MSA Chillgard VRF - Refrigerant Leak Detector

PRODUCT CODE:
MSA-CHILLGARD-VRF

The MSA Chillgard VRF is for the detection of refrigerant gas in Variable Refrigerant Flow Systems (VRF). 

Please note this product is currently discontinued.

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Product description

MSA Chillgard VRF - Refrigerant Leak Detector

The Chillgard VRF is designed to detect refrigerant gas leaks in Variable Refrigerant Flow Systems (VRF) and is the first VRF detector with BACnet capabilities. This device is calibrated for the detection of R410a Gas and has a low minimum detection level of 25 ppm. The need for continual maintenance is minimised with the Photoacoustic Infrared (PAIR) sensor technology that eliminates drifts and lessens the cost of ownership.

The Chillgard VRF can work independently while communicating directly to a building management system (BMS) via BACnet MS/TP, analog or Modbus RTU. There are many other benefits to the user of this VRF system one being it can cut energy costs as much as 40%. This VRF leak detector can be used for long periods of time in temperatures ranging from 0-60°C (32-140°F) and relative humidity levels (RH) of 0-99% without any user intervention.

This can be applied across applications such as schools/universities, places of worship, hospitals, hotels, restaurants and various others. Locate the Chillgard VRF around 12-18 inches from the floor where refrigerants will likely gather and install on a flat surface.

Key Features

  • Install with ease due to the back plate
  • No moving parts
  • Annual calibration
  • 2 LEDs for fault and alarm
Specification

Dimension

4.7" x 4.1" x 1.7" (11.9 cm x 10.4 cm x 4.3 cm)

Weight

0.51 lb. (230 g)

Visual indications

2 LEDs to indicate fault and alarm

Relay

1Relay W/Rated Load

Max Operating Current

Max Switching Capacit

 

1A @ 30 VDC

1A

30 W

Operating Power

24 VDC ±20%, 24 VAC ±20%, 50/60Hz, class 2

Power Consumption

≤ 5 watts

Wiring

14AWG max, 2.5 mm2, Class 2 copper wiring

Output Options 

4-20 mA sourcing, ≤ 500 ohm load, 2-10 V, 10k ohm load, RS-485 Modbus RTU, BACnet MS/TP

Operating temperature

32° to 140°F (0° to 60°C)

Relative Humidity (RH)

0–99% non-condensing

Pressure

10.2 to 15.7 PSIA (70 to 108 kPA)

Operating Range

0-1000 ppm

 

Minimum Detection   

25 ppm

Minimum Alarm

50 ppm

Response Time

T50 less than 240 seconds

Repeatability

±10 ppm at 50 ppm

Linearity

 

Between 25–50 ppm

Between 50–100 ppm

 

 

±10 ppm

±20% of reading

Audible Alarm

70 to 80 dB at 12" (30 cm) for the customized VRF

Standard Gases

R-410a

Approvals

 

Canada

US

International

CE Approval

 

 

CAN/CSA-C22.2 No. 61010-1-12

UL Std. No. 61010-1 (3rd edition)

IEC61010-1:2010 (3rd edition) CB certificate

CE approval, complies with the applicable

LVD and EMC directives

REACH/RoHS Compliance

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