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USER GUIDE
System Diagnosis Guide 1
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SAFETY • I NSTALLATION & INTEGRATION • OPERATING I NSTRUCTIONS • MAI NTENANCE • SERVI CE
Syst em Diagnosis Guide
REFRI GERATI ON SYSTEM DI AGN OSI S GUI DE
Syst e m
Condition
Suct ion
Pre ssur e
Suct ion
Lin e
Com pr e ssor
Discha rge
Condense r Capillar y
Tube
Eva por at or W at tage
N orm al Normal Slightly below
room
temperature
Very hot Very hot Warm Cold Normal
Over char ge Higher than
normal
Very cold may
frost heavily
Slightly warm
to hot
Hot to warm Cool Cold Higher than
normal
Unde r cha r ge Lower than
normal
Warm-near
room
temperature
Hot Warm Warm Extremely cold
near inlet -
Outlet below
room
temperature
Lower than
normal
Part ia l
Re st r iction
Somewhat
lower than
normal vacuum
Warm - near
room
temperature
Very hot Top passes
warm - Lower
passes cool
(near room
temperature)
due to liquid
Room
temperature
(cool) or
colder
Extremely cold
near inlet -
Outlet below
room
temperature
backing up
Lower than
normal
Com plet e
Re st r iction
In deep
vacuum
Room
temperature
(cool)
Room
temperature
(cool)
Room
temperature
(cool)
Room
temperature
(cool)
No refrigeration Lower than
normal
N o Ga s 0 PSIG to 25" Room
temperature
(cool)
Cool to hot Room
temperature
(cool)
Room
temperature
(cool)
No refrigeration Lower than
normal
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