Summary of Contents for Fujitsu AJ 040KCTAH Series
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INSTALLATION MANUAL VRF SYSTEM OUTDOOR UNIT For authorized service personnel only. INSTALLATIONSANLEITUNG VRF-SYSTEM AUSSENGERÄT Nur für autorisiertes Fachpersonal. MANUEL D’INSTALLATION UNITÉ EXTÉRIEURE À SYSTÈME VRF Pour le personnel agréé uniquement. MANUAL DE INSTALACIÓN UNIDAD EXTERIOR DEL SISTEMA VRF AJ*040KCTAH Únicamente para personal de servicio autorizado. AJ*045KCTAH AJ*054KCTAH MANUALE DI INSTALLAZIONE...
INSTALLATION MANUAL [Original instructions] This mark indicates procedures which, if improperly per- WARNING VRF system outdoor unit formed, might lead to the death or serious injury of the user. PART No. 9380545552-01 This mark indicates procedures which, if improperly per- CAUTION formed, might possibly result in personal harm to the user, or Contents...
This manual includes requirements of clauses according to Table DD.1 (Installation, Main- CAUTION tenance and repair, Decommissioning) WARNING 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. •...
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CAUTION CAUTION 2-7 Checks to the refrigerating equipment 8. Removal and evacuation • Where electrical components are being changed, they shall be fit for the purpose and • When breaking into the refrigerant circuit to make repairs – or for any other purpose to the correct specification.
CAUTION 2. ABOUT THIS PRODUCT 12. Recovery • When removing refrigerant from a system, either for servicing or decommissioning, it 2.1. Installation tools is recommended good practice that all refrigerants are removed safely. • When transferring refrigerant into cylinders, ensure that only appropriate refrigerant recovery cylinders are employed.
2.5. Optional parts 3.2. Drain processing CAUTION CAUTION The following parts are optional parts specific to R32/R410A refrigerant. Do not use Perform drain work in accordance with this manual, and ensure that the drain water is parts other than those listed below. properly drained.
3.3.1 Single outdoor unit installation 3.4. Transporting the unit When the upward area is open Unit: mm CAUTION (1) Obstacles at rear only (2) Obstacles at rear and sides only Do not touch the fins. Otherwise, personal injury could result. When carrying the unit, hold Suction grille the handles on the left and...
Table. D (Diameter of piping used between separation tube and indoor unit) 4. SYSTEM CONFIGURATION Outside diameter [mm(in.)] Model code of Cooling capacity of For detailed information, refer to the Design and Technical manual. indoor unit indoor unit [kW] Liquid pipe Gas pipe 04, 07, 09 1.1, 2.2, 2.8...
• When connecting at the bottom, remove the service panel and pipe cover on the front of the outdoor unit, and open the knockout provided at the bottom corner of the pipe 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.) PROHIBITED Fig.
5.4.3 Pipe connection WARNING CAUTION Make sure to secure the electrical insulation portion of the connector cable with the cord clamp. A damaged insulation can cause a short circuit. Be sure to install the pipe against the port on the indoor unit and the outdoor unit cor- rectly.
6.4.1 Transmission wiring specifications Installation method of One-touch bush Fix the One-touch bush (accessory) as shown in the figure below. Follow the specifications below for the transmission cable. Front connection Lateral connection Rear connection Size Cable type Remarks 22AWG LEVEL 4 (NEMA) LONWORKS ®...
*1: The number of power supply terminals is different depending on the indoor unit 6.5. Wiring method model. For the wiring, refer to the indoor unit installation manual. *2: Earth (Ground) the remote controller if it has an earth (ground) cable. 6.5.1 Connection diagrams *3: Optional parts.
6.6.2 Optional parts Cable routing How to connect cables to the terminal block Caution when connecting cable (1) Use ring terminals with insulating sleeves as shown in the figure to connect to the terminal block. (2) Securely clamp the ring terminals to the cables using an appropriate tool so that the cables do not come loose.
7.1. Field setting switches NOTES: *1: The “external input priority mode” must be set by pressing push button on PC board of outdoor unit. (Refer to “7. FIELD SETTING”.) Remove the service panel of the outdoor unit and the cover of the electrical component *2: Batch stop or Emergency stop pattern can be selected by outdoor unit PC board box to access the PC board of the outdoor unit.
7.3. Rotary switch setting Level 1 (stop) Level 2 The rotary switch (REF AD) sets the refrigerant system address of the outdoor unit. If (operated at 40% capacity) multiple refrigerant systems are connected, set the rotary switch (REF AD) as shown in Level 3 Energy saving the table below.
(1) Turn on the power of the outdoor unit and enter standby mode. 7.5. Address setting for signal amplifiers (2) Setting method Use the “MODE/EXIT”, “SELECT”, 7.5.1 Address setting for signal amplifiers : Press the “MODE/EXIT” button and “ENTER” buttons to configure When using signal amplifiers, the address for signal amplifiers must be set.
7.6.2 Procedures to enable automatic address setting on indoor 8. PIPE INSTALLATION II units Check that the rotary switch IU AD on the indoor unit PC board is set to “00”. If it is not set Fig. A: Connection diagram Fig.
Evacuation procedure (1) Calculation of additional amount for pipe length and connected Shut off valve kit (1) Remove the blank caps of the gas pipe and liquid pipe and check that the valves are Total length of ø 9.52 Total length of ø 6.35 closed.
9.1.3 Error displays 9. TEST RUN • When error occurs, “Err” and “Number of errors occurred” are alternately displayed on the 7-segment display every 1 second. 9.1. Indoor unit connection check • For the content of error, refer to “10.2. Error codes”. •...
Test operation setting method 10. STATUS DISPLAY Use the “MODE/EXIT”, “SELECT”, and “ENTER” buttons on the outdoor unit PC board to configure settings according to the procedures below. 10.1. Normal operation codes Function settings First 2 digits Last 2 digits Mode Code Description...
Dry-bulb temperature and wet-bulb temperature (16) Condition of max. cooling at maximum electric current and input (17) Manufacture year Manufacture year (18) Origin Origin country Manufacturer FUJITSU GENERAL LIMITED (19) Manufacturer Address: 3-3-17, Suenaga, Takatsu-ku, Kawasaki 213-8502, Japan En-20...
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