Technical Training WATER SOUCE SYSTEM Horizontal Water Source

Technical Training WATER SOUCE SYSTEM Horizontal Water Source Heat Pump

Content ü Introduction to Water Source System ü General Benefit of Water Source System ü Product Lineup ü Product (WH, 5 WSS, WSS) Technical Training - Features - Handset - PCB - Control Algorithm - Selft Diagnosis & Troubleshooting ü Installation Horizontal Water Source Heat Pump

Technical Training INTRODUCTION to Water Source System Horizontal Water Source Heat Pump

Introduction: What is Water Source Heat Pump? 4 Way Valve Technical Training Water inlet Water outlet Water-torefrigerant heat exchanger Compressor Expansion device Horizontal Water Source Heat Pump Finned-tube heat exchanger

Water Source System Categories Technical Training 1. Water Loop Heat Pump System 2. Ground Water Heat Pump System 3. Surface Water Heat Pump System 4. Ground Coupled Heat Pump System Horizontal Water Source Heat Pump

Water Source System Categories Technical Training Water Loop Heat Pump • • • Most common configuration Re-circulating water loop Cooling tower & boiler Horizontal Water Source Heat Pump

Water Source System Categories Technical Training Ground Water Heat Pump • • Ground water from well • • Stable throughout the year Drained back to well, drain, stream or lake Limited by availability of water table and aquifers in the ground Horizontal Water Source Heat Pump

Water Source System Categories Surface Water Heat Pump • • Technical Training • • Open or close loop Open – water being returned back to source or drain Closed – water being recirculated in the closed loop Stable throughout the year Horizontal Water Source Heat Pump

Water Source System Categories Technical Training Ground Coupled Water Heat Pump • HE is buried into the earth • Installation cost is high • Massive & stable thermal capacity Horizontal Water Source Heat Pump

Technical Training Water Loop Heat Pump System Horizontal Water Source Heat Pump

Water Loop Heat Pump System cooling tower air separator expansion tank pumps plate-and-frame heat exchanger Technical Training boiler water distribution loop heat pumps Horizontal Water Source Heat Pump

Water Loop Heat Pump System Summer Operation cooling tower ON Technical Training boiler off 32ºC [90ºF] heat pumps in cooling mode Horizontal Water Source Heat Pump

Water Loop Heat Pump System Winter Operation cooling tower OFF Technical Training boiler on 16ºC [60ºF] heat pumps in heating mode Horizontal Water Source Heat Pump

Water Loop Heat Pump System Spring and Fall Operation cooling tower OFF Technical Training boiler off heat pumps in cooling mode Horizontal Water Source Heat Pump heat pumps in heating mode

General Benefits of a Water Source System Technical Training • Heat recovery offers energy savings • Individual space control • Performs both cooling and heating • Flexibility – additional of heat pump • • - Individual tenant metering Small amount of floor space required Unit failure does not affect the rest of the system Horizontal Water Source Heat Pump

Technical Training Product Lineup & Features Horizontal Water Source Heat Pump

Product Lineup Technical Training Package Type - Horizontal WSHP, WH-B/BR series - Vertical WSHP, WV-A/AR series Split Type - WSS & 5 WSS series + Various Indoor Horizontal Water Source Heat Pump

Technical Training R 22 Water Source Split, WSS-A Horizontal Water Source Heat Pump

R 22 Water Source Split CK 20/25/30/40/50 A CK 10/15/20 C Technical Training WM 10/15/20/25 G WSS – A Series CC 10/15/20/25/30/40/50/60 C Horizontal Water Source Heat Pump

Technical Training Content 1. Features 2. Handset & PCB 3. Control Algorithm 4. Installation 5. Trouble Shooting Horizontal Water Source Heat Pump

Technical Training 1. Features 1. 1 Product Information 1. 2 Wide Range of Indoor 1. 3 Compact & Low Height Profile 1. 4 Less Vibration Design 1. 5 Common Indoor with DX unit 1. 6 Centralize Control & Networking Horizontal Water Source Heat Pump

R 22 Water Source Split Technical Training 1. 1 Product Introduction - Cooling Only - Split Type - Capacity: 1 hp to 6 hp Horizontal Water Source Heat Pump

