Fujitsu ASGG12LMCA Guide d'installation
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1. SAFETY PRECAUTIONS
• Be sure to read this Manual thoroughly before installation.
• The warnings and precautions indicated in this Manual contain important information
pertaining to your safety. Be sure to observe them.
• Hand this Manual, together with the Operating Manual, to the customer. Request the
customer to keep them on hand for future use, such as for relocating or repairing the
unit.
WARNING
This mark indicates procedures which, if improperly per-
formed, might lead to the death or serious injury of the user.
• Request your dealer or a professional installer to install the indoor unit in accordance
with this Installation Manual. An improperly installed unit can cause serious accidents
such as water leakage, electric shock, or ¿ re. If the indoor unit is installed in disregard
of the instructions in the Installation Manual, it will void the manufacturer’s warranty.
• Do not turn ON the power until all work has been completed. Turning ON the power
before the work is completed can cause serious accidents such as electric shock or
¿ re.
• If refrigerant leaks while work is being carried out, ventilate the area. If the refrigerant
comes in contact with a À ame, it produces a toxic gas.
• Installation work must be performed in accordance with national wiring standards by
authorized personnel only.
CAUTION
This mark indicates procedures which, if improperly
performed, might possibly result in personal harm to the user,
or damage to property.
• Read carefully all security information before use or install the air conditioner.
• Do not attempt to install the air conditioner or a part of the air conditioner by yourself.
• This unit must be installed by quali¿ ed personnel with a capacity certi¿ cate for han-
dling refrigerant À uids. Refer to regulation and laws in use on installation place.
• The installation must be carried out in compliance with regulations in force in the
place of installation and the installation instructions of the manufacturer.
• This unit is part of a set constituting an air conditioner. It must not be installed alone
or with non-authorized by the manufacturer.
• Always use a separate power supply line protected by a circuit breaker operating on
all wires with a distance between contact of 3mm for this unit.
• The unit must be correctly grounded and the supply line must be equipped with a
differential breaker in order to protect the persons.
• The units are not explosion proof and therefore should not be installed in explosive
atmosphere.
• Never touch electrical components immediately after the power supply has been
turned off. Electric shock may occur. After turning off the power, always wait 5 min-
utes before touching electrical components.
• This unit contains no user-serviceable parts. Always consult authorized service
personnel to repairs.
• When moving, consult authorized service personnel for disconnection and installation
of the unit.
2. ABOUT THE UNIT
2.1.
Precautions for using R410A refrigerant
The basic installation work procedures are the same as conventional refrigerant (R22)
models.
However, pay careful attention to the following points:
Since the working pressure is 1.6 times higher than that of conventional refrigerant
(R22) models, some of the piping and installation and service tools are special. (See
the table below.)
Especially, when replacing a conventional refrigerant (R22) model with a new refrigerant
R410A model, always replace the conventional piping and flare nuts with the R410A piping
and À are nuts.
Models that use refrigerant R410A have a different charging port thread diameter to pre-
vent erroneous charging with conventional refrigerant (R22) and for safety. Therefore,
check beforehand. [The charging port thread diameter for R410A is 1/2 inch.]
Be more careful that foreign matter (oil, water, etc.) does not enter the piping than with
refrigerant (R22) models. Also, when storing the piping ,securely seal the opening by
pinching, taping, etc.
When charging the refrigerant, take into account the slight change in the composition of
the gas and liquid phases. And always charge from the liquid phase where refrigerant
composition is stable.
2.2. Special tools for R410A
Tool name Contents of change
Gauge manifold
Pressure is high and cannot be measured with a conven-
tional (R22) gauge. To prevent erroneous mixing of other
refrigerants, the diameter of each port has been changed.
It is recommended the gauge with seals -0.1 to 5.3 MPa
(-1 to 53 bar) for high pressure.
-0.1 to 3.8 MPa (-1 to 38 bar) for low pressure.
Charge hose
To increase pressure resistance, the hose material and base
size were changed.
Vacuum pump
A conventional vacuum pump can be used by installing a
vacuum pump adapter.
Gas leakage detector
Special gas leakage detector for HFC refrigerant R410A.
Copper pipes
It is necessary to use seamless copper pipes and it is desirable that the amount of residual
oil is less than 40 mg/10 m. Do not use copper pipes having a collapsed, deformed or
discolored portion (especially on the interior surface). Otherwise, the expansion value or
capillary tube may become blocked with contaminants.
As an air conditioner using R410A incurs pressure higher than when using R22, it is neces-
sary to choose adequate materials.
WARNING
Do not use the existing (for R22) piping and À are nuts.
If the existing materials are used, the pressure inside the refrigerant cycle will rise and
cause failure, injury, etc. (Use the special R410A materials.)
When installing and relocating the air conditioner, do not mix gases other than
the speci¿ ed refrigerant (R410A) to enter the refrigerant cycle.
If air or other gas enters the refrigerant cycle, the pressure inside the cycle will rise to
an abnormally high value and cause failure, injury, etc.
AIR CONDITIONER
Wall Mounted Type
INSTALLATION MANUAL
Contents
1. SAFETY PRECAUTIONS ..................................................................1
2. ABOUT THE UNIT ............................................................................. 1
3. GENERAL SPECIFICATION .............................................................2
4. ELECTRICAL REQUIREMENT .........................................................2
5. SELECTING THE MOUNTING POSITION .......................................2
6. INSTALLATION WORK .....................................................................3
7. ELECTRICAL WIRING .....................................................................5
8. FINISHING ........................................................................................5
9. FRONT PANEL REMOVAL AND INSTALLATION ............................. 6
10. TEST RUN .........................................................................................6
11. REMOTE CONTROLLER INSTALLATION ........................................ 6
12. OPTIONAL KIT INSTALLATION (OPTION) .......................................6
13. INSTALLATION WORK .....................................................................7
14. FUNCTION SETTING........................................................................9
15. CUSTOMER GUIDANCE ................................................................10
16. ERROR CODES ...............................................................................11
PART No. 9333005157
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2.3.
