Carrier 48TC Instruction Manual download pdf (Page 24)

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(P ower 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

)

CCN --- Carrier Comfort Network (communication bus) OAQ --- Outdoor Air Quality (CO

)

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

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) RH --- Relative Humidity

G --- Thermostat Fan W1 --- Thermostat Heat Stage 1

IAQ --- Indoor Air Quality (CO

) W2 --- Thermostat Heat Stage 2

OAQ --- Outdoor Air Quality (CO

) Y1 --- Thermostat Cool Stage 1

RAT --- Return Air Temperature Y2 --- Thermostat Cool Stage 2

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Carrier 48TC Instruction Manual Page 24

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