PILOT
LINE 
CONNECTION
MANIFOLD ADJUSTMENT
SCREW LOCATED UNDER
COVER SCREW
FRONT VIEW
MANIFOLD PRESSURE
ADJUSTMENT CONNECTION
MANIFOLD ADJUSTMENT
SCREW LOCATED UNDER
COVER SCREW
TOP VIEW
MANIFOLD PRESSURE - ADJUSTMENT
1.Remove control panel top and front cover.
2.WITH ELECTRIC POWER AND GAS OFF: remove the outlet pressure tap plug from the gas control valve and install the adapter fitting and manometer.
3.Turn on electric power and gas and
4.With oven at full fire, manifold pressure should be (3.5" W.C. NAT/ 10" W.C. LP)
If adjustment is needed, remove cover screw from valve body and adjust by turning regulator screw. (C.W. to increase, C.C.W. to decrease).
5.Turn off electric power and gas, replace cover screw, remove manometer and adapter; replace pressure tap plug.
6.Check pressure tap for gas leaks before closing panel.
7.Close control panel and check system operation.
SOLENOID VALVE
1.Shut off power at main breaker.
2.Shut off gas supply.
3.Remove control panel top and front cover.
4.Remove gas control valve (See "GAS CONTROL VALVE")
5.Disconnect wires from solenoid valve.
6.Remove two (2) hex nuts that hold main orifice bracket in place.
7.Remove solenoid valve assembly.
8.Remove piping from solenoid valve.
9.Reassemble in reverse order.
10.Check all fittings for leaks.
ELECTRONIC TEMPERATURE CONTROL - REPLACEMENT
1.Shut off power at main breaker.
2.Remove control panel top and front cover.
3.Remove one screw from control knob guard and move guard to one side.
4.Remove knob and lock nut on control pot. shaft and push out.
5.Remove six (6) wires from temperature control. Note wire numbers and location.
6.Reassemble in reverse order.
NOTE: All electronic temperature controls are preset and calibrated at the factory and no field adjustment is required other than aligning the temperature control knob to the scale on front panel. Place a temperature sensor in the center of the oven between top two middle fingers and set temperature control to 500°F, allow temperature to stabilize (approx. 30 min.) and adjust knob to actual temperature.
24 | Impinger I – 1400 Series Advantage Service Manual - Dom & Int’l |