For authorized service personnel only
WARNING
• For the air conditioner to operate satisfactorily, install it as outlined in this installation
manual.
• Connect the indoor unit and outdoor unit with the air conditioner piping and cables
available from your local distributor. This installation manual describes the correct
connections using the installation set available from your local distributor.
• Installation work must be performed in accordance with national wiring standards by
authorized personnel only.
• Do not turn on the power until all installation work is complete.
CAUTION
This installation manual describes how to install the indoor unit only.
To install the outdoor unit, refer to the installation manual included with the outdoor unit.
• Be careful not to scratch the air conditioner when handling it.
• After installation, explain correct operation to the customer, using the operating manual.
2.4. Accessories
The following installation accessories are supplied. Use them as required.
Name and Shape
Q’ty
Name and Shape
Q’ty
Operating Manual
1
Cloth tape
1
Installation Manual
(This manual)
1
Seal A
It is used when the diameter of
gas pipe is Ø12.70 or more.
It is necessary when using AS14.
1
Wall hook bracket
1
Tapping screw
(M4 × 25 mm)
5
Remote controller
1
Tapping screw
(M3 × 12 mm)
2
Battery
2
Air cleaning filter
2
Remote controller holder
1
Filter holders
2
The following items are necessary to install this air conditioner. (The items are not includ-
ed with the air conditioner and must be purchased separately.)
Name Q’ty Name Q’ty
Connection pipe assembly 1 Wall cap 1
Connection cable (4-conductor)
1 Saddle 1 set
Wall pipe 1 Drain hose 1
Decorative tape 1 Tapping screws 1 set
Vinyl tape 1 Sealant 1
2.5. Optional parts
Refer to each installation manual for the method of installing optional parts.
Parts name Model No. Application
Wired Remote Controller * UTY-RVN¾M For air conditioner operation
Wired Remote Controller * UTY-RNN¾M For air conditioner operation
Simple Remote Controller * UTY-RSN¾M For air conditioner operation
External connect kit * UTY-XWZXZ5 For control input/output port
Communication kit UTY-XCBXZ2 For the installation of optional parts
* Optional communication kit is necessary for the installation.
3. GENERAL SPECIFICATION
This INSTALLATION MANUAL brieÀ y outlines where and how to install the air conditioning system.
Please read over the entire set of instructions for the indoor and outdoor units and make sure all
accessory parts listed are with the system before beginning.
3.1. Type of copper pipe and insulation material
CAUTION
Refer to the installation manual for the outdoor unit for description of allowable pipe length
and height difference.
Capacity of indoor unit
Gas pipe size (thickness)
[mm]
Liquid pipe size (thickness)
[mm]
7, 9, 12
Ø
9.52 (0.8)
Ø
6.35 (0.8)
14
Ø
12.70 (0.8)
Ø
6.35 (0.8)
CAUTION
• Install heat insulation around both the gas and liquid pipes. Failure to do so may
cause water leaks.
•
Use heat insulation with heat resistance above 120 °C. Reverse cycle model only)
• In addition, if the humidity level at the installation location of the refrigerant piping is
expected to exceed 70%, install heat insulation around the refrigerant piping. If the
expected humidity level is 70-80%, use heat insulation that is 15 mm or thicker and if
the expected humidity exceeds 80%, use heat insulation that is 20 mm or thicker.
•
If heat insulation is used that is not as thick as speci¿ ed, condensation may form on the
surface of the insulation.
•
In addition, use heat insulation with heat conductivity of 0.045 W/(m•K) or less 20 °C.
3.2. Additional materials required for installation
A. Refrigeration (armored) tape
B. Insulated staples or clamps for connecting wire (See your local electrical codes.)
C. Putty
D. Refrigeration lubricant
E. Clamps or saddles to secure refrigerant piping
4. ELECTRICAL REQUIREMENT
The indoor unit is powered from the outdoor unit. Do not power indoor unit from separate
power source.
WARNING
Refer to local codes for acceptable cable type.
Cable
Cable size
Remarks
Connection cable
Type 60245 IEC 57
(1.5 mm
2
)
3 cable + Ground, 1.5 Ø 230 V
Max. Cable Length: Limit voltage drop to less than 2%. Increase cable gauge if voltage
drop is 2% or more.
5. SELECTING THE MOUNTING POSITION
Decide the mounting position with the customer as follows:
5.1. Indoor unit
(1) Install the indoor unit level on a strong wall which is not subject to vibration.
(2) The inlet and outlet ports should not be obstructed : the air should be able to blow all
over the room.
(3)
Install the unit a dedicated electrical branch circuit.
(4)
Do not install the unit where it will be exposed to direct sunlight.
(5)
Install the unit where connection to the outdoor unit is easy.
(6) Install the unit where the drain pipe can be easily installed.
(7) Take servicing, etc. into consideration and leave the spaces shown in [6.1. Installation
dimensions]. Also install the unit where the ¿ lter can be removed.
Correct initial installation location is important because it is dif¿ cult to move unit after it is
installed.
WARNING
Select installation locations that can properly support the weight of the indoor. Install
the units securely so that they do not topple or fall.
CAUTION
Do not install the unit in the following areas:
•
Area with high salt content, such as at the seaside. It will deteriorate metal parts, causing the
parts to fail or the unit to leak water.
•
Area ¿ lled with mineral oil or containing a large amount of splashed oil or steam, such as a
kitchen.
It will deteriorate plastic parts, causing the parts to fail or the unit to leak water.
•
Area that generates substances that adversely affect the equipment, such as sulfuric gas,
chlorine gas, acid, or alkali.
It will cause the copper pipes and brazed joints to corrode, which can cause refrigerant leakage.
•
Area that can cause combustible gas to leak, contains suspended carbon ¿ bers or À ammable
dust, or volatile inÀ ammables such as paint thinner or gasoline.
•
If gas leaks and settles around the unit, it can cause a ¿ re.
•
Area where animals may urinate on the unit or ammonia may be generated.
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• Do not use the unit for special purposes, such as storing food, raising animals, grow-
ing plants, or preserving precision devices or art objects.
