Carrier 50TCQA - Manual (Page 21)

21
Table 4 – Space Sensor Mode
TB1 TERMINAL FIELD CONNECTION INPUT SIGNAL
1 T55---SEN/T56---SEN Analog (10k thermistor)
2 RMTOCC Discrete, 24VAC
3 T55---SEN/T56---SEN Analog (10k thermistor)
4 CMPSAFE Discrete, 24VAC
5 T56---SET Analog (10k thermistor)
6 FSD Discrete, 24VAC
7 LOOP---PWR Analog, 24VDC
8 SPS Discrete, 24VAC
9 IAQ---SEN Analog, 4---20mA
10 FILTER Discrete, 24VAC
11 IAQ---COM/OAQ---COM/RH---COM Analog, 4---20mA
12 CCN + (RED) Digital, , 5VDC
13 OAQ---SEN/RH---SEN Analog, 4---20mA
14 CCN Gnd (WHT) Digital, 5VDC
15 AUX OUT(Power Exhaust) (Output)Discrete 24VAC
16 CCN --- (BLK) Digital, 5VDC
LEGEND:
T55 --- Space Temperature Sensor FSD --- Fire Shutdown
T56 --- Space Temperature Sensor IAQ --- Indoor Air Quality (CO
2
)
CCN --- Carrier Comfort Network (communication bus) OAQ --- Outdoor Air Quality (CO
2
)
CMPSAFE --- Compressor Safety RH --- Relative Humidity
FILTER --- Dirty Filter Switch SFS --- Supply Fan Status
Table 5 – Thermostat Mode
TB1 TERMINAL FIELD CONNECTION INPUT SIGNAL
1 RAT SEN Analog (10k thermistor)
2 G Discrete, 24VAC
3 RAT SEN Analog (10k thermistor)
4 Y1 Discrete, 24VAC
5
6
Y2 Discrete, 24VAC
7 LOOP---PWR Analog, 24VDC
8 W1 Discrete, 24VAC
9 IAQ---SEN Analog, 4---20mA
10 W2 Discrete, 24VAC
11 IAQ---COM/OAQ---COM/RH---COM Analog, 4---20mA
12 CCN + (RED) Digital, 5VDC
13 OAQ---SEN/RH---SEN Analog, 4---20mA
14 CCN Gnd (WHT) Digital, 5VDC
15 AUX OUT (Power Exhaust) (Output) Discrete 24VAC
16 CCN --- (BLK) Digital, 5VDC
LEGEND:
CCN
--- Carrier Comfort Network (communication bus) RH --- Relative Humidity
G --- Thermostat Fan W1 --- Thermostat Heat Stage 1
IAQ --- Indoor Air Quality (CO
2
) W2 --- Thermostat Heat Stage 2
OAQ --- Outdoor Air Quality (CO
2
) Y1 --- Thermostat Cool Stage 1
RAT --- Return Air Temperature Y2 --- Thermostat Cool Stage 2
50TC
Q
A