Honeywell RTH2510/RTH2410 Thermostat Installation Guide
Quick Installation Guide
Connect Wires: Heat Pump
Systems with Auxiliary/Backup
Heat (alternate wiring)
5
4
7
3
6
7
5
2
OR
X
OR
F
OR
X
OR
Y1
M
OR
B
OR
F
OR
W
OR
RC
X2
B
H
W1
W2
V
VR
1
O/B
Y
RC
R
G
W/AUX
1
2
LEAVE JUMPER IN PLACE, CONNECTING R AND RC.
THIS THERMOSTAT CANNOT BE USED IF YOUR OLD THERMOSTAT
HAD ANY TWO OF THE FOLLOWING WIRES R, RC, V, OR VR.
3
DO NOT USE C OR X WIRE. DO NOT USE B WIRE IF YOU ALREADY
HAVE O WIRE. WRAP BARE END OF WIRE WITH ELECTRICAL TAPE.
DO NOT USE L WIRE. WRAP BARE END OF WIRE WITH ELECTRICAL
TAPE.
4
5
6
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 YOUR OLD THERMOSTAT HAD E AND AUX WIRES (OR
7
ALTERNATE WIRES), CONNECT BOTH WIRES TO AUX TERMINAL.
M32151A
69-2421ES—03
8
| General | Details |
|---|---|
| Name | Honeywell RTH2510/RTH2410 Thermostat Installation Guide |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.61 MB |

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