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UGH016/0500 Series 1 Portable Chillers, TIC Control
TROUBLESHOOTING 6-23
Check the continuity within the switch
and make sure it corresponds to the following conditions:
4
Item
High Pressure Switches (PS-2)
Low Pressure Switches (PS-1)
Description
Cut out @ 300 PSIG on rise
Cut out at 28 PSIG on fall
Cut in at 43 PSIG on rise
If required, check the switch with a refrigeration gauge. If
the switch does not change, as listed in this table, when
compared to a refrigeration pressure gauge, the switch is
faulty. Replace the switch.
C
HECKING
PRESSURE
SWITCHES
CONT’D