Honeywell CT2800 Programmable Thermostat Installation Guide
Old thermostat terminals that do not match new thermostat terminals
Use the table below to wire the new thermostat.
Connect to New
Old Thermostat
Terminal
Thermostat
Terminal
Description
R, RH, 4, V
Rc, R
R*
Rc*
W
Power
Power for cooling
Heat
W, W1, H
Y, Y1, M
Y
Cooling
Fan
G, F
O
G
Do not continue
installation
Changeover in cool (O terminal) or changeover in heat (B terminal).
You have a single-stage heat pump or zoning system. Select an alternate
thermostat model.
B
C, X, B
W2, H2
Do not connect
Transformer common.
Do not continue
installation.
Second stage heat (W2, H2) or second stage cooling (Y2).
You have a multistage heating/cooling system. Select an alternate
thermostat model.
Y2
*Remove factory-installed jumper between R and Rc terminals in 5-wire systems.
11
69-1638—1
firealarmresources.com
| General | Details |
|---|---|
| Name | Honeywell CT2800 Programmable Thermostat Installation Guide |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.35 MB |
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