Hitachi RAS-4.0TNESNH1 - 3 Checking Components; Check Refrigerant System

3. Chec
k
3.1 Che
c
TEST SYS
T
Con
d
Tool:
Tec h
n
3.CHECKING COMPONENTS
k
ing com
c
k refrig
e
T
EM FLO
W
d
itions: ①
C
②
T
Pressure
G
n
ique: ①
s
SEE
FEEL
TEST
ponents
e
rant sys
t
W
C
ompressor
T
he air con
d
G
auge
s
ee ② f
e
----- Tub
e
----- The
d
----- Test
t
em
is running.
d
ition should
e
el ③ test
e
defrost.
d
ifference
b
pressure.
d
be installe
d
b
etween tub
e
d
in good v
e
e
’s tempera
t
ntilation.
t
ure.
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