Technical Manual 19
Water Inlet Components (cont.):
Sight Glass:
Connected to the steam tank by two tubes, the sight glass provides a visual
representation of the level of water in the steam tank. It should be about 1/2 to 2/3 full during
normal operation. This is a safety feature which enables the user to ensure that they have
sufcient water levels in their steam system.
Steam Inlet Check Valve:
See Brew tanks check valve description. (Page 17).
Steam Inlet Water Control Valve:
When the upper level probe detects an absence of water, it sends a signal to the CPU to open
this valve and allow water into the steam tank. The water then lls the tank until the
probe grounds out on the water, and the valve is then closed.
Steam Tank Inlet Fill Line: (Dual inlet machines only)
This is the incoming 3/8” steel braided line which supplies the steam tank with water.
Vacuum breaker:
Allows steam pressure to build above atmospheric pressure. As the element heats the water
in the steam tank, the pressure from the steam pushes an internal rod and o-ring up, sealing
the steam inside the tank. Pressure continues to build until the temperature probes sense
the temperatures are to the set points, then keeps this pressure inside for use in heating
milk, maintaining a hot water supply, and pre-heating the brew water in the heat exchanger
tubes.
HYDRAULIC SYSTEM
2011 2 Group Cyncra Inlet (right) side
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