Honeywell TH5110D Guía De Instalación
4
Thermostat mounting
1. Push excess wire back into the
wall opening.
2. Plug wall opening with non-
flammable insulation.
3. Align the 4 tabs on the wallplate
with corresponding slots on the
back of the thermostat.
4. Push gently until the thermostat
snaps in place.
M29386
Rc
Y
G
R
C
M29381
1H/1C Heat Pump
System
Rc
Power
[1]
R
[R+Rc joined by jumper]
Y
Compressor contactor
C
24VAC common
[3]
O/B
Changeover valve
[7]
G
Fan relay
2H/1C Heat Pump
System (TH5220D only)
[8]
Rc
Power
[1]
R
[R+Rc joined by jumper]
Y
Compressor contactor
C
24VAC common
[3]
O/B
Changeover valve
[7]
G
Fan relay
Aux/E
Auxiliary/Emergency heat relay
L
Sends output when set to Em. Heat
[11]
2H/1C Heat Pump
System
(TH5320U only)
[8]
Rc
Power
[1]
R
[R+Rc joined by jumper]
Y
Compressor contactor
C
24VAC common
[3]
O/B
Changeover valve
[7]
G
Fan relay
Aux/E
Auxiliary/Emergency heat relay
L
Sends output when set to Em. Heat
[11]
2H/2C Heat Pump
System
(TH5320U only)
[9]
Rc
Power
[1]
R
[R+Rc joined by jumper]
Y
Compressor contactor (stage 1)
C
24VAC common
[3]
O/B
Changeover valve
[7]
G
Fan relay
Y2
Compressor contactor (stage 2)
L
Sends output when set to Em. Heat
[11]
3H/2C Heat Pump
System
(TH5320U only)
[10]
Rc
Power
[1]
R
[R+Rc joined by jumper]
Y
Compressor contactor (stage 1)
C
24VAC common
[3]
O/B
Changeover valve
[7]
G
Fan relay
Aux/E
Auxiliary/Emergency heat relay
Y2
Compressor contactor (stage 2)
L
Sends output when set to Em. Heat
[11]
See Notes on page 3.
Rc
Y
G
Aux
E
L
R
C
Rc
Y
G
Aux
E
L
R
C
Rc
Y
G
Y2
L
R
C
Rc
Y
G
Aux
E
L
R
C
Y2
Wiring heat pump systems
Shaded areas below apply only to
TH5320U/TH5220D
or as otherwise noted.