THERMA V Operation Guide for Monobloc R 32

THERMA V Operation Guide - for Monobloc R 32 - Focused on Operation Algorithm and Heating Controller -

Table of Contents 1. THERMA V Control System 2. DIP Switch Setting of Indoor Unit 3. Operation Definition 4. Temperature Control Definition 5. Heating Mode Operation and Electric Heater Control 6. Cooling Mode Operation 7. Seasonal Auto Mode Operation 8. Domestic Hot Water Heating and Anti-Legionella Operation 9. 2 nd Circuit Control 10. SG Ready 11. Programmable Digital Input Operation 12. 3 rd Party Boiler Control 13. Screed Drying Operation 14. Self Diagnostic and Flow Detect 15. Emergency Operation 16. Anti-freeze Protection 17. RS 3 Remote Controller 18. Wi. Fi Remote Control 19. Meter Interface Module and Energy Information Monitoring 20. Dry Contact 21. AC Ez Touch Central Controller 22. Easy Commissioning PC Tool Appendix 1. DIP Switch Setting of Split 3 Series Appendix 2 Solar Thermal DHW Heating Operation Appendix 3. 3 rd Party Boiler Interlocking 1 Page 2 3~5 6 7 8~13 14~16 17~20 21~25 26~28 29 30 31 32 33~36 37 38~40 41~59 60 61~62 63~68 69 70~75 77 78 79

1. THERMA V Control System LGAP Communication Thin. Q App Modbus communication Input signal AC Ez Touch Wi. Fi Modem PACEZA 000 PWFMDD 200 Output signal CN_WF Call Name Model Name Connecter Name (IDU) PI 485 PHNFP 14 A 0 PQRSTA 0, PHLTA, PHLLA (Room/Room 2, DHW, Solar) CN_REMO Temperature Sensor RS 3 Wired Remote Controller New Dry Contact CN_CC PDRYCB 000 3 rd Party Thermostat New SG Ready PDRYCB 300 New Meter Interface Digital Input CN_COM PENKTH 000 CN_EXT New N 3 erdw. Party Water Pump 3 rd Party Boiler TB_BOILER (Non-Voltage) TB_EXT_PUMP (Non-Voltage) 2 CN_ROOM, CN_LEAK_ROOM 2 CN_TH 4 CN_THMO 1 (AC 220 V) TB_SG 2 (AC 220 V)

2. Dip Switch Setting of Indoor Unit (1/3) _Monobloc R 32 Switch #1 has 4 pins and is located at the upper-center Dip switch New Description Setting OFF: Slave Type 1 Modbus Communication Type Setting - Slave : Link to 3 rd party controller (i. e Siemens) - Master : Link to LG’s controller (i. e Meter Interface Module) OFF : Exclusive 3 rd Party Controller 2 3 rd Party Controller Type Setting for Modbus communication - Exclusive: Link to Siemens controller - General : Link to the other controller 3 Reserved 4 Reserved Default O ON: Master Type O ON: General 3 rd Party Controller OFF O ON OFF ON 3 O

2. Dip Switch Setting of Indoor Unit (2/3) _Monobloc R 32 Switch #2 has 8 pins and is located at the center Dip switch Description 1 Indoor unit Type Setting for communication with remote controller - Master : Operation basis indoor unit - Slave : Other indoor unit(s) dependent on status of Master unit ※ In case of Therma V, Indoor unit shall be kept as Master 2, 3 System Configuration Setup - Basic : Installed Heat Pump Only - Include DHW : Installed Heat Pump and DHW - Include Solar Thermal System : Installed Heat Pump, DHW and Solar Thermal System New Setting OFF : Master Unit 2 OFF, 3 OFF : Basic 2 ON, 3 OFF : Include Solar Thermal System 2 ON, 3 ON : Reserved (Don’t select) OFF : Heating Only Flow Switch Detection - Always Detect : Detect while water pump is On or Off both - On Status Only Detect : Detect while water pump is On only OFF : Always 5 8 O ON : Heating and Cooling Electric Heater Step Setup - Not use: Electric Heater is not to be used - Step 1 : First step capacity is used - Step 2 : Maximum capacity is used O ON : On Status Only 6 OFF, 7 OFF : Not use C O 2 OFF, 3 ON : Include DHW Operation Mode Setting - Heating Only : Use heat and auto mode only - Heating and Cooling : Use heat, cool and auto mode ge han O ON : Slave Unit (Don’t select) 4 6, 7 Default O 6 OFF, 7 ON : Not used (Don’t select) 6 ON, 7 OFF : Step 1 6 ON, 7 ON : Step 2 OFF : Not installed Set whether 3 rd party thermostat is installed or not - Not installed : 3 rd Party Thermostat is not installed - Installed : 3 rd Party Thermostat is installed ON : Installed 4 O

2. Dip Switch Setting of Indoor Unit (3/3) _Monobloc R 32 Switch #3 has 4 pins and is located in top left Dip switch New Description Setting OFF : Not installed 1 Set whether remote air temperature sensor is installed or not - Not installed : Remote air temperature sensor is not installed - Installed : Remote air temperature sensor is installed OFF : Not used 2 Set whether anti-freeze solution is used or not - Not used : Anti-freeze solution is not used - Used : Anti-freeze solution is used 3 Reserved New Default O ON : Installed O ON : Used OFF O ON OFF 4 Reserved ※ Anti-freeze solution function will be supported only Monobloc R 32 model. ON 5 O

3. Operation Definition Supports heating, cooling and domestic how water heating operation q Simultaneous Operation Heat Pump and Domestic Water Tank H q Only Heat Pump Operation On • Heat Pump cycle : Heating or Cooling • Priority : DHW heating operation • 3 Way Valve Direction : Under-floor and FCU direction [Heating - 3 Way Valve Direction : Domestic Water Tank Direction [Cooling Mode] Heater DHW* tank Therma V - Heat Pump cycle : Heating Under-floor & FCU Heater DHW tank Therma V DHW tank Under-floor & FCU • Priority : Under-floor and FCU operation q Only Domestic Water Tank Heating Enable - Heat Pump cycle : Heating or Cooling • Heat Pump cycle : Heating or Cooling - 3 Way Valve Direction : Under-floor and FCU direction • 3 Way Valve Direction : Domestic Water Tank Direction [Heating Heater Mode] Heater Therma V [Cooling DHW tank Therma V Under-floor & FCU 6 Heater Mode] DHW tank Therma V Under-floor & FCU DHW tank

4. Temperature Control Definition Supports control by water, room air and room air plus water temperature q Control of Water Temperature (Indoor and Outdoor Unit) • Leaving Water temperature Domestic Water tank Heater - Controlled by target and detected leaving water temperature Therma V • Entering Water temperature New ① Domestic Water tank - Controlled by target and detected entering water temperature ② q Control of Room Air Temperature ③ • Controlled by target room air and detected indoor temperature New Under-floor & FCU q Simultaneous Control of Room Air and Water Temperature ① Leaving Water Temperature ② Entering Water Temperature ③ Room Air Temperature • Indoor Unit : Control of Room Air Temperature • Outdoor Unit : Control of Leaving Water OR Entering Water Temperature 7

5 -1. Heating Mode Operation (1/2) Water flow depend on valve control and temperature setting range in heat mode q Temperature Setting Range q Valve Control • 3 Way valve direction : Under-floor and FCU direction • Controlled by Leaving Water Temp. ※ Split 3 series model, 15 ~ ① Target Temp. Range : 15 ~ 65℃ • 2 Way valve status : Open 57℃ (Default : 65℃)e ② Maximum Temp. Range : 35 ~ 65℃ g ③ Minimum Temp. Range q Water Flow Diagram n Cha a) Used E/Heater : 15 ~ 34℃ (Default : 15℃) b) Not Used E/Heater : 20 ~ 34℃ (Default : 20℃) Domestic Water tank Heater • Controlled by Entering Water Temp. ④ Target Temp. Range : 15 ~ 55℃ 3 Way V/V Therma V w ⑤ Maximum Temp. Range : 35 ~ 55℃ (Default : 55℃) Ne Domestic Water tank ⑥ Minimum Temp. Range c) Used E/Heater : 15 ~ 34℃ (Default : 15℃) d) Not Used E/Heater : 20 ~ 34℃ (Default : 20℃) • Controlled by Room Air Temp. ⑦ Target Temp. Range : 16 ~ 30℃ ⑧ Maximum Temp. Range : 24 ~ 30℃ (Default : 30℃) 2 Way V/V (Open) Under-floor ⑨ Minimum Temp. Range : 16 ~ 22℃ (Default : 16℃) ※ Entering Water Temp. function will be supported only Monobloc R FCU 8

5 -1. Heating Mode Operation (2/2) Thermo On/Off status judgment depend on current and target temperature and Water pump operate q Comp Control q Water Pump Control • Controlled By Leaving/Entering Water Temp. • Thermal V Operation status ① Thermo On - Current Temp. <= Target Temp. - 2℃ - Water Pump Operating ② Thermo Off, Operating a) or b) depend on installer setting nge - Current Temp >= Target Temp. + 2℃ a) When select Operation continue, Water Pump Operating Cha - Get Thermo Off permit from Outdoor Unit b) When select Time setting, Water Pump Operating and Stop R • Controlled by Room Air Temp. - Water Pump Operating time : 1 ~ 60 minutes (Default : 2 min ③ Thermo On - Water Pump Stop time : 1 ~ 60 minutes (Default : 1 minutes - Current Temp. <= Target Temp. – 0. 5℃ • Thermal V Stop : Water Pump Stop ④ Thermo Off ※ Detect Flow Switch Error (CH 14) - Current Temp >= Target Temp. + 1. 5℃ - In case of DIP Switch No 5 is Off, Always detects flow error - Get Thermo Off permit from Outdoor Unit - In case of DIP Switch No 5 is On, Current Temp (Air or Targ Water) et Temp When Water Pump is in operating, detects flow error Target Temp + 2℃ ※ Water pump operate for 10 minutes, If Product is not in operation - Function setting : Used / Not used Target Temp. – 2℃ - Not operation time : 20 ~ 180 hours - Water pump operation time : 1 ~ 10 minutes 9 ge n Cha

