Honeywell RTH7400 Manual de usuario descargar pdf (Pagina 25)

RTH7400/RTH7500 Series

23 69-2487EF—01

SETUP WIRING ASSISTANCE TROUBLESHOOTING

Leave metal jumper in place, connecting R & Rc

terminals.

If your old thermostat had both V and VR wires,

stop now and contact a qualified contractor for

help.

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, stop

now and contact a qualified contractor for help.

If your old thermostat had Y1, W1 and W2 wires,

stop now and contact a qualified contractor for

help.

If L terminal is used, C terminal wire must be

connected (contact a contractor if there is no C

wire).

If E and Aux terminals do not each have a wire

connected, use a small piece of wire to connect

them to each other.

Wiring—heat pump

Alternate wiring (for heat pumps only)

Wiring complete, return to Step 7.

3 5

MCR32161

O/B

AUX

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 59 60

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Honeywell RTH7400 Manual de usuario Pagina 25