Wiring Heat Pump Systems; Thermostat Mounting - Honeywell FocusPRO 5000 Series Installation Instructions Manual

Wiring heat pump systems

Shaded areas below apply only to
1H/1C Heat Pump
System
Rc Power [1]
R [R+Rc joined by jumper]
Y Compressor contactor
C 24VAC common
O/B Changeover valve
G Fan relay
2H/1C Heat Pump
System (TH5220D only)
Rc Power [1]
R [R+Rc joined by jumper]
Y Compressor contactor
C 24VAC common
O/B Changeover valve
G Fan relay
Aux/E Auxiliary/Emergency heat relay
L Sends output when set to Em. Heat
2H/1C Heat Pump
System
(TH5320U only) [8]
Rc Power [1]
R [R+Rc joined by jumper]
Y Compressor contactor
C 24VAC common
O/B Changeover valve
G Fan relay
Aux/E Auxiliary/Emergency heat relay
L Sends output when set to Em. Heat

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.
TH5320U/TH5220D
G C Y R
M29381
[3]
[7]
[8]
L Aux G C Y R
E
[3]
[7]
[11]
L Aux G C Y R
E
[3]
[7]
[11]
2H/2C Heat Pump
System
Rc
(TH5320U only)
Rc Power
R [R+Rc joined by jumper]
Y Compressor contactor (stage 1)
C 24VAC common
O/B Changeover valve
G Fan relay
Y2 Compressor contactor (stage 2)
Rc
L Sends output when set to Em. Heat
3H/2C Heat Pump
System
(TH5320U only)
Rc Power
R [R+Rc joined by jumper]
Y Compressor contactor (stage 1)
C 24VAC common
O/B Changeover valve
G Fan relay
Rc
Aux/E Auxiliary/Emergency heat relay
Y2 Compressor contactor (stage 2)
L Sends output when set to Em. Heat
See Notes on page 3.
4
or as otherwise noted.
L Y2 G
[9]
[1]
[3]
[7]
L Y2 Aux G
[10]
E
[1]
[3]
[7]
C Y R Rc
[11]
C Y R Rc
[11]
M29386