Impinger I -–1000 Series Service Manual - Domestic54
Dip Switch
1 2 3 4 5 6 7 8 9 10
TYPE I OFF OFF OFF ON OFF OFF
TYPE II OFF OFF OFF OFF OFF OFF
TYPE III OFF OFF O FF O FF OFF OFF OFF ON OFF ON
NOTE: When on 50 HZ power, dip switch #2 must be "ON"
With power ON turn time and temperature cal. pot. fully counterclockwise.
Display should read: (Wait 15-20 seconds)
TYPE I 9:30 + 10 sec.475 + 10°F
TYPE II 9:20 + 10 sec. HHH
TYPE III 9:35 + 10 sec. 635 + 10°F
Turn time and temp. cal. pot. fully clockwise.
Display should read: (Wait 15-20 seconds)
TYPE I 10:20 + 10 sec. 615 + 10°F
TYPE II 10:10 + 10 sec. 475 + 10°F
TYPE III 10:20 + 10 sec. 475 + 10°F
Turn time pot. to 10:00 minutes and temp. pot. to 540°F.
Time reading 10:00 ± 5 seconds.
Temperature reading should be steady at 540°F + 10°F.
If these readings are not achieved, replace display.
NOTE: After simulator test is completed, the oven Time/Temperature Displa y must be re-calibrated.
SWITCH REPLACEMENT (FAN, HEAT, CONVEYOR)
1. Shut off power at main bre aker.
2. Remove control panel to p and front cover.
3. Remove switch acces s cover.
4. Depress the spring clips on the sides of the switch and push out.
5. Remove wires from back of switch. Note wire number and location.
6. Install new switch in rev erse order and check.
SWITCH REPLACEMENT - (FAN SWITCH UPDATE)
INSTALLATION OF DOUBLE POLE FAN SWITCH #369260 IN PLACE OF SING LE POLE
FAN SWITCH #350705
NOTE: This change is not necessary for proper operation of oven nor is it
permissible to change under warranty. Should be chang ed only at
customer's request and their agreement to pay your b ill.
ADVANTAGE: Allows time/temp. display, in older models, to operate same as current
production models. Also allows locked time/tem p. display (caused by
voltage surge, interruption or spike) to be reset by fan switch rather than
circuit breaker.
IDENTIFICATION: To determine which fan switch you have, observe if temperature displays
stays on during cooling down. If it stays on , you have the single pole
switch. If it goes out as soon as fan switch is turned off you have the d ouble
pole switch.
REPLACEMENT: Replace single p ole switch # 350705.
Install double pole switch # 369260.
Disconnect lead indicated by # in proper diagram and reroute as shown.
Install jumper lead indicated by * in proper diagram.
Reapply all other leads as removed.