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Viper Service Manual
© 2010, IMI Cornelius Inc. - 59 - Publication Number: 621360041TBSER
LIQUID LINE SOLENOID REPLACEMENT
The liquid line valves and solenoids, shown in Figure 51, are located near the
center of the unit on the right and left sides. Whenever a liquid line valve and
solenoid is replaced, the dryer should be replaced at the same time.
Figure 51. Liquid Line Solenoid (1 per barrel)
SYRUP PRESSURE SWITCH REPLACEMENT
The syrup pressure switches (Sold Out Indicators) are located along the left and
right sides of the unit near the front. There is one switch for each barrel in the
system. Figure 52 shows the syrup pressure switch on the left side of the unit.
To replace the syrup pressure switch, perform the procedure in Table 54.
8 Evacuate the system.
9 Restore the proper refrigerant charge to the system and verify proper system
operation.
Table 52
Step Action
Table 53
Step Action
1 Disconnect power from the unit.
2 Remove the side panels.
3 Reclaim refrigerant from the system.
4 Carefully unwrap the foam insulation from around the valve and solenoid.
5 Remove the liquid line valve and solenoid.
6 Replace the liquid line valve and solenoid and insulation.
7 Replace the filter-dryer.
8 Evacuate the system.
9 Restore the proper refrigerant charge to the system and verify proper system
operation.
Liquid Line
Solenoid