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Optional
Single Circuit
Adaptor Kit
Circuit Breaker
Bracket
60A
60A
ON
ON
OFF
OFF
Circuit
Breaker
Wire
Assemblies
(Factory
Installed)
Supply Service
Wire Connection
With Single Circuit
Adaptor Kit
6. Connect service ground wire(s) to grounding
lug(s) provided. One ground is required for
each supply circuit used.
WARNING:
To avoid personal injury or property
damage, make certain that the motor
leads cannot come into contact with
non-insulated metal components of
the unit.
Blower Installation:
1. Turn off all electrical supply circuits to the
furnace at the main service panel.
2. Remove furnace front door and switch
furnace circuit breaker(s) to “OFF”.
3. Disconnect the motor plug from the control
panel receptacle.
4. Remove one screw from left side of blower
and three screws from right side of blower;
slide blower forward and remove.
Figure 20. Installation of Optional Single Circuit Adaptor Kit
Figure 21. Installation of Supply Service Wires
5. Install new blower ensuring the side fl anges
engage under side mounting tabs (three on
one side, one on the other) and the long tab
in the rear.
6. Replace screws previously removed from
blower.
7. Connect the motor plug to the control panel
receptacle.
8. Switch circuit breaker(s) to “ON”, reinstall
furnace front door, and turn on electrical
supply circuits to the furnace.
Selecting Blower Speed
See Table 5 for the lowest speed approved for
the heating output of the unit. Since the blower
leads connect to the control box, blower speed
selection is accomplished through use of the
proper color-coded blower lead located inside
the control box. The speed(s) set by the factory
may be different from that shown on the wiring
diagrams. See the unit control box for blower
speed(s) set at factory.
60A
60A
ON
ON
OFF
OFF
Circuit
Breaker
Wire
Assemblies
(Factory
Installed)
Supply Service
Wire Connection
Without Single
Circuit Adaptor Kit
Circuit Breaker
Bracket