INSTALLATION INSTRUCTIONS Gas Furnace: WFAR
34 440 01 7104 02
Specifications subject to change without notice.
Representative drawing only, some models may vary in appearance.
L12F024
OPTIONAL
J--BOX
LOCA-
TIONS
L12F025
J--BOX
MOUNTING
SCREWS
J--BOX
MOUNTING
BRACKET
GROUND
SCREW
J--BOX COVER
Figure 34 -- Installing J--Box (When Used)
COPPER
WIRE ONLY
ELECTRIC
DISCONNECT
SWITCH
ALUMINUM
WIRE
GROUND
NEUTRAL
LINE VOLTAGE
A11146
Figure 35 -- Field--Supplied Electrical Box on Furnace
Casing
24 V
Coil
To Humidifier Leads
To Com/24V Screw Terminal
on Thermostat Strip
To HUM Terminal On
Furnace Control Board
To Humidifier Leads
A11157
Figure 36 -- Field--supplied Isolation Relay for Humidifiers with Internal Power Supply
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