26
MAINTENANCE AND SERVICING
Warning
Disconnect furnace from power
supply before servicing.
To Replace Solid State Relay
1. Place furnace upside down and remove the
bottom cover.
2. Disconnect the wires from the solid state
relay. Identify or mark the wires disconnect-
ed to ensure proper placement and connec-
tion when re-installing.
3. Remove solid state relay from bottom cover.
Note placement of solid state relay.
4. Install new solid state relay and reconnect
wires.
5. Replace bottom cover and place furnace
upright.
6. Reconnect furnace to power supply.
To Replace Controller
1. Place furnace upside down and remove
bottom cover.
2. Disconnect wires from the controller.
Identify or mark wires disconnected to
ensure proper placement and connection
when re-installing.
3. Remove the controller from bottom cover.
4. Install new controller and secure.
5. Reconnect wires identified in step 3 to new
controller.
6. Replace bottom cover and place furnace
upright.
7. Reconnect furnace to power supply.
Warning
Disconnect furnace from power
supply before servicing.
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