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Fujitsu AUXG-KRLB Series Installation Manual

Cassette type
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AIR CONDITIONER
Cassette type
Contents
1. SAFETY PRECAUTIONS ...................................................... 1
2. PRODUCT SPECIFICATION ................................................... 4
2.1. Installation tools ............................................................ 4
2.2. Accessories .................................................................. 4
2.3. Pipe requirement ............................................................ 4
2.4. Electrical requirement ...................................................... 5
2.5. Optional parts ............................................................... 5
3. INSTALLATION WORK ......................................................... 5
3.1. Selecting an installation location ....................................... 5
3.2. Installation dimension ...................................................... 6
3.3. Installing the unit ............................................................ 6
3.4. Drain installation ............................................................ 7
3.5. Pipe installation ............................................................ 8
3.6. Electrical wiring ............................................................ 9
3.7. Remote controller installation .......................................... 11
4. CASSETTE GRILLE INSTALLATION ....................................... 11
5. OPTIONAL INSTALLATION WORK ....................................... 11
5.1. Optional kit installation ................................................ 11
5.2. External input and output ............................................. 11
6. REMOTE CONTROL INSTALLATION .................................... 12
6.1. Group control ............................................................ 12
6.2. Multiple remote control ................................................ 13
7. FUNCTION SETTING ......................................................... 13
7.1. Function Details ......................................................... 13
8. CHECK LIST ..................................................................... 15
9. TEST RUN ........................................................................ 15
10. FINISHING ........................................................................ 15
11. CUSTOMER GUIDANCE ...................................................... 15
12. ERROR CODES ............................................................... 15
NOTES: This manual describes how to install the air conditioner described above.
Handling and installation shall only be done by professionals as outlined in
this manual.

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.
Indicates a potentially or imminently hazardous situation
WARNING
which, if not avoided, could result in death or serious injury.
Indicates a potentially hazardous situation that may result in
CAUTION
minor or moderate injury or damage to property.
INSTALLATION MANUAL
[Original instructions]
• The appliance shall be installed, operated and stored in a room with a fl oor area larger
than X m².
Amount of refrigerant charge
M (kg)
M ≤ 1.22
1.22 < M ≤ 1.23
1.23 < M ≤ 1.50
1.50 < M ≤ 1.75
1.75 < M ≤ 2.0
2.0 < M ≤ 2.5
2.5 < M ≤ 3.0
3.0 < M ≤ 3.5
3.5 < M ≤ 4.0
• Installation of this product must be done by experienced service technicians or profes-
sional installers only in accordance with this manual. Installation by non-professional
or improper installation of the product might cause serious accidents such as injury,
water leakage, electric shock, or fi re. If the product is installed in disregard of the
instructions in this manual, it will void the manufacturer's warranty.
• Do not turn on the power until all work has been completed. Turning on the power be-
fore the work is completed can cause serious accidents such as electric shock or fi re.
• If refrigerant leaks when you are working, ventilate the area. If the leaking refrigerant
is exposed to a direct fl ame, it may produce a toxic gas.
• Installation must be performed in accordance with regulations, codes, or standards for
electrical wiring and equipment in each country, region, or the installation place.
• Do not use means to accelerate the defrosting process or to clean, other than those
recommended by the manufacturer.
• This appliance is not intended for use by persons (including children) with reduced
physical, sensory or mental capabilities, or lack of experience and knowledge, unless
they have been given supervision or instruction concerning use of the appliance by a
person responsible for their safety. Children should be supervised to ensure that they
do not play with the appliance.
• To avoid danger of suffocation, keep the plastic bag or thin fi lm used as the packaging
material away from young children.
• The appliance shall be stored in a room without continuously operating ignition
sources (for example: open fl ames, an operating gas appliance or an operating
electric heater).
• Do not pierce or burn.
• Be aware that refrigerants may not contain an odour.
• Read carefully all safety information written in this manual before you install or use the
air conditioner.
• Install the product by following local codes and regulations in force at the place of
installation, and the instructions provided by the manufacturer.
• This product is part of a set constituting an air conditioner. The product must not be
installed alone or be installed with a device not 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 3 mm for this product.
• To protect the persons, earth (ground) the product correctly, and use the power cable
combined with an Earth Leakage Circuit Breaker (ELCB).
• This product is not explosion proof, and therefore should not be installed in an explo-
sive atmosphere.
• To avoid getting an electric shock, never touch the electrical components soon after
the power supply has been turned off. After turning off the power, always wait 5 min-
utes or more before you touch the electrical components.
• This product contains no user-serviceable parts. Always consult experienced service
technicians for repairing.
• When moving or relocating the air conditioner, consult experienced service technicians
for disconnection and reinstallation of the product.
• Do not touch the aluminum fi ns of heat exchanger built-in the indoor or outdoor unit to
avoid personal injury when you install or maintain the unit.
• Do not place any other electrical products or household belongings under the product.
Condensation dripping from the product might get them wet, and may cause damage
or malfunction to the property.
• Be careful not to scratch the air conditioner when handling it.
PART No. 9381798070
For authorized service personnel only.
WARNING
Minimum room area
2
X (m
)
-
1.45
2.15
2.92
3.82
5.96
8.59
11.68
15.26
(IEC 60335-2-40)
CAUTION
En-1

