Honeywell SUITEPRO TB8575 - Manual (Page 5)

TB6575/TB8575 SUITEPRO™ DIGITAL FAN COIL THERMOSTATS
5 62-0278—07
• Ps: Pipe sensor (optional)
• R: 24 Vac power
• Rs: Remote sensor (optional)
• SB: Remote setback (optional) • Sc: Ground (required if remote sensor, pipe sensor,
and/or remote setback are connected)
• W/Y: W = Heating; Y = Cooling (2 pipe only)
• Y/A: Y = Cooling; A = Electrical heater output
Table 3. Terminal Wiring.
Model Application
Terminals
1 2 3 4 5 6 7 8 9 10 11
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     O R O
2 pipes; Heat or Cool with Manual Changeover  W/Y     O R O
2 pipes; Heat or Cool with Seasonal Changeover  W/Y     O R O 
4 pipes; Heat and Cool with Manual Changeover  W Y     O R O
4 pipes; Heat and Cool with Auto Changeover  W Y     O R O
2 pipes; Heat or Cool with Auxiliary Heat  W/Y A     O R O 
4 pipes; Heat and Cool with Manual Changeover or
Auto Changeover
 W Y     O R O
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     O R O
2 pipes; Cool only  Y     O R O
2 pipes; Heat or Cool with Manual Changeover  W/Y     O R O
2 pipes; Heat or Cool with Seasonal Changeover  W/Y     O R O 
TB8575A1000 — 24 Vac
Terminal Identifier j
j The TB8575A1000 model does not have fly lead wires attached to any terminals.
R W/Y Y/A Gl Gm Gh C Rs a Sc b SB c Ps d
2 pipes; Heat only  W     O R O
2 pipes; Cool only  Y     O R O
2 pipes; Heat or Cool with Manual Changeover  W/Y     O R O
2 pipes; Heat or Cool with Seasonal Changeover  W/Y     O R O 
4 pipes; Heat and Cool with Manual Changeover  W Y     O R O
4 pipes; Heat and Cool with Auto Changeover  W Y     O R O
2 pipes; Heat or Cool with Auxiliary Heat  W/Y A     O R O 
4 pipes; Heat and Cool with Manual Changeover or
Auto Changeover
 W Y     O R O