5 -2. Electric Heater Control (1/4) First step capacity is used (DIP Switch #6, 7 : ON, OFF setting) q Use Only One Heater • Controlled By Leaving/Entering Water Temp. [Controlled By Leaving/Entering Water Temp. ] 1) Electric Heater On, When Satisfied Both ① and ② ① Ambient Temp. <= Base Temp. of E/Heater (Default : -5℃) ② Current Temp. <= Target Temp. + Thermo On(-2℃) – Heater 1 On (1℃) Current Temp. <= Target Temp. – 3℃ 2) Electric Heater Off, When Satisfied ③ or ④ ③ Ambient Temp. >= Base Temp. of E/Heater (Default : -5℃) + Off Temp. (2℃) ④ Current Temp. >= Target Temp. + Thermo On(-2℃) – Heater 1 Off (0℃) Current Temp. >= Target Temp. – 2℃ • Controlled by Room Air Temp. [Controlled by Room Air Temp. ] 1) Electric Heater On, When Satisfied Both ⑤ and ⑥ ⑤ Ambient Temp. <= Base Temp. of E/Heater (Default : -5℃) ⑥ Current Temp. <= Target Temp. + Thermo On(-0. 5℃) + Heater 1 On (-1. 5℃) Current Temp. <= Target Temp. – 2℃ 2) Electric Heater Off, When ⑦ or ⑧ ⑦ Ambient Temp. >= Base Temp. of E/Heater (Default : -5℃) + Off Temp. (2℃) ⑧ Current Temp. >= Target Temp. + Thermo On(-0. 5℃) + Heater 1 Off (-0. 5℃) Current Temp. >= Target Temp. – 1℃ ge n Cha ※ Split: -5℃) 3 series model, -15 ~ ※ Can change Base Temp. of E/Heater in installer setting : -25 ~ 18℃ (Default 10

5 -2. Electric Heater Control (2/4) Judgment actual and alternating operation of electric heater q Electric Heater Actual Operation q Electric Heater Alternating Operation • If The compressor and electric heater have to be turn on at the same • time, If only one heater is operating, the alternating operation is worked. The electric heater will turn on after a delay of 360 seconds. : Change heater after operate 20 hours. ※ This function support, only 1 phase model in input power Heater ON Operation Condition OFF Actual ON Heater Operation OFF Heater ON 360 sec NO Only one heater operates Compress ON or Operation OFF YES Count heater operation time Time NO Accumulated operation time > 20 hours YES Turn off operating heater Turn on next heater 11 Reset Accumulated operation time

5 -2. Electric Heater Control (3/4) Maximum capacity is used (DIP Switch #6, 7 : ON, ON setting) q Use Two Heater • Controlled By Leaving/Entering Water Temp. [Controlled By Leaving/Entering Water Temp. ] 1) One E/Heater On from all Off, When Satisfied Both ① and ② ① Ambient Temp. <= Base Temp. of E/Heater (Default : -5℃) ② Current Temp. <= Target Temp. + Thermo On(-2℃) – Heater 1 On (1℃) Current Temp. <= Target Temp. – 3℃ 2) All E/Heater On from one On, When Satisfied Both ③ and ④ ③ Ambient Temp. <= Base Temp. of E/Heater (Default : -5℃) ④ Current Temp. <= Target Temp. + Thermo On(-2℃) – Heater 2 On (3℃) Current Temp. <= Target Temp. – 5℃ 3) One E/Heater Off from all On, When Satisfied Both ⑤ and ⑥ ⑤ Ambient Temp. <= Base Temp. of E/Heater (Default : -5℃) ⑥ Current Temp. >= Target Temp. + Thermo On(-2℃) – Heater 2 Off (2℃) Current Temp. >= Target Temp. – 4℃ 4) All E/Heater Off from one On, When Satisfied ⑦ or ⑧ ⑦ Ambient Temp. >= Base Temp. of E/Heater (Default : -5℃) + Off Temp. (2℃) ⑧ Current Temp. >= Target Temp. + Thermo On(-2℃) – Heater 1 Off (0℃) Current Temp. >= Target Temp. – 2℃ ※ Can change Base Temp. of E/Heater in installer setting : -25 ~ 18℃ (Default : -5℃) ※ Split 3 series model, -15 ~ 12 18℃

5 -2. Electric Heater Control (4/4) Maximum capacity is used (DIP Switch #6, 7 : ON, ON setting) q Use Two Heater • Controlled by Room Air Temp. [Controlled by Room Air Temp. ] 1) One E/Heater On from all Off, When Satisfied Both ① and ② ① Ambient Temp. <= Base Temp. of E/Heater (Default : -5℃) ② Current Temp. <= Target Temp. + Thermo On(-0. 5℃) – Heater 1 On (1℃) Current Temp. <= Target Temp. – 1. 5℃ 2) All E/Heater On from one On, When Satisfied Both ③ and ④ ③ Ambient Temp. <= Base Temp. of E/Heater (Default : -5℃) ④ Current Temp. <= Target Temp. + Thermo On(-0. 5℃) – Heater 2 On (3℃) Current Temp. <= Target Temp. – 3. 5℃ 3) One E/Heater Off from all On, When Satisfied Both ⑤ and ⑥ ⑤ Ambient Temp. <= Base Temp. of E/Heater (Default : -5℃) ⑥ Current Temp. >= Target Temp. + Thermo On(-0. 5℃) – Heater 2 Off (2℃) Current Temp. >= Target Temp. – 2. 5℃ 4) All E/Heater Off from one On, When Satisfied ⑦ or ⑧ ⑦ Ambient Temp. >= Base Temp. of E/Heater (Default : -5℃) + Off Temp. (2℃) ⑧ Current Temp. >= Target Temp. + Thermo On(-0. 5℃) – Heater 1 Off (0℃) Current Temp. >= Target Temp. – 0. 5℃ ※ Can change Base Temp. of E/Heater in installer setting : -25 ~ 18℃ (Default : -5℃) ※ Split 3 series model, -15 ~ 13 18℃

6. Cooling Mode Operation (1/3) Water flow depend on valve control and temperature setting range in cool mode q Temperature Setting Range q Valve Control • 3 Way valve direction : Under-floor and FCU direction • Controlled by Leaving Water Temp. • 2 Way valve status : Open (Under-floor), Close (FCU is installed) ※ Split 3 series ① Target Temp. Range : 5 ~ 27℃ model, ② Maximum Temp. Range : 22 ~ 27℃ (Default : 24℃) 5 ~ 25℃ ③ Minimum Temp. Range q Water Flow Diagram ng a h C e 20 ~ 25℃ a) Used FCU : 5 ~ 20℃ (Default : 5℃) b) Not Used FCU : 16 ~ 20℃ (Default : 18℃) Domestic Water tank Heater 3 Way V/V • Controlled by Entering Water Temp. 16 ~ 18℃ (Default : ④ Target Temp. Range : 10 ~ 27℃ 16℃) ⑤ Maximum Temp. Range : 22 ~ 27℃ (Default : 24℃) New Domestic Water tank Therma V 5 ~ 18℃ ⑥ Minimum Temp. Range c) Used E/Heater : 10 ~ 20℃ (Default : 10℃) d) Not Used E/Heater : 20℃ (Fixed) • Controlled by Room Air Temp. ※ Split 3 series ⑦ Target Temp. Range : 16 ~ 30℃ ⑧ Maximum Temp. Range : 24 ~ 30℃ (Default : 30℃) 18 ~ 30℃ 2 Way V/V (Close) Under-floor model, ⑨ Minimum Temp. Range : 16 ~ 22℃ (Default : 18℃) 18 ~ 22℃ ※ Entering Water Temp. function will be supported only Monobloc R FCU 14

6. Cooling Mode Operation (2/3) Thermo On/Off status judgment depend on current and target temperature and Water pump operate q Comp Control q Water Pump Control • Controlled By Leaving/Entering Water Temp. • Thermal V Operation status ① Thermo On - Current Temp. >= Target Temp. + 0. 5℃ - Water Pump Operating ② Thermo Off, Operating a) or b) depend on installer setting nge - Current Temp <= Target Temp. – 0. 5℃ a) When select Operation continue, Water Pump Operating Cha - Get Thermo Off permit from Outdoor Unit b) When select Time setting, Water Pump Operating and Stop R • Controlled by Room Air Temp. - Water Pump Operating time : 1 ~ 60 minutes (Default : 2 min ③ Thermo On - Water Pump Stop time : 1 ~ 60 minutes (Default : 1 minutes - Current Temp. >= Target Temp. + 0. 5℃ • Thermal V Stop : Water Pump Stop ④ Thermo Off ※ Detect Flow Switch Error (CH 14) - Current Temp <= Target Temp. - 0. 5℃ - In case of DIP Switch No 5 is Off, Always detects flow error - Get Thermo Off permit from Outdoor Unit - In case of DIP Switch No 5 is On, Current Temp (Air or Targ Water) et Temp When Water Pump is in operating, detects flow error Target Temp + 0. 5℃ Target Temp. – 0. 5℃ 15

6. Cooling Mode Operation (3/3) Thermo On/Off status judgment depend on current and floor water cut off temperature for prevent dew from cooling opera q Water Supply Cut Off Control (Under-floor Direction) • Under-floor Direction (2 Way Valve) Current Temp (Water) ① Comp Off Control by Leaving Water Temp - Current Temp. <= Cut Off Temp. of Water Supply (Default : 18℃) Target Temp ② Water Pump Control - When Comp Off, Operating a) or b) depend on installer setting Cut Off a) When select Operation continue, Water Pump Operating Temp. b) When select Time setting, Water Pump Operating and Stop Repeatedly - Water Pump Operating time : 1 ~ 60 minutes (Default : 2 minutes) - Water Pump Stop time : 1 ~ 60 minutes (Default : 1 minutes) • FCU Direction (2 Way Valve) - Cut Off control function does not work. ※ Setting Cut Off Temp. of Water Supply in installer setting ng a h : 16 ~ 25℃ (Default : 18℃) C e 16 18℃

