RTH5100B
1
If labels do not match letters on the thermostat, 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.
Connect wires (less common wire designations)
