198 Part Number Preliminary 6/11
Safety Limits
Refer to “Analyzing Safety
Limits” page 134 to eliminate all
non refrigeration problems
Stops on Safety Limit:
2
Stops on Safety Limit:
1 or 2
Stops on Safety Limit:
2
Stops on Safety Limit:
1
Freeze Cycle
Discharge Pressure
________
________ ________
1 minute Middle End
If discharge pressure is High or Low refer to freeze cycle high or low discharge pressure problem
checklist page 166 & page 166 to eliminate problems and/or components not listed on this table before
proceeding.
Freeze Cycle
Suction Pressure
________
________ ________
1 minute Middle End
If suction pressure is High or Low refer to freeze cycle high or low suction pressure problem checklist
page 169 & page 169 to eliminate problems and/or components not listed on this table before
proceeding.
Suction pressure is
Normal or High
Suction pressure is
Low or Normal
Suction pressure is
Normal or High
Suction pressure is
High
Quad Expansion Valve – I3070C
Operational Analysis 1 2 3 4
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