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Chillgard® L Series

Refrigerant Monitors

Chillgard L Series

The refrigerant The refrigerant monitoring industry monitoring industry leaderleader

Home of proven, reliableHome of proven, reliablePhotoacoustic Infrared Photoacoustic Infrared TechnologyTechnology

Chillgard L Series

Photoacoustic sensor is stable and sensitive

Improved PIR sensingImproved PIR sensing Sample system minimizes moving

parts, no solenoid valves or mechanical flow switch

RS-485 & Digital Signal Processing New advances in New advances in

micro-machined technologymicro-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 sensorPhotoacoustic IR sensor

Standard gases – R123, Standard gases – R123, R134a, R11, R12, R22R134a, R11, R12, R22

Minimum detection level - Minimum detection level - 20ppm20ppm

Single-point diffusion or 4-Single-point diffusion or 4-point pumped modelspoint pumped models

Chillgard LS

Compliant with ANSI/ASHRAE 15Compliant with ANSI/ASHRAE 15 UL approvalUL approval Water- and corrosion-resistant plastic enclosureWater- and corrosion-resistant plastic enclosure Easy operation, installation and maintenanceEasy operation, installation and maintenance 2-year warranty2-year warranty

Chillgard LS

24 VAC/DC or 110/220 VAC power24 VAC/DC or 110/220 VAC power 5 LEDs indicate power, fault and 3 levels of 5 LEDs indicate power, fault and 3 levels of

alarmalarm 4-20 mA and RS-485 outputs (to Chillgard LC 4-20 mA and RS-485 outputs (to Chillgard LC

Controller)Controller)

Chillgard L Series – Sensor Board

Chillgard LS Optional Gases

R400 and R500 series of refrigerantsR400 and R500 series of refrigerants Blends of multiple refrigerants to obtain good Blends of multiple refrigerants to obtain good

thermodynamic properties in the chiller, with thermodynamic properties in the chiller, with reduced corrosion and ozone depletion reduced corrosion and ozone depletion potential.potential.

Includes R404a, R410a, R407c, R507 Includes R404a, R410a, R407c, R507 Order with custom calibrationOrder with custom calibration Other refrigerants possibleOther refrigerants possible

Chillgard LS Accessories

AccessoriesAccessories Unit-mounted strobeUnit-mounted strobe Calibration boxCalibration box Remote light towersRemote light towers Calibration kitsCalibration kits Chillgard LC ControllerChillgard LC Controller

Maintenance and Repair

• No moving parts in diffusion-modeNo moving parts in diffusion-modeChillgard LS MonitorChillgard LS Monitor

• Optical bench is field-replaceable for convenient Optical bench is field-replaceable for convenient repair and for detection of a different refrigerantrepair and for detection of a different refrigerant

Chillgard LS Optical Bench

pumped benchpumped bench

diffusion benchdiffusion 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 Capable of controlling up to 8 Chillgard LS SensorsSensors

Easy-to-use digital display with 4-button keypadEasy-to-use digital display with 4-button keypad Provides gas reading, alarm status, calibration and Provides gas reading, alarm status, calibration and

fault diagnosticsfault diagnostics

Water- and corrosion-resistant enclosureWater- and corrosion-resistant enclosure

Chillgard LC Features

4-20mA and RS-232 output4-20mA and RS-232 output 0-10 V point identifier output0-10 V point identifier output 4 relays - 3 levels of alarm + fault4 relays - 3 levels of alarm + fault 85 dB horn, 100 dB horn option85 dB horn, 100 dB horn option

Chillgard LC Control Board

Chillgard LS & LC

• Twisted pair RS-485, 18 GA wire up to 1000 ftTwisted pair RS-485, 18 GA wire up to 1000 ft• Modbus protocolModbus protocol• LC can communicate with up to 8 single-point LC can communicate with up to 8 single-point

LS monitors, two 4-point LS monitors, or any LS monitors, two 4-point LS monitors, or any combinationcombination

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 available24 VAC/DC available

