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Fujitsu ASUG09LZAS Installation Manual
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Fujitsu ASUG09LZAS Installation Manual

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AIR CONDITIONER
Wall Mounted Type
For authorized service personnel only.
• Branch box which is specifi ed in this manual is the equipment to support the indoor unit
of multi-connection type.
• All products are manufactured to metric units and tolerances. United States customary
units are provided for reference only. In cases where exact dimensions and tolerances
are required, always refer to metric units.
Contents
1.
SAFETY PRECAUTIONS .................................................................. 1
1.1. IMPORTANT! Please read before starting .................................. 1
1.2. Special precautions .................................................................... 1
2.
PRODUCT SPECIFICATION ............................................................. 2
2.1. Precautions for using R410A refrigerant ..................................... 2
2.2. Installation tools .......................................................................... 2
2.3. For authorized service personnel only. ....................................... 2
2.4. Accessories ................................................................................ 2
2.5. Pipe requirement ........................................................................ 2
2.6. Electrical requirement ................................................................. 3
2.7. Optional parts ............................................................................. 3
3.
INSTALLATION WORK ..................................................................... 3
3.1. Selecting an installation location ................................................ 3
3.2. Removing and replacing parts .................................................... 4
3.3. Pipe installation .......................................................................... 4
3.4. Electrical wiring ........................................................................... 6
3.5. Remote controller installation ..................................................... 7
4.
OPTIONAL INSTALLATION WORK .................................................. 8
4.1. Optional kit installation ................................................................ 8
5.
FUNCTION SETTING........................................................................ 8
5.1. Function details .......................................................................... 9
5.2. Temperature correction ............................................................... 9
6.
TEST RUN ....................................................................................... 10
7.
FINISHING ...................................................................................... 10
8.
CUSTOMER GUIDANCE ................................................................ 10
9.
ERROR CODES ...............................................................................11

1. SAFETY PRECAUTIONS

1.1. IMPORTANT! Please read before starting

This air conditioning system meets strict safety and operating standards.
As the installer or service person, it is an important part of your job to install or service the
system so it operates safely and effi ciently.
For safe installation and trouble-free operation, you must:
• Carefully read this instruction booklet before beginning.
• Follow each installation or repair step exactly as shown.
• Observe all local, state, and national electrical codes.
• Pay close attention to all warning and caution notices given in this manual.
This symbol refers to a hazard or unsafe practice which can
WARNING
result in severe personal injury or death.
This symbol refers to a hazard or unsafe practice which can
result in personal injury and the potential for product or prop-
CAUTION
erty damage.
INSTALLATION MANUAL
• Hazard alerting symbols
Electrical
If Necessary, Get Help
These instructions are all you need for most installation sites and maintenance conditions.
If you require help for a special problem, contact our sales/service outlet or your certifi ed
dealer for additional instructions.
In Case of Improper Installation
The manufacturer shall in no way be responsible for improper installation or maintenance
service, including failure to follow the instructions in this document.

1.2. Special precautions

When Wiring
ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY OR DEATH. ONLY A
QUALIFIED, EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYS-
TEM.
• Do not supply power to the unit until all wiring and tubing are completed or reconnected
and checked.
• Highly dangerous electrical voltages are used in this system. Carefully refer to the wir-
ing diagram and these instructions when wiring. Improper connections and inadequate
earthing (grounding) can cause accidental injury or death.
• Earth (Ground) the unit following local electrical codes.
• Connect all wiring tightly. Loose wiring may cause overheating at connection points and
a possible fi re hazard.
When Transporting
Be careful when picking up and moving the indoor and outdoor units. Get a partner to
help, and bend your knees when lifting to reduce strain on your back. Sharp edges or thin
aluminum fi ns on the air conditioner can cut your fi ngers.
When Installing...
...In a Ceiling or Wall
Make sure the ceiling/wall is strong enough to hold the unit's weight. It may be necessary
to construct a strong wood or metal frame to provide added support.
...In a Room
Properly insulate any tubing run inside a room to prevent "sweating" that can cause drip-
ping and water damage to walls and fl oors.
...In an Area with High Winds
Securely anchor the outdoor unit down with bolts and a metal frame.
Provide a suitable air baffl e.
...In a Snowy Area (for Heat Pump-type Systems)
Install the outdoor unit on a raised platform that is higher than drifting snow.
When Connecting Refrigerant Tubing
• Keep all tubing runs as short as possible.
• Use the fl are method for connecting tubing.
• Apply refrigerant lubricant to the matching surfaces of the fl are and union tubes before
connecting them, then tighten the nut with a torque wrench for a leak-free connection.
• Check carefully for leaks before opening the refrigerant valves.
When Servicing
• Turn the power OFF at the main circuit breaker panel before opening the unit to check
or repair electrical parts and wiring.
• Keep your fi ngers and clothing away from any moving parts.
• Clean up the site after you fi nish, remembering to check that no metal scraps or bits of
wiring have been left inside the unit being serviced.
• After installation, explain correct operation to the customer, using the operating manual.
• Never touch electrical components immediately after the power supply has been
turned off. Electric shock may occur. After turning off the power, always wait 10 min-
utes before touching electrical components.
• If refrigerant leaks while work is being carried out, ventilate the area. If the refrigerant
comes in contact with a fl ame, it produces a toxic gas.
• Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
PART No. 9387603095
Safety/alert
WARNING
En-1

