Honeywell RTHL3550 Non-programmable Thermostat Installation Guide
RTHL3550
AWbiroiuntg—yoHuerantePwumthpermostat
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).
4
5
5
C
L
E AUX G
O
Y
R
Rc
F
X
W
F
H
X
Y1
V
R
X2
W1
W2
B
B
M
VR
L
E
Aux
G
O/B
Y
R
Rc
2
MCR31275A
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 complete, return to Step 7.
25
69-2584ES—01
firealarmresources.com
| General | Details |
|---|---|
| Name | Honeywell RTHL3550 Non-programmable Thermostat Installation Guide |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.72 MB |
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