MVR-300 VRF Refrigerant Gas Detector

Gas Detection for Refrigerants in Occupied Spaces

  • Fits in standard 3-gang electrical boxes for easy installation (not suitable for electrical junction boxes)
  • Low profile / flush mount for aesthetically non-intrusive appearance
  • Two relays and Modbus Communications for notifying building management & initiate counter measures
  • Alarm options (LED, buzzer, two levels, configurable delay and fail-safe) to alert occupants and remotely inform building management of alarm location for rapid response as required
  • Refrigerant specific sensors for enhanced safety
  • Self diagnostics and simple field calibration for easy maintenance
  • Unique plug-in field replaceable pre-calibrated sensor for low cost of ownership
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Description

The MVR-300™ VRF Refrigerant Gas Detector is specifically designed to provide continuous monitoring for refrigerants associated with high-efficiency, high volume refrigerant cooling and heating systems, such as VRF / VRV (Variable Refrigerant Flow/Variable Refrigerant Volume) systems. Typical applications include hotels, dormitories, hospitals, office buildings, and apartment buildings.

The MVR-300™ audible and visual alarms alert occupants and simultaneously communicate to Building Management Systems/Building Automation Systems (BMS/BAS). Two on-board relays can be used to close valves, activate alarm devices and exhaust fans or initiate emergency calls to rescue teams.

The on-board Modbus RTU interface provides real-time information about concentrations, status and settings. It also enables custom configuration of the MVR-300™ to any application specific requirements using multiple Modbus registers.

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Sensor Channels: 1
Measuring Range: 0-2,500 ppm, 0-5,000 ppm, 0-10,000 ppm
Accuracy: SC - < -10%/+15% of Full-Scale
Enclosure Rating: General Purpose
User Interface: Configuration through DIP switches, magnetic switches
Power: 100 to 240 VAC, 50/60 Hz 4W
Digital Communications: Modbus RTU via RS 485
Operating Voltage: 100 to 240 VAC, 50/60 Hz, 4 W max.
Relay Rating: 2 Alarm relays, 1 Fault relay SPDT
Wiring: 1 A @ @ 30 VDC/250VAC
Alarm: 1 A @ @ 30 VDC/250VAC
Ambient Temperature: 32 to 122°F (0 to 50°C)
Humidity: Humidity: 5 to 90% RH, non-condensing
Altitude: 0 to 6,560 ft (2,000 m)
Status Indicator: Tri-color LED: green, amber, red
Buzzer Volume: 80 dB @ 10 cm
Product Dimensions (L×W×H): 6" × 4.1" × 1.75" (150 × 105 × 45 mm)
Product Weight: 8 oz (230 g)
Approvals: CE, UL/CSA/IEC/EN 61010-1
Warranty: 1 Year

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Refrigerant Low Alarm* High Alarm* Range Part Number
R-410A 500ppm
1,000 ppm
2,000 ppm		 2,000 ppm
2,000 ppm
4,000 ppm		 2,500 ppm
5,000 ppm
10,000 ppm		 6203-0001
6203-0002
6203-0003
R-32 500ppm
1,000 ppm
2,000 ppm		 2,000 ppm
2,000 ppm
4,000 ppm		 2,500 ppm
5,000 ppm
10,000 ppm		 6203-0041
6203-0042
6203-0043
Description Part Number
Pressure Regulator (0.5 l/min, 5/8″-18 UNF) 0051-2358
Pressure Regulator (0.3 l/min, 5/8″-18 UNF) 0051-3299
Magnetic Wand 1100-1004
Calibration Adapter Kit ( adapter, tubing magnetic wand, extractor tool) 1100-2018
Extractor Tool (for removing sensor module during replacement process) 1100-2022
R-410A, Calibrated Sensor Assembly 2,500 ppm range 6203-0101
R-410A, Calibrated Sensor Assembly 5,000 ppm range 6203-0102
R-410A, Calibrated Sensor Assembly 10,000 ppm range 6203-0103
R-407C, Calibrated Sensor Assembly 2,500 ppm range 6203-0111
R-407C, Calibrated Sensor Assembly 5,000 ppm range 6203-0112
R-407C, Calibrated Sensor Assembly 10,000 ppm range 6203-0113
R-404A, Calibrated Sensor Assembly 2,500 ppm range 6203-0121
R-404A, Calibrated Sensor Assembly 5,000 ppm range 6203-0122
R-404A, Calibrated Sensor Assembly 10,000 ppm range 6203-0123
R-32, Calibrated Sensor Assembly 2,500 ppm range 6203-0141
R-32, Calibrated Sensor Assembly 5,000 ppm range 6203-0142
R-32, Calibrated Sensor Assembly 10,000 ppm range 6203-0143

Supported Gases: