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TB7100A1000 MULTIPRO™ MULTISPEED AND MULTIPURPOSE THERMOSTAT
62-0273—05 4
Conventional System Wiring
Fig. 6. Typical wiring of single transformer
1H/1C system.
Fig. 7. Typical hookup of dual transformer
1H/1C system.
Fig. 8. Typical hookup of heat-only system.
Fig. 9. Typical hookup of heat-only system with fan.
Fig. 10. Typical hookup of cool-only system.
COMPRESSOR CONTACTOR
INDOOR TEMPERATURE
SENSOR/REMOTE
SETBACK
FAN RELAY
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
FACTORY INSTALLED JUMPER.
WHEN USING BATTERIES, THE 24V COMMON CONNECTION
IS OPTIONAL.
1
2
3
C
G
Y
O/B
RC
R
W1
G2
G3
S1
S2
2
3
L1
(HOT)
L2
1
24 VAC
M27416
HEAT RELAY
COMPRESSOR CONTACTOR
M27417
HEAT RELAY
FAN RELAY
COOLING
TRANSFORMER
HEATING
TRANSFORMER
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
REMOVE FACTORY INSTALLED JUMPER.
WHEN USING BATTERIES, THE 24V COMMON CONNECTION
IS OPTIONAL. WHEN USED, THE COMMON MUST CONNECT
TO THE COOLING TRANSFORMER SECONDARY.
1
3
2
3
L1
(HOT)
L2
1
24 VAC
L1
(HOT)
L2
1
24 VAC
C
G
Y
O/B
RC
R
2
INDOOR TEMPERATURE
SENSOR/REMOTE
SETBACK
W1
G2
G3
S1
S2
M27418
HEAT RELAY
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
FACTORY INSTALLED JUMPER.
WHEN USING BATTERIES, THE 24V COMMON CONNECTION IS
OPTIONAL.
1
2
3
L1
(HOT)
L2
1
24 VAC
C
G
Y
O/B
RC
R
2
W1
G2
G3
S1
S2
INDOOR TEMPERATURE
SENSOR/REMOTE
SETBACK
3
M27419
HEAT RELAY
FAN RELAY
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
FACTORY INSTALLED JUMPER.
WHEN USING BATTERIES, THE 24V COMMON CONNECTION
IS OPTIONAL.
1
2
3
3
L1
(HOT)
L2
1
24 VAC
2
C
G
Y
O/B
RC
R
W1
G2
G3
S1
S2
INDOOR TEMPERATURE
SENSOR/REMOTE
SETBACK
M27420
FAN RELAY
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
FACTORY INSTALLED JUMPER.
WHEN USING BATTERIES, THE 24V COMMON CONNECTION
IS OPTIONAL.
1
3
2
3
COMPRESSOR CONTACTOR
L1
(HOT)
L2
1
24 VAC
2
C
G
Y
O/B
RC
R
W1
G2
G3
S1
S2
INDOOR TEMPERATURE
SENSOR/REMOTE
SETBACK