Mitsubishi Electric MSC-GE25VB Installation Manual

1
. BEF
O
R
E
IN
S
TALLATI
O
N
1
-
1
. THE F
O
LL
O
WIN
G
S
H
OU
LD
A
LWAY
S
B
E
O
B
S
ERVE
D
FOR
S
AFET
Y
•
Be
s
u
re
to
r
ea
d
“
THE
FO
LL
O
WIN
G
S
H
OU
LD
A
LWAY
S
BE
O
B
S
ERVE
D
F
OR
S
AFETY
”
be
f
or
e
i
nsta
lli
n
g
t
he
air
c
on
di
t
i
oner.
•
B
e
sure
to
obse
rv
e
th
e
warnin
g
s
a
n
d
cau
ti
o
n
s
sp
eci
fi
ed
he
r
e
as
the
y
i
n
c
l
ude
i
m
p
ortant
i
t
e
m
s
r
e
l
a
t
ed
to
sa
f
et
y
.
•
A
f
t
e
r reading thi
s
manual
,
be
sure
to
k
ee
p
it
t
ogether wi
t
hth
e
O
PERATIN
G
IN
S
TRU
C
TI
O
N
S
for
fu
t
u
r
e
r
efe
r
e
n
ce.
1-
3
.
S
PE
C
IFI
C
ATI
O
N
S
*
1
C
onnec
t
to
t
h
e
po
w
er
s
wit
c
h whi
c
h
has
a
gap
of
3
mm
or
more
when open to interrupt the source power phase. (When the
power switch is shut off, it must interrupt all phases.
)
*2
U
s
e
w
i
res
in
c
onformit
y
w
i
t
h
d
es
ign
60
24
5
I
E
C
5
7
.
*3
Never
use
p
i
p
e
s
with thi
c
kn
ess
less
th
an
s
p
eci
fi
ed. Th
e
pres
-
su
r
e
res
i
s
t
a
n
ce
will
be
i
n
su
ffi
c
i
e
nt.
*4 Us
e
a
c
opper
p
ipe
or
a
copper-alloy
sea
ml
ess
p
ipe.
*
5 B
e
ca
r
e
f
u
l
no
tt
o
c
r
ush
o
r
be
n
d
th
e
p
ipe
d
urin
g
pip
e
bending
.
*
6 Refrigerant
pi
pe
b
en
di
ng ra
di
u
s
mus
t
be
100
m
m
o
r more.
*
7 I
f
pip
e
l
en
g
t
h
e
xcee
d
s
7
m
,
addi
t
i
ona
l
refri
g
erant
(
R410A
)
c
h
ar
g
e
is
re
q
u
i
re
d.
(
No a
ddi
t
i
ona
l
ch
ar
ge
is
r
e
q
u
i
re
d
f
o
r
pipe
l
en
g
th
less
t
h
a
n
7
m
.
)
A
dd
iti
o
n
al
refrigeran
t
=
A
× (pip
e
length (m)
–
7)
*
8 Insulatio
n
ma
t
e
ri
a
l
:
H
ea
t resisting
foam
p
lastic
0
.
0
4
5
s
pecific
gravity
*
9 B
e
sur
e
t
ous
e
th
e
i
nsu
l
at
i
o
n
o
f
s
pecified t
hi
c
k
ness.
E
xcess
i
ve
t
hickness ma
y
cause incorrect installation o
f
the indoor unit and
i
n
suffic
i
e
nt thi
c
kn
ess
may
cause
dew
d
rippa
g
e.
JG
7
9
A172H1
0
S
PLIT-TYPE AI
R
CO
NDITI
O
NER
S
I
N
S
TALLATI
O
N M
A
N
U
AL
ENGLISH
R
equ
i
re
d
T
oo
l
s
f
o
r
I
nsta
ll
at
i
o
n
P
hilli
p
s screwdriver
L
eve
l
S
cale
Utilit
y
kni
f
e or scissors
65
mm hole sa
w
T
orque wr
e
n
c
h
Wrench
(
or spanner
)
4 mm hexagonal wrench
F
lare too
l
f
o
r
R410A
Gaug
e
manifol
d
for
R
410
A
Vacuu
m
p
um
p
f
o
r
R410A
C
harge
h
os
e
f
o
r
R410
A
Pi
pe cutter w
i
t
h
reame
r
M
o
d
e
l
name
s
a
r
e
i
n
di
cate
d
i
n
1
-
3
.
