-
94
-
'17 • SCM-T-225
Necessary tools for the installation work
1
2
3
4
5
6
7
8
9
10
11
12
13
1
1
1
1
1
1
Q’ty
Option parts
Sealing plate
Sleeve
Inclination plate
Putty
Drain hose (extension hose)
Piping cover (for insulation of connection piping)
Plus headed driver
Knife
Saw
Tape measure
Hammer
Spanner wrench
Torque wrench
Hole core drill (65mm in diameter)
Wrench key (Hexagon) [4m/m]
Flaring tool set
Gas leak detector
Pipe bender
Gauge for projection adjustment Used when flare is made by using conventional flare tool
()
(
)
14.0 ~ 61.0N·m (1.4 ~ 6.1kgf·m)
(
Designed specifically
for R410A
)
BEFORE INSTALLATION
R410A REFRIGERANT USED
FLOOR TYPE AIR CONDITIONER
INSTALLATION MANUAL FOR INDOOR UNIT
RFB012A007
1
1
1
9
2
2
2
2
1
2
Q’ty
Standard accessories (Installation kit)
Accessories for indoor unit
Installation board (Attached to the rear of the indoor unit)
Wireless remote control
Remote control holder
Battery
[R03 (AAA, Micro) 1.5V]
Air-cleaning filters
Filter holders (Attached to the front panel of indoor unit)
Pipe cover (200mm)
Tapping screws (for installation board ø4 X 25mm)
Wood screws (for remote control switch holder ø3.5 X 16mm)
1
2
3
4
5
6
7
8
9
10
Band
()
Designed specifically
for R410A
WA
RNING
• Installation must be carried out by the qualified installe
r.
If you install the system by yourself, it may cause serious tr
ouble such as
water leaks, electric shocks, fir
e and personal injur
y,
as a r
esult of a system
malfunction. Do not carry out the installation and maintenance work except
the by qualified installer
.
• Install the system in full accor
dance with the installation manual.
Incorr
ect installation may cause bursts, personal injury
, water leaks, electric
shocks and fir
e.
• Be sur
e to use only for household and r
esidence.
If this appliance is installed in inferior envir
onment such as machine shop
and etc., it can cause malfunction.
• Use the original accessories and the specified components for
installation.
If parts other than those pr
escribed by us ar
e used, It may cause water
leaks, electric shocks, fir
e and personal injury.
• Install the unit in a location with good support.
Unsuitable installation locations can cause the unit to fall and cause
material damage and personal injury.
• V
entilate the working ar
ea well in the event of r
efrigerant leakage
during installation.
If the r
efrigerant comes into contact with naked flames, poisonous gas is
pr
oduced.
• When installing in small r
ooms, take pr
evention measur
es not to
exceed the density limit of r
efrigerant in the event of leakage,
referr
ed by the formula (accor
dance with ISO5149).
If the density of r
efrigerant exceeds the limit, please consult the dealer and
install the ventilation system, otherwise lack of oxygen can occur
, which
can cause serious accident.
• After completed installation, check that no
re
frigerant leaks fr
om
the system.
If r
efrigerant leaks into the r
oom and comes into contact with an oven or
other hot surface, poisonous gas is pr
oduced.
• Use the pr
escribed pipes, flar
e nuts and tools for R410A.
Using existing parts (for R22 or R407C) can cause the unit failur
e and
serious accidents due to burst of the r
efrigerant cir
cuit.
• Tighten the flar
e nut by tor
que wr
ench with specified method.
If the flar
e nut we
re
tightened with excess tor
que, this may cause burst and
refrigerant leakage after a long period.
• The electrical installation must be carried out by the qualified
electrician in accor
dance with “the norm for electrical work” and
“national wiring r
egulation”, and the system must be connected to
the dedicated cir
cuit.
Power source with insuf
ficient capacity and incorr
ect function done by
impr
oper work can cause electric shocks and fi
re
.
• Be su
re
to shut of
f the power befo
re
starting electrical work.
Failu
re
to shut of
f the power can cause electric shocks, unit failur
e or
incorr
ect function of equipment.
• Be su
re
to use the cables conformed to safety standar
d and cable
ampacity for power distribution work.
Unconformable cables can cause electric leak, anomalous heat pr
oduction
or fir
e.
