Chillgard L Series Refrigerant Monitors EVERY LIFE HAS

Chillgard L Series Refrigerant Monitors ® EVERY LIFE HAS A PURPOSE…

Chillgard L Series § The refrigerant monitoring industry leader § Home of proven, reliable Photoacoustic Infrared Technology

Chillgard L Series § Photoacoustic sensor is stable and sensitive § Improved PIR sensing § Sample system minimizes moving parts, no solenoid valves or mechanical flow switch § RS-485 & Digital Signal Processing § New advances in micro-machined technology § Water and Corrosion resistant plastic enclosure

Chillgard L Series § Features a new optical bench § Micro-machined optics § Significant technological advancement § Used on all Chillgard LS and LE Gas Monitors § Improved reliability § 2 -year warranty § Backwards-compatible with existing units

Chillgard L Series - Flexibility § Flexibility to meet: § § Refrigerant Monitoring needs Remote Signaling and Control Power Requirements Budget

Chillgard L Series § Chillgard LS Refrigerant Monitor § Economical low level monitoring of refrigerant gases § Sensor unit with analog and digital output § Chillgard LC Control Module § Controls up to 8 Chillgard LS Sensors § Multiple outputs and relays § Chillgard LE Refrigerant Monitor § Combined features of Chillgard LS and LC Gas Monitors within one enclosure § Combined multi-point sensing and controlling

Chillgard LS Monitor § Photoacoustic IR sensor § Standard gases – R 123, R 134 a, R 11, R 12, R 22 § Minimum detection level 20 ppm § Single-point diffusion or 4 point pumped models

Chillgard LS § § § Compliant with ANSI/ASHRAE 15 UL approval Water- and corrosion-resistant plastic enclosure Easy operation, installation and maintenance 2 -year warranty

Chillgard LS § 24 VAC/DC or 110/220 VAC power § 5 LEDs indicate power, fault and 3 levels of alarm § 4 -20 m. A and RS-485 outputs (to Chillgard LC Controller)

Chillgard L Series – Sensor Board

Chillgard LS Optional Gases § R 400 and R 500 series of refrigerants § Blends of multiple refrigerants to obtain good thermodynamic properties in the chiller, with reduced corrosion and ozone depletion potential. § Includes R 404 a, R 410 a, R 407 c, R 507 § Order with custom calibration § Other refrigerants possible

Chillgard LS Accessories § § § Unit-mounted strobe Calibration box Remote light towers Calibration kits Chillgard LC Controller

Maintenance and Repair • No moving parts in diffusion-mode Chillgard LS Monitor • Optical bench is field-replaceable for convenient repair and for detection of a different refrigerant

Chillgard LS Optical Bench pumped bench diffusion bench

Chillgard LS Summary § § Low cost refrigerant sensor Improved PIR technology Easy to install, operate and maintain Can be stand-alone or used with Chillgard LC Controller

Chillgard LC Control Module § Capable of controlling up to 8 Chillgard LS Sensors § Easy-to-use digital display with 4 -button keypad § Provides gas reading, alarm status, calibration and fault diagnostics § Water- and corrosion-resistant enclosure

Chillgard LC Features § § 4 -20 m. A and RS-232 output 0 -10 V point identifier output 4 relays - 3 levels of alarm + fault 85 d. B horn, 100 d. B horn option

Chillgard LC Control Board

Chillgard LS & LC • • • Twisted pair RS-485, 18 GA wire up to 1000 ft Modbus protocol LC can communicate with up to 8 single-point LS monitors, two 4 -point LS monitors, or any combination

Chillgard LC Wiring § Home-run communication wiring § Bus communication wiring

Powering the Chillgard LS § Power locally via 24 VAC or DC § Power locally via 110/220 VAC optional supply § Power via Chillgard LC Control Module

Powering the Chillgard LC § 24 VAC or DC § 110/220 VAC optional supply § Can be used to power one Chillgard LS Monitor

Powering the Chillgard LC § Transformer version § Powers Chillgard LC Monitor and up to 5 Chillgard LS Sensors

Powering Chillgard L Series 24 VAC/DC available 24 VAC/DC RS 485

Chillgard L Series Power Options 110/220 VAC Available 110/220 V input RS 485 With internal 110/220 VAC power supply

Chillgard L Series Power Options 110/220 VAC Available 110/220 V input 4 -conductor cable 24 VDC from LC With internal 110/220 VAC power supply For 1 sensor module, up to 100’ using 18 AWG wire

Chillgard L Series Power Options 110/220 VAC AVAILABLE LC transformer version 110/220 V Input RS 485 AC V 4 2 C 24 VAC w/internal transformer Transformer version powers up to 5 diffusion Chillgard LS Monitors or two 4 -point pumped Chillgard LS Monitors

Chillgard LC § Accessories § Unit mounted strobe § Remote light towers § Calibration kits

Chillgard LC Summary § § § Low cost controller Controls up to 8 Chillgard LS sensors Multiple outputs Configurable to meet your needs Easy to install, operate and maintain

Chillgard LE Features § Combined features of Chillgard LS and LC products in one enclosure § Combined multi-point sensing and controlling

Chillgard LE Features § Photoacoustic IR sensor § Standard gases – R 123, R 134 a, R 11, R 12, R 22 § Minimum detection level 20 ppm § Single-point diffusion, singlepoint pumped or 4 -point pumped models

Chillgard LE Features § Complies with ANSI/ASHRAE 15 § UL approval § Water- and corrosionresistant plastic enclosure § Easy to operate, install and maintain § 2 -year warranty

Chillgard LE Features § 24 VAC/DC or 110/220 VAC power § Easy-to-use digital display with 4 -button keypad § Provides gas reading, alarm status, calibration and fault diagnostics § Water- and corrosion-resistant enclosure

Chillgard LE Features § § 4 -20 m. A and RS-232 output 0 -10 V point identifier output 4 relays - 3 levels of alarm + fault 85 d. B horn, 100 d. B horn option

Chillgard LE Gases § R 400 and R 500 series of refrigerants § Blends of multiple refrigerants to obtain good thermodynamic properties in the chiller, with reduced corrosion and ozone depletion potential. § Includes R 404 a, R 410 a, R 407 c, R 507 § Order with custom calibration § Other refrigerants possible

Chillgard LE Summary § § § Low cost refrigerant sensor Improved PIR technology Multiple outputs Configurable to meet your needs Easy to install, operate and maintain

Chillgard L Series Summary § Effective: Meets ASHRAE standards for refrigerant monitoring § Flexible: Configurable to meet application needs § Advanced: Photoacoustic infrared bench design § Efficient: Detects low levels of refrigerant gas with low cost of ownership

Chillgard L Series Thank you!