Outdoor Unit Installation - Mitsubishi Electric MSZ-HR25VF Installation Manual

3. OUTDOOR UNIT INSTALLATION

3-1. CONNECTING WIRES FOR OUTDOOR UNIT
) en the ser ice anel
) sen terminal screw and c nnect ind
the ind r unit c rrectly n the terminal l ck
the wire t the terminal l ck securely s that n
e ternal rce is c n eyed t the c nnecting secti n
3) Firmly tighten the terminal screws t
ull the wires lightly t c n rm that they d n t m
) nnect wer su ly c rd ( )
) Fi ind r utd r unit c nnecting wire ( ) and
) l se the ser ice anel securely
mm
3 mm
ead wire
erminal l ck
Ind r utd r unit
c nnecting wire ( )
• ake earth wire a little l nger than thers (
• F r uture ser icing gi e e tra length t the c nnecting wires
• e sure t attach each screw t its c rres
and r the wire t the terminal l ck
3-2. FLARING WORK
) ut the c er i e c rrectly with i e cutter (Fig
) m letely rem e all urrs r m the cut cr ss secti n
i e (Fig 3)
• Put the end the c er i e t d wnward directi n
as y u rem e urrs in rder t a id t let urrs dr
in the i ing
3) em e are nuts attached t ind
then ut them n i e ha ing c m leted urr rem
(N t ssi le t ut them n a ter aring w rk )
) Flaring w rk (Fig ) Firmly h ld c
dimensi n sh wn in the ta le elect mm r m the ta le
acc rding t the t l y u use
) heck
• m are the ared w rk with Fig
• I are is n ted t e de ecti e cut
ti n and d aring w rk again
er i e
urr
are reamer
Pi e cutter
Fig 3
er i e
ie
Flare nut
Fig
r utd r unit c nnecting wire ( ) r m
e care ul n t t make mis-wiring Fi
art its c re is a eared and n
the terminal l ck
re ent them r m l sening ter tightening
e
wer su ly c rd ( ) with the c rd clam
Power supply cord (K)
Power supply cord (K)
rd clam
re than mm)
ndent terminal when securing the c rd
)
Fig
r and utd r units
N g
G d
al
er i e in the
ilted ne en urred
Fig
the ared sec-
Flaring t
lutch ty e Wing nut ty e
Fig
Inside is shin-
m th all
ing with ut any
ar und
scratches
en length
Fig
all ar und
Pi e diameter Nut
(mm) (mm)
3 ( )
(3 )
( )
( )
3-3. PIPE CONNECTION
• Fasten are nut with a t r ue wrench as s eci ed in the ta le
• When astened t tight are nut may reak a ter a l ng eri d and cause re rigerant
leakage
• e sure t wra insulati n ar und the i ing
result in urns r r st ite
Indoor unit connection
nnect th li uid and gas i ings t ind
• ly a thin c at re rigerati n il (J) n the ared ends
re rigerati n il n screw threads
n the screw
• F r c nnecti n rst align the center then tighten the rst 3 t
hand
• se tightening t r ue ta le a
and tighten using tw wrenches
Outdoor unit connection
nnect i es t st
the same manner a lied
• F r tightening use a t r ue wrench r s anner and use
the same tightening t r ue a
When installing the unit, securely connect the refriger-
er
ant pipes before starting the compressor.
i e
3-4. INSULATION AND TAPING
) er i ing ints with i e c
d
) F r utd r unit side surely insulate e ery i ing including al es
3) sing i ing ta e (G) a
• t the end i ing ta e (G) with ta e (with adhesi e agent attached)
• When i ing ha e t
tem erature and humidity are high wind additi nal c mmercially s ld insulati n t
re ent c ndensati n
l
(mm)
lutch
lutch Wing nut
ty e t l
ty e t l ty e t l
r 3
r r
t
t t
t
irect c ntact with the are i ing may
r unit
cessi e tightening t r ue will result in damage
e as a guideline r ind r unit side uni n int secti n
cessi e tightening damages the are secti n
al e i e int the utd r unit in
r ind r unit
lied r ind r unit
WARNING
er
ly ta ing starting r m the entry
e arranged thr ugh a e ceiling cl set r where the
ightening t r ue
N•m kg •cm
3 t t
3 3 t 3 t
t t
3 t t
the i es n t a ly
turns are nut y
utd r unit