Removing The Thermostat - Honeywell TB6575B1000/U - SuitePro Digital Fan Coil Stat Installation Instructions Manual

R
W/Y
VALVE
Y/A
GI
FAN
Gm
Gh
C
Rs
Sc
SB
Ps
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
Fig. 17. Two pipes (Heat or Cool) auto changeover
wiring diagram (24 Vac shown).
R
W/Y HEAT VALVE
Y/A
COOL VALVE
GI
FAN
Gm
Gh
C
Rs
Sc
SB
Ps
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
Fig. 18. Four pipes (Heat and Cool) Manual/Auto
Changeover wiring diagram (24 Vac shown).
R
W/Y
VALVE
Y/A
AUX
GI
FAN
Gm
Gh
C
Rs
Sc
SB
Ps
1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
Fig. 19. Two pipes (Heat or Cool) with Auxiliary Heat
and Manual Changeover wiring diagram (24 Vac
L1
(HOT)
24 VAC
L2
1
REMOTE SENSOR
REMOTE SETBACK
PIPE SENSOR
M27576
L1
(HOT)
24 VAC
L2
1
REMOTE SENSOR
REMOTE SETBACK
M27577
L1
(HOT)
24 VAC
L2
1
REMOTE SENSOR
REMOTE SETBACK
PIPE SENSOR
M27578
shown).
TB6575/TB8575 DIGITAL FAN COIL THERMOSTATS
.
L
W/Y HEAT VALVE
Y/A
COOL VALVE
GI
FAN
Gm
6
1
Gh
2
C
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
PREVIOUS SYSTEM.
REWIRE THE PREVIOUS MID FAN SPEED WIRE TO THE NEUTRAL
4
CIRCUIT IN THE SYSTEM.
5 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
6 CHANGE INSTALLER SETUP IS CODE 9 TO 2 FOR
2 SPEED FAN CONTROL.
Fig. 20. Wiring diagram when missing a wire for
electromechanical retrofit (24 Vac shown).

Removing the Thermostat

WARNING
Risk of electrical shock.
Can cause severe injury, property damage or
death.
Disconnect power supply before servicing.
CAUTION
Equipment damage hazard.
Improper removal can damage the thermostat.
Carefully follow the thermostat removal directions.
If it is necessary to remove the thermostat from the sub-
base, refer to Fig. 21 and perform the following steps:
1. Turn off the thermostat by pressing the system
button until OFF displays.
2. Remove the power source from the thermostat.
3. Remove the small safety screw at the bottom of the
thermostat.
4. Use both hands to pull the thermostat straight away
from the sub-base.
9
5
L1
(HOT)
3
24 VAC
L2
4
62-0311—05
M31329