W
hen installing multi units, refer to
the installation manual of the multi
unit for outdoor unit installation.
M
odel
Po
w
e
r
s
uppl
y
*1
W
ir
e
specification
s
*2
Pi
p
e size
(thickness *3, *4)
I
n
door
u
nit
O
utdoor
u
ni
t
R
a
t
ed
V
o
l
tage
F
requency
Breaker capacit
y
(
Indoor/outdoor)
I
n
d
oo
r
P
ower
supp
l
y cor
d
O
utdoor
P
owe
r
supp
l
y
I
ndoor
/
outdoor
connect
i
ng
w
i
re
G
as
/
Li
qu
id
M
SC-GE20VB
MSC
-
G
E2
5
VB
MSC
-
G
E
35
VB
M
U(H)-GA20V
B
M
U
(
H
)
-
G
A25V
B
M
U
(
H
)
-
G
A35V
B
2
30
V
50
H
z
10
/
1
0
A
3
-core
1
.
0
mm
2
3
-core
1
.
0
mm
2
2-core
1.
0
mm
2
ø
9.5
2
/
6
.
35
m
m
(
0.8 mm
)
(G
E20
,
25
/G
E35
)
Pipe len
g
th and hei
g
ht differenc
e
Max. pipe length
2
0
/
25
m
Max. hei
g
ht di
ff
erenc
e
1
0
m
M
ax. number o
f
b
ends
*
5
,
*6
10
R
e
f
ri
g
eran
t
ad
j
ustmen
t
A
*
7
20
g/m
In
su
l
a
ti
on
thi
c
kn
ess
*
8
,
*9
8
mm
CAUTION
(Could lead to serious injury in particular environments when operated incorrectly.)
WARNING
(Could lead to death, serious injury, etc.)
N
Do
not
i
n
stall
the
u
n
it
by
y
oursel
f
(
user
).
Incom
p
lete
i
n
s
t
a
ll
a
ti
on
cou
l
d
cause
fi
re
,
e
l
ec
tri
c
s
hock
,
i
n
j
ur
y
d
ue to the unit
f
alling, or leakage o
f
water.
C
onsult the dealer
fr
o
mw
ho
m
y
o
u
p
urc
h
ase
d
the
u
n
it
o
r
a
qualified
i
n
s
t
alle
r
.
N
P
e
rf
o
rm
the
i
n
stallatio
n
s
ecure
ly
referrin
g
to
the
i
n
stalla
-
tion
m
a
n
ual.
Incom
p
lete
i
n
s
t
a
ll
a
ti
on
cou
l
d
cause
fi
re
,
e
l
ec
tri
c
s
hock
,
i
n
j
ur
y
d
ue to the unit falling, or leakage of water.
N
Whe
n
i
nsta
lli
ng
the
u
n
i
t
,
use
app
ro
p
r
i
ate
p
rotect
i
ve
eq
u
ip
-
me
n
t
a
n
d
tools
for
safet
y
.
F
a
il
ure to
d
o so cou
ld
cause
i
n
j
ur
y.
N
Instal
l
t
he
u
nit
s
ecurel
y
in
a
p
lac
e
w
hic
h
can
bea
r
t
he
weigh
t
of
t
h
e
u
ni
t
.
I
f
th
e
i
nsta
ll
at
i
o
n
l
ocat
i
on canno
t
b
ea
r
th
ewe
i
g
ht
o
ft
h
e
u
n
i
t
,
t
he unit could
f
all causin
g
in
j
ur
y.
N
E
lectrical work should be per
f
ormed b
y
a quali
fi
ed, exp
e
-
rience
d
electrician,
a
ccordin
g
to
t
h
e
installation manual
.
Be
su
r
e
to
use
a
n
e
x
clusi
v
e
ci
r
cuit
.
Do
not
co
nn
ect
other
elect
r
ical
appli
ance
s
to
the
ci
r
cuit.
If t
he
capac
i
t
y
o
f
th
e
p
ower c
i
rcu
it
i
s
i
nsufficien
t
or
th
ere
i
s
i
ncom
p
lete
e
l
ec
tri
cal
work
,
i
t
cou
l
d
r
esu
lt in
a
fi
r
e
or
an
e
l
ec
tri
c
s
h
oc
k
.