• It can degrade the quality of the preserved or stored objects.
• Do not install where there is the danger of combustible gas leakage.
• Do not install the unit near a source of heat, steam, or À ammable gas.
• Install the unit where drainage does not cause any trouble.
• Install the indoor unit, outdoor unit, power supply cable, transmission cable, and re-
mote control cable at least 1 m away from a television or radio receivers. The purpose
of this is to prevent TV reception interference or radio noise.
• (Even if they are installed more than 1 m apart, you could still receive noise under
some signal conditions.)
• If children under 10 years old may approach the unit, take preventive measures so
that they cannot reach the unit.
• Install the indoor unit on the wall where the height from the À oors more than 1800 mm.
6. INSTALLATION WORK
6.1. Installation dimensions
70 mm or over
1.5 m or over
Remote
controller
Remote controller holder
Tapping screw (small)
1.8 m
or over
(Wallcap)
63 mm or over
Wall hook
bracket
130 mm or over
6.2. Indoor unit piping direction
The piping can be connected in the
6
directions indicated in the following.
When the piping is connected in direction
2
,
3
,
4
or
5
,
cut along the piping groove in
the side of the front cover with a hacksaw.
2
Right
outlet
5
Left
outlet
6
Left rear
outlet
3
Bottom outlet
1
Rear outlet
4
Left bottom outlet
(Rear)
6.3.
Cutting the hole in the wall for the connecting piping
(1) Cut a 65 mm diameter hole in the wall at the position shown in the following.
(2) Cut the hole so that the outside end is lower (5 to 10 mm) than the inside end.
(3) Always align the center of the wall hole. If misaligned, water leakage will occur.
(4)
Cut the wall pipe to match the wall thickness, stick it into the wall cap, fasten the cap with
vinyl tape, and stick the pipe through the hole.
(5) For left piping and right piping, cut the hole a little lower so that drain water will À ow
freely.
Wall
Fasten with
vinyl tape
65 mm dia. hole
65 mm dia. hole
Wall hook bracket
Center mark
Center mark
Wall cap*
Wall pipe*
(Inside)
(Outside)
5 to 10 mm low
*Field supplied
WARNING
If the wall pipe is not used, the cable interconnecting the indoor unit(s) and outdoor unit
may touch metal and cause electric discharge.
6.4. Installing the wall hook bracket
• Remove the wall hook bracket from the indoor unit. (Remove 2 screws).
(1) Install the wall hook bracket so that it is correctly positioned horizontally and vertically.
If the wall hook bracket is titled, water will drip to the À oor.
(2)
Install the wall hook bracket so that it is strong enough to support the weight of the unit.
•
Fasten the wall hook bracket to the wall with 5 or more screws through the holes near the
outer edge of the bracket.
•
Check that there is no rattle at the wall hook bracket.
Wall hook bracket
Tapping screw
CAUTION
Install the wall hook bracket both horizontally and vertically aligned. Misaligned installa-
tion may cause water leakage.
6.5.
Forming the drain hose and pipe
[Rear piping, Right piping, Bottom piping]
• Install the indoor unit piping in the direction of the wall hole and bind the drain hose
and pipe together with vinyl tape.
• Install the piping so that the drain hose is at the bottom.
• Wrap the pipes of the indoor unit that are visible from the outside with decorative tape.
[For Left rear piping, Left piping]
Interchange the drain cap and the drain hose.
CAUTION
• Insert drain hose and drain cap securely. Drain should slope down to avoid water leakage.
• When inserting, be sure not to attach any material besides water. If any other material
is attached, it will cause deterioration and water leakage.
• After removing drain hose, be sure not to forget mounting drain cap.
• Be sure to ¿ x the drain hose with tape to the bottom of piping.
•
Prevent drain water freezing under low temperature environment.
When installing indoor unit’s drain hose outdoors, necessary measure for frost
protection should be taken to prevent drain water freezing.
Under low temperature environment (when outdoor temperature under 0 °C), after cooling
operation is executed, water in the drain hose could be frozen. Once drain water is frozen,
the drain hose will be blocked and water leakage may result at the indoor unit.
Installation method of Drain cap
Use a hexagonal wrench 4 mm at opposite side to insert
the drain cap, till the drain cap contacts the tip of drain
cock.
Right piping
Bottom piping
Bind with vinyl tape
Refrigerant pipes (top)
Rear piping
Indoor unit drain hose (bottom)
No gap
Hexagonal
wrench
Drain
cock
Drain cap
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For left outlet piping,
cut off the piping
outlet cutting groove
with a hacksaw.
Indoor unit
drain hose
Drain cap
Remove the drain cap by pull-
ing at the projection at the end
of the cap with pliers, etc.
Removal method of drain hose
Remove the screw at the left of drain
hose and pull out drain hose.
Installation method of drain hose
Vertically insert the drain hose toward the
inside, so that the drain ¿ xture (white) can ac-
curately align with the screw hole around the
drain cock.
After inserting and before replacing, please
reinstall and ¿ x the removed screws.
• Please hold around the joint of the drain hose during working.
•
As the screw is inside, be sure to use screwdriver treated with magnet.
Screw
Drain fixture
Drain hose
Screw hole
Drain cock
Drain hose
Screw
Drain fixture
•
For left piping and left rear piping, align the marks on the wall hook bracket and shape the
connection pipe.
• Bend the connection piping at a bend radius of 70 mm or more and install no more than
35 mm from the wall.
•
After passing the indoor piping and drain hose through the wall hole, hang the indoor unit on
the hooks at the top and bottom of the wall hook bracket.
[Installing the indoor unit]
• Hang the indoor unit from the hooks at the top of the wall hook bracket.
• Insert the spacer, etc. between the indoor unit and the wall hook bracket and separate
the bottom of the indoor unit from the wall.
Indoor unit
Wall hook bracket
(Spacer)
Connection pipe (6.35 mm dia.)
Align the marks
Indoor unit
Connection pipe (9.52 or 12.7 mm dia.)