R 22 Water Source Split Product Name Technical Training Btu/hr x 103 0 10 20 30 0 2. 93 5. 86 8. 79 40 11. 72 50 14. 65 17. 59 k. W WSS 10/15/20/25/30/40/50/60 A Horizontal Water Source Heat Pump 60

1. Features Technical Training 1. 2 Wide Range of Indoor Option • • • Wall Mounted Ceiling Cassette - A Ceiling Cassette - C Ceiling Concealed Ceiling Convertible – E Horizontal Water Source Heat Pump : 1 hp to 2. 5 hp : 2 hp to 5 hp : 1 hp to 2 hp : 1 hp to 6 hp : 2 hp to 5 hp

1. Features 1. 3 Compact & Low Height Profile Technical Training ~ 30% volume metric reduction Horizontal Water Source Heat Pump

1. Features 1. 4 Less Vibration Design • • Double isolation Panel Reduce noise and vibration transmission Compressor Technical Training Upper Panel Lower Panel Grommet Horizontal Water Source Heat Pump

1. Features 1. 5 Common Indoor with DX unit Indoor is same with Direct Expansion model Minimize inventory in warehouse Technical Training • • Horizontal Water Source Heat Pump

1. Features Technical Training 1. 7 Centralize Control by Using NIMPC or Smart Manager/ Hydro. Intel Horizontal Water Source Heat Pump

2. Handset & PCB 2. 1 Handset : G 11/G 12 : G 7/G 8 : SLM 3 : G 11/G 12 Technical Training WM CK CC CE Horizontal Water Source Heat Pump

2. Handset & PCB Technical Training 2. 2 PCB WM 10/15 - G Horizontal Water Source Heat Pump WM 20/25 - G

PCB Connection Diagram (WM-G) SLM 3 Technical Training OR CN 2 CN 3 Netware 2 LED Display Board Horizontal Water Source Heat Pump IR Receiver

3. Control Algorithm Technical Training 3. 1 Mode Selection 3. 2 Features 3. 3 Operating Mode 3. 4 Protection Horizontal Water Source Heat Pump

3. Control Algorithm 3. 1 MODE Selection Modes can be selected via the value of resistor RMODE. Technical Training MODES AP EC AUTO COOL DRY X X X : Modes Available Horizontal Water Source Heat Pump FAN X X HEAT RMODE X 3 K 110 K

3. 2 Features 3. 2. 1 Auto Random Restart • Auto random restart at the last state memory setting Technical Training • Shorted at J_LST jumper at main board • Remove the jumper to have non-auto restart Horizontal Water Source Heat Pump

3. 2 Features Technical Training Auto Random Restart J_LST Horizontal Water Source Heat Pump

3. 2 Features Power Up Settings Power Up Technical Training J_LST Shorted J_LST Opened User Set Mode = COOL User Set Temperature = 24˚C User Set Fan Speed = HIGH Horizontal Water Source Heat Pump

3. 2 Features 3. 2. 2 Unit ON / OFF 3 ways to turn on / off the system: (a) On/Off Triggering • Emergency On/Off Button Technical Training - System mode setting will rotate in the following sequence • Heat pump ……. >COOL>HEAT>OFF>…. . Cooling ……. >COOL>OFF>……. On/Off button on handsets Horizontal Water Source Heat Pump

3. 2 Features 3. 2. 2 Unit ON / OFF (b) Delay timer • Pressing the On/Off will reset the timer to 0 hour Technical Training (c) Real time On/Off Timer • Based on internal real time clock • The timer settings are kept so that similar switches can occur 24 hours later. • If emergency ON/OFF switch being press, then the timer will be reset. Horizontal Water Source Heat Pump

3. 2 Features 3. 2. 3 Sleep Function • Only available for COOL, HEAT & AUTO mode Technical Training • This function will increase (cooling mode) or decrease (Heating mode) the set temperature with time Horizontal Water Source Heat Pump

3. 2 Features 3. 2. 3 Sleep Function (Cool Mode) 0 1/2 1 2 Hours Technical Training Ts + 2 Ts + 1/2 Ts SLEEP set on Horizontal Water Source Heat Pump SLEEP set off

