Carrier SINGLE PACKAGE ROOFTOP 48HC - Page 30

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Table 5 – Space Sensor Mode
TB3 TERMINAL FIELD CONNECTION INPUT SIGNAL
1 T 5 5 --- S E N / T 5 6 --- S E N Analog (10k thermistor)
2 RMTOCC Discrete, 24VAC
3 T 5 5 --- S E N / T 5 6 --- S E N 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 A n a l o g , 4 --- 2 0 m A
10 FILTER Discrete, 24VAC
11 I A Q --- C O M / O A Q --- C O M / R H --- C O M A n a l o g , 4 --- 2 0 m A
12 CCN + (RED) Digital,,5VDC
13 OAQ ---SEN/RH ---SEN A n a l o g , 4 --- 2 0 m A
14 CCN Gnd (WHT) Digital, 5VDC
15 AUX OUT(Po wer Exhaust) (Output)Discrete 24VAC
16 CCN --- (BLK) Digital, 5VDC
LEGEND:
T55 --- Space Temperature Sensor
T56 --- Space Temperature Sensor
CCN --- Carrier Comfort Network (communication bus)
CMPSAFE --- Compressor Safety
FILTER --- Dirty Filter Switch
F S D --- F i r e S h u t d o w n
IAQ --- Indoor Air Quality (CO
2
)
OAQ --- Outdoor Air Quality (CO
2
)
RH --- Relative Humidity
SFS --- Supply Fan Status
Table 6 – Thermostat Mode
TB3 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 I A Q --- S E N Analog, 4 ---20mA
10 W2 Discrete, 24VAC
11 I A Q --- C O M / O A Q --- C O M / R H --- C O M Analog, 4 ---20mA
12 CCN + (RED) Digital, 5VDC
13 O A Q --- S E N / R H --- S E N 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)
G --- T h e r m o s t a t F a n
IAQ --- Indoor Air Quality (CO
2
)
OAQ --- Outdoor Air Quality (CO
2
)
RAT --- Return Air Temperature
RH --- Relative Humidity
W1 --- Thermostat Heat Stage 1
W2 --- Thermostat Heat Stage 2
Y1 --- Thermostat Cool Stage 1
Y2 --- Thermostat Cool Stage 2
48HC