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EDUS281008
Installation of indoor unit
Installation of indoor / outdoor unit
27
2
3P250363-3B
BEFORE INSTALLATION
2.
WARNING
Entr
u
st installation to the place of p
u
rchase or a
qu
alifi ed
•
ser
v
iceman. Improper installation co
u
ld lead to leaks and, in
w
orse cases, electric shock or fi re.
Use of
u
nspecifi ed parts co
u
ld lead to the
u
nit fallin
g
, leaks
•
and, in
w
orse cases, electric shock or fi re.
NOTE
Be s
u
re to read this man
u
al
b
efore installin
g
the indoor
u
nit.
•
Be s
u
re to mo
u
nt an air fi lter (part to
b
e proc
u
red in the
•
fi eld) in the s
u
ction air passa
g
e in order to pre
v
ent
w
ater
leakin
g
, etc.
The a
cc
essories needed for installation must be retained
in your
c
ustody until the installation work is
c
ompleted.
Do not dis
c
ard them.
Decide
u
pon a line of transport.
1.
Lea
v
e the
u
nit inside its packa
g
in
g
w
hile mo
v
in
g
,
u
ntil
2.
reachin
g
the installation site.
W
here
u
npackin
g
is
u
na
v
oid-
a
b
le,
u
se a slin
g
of soft material or protecti
v
e plates to
g
eth-
er
w
ith a rope
w
hen liftin
g
, to a
v
oid dama
g
e or scratches to
the
u
nit.
Be sure to
c
he
c
k the type of R410A refri
g
erant to be used
before installin
g
the unit.
(Usin
g
an in
c
orre
c
t refri
g
erant will prevent normal opera-
tion of the unit.)
For the installation of an o
u
tdoor
u
nit, refer to the installation
man
u
al attached to the o
u
tdoor
u
nit.
PRECAUTIONS
2-1
Be s
u
re to instr
u
ct c
u
stomers ho
w
to properly operate the
•
u
nit (operatin
g
different f
u
nctions, and adj
u
stin
g
the tem-
perat
u
re)
b
y ha
v
in
g
them carry o
u
t operations themsel
v
es
w
hile lookin
g
at the operation man
u
al.
Do not install in locations
w
here the air contains hi
g
h le
v
els of
•
salt s
u
ch as that near the ocean and
w
here
v
olta
g
e fl
u
ct
u
ates
g
reatly s
u
ch as that in factories, or in
v
ehicles or
v
essels.
ACCESSORIES
2-2
Check the follo
w
in
g
accessories are incl
u
ded
w
ith yo
u
r
u
nit.
N
ame
Clamp
material (1)
Ins
u
lation t
ub
e
(Other)
Operation man
u
al
•
Installation man
u
al
•
Q
u
antity
4 pcs.
1 set
Shape
Small (2)
2 pcs.
Large (3)
2 pcs.
OPTIONAL ACCESSORIES
2-3
This indoor
u
nit re
qu
ires one of the operation remote con-
•
trols listed
b
elo
w
.
Remote controller
W
ired type
BRC1E71, BRC1D71
W
ireless type
BRC4C
8
2
FOR THE FOLLOWING ITEMS, TAKE SPECIAL CARE
DURING CONSTRUCTION AND CHECK AFTER
INSTALLATION IS FINISHED.
a. Items to be
c
he
c
ked after
c
ompletion of work
Items to
b
e checked
If not properly done,
w
hat is
likely to occ
u
r
Check
Are the indoor and o
u
tdoor
u
nits fi xed fi rmly?
The
u
nits may drop,
v
i
b
rate
or make noise.
Is the refri
g
erant leak test
fi nished?
It may res
u
lt in ins
u
ffi cient
coolin
g
.
Is the
u
nit f
u
lly ins
u
lated?
Condensate may drip.
Does draina
g
e fl o
w
smoothly? Condensate may drip.
Does the po
w
er s
u
pply
v
olta
g
e correspond to that
sho
w
n on the name plate?
The
u
nit may malf
u
nction or
the components
bu
rn o
u
t.
Are
w
irin
g
and pipin
g
correct?
The
u
nit may malf
u
nction or
the components
bu
rn o
u
t.
Is the
u
nit safely
g
ro
u
nded?
Incomplete
g
ro
u
ndin
g
may
res
u
lt in electric shocks.
Is
w
irin
g
size accordin
g
to
specifi cations?
The
u
nit may malf
u
nction or
the components
bu
rn o
u
t.
Is somethin
g
b
lockin
g
the air
o
u
tlet or inlet of either the
indoor or o
u
tdoor
u
nits?
It may res
u
lt in ins
u
ffi cient
coolin
g
.
Are refri
g
erant pipin
g
len
g
th
and additional refri
g
erant
char
g
e noted do
w
n?
The refri
g
erant char
g
e in
the system is not clear.
Also re
v
ie
w
the “SAFETY CO
N
SIDERATIO
N
S”.
b. Items to be
c
he
c
ked at time of delivery
Items to
b
e checked
Check
Did yo
u
explain a
b
o
u
t operations
w
hile sho
w
in
g
the
operation man
u
al to yo
u
r c
u
stomer?
Did yo
u
hand the operation man
u
al and
w
arranty o
v
er to
yo
u
r c
u
stomer?
Did yo
u
explain to yo
u
r c
u
stomer ho
w
to maintain and
clean local proc
u
rements s
u
ch as the air fi lter, s
u
ction
g
rille, and air o
u
tlet
g
rille?
Did yo
u
hand man
u
als of local proc
u
rements (in case
e
qu
ipped) o
v
er to yo
u
r c
u
stomer?
SELECTING INSTALLATION SITE
3.
CAUTION
If yo
u
think the h
u
midity inside the installation space mi
g
ht
•
exceed
8
6°F and RH
8
0
%
, reinforce the ins
u
lation on the
u
nit
b
ody.
Use
g
lass
w
ool or polyethylene foam as ins
u
lation so that
the thickness is more than 2 in. and fi ts inside the installation
space openin
g
.
Sele
c
t an installation site where the followin
g
c
onditions
(1)
are fulfi lled and that meets with your
c
ustomer’s approval.
W
here optim
u
m air distri
bu
tion can
b
e ens
u
red.
•
W
here nothin
g
b
locks air passa
g
e.
•
W
here condensate can
b
e properly drained.
•
W
here the s
u
pports are stron
g
eno
ug
h to
b
ear the
•
indoor
u
nit
w
ei
g
ht.
W
here the false ceilin
g
is not noticea
b
ly on an incline.
•
W
here s
u
ffi cient clearance for maintenance and ser
v
ice
•
can
b
e ens
u
red.
(Refer to Fi
g
. 1-1 and Fi
g
. 1-2)
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