QIRF2-404A-A-G
Details
Details
Infrared Refrigerant Transmitter, R-404A, 0-1000 ppm
Needs 24 VDC (18-30 VDC) or 24 VAC (15-24 VAC) power.
Installs indoors only.
Key Features
- Analog output: 4-20mA (4-wire)
- Digital output: RS-485 Modbus and BACnet MS/TP
- Relay outputs: 3 SPDT (Form C) dry contacts
- Sensor life: 14 years, typical
Product Specifications
| Manufacturer | Greystone |
|---|---|
| Model | QIRF2404AAG (QIRF2-404A-A-G) |
| Refrigerant | R-404A |
| Factory calibration range | 0 to 1000 ppm |
| Gas ordering code | 404A |
| Sensing element technology | Infrared |
| Sensor life | 14 years, typical |
| Accuracy | +/-3% of reading |
| Repeatability | +/-1% of reading |
| Response time | Less than 30 seconds for 90% step change |
| Coverage area | 7500 sq ft (696.7 sq m); 49 ft (14.9 m) radius |
| Mounting height | 6 to 18 in. (15.3 to 45.8 cm) above the floor |
| Power supply | 24 VDC nominal (18-30 VDC), 1.0A DC total max; 24 VAC nominal (15-24 VAC), 1.0A AC total max |
| Fuse | F1 on display board: 1.6A; F2 on display board: 50 mA (resets once the fault is cleared and power is removed) |
| Power consumption | 27 VA |
| Display | 2 x 8 character graphic display with backlight |
| Panel control | Keypad: 4 tactile and audible keys |
| Panel indicators | 5 status LEDs: RS-485 TX and RX (green); relay 1, 2, and 3 (red) |
| Warm-up time | 15 minutes at 25 deg C on 24 VDC power |
| Relay outputs | 3 SPDT (Form C) dry contacts; 1.0A max at 30 VDC, 0.3A max at 125 VAC (resistive load) |
| Relay time delays | Actuation (make) or de-actuation (break), 0 to 999 seconds |
| Relay life | Mechanical 50 million, electrical 200,000 operations |
| Analog output | 4-20mA (4-wire) |
| Digital output | RS-485 Modbus and BACnet MS/TP; connects to the Q4C Controller, M-Controller, and Q-Controller |
| Buzzer | 80 dB at 10 cm, 2700 Hz; 3 programmable tones |
| Operating environment | Indoor use only |
| Operating temperature | -50 to 122 deg F (-45 to 50 deg C) |
| Storage temperature | -49 to 158 deg F (-45 to 70 deg C) |
| Operating humidity | 5 to 95% RH, non-condensing |
| Operating pressure | Atmospheric +/-10% |
| Enclosure | Polycarbonate/ABS blend; IP66, NEMA 4X, 12, and 13 |
| Wiring | 12 to 24 AWG, pluggable screw terminal blocks |
| Communication cable | Belden 9841 or equivalent, 120 ohm |
| Dimensions | 7.87 x 4.72 x 3.54 in. (200 x 120 x 90 mm) |
| Weight | 2.5 lb (1.134 kg) |