Top hooks
Bottom hooks
Wall hook bracket
Bend R70 mm with
a pipe bender
After hooking the indoor unit to the top hook, hook the ¿ ttings of the indoor unit to the 2
bottom hooks while lowering the unit and pushing it against the wall.
6.6. Flare connection (Pipe connection)
CAUTION
Tighten the À are nuts with a torque wrench using the speci¿ ed tightening method. Oth-
erwise, the À are nuts could break after a prolonged period, causing refrigerant to leak
and generate hazardous gas if the refrigerant comes into contact with a À ame.
6.6.1. Flaring
Use special pipe cutter and À are tool exclusive for R410A.
(1) Cut the connection pipe to the necessary length with a pipe cutter.
(2) Hold the pipe downward so that cuttings will not enter the pipe and remove any burrs.
(3)
Insert the À are nut (always use the À are nut attached to the indoor unit(s) and outdoor
unit respectively) onto the pipe and perform the À are processing with a À are tool. Use the
special R410A À are tool, or the conventional À are tool. Leakage of refrigerant may result if
other À are nuts are used.
(4) Protect the pipes by pinching them or with tape to prevent dust, dirt, or water from
entering the pipes.
Die
A
Pipe
B
L
Check if [L] is flared uniformly
and is not cracked or scratched.
Pipe outside diameter
[mm (in.)]
Dimension A [mm]
Dimension B
[mm]
Flare tool for R410A, clutch type
6.35 (1/4)
0 to 0.5
9.1
9.52 (3/8) 13.2
12.70 (1/2) 16.6
15.88 (5/8) 19.7
19.05 (3/4) 24.0
When using conventional À are tools to À are R410A pipes, the dimension A should be ap-
proximately 0.5 mm more than indicated in the table (for À aring with R410A À are tools) to
achieve the speci¿ ed À aring. Use a thickness gauge to measure the dimension A.
Width across
flats
Pipe outside diameter
[mm (in.)]
Width across flats of Flare
nut [mm]
6.35 (1/4) 17
9.52 (3/8) 22
12.70 (1/2) 26
15.88 (5/8) 29
19.05 (3/4) 36
6.6.2. Bending pipes
• If pipes are shaped by hand, be careful not to collapse them.
• Do not bend the pipes in an angle more than 90°.
• When pipes are repeatedly bend or stretched, the material will harden, making it dif¿ cult
to bend or stretch them any more.
• Do not bend or stretch the pipes more than 3 times.
CAUTION
• To prevent breaking of the pipe, avoid sharp bends.
• If the pipe is bent repeatedly at the same place, it will break.
6.6.3. Pipe connection
CAUTION
• Be sure to Install the pipe against the port on the indoor unit correctly. If the centering
is improper, the À are nut cannot tighten smoothly. If the À are nut is forced to turn, the
threads will be damaged.
• Do not remove the À are nut from the indoor unit pipe until immediately before con-
necting the connection pipe.
• Hold the torque wrench at its grip, keeping it in the right angle with the pipe, in order
to tighten the À are nut correctly.
• Tighten the À are nuts with a torque wrench using the speci¿ ed tightening method.
Otherwise, the À are nuts could break after a prolonged period, causing refrigerant to
leak and generate hazardous gas if the refrigerant comes into contact with a À ame.
CAUTION
• Connect the piping so that the control box cover can easily be removed for servicing
when necessary.
• In order to prevent water from leaking into the control box, make sure that the piping
is well insulated.
When the flare nut is tightened properly by your hand, hold the body side coupling with a
wrench, then tighten with a torque wrench. (See the table below for the flare nut tightening
torques.)
Tighten with two wrenches.
Holding wrench
Flare nut
Connection pipe
Torque wrench
Indoor unit pipe
(Body side)
Flare nut [mm (in.)] Tightening torque [N·m (kgf·cm)]
6.35 (1/4) dia. 16 to 18 (160 to 180)
9.52 (3/8) dia. 32 to 42 (320 to 420)
12.70 (1/2) dia. 49 to 61 (490 to 610)
15.88 (5/8) dia. 63 to 75 (630 to 750)
19.05 (3/4) dia. 90 to 110 (900 to 1,100)
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7. ELECTRICAL WIRING
7.1.
Wiring system diagram
WARNING
• Every wire must be connected ¿ rmly.
• No wire should be allowed to touch refrigerant tubing, the compressor or any mov-
ing part.
• Loose wiring may cause the terminal to overheat or result in unit malfunction. A ¿ re
hazard may also exist. Therefore, be sure all wiring is tightly connected.
• Connect wires to the matching numbers of terminals.
Grounding line
Type 60245 IEC57
(Inter-unit)
OUTDOOR UNIT
Please connect it to
the speci¿ ed terminal.
INDOOR UNIT
TERMINAL
Power line
Control line
7.2.
Indoor unit wiring
1. Remove the wire cover. (Remove 1 screw.)
2. Remove the cable clamp.
3. Ring terminals connect to the connection cable.
4. Connect the ring terminals fully into the terminal block.
5. Fasten the connection cable with a cable clamp.
Wire cover
Wire cover
Screw
Screw
Screw
Screw
Earth (Ground) wire
Insert the wire cover tab into the square hole
of the indoor unit and fasten with a screw.
Connection cable
60 mm
40 mm
Cable clamp
Cable clamp
7.3. How to connect wiring to the terminals
Caution when wiring cable
When stripping off the insulation of a lead wire, always use a special tool such as a wire
stripper. If there is no special tool available, carefully strip the insulation with a knife etc.
(1) Use ring terminals with insulating sleeves as shown in the ¿ gure below to connect to
the terminal block.
(2) Securely clamp the ring terminals to the wires using an appropriate tool so that the
wires do not come loose.
Strip : 10 mm
Ring terminal
Sleeve
(3) Use the speci¿ ed wires, connect them securely, and fasten them so that there is no
stress placed on the terminals.
(4) Use an appropriate screwdriver to tighten the terminal screws. Do not use a screw-
driver that is too small, otherwise, the screw heads may be damaged and prevent the
screws from being properly tightened.
