RTHL3550
25 69-2584ES—01
About your new thermostat
SETUP
WIRING
ASSIST
ANCE
TROUBLESHOOTING
Leave metal jumper in place, connecting
R
&
Rc
terminals.
If your old thermostat had both
V
and
VR
wires,
stop now and contact a qualified contractor for
help.
If your old thermostat had separate
O
and
B
wires, wrap the B wire in electrical tape and do
not connect.
If your old thermostat had
Y1
,
W1
and
W2
wires,
stop now and contact a qualified contractor for
help.
If
E
and
Aux
terminals do not each have a wire
connected, use a small piece of wire to connect
them to each other.
5
Wiring—Heat Pump
Alternate wiring (for heat pumps only)
If labels do not match letters on the thermostat, check
the chart below and connect to terminal as shown here
(see notes, below).
Wiring complete, return to Step 7.
MCR31275A
E
5
5
4
2
AUX
X
W
F
H
B
W1
W2
X2
L
O
G
F
L
C
Y
R
R
VR
M
V
Y1
B
X
R
Y
Rc
Rc
E
G
O/B
Aux
Summary of Contents for RTHL3550
Page 1: ...RTHL3550 Non programmable Thermostat Quick Installation Guide 69 2584ES 01 ...
Page 3: ...1 69 2584ES 01 1 Turn Off Power to Heating Cooling System M28097 ...
Page 33: ...69 2584ES 01 RTHL3550 Termostato no programable Guía de instalación rápida ...
Page 35: ...1 69 2584ES 01 1 Desconecte la alimentación en el sistema de calefacción refrigeración M28097 ...