Honeywell CT3500 Programmable Thermostat User Guide
WIRING DIAGRAMS
4-WIRE HEAT/COOL
(JUMPER INTACT)
2-WIRE HEAT-ONLY
(JUMPER INTACT)
THERMOSTAT
B
THERMOSTAT
B
RC
O
W
Y
RC
O
W
Y
R
G
R
G
HEATING
RELAY OR
VALVE COIL
COOLING
CONTACTOR
COIL
FAN
RELAY
HEATING
RELAY OR
VALVE COIL
1
1
1
POWER SUPPLY. PROVIDE
DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
1
POWER SUPPLY.
PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
M10617
M10616
4-WIRE SINGLE-STAGE HEAT PUMP
(JUMPER INTACT)
3-WIRE HEAT ONLY WITH FAN
(JUMPER INTACT)
THERMOSTAT
B
THERMOSTAT
B
RC
O
W
Y
RC
O
W
Y
R
G
R
G
3
2
HEAT
CHANGEOVER
VALVE
COMPRESSOR
CONTACTOR
HEATING
RELAY OR
VALVE COIL
FAN
RELAY
2
1
COOL
CHANGEOVER
VALVE
1
FAN
RELAY
1
POWER SUPPLY. PROVIDE
DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
M10618
POWER SUPPLY. PROVIDE DISCONNECT MEANS
AND OVERLOAD PROTECTION AS REQUIRED.
1
2
3
USE EITHER O OR B FOR HEAT PUMP CHANGEOVER.
USING A JUMPER WIRE (NOT SUPPLIED) CONNECT W TO Y.
M12739
69-1199—2
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| General | Details |
|---|---|
| Name | Honeywell CT3500 Programmable Thermostat User Guide |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.35 MB |

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