(5) Do not tighten the terminal screws too much, otherwise, the screws may break.
Screw with special washer
Wire
Ring terminal
Terminal blocks
Wire
Screw with special washer
Ring terminal
(6) See the table below for the terminal screw tightening torques.
Tightening torque [N·m (kgf·cm)]
M4 screw 1.2 to 1.8 (12 to 18)
CAUTION
• Match the terminal block numbers and connection cable colors with those of the
outdoor unit.
Erroneous wiring may cause burning of the electric parts.
• Connect the connection cables ¿ rmly to the terminal block. Imperfect installation may
cause a ¿ re.
• Always fasten the outside covering of the connection cable with the cable clamp. (If
the insulator is chafed, electric discharge may occur.)
• Always connect the ground wire.
• Do not use the earth screw of the indoor unit for the connection other than a speci¿ ed
outdoor unit.
8. FINISHING
(1) Insulate between pipes.
• Insulate suction and discharge pipes separately.
• For rear, right, and bottom piping, overlap the connection pipe heat insulation and
indoor unit pipe heat insulation and bind them with vinyl tape so that there is no gap.
• For left and left rear piping, butt the connection pipe heat insulation and indoor unit
pipe heat insulation together and bind them with and vinyl tape so that there is no gap.
• For left and left rear piping, wrap the area which accommodates the rear piping
housing section with cloth tape.
• For left and left rear piping, bind the connection cable to the top of the pipe with
vinyl tape.
• For left and left rear piping, bundle the piping and drain hose together by wrapping
them with cloth tape over the range within which they ¿ t into the rear piping
housing section.
(2) Temporarily fasten the connection cable along the connection pipe with vinyl tape.
(Wrap to about 1/3 the width of the tape from the bottom of the pipe so that water
does not enter.)
(3) Fasten the connection pipe to the outside wall with a saddle, etc.
(4) Fill the gap between the outside wall pipe hole and the pipe with sealer so that rain
water and wind cannot blow in.
(5) Fasten the drain hose to the outside wall, etc.
*Locally purchased
Pipe
Saddle*
Outside wall cap*
Sealer putty*
(Outdoors)
Wall
Overlap the insulation
Vinyl tape
Wrap with cloth tape
Cloth tape
Drain hose
Connection cable
Pipe
Drain hose
Check the following:
GOOD
Drain hose
Saddle
Lifted up Wave End in water
Drain hose Connection pipe
Wall pipe Connection cable
Left piping For connection from the left rear
Pipe
Connection pipe
(heat insulation)
Indoor unit pipe
(heat insulation)
PROHIBITED
Bind the pipes together
so that there is no gap.
Seal A is used when the diameter
of gas pipe is Ø12.70 or more.
Butt connection pipe (heat
insulation) against the indoor
unit pipe (heat insulation) and
wrap with seal A so that there
is no gap.
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9. FRONT PANEL REMOVAL AND INSTALLATION
Intake grill removal Intake grill installation
b
a
Open the intake
grille. While gently
pressing the left
and right mounting
shafts of the intake
grille outward “a”,
remove the intake
grille in direction of
the arrow “b”.
c
While holding the
grille horizontal, set
the left and right
mounting shafts into
the pillow blocks at
the top of the panel
“c”.
To latch each shaft
properly, insert the
shaft until it snaps.
Press 4 places on
the intake grille to
close it completely.
9.1. Front panel removal
(1) Remove intake grille (Reference the intake grille removal.)
(2) Remove 3 caps.
(3) Remove wire cover.
(4) Remove 6 screws.
Screws (Wire cover )
Screws ( 6 position )
Caps ( 3 position )
Wire cover
(5) The front panel is pulled to the front, raising the upper surface, and a front panel is
removed.
Front panel
9.2. Front panel installation
(1) First, ¿ t the lower part of the front panel, and insert top and bottom hooks. (3 top
sides, 2 center)
Indoor unit
Front panel
Latchs (2 position)
Center hooks
(2 position)
Top hooks
(3 position)
Top holes (6 position)
(2) Attach the 6 screws.
(3) Attach the wire cover.
(4) Attach the 3 caps.
(5) Attach the intake grille.
CAUTION
Install the Front panel and Intake grille securely. If installation is imperfect, the Front
panel or Intake grille may fall off and cause injury.
10. TEST RUN
Check items
(1) Is operation of each button on the remote control unit normal?
(2) Does each lamp light normally?
(3) Do air À ow direction louvers operate normally?
(4) Is the drain normal?
(5) Do not have an abnormal noise and vibration during operation?
x
Do not operate the air conditioner in test run for a long time.
[Operation method]
x
For the operation method, refer to the operating manual.
x
The outdoor unit, may not operate, depending on the room temperature. In this case,
keep on pressing the “MANUAL AUTO” button of the indoor unit for more than 10
seconds. The operation indicator lamp and timer indicator lamp will begin to À ash
simultaneously during cooling test run. Then, heating test run will begin in about three
minutes when “HEAT” is selected by the remote control operation. (Please follow the
operating manual for remote control operation.)
x
To end test operation, press the remote controller “START/STOP” button.
(When the air conditioner is running by pressing the “TEST RUN” button, the
OPERATION Lamp and TIMER Lamp will simultaneously À ash slowly.)
[Using the wired remote control] (Option)
For the operation method, refer to the operating manual.
(1) Stop the air conditioner operation.
(2) Press the “MODE” button and the “FAN” button simultaneously for 2 seconds or more
to start the test run.
Test run display
(3) Press the “START/STOP” button to stop the test run.
11. REMOTE CONTROLLER INSTALLATION
CAUTION
• Check that the indoor unit correctly receives the signal from the remote controller,
then install the remote controller holder.
• Select the remote controller holder selection site by paying careful attention to the
following:
Avoid places in direct sunlight.
Select a place that will not be affected by the heat from a stove, etc.
