Carrier 50TCA04-A07 User Manual
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Table 7 – 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
T56
--- Space Temperature Sensor
CCN
--- Carrier Comfort Network (communication bus)
CMPSAFE
--- Compressor Safety
FILTER
--- Dirty Filter Switch
FSD
--- Fire Shutdown
IAQ
--- Indoor Air Quality (CO2)
OAQ
--- Outdoor Air Quality (CO2)
RH
--- Relative Humidity
SFS
--- Supply Fan Status
Table 8 – 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)
G
---
Thermostat Fan
IAQ
---
Indoor Air Quality (CO2)
OAQ
---
Outdoor Air Quality (CO2)
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
50TC