Carrier 50HCQ Installation Instructions Manual page 29

TB1 TERMINAL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
LEGEND:
CCN - Carrier Comfort Network
G - Thermostat Fan
IAQ - Indoor Air Quality (CO
OAQ - Outdoor Air Quality (CO
RAT - Return Air Temperature
Table 10 – Thermostat Mode
FIELD CONNECTION
RAT SEN
G
RAT SEN
Y1
Y2
LOOP-PWR
W1
IAQ-SEN
W2
IAQ-COM/OAQ-COM/RH-COM
CCN + (RED)
OAQ-SEN/RH-SEN
CCN Gnd (WHT)
AUX OUT (Power Exhaust)
CCN - (BLK)
R
(communication bus)
)
2
)
2
Analog (10k thermistor)
Analog (10k thermistor)
(Output) Discrete 24VAC
RH - Relative Humidity
W1 - Thermostat Heat Stage 1
W2 - Thermostat Heat Stage 2
Y1 - Thermostat Cool Stage 1
Y2 - Thermostat Cool Stage 2
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INPUT SIGNAL
Discrete, 24VAC
Discrete, 24VAC
Discrete, 24VAC
Analog, 24VDC
Discrete, 24VAC
Analog, 4-20mA
Discrete, 24VAC
Analog, 4-20mA
Digital, 5VDC
Analog, 4-20mA
Digital, 5VDC
Digital, 5VDC