11.1. Remote controller holder installation
x
Install the remote controller a maximum distance of 7 m from the remote control re-
ceiver. However, when installing the remote controller, check that it operates correctly.
x
I
nstall the remote controller holder to a wall, pillar, etc. with the tapping screw.
remote controller
holder ¿ xing
Remote
controller holder
Tapping screw
(small)
remote controller
mounting
Remote
controller
2
Push
1
Set
12. OPTIONAL KIT INSTALLATION (OPTION)
This air conditioner can be connected with the following optional kits.
• Wired remote controller
• Simple remote controller
• External connect kit
BEFORE INSTALL WIRED REMOTE CONTROLLER
• When you use wired remote controller, some functions may not be used.
CAUTION
• Before installing, be sure to disconnect all power supply.
• Don’t touch the heat exchanger.
• During installing or removing operation, be sure not to have wire caught by parts or
draw it hard. Or it may result troubles to the air-conditioner.
• Avoid place in direct sunlight.
• Select place that will not be affected by the heat from a stove, etc
• Before setting up the optional kit, please con¿ rm whether air-conditioner can receive
the signal.
• Do not connect the wired remote controller to the terminal for power supply.
• When connecting the wired remote controller with the indoor unit, use the connecting
cable (supplied with wired remote controller or simple remote controller).
• Recommended cable length of wired remote controller is 10 m. Make sure to do
insulate of connecting part when extended the cable.
En-7
(7)
(5)
(5)(6)Cover
Detail view
13.3.
Installing communication box
13.3.1. Removing intake grille
( Refer to 9.1. Front panel removal )
13.3.2. Removing control box
(1) Remove the screws (x4). (Use the same screws when installing.)
(2) Pull the control box cover towards you and remove.
(1)
(1)
(2)
(1)
(1)
(3) Remove the connectors (x4).
• Remove and pull off the lock at the side of the connector insertion part.
CAUTION
• Be careful not to damage the parts on the board.
Otherwise, it will cause malfunction.
Connector number: CN 5
Connector number: CN 4
Connector number: CN 3
Connector number: CN 7
* : Symbol indicating the location printed on the board
(4) Remove the wires from the three fixtures. (See the figure below)
• Leave the thick green wire in fixture C and remove the rest of the wires.
CAUTION
• Do not pull the wires forcibly.
You may damage them.
Fixture A
Before After
Fixture B
Fixture C
Fixture C
Do not connect power supply with the terminal.
INDOOR UNIT
PCB
TERMINAL
13.
INSTALLATION WORK
13.1.
Remote controller cord modi¿ cation
(1) Use a tool to cut off the terminal on the end of the remote controller cord, and then
remove the insulation from the cut end of the cord.
(2) Connect the remote controller cord and connecting cord.
(supplied with wired remote controller)
Important: Be sure to insulate the connection between the cords.
Connecting cord
White
Red
White
Red
Black
Black
Insulated
connection
Remote
controller cord
Remote
controller cord
20 mm
13.2.
Installing wired remote controller terminal /
external connect kit terminal (sold separately)
(1) Remove the screw on the control box as shown on the top right of the figure below.
(2) Release both bottom clasps at the sides in the direction of the arrow as circled in
the bottom left of the figure below. Pull and remove the cover.
(2)
(1)
Cover
(3) Connect the wired remote controller terminal / external connect kit terminal (sold
separately) to the specified terminal on the board as shown below. Please connect
to the connector with necessary function according to the actual usage.
(4) After connecting each terminal, thread the cables through the notch as circled on
the bottom right of the figure below.
(3) Control input (Operation/
Stop or Forced stop) con-
nector
: CNA01(White) *
(3) Wired remote controller
connector
: CNC01(White) *
* : Symbol indicating the location printed on the board
(3) Error Status output
connector
: CNB02(Black) *
(3) Operation status
output connector
: CNB01(White) *
(4)
(5) Install the control box cover as shown below.
(Align the cover with the upper and lower right corners as indicated by the triangular
symbols on the figure.
Insert the clasps on the cover into both sides at the bottom of the two dotted
circles.)
• When installing the control box cover, make sure that the cables are not caught as
shown in the detail view.
(6) Install one screw.
(7) Screw the earth wire of wired remote controller as shown
in the figure. (AUSTRALIA model only).
En-8
(5) While pulling the control box towards you, remove in the right direction.
• Do not remove the thermistor.
• Do not damage the terminals on the removed wires. (See the figure below)
Thermistor
Control box
Terminals
Control box
(5)
13.3.3. Installing communication box
(1) Install the communication box on the main unit and secure it with the provided
screw at the location shown below.
View A (Detail view)
Screw
Motor cover
View A (Detail view)
(2) Use the hole on the motor cover and secure the wire from the communication box
with the provided binder.
(See the figure below)
Binder
Cut away the tip of
the binder.
Hole
13.3.4. Installing control box
(1) Set the control box toward the bottom so that it touches the motor cover from the
right.
Insert the protruding part of the main
unit on the ¿ xture (1 location) into
the control box.
Control box
• The installation method of the control box is different for each destination country.
(See figure below)
(When installing, reuse the screw that was removed in
13.3.2. Removing control
box
.)
(2) Secure the control box with a screw. (Use a long screw.)
(3)
(2)
(3) Fasten the earth wires of the heat exchanger together as shown in the left figure
above. (Use a short screw here.)
(4) Hitch the wires onto the fixtures as shown in the oval circles below. Then connect
the connectors in the squares to the terminals respectively.
(Each terminal should form a pair with a connector.)
CAUTION
• Ensure that the connector is properly inserted.
Otherwise, it may result in erroneous operation.
• Be careful not to damage the parts on the board. Otherwise, it will cause
malfunction.
(4)
(5) Fasten the earth wire (green) in the communication box together with the earth
wire (green) on the board of the control box as shown below and in the bottommost
figure of the previous page.
En-9
(5)
(6) Install the cover of the control box onto the inner side of the rib as shown below.
CAUTION
• Do not cut or tuck the wires with the electrical component box cover.
An electric shock may occur if the wires are damaged.
(7) Tighten with screws to prevent the cover of the control box from falling off.
