Scotsman EC 45 Service Manual page 28

Page 28
PWD SYSTEM
COMPONENTS
The components of the Pump Out Water Drain
System are
• Sealed water tank
• Special Interface PC Board & Sensor
• Special Sealed Water Pump
• Check Valve
OPERATION
All water coming from the overflow, the purge
valve and 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 Special Interface PC Board.
The interface 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
Page 28
HAND DISCONNECT
SWITCH
WATER
VALVE
WATER
FILTER
HAND DISCONNECT
SWITCH
WATER
VALVE
WATER
FILTER