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Fujitsu Airco Airstage AJH040LELDH

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INSTALLATION MANUAL
INSTALLATIONSANLEITUNG
MANUEL D’INSTALLATION
MANUAL DE INSTALACIÓN
MANUALE D’INSTALLAZIONE
ΕΓΧΕΙΡΙΔΙΟ ΕΓΚΑΤΑΣΤΑΣΗΣ
MANUAL DE INSTALAÇÃO
РУКОВОДСТВО ПО УСТАНОВКЕ
KURULUM KILAVUZU
OUTDOOR UNIT
AUSSENGERÄT
UNITÉ EXTÉRIEURE
UNIDAD EXTERIOR
UNITÀ ESTERNA
ΕΞΩΤΕΡΙΚΉ ΜΟΝΆΔΑ
UNIDADE EXTERIOR
ВНЕШНИЙ МОДУЛЬ
DIŞ ÜNİTE
For authorized service personnel only.
Nur für autorisiertes Fachpersonal.
Uniquement réservé aux techniciens agréés.
Sólo para personal de servicio autorizado.
A uso esclusivo del personale tecnico autorizzato.
Μόνο για εξουσιοδοτημένο τεχνικό προσωπικό.
Apenas para técnicos de assistência autorizados.
Только для .авторизованного обслуживающего персонала
Yalnızca yetkili servis personeli için.
PART No. 9380545446-01
For 230 V, 1-phase power supply
AJ*040LBLDH
AJ*045LBLDH
AJ*054LBLDH
For 400 V, 3-phase power supply
AJ*040LELDH
AJ*045LELDH
AJ*054LELDH
En-1
1. SAFETY PRECAUTIONS
• Be sure to read this Installation manual thoroughly before installation.
• The warnings and precautions indicated in this Installation manual contain important
information pertaining to your safety. Be sure to observe them.
• After installing the unit, perform a test run to make sure the unit operates normally. Then,
explain to the customer how to operate and maintain the unit.
• Please pass this Installation manual together with the Operating manual to the customer.
Please ask the customer to keep the Operating manual and Installation manual at hand
for future reference during the moving or repair of the main unit.
WARNING This mark indicates procedures which, if improperly per-
formed, might lead to the death or serious injury of the user.
Consult the retail store or professional technicians to install the main unit according to
the Installation manual.
Improper installation will cause serious accidents such as refrigerant leakage, water
leakage, electric shock, and fire.
Manufacturer's guarantee will be invalid when instructions in the Installation manual are
ignored during installation.
For installation purposes, be sure to use the parts supplied by the manufacturer or other
prescribed parts.
Using non-specified parts will cause serious accidents such as falling unit, refrigerant
leakage, water leakage, electric shock, and fire.
To install a unit that uses the R410A refrigerant, use dedicated tools and piping materi-
als that have been manufactured specifically for R410A use.
Because the pressure of the R410A refrigerant is approximately 1.6 times higher than
the R22, failure to use dedicated piping material or improper installation can cause
rupture or injury.
It will also cause serious accidents such as refrigerant leakage, water leakage, electric
shock, and fire.
Do not use this equipment with air or any other unspecified refrigerant in the refrigerant
lines.
Excess pressure can cause a rupture.
Be sure to install the unit as prescribed, so that it can withstand earthquakes and
typhoons or other strong winds.
Improper installation can cause the unit to topple or fall, or other accidents.
Ensure that the outdoor unit is securely installed at a place that can withstand the
weight of the unit.
Improper installation will cause injuries caused by falling unit.
If there is a refrigerant leakage, make sure that it does not exceed the concentration
limit.
If a refrigerant leakage exceeds the concentration limit, it can lead to accidents such as
oxygen starvation.
If a refrigerant leakage occurs during operation, immediately vacate the premises and
thoroughly ventilate the area.
If the refrigerant is exposed to fire, it will create a hazardous gas.
Electrical work must be performed in accordance with this Installation manual by a
person certified under the national or regional regulations. Be sure to use a dedicated
circuit for the unit.
An insufficient power supply circuit or improperly performed electrical work can cause
serious accidents such as electric shock or fire.
For wiring, use the prescribed type of cables, connect them securely, making sure that
there are no external forces of the cables applied to the terminal connections.