(When installing, reuse the screws that was removed in 13.3.2. Removing control
box.)
(7)
(7)
(6)
(8) Paste protect seals (2 locations) to prevent the wires from sticking out.
(8)
12.3.6. Installing front panel
( Refer to 9.2. Front panel installation )
14. FUNCTION SETTING
Perform the “FUNCTION SETTING” according to the installation conditions using the remote
controller.
CAUTION
• Con¿ rm whether the wiring work for Outdoor unit has been ¿ nished.
• Con¿ rm that the cover for the electrical enclosure on the outdoor unit is in place.
• This procedure changes to the function settings used to control the indoor unit according
to the installation conditions. Incorrect settings can cause the indoor unit to malfunction.
• After the power is turned on, perform the “FUNCTION SETTING” according to the
installation conditions using the remote controller.
• The settings may be selected between the following two: Function Number or Setting
Value.
• Settings will not be changed if invalid numbers or setting values are selected.
• Refer to the installation manual enclosed with the remote control unit when the wired
remote control unit (option ) is used.
Entering the Function Setting Mode
While pressing the POWERFUL button and SET TEMP. ( ) simultaneously, press the RESET
button to enter the function setting mode.
STEP 1
Selecting the Remote Controller Custom Code
Use the following steps to select the custom code of the remote con-
troller. (Note that the air conditioner cannot receive a signal if the air
conditioner has not been set for the matching custom code.)
The custom codes that are set through this process are applicable only
to the signals in the FUNCTION SETTING. For details on how to set
the custom codes through the normal process, refer to Remote control-
ler custom code.
(1) Press set TEMP. ( / ) button to change the custom
code between
AļBļCļD
. Match the code on the display
to the air conditioner custom code. (initially set to A) (If the
custom code does not need to be selected, press the 10
°C
HEAT button and proceed to STEP 2.)
(2)
Press the MODE button and check that the indoor unit can
receive signals at the displayed custom code.
(3) Press the 10
°C
HEAT button to accept the custom code,
and proceed to STEP 2.
The air conditioner custom code is set to A prior to shipment. Contact your retailer to
change the custom code.
The remote controller resets to custom code A when the batteries in the remote con-
troller are replaced. If you use a custom code other than custom code A, reset the
custom code after replacing the batteries.
If you do not know the air conditioner custom code setting, try each of the custom
codes (
AļBļCļD
) until you ¿ nd the code which operates the air conditioner.
STEP 2
Selecting the Function Number and Setting Value
(1) Press the set TEMP. ( / ) buttons to select the function number. (Press the 10
°C
HEAT button to switch between the left and right dig-
its.)
(2) Press the
POWERFUL
button to proceed to setting
value. (Press the
POWERFUL
button again to return
to the function number selection.)
(3) Press the set TEMP. (
/ ) buttons to select the
setting value. (Press the 10
°C
HEAT button to switch
between the left and right digits.)
(4) Press the MODE button, and START/STOP button, in
the order listed to con¿ rm the settings.
(5) Press the RESET button to cancel the function set-
ting mode.
(6) After completing the FUNCTION SETTING, be sure
to turn off the power and turn it on again.
Function Number
Setting
Value
En-10
CAUTION
After turning off the power, wait 10 seconds or more before turning on it again.
The Function Setting does not become active unless the power is turned off then on
again.
Filter sign
The indoor unit has a sign to inform the user that it is time to clean the ¿ lter. Select the
time setting for the ¿ lter sign display interval in the table below according to the amount of
dust or debris in the room. If you do not wish the ¿ lter sign to be displayed, select the set-
ting value for “No indication”.
(Ƈ... Factory setting)
Function number Setting value Setting description
11
00 Standard (400 hours)
01 Long interval (1,000 hours)
02 Short interval (200 hours)
03 No indication Ƈ
Cooling room temperature correction
Depending on the installed environment, the room temperature sensor may require a cor-
rection.
The settings may be selected as shown in the table below.
(Ƈ... Factory setting)
Function number Setting value Setting description
30
00 Standard Ƈ
01 Slightly lower control
02 Lower control
03 Warmer control
Heating room temperature correction
Depending on the installed environment, the room temperature sensor may require a cor-
rection.
The settings may be changed as shown in the table below.
(Ƈ... Factory setting)
Function number Setting value Setting description
31
00 Standard Ƈ
01 Lower control
02 Slightly warmer control
03 Warmer control
Auto restart
Enable or disable automatic system restart after a power outage.
(Ƈ... Factory setting)
Function number Setting value Setting description
40
00 Yes Ƈ
01 No
* Auto restart is an emergency function such as for power failure etc. Do not start and stop
the indoor unit by this function in normal operation. Be sure to operate by the control unit,
or external input device.
Indoor room temperature sensor switching function
(Only for Wired remote controller)
The following settings are needed when using the Wired remote controller temperature
sensor.
(Ƈ... Factory setting)
Function number Setting value Setting description
42
00 No Ƈ
01 Yes
* If setting value is “00” :
Room temperature is controlled by the indoor unit temperature sensor.
* If setting value is “01” :
Room temperature is controlled by either indoor unit temperature sensor or remote con-
troller unit sensor.
Remote controller custom code
Change the indoor unit custom code, depending on the remote controllers.
(Ƈ... Factory setting)
Function number Setting value Setting description
44
00 A Ƈ
01 B
02 C
03 D
External input control
“Operation/Stop” mode or “Forced stop” mode can be elected.
(Ƈ... Factory setting)
Function number Setting value Setting description
46
00 Operation/Stop mode Ƈ
01 (Setting forbidden)
02 Forced stop mode
Indoor unit fan control for energy saving
Enable or disable indoor unit fan control when the outdoor unit is stopped.
(Ƈ... Factory setting)
Function number Setting value Setting description
49
00 No Ƈ
01 Yes
*If setting value is “00”:
When the outdoor unit is stopped, the indoor unit fan operates following the setting on the
remote controller continuously.