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  • Page 1: Table Of Contents

    AIR CONDITIONER INSTALLATION MANUAL Wall Mounted Type PART No. 9387603095 • Hazard alerting symbols Electrical Safety/alert If Necessary, Get Help These instructions are all you need for most installation sites and maintenance conditions. If you require help for a special problem, contact our sales/service outlet or your certifi ed dealer for additional instructions.

  • Page 2: Product Specification

    CAUTION 2.3. For authorized service personnel only. • Do not attempt to install the air conditioner or a part of the air conditioner by yourself. • This unit must be installed by qualifi ed personnel with a capacity certifi cate for han- WARNING dling refrigerant fl...

  • Page 3: Electrical Requirement

    3.1. Selecting an installation location CAUTION Install heat insulation around both the gas and liquid pipes. Failure to do so may Decide the mounting position with the customer as follows: cause water leaks. (1) Install the indoor unit level on a strong wall which is not subject to vibration. Use heat insulation with heat resistance above 248 °F (120 °C).

  • Page 4: Removing And Replacing Parts

    ■ Front panel/control cover/under cover installation 3.2. Removing and replacing parts Refer to the previous fi gure. 3.2.1. Intake grille removal and installation * Be sure to replace the screws (5 places) and screw cover (2 places). ■ Intake grille removal CAUTION (1) Hold the intake grille with both hands at the side, then pull to the front until it becomes hooked.
  • Page 5 Removing the drain hose Installing the drain hose 3.3.3. Installing the wall hook bracket (1) Install the wall hook bracket so that it is correctly positioned horizontally and vertically. Remove the screw at the left of Vertically insert the drain hose toward the If the wall hook bracket is titled, water will drip to the fl...

  • Page 6: Electrical Wiring

    Dimension A [in. (mm)] 3.4. Electrical wiring Pipe outside diameter Dimension B [in. (mm)] Flare tool for R410A, [in. (mm)] clutch type WARNING 1/4 (6.35) 3/8 (9.1) • Before connecting the wires, make sure the power supply is OFF. 3/8 (9.52) 1/2 (13.2) 0 to 0.020 •...

  • Page 7: Remote Controller Installation

    3.4.2. How to the install the connection cable (5) Do not tighten the terminal screws too much, otherwise, the screws may break. (1) Remove the screws, then remove the conduit holder. Screw with special washer Screw with special washer (2) Fasten the indoor unit wire harness to the conduit holder using the lock nut. IMPORTANT: Refer to “3.4.1.

  • Page 8: Optional Installation Work

    Cable tie (accessory for option) 4. OPTIONAL INSTALLATION WORK Screw (large, Connector (CN300) Connector (CN301) accessory for option) 4.1. Optional kit installation Wire with connector NOTES: (accessory The External input and output PCB and the W-LAN adapter cannot be used simul- •...

  • Page 9: Function Details

    ■ Indoor unit fan control for energy saving for cooling 5.1. Function details Enables or disables the power-saving function by controlling the indoor unit fan rotation when the outdoor unit is stopped during cooling operation. ■ Filter sign (♦... Factory setting) Select appropriate intervals for displaying the fi...

  • Page 10: Test Run

    ■ Room temperature control for indoor unit sensor 6. TEST RUN Depending on the installed environment, correction of the room temperature sensor may be required. ■ Check items Select the appropriate control setting according to the installed environment. (1) Is operation of each button on the remote control unit normal? The temperature of the room temperature sensor is corrected as follows: (2) Does each lamp light normally? Corrected temp.

  • Page 11: Error Codes

    9. ERROR CODES Error display OPERATION TIMER ECONOMY Error code Description If you use a wireless remote controller, the lamp on the photo detector unit will output error lamp lamp lamp codes by way of blinking patterns. If you use a wired remote controller, error codes will ap- (green) (orange) (green)
  • Page 12 Error display OPERATION TIMER ECONOMY Error code Description lamp lamp lamp (green) (orange) (green)   (10) Low pressure error Branch boxes error   (13) [Flexible Multi] ● Display mode : 0.5s ON / 0.5s OFF ◊ : 0.1s ON / 0.1s OFF ( ) : Number of flashing ■...

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