Honeywell RTH5100B Owner's Manual

5
Remove metal
jumper if you
have both R and
Rc wires.
MCR29534
Thermostat does not work on Heat Pumps with auxiliary/backup heat.
We are here to help. Call 1-800-468-1502 for wiring assistance.
6 Connect Wires
Simply match wire labels.
If labels do not match letters on the thermostat, check “Alternate Wiring” on
page 5 and connect to terminal as shown (see notes, below).
Alternate Wiring
If wires will be connected to both
R and Rc terminals, remove metal
jumper
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.
Rc
R
Y
NOT
USED
O/B W
G
DO
NOT
CONNECT
MCR29548
C
Rc
R
W
Y
G
OR R
OR RH 4V
OR Y1 M
OR W1 H O
B
OR F
OR X B

Honeywell RTH5100B Specifications

General

Brand	Honeywell
Model	RTH5100B
Category	Thermostat
Language	English