Service Handbook OEB/OES/OGB/OGS
2.4 Safety Settings (parallel to cooking programmes)
2.4.1 Door safety switch and Motor break
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1 = Control mod
ule SM
2 = Fan motor
3 = Convection heat exchanger
4 = Convection heating
5 = Direct injection
6 = Immersion heating unit
7 = Steam generator heat exchanger
8 = Door latch
9 = Door catch
10 = Worm (Door handle locking
mechanism)
11 = Door magnet
12 = Door contact switch
i
Information:
When the door moves from the closed setting [I] (Door latch 8 is vertical) to the
airing setting [II] (Door latch 8 is horizontal), the door magnet 11 (in the inner worm
10) removes itself from the door contact switch 12 in the door catch 9. Via the
electronic 1 , a contactor through the phase angle rotation breaks the motor (only
when the motor has been switched on a minimum of 5 seconds before) and the
electric supply to the following processes is interrupted:
Motor 2 with fan (Contactors K5, K50, K55, K56, K57)
Co
nvection heating 3 (Contactors K4, K41, K42, K6, K61, K 62) in Electric units
Immersion heating element Steam generator 4 (Contactors K1, K2, K3) in
Electric units
Conve
ction burner 3 (Automatic firing N20, N22) in Gas units
Steam generator burner 5 (Automatic firing N21) in Gas units
Solenoid valve Y4 (Water supply to injection 6) in OES and OGS
AS/11-2011 2_04_01e_Door safety switch and Motor break_b
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