Scotsman AC-EC 57 Service Manual page 32

Page 32
PWD SYSTEM (EC version only)
COMPONENTS
The components of the Pump Out Water Drain
System are
• Sealed water tank
• PC Board & Sensor
• Sealed Water Pump
• Check Valve
OPERATION
All water coming from the overflow, and from the
melted ice is collected inside the Sealed Water
Reservoir.
As soon as the water into the Sealed Water
Reservoir reaches the maximum level, the two
metal pins close the electrical contact through
the water, transmitting a low voltage current to
the PC Board.
The PC Board activates the Water Drain
Pump for 8 seconds pumping out most of
the water contained into the Sealed Water
Reservoir.
The water can be pumped out up to 1.5 m rise
or
POWER
WATER INLET
WATER DRAIN
to 30 m on horizontal length.
POWER
WATER INLET
WATER DRAIN
A Check Valve, located on the water drain hose,
prevents the coming back of the discharged
water.
Page 32
HAND DISCONNECT
SWITCH
WATER
VALVE
WATER
FILTER
HAND DISCONNECT
SWITCH
WATER
VALVE
WATER
FILTER