Fujitsu Slim Duct Type Installation Manual
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Fujitsu Slim Duct Type Installation Manual

Air conditioner outdoor unit, slim duct type, r410a refrigerant
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AIR CONDITIONER
INDOOR UNIT
Slim Duct Type

INSTALLATION MANUAL

For authorized service personnel only.
Contents
1. SAFETY PRECAUTIONS ............................................. 2
1.2. Special precautions ................................................ 2
2. ABOUT THE UNIT ........................................................ 3
2.2. Special tools for R410A .......................................... 3
2.4. Accessories ............................................................ 4
2.5. Optional parts ......................................................... 5
3. GENERAL ..................................................................... 5
3.3. Operating range ..................................................... 5
4. ELECTRICAL REQUIREMENT ..................................... 6
6. INSTALLATION WORK ................................................. 7
(Ceiling concealed type) ...................................... 7
Floor standing concealed type) ........................... 7
Floor standing concealed type) ......................... 10
7. PIPE INSTALLATION .................................................. 12
7.1. Selecting the pipe material ................................... 12
7.2. Pipe requirement .................................................. 12
7.4. Installing heat insulation ....................................... 13
8. INSTALLING DRAIN PIPES ........................................ 14
(Ceiling concealed type) .................................... 14
Floor standing concealed type) ......................... 14
8.2. Install the drain pipe ............................................. 15
9. ELECTRICAL WIRING ................................................ 16
9.1. INDOOR UNIT SIDE ............................................ 17
10. REMOTE CONTROLLER SETTING ........................... 18
10.1. Installing the remote controller ........................... 18
10.2. Setting the dip switches ..................................... 19
10.3. Function setting .................................................. 19
10.4. Jumper wire setting ............................................ 22
10.5. Test run .............................................................. 22
11. SPECIAL INSTALLATION METHODS ......................... 23
12. OPTIONAL PARTS ..................................................... 23
12.2. Remote sensor (Optional parts) ......................... 24
12.3. IR Receiver Unit (Optional parts) ....................... 24
13. ERROR CODES ......................................................... 25
14. CUSTOMER GUIDANCE ............................................ 26
PART NO. 9374342105-05

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Summary of Contents for Fujitsu Slim Duct Type

  • Page 1: Table Of Contents

    AIR CONDITIONER INDOOR UNIT Slim Duct Type INSTALLATION MANUAL For authorized service personnel only. Contents 7. PIPE INSTALLATION ..........12 1. SAFETY PRECAUTIONS ..........2 7.1. Selecting the pipe material ........12 1.1. IMPORTANT! Please Read Before Starting ... 2 7.2.

  • Page 2: Safety Precautions

    When Transporting 1. SAFETY PRECAUTIONS Be careful when picking up and moving the indoor and out- door units. Get a partner to help, and bend your knees when 1.1.IMPORTANT! Please Read Before Starting lifting to reduce strain on your back. Sharp edges or thin alu- minum fins on the air conditioner can cut your fingers.

  • Page 3: About The Unit

    Copper pipes 2. ABOUT THE UNIT It is necessary to use seamless copper pipes and it is desirable that the amount of residual oil is less than 0.0014 oz/10 m (33 ft). Do 2.1. Precautions for using R410A refrigerant not use copper pipes having a collapsed, deformed or discolored portion (especially on the interior surface).

  • Page 4: Accessories

    Name and Shape Q’ty Application 2.4. Accessories Filter (Small) WARNING (AR9/ For installation purposes, be sure to use the parts supplied by 12/24) the manufacturer or other prescribed parts. The use of non-prescribed parts can cause serious accidents such as the unit to fall, water leakage, electric shock, or fire. Filter (Big) The following installation parts are furnished.

  • Page 5: Optional Parts

    CAUTION 2.5. Optional parts Install heat insulation around both the gas and liquid pipes. Failure to do so may cause water leaks. Description Model No. Application Use heat insulation with heat resistance above Wireless Remote For air conditioner 248 °F. (Reverse cycle model only) UTY-LNHUM Controller operation...

  • Page 6: Electrical Requirement

    CAUTION 4. ELECTRICAL REQUIREMENT Do not install the unit near a source of heat, steam, or Always make the air conditioner power supply a special flammable gas. branch circuit and provide a special switch and receptacle. Do Install the unit where drainage does not cause any trouble. not extend the power cable.

  • Page 7: Installation Work

    6.1B. Installation dimensions (Wall mounted 6. INSTALLATION WORK type/Floor standing concealed type) 6.1A. Installation dimensions The wall mounted type/floor standing concealed type (Ceiling concealed type) requires a temperature correction setting. Perform this in “10.3. Function setting”. Provide a service access for inspection purposes. Do not place any wiring or illumination in the service space, unit: mm (in.) as they will impede service.
  • Page 8 Side Inlet - Side Outlet CAUTION Insulation material (Field supply) Check that duct work does not exceed the range of external Aluminum tape static pressure of equipment. Flange (Field supply) Make sure to insulate ducts to avoid condensation. Make sure to insulate between ducts and walls if metal ducts are used.
  • Page 9 6.2A.2. INSTALL THE FILTERS 6.2A.4. FIX THE UNIT (1) Hang the unit • Install the filters to the unit. Hanger Hanger bolt Nut A (Field supply) Washer (Accessories) Nut B (Field supply) Hanger bolt Filter (Accessories) Hanger Nut A (Field supply) AR9/12/18: 2 filters AR24: 3 filters Washer...

