Pg 5 – Cleveland Range Convotherm Combination Oven-Steamer Electric 6.20 User Manual

Page 73

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◊ The normally closed auxiliary contact of K4 opens preventing the Steam

Contactor K1 from energizing

• 220 VAC is sent from terminal 7 of connector X11 on the Control Board

(A10) to the coil of Contactor K44 until the cabinet reaches the set
temperature.
◊ The contactor K44 closes and the third leg of 220 VAC is sent to the 18

KW element (E4)

◊ If the reduced power option is chosen then the K44 Contactor is not

energized.

d

When the condensate box is heated to 140 degrees F at the B3probe, 220 VAC is

sent from terminal 5 of connector X12 to the condenser valve (Y1) until the
temperature drops.

e

If the “Crisp and Tasty” mode is selected

• 220 VAC is sent from terminal 6 of connector X12 on the Control Board

(A10) to the Dehumidification Valve (Y2) to pull the humidity out of the
cabinet down the drain.
◊ In the light and medium modes (one and two drops in the display) the Y2

valve will be energized until the bypass probe (B5) is satisfied.

◊ In the full mode (3 drops in the display) the Y2 valve will be energized

continuously.

f

When the timer counts to 0 or the core temp probe (B10) reaches the set amount

the cycle ends and the steam generator reverts to the standby temperature of 190-
degree F.

6

With the combi in the Combi 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 combi 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 contactors K55 and K56
◊ The K55 and K56 contactors close sending 220 VAC through the Q56

overload to the motor and the motor turns at a high speed.

◊ The normally closed auxiliary contacts of both K55 and K56 open

preventing the K57 contactor from energizing.

• If the combi fan is in the reduced setting 220 VAC is sent from terminal 6 on

connector X11 through the normally closed auxiliary contacts of contactors
K55 and K56 to the coil of contactor K57
◊ The K57 contactor closes Sending 220 VAC through the Q57 thermal

overload to the motor and the motor turns at a reduced speed.

◊ The normally closed auxiliary contacts of K57 open preventing the K55

and K56 contactors from energizing.

65

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