Improperly connected or secured cables can cause serious accidents such as overheat-
ing the terminals, electric shock, or fire.
Securely install the electrical box cover on the unit.
An improperly installed electrical box cover can cause serious accidents such as electric
shock or fire through exposure to dust or water.
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 fire.
After the installation, make sure there is no refrigerant leakage.
If the refrigerant leaks into the room and becomes exposed to a source of fire such as a
fan heater, stove, or burner, it will create a hazardous gas.
Use a wall hole pipe. Otherwise, it may cause a short circuit.
Do not place the outdoor unit near the handrail of the balcony.
Children may climb onto the outdoor unit, lean over the handrail and fall over.
Use only a specified power cable. Poor connection, poor insulation, and exceeding the
allowable current will lead to electric shock and fire.
Attach the connecting cables securely to the terminal. Or secure it firmly with a “wiring
suppressor”.
Loose connection will lead to malfunction, electric shock, and fire.
Install a breaker (Included with earth leakage circuit breaker) to cut off all AC main cur-
rent at the same time.
If you do not install a breaker, it may cause electric shock and fire.
During installation, make sure that the refrigerant pipe is attached firmly before you run
the compressor.
Do not operate the compressor under the condition of refrigerant piping not attached
properly with 2-way or 3-way valve open. This may cause abnormal pressure in the
refrigeration cycle that leads to rupture and even injury.
During the pump-down operation, make sure that the compressor is turned off be-
fore you remove the refrigerant piping. Do not remove the connection pipe while the
compressor is in operation with 2-way or 3-way valve open. This may cause abnormal
pressure in the refrigeration cycle that leads to breakage and even injury.
INSTALLATION MANUAL
OUTDOOR UNIT
PART No. 9380545446-01
Contents
1. SAFETY PRECAUTIONS …………………………………………………………………1
2. ABOUT THIS PRODUCT …………………………………………………………………2
2.1. Precautions for using R410A refrigerant ………………………………………… 2
2.2. Special tools for R410A ……………………………………………………………2
2.3. Accessories …………………………………………………………………………2
2.4. Combinations ………………………………………………………………………3
2.5. Optional parts ……………………………………………………………………… 3
3. INSTALLATION WORK …………………………………………………………………… 3
3.1. Selecting an installation location ………………………………………………… 3
3.2. Drain processing …………………………………………………………………… 3
3.3. Installation dimensions ……………………………………………………………3
3.4. Transporting the unit ……………………………………………………………… 4
3.5. Installing the unit …………………………………………………………………… 4
4. SYSTEM CONFIGURATION ………………………………………………………………5
4.1. System confi guration ………………………………………………………………5
4.2. Pipe selection ……………………………………………………………………… 5
4.3. Protection of pipes ………………………………………………………………… 5
5. PIPE INSTALLATION ……………………………………………………………………… 5
5.1. Brazing ………………………………………………………………………………5
5.2. Indoor unit pipe connections ………………………………………………………5
5.3. Opening the knockout hole ………………………………………………………6
5.4. Pipe connection ……………………………………………………………………6
6. ELECTRICAL WIRING ……………………………………………………………………7
6.1. The precautions of electrical wiring ………………………………………………7
6.2. Knockout hole ……………………………………………………………………… 8
6.3. Selecting power supply cable and breaker ………………………………………8
6.4. Transmission line ……………………………………………………………………8
6.5. Wiring method ………………………………………………………………………9
6.6. External input and external output …………………………………………… 10
7. FIELD SETTING ………………………………………………………………………… 11
7.1. Field setting switches …………………………………………………………… 11
7.2. DIP switch setting ……………………………………………………………… 11
7.3. Rotary switch setting …………………………………………………………… 12
7.4. Push button setting ……………………………………………………………… 12
7.5. Address setting for signal amplifi ers …………………………………………… 13
7.6. Indoor unit address setting ……………………………………………………… 13
7.7. Resistance measurement of transmission cable
(Measure with breaker OFF) …………………………………………………… 14
8. PIPE INSTALLATION II ………………………………………………………………… 14
8.1. Sealing test ……………………………………………………………………… 14
8.2. Vacuum process ………………………………………………………………… 14
8.3. Additional charging ……………………………………………………………… 15
8.4. Installing insulation ……………………………………………………………… 15
8.5. Filling with putty ………………………………………………………………… 15
9. TEST RUN ……………………………………………………………………………… 16
9.1. Indoor unit connection check …………………………………………………… 16
9.2. Pre-check for test run …………………………………………………………… 16
9.3. Test run method ………………………………………………………………… 16
9.4. Checklist ………………………………………………………………………… 17
10. LED STATUS …………………………………………………………………………… 17
10.1. Normal operation codes ………………………………………………………… 17
10.2. Error codes ……………………………………………………………………… 17
11. INFORMATION ………………………………………………………………………… 18
[Original instructions]
En-2
CAUTION
This mark indicates procedures which, if improperly per-
formed, might possibly result in personal harm to the user, or
damage to property.
