Alternate Wiring - Honeywell RTHL2310 Series Quick Installation Manual

Advanced Installation Guide

Alternate Wiring

If labels do not match letters on the thermostat, check
the chart below and connect to terminal as shown here
(see notes, below).
B
If wires will be connected to both
terminals, remove metal jumper (see page 6).
Do not use
electrical tape.
If you have a heat pump without auxiliary/backup heat
and your old thermostat had separate O and B
terminals, connect O and do not connect B. Wrap
bare end of B wire with electrical tape.
Place a jumper (piece of wire) between Y and W if
you are using a heat pump without auxiliary/backup
heat.
Thermostat does not work on Heat Pumps with
auxiliary/backup heat.
69-2712EF—01
O G Y
C X
or . Wrap bare end of wire with
20
4 4
R
and
R Rc
M32734
Rc