• This appliance must be connected to main power source by means
of a cir
cuit br
eaker or switch (fuse:16A) with a contact separation of
at least 3mm.
• When plugging this appliance, a plug conforming to the norm
IEC60884-1 must be used.
• Use the pr
escribed cables for electrical connection, tighten the
cables secur
ely in terminal block and r
elieve the cables corr
ectly to
pr
event overloading the terminal blocks.
Loose connections or cable mountings can cause anomalous heat
pr
oduction or fi
re
.
• Arrange the wiring in the contr
ol box so that it cannot be pushed up
further into the box. Install the service panel corr
ectly.
Incorr
ect installation may r
esult in overheating and fi
re
.
• Be su
re
to switch of
f the power source in the event of installation,
inspection or servicing.
If the power source is not shut of
f, ther
e is a risk of electric shocks, unit
failu
re
or personal injury due to the unexpected start of fan.
• Be su
re
to wear pr
otective goggles and gloves while at work.
• Earth leakage br
eaker must be installed.
If the earth leakage br
eaker is not installed, it can cause electric shocks.
CAUTION
• Use the ci
rc
uit br
eaker of corr
ect capacity. Cir
cuit br
eaker should
be the one that disconnect all poles under over curr
ent
.
Using the incorr
ect one could cause the system failur
e and fir
e.
• Install isolator or disconnect switch on the power source wiring in
accor
dance with the local codes and r
egulations
.
The isolator should be locked in OFF state in accor
dance with EN60204-1.
• Be su
re
to install indoor unit pr
operly acco
rd
ing to the installation
manual in or
der to run of
f the drainage smoothly.
I
mpr
oper installation of indoor unit can cause dr
opping water into the r
oom
and damaging personal pr
operty.
• Install the drainage pipe to run of
f drainage secu
re
ly accor
ding to
the installation manual
.
I
ncorr
ect installation of the drainage pipe can cause dr
opping water into the
room and damaging personal pr
operty.
• Be su
re
to install the drainage pipe with descending slope of 1/100
or mor
e, and not to make traps and air
-bleedings.
Check if the drainage runs of
f secur
ely during commissioning and ensur
e
the space for inspection and maintenance.
• Secur
e a space for installation, inspection and maintenance
specified in the manual.
I
nsuf
ficient space can r
esult in accident such as personal injury due to
falling fr
om the installation place.
• For installation work, be car
eful not to get inju
re
d with the heat
exchange
r, piping flar
e portion or scr
ews etc.
• Be sur
e to insulate the r
efrigerant pipes so as not to condense the
ambient air moistur
e on them
.
I
nsuf
ficient insulation can cause condensation, which can lead to moistu
re
damage on the ceiling, floo
r, fu
rn
itur
e and any other valuables.
•
When perform the air-
conditioner operation (cooling or drying opera-
tion) in which ventilator is installed in the
ro
om. In this case, using the
air-
conditioner in parallel with the ventilator
, the
re
is the possibility
that drain water may backflow in acco
rd
ance with the
ro
om lapse into
the negative pr
essu
re
status. Ther
efor
e, set up the opening port such
as incorporate the air into the
ro
om that may appr
opriate to ventila-
tion (For example; Open the door a little). In addition, just as above, so
set up the opening port if the
ro
om lapse into negative pr
essur
e status
due to
re
gister of the wind for the high rise apartment etc.
• Be sur
e to perform air tightness test by pr
essurizing with nitr
ogen
gas after completed r
efrigerant piping work.
If the density of r
efrigerant exceeds the limit in the event of r
efrigerant
leakage in the small r
oom, lack of oxygen can occu
r, which can cause
serious accidents.
• Do not install the unit in the locations listed below
.
•
Locations whe
re
carbon fibe
r, metal powder or any powder is floating.
•
Locations whe
re
any substances that can af
fect the unit such as sulphide
gas, chloride gas, acid and alkaline can occur
.
•
Vehicles and ships.
•
Locations whe
re
cosmetic or special sprays ar
e often used.
•
Locations with dir
ect exposur
e of oil mist and steam such as kitchen and
machine plant.
•
Locations whe
re
any machines which generate high fr
equency harmonics
ar
e used.
•
Locations with salty atmospher
es such as coastlines.