7. Seasonal Auto Mode Operation (1/4) Set temperature range of ambient and upper/lower temperature in seasonal auto mode e ng a h C q Temperature Setting Range Settin g Description Split 3 Range Split 3 Defau lt Mono R 32 Range Mono R 32 Default Boundary A 1 Lowest ambient temp Fix -15°C Fix -25°C A 2 Heating lower ambient temp -15~24 °C -10°C -25~35 °C -10°C A 2 >= A 1, A 2 <= A 3 – 1 A 3 Heating higher ambient temp -15~24 °C 16°C -25~35 °C 16°C A 3 >= A 2 + 1, A 3 <= A 4 – 5 A 4 Cooling lower ambient temp 10~43°C 30°C 10~46°C 30°C A 4 >= A 3 + 5, A 4 <= A 5 – 1 A 5 Cooling higher ambient temp 10~43°C 40°C 10~46°C 40°C A 5 >= A 4 + 1, A 5 <= A 6 Highest ambient temp Fix 43°C Fix 46°C LW 1 (No 14) Heating higher water temp 15~57°C 15~65°C LW 2 Heating higher water temp 15~57°C 35°C 15~65°C 35°C W 2 <= W 1, W 2 >= W 3 LW 3 Heating lower water temp 15~57°C 28°C 15~65°C 28°C W 3 <= W 1, W 3 <= W 2 LW 4 Cooling higher water temp 5~25°C 20°C 5~27°C 20°C W 4 >= W 5, W 4 >= W 6 LW 5 Cooling lower water temp 5~25°C 16°C 5~27°C 18°C W 5 <= W 4, W 5 >= W 6 LW 6 (No 12) Cooling lower water temp 5~25°C 16°C 5~27°C 18°C RA 1 Heating higher Air temp 16~30°C RA 2 Heating higher Air temp 16~30°C RA 3 Heating lower Air temp 16~30°C 26°C Target Temp. LWDHW LW 1 LW 2 LW 3 LW 4 LW 5 LW 6 A 1 A 2 RA 2 <= RA 1, RA 2 >= RA 3 <= RA 1, RA 3 <= 17 A 4 A 3 A 5 A 6 Outdoor Temp. ※ Dead Band : 5°C (Between A 3 Settin g and A 4) Description Mono R 32 Range Mono R 32 Default EW 1 Heating higher water temp 15~55°C EW 2 Heating higher water temp 15~55°C 35°C EW 3 Heating lower water temp 15~55°C 28°C EW 4 Cooling higher water temp 10~27°C 20°C Cooling lower water New

7. Seasonal Auto Mode Operation (2/4) Automatically operation mode judgment depend on ambient and upper/lower temperature of heat and cool mode q Operating Mode Auto Change Target Temp. • Current Heating Mode (Check for 30 seconds) ① Change Cooling Mode LWDHW - Ambient Temp. > Cooling Min(A 4) + 2℃ ② Change Off Mode - Ambient Temp. > Heating Max(A 3) + 2℃ • Current Cooling Mode (Check for 30 seconds) ③ Change Heating Mode - Ambient Temp. < Heating Max(A 3) - 2℃ ④ Change Off Mode Water 1 Heat Water 2 Water Heat 3 Cool Water 4 Cool LW 1 LW 2 LW 3 LW 4 LW 5 LW 6 - Ambient Temp. < Cooling Min(A 4) - 2℃ A 1 • Current Off Mode (Check for 30 seconds) ⑤ Change Heating Mode A 2 Outdo or 1 Heat A 3 Outdo or 2 Heat A 4 Outdo or 3 Cool A 5 Outdo or 4 Cool A 6 Outdoor Temp. - Ambient Temp. < Heating Max(A 3) - 2℃ ⑥ Change Cooling Mode - Ambient Temp. > Cooling Min(A 4) + 2℃ [Heating Only Mode] 18 [Cooling Only Mode]

7. Seasonal Auto Mode Operation (3/4) Automatically target temperature judgment depend on ambient and upper/lower temperature of heat and cool mode q Target Temperature Calculate By Leaving/Entering Water Temp. q Target Temperature Calculate By Room Air Temp. • In Heating Mode ① Slope(α) : (W 3 – W 2) / (A 3 – A 2) ① Slope(α) : (RA 3 – RA 2) / (A 3 – A 2) ② Y Value (β) : W 3 – (α * A 3) ② Y Value(β) : RA 3 – (α * A 3) ③ Calculated Target Temp. : (α * Ambient Temp. ) + β • In Cooling Mode ④ Slope (α) : (W 5 – W 4) / (A 5 – A 4) ④ Slope(α) : (RA 5 – RA 4) / (A 5 – A 4) ⑤ Y Value(β) : W 5 – (α * A 5) ⑤ Y Value(β) : RA 5 – (α * A 5) ⑥ Calculated Target Temp. : (α * Ambient Temp. ) + β Target Temp. WDHW W 1 W 2 WDHW RA 1 RA 2 W 3 W 4 RA 3 RA 4 W 5 W 6 RA 5 RA 6 A 1 A 2 A 3 A 4 A 5 A 6 Outdoor Temp. A 1 A 2 19 A 3 A 4 A 5 A 6 Outdoor Temp.

7. Seasonal Auto Mode Operation (4/4) Adjust calculated target temperature from -5 to 5℃ q Seasonal Auto Curve Shift • Select setting target temperature Target Temperature Heating W 2 +1~+5℃ • Adjust Seasonal Auto Curve Cooling -1~-5℃ W 3 W 4 +1~+5℃ -1~-5℃ W 5 Outdoor Temperature A 2 A 3 A 4 A 5 ng a h C ※ Seasonal Auto Curve Shift in Schedule e - Can select seasonal auto mode and adjust curve in schedule setting 20

8 -1. Domestic Hot Water Heating Operation (1/4) Maintains DHW tank at target temperature by controlling heat pump and heater depend on target and current temperature q DHW Heating Operation • DHW Heating Operation start condition, When DHW Tank Temp. <= Cycle Cut Off Temp. (55℃) – Min Temp. (5℃) • Heat Pump stop condition, When DHW Tank Temp. >= Cycle Cut Off Temp. (55℃) ※ DHW Target Temp. is lower than Cycle Cut Off Temp. , DHW Target Temp. instead of Cycle Cut Off Temp. to operate • Boost Heater stop condition, When DHW Tank Temp. >= DHW Target Temp. + Hysteresis Temp. (3℃) • DHW Heating Restart condition, Depend on setting Heat Pump First or Boost Heater First e - Heat Pump First : Same as Heat Pump Operation start condition ang Ch Boost Heater First : If DHW Tank Temp. <= DHW Target Temp, Boost heater only operate after delay time DHW Tank Temp. Hysteresis Temp. DHW Target Temp. Cycle Cut Off Temp. 3℃ e In Case Heater ng a h C First 55℃ 5℃ Min Temp. A are a B area C area D area 21 In Case Heat Pump First Tim e

8 -1. Domestic Hot Water Heating Operation (2/4) q Condition DHW Heating Operation start • Only operate DHW Heating - 3 Way Valve : Domestic How Water Tank direction - Heat Pump : Heating Mode - Electric Heater : Depend on electric heater operate condition If heater priority is boost heater only, electric heater will not be operate - Boost Heater : Operate after delay time Heater • Operate Heat Pump and DHW Heating both at the same time DHW tank Therma V ① Priority : DHW Heating - Same as only operate DHW Heating Under-floor & FCU ② Priority : Under-floor and FCU operation - 3 Way Valve : Under-floor and FCU direction Heater - Heat Pump : Heating or Cooling Mode - Electric Heater : Depend on electric heater operate condition Therma V Heater DHW tank Therma V If heater priority is boost heater only, electric heater will not be operate Under-floor & FCU - Boost Heater : Operate after delay time 22 Under-floor & FCU DHW tank

8 -1. Domestic Hot Water Heating Operation (3/4) q Condition Heat Pump stop • Only operate DHW Heating - 3 Way Valve : Under-floor and FCU operation - Heat Pump : Heating or Cooling Mode - Electric Heater : Depend on electric heater operate condition If heater priority is boost heater only, electric heater will not be operate - Boost Heater : Operate after delay time Heater • Operate Heat Pump and DHW Heating both at the same time DHW tank Therma V - Same as only operate DHW Heating Heater Under-floor & FCU DHW tank Therma V Under-floor & FCU q Condition Boost Heater stop • Only operate DHW Heating Heater - 3 Way Valve : Under-floor and FCU operation Therma V - Heat Pump : Heating or Cooling Mode DHW tank Therma V - Electric Heater : Depend on electric heater operate condition If heater priority is boost heater only, electric heater will not be operate Under-floor & FCU - Boost Heater : Stop • Operate Heat Pump and DHW Heating both at the same time - Same as only operate DHW Heating 23 Under-floor & FCU DHW tank

8 -1. Domestic Hot Water Heating Operation (4/4) q Condition DHW Heating Restart • Electric Heater First Setting - 3 Way Valve : Domestic How Water Tank direction - Heat Pump : Heating or Cooling Mode - Electric Heater : Depend on electric heater operate condition If heater priority is boost heater only, electric heater will not be operate - Boost Heater : Operate after delay time from stop ge • Heat Pump First Setting n Cha - Same as DHW Heating Operation start ※ DHW Heating Timer - Active Time : Maximum time of maintaining DHW operation of heat pump, 3 Way valve direction is changed to under-floor when active - Stop Time : Minimum time of maintaining under-floor heating operation of heat pump, 3 Way valve direction can change to DHW after 3 Way Valve Change to Under-floor direction 3 Way Valve Change to DHW Tank direction Domestic Water Heating Enable Heat Pump for DHW Heating ※ Quick DHW Heating ON OFF “Active time” “Stop time” - If DHW Tank Temp. < DHW Target Temp. + Hysteresis Temp. (3℃), DHW Heating operate immediately (Ignore DHW Heating Timer ※ Active Time : 5 ~ 95 (Step 5), Default Value (30 Minute) Stop Time : 0 ~ 600 (Step 30), Default Value (30 Minutes) 24

