Gas leak check
Gas leaks⇒Repare the gas leaking portion
NO
Is the difference in pressure
between the ports w and t 1000 kPa
or more?
Clogged section between the ports
w
and
t
or DRP operation is faulty⇒Replace the DPR
NO
Is the difference in pressure
between the ports t and e 100 kPa
or more?
Blocked section between the ports
t
and
e
or blocked LSV⇒Replace the LSV
NO
Is the difference in
temperature of the pipe in front of
and that back of dryer filter 5˚C
or more?
Check for clog in a dryer⇒Replace the dryer
NO
Check for
entering of air referring
to clause 4.1.4 (2)
Air is entering⇒Replace refrigerant
NO
Is the difference in pressure
between the pressure gauge and
HPT 100 kPa or more?
Faulty HPT⇒Replace the HPT
NO
Gas shortage⇒Replace the refrigerant
Note: Recover refrigerant when
replacing it
YES
YES
YES
YES
YES
YES
To Next Page
Loading...