This unit must be installed by qualified personnel with a capacity certificate for handling
refrigerant fluids. 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.
This unit contains no user-serviceable parts. Always consult authorized service person-
nel to repairs.
When moving, consult authorized service personnel for disconnection and installation
of the unit.
AJ*040/045/054LBLDH model
• Obtain the distribution network operator's agreement about the power capacity of the
power supply system, specification of the cable and the harmonic current, and etc.
when you connect the outdoor unit with the power supply.
• This unit must be connected to a power supply with impedance of 0.398 ohm and
below. If the power supply does not satisfy this requirement, please consult the power
supplier.
• This product is intended for professional use.
Be sure to use a dedicated power circuit.
Never use a power supply shared by another appliance.
AJ*040/045/054LELDH model
• This product is conformed to IEC/EN61000-3-2.
• This product is designed for professional use.
• On the power supply connection, obtain the connection permission of the distribution
network operator.
• Be sure to use a dedicated power circuit.
Never use a power supply shared by another appliance.
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 fall or the unit to leak water.
• Area filled 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 fall 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 refriger-
ant leakage.
• Area containing equipment that generates electromagnetic interference.
It will cause the control system to malfunction, preventing the unit from operating
normally.
• Area that can cause combustible gas to leak, contains suspended carbon fibers or
flammable dust, or volatile flammables such as paint thinner or gasoline.
If gas leaks and settles around the unit, it can cause a fire.
• Avoid installing the unit at places where it will come into contact with animals’ urine or
ammonia.
The units are not explosion proof and therefore should not be installed in explosive
atmosphere.
Do not use the unit for special purposes, such as storing food, raising animals, growing
plants, or preserving precision devices or art objects. It can degrade the quality of the
preserved or stored objects.
Ground the unit. Do not connect the ground cable to a gas pipe, water pipe, lightning
rod, or a telephone ground cable. Improper grounding may cause electric shock.
Perform draining for the unit according to the Installation manual. Check that the water
is properly drained.
If the drain processing is improperly installed, water may drip down from the unit, wet-
ting the furniture.
Do not touch the fins with bare hands.
Be sure not to start or stop the operation of air conditioning with power breaker. Other-
wise, it may cause malfunction or water leakage.
When setting it up near the equipment that generates electromagnetic waves and the
equipment that generates the higher harmonics wave, be sure to take measures against
noise. Otherwise, it may cause malfunction or failure.
When energizing to the crankcase heater, please turn on the power 12 hours or earlier
before operation begins. When the energizing time is short, it may cause failure. Be-
sides, please do not turn off power during the busy season.
Children should be monitored to ensure they do not play with the device.
This product is not intended to be used by people (including children) with physical,
sensory or mental disability, or persons lacking experience or knowledge unless they
have been given by the through a person responsible for their safety, supervision or
instruction concerning the use of the device.
2. ABOUT THIS PRODUCT
2.1. Precautions for using R410A refrigerant
Pay careful attention to the following points:
Since the working pressure is 1.6 times higher than that of R22 models, some of the
piping and installation and service tools are special. (See the table in the SPECIAL
TOOLS FOR R410A section.)
Especially, when replacing a conventional refrigerant (other than R410A) model with
a new refrigerant R410A model, always replace the conventional piping and flare nuts
with the R410A piping and flare nuts.
