Impinger I -–1000 Series Service Manual - Domestic58
TEMPERATURE CONTROL POTENTIOMETER - REPLACEMENT
1. Remove control panel to p and front cover.
2. Remove one screw from control knob guard and move guard to one side.
3. Remove knob and lock nut on control pot shaft and pushout.
4. Remove three (3) wires f rom temperature control board, note wire colors and location.
5. Install new control pot. in reverse order and check system operation.
6. NOTE: If temperature contr ol 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 f rom transformer (#21 and #23).
5. Remove wire from burner blower motor connector plug (requires pin extractor tool (#369600) (#73).
6. Remove nut and wash er from rear of relay assembly and remove assembly.
7. Install new relay in rever se order and check system operation.
TEMPERATURE CONTROL - REPLACEMENT - 1046-1047
1. Remove control panel to p and front cover.
2. Remove one screw from control knob guard and move guard to one side.
3. Remove temp. control k nob and locknut.
4. Remove six (6) wires fr om temperature control board , note wire colors and location.
5. Install new temperature co ntrol board in reverse order and check system operation.
RELAY, GAS CONTROL - REPLACEMENT - MODEL 1046,1047
1. Shut off power at main bre aker.
2. Remove control panel to p and front cover.
3. Remove cover from relay box.
4. Disconnect all wires an d mark for replacement.
5. Remove relay by rem oving two (2) mounting screw.
6. Reassemble in revers e order.
TIME DELAY RELAY, 20 MINUTE - REPLACEMENT
1. Remove control box top and front cover.
2. Disconnect all wires an d mark for replacement.
3. Remove center mounting s crew.
4. Reassemble in revers e order.
NOTE: Do not over tighten mounting screw as this may damage the internal
electronic components.