Cleveland Range OES-20.20, OEB-20.20 manual Cleveland Range Oes Sequence Of Operations

Models: OES-20.20 OEB-20.20

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CLEVELAND RANGE OES 20.20

SEQUENCE OF OPERATIONS

When using these instructions refer to the OES 20.20 wiring schematic.

1When incoming power (220 VAC) is connected to the combi, 220 VAC is sent to a The contacts 2,4 and 6 of the Safety Contactor (KO)

b The terminals 2 and 5 of the Control Power Switch (S1)

2When the Control Power Switch (S1) is turned on (closed) a The red light on the switch is energized.

b Incoming power (220 VAC) is sent through the 2A fuses (F1.1 and F1.2) to

The 12 vdc power supply (G1)

12vdc is sent to terminals 3 and 4 of the connector X10 on the Control Board (A10)

Terminal 1 of connector X12 on the Control Board (A10)

Terminal 10 of connector X13 on the Control Board (A10)

The return of the Supply is sent to terminal 7 of connector X13 on the Control Board (A10)

cWith 220 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.

3When the ON/OFF is depressed with the combi in the steam mode with time on the timer, the door closed and the start switch is depressed

a The front display will include a lighted bar under the steam symbol

When the heat circuit is energized the heat symbol will be energized

The cooking mode symbol will be energized.

The time display will invert and begin to count down.

bThe fan circuit is energized

If the combi fan is in the normal setting 220 VAC is sent from terminal 5 on connector X11 through the normally closed auxiliary contacts of contactor K57 to the coils of contactor K56 and contactors K55.1 for the upper motor and K55.2 for the lower motor

The K56 contactor closes sending 220 VAC through the Q56.1 overload to the motors.

The K55.1 contactor closes completing the high speed circuit to the upper motor and the upper motor turns at a high speed.

The K55.2 contactor closes completing the high speed circuit to the lower motor and the lower motor turns at a high speed

Page 59
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Cleveland Range OES-20.20, OEB-20.20 manual Cleveland Range Oes Sequence Of Operations