Service Handbook OEB/OES/OGB/OGS
2.3 Basic settings (parallel to cooking programmes)
2.3.1a Standby mode for units with steam generator
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Information:
After switching on, the steam generator 4 is automatically filled with water and
preheated.
Solenoid valve Y3 7 opens; water flows through the injection nozzle 10 and
the back flow protection 9 in the steam generator 4.
The water level rises. When the shorter water level probe is reached (B1 - bl)
2 the solenoid valve closes Y3 7 and the contactors K1, K2 and K3 switch the
steam generator immersion heating element 5 on, as in Gas units the
automatic firing N21 switches the steam generator burner 6 on.
The opening and closing of the solenoid valve Y3 7 maintains the correct
water level during operation via the water level probe (B1 - bl) 2.
The water in the steam generator is preheated to 80 - 90 °C.
The preheating probe B4 3 in the settling chamber 1 monitors the minimum
temperature.
AS/11-2011 2_03_01e_Standby mode_b
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