Carrier 48HC - Page 32

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Table 4 – Space Sensor Mode
TB1 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(Power Exhaust) (Output)Discrete 24VAC
16 CCN --- (BLK) Digital, 5VDC
LEGEND:
T 5 5 --- S p a c e Te m p e r a t u r e S e n s o r F S D --- F i r e S h u t d o w n
T 5 6 --- S p a c e Te m p e r a t u r e S e n s o r I A Q --- I n d o o r A i r Q u a l i t y ( C O
2
)
CCN --- Carrier Comfort Network (communication bus) OAQ --- Outdoor Air Quality (CO
2
)
C M P S A F E --- C o m p r e s s o r S a f e t y R H --- R e l a t i v e H u m i d i t y
F I LT E R --- D i r t y F i l t e r S w i t c h S F S --- S u p p l y F a n S t a t u s
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 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 (Po wer 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
48HC