Models that use refrigerant R410A have a different charging port thread diameter to pre-
vent erroneous charging with R22, R407C and for safety. Therefore, check beforehand.
[The charging port thread diameter for R410A is 1/2 UNF 20 threads per inch.]
Be more careful than the installation of the refrigerant (other than R410A) models, not
to enter foreign matters (oil, water, etc.) and other refrigerant into the piping. Also, when
storing the piping, securely seal the openings 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 side whose
composition is stable.
2.2. Special tools for R410A
Tool name Contents of change for R22 tool
Gauge manifold
Pressure is huge and cannot be measured with a conventional
gauge. To prevent erroneous mixing of other refrigerants, the diam-
eter of each port has been changed.
It is recommended to use a gauge manifold with a high pressure
display range -0.1 to 5.3 MPa and a low pressure display range -0.1
to 3.8 MPa.
Charging 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.
• A conventional vacuum pump can be used by installing a vacuum
pump adapter.
• Be sure that the pump oil does not back flow into the system. Use
one capable for vacuum suction of -100.7kPa (5 Ton, -755mmHg).
Gas leakage
detector Special gas leakage detector for HFC refrigerant R410A.
2.3. Accessories
Use connecting parts as required.
Do not throw away the connecting parts until the installation has been complete.
Name and shape Q’ty Application
Specifications
manual
1 —
Installation manual
1
(This manual)
Drain cap
9
For outdoor unit drain piping
work
Drain pipe
1
For outdoor unit drain piping
work
Cable tie
2
For binding power cable and
transmission cable
Reducer 1For connecting gas pipe
(For 54 model)
One-touch bush
2
For power supply cable and con-
nection cable installation
En-3
2.4. Combinations
The number of indoor units that can be connected are as follows:
Model Outdoor unit cooling
capacity [kW]
Maximum connect-
able indoor units
Connectable total
indoor unit capacity
ratio [%]
AJ*040LBLDH
AJ*040LELDH 12.1 11
50 to 150 (*1)
AJ*045LBLDH
AJ*045LELDH 14.0 12
AJ*054LBLDH
AJ*054LELDH 15.5 14
*1: The conditions may differ depending on the connected indoor unit. For detailed infor-
mation, refer to the Design and Technical Manual.
2.5. Optional parts
CAUTION
The following parts are optional parts specific to R410A refrigerant.
Do not use parts other than those listed below.
2.5.1 Separation tube kit and Header
Separation tube and header uses
the following parts. A header is
used for connecting the indoor
units.
Separation
tube
Header
3-6 Branches 3-8 Branches
UTP-AX054A UTR-H0906L UTR-H0908L
2.5.2 External connect kit
Model Usage
UTY-XWZXZ6 For External input (CN131, CN132, CN133, CN134)
For External output (Error status / CN136) (Operation status / CN137)
UTY-XWZXZF For External input (CN135)
UTY-XWZXZ9 For External output (Base heater / CN115)
3. INSTALLATION WORK
Please obtain the approval of the customer when selecting the location of installation and
installing the main unit.
3.1. Selecting an installation location
WARNING
Install the unit in a location that can withstand its weight, and where it will not topple or
fall.
Calculate the proper refrigerant concentration if you will be installing it in an enclosed
location.
Total amount of replenished refrigerant
in refrigerant facility (kg)
≤
Refrigerant concentration (kg/m³)
(0.44 kg/m³)
Capacity of smallest room where unit is
installed (m³)
If the results of the calculation exceed the concentration limit, increase the room surface
area or install a ventilation duct.
CAUTION
Please install the outdoor unit without slant. (within 3 degrees)
Install this unit in a location with good ventilation.
If the unit must be installed in an area within easy reach of the general public, install as
necessary a protective fence or the like to prevent their access.
Install the unit in an area that would not inconvenience your neighbors, as they could be
affected by the airflow coming out from the outlet, noise, or vibration.
If it must be installed in proximity to your neighbors, be sure to obtain their approval.
If the unit is installed in a cold region that is affected by snow accumulation, snow fall, or
freezing, take appropriate measures to protect it from those elements.
To ensure a stable operation, install inlet and outlet ducts.
Install the unit in an area that would not cause problems even if the drain water is
discharged from the unit. Otherwise, provide drainage that would not affect people or
objects.
