Co2/Temperature Sensor Specifications; Wiring Specifications - Carrier SPS Installation Manual

CO2/Temperature sensor

CO2/Temperature sensor specifications

Method
Measurement range
Sensor tolerance
Annual drift
Power
Analog CO2 Output
Temperature Sensor
Temperature Control
(#33ZCT56CO2 only)
Certification
Mounting

Wiring specifications

Cable from sensor to controller:
Maximum length:
34
Dual Beam Absorption Infrared
Patented TEMA (time extended measurement algorithm) self-calibration
software
10K Temperature sensor
Sample Method: Diffusion
Analog Output: 0–2000 ppm factory default adjustable to 10,000 ppm
Accuracy:
Typical Conditions: °60° to 90°F (15° to 32°C)
0–2000 ppm: ± 110 ppm
± 10 ppm (negligible) with TEMA on
± 20 ppm typical with TEMA off
Response Time: 0–90% FS < 2 minutes
Warm-Up Time: 25 C < 2 minutes
Operating Conditions: 32° to 122°F (0° to 50°C)
0–95% RH (relative humidity), non-condensing
Storage Conditions: –4° to 158°F (–20° to 70°C)
18-30 Vac RMS, 50/60 Hz - half wave rectified (dedicated)
18-42 Vdc polarity protected (dedicated)
1.75 Va maximum average power
2.75 Va peak power
4-20 mA (RLmax=500 Ohms) and 0–10 V (Source 100 mA, Sink 10 mA)
10 kOhm Thermistor, 10 kOhm ± 2.5% at 77°F (25°C)
Slide potentiometer position
Left stop
Right stop
FCC Part 15 Class B
Calibration Interval: Five years/zero ppm gas offset adjust
5 1/4 in. (13.3 cm) x 3 in. (7.6 cm) molded plastic.
Includes 6x32 machine screws.
If <100 ft (30.5 meters)
If >100 ft (30.5 meters)
500 feet (152 meters)
TM
Resistance
0 kOhms (+5 kOhms)
100 kOhms (± 10 kOhms)
22 AWG, unshielded
22 AWG, shielded
Carrier Sensors