N
Ea
r
th
the
u
n
it
c
orrect
ly.
D
o not connect t
h
e eart
h
to a
g
as p
i
pe, water p
i
pe,
ligh
tn
i
n
g
r
od, or telephone earth. De
f
ective earthin
g
could cause electric
s
h
oc
k
.
N
Do
n
ot
d
amage
the
w
i
r
es
b
y app
l
y
i
ng
e
x
cessi
v
e
p
ressure
with
p
art
s
or
sc
r
e
w
s.
D
ama
g
e
d
w
i
re
s
cou
ld
ca
u
se
fi
re
or
e
l
ectr
ic
s
h
oc
k.
N
B
e
s
u
re
to
cu
t
off
t
h
e
m
ai
n
po
w
er
in
case
o
f
settin
g
up
the
in
door
P
.
C
.
boa
r
d
or
wirin
g
wo
rk
s
.
F
a
il
ure to
d
o so cou
ld
cause e
l
ectr
i
c s
h
oc
k
.
N
U
se the specified wires to connect the indoor and outdoor
u
nits securel
y
and attach the wires
fi
rml
y
to the terminal
b
lock connectin
g
s
ection
s
s
o
t
h
e
s
t
ress
of
t
he
w
ire
s
is
not
a
ppli
e
d
to
the
sectio
n
s
.
Do
not
e
x
te
n
d
the
w
i
res
,
or
use
i
n
te
rm
ediate
co
nn
ectio
n.
Incomplete
c
onnectin
g
a
n
d
securin
g
cou
l
d
cause
fir
e.
N

D
o not install the unit in a place where inflammable
g
as
may
l
eak.
If
g
as
lea
k
s
a
n
d
accu
m
u
l
a
t
es
in
t
h
e
a
r
ea
a
r
ou
n
d
th
e
unit
,
it
c
ou
ld
cause an exp
l
os
i
on.
N
Do
n
ot
use
i
n
te
rm
ediate
co
nn
ectio
n
o
f
the
po
w
er
co
r
d
or
t
h
e
extension cord
a
nd d
o
n
o
t
connec
t
many
d
evice
s
t
o
one
A
C
o
utlet
.
I
t
cou
l
d
cause
a
fir
e
o
r
an
e
l
ec
tri
c
s
h
ock
due
to
de
f
ec
tiv
e
con
-
tact, de
f
ective insulation, exceedin
g
the permissible current,
e
tc
.
N
B
e sure to use the parts provided or speci
fi
ed parts
f
o
r
t
h
e
i
nstallatio
n
work
.
T
he use of defective parts could cause an injury or leakage
o
f water
d
ue
t
o
a
fire
,
an
el
ectr
i
c
sh
oc
k,
th
eun
i
t falling,
e
tc
.
N
W
hen plu
gg
in
g
t
h
e
po
w
er
s
uppl
y
p
lu
g
i
nt
o
the outlet
,
mak
e
s
u
re
t
ha
t
ther
e
is
no
dust
,
clogging
,
or
l
oos
e
par
ts
in
b
ot
h
t
h
e
o
ut
l
e
t
an
d
t
he
p
l
ug
.
M
a
k
e sur
e
th
a
t
t
h
e
p
owe
r
supp
l
yp
l
u
g
is
p
us
h
e
d
c
omp
l
ete
l
y
i
n
to
the
outlet
.
If
th
ere
i
s
d
ust
,
cl
o
ggi
n
g,
o
r
l
oos
e
p
art
s
on t
he
p
ower
s
upp
ly
pl
u
g
or
t
he
o
ut
l
et
,
i
t cou
ld
ca
u
se
e
l
ectr
ic
s
h
oc
k
or
fi
re
.
I
f
l
oos
e
p
arts are found on the power supply plug, replace it.
N
Attach
the
elect
r
ical
co
v
e
r
to
the
i
n
door
u
n
it
a
n
d
the
se
rv
ice
p
ane
l
to
the
outdoor
u
n
it
s
ecure
ly
.
