SUNWARD SWE50E - Page 97

OPERATION & MAINTENANCE MANUAL SWE50E/SWE60E/SWE70E/SWE80E9/SWE100
89
Refrigerant
filling
amount
Fluid inspection lens
Other conditions
note
photos/figures
Condition description
The
moment
of start
working
After
shut
down
Too much
Fluid inspection lens is
clear with no bubble at
the moment of start,
working or after shut
down.
Air outlet is not cold
enough, condenser
inlet is very hot and
the condenser outlet is
like the environment
temperature, the
pressure at both sides
is high (especially the
high pressure side)
Check
and
release
the
excessive
refrigerant
Slightly
much
Fluid inspection lens is
clear with no bubble,
bubble appears at start
and 10 minutes after
shut down.
no need to
check and
repair
Proper
amount
Fluid inspection lens is
clear with no bubble
when working, a few
bubbles appear at start
and in 10 seconds after
shut down.
Air outlet is cold,
condenser inlet is
very hot, condenser
outlet is hot or warm,
air intake duct is cold
with normal pressure
at both sides.
Slightly
insufficient
A few bubbles appear
during work