Wiring - COZY HEDV253A Installation And Operating Instructions Manual

WARNING: THIS IS A GAS-FIRED APPLIANCE. KEEP THE AREA CLEAR OF GASOLINE AND OTHER
!
FLAMMABLE VAPORS AND LIQUIDS. ALL COMBUSTIBLE MATERIAL MUST BE KEPT CLEAR OF THIS
AREA TO AVOID FIRE OR EXPLOSION.
This appliance is equipped with a three prong power cord with grounding plug. For your protection against shock hazard, this
appliance should be plugged directly into a properly grounded three-prong receptacle. Do not cut or remove the grounding
prong from this plug.
NOTE: If any of the original wire supplied with this appliance
has to be replaced, it must be replaced with type 105ºC wire
or its equivalent.
Verify proper operation after servicing.
FIG. 13
Pressure
Black
Switch
Purple
Gas
Valve
Red
Yellow
Limit
Switch
Orange
Transformer
Black
Green
Black
WIRING DIAGRAM | HEDV253A, HEDV254A, HEDV403A & HEDV404A
Thermostat
Red White
R G W C
CMB Blower
L1
GROUND
ACC
24V
ACB COOL
Circuit Board
Black

WIRING

CAUTION: Label all wires prior to disconnection when
servicing controls. Wiring errors can cause improper
and dangerous operation.
HEDV25-A
HEDV40-A
PICTORIAL
Black
Draft Inducer
Circulating
Blower
Page 13
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HEDV25-A
HEDV40-A
LADDER
Gas Valve
Pressure Switch
Limit Switch
Thermostat 24 VAC
Circuit Board
115 VAC
Draft Inducer
Circulating Blower
1017952-A