8 -2. Anti-Legionella Operation q DHW Tank Anti-Legionella Operation Setting Mode Description Setting Range Disinfection Active Enable / Disable Use / Not Use Start Day of the week Sunday ~ Saturday Start Time - 00 ~ 23 Target Temp. Target temperature for disinfection operation 60 ~ 80℃ Duration Time Duration time after reaching target temperature 5 ~ 60 Minutes nge a h C Operation Not Used Friday 23 70℃ 10 Minutes q DHW Heating Operation • DHW Heating Operation start condition, When Get disinfection command from RS 3 wired remote controller • Heat Pump stop condition, When DHW Tank Temp. >= Cycle Cut Off Temp. (55℃) • Boost Heater stop condition, After The duration time has elapsed with DHW Tank Temp. >= Target Temp. + Hysteresis Temp. (3℃) ※ If DHW tank temperature is not reached disinfection target temperature while operation maintain setting time(1 hour), Disinfection opera e (Operation maintain time : 1 ~ 12 hours, Default 1 hhour) ang C DHW Tank Temp. Hysteresis Temp. Duration Time (10 Minutes) 3℃ Target Temp. Cycle Cut Off Temp. New 55℃ Tim e ※ Boost Heater Setting : Not used / Used for disinfection only, Used 25

New 9. 2 nd Circuit Control (1/3) Individual temperature setting for 2 Zone (Day/Night Zone) and Mix water temperature via 3 Way valve control q 2 Zone Define q Individual Target Temperature Setting • Main Zone (Mixed Zone) - Day • Heat Mode ① Heating Mode : Low Temperature ① Target temperature of Main Zone can not be set higher than Add ② Cooling Mode : High Temperature ② Target temperature of Add Zone can not be set lower than Main • Add Zone - Night • Cool Mode ③ Heating Mode : High Temperature ① Target temperature of Main Zone can not be set lower than Add ④ Cooling Mode : Low Temperature ② Target temperature of Add Zone can not be set higher than Main 26

New 9. 2 nd Circuit Control (2/3) q Heat Mode Operation Status No Operation On/Off 1 2 On 3 Operation Thermo On/Off Main Zone Add Zone On On Heat Pump Target Temp. Mix Valve On Add Zone Full Close On Off On Main Zone Full Close Off On On Add Zone Open - Full Close 4 Off Off q Mixed Control (Mixed Water Pump and 3 Way Valve) 5 • 3 Way Valve Off Off - Th On Full • Water. Close Pump ① When Thermo On, ① When thermo on, Water pump on immediately - Wait A seconds for valve control, After Water Pump On (Delay time for leaving water temp. detect) Th off ② When thermo off, Water pump off after 3 Way valve full close ※ Open/Close Time(Installer Setting) : 1 ~ 6 Minute (Default : 4 Minutes) - Control valve angle to startup angle and Maintain for B seconds Hysteresis Temperature : 1 ~ 5℃ (Default : 2℃) B= Open/Close Time(Installer Setting) / C * 60 - Control valve angle depend on target and current temperature Valve open output = Open/Close Time(Installer Setting) / E * 60 ※ Control repeat after D second ② When Thermo Off, Valve close output until full close 27

New 9. 2 nd Circuit Control (3/3) q Cool Mode Operation Status No Operation On/Off Operation Thermo On/Off Heat Pump Target Temp. Mix Valve On On Add Zone Full Close On Off On Main Zone Full Close Off On On Add Zone Open - Full Close Main Zone Add Zone 1 On 2 On 3 4 Off Off q Mixed Control (Mixed Water Pump and 3 Way Valve) 5 • 3 Way Valve Off Off - Full • Water. Close Pump ① When Thermo On, ① When thermo on, Water pump on immediately - Wait A seconds for valve control, After Water Pump On (Delay time for leaving water temp. detect) ② When thermo off, Water pump off after 3 Way valve full close ※ Open/Close Time(Installer Setting) : 1 ~ 6 Minute (Default : 4 Minutes) - Control valve angle to startup angle and Maintain for B seconds Hysteresis Temperature : 1 ~ 5℃ (Default : 2℃) B= Open/Close Time(Installer Setting) / C * 60 - Control valve angle depend on target and current temperature Valve open output = Open/Close Time(Installer Setting) / E * 60 ※ Control repeat after D second ② When Thermo Off, Valve close output until full close 28

10. SG Ready Automatically operation stop and target temperature control depending on input signal from power provider q Heating and DHW Operation depend on input signal Displa y Command Cost (Electri c) Input Signal Operation SG 1 SG 2 Heating SGN Ope n Normal Operation Normal Price SG 1 Clos e Ope n Operation Off (Utility lock) High Price Target temperature change automatically depend on SG Mode value in install setting - Step 0 : increase 5℃ from target temperature - Step 1 : increase 5℃ from target temperature -[Status Step 2 display] : increase 7℃ from target temperature Target temperature change automatically to 80℃ Maintain operation status Operation status change automatically to stop SG 2 Ope n Clos e Target temperature change automatically depend on SG Mode value in installer Operation setting On Low - Step 0 : maintain target temperature Recomme Price - Step 1 : increase 2℃ from target nd temperature [Setting in installer - Step 2 : increase 5℃ from target temperature mode] SG 3 Clos e Operation On Commend Very Low Price Domestic How Water Maintain operation status 29

New 11. Programmable Digital Input Operation Automatically operation control depending on external input signal with preset mode q Operation On/Off control depend on input signal and setting mode Preset Mode Input Signal Default - Simple Operation Simple Dry Contact Operation Forced Stop Operation Not Used Open Operation Off Close Operation On Operation Off with dry contact lock setting Close Release dry contact lock and operation on depend on dry contact auto setting - Auto Mode : Operation on automatically - Manual Mode : Can operation on manually Open Forced operation stop with forced lock setting ※ Every controller can not control operation on Close Release forced lock 30

New 12. 3 rd Party Boiler Control Automatically operation control of 3 rd party boiler depending on ambient temperature q 3 rd Party Boiler Control Setting Operation Mode Setting Operation Manual Auto Stop Base Ambient Temp. -25 ~ 25℃ (Default : -7℃) Hysteresis Temp. 2 ~ 10℃ (Default : 4℃) q 3 rd Party Boiler Control Ambient Temp. (℃) • Switch to operation 3 rd Party Boiler ① Change 3 Way Valve direction to DHW tank ② Heat Pump Thermo Off control Only Heat Pump Operation If DHW heating is needed, Keep Heat Pump Thermo On Hysteresis 4℃ -7℃ ③ After 45 seconds delay, Send operation on signal to the 3 rd Party Boil • Switch to operation Heat Pump ④ Send operation off signal to the 3 rd Party Boiler Only 3 rd Party Boiler Operation ⑤ Change 3 Way Valve direction to under-floor If DHW heating is needed, Control depend on priority setting ⑥ After 45 seconds delay, Heat Pump Thermo On/Off control depend on 31

ge 13. Screed Drying Operation n Cha Under-floor heating with target leaving water temperature and duration q Screed drying operation per step Ste p Target Leaving Water Temp. 1 25℃ 72 hours 2 Max Target LWT 96 hours 3 - (Operation Off) Until LWT <= 25℃, Maximum 72 hours 4 25℃ Until LWT >= Target LWT, Minimum 24 hours 5 35℃ Until LWT >= Target LWT, Minimum 24 hours 6 45℃ OR Max Target LWT (If Max Target LWT < 45℃) Duration Until LWT >= Target LWT, Minimum 24 hours 7 55℃ OR Max Target LWT (If Max Target LWT < 55℃) 8 55℃ OR Max Target LWT (If Max Target LWT < 55℃) Holding Time 45℃ OR Max Target LWT Until LWT <= Target LWT, Until LWT >= Target LWT, Minimum 24 hours 32 q 설정 정보 Setting Range Default Operation On/Off Start Step 1 ~ 11 Step Max Target Leaving Water Temp. 35 ~ 55℃ Base Target Leaving Water Temp. Fixed 25℃ Holding Time (Duration of Step 8) 1 ~ 30 Day 7 Day

14 -1. Self Diagnostic (1/3) Diagnoses and displays own issues in easy-to understand terms such as Error, Heavy Trouble, Slight Trouble q Define Error Level • Error : A serious fail was found and system can not be used before fix it. Ø C o m m u n i c a t i o n Ø Ø Ø f a i l O p e r a t i o n F l o w d e t e c t P i p w i t h n g w i r e d w i t h f a i l i w i t h o E E P R O M w i t h f l o w v r e m o t e e o f i n d o o r W a t e r s w i t c h r c o n t r o l l e r ( C H - 0 3 ) h e o f a t u n i t P u m p i n d o o r i n g ( ( C H - 0 9 ) ( C H - 1 0 ) u n i t ( C H - 1 4 ) C - H 1 5 ) Simultaneous error of CH-17, CH-18, CH-19 temperature sensor (CH-16) E l e c t r i c H e a t e r o v e r h e a t i n g ( C H - 2 0 ) • Heavy Trouble : A trouble is occurred with cycle and system can not be operated (Only Emergency operation is possible with heater) Ø Sensing fail with inlet temperature sensor of refrigerant piping (CH-02), Sensing fail with outlet temperature sensor of refrigerant p Ø Communication fail with outdoor unit (CH-05)e Ø Fail with outdoor unit (CH 21 ~) ng Cha • Slight Trouble : A trouble is occurred with temperature sensor of indoor unit (Emergency operation with an alternative sensor is possible) Ø Sensing fail with temperature sensor of room air (CH-01) Ø Sensing fail with temperature sensor of entering water (CH-17), Sensing fail with temperature sensor of leaving water (CH-18) Ø Sensing fail with temperature sensor of heater leaving water (CH-19) • Other Trouble : A trouble is occurred with optional function (Normal operation by disabling option function) Ø Sensing fail with temperature sensor of DHW tank (CH-08) Ø Sensing fail with temperature sensor of Solar thermal (CH-13) 33

