Part Number STH042 7/15 95
Operational Analysis 1 2 3 4
Safety Limits
Refer to “Analyzing Safety
Limits” to eliminate all non-
refrigeration problems.
Stops on safety limit:
1 or 2
Stops on safety limit:
1
Stops on safety limit:
1 or 2
Stops on safety limit:
1
Freeze Cycle
DischargePressure
________ ______ ______
1 minute Middle End
If discharge pressure is High or Low, refer to freeze cycle high or low discharge pressure problem
checklist to eliminate problems and/or components not listed on this table before proceeding.
Freeze Cycle
SuctionPressure
________ ______ ______
1 minute Middle End
If suction pressure is High or Low refer to freeze cycle high or low suction pressure problem checklist to
eliminate problems and/or components not listed on this table before proceeding.
Suction pressure is
High
Suction pressure is
Low
Suction pressure is
High
Suction pressure is
High