Install the unit in an area that has no heat sources, vapors, or the risk of the leakage of
flammable gas in the vicinity.
Install the unit in an area that is away from the exhaust or vent ports that discharge
vapor, soot, dust, or debris.
Install the indoor unit, outdoor unit, power supply cable, transmission cable and remote
control cable at least 1 meter away from a television or radio.
The purpose of this is to prevent TV reception interference or radio noise. (Even if they
are installed more than 1 meter apart, you could still receive noise under some signal
conditions.)
Keep the length of the piping of the indoor and outdoor units within the allowable range.
For maintenance purposes, do not bury the piping.
3.2. Drain processing
CAUTION
Perform drain work in accordance with this Manual, and ensure that the drain water is
properly drained. If the drain work is not carried out correctly, water may drip down from
the unit, wetting the furniture.
When the outdoor temperature is 0°C or less, do not use the accessory drain pipe and
drain cap. If the drain pipe and drain cap are used, the drain water in the pipe may
freeze in extremely cold weather.
• As the drain water flows out of the outdoor unit during heating operation, install the
drain pipe and connect it to a commercial 16 mm hose.
• When installing the drain pipe, plug all the holes other than the drain pipe mounting
hole in the bottom of the outdoor unit with putty so there is no water leakage.
341
305
321
227
438
278
50
622 Unit: mm
Drain cap mounting hole ×3
Base
Air
Drain pipe
Drain pipe mounting hole
3.3. Installation dimensions
CAUTION
Provide sufficient installation space, such as transportation route, maintenance space,
ventilation space, refrigerant piping space, and passageways.
Pay attention to the specifications of the installation space as shown in the figure. If
the unit is not installed according to specifications, it may cause short circuit or poor
performance. The unit may be prone to lapse into non-operation due to high pressure
protection.
When there is a wall in front of the unit, provide a space of 500 mm or more as mainte-
nance space.
When there is a wall at the right side of the unit, provide a space of 25 mm or more as
maintenance space.
An outdoor temperature of 35°C (DB) in air-conditioned operation is assumed for the
installation space in this item. If the outdoor temperature exceeds 35°C (DB) and the
outdoor unit is operating at a load exceeding its rated ability, provide a larger inlet
space.
If you are installing more outdoor units than indicated here, please ensure sufficient
space or consult your distributing agent as it may affect the performance due to short
circuit and other problems.
Consider the transportation route, installation space, maintenance space, and access,
and install the unit in a location with sufficient space for the refrigerant piping.
Observe the installation space specifications
that are shown in the figures.
Keep the same space at rear air intake.
Provide the same space for the air intake at the
rear of the outdoor unit.
If the installation is not performed according to
the specifications, it could cause a short circuit
and result in a lack of operating performance.
As a result, the outdoor unit might easily be
stopped by high-pressure protection.
Air intake
Rear view
Installation methods not shown in the following examples are not recommended. Perfor-
mance may drop significantly.
En-4
3.3.1 Single outdoor unit installation
When the upward area is open (Unit: mm)
(1) Obstacles at rear only
150
(2) Obstacles at rear and sides only
200
300
200
(3) Obstacles at front only
1000 or more
(4) Obstacles at front and rear only
1000 or more
150
When an obstruction is present also in the upward area
(Unit: mm)
(1) Obstacles at rear and above only
300
Max. 500
1000
(2) Obstacles at rear, sides, and above only
1500
250
250
500
Max. 500
3.3.2 Multiple outdoor unit installation
• Provide at least 25 mm of space between the outdoor units if multiple units are installed.
• When routing the piping from the side of an outdoor unit, provide space for the piping.
• No more than 3 units must be installed side by side.
When 3 units or more are arranged in a line, provide the space as shown in the following
example when an obstruction is present also in the upward area.
When the upward area is open (Unit: mm)
(1) Obstacles at rear only
300
(2) Obstacles at front only
1500 or more
(3) Obstacles at front and rear only
500
1500 or more
When an obstruction is present also in the upward area (Unit: mm)
• Obstacles at rear and above only
1500
500
Max. 300
1500
3.3.3 Outdoor units installation in multi row
* The following settings are not recommended in case of cooling by a low outside tem-
perature. (Unit: mm)
(1) Single parallel unit arrangement (2) Multiple parallel unit arrangement
150
600
1000
2000 or
more
500
600
1500
3000 or
more
3.4. Transporting the unit
WARNING
Do not touch the fins. Otherwise, personal injury could result.
