Thermostat Wiring Diagrams; 120/240/277 Vac Wiring Diagrams (Tb6575A/B/C) - Honeywell SUITEPRO TB6575 Installation Instructions Manual

Thermostat Wiring Diagrams

The figures in this section illustrate typical wiring for:
• TB6575A1000, TB6575B1000 and TB6575C1000 fan
coil thermostats, which are 120/240/277 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.
120/240/277 Vac Wiring Diagrams
(TB6575A/B/C)
L
W/Y HEAT VALVE
Y/A
GI
Gm
Gh
N
Rs
Sc
SB
Ps
Fig. 7. Two pipes Heat-only wiring diagram
(120/240/277 Vac shown).
L
W/Y COOL VALVE
Y/A
GI
Gm
Gh
N
Rs
Sc
SB
Ps
Fig. 8. Two pipes Cool-only wiring diagram
(120/240/277 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 (120/240/277 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 SUITEPRO™ DIGITAL FAN COIL THERMOSTATS
W/Y
Y/A
Gm
Gh
Rs
Sc
SB
Ps
Fig. 10. Two pipes (Heat or Cool) Auto Changeover
wiring diagram (120/240/277 Vac shown).
W/Y
Y/A
Gm
Gh
Rs
Sc
SB
Ps
Fig. 11. Four pipes (Heat and Cool) Manual/Auto
changeover wiring diagram (120/240/277 Vac shown).
W/Y
Y/A
Gm
Gh
Rs
Sc
SB
Ps
Fig. 12. Two pipes (Heat or Cool) with Auxiliary Heat
and Manual Changeover wiring diagram (120/240/277
7
L
VALVE
GI
FAN
N
REMOTE SENSOR
REMOTE SETBACK
PIPE SENSOR
L
HEAT VALVE
COOL VALVE
GI
FAN
N
REMOTE SENSOR
REMOTE SETBACK
L
VALVE
AUX
GI
FAN
N
REMOTE SENSOR
REMOTE SETBACK
PIPE SENSOR
Vac shown).
L (HOT)
N
M27569
L (HOT)
N
M27570
L (HOT)
N
M27571
62-0278—07