Honeywell TB7100A1000 User Manual
TB7100A1000 MULTIPRO™ MULTISPEED AND MULTIPURPOSE THERMOSTAT
62-0273—05
6
PTAC System Wiring
Fig. 16. Typical hookup of PTAC with HI and LO fan
speeds (1H/1C).
Fig. 17. Typical hookup of PTAC with HI and LO fan
speeds (2H/1C).
Sensor Wiring for Temperature Averaging
Fig. 18. Wiring four TR21 (20K ohm) Sensors.
Fig. 19. Wiring two TR21-A (10K ohm) Sensors to
provide a temperature averaging network.
Fig. 20. Wiring two TR21 (20K ohm) Sensors and one
TR21-A (10K ohm) Sensor to provide a temperature
averaging network
INDOOR TEMPERATURE
SENSOR/REMOTE
SETBACK
COMPRESSOR CONTACTOR
M27426
CHANGEOVER VALVE
1
2
3
4
5
LOW FAN RELAY
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
FACTORY INSTALLED JUMPER.
WHEN USING BATTERIES, THE 24V COMMON CONNECTION IS
OPTIONAL.
"O/B" TERMINAL SET TO CONTROL AS EITHER "O" OR "B" IN THE
INSTALLER SETUP.
OPTIONAL INDOOR REMOTE SENSOR OR REMOTE SETBACK.
WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT
CABLE.
3
L1
(HOT)
L2
1
24 VAC
5
C
G
Y
G
Y
O/B
RC
R
4
2
W1
G2
G3
S1
S2
G3
S1
S2
HIGH FAN RELAY
COMPRESSOR CONTACTOR
M27427
CHANGEOVER VALVE
1
2
3
4
5
LOW FAN RELAY
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
FACTORY INSTALLED JUMPER.
WHEN USING BATTERIES, THE 24V COMMON CONNECTION IS
OPTIONAL.
"O/B" TERMINAL SET TO CONTROL AS EITHER "O" OR "B"
IN THE INSTALLER SETUP.
OPTIONAL INDOOR REMOTE SENSOR OR REMOTE SETBACK.
WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT
CABLE.
3
L1
(HOT)
L2
1
24 VAC
AUXILIARY HEAT RELAY
4
2
INDOOR TEMPERATURE
SENSOR/REMOTE
SETBACK
5
C
G
Y
G
Y
O/B
RC
R
W1
G2
G3
S1
S2
G3
S1
S2
HIGH FAN RELAY
M27481
S1 S2
T T
SUBBASE
TR21
T T
TR21
T T
TR21
T T
TR21
M27482
S1
S2
SUBBASE
TR21-A
T4 T3
TR21-A
T4 T3
1
1
1
THE TR21-A IS A 10K OHM SENSOR.
M27483
T4
T3
TR21-A
1
1
THE TR21-A IS A 10K OHM SENSOR.
S1
S2
T
T
SUBBASE
TR21
T
T
TR21