CAUTION
When carrying the unit, hold the handles on the right and left sides and be careful.
If the outdoor unit is carried from the bottom, hands or fingers may be pinched.
• Carry slowly in the manner as shown on “Fig. B” holding the handles “Fig. A” in right and
left sides. (Be careful not to touch with hands or objects.)
• Be sure to hold the handles on the sides of the unit. Otherwise, the suction grilles on the
sides of the unit may be deformed.
Front view Rear view
Fig. B
Handle
Handle
Suction grille
Fig. A
3.5. Installing the unit
• Please install the outdoor unit without slant. (within 3 degrees)
• Install 4 anchor bolts at the locations indicated with arrows in the figure.
• To reduce vibration, do not install the unit directly on the ground. Install it on a secure
base (such as concrete blocks).
• The foundation shall support the legs of the unit and have a width of 50 mm or more.
• Depending on the installation conditions, the outdoor unit may spread its vibration during
operation, which may cause noise and vibration. Therefore, attach damping materials
(such as damping pads) to the outdoor unit during installation.
• Install the foundation, making sure that there is enough space for installing the connec-
tion pipes.
• Secure the unit to a solid block using foundation bolts. (Use 4 sets of commercially avail-
able M10 bolts, nuts, and washers.)
• The bolts should protrude 20 mm. (Refer to the figure.)
• If overturning prevention is required, purchase the necessary commercially available
items.
166 650 154
50 50
16
20
410
AIR
Unit: mm
Bolt
Nut
Base
• Do not install directly on the ground, this may result in equipment failure.
• The drain water is discharged from the bottom of the equipment. Construct a drain ditch
around the base and discharge the drain water properly.
• Provide ample space for ice buildup from condensate between the bottom of the unit and
the flat surface on which it is mounted. Otherwise, there is risk that the drainage water
will freeze between the device and the surface, disabling drainage.
Base
CAUTION
If the unit is installed in a region that is exposed to
high winds, freezing conditions, freezing rain, snow
fall or heavy snow accumulation, take appropriate
measures to protect it from those elements.
To ensure stable operation, the outdoor unit must be
installed on a raised stand or rack, at or above the
anticipated snow depth for the region.
The installation of snow hoods and drift prevention
fencing is recommended when blowing and drifting
snow is common to the region.
En-5
Table. C (Diameter of piping used between separation tubes)
Total cooling
capacity of indoor
unit [kW]
Outside diameter [mm(in.)] Separation
tube (*4) Header (*4)
Liquid pipe Gas pipe
x < 11.2 9.52 (3/8) 15.88 (5/8) UTP-AX054A UTR-H0906L
UTR-H0908L
11.2 x 9.52 (3/8) 19.05 (3/4)≤
*4: For the installation method, please refer to the installation manuals for indoor unit,
separation tubes or headers.
If pipe diameter Table C > Table B, select pipe size from Table B.
“Total cooling capacity of indoor unit” is the total value for the cooling capacity of indoor
unit connected downstream.
Use a standard separation tube for pipe branching. Do not use a T tube as it does not
separate the refrigerant evenly.
Table. D (Diameter of piping used between separation tube and indoor unit)
Model code of
indoor unit
Outside diameter [mm(in.)]
Liquid pipe Gas pipe
04 to 14 6.35 (1/4) 12.70 (1/2)
18 to 34 9.52 (3/8) 15.88 (5/8)
36 to 54 (*5) 9.52 (3/8) 19.05 (3/4)
*5: If pipe diameter Table D > Table C , using of pipe size from Table C is preferable.
(Use reducer to change the diameter of connection pipe.)
Table. E (Indoor unit capacity comparison table - The indication of power is
different depending on the model.)
