This product is covered by ACI's Two (2) Year Limited Warranty. Learn more
Product overview
R134A Refrigerant Sensor, 0-1000ppm,4-20mA, LCD, 3 SPDT Relays, Nema 4X, Modbus, BACnet
Application
- Mechanical Equipment Rooms
- Propellant Filling Stations
- Solvent Cleaning Stations
- Cold Storage and Transport Facilities
- MeatPacking Plants
- Super Markets
- Convenience Stores
- Refrigerant Storage Locations
- Chiller Plants
- Manufacturing Plants
- Pharmaceutical Labs
Product specifications
Supply Voltage:
V DC Supply Voltage: 24 V dc nominal (18 V dc to 30 V dc)
V AC Supply Voltage: 24 V ac nominal, 50 / 60 Hz (15 V ac to 24 V ac, ac power must not be grounded)
Fuse Protection:
Resettable: F1 on Display Board: 750 mA
Resettable: F2 on Display Board: 750 mA (Resets once fault is cleared & power is removed)
Supply Current / Power Consumption:
1.0 A maximum | 27 V A
Analog Outputs:
4 mA to 20 mA (4-wires)
Output Load Impedance:
600 Ω maximum
Communication Protocols:
BACnet MSTP, Modbus RTU / OptoMux (Proprietary Gas Controller Protocol for Q4C II, M-Con. & Q-Con. only)
Supported Baud Rates:
1200, 2400, 4800, 9600, 14400, 19200, 28800, 38400, 57600, 76800 Bits/Second (Default: 4800 BPS)
Refrigerant Types:
R11, R12, R22, R23, R32, R114, R116, R123, R134A, R141B, R402A, R404A, R407A, R407B, R407C, R407D, R407E, R407F, R408A, R409A, R410A, R422A, R422B, R438A, R448A, R449A, R452A, R453A, R454B, R507A, R508B, R513A, R514A, R1233ZD, R1234ZE
Factory Calibration Range:
0ppm to 1000 ppm for all standard refrigerants except R123 (0 ppm to 100 ppm)
Accuracy / Repeatability:
±3 % of Reading | ±1 % of full scale
Warm Up Time:
15 minutes at 25 °C using 24 V dc power
Sensor Type:
Infrared, Temperature Controlled
Response Time:
< 30 seconds for 90 % step change
Display:
2 x 8 Character Display with backlight
Keypad:
4x tactile and audible keypad
Relays / Contact Type / Relay Contact Ratings:
Three | SPDT (Form C) Dry Contacts | 1.0 maximum at 30 V dc or 0.3 A maximum at 125 V ac (Resistive Loads)
Relay Life Expectancy:
Mechanical: 50,000,000 operations minimum at 36,000 operations / hour
200,000 operations minimum at rated load
Status LED Indication:
Two Green LEDs (Tx / Rx Communication Status); Three Red LED’s (Relays 1, 2, & 3)
Buzzer:
80 dB at 10 cm (3.94 in), 2700 Hz (3 Programmable Tones)
Coverage Area / Mounting Height:
696.7 m2 (7500 ft2) or 14.9 m (49 ft) Radius | 15.3 cm (6 in) to 45.8 cm (18 in) above floor
Life Expectancy:
14 years, typical
Recommended Maintenance:
Accuracy & Bump Test once per year or as required by code
Enclosure Specifications (Material, Flammability, Temperature, NEMA/IP Rating):
Plastic Enclosure; Polycarbonate/ABS Blend; UL94 5VA; NEMA 4, 4X 12 & 13 (IP66); 0.2825 Nm (2.5 in-lb)
Operating Environment:
Indoor use only
Enclosure Knockouts:
22.23 mm (7/8 in) Knockout (accepts 12.7 mm (1/2 in) Conduit Fitting); Quantity: 1
Operating Temperature / RH:
-45 °C to 50 °C (-49 °F to 122 °F) | 5 % to 95 % RH, non-condensing
Operating Atmospheric Pressure:
1.0132 bar (14.696 psi) ±10 %
Note: When installed @ >3000’ above sea level, the refrigerant detectors must be verified for accuracy & re-calibrated as needed after installation
Storage Temperature | RH Range:
-45 °C to 50 °C (-49 °F to 122 °F) | 5 % to 95 % RH, non-condensing
Wiring Connections / Wire Size:
De-pluggable Screw Terminal Blocks | 0.2047 mm to 1.301 mm (16 AWG to 24 AWG) Shielded Twister Pair
Communications Cable:
Belden 9841 or Equivalent, 120 Ohms Input Impedance
Terminal Block Torque Rating:
0.502 Nm (0.37 ft-lb) Nominal
Agency Approvals:
Pending
Product Weight:
1.134 kg (2.50 lb)
Product Dimensions:
200 mm x 120 mm x 90 mm (7.87 in x 4.72 in x 3.54 in)
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