14 -1. Self Diagnostic (2/3) q Simple Description No Name CH-01 Room air temperature sensor Lower than -43℃ or higher than 96℃ High then -42℃ or lower than 95℃ CH-02 Refrigerant piping inlet temperature sensor Lower than -43℃ or higher than 110℃ High then -42℃ or lower than 109℃ Cha CH-03 Wired remote controller communication Communication fail for more than 3 minutes Successful communication CH-05 Outdoor unit communication Communication fail for more than 3 minutes CH-06 Refrigerant piping outlet temperature sensor Lower than -43℃ or higher than 110℃ High then -42℃ or lower than 109℃ STrouble CH-08 DHW tank temperature sensor Lower than -43℃ or higher than 96℃ High then -42℃ or lower than 95℃ OTrouble CH-09 EEPROM communication Reading fail for more then 20 seconds Power Reset Error CH-10 Water Pump Lock Operation fail for more then 30 seconds Power Reset Error Lower than -43℃ or higher than 96℃ High then -42℃ or lower than 95℃ CH-13 Solar thermal temperature Judgment criteria Release Condition Level STrouble nge Error ge Successful communication n Cha ge 34 STrouble n Cha HTrouble OTrouble

14 -1. Self Diagnostic (3/3) q Simple Description No Name Judgment criteria Release Condition Level CH-14 Flow detect With Flow Switch - Water Pump On : After 45 second delay time, detect for more than 15 seconds (Open status) - Water Pump ge Off : : After 45 second delay n a time, Ch detect for more than 15 seconds (Short status) Within 24 hours after flow detect error is occurred, 1) Water Pump On 2 minute every hour 2) Flow detect for more than 15 seconds, - Water Pump On : Open status detect for 15 seconds - Water Pump Off : Short status detect for 15 seconds 3) If OK, operate with previous operation status Error CH-15 Water piping overheat Higher than 67℃ and lower than 96℃ for more than 5 seconds Lower than 62℃ Error CH-16 Temperature sensors trouble simultaneously entering/leaving and E/Heater temperature sensors trouble simultaneously If any of sensors is fine Error CH-17 Inlet temperature sensor Lower than -43℃ or higher than 96℃ High then -42℃ or lower than 95℃ STrouble CH-18 Outlet temperature sensor Lower than -43℃ or higher than 96℃ High then -42℃ or lower than 95℃ STrouble CH-19 E/Heater Outlet temperature sensor Lower than -43℃ or higher than 96℃ High then -42℃ or lower than 95℃ STrouble CH-20 E/Heater Overheat Open is detect 35 Power Reset Error

14 -2. Flow Detect Flow switch detects water flow and displays error in below situation 1) When water pump is turned on : displays error when flow switch doesn’t detect water flow 2) When water pump is turned off : displays error when flow switch detects water flow Product setting Product checks flow switch error in different way according to whethere is external water pump or not (Dip switch #5 setting) Dip switch 5 Description Setting Flow detect operation setting - Always Detect : Detect while water pump is On or Off both - On Status Only Detect : Detect while water pump is On only Default OFF : Always Detect O ON : On Status Only Detect Algorithm No Operation start Flow switch error check condition Dip switch #5 Water pump ON Water pump OFF Check ON Check No check 1) 1) When external water pump is installed, Select Dip switch #5 On for No check Check OK NO Water pump is turned on YES YES Water flow is detected NO Flow switch error (CH 14) 36 Check NG Dip S/W #5 OFF NO

ge 15 Emergency Operation n Cha When trouble is occurred, system will be stopped and emergency operation is supported depend on trouble level q Heavy-Trouble q Slight-Trouble • Emergency operation by Electric Heater • Emergency operation by Heat Pump and Electric Heater • When User select emergency operation, heating operation start • When user select emergency operation, operate with previous mode • Can select operation On/Off • Can not select operation mode • Can change target temperature • Can monitoring current temperature • Can emergency operation via dry contact [First Step : Notify H-Trouble] [First Step : Notify S-Trouble] 37 [Second Step : Emergency Operation]

16 -1. Anti-freeze Protection Preventing freezing by detecting leaving water temperature q Anti-freeze Protection Operation q Electric Heater Control • Operation start condition, When Satisfied ① or ② or ③ • If When Satisfied ① or ② in Cooling Mode, Electric Heater On Cont ① Leaving Water Temp. <= 4℃ ① Ambient Temp. <= 4℃ ② Entering Water Temp. <= 4℃ ② CH 05 H-Trouble is occurred (Communication problem with outd • If It is not Cooling Mode, Electric Heater On Control ③ Heater Leaving Water Temp. <= 4℃ • Operation stop condition, When Satisfied ④ or ⑤ or ⑥ ④ Leaving Water Temp. >= 4℃ + Release Temp(3℃) ※ Heater On Control ⑤ Entering Water Temp. >= 4℃ + Release Temp(3℃) • If Electric Heater A and B both Off and Can use only one heater by ⑥ Heater Leaving Water Temp. >= 4℃ + Release Temp(3℃) Only Electric Heater A On • If Electric Heater A and B both Off and Can use two heater by settin q Comp Control Electric Heater A On, and then after 5 seconds Electric Heater B O ※ In case of 3 phase model, Only Electric Heater B On • When start this function, Thermo Off q Water Pump Control • When start this function, Water Pump On q DHW Heating • When start this function, DHW Heating Off 38

16 -2. Anti-freeze Protection in Defrost Operation Preventing freezing by detecting leaving water temperature in defrost operation q Anti-freeze Protection Operation q Electric Heater Control • Operation start condition, When Satisfied Both ① and ② • If Electric Heater A and B both Off and Can use only one heater by ① Receive defrost start command from outdoor unit Only Electric Heater A On ② Leaving Water Temp. <= 4℃ OR Heater Leaving Water Temp. <= 4℃ • If Electric Heater A and B both Off and Can use two heater by settin • Operation stop condition, When Satisfied Both ③ and ④ Electric Heater A On, and then after 5 seconds Electric Heater B O ③ Receive defrost stop command from outdoor unit ※ In case of 3 phase model, Only Electric Heater B On ④ Entering Water Temp. >= 15℃ OR Leaving Water Temp. >= 5℃ q Comp Control q Boost Heater Control • Thermo Off during 10 seconds • When DHW Heating is operating • Delay 3 minute for restart - If Can use Electric and Boost Heater both, Boost Heater On • Operation depend on judgment Thermo On/Off condition - If Can use Boost Heater Only, Boost Heater Off for use Electric Heater q Water Pump Control • When start this function, Water Pump On 39

New 16 -3. Anti-freeze Protection in Heating Mode Preventing freezing by detecting entering water temperature q Anti-freeze Protection Operation q Electric Heater Control • Operation start condition, When Satisfied All ①, ②, ③, ④, and ⑤ ① Operation On • If Electric Heater A and B both Off and Can use only one heater by Only Electric Heater A On ② Heating Mode or Auto Mode with Heating • If Electric Heater A and B both Off and Can use two heater by settin ③ Heat Pump cycle is Heating Electric Heater A On, and then after 5 seconds Electric Heater B O ④ Entering Water Temp. <= 15℃ ※ In case of 3 phase model, Only Electric Heater B On ⑤ Receive defrost start command from outdoor unit • Operation stop condition, When Satisfied ⑥ or ⑦ or ⑧ ⑥ Cooling Mode or Auto Mode with Cooling ⑦ Heat Pump cycle is Cooling q Boost Heater Control ⑧ Entering Water Temp. <= 15℃ + Release Temp. (3℃) • When DHW Heating is operating with can not use Electric Heater, Boost Heater On immediately q Comp Control • When start this function, Thermo Off q Water Pump Control • When start this function, Water Pump On 40

17 -1. RS 3 Remote Controller _Specification AWHP RS 3 wired remote controller equipped with 4. 3” color display and 7 buttons q Feature • Model name : PREMTH 100 • Dimension : 120 X 16 mm • Screen : 4. 3 inch color display • Sensor : Temperature • Language : English, French, Italian, German, Spanish, Greek, Polish, Netherlands, Rumanian, Cz • Button : Touch • Digital output(on/off) : 1 EA q Installation Method q Extension cable • 12 V : Red color • Model name : PZCWRC 1 (Option) • Signal : Yellow color • Length : 9. 6 m • GND : Black color • Cable : 2 EA ※ RS 3 displays room air temperature and It has ※ The total cable length must not temperature sensor exceed 50 m. - Can select temperature sensor location : RS 3 / (It can cause communication error. ) Indoor unit 41

17 -2. RS 3 Remote Controller _Button Definition Display can be moved or configured with Power, Back, Direction and Confirm buttons No 1 2 Button Image Button Name Power Back Functionality Function on home screen • Operation ON/OFF • When ON, LED(White) Display • Push the button on home screen to access screen with monitoring information Function on menu screen • Operation ON/OFF • When ON, LED(White) Display Push and Hold 3 Up 4 Down 5 Left 6 Right • Push the button on menu screen, to go home screen • Push the button on N depth menu screen, to go back previous depth screen • To access home screen • Push the button on default screen to access temperature setup mode • Push the button while setting up a function to change corresponding value • Move focus upwards/downwards on list • Change value on setup screen • Push the button to access left/right menu • Move focus left/right on list • Push the button for close popup on list • Push the button on default screen 42

