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Alternate Wiring (Conventional Systems)
If labels do not match letters on the thermostat, check the chart below and connect to terminal as
shown here (See notes, below).
or
If wires will be connected to both RC and RH/R terminals, remove metal jumper.
If there is C or X wire available then you can connect with C terminal. If there is
no C or X wire then no need to connect with C terminal.
If you have a heat pump without auxiliary/backup heat connect either the O or B, not
both. If you do not have a heat pump, do not connect O or B. Wrap bare end of wire
with electrical tape.
Place a jumper (piece of wire) between Y and W if you are using a heat pump
4
without auxiliary/backup heat.
or
or
or
or
WIRING
or
9
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