Manitowoc Indigo Series, Technician'S Handbook

Page: 126 / 270

126
Par
t Number
STH025
02/12
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 138 to eliminate problems and/or components not listed on this table before proceeding.
Suction pressure is
High
Suction pressure is
Low or Normal
Suction pressure is
High
Suction pressure is
High
Wait 5 minutes into the
freeze cycle.
Compare temperatures of
evaporator inlet
and
evaporator outlet.
Inlet _____________° F (°C)
Outlet ___________ ° F (°C)
Difference________ ° F (°C)
Inlet and outlet
within 7° F (4°C)
of each other
Inlet and outlet
not within 7° F (4°C)
of each other
-and-
Inlet is colder than
outlet
Inlet and outlet
within 7°F (4°C)
of each other
-or-
Inlet and outlet
not within 7°F (4°C)
of each other
-and-
Inlet is warmer than
outlet
Inlet and outlet
within 7°F (4°C)
of each other
SINGLE EXPANSION VALVE SELF CONTAINED AIR, WATER & REMOTE CONDENSER
Operational Analysis 1 2 3 4