Suction Solenoid Valve; Line Set Isolation Valves - Manitowoc P Series Installation, Use And Care, And Service Manual

Service

SUCTION SOLENOID VALVE

FUNCTION
Allows refrigerant flow through the evaporator
during the freeze cycle, and prevents refrigerant
flow through the evaporator in the harvest and
auto shut-off cycles.
SPECIFICATIONS
Coil 115 volt 50/60 cycle.
CHECK PROCEDURE
1. Move the Ice/Off/Clean toggle switch to the
Ice position.
2. Attach voltmeter at the suction solenoid valve
coil, leaving wires attached. The meter reading
must be line voltage and the suction solenoid
valve must be open.
3. Move the Ice/Off/Clean toggle switch to the
off position.
4. The meter reading must be 0 volts and the
suction solenoid valve must be closed.
6-6

LINE SET ISOLATION VALVES

FUNCTION
Isolates ice machine evaporator from refrigeration
system.
Allows discharge and suction pressure readings to
be taken at the schraeder valve fitting.
SPECIFICATIONS
Liquid Line 1/4" inlet
1/4" outlet
Suction Line 1/2" inlet
1/2" outlet
CHECK PROCEDURE
Remove 3/4" cap to access valve.
To backseat valve (open):
Turn full counterclockwise.
To frontseat valve (closed):
Turn full clockwise.
Replace 3/4" cap assuring a tight seal to eliminate
possibility of refrigerant leakage.
Section 6