3. 2 Features 3. 2. 3 Sleep Function (Heat Mode) SLEEP set on SLEEP set off Ts Technical Training Ts - 1 Ts - 2 Ts - 3 0 1/2 1 2 Horizontal Water Source Heat Pump Hours

3. 2 Features 3. 2. 4 Indoor Fan Control Indoor fan speeds are LOW, MEDIUM, HIGH or AUTO FAN in COOL, HEAT and AUTO modes. • In FAN mode, only HIGH, MEDIUM and LOW speeds are allowed. Technical Training • Horizontal Water Source Heat Pump

3. 2 Features 3. 2. 5 IONIZER Control The IONIZER can be turned ON when indoor fan is ON. • The IONIZER will OFF when indoor fan is OFF. Technical Training • Capacitor Ionizer Horizontal Water Source Heat Pump

3. 2 Features Technical Training 3. 2. 6 Non Thermal Plasma (NTP) • What is NTP? - Generated by subjecting gas to an electrical field created by high alternating current. - When oxygen pass through the NTP, the molecules of oxygen break into oxygen ion – nascent oxygen. Horizontal Water Source Heat Pump

3. 2 Features Non Thermal Plasma (NTP) • General Arrangement: Technical Training Oxygen Molecules • Oxygen Ion with high energy NTP with high Voltage (AC ) The generated nascent oxygen oxidize the most organic air constituents into water and carbon dioxide. - eg. O* + CO Horizontal Water Source Heat Pump CO 2

3. 2 Features 3. 2. 7 TURBO Function • • Available in COOL, HEAT and DRY modes only. When TURBO function is set, indoor fan will force to HIGH for 20 minutes and working temperature for - Cooling Cycle is Ts – 2˚C - Heating Cycle is Ts + 2˚C Technical Training 20 min 30 min Set Temperature TURBO Function Conventional Time • If TURBO & Sleep function activated, Sleep function timer will reset until TURBO function is clear. Horizontal Water Source Heat Pump

Technical Training 3. 3. Operating Mode 3. 3. 1 Cool Mode 3. 3. 2 Heat Mode 3. 3. 3 Auto Fan 3. 3. 4 AUTO Mode 3. 3. 5 Defrost Function 3. 3. 6 Dry Mode Horizontal Water Source Heat Pump

3. 3 Operating Modes Technical Training 3. 3. 1 Cool Mode • Compressor will cut in if Tr – Ts > 0. 5˚C • Compressor will cut out if Tr < Ts – 1. 0˚C 22 C 23 C 24 C 23 C OFF 25 C 26 C 24. 5 C ON Horizontal Water Source Heat Pump Note: Tr = Room Temperature Ts = Set Temperature

3. 3 Operating Modes 3. 3. 2 Heat Mode Technical Training 3. 3. 2. 1 Heat Pump Model • Compressor will cut in if Tr – Ts < 1. 0˚C • Compressor will cut out if Tr –Ts > 3. 5˚C 22 C 23 C 24 C 25 C 26 C 27. 5 C 23 C ON OFF Horizontal Water Source Heat Pump Note: Tr = Room Temperature Ts = Set Temperature

3. 3 Operating Modes 3. 3. 2 Heat Mode 3. 3. 2. 2 Hot Start Technical Training • The indoor fan speed modulate according to the Tin coil: - If Tin coil > 40˚C, indoor fan run at user set speed - If Tin coil < 18˚C, indoor fan stop - If Tin coil crosses 30˚C, indoor fan change to low speed Note : Tin coil = Indoor Coil Temperature Horizontal Water Source Heat Pump

3. 3 Operating Modes 3. 3. 2 Heat Mode 2 selection available at the slide switch – ON/OFF Factory Preset at OFF option Technical Training • • 3. 3. 2. 3 Hot Keep Horizontal Water Source Heat Pump

3. 3 Operating Modes 3. 3. 2 Heat Mode 3. 3. 2. 3 Hot Keep Technical Training When compressor cuts out, the indoor fan will runs according to hot keep options. There are 2 options of Hot Keep: (a) Fan On Option (b) Fan Off Option Horizontal Water Source Heat Pump

