Honeywell RTH6300B Installation Manual page 15

RTH6300B Programmable Thermostat
Connect wires (less common wire designations)
If labels do not match letters on the thermo-
stat, check the chart at right and connect to
terminal as shown here (see notes, below).
If wires will be connected to both
R and Rc terminals, remove
metal jumper (see page 12).
Do not connect both O and B if
you have a heat pump. Connect O
wire to O/B W. Wrap B wire with
electrical tape and do not use.
Do not use C, X or B. Wrap bare
end of wire with electrical tape.
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