I
f
th
e
electrica
l
co
v
er
of
th
e
indoor
u
ni
t
a
nd
/
or th
e
s
ervic
e
p
ane
l
o
f the outdoor unit are not attached securely, it could result in
a
fir
e
or
an
elec
tr
ic
shock
due
t
o
d
ust
,
water,
e
t
c.
N

When
i
nsta
lli
n
g,
re
l
ocat
i
n
g,
o
r
s
erv
i
c
i
n
g
the
u
n
i
t
,
make
s
ure that no substance other than the specified refri
g
erant
(
R410A
)
en
t
ers the re
f
ri
g
erant circuit.
A
ny presence of foreign substance such as air can cause
ab
norma
l
pressure r
i
se an
d
may resu
l
t
i
n exp
l
os
i
on or
i
n
j
ury.
Th
e use o
f
a
n
y
re
f
ri
g
erant
o
t
h
e
r
t
h
a
n
t
h
at s
p
eci
fi
ed
f
or
th
e
s
y
stem will cause mechanical
f
ailure, s
y
stem mal
f
unction, o
r
u
nit
b
r
ea
k
do
wn.
In
t
h
e
w
o
r
st
case,
thi
s
cou
l
d
lead
to
a
se
ri
ous
i
mpediment to securing product safety
.
N
Do
n
ot
di
sc
h
ar
g
e
the
refri
g
erant
i
n
to
the
a
tmos
ph
ere.
If
refri
g
erant leaks
d
urin
g
i
nstallation
,
ventilate th
e
room.
If
re
f
ri
g
erant
comes
in
co
n
tact
wi
t
h
a
fi
re
,
ha
rm
ful
gas
cou
l
d
b
e generate
d.
R
efrigerant leakage may cause suffocation.
P
rov
id
e
v
ent
il
at
i
on
in
a
ccor
d
ance
wi
t
h
E
N
3
7
8
-
1
.
N

C
h
eck
that
the
r
efri
g
eran
t
gas
does
n
ot
leak
a
f
te
r
i
n
stal
-
l
atio
n
ha
s
been completed
.
If
r
efri
g
erant
g
a
s
lea
k
s
indoors
,
a
n
d
co
m
es
int
o
co
n
tact
wi
t
h
t
h
e
fl
a
m
e
o
f
a
fan
h
eater
,
s
pac
e
heater
,
stove
,
e
tc.,
ha
rmf
ul
su
b
stances w
ill
b
e
g
enerate
d
.
N
Us
e
a
ppropriat
e
t
ools
a
n
d
pipin
g
m
aterial
s
f
o
r
i
nstall
a
-
t
ion.
Th
e
p
ressure
of
R4
10A
i
s
1
.
6
t
im
es
m
o
r
e
th
an
R22.
Not
using
a
ppropr
i
ate too
l
s or mater
i
a
l
s an
d
i
ncomp
l
ete
i
nsta
ll
at
i
on cou
ld
c
ause t
h
e p
i
pes to
b
urst or
i
n
j
ur
y
.
N
W
he
n
pumpin
g
down th
e
re
f
ri
g
erant
,
st
o
p
the
compressor
be
f
ore
d
isconnecting
t
h
e
r
e
f
rigeran
t
p
i
p
es
.
If
t
he
refrigeran
t
pi
pes
a
r
e
disco
nn
ec
t
ed
w
hile
t
he
c
ompresso
r
i
s runn
i
n
g
an
d
t
h
e stop va
l
ve
i
s open, a
i
r cou
ld
b
e
d
rawn
i
n
a
nd the pressure in the re
f
ri
g
eration c
y
cle could become a
b
-
normall
y
hi
g
h. This could cause the pipes to burst or in
j
ur
y.
N
W
h
en
i
nstallin
g
t
h
e
u
nit,
s
ecurel
y
co
nn
ect
t
h
e
r
e
f
rigerant
pip
e
s
be
f
o
r
e
start
i
ng
the
com
p
ressor
.
If
th
e
compressor
is
starte
d
b
efor
e
t
he
refri
g
eran
t
pip
e
s
are
c
onnected and when the sto
p
valve is o
p
en, air could be
d
rawn in and the pressure in the refrigeration cycle could
b
ecome a
b
norma
ll
y
hi
g
h
.
Thi
s cou
ld
cause t
h
e p
i
pes to
b
urst
o
r
i
n
j
ur
y
.
