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Horizontal Drain Trap Mounting-Left Or Right Side Panel; Electrical Connections; Wiring Harness; 115-Volt Line Connections - Whirlpool WGFM29 Installation Instructions Manual

93% and 95% 2-stage variable-speed gas furnace
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Horizontal Drain Trap Mounting—Left or Right
Side Panel
1. Position the drain trap against the side panel with the drain
tubes inserted into the trap.
NOTE: The trap may be orientated with the outlet facing
either the furnace's top cover or base pan.
2. Secure the drain trap to the side panel at the dimples or
crosshairs located on either side of the grommet drain holes.
3. Confirm that the tubes reach the bottom of the drain trap and
that all of the hoses maintain a downward slope and are not
kinked or binding.
4. Attach the PVC drain line to the drain trap outlet with either a
90° elbow or coupling.

ELECTRICAL CONNECTIONS

WARNING

Goodman 70-A
HIGH VOLTAGE!
To avoid the risk of electrical shock, wiring to
the unit must be polarized and grounded.
WARNING
Goodman 115
HIGH VOLTAGE!
To avoid personal injury or death due to
electrical shock, disconnect electrical
power before servicing or changing any
electrical wiring.
CAUTION
Goodman 59
Label all wires prior to disconnection when servicing
controls. Wiring errors can cause improper and dangerous
operation. Verify proper operation after servicing.

Wiring Harness

The wiring harness is an integral part of this furnace. Field
alteration to comply with electrical codes should not be required.
Wires are color coded for identification purposes. Refer to the
wiring diagram for wire routings. If any of the original wire as
supplied with the furnace must be replaced, it must be replaced
with wiring material having a temperature rating of at least 105°C.
Any replacement wiring must be a copper conductor.

115-Volt Line Connections

Before proceeding with electrical connections, ensure that the
supply voltage, frequency and phase correspond to that specified
on the unit rating plate. Power supply to the furnace must be NEC
Class 1, and must comply with all applicable codes. The furnace
must be electrically grounded in accordance with local codes or, in
their absence, with the latest edition of The National Electric Code,
ANSI NFPA 70 and/or The Canadian Electric Code CSA C22.1.
Use a separate fused-branch electrical circuit containing properly
sized wire, and fuse or circuit breaker. The fuse or circuit breaker
must be sized in accordance with the maximum overcurrent
protection specified on the unit rating plate. An electrical
disconnect must be provided at the furnace location.
NOTE: Line polarity must be observed when making field
connections.
Connect hot, neutral and ground wires as shown in the wiring
diagram located on the unit's blower door. For direct vent
applications, the cabinet opening to the junction box must be
sealed airtight using either an UL Listed/CSA approved bushing
such as Heyco Liquid Tight or by applying non-reactive UL
Listed/CSA approved sealant to bushing.
Line polarity must be observed when making field connections.
Line voltage connections can be made through either the right or
left side panel. The furnace is shipped configured for a right side
(left side for counterflows) electrical connection with the junction
box located inside the burner compartment.
To make electrical connections through the opposite side of the
furnace, the junction box must be relocated to the other side of
the burner compartment prior to making electrical connections.
To relocate the junction box, follow the steps shown in "Junction
Box Relocation."
NOTE: Wire routing must not to interfere with circulator blower
operation, filter removal or routine maintenance.

Junction Box Relocation

WARNING
Goodman 56
Edges of sheet metal holes may be sharp. Use gloves as
a precaution when removing hole plugs.
WARNING
Goodman 116
To prevent personal injury or death due to electric shock,
disconnect electrical power before installing or servicing
this unit.
WARNING
HIGH VOLTAGE!
Goodman 60
To avoid the risk of injury, electrical shock
or death, the furnace must be electrically
grounded in accordance with local codes or
in their absence, with the latest edition of the
National Electric Code (NEC).
Line voltage connections can be made through either the right or
left side panel. The furnace is shipped configured for a right side
electrical connection. To make electrical connections through the
opposite side of the furnace, the junction box must be relocated
to the left side prior to making electrical connections. To relocate
the junction box, perform the following steps.
1. Remove the burner compartment door.
2. Remove and save the 2 screws securing the junction box to
the side panel.
3. Relocate junction box and associated plugs and grommets to
opposite side panel.
4. Secure with screws removed in Step 2.
23

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