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Impinger I -–1000 Series Service Manual - Domestic58
TEMPERATURE CONTROL POTENTIOMETER - REPLACEMENT
1. Remove control panel top and front cover.
2. Remove one screw from control knob guard and move guard to one side.
3. Remove knob and locknut on control pot shaft and pushout.
4. Remove three (3) wires from temperature control board, note wire colors and location.
5. Install new control pot. in reverse order and check system operation.
6. NOTE: If temperature control knob is type with temperature numbers on it, adjust it to
agree with the time/temp. display for knobs with reference numbers only, #9 is
500°F/260°C.
RELAY ASSEMBLY, BURNER BLOWER MOTOR - REPLACEMENT
1. Remove control box top and front cover.
2. Remove cover from relay box.
3. Remove wire from ignition control (#20).
4. Remove two (2) wires from transformer (#21 and #23).
5. Remove wire from burner blower motor connector plug (requires pin extractor tool (#369600) (#73).
6. Remove nut and washer from rear of relay assembly and remove assembly.
7. Install new relay in reverse order and check system operation.
TEMPERATURE CONTROL - REPLACEMENT - 1046-1047
1. Remove control panel top and front cover.
2. Remove one screw from control knob guard and move guard to one side.
3. Remove temp. control knob and locknut.
4. Remove six (6) wires from temperature control board , note wire colors and location.
5. Install new temperature control board in reverse order and check system operation.
RELAY, GAS CONTROL - REPLACEMENT - MODEL 1046,1047
1. Shut off power at main breaker.
2. Remove control panel top and front cover.
3. Remove cover from relay box.
4. Disconnect all wires and mark for replacement.
5. Remove relay by removing two (2) mounting screw.
6. Reassemble in reverse order.
TIME DELAY RELAY, 20 MINUTE - REPLACEMENT
1. Remove control box top and front cover.
2. Disconnect all wires and mark for replacement.
3. Remove center mounting screw.
4. Reassemble in reverse order.
NOTE: Do not over tighten mounting screw as this may damage the internal
electronic components.