3. 3 Operating Modes 3. 3. 2 Heat Mode 3. 3. 2. 3 Hot Keep (a) Fan On Option • Thermostat Cycle Cut OFF Technical Training - If Tin coil > 40˚C, indoor fan run at set speed - If Tin coil crosses 37˚C, indoor fan run at low speed - If Tin coil < 18˚C, indoor fan stop Horizontal Water Source Heat Pump

3. 3 Operating Modes 3. 3. 2 Heat Mode 3. 3. 2. 3 Hot Keep (b) Fan Off Option Technical Training • If Tin coil > 40˚C, indoor fan run at set speed • If Tin coil crosses 37˚C, indoor fan run at low speed • If Tin coil < 30˚C, indoor fan stop Horizontal Water Source Heat Pump

3. 3 Operating Modes 3. 3. 2 Heat Mode Technical Training 3. 3. 2. 4 4 -Way valve Changing • To run heat mode, 4 -way valve MUST turn ON. • 4 -way valve can only be changed from ON to OFF or vice-versa 55 +/- 5 seconds after the compressor has cut out. • Compressor cut in after 4 s. Horizontal Water Source Heat Pump

3. 3 Operating Modes 3. 3. 3 Auto Fan • Cool Mode Technical Training Tr o. C AUTO Fan Speed during COOL mode +1. 5 +1. 0 +0. 5 Ts -0. 5 -1. 0 H M L M H M L L M H COMP ON Horizontal Water Source Heat Pump COMP OFF COMP ON

3. 3 Operating Modes 3. 3. 3 Auto Fan • Heat Mode AUTO Fan Speed during HEAT mode Tr o. C +3. 5 +3. 0 Technical Training +2. 0 +1. 0 Ts M H M L M H M L COMP OFF COMP ON Horizontal Water Source Heat Pump COMP OFF

3. 3 Operating Modes 3. 3. 4 AUTO Mode Under Auto mode, COOL & HEAT mode can be changed automatically depending on room & set temperature. Technical Training (a) If the present Auto mode is COOL, ( Mode Set Temperature = User Set Temperature) COOL HEAT IF I) II) Tr <= Ts - 3. 5°C AND The compressor has cut out for at least 10 min. Horizontal Water Source Heat Pump

3. 3 Operating Modes 3. 3. 4 AUTO Mode (b) If the present Auto mode is HEAT, ( Mode Set Temperature = User Set Temperature) HEAT COOL Technical Training IF I) II) Tr > Ts + 3°C AND The compressor has cut out for at least 10 min. Horizontal Water Source Heat Pump

3. 3 Operating Modes 3. 3. 5 Defrost Mode • Can only be operate through HEAT mode • ‘Defrost Timer’ start counting when the OD coil sensor measured below +3 o. C • Upon crossing + 5 o. C to a higher temperature for 150 seconds, Technical Training the timer will be reset (this timer is also reset after defrost mode) • The temperature sensing can only be done when the compressor run time > 2 minutes Horizontal Water Source Heat Pump

3. 3 Operating Modes 3. 3. 5 Defrost Mode The likelihood of ice frosting: To o. C +3 +2 0 0 1/2 1 2 Hours Technical Training -2 -4 -6 -8 Horizontal Water Source Heat Pump Defrost Mode if >3 min

3. 3 Operating Modes 3. 3. 5 Defrost Mode • During Defrost Cycle, HEAT LED will blink • The defrost cycle will terminate if: a. temperature of outdoor coil sensor exceeds +10 o C Technical Training OR b. a minimum of 10 min compressor run time is achieved Horizontal Water Source Heat Pump

3. 3 Operating Modes 3. 3. 5 Defrost Mode Defrost Cycle COMP ON Technical Training OFF OD fan & 4 WV ON OFF Defrost Cycle Horizontal Water Source Heat Pump 15 +/- 5 sec 20 sec

3. 3 Operating Modes 3. 3. 6 Dry Mode During the 1 st 12 minutes • Run under COOL mode with Auto Fan Speed for 12 minutes OR Technical Training • Run Until Tr < Ts – 1°C After the 1 st 12 minutes • Run either Zone A, B, C or D (depend on temp. condition) Horizontal Water Source Heat Pump