*If setting value is “01”:
When the outdoor unit is stopped, the indoor unit fan operates at very low speed intermit-
tently.
Setting record
Record any changes to the settings in the following table.
Setting description Setting value
Filter sign
Cooling room temperature correction
Heating room temperature correction
Auto restart
Indoor room temperature sensor switching function
Remote controller signal code
External input control
Indoor unit fan control for energy saving
After completing the FUNCTION SETTING, be sure to turn off the power and turn it on
again.
15. CUSTOMER GUIDANCE
Explain the following to the customer in accordance with the operating manual:
(1) Starting and stopping method, operation switching, temperature adjustment, timer, air
À ow switching, and other remote control unit operations.
(2) Air ¿ lter removal and cleaning, and how to use the air louvers.
(3) Give the operating manual to the customer.
En-11
16. ERROR CODES
If you use a wireless remote controller, the lamp on the photo detector unit will output error
codes by way of blinking patterns. If you use a wired remote controller, error codes will ap-
pear on the remote control display. See the lamp blinking patterns and error codes in the
table. An error display is displayed only during operation.
Error display
Wired
remote
controller
Error code
Description
OPERATION
lamp
(green)
TIMER
lamp
(orange)
ECONOMY
lamp
(green)
Ɣ
(1)
Ɣ
(1)
¸
Serial communication error
Ɣ
(1)
Ɣ
(2)
¸
Wired remote controller
communication error
Ɣ
(1)
Ɣ
(5)
¸
Check run unfinished
Ɣ
(1)
Ɣ
(6)
¸
Peripheral unit transmission PCB
connection error
Ɣ
(2)
Ɣ
(1)
¸
Unit number or Refrigerant circuit
address setting error
[Simultaneous Multi]
Ɣ
(2)
Ɣ
(2)
¸
Indoor unit capacity error
Ɣ
(2)
Ɣ
(3)
¸
Combination error
Ɣ
(2)
Ɣ
(4)
¸
• Connection unit number error
(indoor slave unit)
[Simultaneous Multi]
• Connection unit number error
(indoor unit or branch unit)
[Flexible Multi]
Ɣ
(2)
Ɣ
(7)
¸
Master unit, slave unit set-up
error [Simultaneous Multi]
Ɣ
(3)
Ɣ
(2)
¸
Indoor unit PCB model
information error
Ɣ
(3)
Ɣ
(5)
¸
Manual auto switch error
Ɣ
(4)
Ɣ
(1)
¸
Room temp. sensor error
Ɣ
(4)
Ɣ
(2)
¸
Indoor unit Heat Ex. Middle temp.
sensor error
Ɣ
(5)
Ɣ
(1)
¸
Indoor unit fan motor error
Ɣ
(5)
Ɣ
(3)
¸
Drain pump error
Ɣ
(5)
Ɣ
(7)
¸
Damper error
Ɣ
(5)
Ɣ
(8)
¸
Intake grille error
Ɣ
(5)
Ɣ
(15)
¸
Indoor unit error
Ɣ
(6)
Ɣ
(2)
¸
Outdoor unit main PCB model
information error or
communication error
Ɣ
(6)
Ɣ
(3)
¸
Inverter error
Ɣ
(6)
Ɣ
(4)
¸
Active filter error, PFC circuit er-
ror
Ɣ
(6)
Ɣ
(5)
¸
Trip terminal L error
Ɣ
(6)
Ɣ
(8)
¸
Outdoor unit rush current limiting
resister temp. rise error.
Ɣ
(6)
Ɣ
(10)
¸
Display PCB microcomputers
communication error
Ɣ
(7)
Ɣ
(1)
¸
Discharge temp. sensor error
Ɣ
(7)
Ɣ
(2)
¸
Compressor temp. sensor error
Ɣ
(7)
Ɣ
(3)
¸
Outdoor unit Heat Ex. liquid
temp. sensor error
Ɣ
(7)
Ɣ
(4)
¸
Outdoor temp. sensor error
Ɣ
(7)
Ɣ
(5)
¸
Suction Gas temp. sensor error
Ɣ
(7)
Ɣ
(6)
¸
• 2-way valve temp. sensor error
• 3-way valve temp. sensor error
Ɣ
(7)
Ɣ
(7)
¸
Heat sink temp. sensor error
Ɣ
(8)
Ɣ
(2)
¸
• Sub-cool Heat Ex. gas inlet
temp. sensor error
• Sub-cool Heat Ex. gas outlet
temp. sensor error
Ɣ
(8)
Ɣ
(3)
¸
Liquid pipe temp. sensor error
Ɣ
(8)
Ɣ
(4)
¸
Current sensor error
Ɣ
(8)
Ɣ
(6)
¸
• Discharge pressure sensor
error
• Suction pressure sensor error
• High pressure switch error
Ɣ
(9)
Ɣ
(4)
¸
Trip detection
Ɣ
(9)
Ɣ
(5)
¸
Compressor rotor position
detection error
Ɣ
(9)
Ɣ
(7)
¸
Outdoor unit fan motor error
Ɣ
(9)
Ɣ
(9)
¸
4-way valve error
Ɣ
(10)
Ɣ
(1)
¸
Discharge temp. error
Ɣ
(10)
Ɣ
(3)
¸
Compressor temp. error
Ɣ
(10)
Ɣ
(4)
¸
High pressure error
Ɣ
(10)
Ɣ
(5)
¸
Low pressure error
Ɣ
(13)
Ɣ
(2)
¸
Branch boxes error
[Flexible Multi]
Display mode
Ɣ
: 0.5s ON / 0.5s OFF
¸
: 0.1s ON / 0.1s OFF
( ) : Number of flashing
[Troubleshooting with the indoor unit display]
OPERATION indicator (green)
TIMER indicator (orange)
ECONOMY indicator (green)
[Troubleshooting with the Wired Remote Controller Display (Option)]
If an error occurs, the following display will be shown. (“Er” will appear in the set room
temperature display.)
Error code
-
1
-
2
-
3
-
4
-
5
-
6
-
7
-
8
-
9
-
10
-
11
-
12
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