  • Page 10: Install The Unit (Wall Mounted Type/Floor Standing Concealed Type)

    Level 6.2B.1. UNIT INSTALLATION EXAMPLE (Wall mounted type/Floor standing concealed type) Connect the locally purchased duct. (1) Inlet side • Connect the duct to the locally purchased inlet flange. • Connect the flange to the body with the locally purchased tapping screws.
  • Page 11 6.2B.2. INSTALL THE FILTER 6.2B.3. INSTALLING THE UNIT • Install the filters (Accessories) to the unit. • To prevent overturning, attach the unit to the floor or the wall. • To avoid vibration of the unit, install vibration isolation pad between the unit and the floor or the wall.

  • Page 12: Pipe Installation

    7.2. Pipe requirement 7. PIPE INSTALLATION CAUTION CAUTION Refer to the Installation Manual of the outdoor unit for description of the length of connecting pipe or for difference Be careful that foreign matter (oil, water, etc.) does not enter of its elevation. the piping with refrigerant R410A models.

  • Page 13: Installing Heat Insulation

    Check if [L] is flared uniformly CAUTION and is not cracked or scratched. 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.

  • Page 14: Installing Drain Pipes

    • Install the drain pipe with downward gradient (1/50 to 8. INSTALLING DRAIN PIPES 1/100) and so there are no rises or traps in the pipe. • Use general hard polyvinyl chloride pipe [19 mm (3/4 in.) O.D. 27 mm (1-1/16 in.)] and connect it with adhesive 8.1A.

  • Page 15: Install The Drain Pipe

    CAUTION 8.2. Install the drain pipe Do not connect to the Drain hole with adhesive. Using (1) Be sure to use supplied Drain hose 1 and Hose band 2 adhesive may cause damage and water leaks. 2 Hose band (3) After installing the Drain hose 1 , check if the drainage is 1 Drain hose smooth.

  • Page 16: Electrical Wiring

    • STEP1~STEP3 Note: Check for drainage Pour about 1 liter of water from the position shown in the Butt the insulation diagram or from the airflow outlet to the condensate tray. Check against the unit. for any abnormalities such as strange noises and whether the Unit drain pump functions normally.

  • Page 17: Indoor Unit Side

    WARNING Use ring terminals and tighten the terminal screws to the specified torques, otherwise, abnormal overheating may be produced and possibly cause heavy damage inside the unit. Binder (Medium) Table 1 (Accessories) Tightening torque M4 screw 1.2 to 1.8 N·m (11 to 16 lbf·in) Remote control cable 9.1.

  • Page 18: Remote Controller Setting

    10. REMOTE CONTROLLER SETTING 1. Red 2. White Hole 3. Black CAUTION When detecting the room temperature Temperature CAUTION using the remote controller, please Binder sensor (Small) set up the remote controller accord- When connecting the ing to the following conditions. If the remote controller wires, do remote controller is not located prop- not overtighten the screws.

  • Page 19: Setting The Dip Switches

    10.2. Setting the dip switches 10.3. Function setting Set the remote controller DIP switches. This procedure changes the function settings used to control [Example] the indoor unit according to the installation conditions. Incorrect settings can cause the indoor unit to malfunction. This proce- Front case (back side) dure should be performed by authorized installation or service personnel only.

  • Page 20: Function Details

    (4) Press the SET TEMP. buttons ( ) to select the set- • Function Details ting value. The display flashes as shown to the right during setting (1) Filter Sign value selection. The indoor unit has a sign to inform the user that it is time to clean the filter.

  • Page 21: Setting Record

    (4) Heating room temperature correction (8) External input control Depending on the installed environment, the room "Operation/Stop" mode or "Forced stop" mode can be temperature sensor may require a correction. selected. The settings may be changed as shown in the table below. (♦...

  • Page 22: Indoor Unit/Remote Controller Setting

    B. Indoor unit/remote controller setting 10.5. Test run (room temperature sensor selection) CAUTION The temperature sensor of the indoor unit or the remote con- troller can be used to detect the room temperature. Always turn on the power 12 hours prior to the start of the operation in order to ensure compressor protection.

  • Page 23: Special Installation Methods

    11. SPECIAL INSTALLATION METHODS 12. OPTIONAL PARTS WARNING CAUTION Refer to local codes for acceptable cable type. When setting DIP switches, do not touch any other parts on the circuit board directly with your bare hands. 12.1. External input and external output Be sure to turn off the main power.

  • Page 24: Remote Sensor (Optional Parts)

    12.2. Remote sensor (Optional parts) 12.3. IR Receiver Unit (Optional parts) Connection method Connection method • Connection terminals • Connection terminals Reciever unit terminal (CN13) • Wiring arrangement Remote sensor terminal (CN8) Binder • Wiring arrangement Binder • Use 7 pins for receiver unit cable. •...

  • Page 25: Error Codes

    13. ERROR CODES If you use a wired type remote control, error codes will appear on the remote control display. If you use a wireless remote control, the lamps on the IR receiver unit will output error codes by way of blinking patterns. See the lamp blinking patterns and error codes in the table below.

  • Page 26: Customer Guidance

    [Troubleshooting at the remote control LCD] This is possible only on the wired remote control. [Self-diagnosis] If an error occurs, the following display will be shown. (“Er” will appear in the set room temperature display.) Error code EX. Self-diagnosis 14. CUSTOMER GUIDANCE Explain the following to the customer in accordance with the operating manual: (1) Starting and stopping method, operation switching,...

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