Install Instructions

TB6575/TB8575 SUITEPRO™ DIGITAL FAN COIL THERMOSTATS
62-0278—13 6
Table 3. Terminal Wiring.
Model Application
Terminals
12 34567891011
TB6575A1000 — 120/240 Vac
TB6575C1000 — 120/240/277 Vac
Terminal Identifier L W/Y Y/A Gl Gm Gh N
Rs
a
a
Rs; Remote sensor is optional.
Sc
b
b
Required when Rs, SB, or Ps is wired.
SB
c
c
SB; Remote setback is optional.
Ps
d
d
Pipe sensor: Discrete, Analog, or Aquastat®.
Fly lead wire color Black Orange Yellow Red Blue Brown White
None
e
e
These terminals (8, 9, 10, and 11) do not have lead wires attached to them.
2 pipes; Heat only

f
f
A check mark () indicates the terminal is used in that application. Rs and SB terminal connections are optional. If a
terminal is left blank, it is not used in that application.
W   
O
g
g
O = Optional
R
h
h
R = Required if Rs, SB, or Ps is wired.
O
2 pipes; Cool only  Y    ORO
2 pipes; Heat or Cool with Manual Changeover  W/Y    ORO
2 pipes; Heat or Cool with Seasonal Changeover  W/Y    ORO

4 pipes; Heat and Cool with Manual Changeover  WY   ORO
4 pipes; Heat and Cool with Auto Changeover  WY   ORO
2 pipes; Heat or Cool with Auxiliary Heat  W/Y A    ORO

4 pipes; Heat and Cool with Manual Changeover or
Auto Changeover
 WY   ORO
TB6575B1000 — 120/240 Vac
Terminal Identifier L W/Y
n/a
i
i
Terminal 3 is not used on the TB6575B1000 model.
Gl Gm Gh N
Rs
a
Sc
b
SB
c
Ps
d
Fly lead wire color Black Orange Red Blue Brown White
None
e
2 pipes; Heat only  W    ORO
2 pipes; Cool only  Y    ORO
2 pipes; Heat or Cool with Manual Changeover  W/Y    ORO
2 pipes; Heat or Cool with Seasonal Changeover  W/Y    ORO

TB8575A1000 — 24 Vac
Terminal Identifier
j
j
The TB8575A1000 model does not have fly lead wires attached to any terminals.
RW/YY/AGlGmGhC
Rs
a
Sc
b
SB
c
Ps
d
2 pipes; Heat only  W    ORO
2 pipes; Cool only  Y    ORO
2 pipes; Heat or Cool with Manual Changeover  W/Y    ORO
2 pipes; Heat or Cool with Seasonal Changeover  W/Y    ORO

4 pipes; Heat and Cool with Manual Changeover  WY   ORO
4 pipes; Heat and Cool with Auto Changeover  WY   ORO
2 pipes; Heat or Cool with Auxiliary Heat  W/Y A    ORO

4 pipes; Heat and Cool with Manual Changeover or
Auto Changeover
 WY   ORO