Carrier WeatherMaster 50HC14 Installation Instructions Manual page 46

TB3 TERMINAL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
LEGEND
CCN — Carrier Comfort Network (communication bus)
CMPSAFE — Compressor Safety
FILTER — Filter Switch
FSD — Fire Shutdown
IAQ — Indoor Air Quality (CO
OAQ — Outdoor Air Quality (CO
RH — Relative Humidity
SFS — Supply Fan Status
T55 — Space Temperature Sensor
T56 — Space Temperature Sensor
TB3 TERMINAL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
LEGEND
CCN — Carrier Comfort Network (communication bus)
G — Thermostat Fan
IAQ — Indoor Air Quality (CO
OAQ — Outdoor Air Quality (CO
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
Table 20 — Space Sensor Mode
FIELD CONNECTION
T55—SEN/T56—SEN
RMTOCC
T55—SEN/T56—SEN
CMPSAFE
T56—SET
LOOP—PWR
IAQ—SEN
IAQ—COM/OAQ—COM/RH—COM
CCN + (RED)
OAQ—SEN/RH—SEN
CCN Gnd (WHT)
AUX OUT(Power Exhaust)
CCN —(BLK)
)
2
)
2
Table 21 — Thermostat Mode
FIELD CONNECTION
RAT SEN
RAT SEN
LOOP—PWR
IAQ—SEN
IAQ—COM/OAQ—COM/RH—COM
CCN + (RED)
OAQ—SEN/RH—SEN
CCN Gnd (WHT)
AUX OUT (Power Exhaust)
CCN — (BLK)
)
2
)
2
FSD
SPS
FILTER
G
Y1
—
Y2
W1
W2
46
INPUT SIGNAL
Analog (10k thermistor)
Discrete, 24VAC
Analog (10k thermistor)
Discrete, 24VAC
Analog (10k thermistor)
Discrete, 24VAC
Analog, 24VDC
Discrete, 24VAC
Analog, 4-20mA
Discrete, 24VAC
Analog, 4-20mA
Digital, 5VDC
Analog, 4-20mA
Digital, 5VDC
(Output) Discrete 24VAC
Digital, 5VDC
INPUT SIGNAL
Analog (10k thermistor)
Discrete, 24VAC
Analog (10k thermistor)
Discrete, 24VAC
—
Discrete, 24VAC
Analog, 24VDC
Discrete, 24VAC
Analog, 4-20mA
Discrete, 24VAC
Analog, 4-20mA
Digital, 5VDC
Analog, 4-20mA
Digital, 5VDC
(Output) Discrete 24VAC
Digital, 5VDC