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INSTALLATION MANUAL
INDOOR UNIT (Cassette Type)
For authorized service personnel only.
MANUEL D'INSTALLATION
APPAREIL INTÉRIEUR (Type Cassette)
Uniquement réservé aux techniciens agréés.
MANUAL DE INSTALACIÓN
UNIDAD INTERIOR (Tipo Casete)
Sólo para personal de servicio autorizado.
MANUAL DE INSTALAÇÃO
AUUB18RLAV
AUUB24RLAV
UNIDADE INTERIOR (Tipo Cassete)
AUUB30RLAV
Apenas para técnicos de assistência autorizados.
AUUB36RLAV
PART NO. 9371022222-02
Table of Contents
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Summary of Contents for Fujitsu AIRSTAGE AUUB18RLAV

  • Page 1 INSTALLATION MANUAL INDOOR UNIT (Cassette Type) For authorized service personnel only. MANUEL D’INSTALLATION APPAREIL INTÉRIEUR (Type Cassette) Uniquement réservé aux techniciens agréés. MANUAL DE INSTALACIÓN UNIDAD INTERIOR (Tipo Casete) Sólo para personal de servicio autorizado. MANUAL DE INSTALAÇÃO AUUB18RLAV AUUB24RLAV UNIDADE INTERIOR (Tipo Cassete) AUUB30RLAV Apenas para técnicos de assistência autorizados.
  • Page 2: Table Of Contents

    INSTALLATION MANUAL In Case of Improper Installation The manufacturer shall in no way be responsible for improper installation or maintenance PART NO. 9371022222-02 service, including failure to follow the instructions in this document. VRF system indoor unit (Cassette type) 1. 2. SPECIAL PRECAUTIONS Contents SAFETY PRECAUTIONS …………………………………………………………………...
  • Page 3: About The Unit

    ABOUT THE UNIT Name and Shape Q’ty Application Operation Manual 2. 1. Precautions for using the R410A refrigerant WARNING Installation Manual (This book) Do not introduce any substance other than the prescribed refrigerant into the refrigera- tion cycle. If air enters the refrigeration cycle, the pressure in the refrigeration cycle will become abnormally high and cause the piping to rupture.
  • Page 4: Installation Work

    INSTALLATION WORK H (The maximum height from fl oor to ceiling) [ft. (mm)] Correct initial installation location is important because it is diffi cult to move unit after it is Model name AUUB 18/24 AUUB 30/36 installed. 10.5 10.5 Standard mode 3.
  • Page 5: Installing The Unit

    10-15/16 (278) 2-3/8 (60) 3. 3. Installing the unit Drain pipe 14-3/32 (358) (Connect the attached drain hose) WARNING Install the air conditioner in a location which can withstand a load of at least 5 times the weight of the main unit and which will not amplify sound or vibration. If the installation location is not strong enough, the indoor unit may fall and cause injuries.
  • Page 6: Pipe Installation

    3. 3. 2. Hanging preparations PIPE INSTALLATION • Firmly fasten the hanging bolts as shown in the fi gure or by another method. • Install the hanging bolts at a place where they would be capable of holding a weight of CAUTION at least 490 N per bolt.
  • Page 7: Flare Connection (Pipe Connection)

    (1) Detach the caps and plugs from the pipes. 4. 3. Flare connection (pipe connection) (2) Center the pipe against the port on the indoor unit, and then turn the fl are nut by hand. WARNING Connection pipe (Gas) Tighten the fl are nuts with a torque wrench using the specifi ed tightening method. Oth- Connection pipe erwise, the fl...
  • Page 8: Installing Drain Pipes

    Working procedure INSTALLING DRAIN PIPES (1) Install the attached drain hose to the drain port of the body. Install the hose band from the top of the hose within the graphic display area. Secure fi rmly with the hose • Install the drain pipe with downward gradient (1/50 to 1/100) and so there are no rises band.
  • Page 9: Electrical Wiring

    ELECTRICAL WIRING 6. 1. Electrical requirement WARNING Voltage rating 208/230 V Operating range 187 to 253 V Electrical work must be performed in accordance with this Manual by a person certifi ed under the national or regional regulations. Be sure to use a dedicated circuit for the unit. •...
  • Page 10: Wiring Method

    6. 2. Wiring method 6. 3. Unit wiring EXAMPLE • Before attaching the cable to terminal block. Power supply 6. 3. 1. Power supply cable Conduit connector For U.S.A. and Canada Breaker 1 : Earth leakage breaker 7-3/32 in. (180 mm) Breaker 1 (GFCI breaker) Breaker 2...
  • Page 11: Connection Of Wiring

    6. 4. Connection of wiring WARNING (1) Remove the control box cover and install each connection cable. Use ring terminals and tighten the terminal screws to the specifi ed torques, otherwise, Please fi rmly tighten Connection cable and Remote controller cable with the abnormal overheating may be produced and possibly cause heavy damage inside the attached binder.
  • Page 12: External Input And External Output (Optional Parts)

    When connected to voltage terminals of multiple indoor units with a connected unit, be (2) Install the wiring cover and control box cover. sure to make a branch outside the indoor unit using a pull box, etc. as shown on below example.
  • Page 13 [In the case of “Pulse” input] Operation behavior Connector Input signal Command Connector Output voltage Status OFF → ON Operation External Stop CN6 or CN17 OFF → ON Stop output1 Pins 1-2 DC 12-24 V *2 Operation The last command has priority. The indoor units within the same remote controller group operates in the same mode.
  • Page 14: Field Setting

    (1) Indoor unit address FIELD SETTING Rotary switch (IU AD × 1)...Factory setting “0” There are 3 methods for address setting by FIELD SETTING as follows. Rotary switch (IU AD × 10)...Factory setting “0” Set by either of the methods. When connecting multiple indoor units to 1 refrigerant system, set the address at IU Each setting method is described (1) to (3) below.
  • Page 15: Custom Code Setting

    Adjust the heat air trigger 7. 2. Custom code setting ○ Default temperature. To lower the trigger temperature by 11 degrees F Selecting the custom code prevents the indoor unit mix-up. Adjust (1) Heat air (6 degrees C), use setting 01. To (Up to 4 codes can be set.) tempera- lower the trigger temperature by...
  • Page 16: Decoration Panel Installation

    (Example) ADDRESS : 24 TEST RUN 1 cycle 12 sec 9. 1. Test run using PCB (Outdoor unit) OPERATION indicator lamp (Green) • Refer to the Installation Manual for the outdoor unit if the PCB for the outdoor unit is to TIMER be used for the test run.
  • Page 17: Error Codes

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

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