FIELD
FIELD
FACTORY
FACTORY
| NOTE 2 |
| |
|
|
| |
FIVE | W C Y | R G THERMOSTAT | |
| TERMINALS | ||
WIRE |
| FUSED DISCONNECT | |
|
|
HEATING-
ONLY
BLK | BLK |
| W2 | |
|
| |||
WHT | WHT |
| COM | |
|
| |||
|
|
| W/W1 | |
| GND |
| Y/Y2 | |
JUNCTION | ||||
| ||||
| SUPPLIED | BOX | R | |
| FUSED | CONTROL |
| |
DISCONNECT | BOX | G | ||
|
|
| ||
|
| TERMINAL | ||
|
|
| BLOCK | |
|
| FURNACE |
| 208/230- OR |
| |
| THREE |
| PHASE |
| 208/230- |
NOTE 1 | VOLT |
| SINGLE |
| PHASE |
| GND |
| CONDENSING |
| UNIT |
NOTES: 1. Connect
2.Some thermostats require a "C" terminal connection as shown.
3.If any of the original wire, as supplied, must be replaced, use same type or equivalent wire.
312A
A95236
Fig. 24 - Field Wiring Diagram
Piping should be pressure and leak tested in accordance with NFGC in the United States or
If pressure exceeds 0.5 psig
The gas supply pressure shall be within the maximum and minimum inlet supply pressures marked on the rating plate with the furnace burners ON and OFF.
ELECTRICAL CONNECTIONS
!WARNING
ELECTRICAL SHOCK AND FIRE HAZARD
Failure to follow this warning could result in personal injury, death, or property damage.
The cabinet MUST have an uninterrupted or unbroken ground according to NEC ANSI/NFPA
!WARNING
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury or death.
Blower access panel door switch opens
See Fig. 24 for field wiring diagram showing typical field
!CAUTION
FURNACE MAY NOT OPERATE HAZARD
Failure to follow this caution may result in intermittent furnace operation.
Furnace control must be grounded for proper operation or else control will lock out. Control must remain grounded through green/yellow wire routed to gas valve and manifold bracket screw.
115-V WIRING
Verify that the voltage, frequency, and phase correspond to that specified on unit rating plate. Also, check to be sure that service provided by utility is sufficient to handle load imposed by this equipment. Refer to rating plate or Table 7 for equipment electrical specifications.
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