N

F
asten a flare nut with a torque wrench as specified in
t
hi
s
manual
.
If
f
as
t
e
n
ed
too
t
ight,
a
fla
r
e
nut
ma
y
b
r
ea
k
a
ft
er
a
lon
g
period
a
nd cause refri
g
erant leaka
g
e.
N

The
u
n
it
shall
be
i
n
stalled
i
n
acco
r
da
n
ce
with
n
atio
n
al
wirin
g
r
e
g
ulations.
N
I
n
stall
an
ea
r
th
l
ea
k
a
g
e
b
r
eaker
d
epen
di
n
g
o
n
the
i
n
stal
-
l
ation
p
lace.
If
an
ea
rt
h
leaka
ge
b
r
ea
k
e
ri
s
n
ot
installed
,
i
t
cou
l
d
cause
e
l
ec
tri
c
s
h
oc
k
.
N
P
e
rf
o
rm
the
d
rainage/piping w
o
r
k
secure
l
y accor
di
n
g
to
the
i
n
stallatio
n
ma
n
ual
.
I
f
t
h
er
e
i
sde
f
ec
t
i
nt
h
e draina
g
e
/
pipin
g
wor
k,
water
c
ou
ld
d
ro
p
f
rom the unit, soakin
g
and dama
g
in
g
household
g
oods.
N
Do not touch the air inlet or the aluminum
fi
ns o
f
the
o
utdoor
u
nit
.
This could cause injury.
N
Do
n
ot
i
n
stall
the
outdoor
u
n
it
whe
r
e
s
m
all
a
n
i
m
als
ma
y
l
ive.
If
s
m
a
ll
a
nim
a
l
s
e
n
te
r
a
n
d
touc
hth
e
e
l
ec
tri
c
p
ar
ts
in
s
i
de
t
h
e
u
nit,
it
cou
l
d
cause
a
malfunction
,
s
m
o
k
e
e
mission,
or
fir
e
.
Al
so, a
d
v
i
se user to
k
eep t
h
e area aroun
d
t
h
e un
i
t c
l
ean.
1-2. SELECTIN
G
THE
I
NSTALLATIO
N
L
OCATIO
N
INDOOR UNIT
•
Whe
r
e
a
irfl
ow
is
n
o
t
blocked
.
•
Wh
ere coo
l
a
i
r sprea
d
s over t
h
e ent
i
re room.
•
Rigid
wa
ll
w
i
t
h
out v
ib
rat
i
on.
•
Where it is not ex
p
osed to direct sunshine. Do not ex
p
ose to
direct sunshine also during the period following unpacking to
b
efore use
.
•
Wh
ere eas
ily
d
ra
i
ne
d
.
•
A
t
a
di
stance
1
m
or
more
a
w
ay
f
ro
m
yo
u
r
TV
an
d
ra
di
o
.
Op
era
-
tion o
f
the air conditioner may inter
f
ere with radio or TV recep
-
t
io
n.
An
amplifier ma
y
be
requ
i
re
d
for
the
a
ff
ec
t
ed
de
v
ice.
•
I
n
a
p
l
ac
e
a
s far
a
way as poss
ible
f
ro
m
fluorescen
t
a
n
d
i
ncan-
descent li
g
hts
(
so the in
f
rared remote control can operate the
a
ir conditioner normall
y)
.
• Wh
e
r
e
t
h
e
a
i
r
filt
er
ca
n
be
re
m
o
v
ed
a
n
d
r
eplaced
e
asily
.
REMOTE CONTROLLER
•
Where it is easy to operate and easily visible.
•
Wh
ere c
hild
ren cannot touc
h
i
t.
•
Select
a
p
os
i
t
i
o
n
ab
ou
t
1
.
2
m
ab
ove t
he
floo
r
an
d
c
h
ec
k
t
h
a
t
s
i
g
nals
f
rom the remote controller are surel
y
received b
y
the
indoor unit
f
rom that position
(‘
beep’ or
‘
beep beep’ receiving
tone sounds). After that, attach remote controller holder to a
p
ill
ar or wa
ll
an
d
i
nsta
ll
w
i
re
l
ess remote contro
ll
er
.
Note:
In
rooms
w
h
ere
i
nverte
r
t
y
pe
fl
uorescent
l
am
ps
are
use
d,
th
es
ig
na
l
f
rom the wireless remote controller ma
y
not be received.
