Manitowoc I0320

Part Number STH038 5/12 97
Suction Line Temperature
3 minutes into the freeze
cycle
Normal or High Normal or High Low Normal or High
Freeze Cycle
Suction Temperature
_______ ______ _____
1 minute Middle End
If suction temperature is High or Low refer to freeze cycle high or low suction temperature problem
checklist page 109 to eliminate problems and/or components not listed on this table before proceeding.
Suction temperature is
High
Suction temperature is
Low or Normal
Suction temperature is
High
Suction temperature is
High
Wait 5 minutes into the
freeze cycle.
Compare temperatures of
evaporator inlet and
evaporator outlet.
Inlet _____________°C
Outlet ___________ °C
Difference________ °C
Inlet and outlet
within 4°C
of each other
Inlet and outlet
not
within 4°C
of each other
-and-
Inlet is colder than
outlet
Inlet and outlet
within4°C
of each other
-or-
Inlet and outlet
not
within 4°C
of each other
-and-
Inlet is warmer than
outlet
Inlet and outlet
within 4°C
of each other
SINGLE EXPANSION VALVE SELF CONTAINED AIR and WATERCOOLED CONDENSER
Operational Analysis 1 2 3 4