3. 3 Operating Modes 3. 3. 6 Dry Mode ZONE A Compressor : if Tr - Ts > 2 o C ON Technical Training OFF Low Fan ON OFF 12 Minutes Horizontal Water Source Heat Pump

3. 3 Operating Modes 3. 3. 6 Dry Mode ZONE B Compressor : if 0°C < Tr - Ts < 1°C ON OFF Technical Training 8 min Low Fan 4 min ON OFF 30 sec 12 Minutes Horizontal Water Source Heat Pump

3. 3 Operating Modes 3. 3. 6 Dry Mode ZONE C Compressor : if 1°C < Ts - Tr < 2°C ON OFF Technical Training 6 min Low Fan 6 min ON OFF 30 sec Horizontal Water Source Heat Pump 12 Minutes

3. 3 Operating Modes 3. 3. 6 Dry Mode ZONE D Low Fan : if Ts - Tr > 3°C ON OFF Technical Training 30 sec Compressor ON OFF 12 Minutes Horizontal Water Source Heat Pump

3. 4 Protections Technical Training 3. 4. 1 Compressor 3. 4. 2 Indoor Coil Anti Freeze 3. 4. 3 Water Temperature Control 3. 4. 4 Self Diagnostics Horizontal Water Source Heat Pump

3. 4 Protections 3. 4. 1 Compressor (a) 3 minutes Minimum OFF time Memory backup option not selected (J_LST Opened) • Compressor can immediately cut in after the power supply is Technical Training restore; subject to thermostat cut in mode. Memory backup option selected (J_LST Shorted) • Compressor can cut in 0 to 64 seconds after the power supply is restore; subject to thermostat cut in mode. Horizontal Water Source Heat Pump

3. 4 Protections 3. 4. 1 Compressor (b) 150 seconds Minimum Run Time (c) Overload Protection COOL, AUTO COOL and DRY Technical Training Comp & OD Fan ON OD coil temp 68 o C OFF HEAT, AUTO HEAT Comp, OD Fan & 4 WV ON ID coil temp 68 o C Horizontal Water Source Heat Pump OFF

3. 4 Protections Technical Training 3. 4. 1 Compressor (d) Hardware Switch Detection • Normally closed switch • A counter is increased by one during the first thermostat cycle • Counter will reset after 3 minutes or unit turned off • If counter > 5, the unit will declare compressor overload protection Horizontal Water Source Heat Pump

3. 4 Protections 3. 4. 2 Indoor Coil Anti Freeze Available in COOL and DRY mode • IF ID Coil Temp reaches 1°C and below for at least 1 min AND compressor has run for at least 10 minutes ON Technical Training Comp & OD Fan 1 o C OFF • IF ID Coil Temp reached 10˚C and above for at least 1 min Comp & OD Fan ON 10 o. C Horizontal Water Source Heat Pump OFF

3. 4 Protections 3. 4. 3 Water Temperature Control Under COOL, DRY or Auto COOL Modes, • Compressor will NOT run and alarm will be activated - IF Tw 13°C or Tw 40°C for at least 20 seconds Technical Training • Compressor will shut down and alarm will be activated - IF compressor has been running for 20 seconds and Tw > 47°C for 20 seconds • Compressor will run and alarm will be deactivated - IF 13°C Tw 40°C Horizontal Water Source Heat Pump

3. 4 Protections 3. 4. 3 Water Temperature Control Under HEAT or Auto HEAT Modes, • Compressor will NOT run and alarm will be activated - IF Tw 10°C or Tw 35°C for at least 20 seconds Technical Training • Compressor will shut down and alarm will be activated - IF compressor has been running for 20 seconds and Tw < 6°C for 20 seconds • Compressor will run and alarm will be deactivated - IF 10°C Tw 35°C Horizontal Water Source Heat Pump

