Heat Pump System Wiring; Fan Coil System Wiring - Honeywell Home TB7100A1000 MultiPRO Installation Instructions Manual

Heat Pump System Wiring

L1
(HOT)
24 VAC
C
L2
G
1
Y
O/B
4
RC
R
CHANGEOVER VALVE
COMPRESSOR CONTACTOR
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2 FACTORY INSTALLED JUMPER.
3 WHEN USING BATTERIES, THE 24V COMMON CONNECTION IS
OPTIONAL.
4
"O/B" TERMINAL SET TO CONTROL AS EITHER "O" OR "B" IN THE
INSTALLER SETUP.
5 OPTIONAL INDOOR REMOTE SENSOR OR REMOTE SETBACK.
WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT
CABLE.
Fig. 11. Typical hookup of single-stage heat pump
with no auxiliary heat (1H/1C).
L1
(HOT)
C
24 VAC
G
L2
1 Y
O/B
4
RC
R
CHANGEOVER VALVE
COMPRESSOR CONTACTOR
FAN RELAY
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
1
PROTECTION AS REQUIRED.
2 FACTORY INSTALLED JUMPER.
WHEN USING BATTERIES, THE 24V COMMON CONNECTION
3
IS OPTIONAL.
4
"O/B" TERMINAL SET TO CONTROL AS EITHER "O" OR "B"
IN THE INSTALLER SETUP.
5 OPTIONAL INDOOR REMOTE SENSOR OR REMOTE SETBACK.
WIRES MUST HAVE A CABLE SEPARATE FROM THE THERMOSTAT
CABLE.
Fig. 12. Typical hookup of single-stage heat pump
with auxiliary heat (2H/1C).
TB7100A1000 MULTIPRO™ MULTISPEED AND MULTIPURPOSE THERMOSTAT
3
2
INDOOR TEMPERATURE
SENSOR/REMOTE
SETBACK
FAN RELAY
3
2
INDOOR TEMPERATURE
SENSOR/REMOTE
SETBACK
AUXILIARY HEAT RELAY

Fan Coil System Wiring

1
L1
W1
(HOT)
G2
G3 24 VAC
S1
L2
S2
5
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2
FACTORY INSTALLED JUMPER.
3
WHEN USING BATTERIES, THE 24V COMMON CONNECTION IS
OPTIONAL.
Fig. 13. Typical wiring of 4 pipe fan coil.
M27421
1
L1
(HOT)
24 VAC
L2
W1
G2
G3
S1
S2
5
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2
FACTORY INSTALLED JUMPER.
3
WHEN USING BATTERIES, THE 24V COMMON CONNECTION IS
OPTIONAL.
Fig. 14. Typical wiring of 2 pipe fan coil with reheat.
1
L1
(HOT)
M27422
24 VAC
L2
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2
FACTORY INSTALLED JUMPER.
3
WHEN USING BATTERIES, THE 24V COMMON CONNECTION IS
OPTIONAL.
Fig. 15. Typical wiring of 2 pipe fan coil without
5
3
C
G
Y
O/B
RC
2
R
HEAT RELAY
COOLING RELAY
LOW FAN RELAY
MEDIUM FAN RELAY
3
C
G
Y
O/B
RC
2
R
TWO PIPE HEAT/COOL RELAY
LOW FAN RELAY
MEDIUM FAN RELAY
AUXILIARY HEAT RELAY
3
C
G
Y
O/B
RC
2
R
TWO PIPE HEAT/COOL RELAY
LOW FAN RELAY
MEDIUM FAN RELAY
reheat.
W1
G2
G3
S1
S2
INDOOR TEMPERATURE
SENSOR/REMOTE
SETBACK
HIGH FAN RELAY
M27423
W1
G2
G3
S1
S2
INDOOR TEMPERATURE
SENSOR/REMOTE
SETBACK/CHANGEOVER
PIPE SENSOR
HIGH FAN RELAY
M27424
W1
G2
G3
S1
S2
INDOOR TEMPERATURE
SENSOR/REMOTE
SETBACK/CHANGEOVER
PIPE SENSOR
HIGH FAN RELAY
M27425
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