17 -3. RS 3 Remote Controller _Operation and Temperature Setting q Operation On/Off • Select operation or stop with power button • Not available when Locked, Error and linked Thermostat q Operation Mode • Select operation mode with Heat, Auto Cool • If Heating Only is selected, Can not select Cool mode • In Operation on status, Can mode change • Not available when Locked q Target Temperature • Setting target temperature of Heat and Cool mode ① Controlled by Leaving Water Temp. : Heating 15 ~ 65℃, Cooling 5 ~ 27℃ ② Controlled by Entering Water Temp. : Heating 15 ~ 55℃, Cooling 10 ~ 27℃ ③ Controlled by Room Air Temp. : Heating 16 ~ 30℃, Cooling 16 ~ 30℃ ※ Target temperature can be set up within the set range by installer setting • Auto Mode : -5 ~ 5℃ 43

17 -4. RS 3 Remote Controller _Domestic Hot Water Heating q DHW Heating Enable/Disable • Select enable or disable by power button ※ Available only when DHW tank is installed and focus is set on DHW • Available when operation off status • Available emergency operation, When S/H-Trouble is occurred • Not available when Locked q DHW Heating Target Temperature • Controlled by Leaving Water Temp. : 30 ~ 80℃ • Target temperature can be set When DHW is enable q Quick DHW Tank Heating On/Off • DHW heating by heat pump and boost heater without delay time ※ Available When DHW tank and heater are installed and DHW Heating enable status • Push and hold Back button for 3 seconds with focus target temperature for DHW heating • Not available when Locked q Silent Mode On/Off • Select silent operation or stop • Available when DHW heating is active alone • Not available when Locked and Emergency operation 44

17 -5. RS 3 Remote Controller _Home Monitoring q Information Display Temperature monitoring area • Display temperature and operation status by Back button - Temperature monitoring area ① Room Air temperature ② Inlet water temperature (Entering) ③ Outlet water temperature (Leaving) ④ Domestic how water tank temperature ⑤ Solar thermal temperature - Operation information area ① During freeze prevention operation ② DHW heating, DHW heater operation ③ During sterilization operation ④ Low noise driving ⑤ SG Ready : Smart Grid Status (SGN, SG 1, SG 2, SG 3) ⑥ Thermostat interlocking ⑦ Screed drying with remain date ⑧ Operation of the heater 1, Operation of the heater 2 ⑨ Water pump in operation ⑩ Solar pump in operation ⑪ During operation of outdoor unit 45 Operation information area

17 -6. RS 3 Remote Controller _User Setting (1/2) _Function q Low Noise Mode Time • Low noise operation setting : Off / On - If On : Start Hour : Start Minute - End Hour : End Minute setting • Low noise operation is working while product is in operation status - If current time is On time for low noise, Low noise operation On - If current time is Off time for low noise, Low noise operation Off • If Use set Low noise operation Off manually, Status will be maintained with Off ※ Time will be displayed on 24 hour basis instead of AM/PM 12 hour q Wi-Fi Pairing • Wi. Fi AP mode setup : Apply - Do you want to apply? Cancel / OK select 46

17 -6. RS 3 Remote Controller _User Setting (2/2) _Function q 3 rd party boiler on/off • 3 rd party boiler operation setting : Off / On - Available If 3 rd party boiler mode is selected with manual in install setting q Water control basis air • When Control by room air temperature, Set water target temperature of heat pump cycle - Available If control is select with air + water in install setting • Setting Value : ① Cool Mode : Auto / Manual - Auto : Calculate target temperature with seasonal auto setting - Manual : Set water target temperature ② Heat Mode : Auto / Manual - Auto : Calculate target temperature with seasonal auto setting - Manual : Set water target temperature 47

17 -7. RS 3 Remote Controller _User Setting (1/2) _User q Language • Setting up language displayed on RS 3 wired remote controller • Available language - English / French / Italian / German / Spanish / Greek / Polish / Netherlands / Rumanian / Czech q Temperature Unit • Temperature Type setting : Celsius / Fahrenheit • Celsius can be adjusted by one degree and Fahrenheit by 2 degrees q Screen saver timer • Setting up time about screen saver : 30 Second / 1 Minute / 15 Second q LCD Brightness In Idle • Setting up brightness in idle mode : 10% / 20% / 30% / 0% Duty • 100% is applied when wired remote controller is first powered and pressing any button q Date • Setting up current date : Year / Month / Day q Time • Setting up current time : Hour : Minute 48

17 -7. RS 3 Remote Controller _User Setting (2/2) _User q Summer Time • Application of Summer Time : Off / ON - If On is selected : User setting Start Month / Day - End Month / Day ※ Time will be advanced 1 hour from actual time If On is selected q Password • Password Setting - Setting up whether to use password when entering setup menu : Off / On (with Enter Password) ※ Initial password : 0000 • Password Change - For changing password when entering setup menu : Enter the current/new password q Schedule Initialization • Resetting schedule : Initialization - Are you sure you want to initialize? Cancel / OK select q Theme • Selecting background : White / Black q System Reboot • For restarting RS 3 wired remote controller : Reboot - Are you sure you want to reboot? Cancel / OK select 49

17 -8. RS 3 Remote Controller _User Setting _Service q Service Contact • For checking or entering contact information of customer service staff - Default : Telephone +1544 -7777 - Edit : 15 digit of number can be entered or edited (+XXXXXXX) q Model Information • For checking product information with indoor/outdoor units including capacity - Indoor Unit : AWHP - Outdoor Unit : Single - Capacity : 16 k. W (55 k. Btu/h) q RMC Version Information • SW Version : 3. 0 a ※ Used as password for installer setup : 3030 q Open Source License • LGE Open Source Software Notice - Product Type : HVAC WIRED REMOTE CONTROLLER - Model Number / Range : RS 3 Wired Remote Controller 50

17 -9. RS 3 Remote Controller _Schedule Setting (1/2) q Schedule & Edit • Available setting up individual schedule about Room, DHW and DHW heater • If any schedule is set-up Check registered schedule and edit or delete : Save / Delete • If a new schedule is to be added ① Period - Start Year : Month : Day ~ End Year : Month : Day ② Day - Customize : Mon. / Tue. / Wed. / Thu. / Fri. / Sat. / Sun. - Everyday : Mon. / Tue. / Wed. / Thu. / Fri. / Sat. / Sun. - Weekday : Mon. / Tue. / Wed. / Thu. / Fri. - Weekend : Sat. / Sun. ③ Time - Hour : Minute ④ Operation - Operation : Stop / Operation - Mode : Cool / Heat - Temp : 5 ~ 24℃(Cool Mode) / 15 ~ 65℃(Heat Mode) ※ Available select auto mode and setting target temperature (-5 ~ +5℃) 51

17 -9. RS 3 Remote Controller _Schedule Setting (2/2) q Daily Schedule • Checking registered schedule with details by date • Checking individual schedule of Room, DHW, and DHW heater • Use up/down buttons to select a schedule and edit by OK button - Display setting time, operation mode, target temperature - Schedule edit and delete : Save / Delete ① Schedule Activation : Activated / Inactivated ② Day ③ Time ④ Operation ⑤ Period q Exception Day • Operation stop on designated date (Add exception day) - Year : Month : Day 52

17 -10. RS 3 Remote Controller _Lock Setting q All Lock • Setting up prevent every change by remote controller - Release / Lock • All Lock status deactivates Operation On/Off, Mode, DHW q On/Off Lock • For preventing changing operation On/Off of product - Release / Lock q DHW Lock • For preventing changing DHW operation Enable/Disable of product - Release / Lock 53

17 -11. RS 3 Remote Controller _Timer Setting q Simple Timer • Timer setting operation or stop in 1 ~ 7 hours : Off / On - In Operation status, Set stop time : 1 ~ 7 hours, left to stop, Start / Cancel - In Stop status, Set operation time : 1 ~ 7 hours, left to start, Start / Cancel ※ This timer setup will be automatically disabled, If Operation status is changed after timer setting q Sleep Timer • Timer setting operation or stop in 1 ~ 7 hours : Off / On - In Operation, Set stop time : 1 ~ 7 hours, left to stop, Start / Cancel ※ This timer setup will be automatically disabled, If Operation status is changed after timer setting q Turn-On Reservation • Operation On time setting - Hour : Minute, Start / Cancel q Turn-Off Reservation • Operation Off time setting - Hour : Minute, Start / Cancel ※ Time will be displayed on 24 hour basis instead of AM/PM 12 hour 54

17 -12. RS 3 Remote Controller _Installer Setting (1/4) q Simple Description No Name Description Setting Value 3 Minutes Delay Disables 3 minute delay operation of Comp ※ Do not setting in field 2 Temp. sensor selection Select control criteria as air or water or air + water temperature. And location of room air temperature for detect 3 Dry Contact Mode Setting up operation status when dry contact on - Dry Contact On : Operation On or Keep Operation Off ※ Dry Contact Off : Operation Off + Hard Lock 4 Central Control Address Setting up address for connect of central controller 5 Air cooling set temp. Setting up upper/lower cooling temperature based on air Min 16 ~ 22℃ (18℃) Max 24 ~ 30℃ (30℃) 6 Water cooling set temp. Setting up upper/lower cooling temperature based on leaving water - FCU Not used : Min 16 ~ 20℃ (18℃) Min 5 ~ 20℃ (5℃) Max 22 ~ 27℃ (24℃) 7 Air heating set temp. Setting up upper/lower heating temperature based on air Min 16 ~ 22℃ (16℃) Max 24 ~ 30℃ (30℃) Water heating set temp. Setting up upper/lower heating temperature based on leaving water - Based on entering water : Max 35 ~ 55℃ (55℃) - Heater Not used : Min 20 ~ 34℃ (20℃) Min 15 ~ 34℃ (15℃) Max 35 ~ 65℃ (65℃) 1 8 9 DHW set temp. Setting up upper/lower temperature of DHW heating Setting up screed drying operation use or not 55 Release Water / Air+Water RMC / IDU Auto / Manual 00 ~ FF (00) Min 30 ~ 40℃ (40℃) Max 50 ~ 80(55)℃ (50℃) When Boost heater not use Use / Not use Step : 1 ~ 11 (Step 1)

