Honeywell 9000 Guia De Instalacion página 5

Wiring
Wiring guide — heat pump systems
Wiring Instructions
1. This thermostat requires a 24Vac common to power the thermostat. The K terminal is available for
Wiresaver module (THP9045A1023).
2. Straighten the wire. Using a pen tip to hold down the terminal, gently slide the wire into terminal hole.
Note: Terminal hole will only accept one wire.
1H/1C Heat
Pump System
Rc
Power [1] C
R [R+Rc joined by jumper loop]
Y
Compressor contactor
C 24VAC common
O/B
Changeover valve
G Fan relay
2H/1C Heat
Pump System
C
Rc
Power [1]
R [R+Rc joined by jumper loop]
Y
Compressor contactor
C 24VAC common
O/B
Changeover valve
G Fan relay
Aux/E Auxiliary/Emergency heat relay
L
Heat pump system monitor
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] In Setup, set changeover valve to O or B.
K Rc R
Y G W2 Y2 L
O/B
MCR34828
[7]
K Rc R Y G Y2 L
Aux/E
O/B
MCR34829
[2]
C K Rc R W Y G W2
3H/2C Heat
Pump System
Rc
Power [1]
R [R+Rc joined by jumper loop]
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)
L Heat pump system monitor
See [notes] below
Jumper Loop
Y2 L
MCR34821
5
C K Rc R Y G Y2
O/B Aux/E
[2]
69-2815EFS—05
L
MCR34830