Carrier ZS Standard - Co2;Temperature Sensor Specifications; Wiring Specifications

CO2/Temperature sensor
Carrier Sensors CARRIER CORPORATION ©2021
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48
CO2/Temperature sensor specifications
Method
Dual Beam Absorption Infrared
TM
Patented TEMA (time extended measurement algorithm) self-calibration software
10K Temperature sensor
Sample Method: Diffusion
Measurement range
Analog Output: 0–2000 ppm factory default adjustable to 10,000 ppm
Sensor tolerance
Accuracy:
Typical Conditions: °60° to 90°F (15° to 32°C)
0–2000 ppm: ± 110 ppm
Annual drift
± 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)
Power
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
Analog CO2 Output
4-20 mA (RLmax=500 Ohms) and 0–10 V (Source 100 mA, Sink 10 mA)
Temperature Sensor
10 kOhm Thermistor, 10 kOhm ± 2.5% at 77°F (25°C)
Temperature Control
(#33ZCT56CO2 only)
Slide potentiometer position
Left stop
Right stop
Resistance
0 kOhms (+5 kOhms)
100 kOhms (± 10 kOhms)
Certification
FCC Part 15 Class B
Calibration Interval: Five years/zero ppm gas offset adjust
Mounting
5 1/4 in. (13.3 cm) x 3 in. (7.6 cm) molded plastic.
Includes 6x32 machine screws.
Wiring specifications
Cable from sensor to controller:
If <100 ft (30.5 meters) 22 AWG, unshielded
If >100 ft (30.5 meters) 22 AWG, shielded
Maximum length:
500 feet (152 meters)
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