54
Systems, Controls and Operations
Model C602
040608
Draw Soleno id (059462)
The Draw Valve Solenoid has a 187 Volt DC coil.
The coil is energized by direct current supplied from
the rectifier board passing through the Pull and Hold
Relays to open the draw valve.
The Pull and Hold coil windings are powered to raise
the draw valve. The Pull windings are only
momentarily powered to raise the plunger. The Hold
windings remain powered to hold the draw plunger in
the raised position.
The height of the solenoid coil must be properly set
pull up the plunger. (See Dispensing mechanism
Alignment Procedure on page 97.)
Rectifier Board (X59290)
The Dual Bridge Rectifier Board converts alternating
current to direct current for energizing the draw
solenoid coil. The board receives input voltage when
power is supplied to the machine. The output
voltage (DC) will be approximately 1.414 times
higher then the Input voltage (AC)
Output Voltage = 1.414 X Input Voltage.
Example: 210 VAC input x 1.414 = 297 VDC output
Note: The output voltage will drop under a load
(draw solenoid energized).
Pull and Hold Relays (077164-02)
The Pull and Hold Relays have a 12 VDC coil that is
energized to pass power through the contacts to the
draw solenoid. Both relays are energized
simultaneously when dispensing a shake.
The Pull Relay coil receives 12 VDC from the Soft
Serve Interface Board (J5) and is momentarily
energized to raise the plunger. The Hold relay
receives 12 VDC from the Shake Interface Board
(J5) and remains energized to hold the plunger in
the raised position.
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