Model code of
indoor unit
04/
004
07/
007
09/
009
12/
012
14/
014
18/
018
24/
024
30/
030
36/
036
45/
045
54/
054
Capacity [kW]
1.1 2.2 2.8 3.6 4.5 5.6 7.1 9.0 11.2 12.5 14.0
In the case of ARXD007GLEH: equivalent to model code of indoor unit
Model code 007 Capacity=2.2 kW→
4.3. Protection of pipes
Location Working period
Protection method
Outdoor 1 month or more Pinch pipes
Less than 1 month Pinch or tape pipes
Indoor — Pinch or tape pipes
• Protect the pipes to prevent the entry of moisture and dust.
• Especially pay attention when passing the pipes through a hole or connecting the end of
a pipe to the outdoor unit.
5. PIPE INSTALLATION
5.1. Brazing
CAUTION
If air or another type of refrigerant enters the
refrigeration cycle, the internal pressure in
the refrigeration cycle will become abnormally
high and prevent the unit from exerting its full
performance.
Pressure regulating valve
Cap
Nitrogen gas
Brazing area
Apply nitrogen gas while brazing the pipes.
Nitrogen gas pressure: 0.02 MPa (= pressure
felt sufficiently on the back of your hand)
If a pipe is brazed without applying nitrogen gas, it will create an oxidation film.
This can degrade performance or damage the parts in the unit (such as the compressor
or valves).
Do not use flux to braze pipes. If the flux is the chlorine type, it will cause the pipes to
corrode.
In addition, if the flux contains fluoride, it will affect the refrigerant piping system due to
deterioration of refrigerant oil.
For brazing material, use phosphor copper that does not require flux.
5.2. Indoor unit pipe connections
CAUTION
For details, refer to the Installation Instruction Sheet of each part.
Separation tube
A
BA
B
B
A
± 15°
GOOD GOOD
Horizontal Vertical
Horizontal line
or
A:
Outdoor unit or Refrigerant
branch kit
B:
Indoor unit or Refrigerant
branch kit
4. SYSTEM CONFIGURATION
4.1. System confi guration
CAUTION
Always keep to the limit on the total amount of refrigerant. Exceeding the limit on the
total amount of refrigerant when charging will lead to malfunction.
• Between outdoor unit and the farthest indoor unit
a + f 120 m, a + p 120 m≤ ≤
• Between the first separation tube and the farthest indoor unit
f 40 m, p 40 m≤ ≤
• Between the nearest indoor unit and the outdoor unit
a + b + h 5 m, a + c + q 5 m≥ ≥
• Between outdoor unit and the first separation tube
a 3 m≥
• Difference in height between outdoor units and indoor units (H1)
50 m or less: Outdoor unit is higher than indoor unit
40 m or less: Outdoor unit is lower than indoor unit
• Difference in height between indoor units and indoor units
H2 15 m, H3 15 m≤ ≤
• Maximum total equivalent pipe length
a + f + h + j + l + n + p + q + s + u 180 m≤
• Total refrigerant amount 15.7 kg≤
f
p
q
j
h
b
c
s u
H3
l n H1
H2
a
I.U.
I.U. I.U. I.U.
I.U.
I.U. I.U. I.U. I.U.
Outdoor unit
I.U.: Indoor unit
4.2. Pipe selection
CAUTION
This unit is designed specifically for use with the R410A refrigerant.
Pipes for R407C or R22 may not be used with this unit.
Do not use existing pipes.
Improper pipe selection will degrade performance.
I.U. I.U. I.U. I.U. I.U. I.U.
First separation
tube (optional) Separation
tube (optional)
Pipe size
(table B)
Pipe size
(table C)
Pipe size
(table D)
I.U.:
Indoor unit
Table. A (Wall thickness and pipe material for each diameter)
Outside Diameter mm
(in)
6.35
(1/4)
9.52
(3/8)
12.70
(1/2)
15.88
(5/8)
19.05
(3/4)
Wall Thickness (*2) mm
(in)
0.8
(0.032)
0.8
(0.032)
0.8
(0.032)
1.0
(0.039)
1.2
(0.047)
Material COPPER (*1) JIS H3300 C1220T-O or equivalent
Please select the pipe size in accordance with local rules.