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  Summary of Contents for Fujitsu AUXG-KRLB Series

  • Page 1: Table Of Contents

    AIR CONDITIONER INSTALLATION MANUAL Cassette type PART No. 9381798070 [Original instructions] For authorized service personnel only. WARNING • The appliance shall be installed, operated and stored in a room with a fl oor area larger than X m². Amount of refrigerant charge Minimum room area M (kg) X (m...
  • Page 2 Precautions for using R32 refrigerant CAUTION 2-4 Presence of fi re extinguisher The basic installation work procedures are the same as conventional refrigerant (R410A, • If any hot work is to be conducted on the refrigeration equipment or any associated R22) models.
  • Page 3 CAUTION CAUTION 4-Repair to intrinsically safe components 10-Decommissioning • Do not apply any permanent inductive or capacitance loads to the circuit without • Before carrying out this procedure, it is essential that the technician is completely ensuring that this will not exceed the permissible voltage and current permitted for familiar with the equipment and all its details.
  • Page 4: Product Specification

    Explanation of symbols displayed on the indoor unit or outdoor unit. Name and Shape Q’ty Description This symbol shows that this appliance uses a fl ammable Installation manual (This book) refrigerant. WARNING If the refrigerant is leaked and exposed to an external igni- tion source, there is a risk of fi...
  • Page 5: Electrical Requirement

    2. 4. Electrical requirement 3. INSTALLATION WORK The indoor unit is powered from the outdoor unit. Do not power indoor unit from separate WARNING power source. • Do not turn on the power until all installation work is complete. WARNING •...
  • Page 6: Installation Dimension

    • Refrigerant piping and drain piping positions. Unit: mm 3. 2. Installation dimension • The ceiling rear height as shown in the fi gure. Unit: m Strong and durable ceiling Liquid pipe Gas pipe Drain pipe (Connect the 1.5 or 3 or more attached drain more...
  • Page 7: Drain Installation

    ■ When lifting up drain: Hanging bolt (locally purchased) • Height of inclined pipe should be less than 850 mm from the ceiling. A rise dimension over Nut A (locally purchased) this range will cause leakage. • Lift up the pipe vertically at the position of 300 mm or less from the unit. Washer (Accessories) Downward gradient 300 mm or less...
  • Page 8: Pipe Installation

    ■ Bending pipes 3. 5. Pipe installation • If pipes are shaped by hand, be careful not to collapse them. • Do not bend the pipes at an angle more than 90°. WARNING • When pipes are repeatedly bend or stretched, the material will harden, making it diffi cult to bend or stretch them any more.
  • Page 9: Electrical Wiring

    3.6.1. Wiring system diagram 3. 6. Electrical wiring Connection cable to outdoor unit WARNING Earth (ground) line • Electrical work must be performed in accordance with this Manual by a person certi- fi ed under the national or regional regulations. Be sure to use a dedicated circuit for Power line the unit.
  • Page 10 3.6.4. Wiring procedure (1) Remove the control box cover and wiring cover by loosening the screws. ■ Connection cable Wiring connecting port Control line Power line Wiring cover Connection cable Control box cover Earth (ground) Outdoor unit ■ Remote controller cable DIP switch Control box Print circuit board...
  • Page 11: Remote Controller Installation

    ● Dry contact terminal Cure the wiring connecting port and remote controller connecting port with paste or heat When a power supply is unnecessary at the input device you want to connect, use the Dry insulation so that insects or dust will not enter the unit contact terminal.
  • Page 12: Remote Control Installation

    5.2.3. Connection methods 6. 1. Group control Wire modifi cation • Remove insulation from wire attached to wire kit connector. CAUTION • Remove insulation from locally purchased cable. Use crimp type insulated butt Group control is only possible between units with remote controllers of the same type. connector to join fi...
  • Page 13: Multiple Remote Control

    (a) 2-wire type 7. FUNCTION SETTING DIP switch (RC AD SW)...Factory setting “00” Since the remote controller address settings are automatically confi gured, you do not Refer to the installation manual of remote controller for setting method. need to confi gure them. If confi...
  • Page 14 ■ Room temperature control for indoor unit sensor ■ Room temperature sensor switching Depending on the installed environment, correction of the room temperature sensor may (Only for wireless remote controller) When using the Wired remote controller temperature sensor, change the setting to "Both" be required.
  • Page 15: Check List

    ■ Setting record 10. FINISHING  Record any changes to the settings in the following table. Function Setting Setting value CAUTION number Filter sign • After checking for gas leaks (refer to the Installation Manual of the outdoor unit), perform this section. Ceiling height •...
  • Page 16 Error display Error display Wired Wired remote remote TIMER ECONOMY TIMER ECONOMY Description Description OPERATION OPERATION controller controller lamp lamp lamp lamp lamp (green) lamp (green) Error code Error code (orange) (green) (orange) (green) Primary unit, secondary unit setup • Sub-cool Heat Ex. gas inlet ...