Purging Procedures, Leak Test, And Test Run - Mitsubishi Electric MSZ-HR25VF Installation Manual

4. PURGING PROCEDURES, LEAK TEST, AND TEST RUN

4-1. PURGING PROCEDURES AND LEAK TEST
) em e ser ice rt ca st al e n the side
al es are ully cl sed and c ered in ca s in initial state )
) nnect gauge mani ld al e and acuum um t ser ice
i e side the utd r unit
al e stem (inside)
t al e ca
( r ue t
l se
N•m
en
t 3 kg •cm)
e ag nal wrench
er ice rt ca
( r ue 3 t
N•m t
kg •cm)
Precauti ns when using the c ntr l al e
<R32>
en
ake sure t re-
l se
lace the ca a ter
al e
the erati n
3) un the acuum um ( acuumi e until
) heck the acuum with gauge mani ld al e then cl se gauge mani ld al e and st
the acuum um
) ea e as it is r ne r tw minutes
in the same siti n n rm that ressure gauge sh ws
mm g)
) em e gauge mani ld al e uickly r m ser ice
risks before opening the stop valves.
) ter re rigerant i es are c nnected and e acuated ully
al es n th sides gas i e and li uid i e y the he ag nal wrench I the al e
stem hits the st er d n t turn it any urther
the er rmance and this causes tr u le
) e er t -3 and charge the rescri ed am unt
sl wly with li uid re rigerant therwise c m
e changed and a ect er rmance
) ighten ca ser ice rt t tain the initial status
) eak test
the utd r unit gas i e ( he st
rt st
m und ressure gauge
Pa
( r 3
( mm g)
Pressure gauge
( r 3
t al e
r I I
Gauge mani ld al e
( r 3
andle
w
andle igh
harge h se
t al e r
( r 3
G
da ter r
re enting the
ack w acuum um ( r the acuum
um with the uncti n t
re ent the ack
When attaching the c ntr l al e
t the ser ice rt al e c re may
de rm r l sen i e cess ressure
is a lied his may cause gas leak
When attaching the c ntr l al e t
er ice rt the ser ice rt make sure that the
al e c re is in cl sed
then tighten art
dy
art r turn the dy when al e
harge
ntr l
h se
c re is in en siti n
micr ns is achie ed )
ake sure inter gauge mani ld al e remains
Pa Gauge (
rt st al e
WARNING
en the al e stem
erating with ut ully
re rigerant i needed
siti n the re rigerant in the system may
the air c nditi ner
4-2. TEST RUN
) Insert wer su
reaker
al e n the gas ) Press the
est run will e er rmed
erati n indicat r links e ery
utd r unit c nnecting wire ( )
)
emergency m de (set tem erature
3) st erati n
)
lam s turn
) hecking the rem te (in rared) signal rece ti n
)
• Press the
check that an electr nic s und is heard r m the ind
Press the
)
• nce the c m ress r st
erates s the c m ress r will n t
r tect the air c nditi ner
4-3. AUTO RESTART FUNCTION
his r duct is e ui
w)
during erati n such as during lack uts the uncti n aut matically starts
the re i us setting nce the
r details )
Caution:
• ter test run r rem te signal rece ti n check turn
the rem te c ntr ller e re turning
unit t start
siti n and
To the user
n t tighten
• ter installing the unit make sure t e
• I aut restart uncti n is unnecessary it can e deacti ated
re resentati e t deacti ate the uncti n
4-4. EXPLANATION TO THE USER
• sing the P
(h w t use the rem te c ntr ller h w t rem
r erati n etc )
• ec mmend the user t read the
all st
ening l wers
e sure t charge
ly lug int the wer utlet and r turn n the
W nce r and twice r
r 3 minutes I the u er lam
sec nds ins ect the ind
r mis-wiring ter the test run
) will start
ress the W se eral times until all
e er t erating instructi ns r details
FF N utt n n the rem te c ntr ller (3) and
FF N utt n again t turn the air c nditi ner
s the restart re enti e de ice
erate r 3 minutes t
ed with an aut restart uncti n When the
wer su ly is resumed ( e er t the
the wer su
erati n aut matically when wer su
lain the user a
e er t the ser ice manual
ING IN I N e lain t the user h w t use the air c nditi ner
e the air lters h w t clean
P ING IN
erati n
the
r
mergency erati n
switch ( W)
r unit
wer su ly is st ed
erati n in
erating instructi ns
the unit with the W r
ly N t d ing s will cause the
ly is resumed
ut aut restart uncti n
nsult the ser ice
r details
recauti ns
I N care ully