*1: Allowable tensile stress 33 N/mm≥2
*2: Endurance pressure of the pipes 4.2 MPa
Table. B (Diameter of piping used between outdoor unit and first separation
tubes or headers)
MODEL
Outdoor
unit cool-
ing capac-
ity [kW]
Diameter of piping [mm (in)]
Between outdoor unit
and the farthest indoor
unit < 90 m (*3)
Between outdoor unit
and the farthest indoor
unit ≥ 90 m (*3)
Liquid pipe Gas pipe Liquid pipe Gas pipe
AJ*040LBLDH
AJ*040LELDH 12.1 9.52 (3/8) 15.88 (5/8) 9.52 (3/8) 19.05 (3/4)
AJ*045LBLDH
AJ*045LELDH 14.0 9.52 (3/8) 15.88 (5/8) 9.52 (3/8) 19.05 (3/4)
AJ*054LBLDH
AJ*054LELDH 15.5 9.52 (3/8) 19.05 (3/4) 9.52 (3/8) 19.05 (3/4)
*3: Pipe Length: “a + f” or “a + p” of “4.1. System configuration”
En-6
PROHIBITED
Header
C
H1
α
1
β
1
D
H2
α2
β2
GOOD
GOOD
Horizontal line
Horizontal line
View D
View C
Horizontal line
Vertical line
Gas pipe
Liquid pipe
Outdoor
unit side
Outdoor
unit side
H1 = 0 to 10 mm
H2 = 0 to 10 mm
(α1: 0° to 1°)
β1: -10° to 10°
(α2: 0° to 1°)
β2: -10° to 10°
PROHIBITED
CAUTION
Do not connect a separation tube after a header.
Leave the distance 0.5 m or more for straight part to branch tube and header.
To indoor unit
To indoor unit
To indoor unit
Main pipe
Main pipe
0.5 m or more
0.5 m or more
To indoor unit
Separation tube
Header
To indoor unit
0.5 m or more
0.5 m or more
To indoor unit
Separation tube
Header
5.3. Opening the knockout hole
CAUTION
Be careful not to deform or scratch the panel while opening the knockout holes.
To protect the piping insulation after opening a knockout hole, remove any burrs from
the edge of the hole. It is recommended to apply rust prevention paint to the edge of the
hole.
• Pipes can be connected from 4 directions, front, lateral side, rear side and bottom.
(Fig. A)
• When connecting at the bottom, remove the service panel and piping cover on the front
of the outdoor unit, and open the knockout hole provided at the bottom corner of the
piping outlet.
• It can be installed as shown on “Fig. B” cutting out the 2 slits as indicated on “Fig. C”.
(When cutting slits, use a steel saw.)
Fig. A
Service
panel
Slit
Slit
Fig. B
Bottom
connection
Fig. C
Front connection Lateral connection Bottom connection Rear connection
5.4. Pipe connection
CAUTION
Do not use mineral oil on a flared part. Prevent mineral oil from getting into the system
as this would reduce the lifetime of the units.
While brazing the pipes, be sure to blow dry nitrogen gas through them.
The maximum lengths of this product are shown in the table. If the units are further
apart than this, correct operation cannot be guaranteed.
5.4.1 Flaring
Use special pipe cutter and flare tool exclusive for R410A.
(1) Cut the connection pipe to the necessary length with a pipe cutter.
(2) Hold the pipe downward so that the cuttings will not enter the pipe and remove any
burrs.
(3) Insert the flare nut (always use the flare nut attached to the indoor and outdoor units
respectively) onto the pipe and perform the flare processing with a flare tool. Leakage
of refrigerant may result if other flare nuts are used.
(4) Protect the pipes by pinching them or with tape to prevent dust, dirt, or water from
entering the pipes.
B
A
L
Check if [L] is flared uniformly and
is not cracked or scratched.
Pipe
Die
Pipe outside diameter
[mm (in)]
Dimension A [mm]
Dimension B 0
-0.4 [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 (R22) flare tools to flare R410A pipes, the dimension A should
be approximately 0.5 mm more than indicated in the table (for flaring with R410A flare
tools) to achieve the specified flaring. Use a thickness gauge to measure the dimension A.
It is recommended that a R410A flaring tool is used.
Width across
fl ats
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

Product specificaties

Merk: Fujitsu
Categorie: Airco
Model: Airstage AJH040LELDH

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