3. 4 Protections 3. 4. 4 Self Diagnostics Event PWR LED Timer LED 1 Room sensor open or short Blink 1 time 2 Indoor coil sensor open 3 4 5 Technical Training 6 Other LEDs Error code - Blink Fan Blink E 1 Blink 2 time - Blink Dry & Fan Blink E 2 Outdoor coil sensor open Blink 3 time - Blink Dry Blink E 3 Compressor overload/ Indoor coil sensor short/ outdoor coil sensor short Blink 1 time Blink Cool Blink E 4 Blink 3 times Blink Cool & Dry Blink E 5 Blink 2 times Blink Cool & Fan Blink E 6 No indication in display panel. (Blink HEAT in SLM 3. ) - Gas leak Water pump fault 7 Outdoor defrost 8 Outdoor coil sensor exist (MS model) 9 Hardware error (tact switch pin short) Blink 5 times Horizontal Water Source Heat Pump Blink 6 times EC AP Blink COOL & SLEEP & HEAT/S LEEP Blink COOL & HEAT/S LEEP Blink Heat, Cool, follow by Fan, Dry Blink E 7 Blink E 8

Technical Training 4. Installation 4. 1 Hanging the Unit 4. 2 Location of Hanging 4. 3 Refrigerant Piping 4. 4 Water Piping 4. 5 Drainage 4. 6 Cleaning & Flushing System Horizontal Water Source Heat Pump

4. Installation Technical Training 4. 1 Hanging the Unit Horizontal Water Source Heat Pump

4. Installation 4. 1 Hanging the Unit • Recommend to use vibration isolators on the brackets to reduce noise and vibration transmissions Technical Training • Spring isolator to be used for better vibration control. bracket PVC tube spring Upper washer, welded onto bracket nut bottom washer Horizontal Water Source Heat Pump

4. Installation 4. 2 Location of hanging Technical Training Install at a location that gives sufficient space clearance for: • Hanging the unit • Installing and maintaining the water piping • Installing and maintaining the duct work • Accessing the unit’s internal parts via access panel • Removal of air filter for cleaning Horizontal Water Source Heat Pump

4. Installation Technical Training 4. 2 Location of hanging Horizontal Water Source Heat Pump

4. Installation 4. 3 Refrigerant Piping Length, Elevation and Bends • When piping length becomes too long, both the capacity and compressor reliability drop. Technical Training • As the number of bends increases, system piping resistance to the refrigerant flow increase thus lowering the capacity of the unit and as a result the compressor may become defective. • Always choose the shortest path and follow the recommendation as tabulated in the following pages. Horizontal Water Source Heat Pump

4. Installation Technical Training 4. 3 Refrigerant Piping Detail for WSS 30 -WSS 60 A will be added soon after it is launched in Feb 2007. Horizontal Water Source Heat Pump

4. Installation 4. 3 Refrigerant Piping Additional Charges • The pre-charged of R 22 in the WSS unit is suitable for standard pipe of length up to 7. 6 m. Technical Training • When the piping is more than the standard pipe length, additional of 30 gram is needed for a meter of additional length. Detail for WSS 30 -WSS 60 A will be added soon after it is launched in Feb 2007. Horizontal Water Source Heat Pump

4. Installation Technical Training 4. 4 Water Piping Horizontal Water Source Heat Pump

4. Installation 4. 4 Water Piping Water OUT Technical Training Water IN • Males couplings, BSP • In general, no pipe insulation required Horizontal Water Source Heat Pump

4. Installation 4. 4 Water Piping Flexible hose • • Steel reinforced PVC hose with 2 female BSP couplings at the end. Use O-rings provided to have a leak-proof joint Technical Training • To ease water pipe installation Female couplings Horizontal Water Source Heat Pump

4. Installation 4. 4 Water Piping Pressure gauge Water Outlet Technical Training Thermometer Balancing Valve WSS Unit Strainer Flexible joint Automatic Shut-off Valve Horizontal Water Source Heat Pump Gate Valve Water Inlet

4. Installation 4. 5 Drainage • Slanting drain pan design Technical Training Drain • Drain pipe must be inclined at an angle to allow free drainage Drain pipe, ¾” U-Trap Horizontal Water Source Heat Pump Slope downwards to the nearest drain (recommended 1: 100)

4. Installation Technical Training 4. 6 Cleaning and Flushing System • Water circulating system must be cleaned and flushed of all construction dirt and debris • The system should be filled at the city water makeup connection with all air vents open. After filling, vents should be closed • Supplemental heater and circulator pump should be shut off • Use 27°C water as flush linger • Refill the system with clean water Horizontal Water Source Heat Pump

Technical Training Thank You Horizontal Water Source Heat Pump