Honeywell TH5110D Guía De Instalación
3
Wiring conventional systems
Shaded areas below apply only to
TH5320U/TH5220D
or as otherwise noted.
1H/1C System
(1 transformer)
Rc
Power
[1]
R
[R+Rc joined by jumper]
Y
Compressor contactor
C
24VAC common
[3]
W
Heat relay
G
Fan relay
Heat-only
System
Rc
Power
[1]
R
[R+Rc joined by jumper]
C
24VAC common
[3]
W
Heat relay
Heat-only
System
(Series 20)
[5]
Rc
[R+Rc joined by jumper]
R
Series 20 valve terminal “R”
[1]
Y
Series 20 valve terminal “W”
C
24VAC common
[3]
W
Series 20 valve terminal “B”
Heat-only
System
(normally open zone valve)
[5]
Rc
[R+Rc joined by jumper]
R
Power
[1]
Y
Normally open zone valve
C
24VAC common
[3]
1H/1C System
(2 transformers)
Rc
Power (cooling transformer)
[1, 2]
R
Power (heating transformer)
[1, 2]
Y
Compressor contactor
C
24VAC common
[3, 4]
W
Heat relay
G
Fan relay
Heat-only System
with Fan
Rc
Power
[1]
R
[R+Rc joined by jumper]
C
24VAC common
[3]
W
Heat relay
G
Fan relay
Cool-only System
Rc
Power
[1]
R
[R+Rc joined by jumper]
Y
Compressor contactor
C
24VAC common
[3]
G
Fan relay
2H/2C System
(1 transformer)
[6]
Rc
Power
[1]
R
[R+Rc joined by jumper]
Y
Compressor contactor (stage 1)
C
24VAC common
[3]
W
Heat relay (stage 1)
G
Fan relay
W2
Heat relay (stage 2)
Y2
Compressor contactor (stage 2)
2H/2C System
(2 transformers)
[6]
Rc
Power (cooling transformer)
[1, 2]
R
Power (heating transformer)
[1, 2]
Y
Compressor contactor (stage 1)
C
24VAC common
[3, 4]
W
Heat relay (stage 1)
G
Fan relay
W2
Heat relay (stage 2)
Y2
Compressor contactor (stage 2)
Rc
Y
W
G
R
C
M29372
Rc
W
R
C
M29373
Rc
Y
W
R
C
M29374
Rc
Y R
C
M29375
Rc
Y
W
G
R
C
M29376
Rc
W
G
R
C
M29377
Rc
Y
G
R
C
M29378
Rc
Y
W
G
W2
Y2
R
C
M29379
Rc
Y
W
G
W2
Y2
R
C
M29380
NOTES
Wire specifications:
Use 18- to 22-gauge thermostat wire.
Shielded cable is not required.
[1]
Power supply. Provide disconnect means
and overload protection as required.
[2]
Remove jumper for 2-transformer systems.
[3]
Optional 24VAC common connection.
[4]
Common connection must come from cool-
ing transformer.
[5]
In Installer Setup, set system type to
Heat Only.
[6]
In Installer Setup, set system type to
2Heat/2Cool Conventional.
[7]
In Installer Setup, set changeover valve to
O or B.
[8]
In Installer Setup, set system type to
2Heat/1Cool Heat Pump.
[9]
In Installer Setup, set system type to
2Heat/2Cool Heat Pump.
[10
] In Installer Setup, set system type to
3Heat/2Cool Heat Pump.
[11
] L terminal sends a continuous output when
thermostat is set to Em. Heat. Connect
to Honeywell zoning panels to switch the
panel to Emergency Heat.