•
Locations with heavy snow (If installed, be su
re
to pr
ovide base flame and
snow hood mentioned in the manual).
•
Locations whe
re
the unit is exposed to chimney smoke.
•
Locations at high altitude (mor
e than 1000m high).
•
Locations with ammonic atmospher
es.
•
Locations whe
re
heat radiation fr
om other heat sour
ce can af
fect the unit.
•
Locations without good air cir
culation.
•
Locations with any obstacles which can pr
event inlet and outlet air of the unit
.
•
Locations whe
re
short cir
cuit of air can occur (in case of multiple units
installation).
•
Locations whe
re
str
ong air blows against the air outlet of outdoor unit.
•
Locations whe
re
something located above the unit could fall.
It can cause r
emarkable decr
ease in performance, corr
osion and damage
of components, malfunction and fi
re
.
• Do not install the indoor unit in the locations listed below (Be sur
e
to install the indoor unit accor
ding to the installation manual for
each model because each indoor unit has each limitation).
•
Locations with any obstacles which can pr
event inlet and outlet air of the
unit.
•
Locations whe
re
vibration can be amplified due to insuf
ficient str
ength of
structu
re
.
•
Locations whe
re
the infrar
ed r
eceiver is exposed to the dir
ect sunlight or
the str
ong light beam (in case of the infrar
ed specification unit).
•
Locations whe
re
an equipment af
fected by high harmonics is placed (TV
set or radio r
eceiver is placed within 1m).
•
Locations whe
re
drainage cannot run of
f safely.
It can af
fect performance or function and etc.
• Do not install the unit near the location whe
re
leakage of
combustible gases can occur
.
If leaked gases accumulate ar
ound the unit, it can cause fi
re
.
• Do not install the unit whe
re
corr
osive gas (such as sulfu
ro
us acid
gas etc.) or combustible gas (such as thinner and pet
ro
leum gases)
can accumulate or collect, or whe
re
volatile combustible
substances ar
e handled
.
Corr
osive gas can cause corr
osion of heat exchange
r, br
eakage of plastic
parts and etc. And combustible gas can cause fi
re
.
• Do not use the indoor unit at the place whe
re
water splashes may
occur such as in laundries.
Since the indoor unit is not waterp
ro
of, it can cause electric shocks and fi
re
.
• Do not install nor use the system close to the equipment that
generates electr
omagnetic fields or high fr
equency harmonics.
Equipment such as inverters, standby generators, medical high fr
equency
equipments and telecommunication equipments can af
fect the system, and
cause malfunctions and br
eakdowns. The system can also af
fect medical
equipment and telecommunication equipment, and obstruct its function or
cause jamming.
• Do not place any variables which will be damaged by getting wet
under the indoor unit
.
When the
re
lative humidity is higher than 80% or drainage pipe is clogged,
condensation or drainage water can dr
op and it can cause the damage of
valuables.
• Do not install the wireless r
emote cont
ro
l at the dir
ect sunlight
.
It can cause malfunction or deformation of the wireless r
emote cont
ro
l.
• Do not use the unit for special purposes such as storing foods,
cooling pr
ecision instruments and pr
eservation of animals, plants or
art
.
It can cause the damage of the items.
• Do not use any materials other than a fuse with the corr
ect rating in
the location wher
e fuses ar
e to be used.
Connecting the cir
cuit with copper wi
re
or other metal thr
ead can cause
unit failu
re
and fir
e.
• Do not touch any buttons with wet hands.
It can cause electric shocks.
• Do not touch any r
efrigerant pipes with your hands when the
system is in operation.
During operation the r
efrigerant pipes become extr
emely hot or extr
emely
cold depending the operating condition, and it can cause bu
rn
injury or
frost injury
.
• Carry out the electrical work for gr
ound lead with ca
re
.
Do not connect the gr
ound lead to the gas line, water line, lightning conductor or telephone line’
s gr
ound lead. Incorr
ect gr
ounding can cause unit faults
such as electric shocks due to short-cir
cuiting.
• Do not put the drainage pipe dir
ectly into drainage channels wher
e
poisonous gases such as sulphide gas can occur
.
Poisonous gases will flow into the r
oom thr
ough drainage pipe and
seriously af
fect the user
’s
health and safety. This can also cause the
corr
osion of the indoor unit and a r
esultant unit failur
e or r
efrigerant leak.
