Viper Low overrun Service Manual
Publication Number: 621360241LOEWSE - 52 - © 2016, Cornelius Inc.
HOT GAS SOLENOID REPLACEMENT
The hot gas valves and solenoids, shown in Figure 45, are located near the center of the unit on the right and left
sides. Whenever a hot gas valve and solenoid is replaced, the dryer should be replaced at the same time. Perform
the procedure in Table 55 to replace the solenoid.
Figure 45. Hot Gas Solenoid (1 per barrel)
LIQUID LINE SOLENOID REPLACEMENT
The liquid line valves and solenoids, shown in Figure 46, 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. To
replace the liquid line solenoid, perform the procedure in Table 56.
Figure 46. Liquid Line Solenoid (1 per barrel)
Table 55.
Step Action
1 Disconnect power from the unit.
2 Remove the side panels.
3 Reclaim refrigerant from the system.
4 Carefully remove the insulation and remove the hot gas valve and solenoid.
5 Replace the hot gas valve and solenoid.
6 Replace the insulation around the valve and solenoid.
7 Replace the filter-dryer.
8 Evacuate the system.
9
Restore the proper refrigerant charge to the system and verify proper system
operation.
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