17 -12. RS 3 Remote Controller _Installer Setting (2/4) q Simple Description No Name Description Setting Value 11 Heater on temperature Setting up ambient temperature for electric heater operation 12 Water supply off temp. during cooling Setting up FCU and Water supply stop temperature when FCU is not used FCU : Use / Not use Stop Temp 16 ~ 25℃ (18℃) Setting up disinfection and Operation date Disinfection active : Use / Not use Start date : Mon. ~ Sun. (Fri. ) Start time : 0 ~ 23 (23 hour) 13 Tank disinfection setting 1 -25 ~ 18℃ (-5℃) 14 Tank disinfection setting 2 Setting up target temperature and duration of disinfection Max temp. : 60 ~ 80℃ (70℃) Duration time : 5 ~ 60 (10 minute) Cutoff time : 1~12 hour 15 Tank setting 1 Setting up minimum temperature and cycle cut off temperature of DHW heating Min temp. : 1 ~ 30℃ (5℃) Cycle Cut Off temp. : 40 ~ 55 (55℃) 16 Tank setting 2 Setting up DHW heating temperature to maintain hysteresis and heating priority Hysteresis. : 2 ~ 4℃ (3℃) Heating priority : DHW / Floor 17 Heater priority Setting up priority of heater for DHW heating operation 18 DHW time setting Setting up Maximum time of maintaining DHW operation of heat pump and Minimum time of maintaining under floor heating operation of heat pump and boost heater delay time 56 Main + Boost heater On / Boost heater only ON Active time : 5 ~ 95 (30 minute) Stop time : 0 ~ 600 (30 minute) Boost heater delay time : 10/20/30/40/50/60/90/120/144

17 -12. RS 3 Remote Controller _Installer Setting (3/4) q Simple Description No Name Description Setting Value 21 Heating temp. setting Setting up temperature criteria of controlling water for heating Outlet / Inlet 22 Cooling temp. setting Setting up temperature criteria of controlling water for cooling Outlet / Inlet 23 24 25 Pump setting in heating Pump setting in cooling Forced operation Setting up water pump operation in heating mode Type : Time Setting / Continue On : 1 ~ 60 (2 minute) Off : 1 ~ 60 (1 minute) Setting up water pump operation in cooling mode Type : Time Setting / Continue On : 1 ~ 60 (2 minute) Off : 1 ~ 60 (1 minute) Setting up water pump forced operation time when operation is stopped with stop setting time 26 CN_CC Setting up install judgment method of dry contact 27 Pump frequency setting(PWM) Setting up water pump PWM 28 Smart Grid(SG) Setting up Smart Grid and detailed operation mode in SG step 2 ※ Water Pump test run : On / Off (Automatically turns off in 1 hour) 57 Use / Not use Stop Time : 20 ~ 180 (20 hour) Water Pump : 1 ~ 10 (10 minute) D/C Automatic / D/C Not Installed / D/C Installed PWM(%) : 10 ~ 100 (100 %) Not use / Use Mode : Step 0 ~ 2 (Step 0)

17 -12. RS 3 Remote Controller _Installer Setting (4/4) q Simple Description No Name Description Setting Value Mode : Heat / Cool / Heat & Cool Outdoor 1 Heat. : -25 ~ 35℃ ( -10℃) Outdoor 2 Heat. : -25 ~ 35℃ (16℃) Outdoor 3 Cool. : 10 ~ 46℃ (30℃) Outdoor 4 Cool. : 10 ~ 46℃ (40℃) 29 Seasonal auto temp Setting up support mode in auto mode And ambient, heating and cooling upper/lower temperature (Based on Leaving, Entering and Room air temperature) 58 L-Water 1 Heat. : 15 ~ 65℃ (35℃) L-Water 2 Heat. : 15 ~ 65℃ (28℃) L-Water 3 Cool. : 5 ~ 27℃ (20℃) L-Water 4 Cool. : 5 ~ 27℃ (16℃) * Main zone & add zone E-Water 1 Heat. : 15 ~ 55℃ (35℃) E-Water 2 Heat. : 15 ~ 55℃ (28℃) E-Water 3 Cool. : 10 ~ 27℃ (20℃) E-Water 4 Cool. : 10 ~ 27℃ (18℃) * Main zone & add zone

17 -12. RS 3 Remote Controller _Installer Setting (4/4) q Simple Description No 31 Name LG Therma V Configuration Description Read configuration information from mini SD card And save setting information to mini SD card 32 2 nd circuit Setting up 2 nd circuit and valve open/close time and Thermo on/off hysteresis 33 External water pump Setting up external water pump use or not 3 rd Setting Value Read file/ Write file Use/Not Use(Not Use) Value spec : 0~699 second(4 minute) hysteresis : 1~5℃ (2℃) Use/Not Use(Not Use) Mode : Auto / Manual (Auto) Temperature(Mode Auto) : 25~25 (-7℃) Hysteresis : 2~10℃(4℃) 34 3 rd party boiler Setting up party boiler use or not and operation mode. If Auto, Setting up ambient temperature for auto operation and hysteresis for switch 35 Anti-freezing temperature Setting up adjust temperature when anti-freeze solution is used -5 / -10 / -15 / -20 / -25 36 Pump pre/overrun Setting up water pump operation when comp start and stop Pre-run : 1~10 minute Overrun : 1~10 minute Setting up meter interface module configuration Address : Not Use / B 0 / B 1 (Not Use) Port spec : #1 PORT 1~4 #2 00000. 0 ~ 99999. 9(pulse / k. Wh) 37 Meter interface 59 history Monitoring operation

New 18. Wi. FI Remote Control q Thin. Q App for Therma V q Specification Wi-Fi Modem Model Code PWFMDD 200 USB Extension Cable (10 M) Model Code PWYREWOOO Control / Monitoring Operation On / Off Operation Mode Cool / Heat / Auto Water Target Heat 15 ~ 65℃, Cool 5 ~ 27℃ Temperature Room Air Heat 16 ~ 30℃, Cool 16 ~ Target 30℃ Temperature DHW Operation Enable / Disable DHW Target 30 ~ 80℃ Temperature Sleep, Turn On/Off Reservation Schedule q Wiring Monitoring Error Status CN_WF [Control] 60 [Monitoring]

New 19 -1. Meter Interface Module q Specification Model Code PENKTH 000 Dimension (Wx. Hx. D) 54 mm X 90 mm X 61 mm Heat Meter Pulse Input Operati on Operation Stop 3 EA (Input 1 / 2 / 3) ※ Input 3 : DHW Only 0. 5 Wh ~ 10 k. Wh / 1 Pulse 3 EA Communication with Rayleight RI-78 -80 -C Meter (Slave) 1 EA (Input 4) 0. 5 Wh ~ 10 k. Wh / 1 Pulse Close Open Error Occurred Normal Close Open Pulse Input Measuri ng Status Output Pulse Input Energy Meter Modbus (Master) Heat Meter Modbus Energy Meter ※ Energy Meter - Pulse input and Modbus type can not be used at the same Flow sensor time. q Wiring Return sensor CN_COM 61

New 19 -2. Energy Information Monitoring Power consumption and Produced heat information monitoring by linked meter interface module q Instantaneous power consumption q Comparison with previous year (Monthly) q Weekly power consumption (Accumulated) q Monthly power consumption (Accumulated) q Yearly power consumption (Accumulated) 62

20 -1. Dry Contact q Specification of Dry Contact Model Code PDRYCB 000 PDRYCB 300 Shape Case Quantity of point Power Operation On / Off Control Output Thermo On / Off Cool Mode Heat Mode Auto Mode DHW Heating Silent Mode Emergency Mode Operation Status Error O O 1 8 Short OR From Indoor Unit (AC 220 V) From Indoor Unit ● ● There are two different operation scenario depending on the mode setting of install 1. Auto Start Mode - Input Signal On : Indoor unit operation on with unlock - Input Signal Off : Indoor unit operation stop with lock 2. Manual Mode - Input Signal On : Unlock - Input Signal Off : Indoor unit operation stop with lock ● ● ● 63

20 -2. Simple Dry Contact _PDRYCB 000 q Wiring IDU PCB CN-CC Dry contact PCB Input / Output Power SHORT OR Non Voltage Output AC 220 V from Input 64 Input Error Operation Local supply AC 220 V from IDU

New 20 -3. Dry Contact for Thermostat (1/4) _PDRYCB 300 q Specification Model Code PDRYCB 300 Quantity of point 8 Power From Indoor Unit Contr ol Outpu t Operation On / Off ● (Auto / Manual Mode) Thermo On / Off ● Cool Mode ● AUTO Operation On/Off HEAT COOL Thermo On/Off DHW Heating Silent Mode Voltage setting Emergency Mode Reset SW Heat Mode ● Not Used Auto Mode ● Dry contact status DHW Heating ● Silent Mode ● Emergency Mode Operation Status Error Indoor PCB Connector ● Operation state ● ● Error state ※ Need to set voltage setting - Non Voltage OR Voltage setting (DC 12 V(3 A), 24 V(3 A) 65 Must Set “F” For Thermostat Mode Of Thermal V

New 20 -3. Dry Contact for Thermostat (2/4) _PDRYCB 300 q Wiring Thermostat Com Thermo On/Off Operation On/Off Output Com AUTO Heat Cool Operation Display Error Display Local supply DHW Heating Silent Mode Emergency Mode Local supply *Depending on different thermostat models, wiring can be different from others 66

New 20 -3. Dry Contact for Thermostat (3/4) _PDRYCB 300 q Operation depend on input signal (1/2) Operation On/Off Thermo On/Off COOL HEAT AUTO Operation Open * * Operation OFF Close Open * * * Close Open Close Open Close Open Close Close Close Open Close Close Operation ON + THERMAL OFF + Maintain Previous mode Operation ON + THERMAL ON + Switch to AUTO mode Operation ON + THERMAL ON + Switch to HEAT mode Operation ON + THERMAL ON + Maintain Previous mode Operation ON + THERMAL ON + Switch to COOL mode Operation ON + THERMAL ON + Maintain Previous mode 67