OUTDOOR UNIT
•
W
here it is not exposed to stron
g
wind
.
•
Wh
e
r
e
a
irfl
ow
is
good
a
n
d
dus
tl
ess
.
•
Wh
ere ra
i
n or
di
rect sun
li
g
h
t can
b
e avo
id
e
d
as muc
h
as po
s
-
sibl
e
.
•
Where nei
g
hbours are not anno
y
ed b
y
operation sound or hot
a
ir.
•
Wh
ere r
i
g
id
wa
ll
or support
i
s ava
il
a
bl
e to prevent t
h
e
i
ncrease
of operation sound or vibration
.
•
Where there is no risk o
f
combustible
g
as leaka
g
e.
•
When installin
g
the unit at a hi
g
h level, be sure to secure the
u
nit legs.
•
Where it is at least 3 m away from the antenna of TV set o
r
ra
di
o. Operation o
f
t
he
air
c
on
di
t
i
oner
m
a
y
interfer
e
w
i
t
h
ra
dio
or
TV
rece
p
t
i
o
n
i
n
areas
w
h
er
e
rece
p
t
i
on
i
s wea
k
.
A
n
a
m
p
li
fi
e
r
may
be
r
e
q
uire
d
for
t
h
e
affec
t
ed
de
vi
ce.
• In
s
t
a
ll th
e
u
ni
t
horizontally.
•
Please install it in an area not affected by snowfall or blowing
snow
.
I
n
a
reas w
ith
h
eavy
s
now,
pl
ease
i
nsta
ll
a
c
anopy, a
pe
d
esta
l
and
/
o
r
som
e
baffle
b
oar
d
s
.
Note
:
It
i
s
ad
v
i
sa
ble
t
oma
k
e
a
p
i
p
i
n
g
l
oo
p
near
o
ut
d
oor
u
n
it
so
as
t
o
r
educe
vi
b
r
a
ti
o
n tr
a
n
s
mitt
ed
f
r
o
m th
e
r
e.
N
ote:
Wh
en operat
i
ng t
h
e a
i
r con
di
t
i
oner
i
n
l
ow outs
id
e temperature,
b
e sure to follow the instructions described below.
• N
e
v
e
r
i
n
s
t
a
l
l
t
h
e
ou
t
doo
r
u
nit
in
a
p
lace wh
e
r
e
i
t
s
a
i
r
i
nlet
/
o
utlet side may be exposed directly to wind
.
•
To prevent exposure to wind, install the outdoor unit with its
a
ir inlet side facing the wall.
•
T
o
p
revent ex
p
osure to w
i
n
d
,
i
t
i
s recommen
d
e
d
to
i
nsta
ll
a
baffle
boa
r
d
on
th
e
a
ir
ou
tl
et
s
i
de
of
t
h
e
ou
t
door
u
nit.
A
void the following places for installation where air conditioner
t
rou
bl
e
i
s
li
a
bl
e to occur
.
•
Wh
er
e
flammable
g
as
c
ou
ld
l
ea
k.
•
Wh
ere t
h
ere
i
s muc
h
mac
hi
ne o
il.
• Wh
e
r
e
o
il i
s
sp
lashed
or
wh
e
r
e
t
h
e
area
i
s
fi
ll
ed
with
o
il
y
smoke (such as cooking areas and factories, in which the
p
roperties of plastic could be changed and damaged)
.
•
Salt
y
places such as the seaside
.
• Wh
e
r
e
su
l
fide
gas
i
s
g
enerate
d
such
as
a
h
ot
s
prin
g
.
• Wh
e
r
e
th
e
r
e
i
s
hi
g
h-
f
requenc
y
or
wir
e
l
ess
e
q
ui
p
ment.
• Wh
e
r
e
t
h
e
r
e
i
s
e
mi
ss
i
on
of
high l
e
v
e
l
s
of
V
OCs
,
i
ncludin
g
p
hthalate compounds, formaldeh
y
de, etc., which ma
y
cause
c
hemical crackin
g
.

Mitsubishi Electric MSC-GE25VB Specifications

General

Brand	Mitsubishi Electric
Model	MSC-GE25VB
Category	Air Conditioner
Language	English