• Ensur
e that no air enters in the r
efrigerant cir
cuit when the unit is
installed and r
emoved.
If air enters in the r
efrigerant cir
cuit, the pr
essur
e in the r
efrigerant cir
cuit
becomes too high, which can cause burst and personal injury.
• Do not pr
ocessing, splice the power cor
d, or sha
re
a socket with
other power plugs.
This may cause fir
e or electric shock due to defecting contact, defecting
insulation and over
-curr
ent etc.
• Do not bundling, winding or pr
ocessing for the power cor
d. Or
, do
not deforming the power plug due to tr
ead it.
This may cause fir
e or heating.
• Do not vent R410A into the atmospher
e : R410A is a fluorinated
gr
eenhouse gas, cover
ed by the Kyoto Pr
otocol with Gr
oval
W
arming Potential (GWP)=1975
.
• Do not run the unit with r
emoved panels or pr
otections
.
T
ouching r
otating equipments, hot surfaces or high voltage parts can cause
personal injury due to entrapment, bur
n or electric shocks.
• Do not perform any change of pr
otective device itself or its setup
condition.
The for
ced operation by short-cir
cuiting pr
otective device of pr
essu
re
switch and temperatu
re
cont
ro
ller or the use of non specified component
can cause fi
re
or burst.
WA
RNING
SAFETY PRECAUTIONS
•
Read the “SAFETY PRECAUTIONS” car
efully first of all and strictly follow it
during the installation work in or
der to pr
otect yourself.
•
The pr
ecautionary items mentioned below ar
e distinguished into two levels,
and
.
:
Wr
ong installation would cause serious consequences such
as injuries or death.
:
Wr
ong installation might cause serious consequences
depending on cir
cumstances.
Both mentions the important items to pr
otect your health and safety so strictly
follow them by any means.
•
Be
sur
e
to
confirm
no
anomaly
on
the
equipment
by
commissioning
after
com-
pleted installation and explain the operating methods as well as the maintenance
methods of this equipment to the user acco
rd
ing to the owner’
s manual.
•
Keep the installation manual together with owner
’s
manual at a place wher
e
any user can r
ead at any time. Mor
eover if necessary
, ask to hand them to a
new user
.
•
For installing qualified personnel, take pr
ecautions in r
espect to themselves by
using suitable pr
otective clothing, gr
oves, etc., and then perform the
installation works.
•
Please pay attention not to fall down the tools, etc. when installing the unit at
the high position.
•
If unusual noise can be hear
d during operation, consult the dealer
.
•
The meanings of “Marks” used her
e ar
e shown as follows:
Never do it under any
cir
cumstances.
Always do it accor
ding to the
instruction.
CAUTION
WA
RNING
CAUTION
WA
RNING
• This installation manual illustrates the method of installing an indoor
unit.
• For electrical wiring work, please see instructions set out on the
backside.
• For outdoor unit installation and r
efrigerant piping, please r
efer to
page 14.
• A wir
ed
re
mote contr
ol unit is supplied separately as an option part.
• When install the unit, be sur
e to check whether the selection of
installation place, power source specifications, usage limitation (piping length, height dif
fer
ences between indoor and outdoor units, power
source voltage and etc.) and installation spaces.
Befor
e installation check that the power source matches the air-conditione
r.
Right
Rear
Downwa
rd
Left r
ear
Left downwa
rd
Left
60
15
60
60
22.7
85.3
100
55
157.2
76.3
For Right or Left r
ear piping
For Right or Left piping
Right/Left piping
For Right or Left bottom piping
Left bottom piping
Right bottom piping
SELECTION OF INST
ALLA
TION LOCA
TION
INST
ALLA
TION OF INDOOR UNIT
Indoor unit
Installing the support of piping
(Install at location that meets the following conditions, after getting appr
oval fr
om the customer)
Wir
eless r
emote contr
ol
In case of piping in the right r
ear dir
ection
When drilling the wall that contains a metal lath, wir
e lath or metal plate, be sur
e to use pipe hole sleeve sold separately.
