Manitowoc SD0672C, Technician'S Handbook

Page: 141 / 298

Part N
u
mber 80
-1505-
3 6/11
141
Safety Limits
Refer to “Analyzing Safety
Limits” page 125 to eliminate
all non-refrigeration
problems.
Stops on safety limit:
1 or 2
Stops on safety limit:
1 or 2
Stops on safety limit:
1 or 2
Stops on safety limit:
1
Freeze Cycle
Discharge Pressure
_______ ______ ______
1 minute Middle End
into cycle
If discharge pressure is High or Low refer to freeze cycle high or low discharge pressure
problem checklist page 157 & page 158 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 160 & page 161 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
Normal or High
Suction pressure is
High
Harvest Valve
Audible refrigerant flow
through left or right valve
in Freeze cycle
No audible
refrigerant flow through
left or right valve in
Freeze cycle
No audible
refrigerant flow through
left or right valve in
Freeze cycle
No audible
refrigerant flow through
left or right valve in
Freeze cycle
S QuietQube Models Single Expansion Valve
Operational Analysis 1 2 3 4