CLEVELAND RANGE OGB 20.20
SEQUENCE OF OPERATIONS
When using these instructions refer to the OGB 6.20 wiring schematic.
1
When 120 VAC is applied to the combi, it is sent to the Power Control Switch (S1).
2
When the Power Control Switch (S1) is closed
a
The red light in the switch is energized.
b
120 VAC is sent through the line filter (Z1) then through the 20 amp fuse (F10.1)
to terminal L1 on the Motor Drive (U10.1)
c
120 VAC is sent through the line filter (Z2) then through the 20 amp fuse (F10.2)
to terminal L1 on the Motor Drive (U10.2)
d
120vac is sent through the 2 amp fuse (F1.1) to
•
To terminals 1 and 2 of connector X1 on the Upper Hot Air Power Burner
Control (U20)
•
To terminals 1 and 2 of connector X1 on the Steam Power Burner Control
(U21)
•
To terminals 1 and 2 of connector X1 on the Lower Hot Air Power Burner
Control (U22)
•
The 12 VDC Power Supply (G1)
◊
12 VDC is sent to terminals 1 and 2 of connector X28 on the Gas Board
(A20)
◊
12 VDC is sent to terminal 3 and 4 of connector X10 on the Control Board
(A10)
•
To terminal 1 of connector X12 on the Control Board (A10)
e
With 12 VAC to the Control Board (A10) The Operation Board (A11) is
energized
•
An alarm will sound for one second
•
All the LED’s and the display will energize one at a time.
•
“STARTING” will be displayed for 3 seconds
•
“Please wait” will be displayed
•
The international model number will be displayed
•
The time and date will be displayed and this will continue until the on/off
switch is depressed.
3
When the ON/OFF is depressed with the combi in the steam mode
a
After a date change (the first time the combi is turned on) the display will ask
“Generator Flush?”. If no answer is given in 10 seconds or a yes is indicated the
flush will begin.
•
120 VAC is sent from terminal 1 of connector X13 on the Control Board
(A10) to the Generator Pump (M4).
•
As the water level drops below the probes the fill solenoid (Y3) will energize.
This rocking of the water will help flush scale from the generator.