Taping of the exterior
To
p
Thicknese of the wall + 1.5cm
5
ø65
Indoor sid
e
Outdoor side
Indoor side
Outdoor sid
e
Installed state
Tu
rn
to
tighten
b
b
c
a
Open and detachment of the air inlet panel
Drilling of holes and fixtur
e of sleeve (Option parts)
How to r
emove the fr
ont panel
Indoor unit piping dir
ection
CAUTION
Drainage
The drain hose
tip is in water
Higher than
specified
W
avy
The gap to the gr
ound
is 5 cm or less
The drain hose ti
p
is in the gutter
Odor fr
om
the gutte
r
Whe
re
the
re
is no obstructions to the air flow and whe
re
the cooled and heated air can be evenly distributed.
A solid place wher
e the unit or the wall will not vibrate.
A place wher
e the
re
will be enough space for servicing. (Wher
e space mentioned below can be secur
ed)
Whe
re
wiring and the piping work will be easy to conduct.
The place wher
e r
eceiving part is not exposed to the dir
ect rays of the sun or the str
ong rays of the str
eet lighting.
A place wher
e it can be easily drained.
A place separated at least 1m away fr
om the television or the radio. (T
o pr
event interfer
ence to images and sounds.)
Places wher
e this unit is not af
fected by the high fr
equency equipment or electric equipment.
A
void installing this unit in place wher
e the
re
is much oil mist.
Places wher
e the
re
is no electric equipment or household under the installing unit.
Install the indoor unit on flat wall.
A place wher
e the air-conditioner can be r
eceived the signal sur
ely during operating the wir
eless r
emote contr
ol.
Places wher
e the
re
is no af
fected by the TV and radio etc.
Do not place wher
e exposed to dir
ect sunlight or near heat devices such as a stove.
To
open, pull the panel at both ends of upper
part and r
elease latches, and undo the strings.
Then r
emove the panel.
When r
emoving the air
-inlet panel, be
car
eful not to dr
op it on your feet.
CAUTION
Remove the air inlet panel.
Remove the 5 set scr
ews.
Remove the 3 latches in the upper section.
If the latches ar
e dif
ficult to r
emove, push the latch portion out using a sc
re
w
driver
, for example.
Move the lower part of the panel forwa
rd
and r
emove the 6 latches in the
under section.
1
2
3
4
Wir
eless r
emote cont
ro
l
Remote contr
ol holder
W
ood scr
ew
s
Installation boa
rd
5 cm minimum
fr
om the wall
5
cm
+
Ser
vic
e
space
(3
0c
m
)
fr
om
th
e
wall
7 cm minimum fr
om the ceiling
15 cm or below
fr
om the floor
Sleeve (sold separately)
CA
UTION
putty
putty
Indoor side
Outdoor side
Completely seal the hole
on the
wa
ll with putt
y.
Otherwise
, fur
nitur
e,
or
othe
r, ma
y be wetted
by
leak
ed
wa
ter or de
wing
.
CA
UTION
Be car
eful not to str
ess the
connecting
re
frigerant
pipse. (Do not pull with a
fo
rc
e of larger than 5 kgf.)
If imp
ro
perly installed, it
may cause abnormal noise
and vibration.
Latch
Latch
The sc
re
w of the lid is tightened secur
ely.
Drill a hole with whole cor
e drill.
In case of r
ear piping draw out, cut of
f the lower
and the right side portions of the sleeve colla
r.
18.5
91.5
45
65
65
65
470
80
65
45
Right r
ear
piping
Left r
ear
piping
Piping is possible in the rear, left, left rear,
left downward, right or downward direction.
Tape only the portion that goes through
the wall.
Always tape the wiring with the piping.
Arrange the drain hose
in a downward angle
.
Av
oid the following
drain piping.
P
our water to the drain pan located under the heat exchanger
, and ensu
re
that
the water is discharged outdoor
.
When the extended drain hose is indoo
r, secur
ely insulate it with a heat insulator
available in the market.
Suf
ficient car
e must be tak
en not to damage
the panel when connecting pipe
s.
Go th
ro
ugh all installation steps and check if the dralnage is all right.
Otherwise water leak may occu
r.
(2) Floor standing type (SRF)
Models
SRF25ZMX-S,
35ZMX-S,
50ZMX-S
Models
SRF25ZMA-S, 35ZMA-S, 50ZMA-S