New 20 -3. Dry Contact for Thermostat (4/4) _PDRYCB 300 q Operation depend on input signal (2/2) Operation On/Off DHW Heating Silent Mode Emergency Mode Operation Open * * * Operation OFF Close Open DHW Heating + Silent Mode + Emergency Mode All Off Close Open Close Emergency Mode Enable Close Open Silent Mode Enable Close Open Close Silent Mode + Emergency Mode Enable Close Open DHW Heating Enable Close Open Close DHW Heating + Emergency Mode Enable Close Open DHW Heating + Silent Mode Enable Close DHW Heating + Silent Mode + Emergency Mode Enable 68

New 21. AC Ez Touch Central Controller q Common Features q Specification Model Code PACEZA 000 Dimension (Wx. Hx. D) 137 mm x 121 mm x 25 mm Weight (kg) 0. 66 kg (Gross: 1. 618 kg) Max. number of unit 64 Applicable unit type Air conditioner, ERV, DX ERV, Hydro kit (Heating), Therma V Display 5 inch color LCD Screen (800*480) Power 12 V DC (3. 33 A), 24 V AC Surrounding Conditions Operating Temperature : 0~40℃ Storage Temperature : -20~60℃ Humidity : 0~98% (non-condensing) LG Comm. type 1 Channel RS 485 *Channel 1 : Outdoor unit, PI 485 GW Ethernet 100 Mbps External Interface 1 Digital Input • Indoor Unit Control/Monitoring by Indoor Units • Web Access with Graphical User Access Control • Total 200 Schedule Events : Weekly, Monthly, Exception day setting • 1 Digital Input • Multiple Language Selections (English, Italian, Spanish, Portuguese, French, German, Polish) • Max. 5, 000 error history (1 year) q Features for Therma V • Operation : On / Off • Operation Mode : Heating / Cooling / Seasonal Auto • Under-Floor & FCU Target Temperature - Water : Heat 15 ~ 65℃, Cool 5 ~ 27℃ - Room Air : Heat 16 ~ 30℃, Cool 16 ~ 30℃ • DHW Heating : Enable / Disable • DHW Target Temperature : 30 ~ 80℃ Need to install PI 485 - PHNFP 14 A 0 (No 69

New 22. Easy Commissioning PC Tool (1/6) Automatically reflects on-site installation information via SD card with RS 3 remote controller q Concept • In Office ① Make configuration file with PC tool based on on-site installation information ② Save setting information as a file and copy it to mini SD card • In Site ① Insert mini SD card on back of RS 3 wired remote controller at the site ② Reflect configuration information with read function of installer setting 70

New 22. Easy Commissioning PC Tool (2/6) q Setting Step 1 : Product Information • Select Product Type - AWHP • Product Spec – Mid Temperature • Refrigerant Type – R 32 LOGO Open Save As English D: . Project2018★ `18 LG전자서초캠퍼스LG_secho_20180124. xml 1 • Product type Product Selection Image 2 Dip Switch Setting Status ● AWHP Hydrokit 3 Settings • Product spec * • Refrigerant type ** ● ● Middle temperature High temperature R 410 R 32 4 Validation Easy Commissioning Tool S/W ver. 1. 00 RS 3 ver. 1. 00 71 > New

New 22. Easy Commissioning PC Tool (3/6) q Setting Step 2 : DIP Switch Setting Guide • Switch #1 – Modbus Communication (Master/Slave, Exclusive/General) • Switch #2 – Install Status No. 1 (Basic/DHW/Solar Thermal, Heating Only/Heating and Cooling, Flow Detect, Electric Heater, Thermostat) • Switch #3 – Install Status No. 2 (Room Air Sensor, Anti-freezing Solution) LOGO Open Save As English > New D: . Project2018★ `18 LG전자서초캠퍼스LG_secho_20180124. xml 1 Product Selection Not use • DWH(Domestic Hot Water) ● • Solar thermal kit ● Not use • Emergency mode ● DWH Only High temperature mode - Air temp. 2 Set dip-switch like below image. Use - Outlet water temp. : 24 ℃ - Outlet water temp. - Air temp. 2 3 4 5 6 7 8 img img : 30℃ 1 2 3 4 img img : 19 ℃ - Hot water Supply temp. : 50℃ None Use • External water pump ● • Electric heater ● None Use* • Antifreeze Medium hot water ● None Use 4 • Thermostat ● None Use Validation • 3 rd party controller ● None Siemens • LG meter interface ● None Use Settings 1 : 50℃ - Hottemperature water Supplymode temp. : 70℃ Low Dip Switch Setting Status 3 Dip-switch Guide DWH + Heater Easy Commissioning Tool S/W ver. 1. 00 Memo here Others RS 3 ver. 1. 00 72

New 22. Easy Commissioning PC Tool (4/6) q Setting Step 3 : User Setting • Setting - Lock • Function – Low Noise Mode Time • User – Language, Temperature Unit, Screen saver timer, LCD Brightness In Idle, Date, Time, Summer Time • Service – Service Contact LOGO Open Save As English D: . Project2018★ `18 LG전자서초캠퍼스LG_secho_20180124. xml Function 1 Product Selection • User Service Installation Service Contact Office name 2 Installer name Dip Switch Setting Status Telephone (Up to 15 digits, combination of numbers and hyphens) 3 Settings 4 Validation Easy Commissioning Tool S/W ver. 1. 00 RS 3 ver. 1. 00 73 > New

New 22. Easy Commissioning PC Tool (5/6) q Setting Step 3 : Installer Setting • Temperature - Cool Water, Cool Air, Heat Water, Heat Air, Auto Water, Auto Air, DHW • System Setting – Smart Grid, Data Logging LOGO Open Save As English > New D: . Project2018★ `18 LG전자서초캠퍼스LG_secho_20180124. xml Auto - Water Product Selection Outdoor temp. heat 2 Cool-water temp. Min. Dip Switch Setting Status Heat-water temp. Min. 3 ℃ Max -5 ~ ~ -10 6 ℃ Max 5 17 6 17 ~ ~ 16 38 ℃ Max ℃ 5 -20 ℃ 25 57 20 39 ~ ~ 38 57 ℃ Auto – Air Cool-air temp. Min. 4 Validation -10 < Settings Installation < 1 Service User Function Heat-air temp. Easy Commissioning Tool S/W ver. 1. 00 Min. RS 3 ver. 1. 00 18 ℃ Max 24 ~ ~ 23 19 ℃ Max ℃ 24 18 30 30 16 20 ~ ~ 19 30 ℃ 74

New 22. Easy Commissioning PC Tool (6/6) q Setting Step 4 : Setting Information Validation • Check Setting Information LOGO Open Save As English D: . Project2018★ `18 LG전자서초캠퍼스LG_secho_20180124. xml 1 Product Selection 2 ICON Dip Switch Setting Status Complete ! 3 This setup is complete. Be sure to save. Settings Validation Easy Commissioning Tool S/W ver. 1. 00 RS 3 ver. 1. 00 75 > New

Appendex 76

Appendix 1. DIP Switch Setting of Split 3 Series Switch #2 has 8 pins and is located at the center Dip switch Description Setting 1 Indoor unit Type Setting for communication with remote controller - Master : Operation basis indoor unit - Slave : Other indoor unit(s) dependent on status of Master unit ※ In case of Therma V, Indoor unit shall be kept as Master 2, 3 System Configuration Setup - Basic : Installed Heat Pump Only - Include DHW : Installed Heat Pump and DHW - Include Solar Thermal System : Installed Heat Pump, DHW and Solar Thermal System OFF : Master Unit 2 OFF, 3 OFF : Basic O 2 OFF, 3 ON : Include DHW 2 ON, 3 OFF : Include Solar Thermal System 2 ON, 3 ON : Reserved (Don’t select) OFF : High 4 5 Flow Switch Detection - Always Detect : Detect while water pump is On or Off both - On Status Only Detect : Detect while water pump is On only OFF : Always 8 O ON : Slave Unit (Don’t select) Target temperature setting of emergency operation - High : Operate with High Temperature - Low : Operate with Low Temperature 6, 7 Default O ON : Low ON : On Status Only 6 OFF, 7 OFF : Step 2 Electric Heater Step Setup - Step 2 : Maximum capacity is used - Step 1 : First step capacity is used - Not use: Electric Heater is not to be used O O 6 OFF, 7 ON : Step 1 6 ON, 7 OFF : Not used (Don’t select) 6 ON, 7 ON : Unused (Don’t select) Set whether 3 rd party thermostat is installed or not - Not installed : 3 rd Party Thermostat is not installed - Installed : 3 rd Party Thermostat is installed OFF : Not installed ON : Installed 77 O

Appendix 2. Solar Thermal DHW Heating Operation DHW tank heating operation by using solar thermal as auxiliary heat source q Operation Pre-Condition • Connect Solar Thermal Water Temp. Sensor (Model Name : PHLLA) Domestic Hot Water Tank • Connect Solar Thermal 3 Way Valve and Water Pump Solar Thermal System • DIP Switch Setting : #2 ON, #3 OFF (Solar Thermal System Installed) • DHW Heating Operation : Enable Solar thermal water Temp. sensor (Accessory model : PHLLA) q Solar Thermal 3 Way Valve and Water Pump Operation • Solar Thermal DHW Heating Operation ① DHW Tank Temp. <= Solar Thermal Temp. + Operation On (-5℃) - 3 Way Vale : DHW Tank Direction - Water Pump : Operation ② DHW Tank Temp. >= Solar Thermal Temp. + Operation Off (1℃) - 3 Way Vale : Solar Thermal Direction - Water Pump : Stop 1. Only Solar thermal water temperature sensor is supplied as LG access and 3 Way valve and water pump are field supplied(3 rd party) 2. 3 Way valve and water pump must be connected to Therma V 78

Appendix 3. 3 rd Party Boiler Interlocking [Outdoor] [Room] DHW 태양열 s Collector s Boiler Collector Buffer Filter Tank 55℃ Cut 79 Remocon