Honeywell TB6575B1000/U - SuitePro Digital Fan Coil Stat Installation Instructions Manual page 7

Thermostat Wiring Diagrams
The figures in this section illustrate typical wiring for:
• TB6575A1000 and TB6575B1000 fan coil thermostats,
which are 120/240 Vac powered. Refer to Fig. 7–Fig.
13, beginning on page 7.
• TB8575A1000 model, which is 24 Vac powered. Refer
to Fig. 14–Fig. 20, beginning on page 8.
120/240 Vac Wiring Diagrams (TB6575A/
B)
L
W/Y HEAT VALVE
Y/A
GI
Gm
Gh
N
Rs
Sc
SB
Ps
Fig. 7. Two pipes Heat-only wiring diagram (120/240
Vac shown).
L
COOL VALVE
W/Y
Y/A
GI
Gm
Gh
N
Rs
Sc
SB
Ps
Fig. 8. Two pipes Cool-only wiring diagram (120/240
Vac shown).
L
W/Y
Y/A
GI
Gm
Gh
N
Rs
Sc
SB
Ps
Fig. 9. Two pipes (Heat or Cool) Manual Changeover
wiring diagram (120/240 Vac shown).
L (HOT)
FAN
N
REMOTE SENSOR
REMOTE SETBACK
M27566
L (HOT)
FAN
N
REMOTE SENSOR
REMOTE SETBACK
M27567
L (HOT)
VALVE
FAN
N
REMOTE SENSOR
REMOTE SETBACK
M27568
TB6575/TB8575 DIGITAL FAN COIL THERMOSTATS
L
W/Y
Y/A
GI
Gm
Gh
N
Rs
Sc
SB
Ps
Fig. 10. Two pipes (Heat or Cool) Auto Changeover
wiring diagram (120/240 Vac shown).
L
W/Y HEAT VALVE
Y/A
COOL VALVE
GI
Gm
Gh
N
Rs
Sc
SB
Ps
Fig. 11. Four pipes (Heat and Cool) Manual/Auto
changeover wiring diagram (120/240 Vac shown).
L
W/Y
Y/A
GI
Gm
Gh
N
Rs
Sc
SB
Ps
Fig. 12. Two pipes (Heat or Cool) with Auxiliary Heat
and Manual Changeover wiring diagram (120/240 Vac
7
L (HOT)
VALVE
FAN
N
REMOTE SENSOR
REMOTE SETBACK
PIPE SENSOR
M27569
L (HOT)
FAN
N
REMOTE SENSOR
REMOTE SETBACK
M27570
L (HOT)
VALVE
AUX
FAN
N
REMOTE SENSOR
REMOTE SETBACK
PIPE SENSOR
M27571
shown).
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