Wiring - Heat Pump Systems - Honeywell FocusPRO Wi-Fi TH6000 Series Installation Manual

Wiring
Wiring guide — heat pump systems
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
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
2H/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
Aux/E Auxiliary/Emergency heat relay
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.
[4] Common connection must come from cooling
transformer.
[5] In Installer Setup, set system type to Heat Only.
[6] In Installer Setup, set system type to
2Heat/2Cool Conventional.
69-2738EFS—03
G C Y R Rc
MCR29448
[7]
L Aux G C Y R Rc
E
MCR29449A
[7]
L Aux G C Y R Rc
E
MCR29450
[7]
2H/2C Heat
Pump System
Rc
Power [1]
R
[R+Rc joined by jumper]
Y Compressor contactor (stage 1)
C
24 VAC common
O/B Changeover valve
G
Fan relay
Y2 Compressor contactor (stage 2)
3H/2C Heat
Pump System
Rc
Power [1]
R [R+Rc joined by jumper]
Y
Compressor contactor (stage 1)
C 24VAC common
O/B Changeover valve
G Fan relay
Aux/E Auxiliary/Emergency heat relay
Y2 Compressor contactor (stage 2)
See [notes] below
[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.
4
L Y2 G C Y R Rc
MCR29451
[7]
L Y2 Aux G C Y R Rc
E
MCR29452
[7]