Chillgard

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Chillgard L Series Refrigerant Monitors
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Chillgard L Series

• The refrigerant monitoring industry leader
• Home of proven, reliablePhotoacoustic Infrared
  Technology

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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

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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

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Chillgard L Series - Flexibility

• Flexibility to meet
• Refrigerant Monitoring needs
• Remote Signaling and Control
• Power Requirements
• Budget

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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

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Chillgard LS Monitor

• Photoacoustic IR sensor
• Standard gases R123, R134a, R11, R12, R22
• Minimum detection level - 20ppm
• Single-point diffusion or 4-point pumped models

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Chillgard LS

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

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Chillgard LS

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

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Chillgard L Series Sensor Board
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Chillgard LS Optional Gases

• R400 and R500 series of refrigerants
• Blends of multiple refrigerants to obtain good
  thermodynamic properties in the chiller, with
  reduced corrosion and ozone depletion potential.
• Includes R404a, R410a, R407c, R507
• Order with custom calibration
• Other refrigerants possible

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Chillgard LS Accessories

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

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Maintenance and Repair

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

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Chillgard LS Optical Bench
pumped bench
diffusion bench
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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

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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

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Chillgard LC Features

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

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Chillgard LC Control Board
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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

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Chillgard LC Wiring

• Home-run communication wiring
• Bus communication wiring

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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

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Powering the Chillgard LC

• 24 VAC or DC
• 110/220 VAC optional supply
• Can be used to power one Chillgard LS Monitor

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Powering the Chillgard LC

• Transformer version
• Powers Chillgard LC Monitor and up to 5
  Chillgard LS Sensors

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

• Accessories
• Unit mounted strobe
• Remote light towers
• Calibration kits

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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

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Chillgard LE Features

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

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Chillgard LE Features

• Photoacoustic IR sensor
• Standard gases R123, R134a, R11, R12, R22
• Minimum detection level - 20ppm
• Single-point diffusion, single-point pumped or
  4-point pumped models

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Chillgard LE Features

• Complies with ANSI/ASHRAE 15
• UL approval
• Water- and corrosion-resistant plastic enclosure
• Easy to operate, install and maintain
• 2-year warranty

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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

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Chillgard LE Features

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

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Chillgard LE Gases

• R400 and R500 series of refrigerants
• Blends of multiple refrigerants to obtain good
  thermodynamic properties in the chiller, with
  reduced corrosion and ozone depletion potential.
• Includes R404a, R410a, R407c, R507
• Order with custom calibration
• Other refrigerants possible

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Chillgard LE Summary

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

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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

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Chillgard L Series

• Thank you!