24 VAC/DC 24 VAC/DC 24 VAC/DC24 VAC/DC

RS 485RS 485

Chillgard L Series Power Options

110/220 VAC Available110/220 VAC Available

110/220 V 110/220 V inputinput

110/220 V 110/220 V inputinput

With internal 110/220 VAC With internal 110/220 VAC power supplypower supply

With internal 110/220 With internal 110/220 VAC power supplyVAC power supply

RS 485RS 485

Chillgard L Series Power Options

110/220 VAC Available110/220 VAC Available

110/220 V 110/220 V inputinput

4-conductor cable4-conductor cable

24 VDC from 24 VDC from LCLC

With internal 110/220 With internal 110/220 VAC power supplyVAC power supply

For 1 sensor module, up to 100’ using 18 AWG wireFor 1 sensor module, up to 100’ using 18 AWG wire

Chillgard L Series Power Options

110/220 VAC AVAILABLE110/220 VAC AVAILABLE

LC transformer versionLC transformer version

110/220 V 110/220 V InputInput

RS 485RS 48524 VAC24 VAC

RS 485RS 48524 VAC24 VAC

24 VAC24 VACRS 485RS 485

w/internal transformerw/internal transformer

Transformer version powers up to 5 diffusion Chillgard LS Monitors Transformer version powers up to 5 diffusion Chillgard LS Monitors or two 4-point pumped Chillgard LS Monitorsor two 4-point pumped Chillgard LS Monitors

Chillgard LC

AccessoriesAccessories Unit mounted strobeUnit mounted strobe Remote light towersRemote light towers Calibration kitsCalibration 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 LCCombined features of Chillgard LS and LC products in one enclosure products in one enclosure

Combined multi-point sensing and controllingCombined multi-point sensing and controlling

Chillgard LE Features

Photoacoustic IR sensorPhotoacoustic IR sensor

Standard gases – R123, R134a, Standard gases – R123, R134a, R11, R12, R22R11, R12, R22

Minimum detection level - Minimum detection level - 20ppm20ppm

Single-point diffusion, single-Single-point diffusion, single-point pumped or 4-point pumped point pumped or 4-point pumped modelsmodels

Chillgard LE Features

Complies with Complies with ANSI/ASHRAE 15ANSI/ASHRAE 15

UL approvalUL approval Water- and corrosion-Water- and corrosion-

resistant plastic enclosureresistant plastic enclosure Easy to operate, install and Easy to operate, install and

maintainmaintain 2-year warranty2-year warranty

Chillgard LE Features

24 VAC/DC or 110/220 VAC power24 VAC/DC or 110/220 VAC power Easy-to-use digital display with 4-button keypadEasy-to-use digital display with 4-button keypad

Provides gas reading, alarm status, Provides gas reading, alarm status, calibration and fault diagnostics calibration and fault diagnostics

Water- and corrosion-resistant enclosureWater- and corrosion-resistant enclosure

Chillgard LE Features

4-20mA and RS-232 output4-20mA and RS-232 output 0-10 V point identifier output0-10 V point identifier output 4 relays - 3 levels of alarm + fault4 relays - 3 levels of alarm + fault 85 dB horn, 100 dB horn option85 dB horn, 100 dB horn option

Chillgard LE Gases

R400 and R500 series of refrigerantsR400 and R500 series of refrigerants Blends of multiple refrigerants to obtain Blends of multiple refrigerants to obtain

good thermodynamic properties in the good thermodynamic properties in the chiller, with reduced corrosion and chiller, with reduced corrosion and ozone depletion potential.ozone depletion potential.

Includes R404a, R410a, R407c, R507 Includes R404a, R410a, R407c, R507 Order with custom calibrationOrder with custom calibration Other refrigerants possibleOther 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

EffectiveEffective: Meets ASHRAE standards for : Meets ASHRAE standards for refrigerant monitoring refrigerant monitoring

FlexibleFlexible: Configurable to meet application needs: Configurable to meet application needs AdvancedAdvanced: Photoacoustic infrared bench design: Photoacoustic infrared bench design EfficientEfficient: Detects low levels of refrigerant gas : Detects low levels of refrigerant gas

with low cost of ownership with low cost of ownership

Chillgard L Series

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