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EDUS281008
Installation of indoor unit
Installation of indoor / outdoor unit
25
2
2. Installation of indoor unit
2.1
FTQ18PAVJU / FTQ24PAVJU
3P250363-3B
1
En
g
lish
SPLIT SYSTEM Air Conditioners
Installation man
u
al
CONTENTS
1. SAFETY CO
N
SIDERATIO
N
S ........................................... 1
2. BEFORE I
N
STALLATIO
N
.................................................. 3
3. SELECTI
N
G I
N
STALLATIO
N
SITE ................................... 3
4. PREPARATIO
N
S BEFORE I
N
STALLATIO
N
A
N
D
I
N
STALLATIO
N
.................................................................. 4
5. REFRIGERA
N
T PIPI
N
G
W
ORK ....................................... 6
6. DRAI
N
PIPI
N
G
W
ORK ...................................................... 7
7. I
N
STALLI
N
G THE DUCT ...................................................
8
8
. ELECTRIC
W
IRI
N
G
W
ORK ..............................................
8
9.
W
IRI
N
G EXAMPLE ........................................................... 9
10. FIELD SETTI
N
G A
N
D TEST RU
N
.................................. 12
SAFETY CONSIDERATIONS
1.
Read these “SAFETY CO
N
SIDERATIO
N
S for Installation”
caref
u
lly
b
efore installin
g
an air conditioner or heat p
u
mp. After
completin
g
the installation, make s
u
re that the
u
nit operates
properly d
u
rin
g
the start
u
p operation.
Instr
u
ct the c
u
stomer on ho
w
to operate and maintain the
u
nit.
Inform c
u
stomers that they sho
u
ld store this Installation Man
u
-
al
w
ith the Operation Man
u
al for f
u
t
u
re reference.
Al
w
ays
u
se a licensed installer or contractor to install this
prod
u
ct. Improper installation can res
u
lt in
w
ater or refri
g
erant
leaka
g
e, electrical shock, fi re, or explosion.
Meanin
g
s of
DANGER
,
WARNING
,
CAUTION
, and
NOTE
Sym
b
ols:
DANGER
................ Indicates an imminently hazardo
u
s
sit
u
ation
w
hich, if not a
v
oided,
w
ill
res
u
lt in death or serio
u
s inj
u
ry.
WARNING
.............. Indicates a potentially hazardo
u
s
sit
u
ation
w
hich, if not a
v
oided, co
u
ld
res
u
lt in death or serio
u
s inj
u
ry.
CAUTION
............... Indicates a potentially hazardo
u
s
sit
u
ation
w
hich, if not a
v
oided, may
res
u
lt in minor or moderate inj
u
ry.
It may also
b
e
u
sed to alert a
g
ainst
u
nsafe practices.
NOTE
...................... Indicates sit
u
ations that may res
u
lt in
e
qu
ipment or property-dama
g
e
accidents only.
DANGER
Refri
g
erant
g
as is heavier than air and repla
c
es oxy
g
en.
•
A massive leak
c
an lead to oxy
g
en depletion, espe
c
ially
in basements, and an asphyxiation hazard
c
ould o
cc
ur
leadin
g
to serious injury or death.
Do not
g
round units to water pipes,
g
as pipes, tele-
•
phone wires, or li
g
htnin
g
rods as in
c
omplete
g
roundin
g
c
an
c
ause a severe sho
c
k hazard resultin
g
in severe
injury or death. Additionally,
g
roundin
g
to
g
as pipes
c
ould
c
ause a
g
as leak and potential explosion
c
ausin
g
severe injury or death.
If refri
g
erant
g
as leaks durin
g
installation, ventilate the
•
area immediately. Refri
g
erant
g
as may produ
c
e toxi
c
g
as if it
c
omes in
c
onta
c
t with fi re. Exposure to this
g
as
c
ould
c
ause severe injury or death.
After
c
ompletin
g
the installation work,
c
he
c
k that the
•
refri
g
erant
g
as does not leak throu
g
hout the system.
Do not install unit in an area where fl ammable materials
•
are present due to risk of explosions that
c
an
c
ause
serious injury or death.
Safely dispose all pa
c
kin
g
and transportation materials
•
in a
cc
ordan
c
e with federal/state/lo
c
al laws or ordinan
c
-
es. Pa
c
kin
g
materials su
c
h as nails and other metal or
wood parts, in
c
ludin
g
plasti
c
pa
c
kin
g
materials used for
transportation may
c
ause injuries or death by suffo
c
a-
tion.
WARNING
All phases of the fi eld-installation, in
c
ludin
g
, but not
•
limited to, ele
c
tri
c
al, pipin
g
, safety, et
c
. must be in a
c
-
c
ordan
c
e with manufa
c
turer's instru
c
tions and must
c
omply with national, state, provin
c
ial and lo
c
al
c
odes.
Only
q
ualifi ed personnel must
c
arry out the installation
•
work. Installation must be done in a
cc
ordan
c
e with this
installation manual. Improper installation may result in
water leaka
g
e, ele
c
tri
c
sho
c
k, or fi re.
When installin
g
the unit in a small room, take measures
•
to keep the refri
g
erant
c
on
c
entration from ex
c
eedin
g
allowable safety limits. Ex
c
essive refri
g
erant leaks, in
the event of an a
cc
ident in a
c
losed ambient spa
c
e,
c
an
lead to oxy
g
en defi
c
ien
c
y.
Use only spe
c
ifi ed a
cc
essories and parts for installation
•
work. Failure to use spe
c
ifi ed parts may result in water
leaka
g
e, ele
c
tri
c
sho
c
ks, fi re, or the unit fallin
g
.
Install the air
c
onditioner or heat pump on a foundation
•
stron
g
enou
g
h that it
c
an withstand the wei
g
ht of the
unit. A foundation of insuffi
c
ient stren
g
th may result in
the unit fallin
g
and
c
ausin
g
injuries.
Take into a
cc
ount stron
g
winds, typhoons, or earth-
•
q
uakes when installin
g
. Improper installation may result
in the unit fallin
g
and
c
ausin
g
a
cc
idents.
Make sure that a separate power supply
c
ir
c
uit is pro-
•
vided for this unit and that all ele
c
tri
c
al work is
c
arried
out by
q
ualifi ed personnel a
cc
ordin
g
to lo
c
al, state, and
national re
g
ulations. An insuffi
c
ient power supply
c
apa
c
ity or improper ele
c
tri
c
al
c
onstru
c
tion may lead to
ele
c
tri
c
sho
c
ks or fi re.
Make sure that all wirin
g
is se
c
ured, that spe
c
ifi ed wires
•
are used, and that no external for
c
es a
c
t on the terminal
c
onne
c
tions or wires. Improper
c
onne
c
tions or installa-
tion may result in fi re.
When wirin
g
, position the wires so that the ele
c
tri
c
c
om-
•
ponent box
c
over
c
an be se
c
urely fastened. Improper
positionin
g
of the ele
c
tri
c
c
omponent box
c
over may
result in ele
c
tri
c
sho
c
ks, fi re, or the terminals overheatin
g
.
Before tou
c
hin
g
ele
c
tri
c
al parts, turn off the unit.
•
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