Honeywell Home Smart RTH6580WF1003 Series User Manual page 13

Installing your thermostat
Alternate wiring (heat pump system only)
Use this if your wire labels don't match the
terminal labels.
Note: You must have a C wire or equivalent.
See page 9.
Alternate wiring key (heat pump system only)
1
Do not use K terminal. For future use.
2
If old thermostat has separate wires on AUX and E, place both wires into the E/AUX
terminal. If old thermostat has wire on AUX with a jumper to E, place wire on E/AUX
terminal. No jumper is required.
3
If your old thermostat had an O wire and not a B wire, attach the O wire to the O/B terminal.
4
If your old thermostat had separate O and B wires, attach the B wire to the C terminal. If
another wire is attached to the C terminal, check resideo.com for help. Attach the O wire to
the O/B terminal.
5 If your old thermostat had separate Y1, W1 and W2 wires, check resideo.com for help.
6
If your old thermostat had both V and VR wires, check resideo.com for help.
7 Leave metal jumper between R and RC terminals in place.
2
L E AUX
F X W
X2 W1
W2
1
L
K
AUX/E
11
3
4 5 6
4
G O C Y R
F H X
Y1 V
B
B M VR
G O/B C
Y R RC
69-2715EF—07
RC
R
7
HEAT PUMP
MCR33886