Cleveland oes-20.20 Manual Do Utilizador

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CLEVELAND RANGE OES 20.20 
SEQUENCE OF OPERATIONS 
 
 
When using these instructions refer to the OES 20.20 wiring schematic. 
 
1  When 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) 
2  When 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) 
c  With 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. 
3  When 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. 
b  The 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