THIS PROCEDURE MUST BE PERFORMED BY A QUALIFIED TECHNICIAN.
WARNING
HAZARDOUS VOLTAGE: Risk of electric shock. Can cause injury or death. Heater may be connected to more than one branch circuit. Disconnect power to all circuits before servicing.
HIGH TEMPERATURE: Risk of personal injury. Internal components and surfaces can be hot. Use caution when servicing the heating system.
Part Numbers:
Item #1021037R-240 Blower 2000/3100/4100 240V Repl
Disconnect Power
De-energize the system and remove the blower access cover (Figure 4).
Disconnect Black Wire
Disconnect the black core blower wire from the black/yellow wire.
Remove Blue/Black Wire
Disconnect the blue/black wire from the base temperature limit switch.Remove Blower
Remove the core blower mounting screw and slide the core blower out (Figure 5).
NOTE: Use caution to not damage wiring when moving the plates.
Figure 8:
Remove White Wire
Disconnect the white wire from the base temperature limit switch.
Remove Bracket from Motor
Remove the base temperature limit switch mounting bracket from the core blower.
Attach Bracket
Attach the mounting bracket to the new core blower.
NOTE: The mounting bracket MUST be mounted to the bottom portion of the core blower so the base temperature limit switch faces the front of the heating system (Figure 6).
Figure 6:
Reconnect Limit Wire
Connect the white core blower wire to the base temperature limit switch.
Install Blower
Slide the new core blower into place. Secure blower and ground wire with the mounting screw (Figure 5).
NOTE: To ensure proper operation and prevent blower vibration, the core blower MUST be mounted securely.
Reconnect Wires
Connect the black core blower wire to the black/yellow wire and connect the blue/black wire to the base temperature limit switch.
Verify Locations
Verify Location 94 (L094) is set to the value of 195. If 208V application, Location 28 (L028) must be set to 10. For information on how to access location values, click here.
Check Blower
Install the blower access cover, energize the system, and ensure proper operation.