Wiring Conventional System - Honeywell RTH2510 Quick Installation Manual

Wiring—Conventional System About your new thermostat
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
remove metal jumper (see page 6).
Do not use
electrical tape.
If you have a heat pump without auxiliary/backup heat
connect O or B, not both. If you do not have a heat
pump, do not connect B. Wrap bare end of wire with
electrical tape.
Place a jumper (piece of wire) between Y and W/Aux
if you are using a heat pump without auxiliary/backup
heat.
O G Y
C X
or . Wrap bare end of wire with
23
RTH2510/RTH2410
4 4
R
and
69-2726EF—01
R Rc
M32726
Rc
terminals,