Honeywell TB6575B1000/U - SuitePro Digital Fan Coil Stat Installation Instructions Manual page 8

TB6575/TB8575 DIGITAL FAN COIL THERMOSTATS
.
L
W/Y HEAT VALVE
Y/A
COOL VALVE
GI
Gm
1 5
Gh
2
N
Rs
REMOTE SENSOR
Sc
REMOTE SETBACK
SB
Ps
1 REMOVE PRE-WIRED WIRE FROM TERMINAL 5 (MID FAN SPEED).
JUMPER TERMINALS 5 AND 6 (MID AND HIGH FAN SPEEDS). FAN
2
MEDIUM SETTING WILL OPERATE ON HIGH SPEED.
3 CONNECT TERMINAL 7 TO THE MID FAN SPEED WIRE FROM THE
PREVIOUS SYSTEM.
REWIRE THE PREVIOUS MID SPEED FAN WIRE TO THE NEUTRAL
4
CIRCUIT IN THE SYSTEM.
5
CHANGE INSTALLER SETUP IS CODE 9 TO 2 FOR
2 SPEED FAN CONTROL.
Fig. 13. Wiring diagram when missing a wire for
electromechanical retrofit (120/240 Vac shown).
62-0311—05
L (HOT)
FAN
3
N
4
M31328
24 Vac Wiring Diagrams (TB8575)
For the TB8575A1000 model, a 24 Vac Class 2 NEMA
rated transformer must be used.
R
W/Y
HEAT VALVE
Y/A
GI
FAN
Gm
Gh
C
Rs
Sc
SB
Ps
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
Fig. 14. Two pipes Heat-only wiring diagram (24 Vac
R
W/Y COOL VALVE
Y/A
GI
FAN
Gm
Gh
C
Rs
Sc
SB
Ps
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
Fig. 15. Two pipes Cool-only wiring diagram (24 Vac
R
VALVE
W/Y
Y/A
GI
FAN
Gm
Gh
C
Rs
Sc
SB
Ps
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
Fig. 16. Two pipes (Heat or Cool) Manual Changeover
wiring diagram (24 Vac shown).
8
L1
(HOT)
24 VAC
L2
1
REMOTE SENSOR
REMOTE SETBACK
M27573
shown).
L1
(HOT)
24 VAC
L2
1
REMOTE SENSOR
REMOTE SETBACK
M27574
shown).
L1
(HOT)
24 VAC
L2
1
REMOTE SENSOR
REMOTE SETBACK
M27575