Table of Contents
Related Manuals for Fujitsu AIRSTAGE AJY126LELAH
Summary of Contents for Fujitsu AIRSTAGE AJY126LELAH
- Page 1 INSTALLATION MANUAL OUTDOOR UNIT For authorized service personnel only. AJY126LELAH AJY144LELAH AJH126LELAH AJH144LELAH РУКОВОДСТВО ПО УСТАНОВКЕ ВНЕШНИЙ МОДУЛЬ Только для авторизованного обслуживающего персонала. [Original instructions] PART No. 9380545248-02...
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Page 2: Table Of Contents
INSTALLATION MANUAL 1. SAFETY PRECAUTIONS VRF system outdoor unit • Be sure to read this Installation manual thoroughly before installation. PART No. 9380545248-02 • The warnings and precautions indicated in this Installation manual contain important information pertaining to your safety. Be sure to observe them. Contents •... -
Page 3: About This Product
This mark indicates procedures which, if improperly per- 2. ABOUT THIS PRODUCT CAUTION formed, might possibly result in personal harm to the user, or damage to property. 2.1. Precautions for using R410A refrigerant This unit must be installed by qualified personnel with a capacity certificate for handling refrigerant fluids. -
Page 4: Combinations
2.4. Combinations 3.2. Drain processing The number of indoor units that can be connected are as follows: CAUTION Outdoor unit cooling capacity Maximum connectable indoor Model Perform drain work in accordance with this Manual, and ensure that the drain water is [kW] units properly drained. -
Page 5: Transporting The Unit
3.3.1 Single outdoor unit installation 3.3.3 Outdoor units installation in multi row When the upward area is open Unit: mm * The following settings are not recommended in case of cooling by a low outside tem- perature. Unit: mm (1) Obstacles at rear only (2) Obstacles at rear and sides only (1) Single parallel unit arrangement (2) Multiple parallel unit arrangement... -
Page 6: Installing The Unit
3.5. Installing the unit 4. SYSTEM CONFIGURATION • Please install the outdoor unit without slant. (within 0.3 degrees ) For detailed information, refer to the Design and Technical Manual. • Install 4 anchor bolts at the locations indicated with arrows in the figure. 4.1. -
Page 7: Protection Of Pipes
Table. B (Diameter of piping used between outdoor unit and first separation 5. PIPE INSTALLATION tube or header) Diameter of piping [mm (in)] Outdoor unit cool- 5.1. Brazing MODEL ing capacity [kW] Liquid pipe Gas pipe CAUTION AJ*126LELAH 40.0 12.7 (1/2) 28.58 (1-1/8) AJ*144LELAH 45.0... -
Page 8: Opening The Knockout Hole
5.4.2 Removing the pinch pipe 5.3. Opening the knockout hole WARNING CAUTION Remove the pinch pipe only when the internal gas is completely drained as shown on the below instructions. Be careful not to deform or scratch the panel while opening the knockout holes. If gas still remains inside, the piping may crack if you melt the brazing filler metal of the To protect the piping insulation after opening a knockout hole, remove any burrs from junction area with a burner. -
Page 9: Electrical Wiring
6. ELECTRICAL WIRING 6.2. Knockout hole CAUTION 6.1. The precautions of electrical wiring Be careful not to deform or scratch the panel while opening the knockout holes. WARNING After opening the knockout holes, remove burr on the edges, and attach the one-touch bush (accessory), grommet or conduit etc. -
Page 10: Transmission Line
6.4.3 Enabling/Disabling automatic address setting 6.4. Transmission line You can enable/disable automatic address setting for the indoor unit and the signal ampli- fier. CAUTION To enable automatic address setting for the indoor unit, connect the indoor unit to outdoor Caution when wiring cable: units under the same refrigerant system. -
Page 11: External Input And External Output
6.5.2 Wiring procedure 6.6. External input and external output • Remove the service panel. And connect the cable to the terminal in accordance with the 6.6.1 Terminal position terminal name plate. • Use a ring terminal to connect the electric cables to the power supply terminal board. Base heater Output 1 (CN136: Black) •... -
Page 12: Field Setting
Operation behavior 7. FIELD SETTING Each input terminal works as follows. Connector Input signal Status CAUTION Normal operation Discharge the static electricity from your body before setting up the DIP switches. Input 1 Never touch the terminals or the patterns on the parts that are mounted on the PC CN131 (Yellow) Low noise mode operation board. -
Page 13: Rotary Switch Setting
Level 1 (stop) 7.3. Rotary switch setting Level 2 (operated at 40% capacity) The rotary switch (REF AD) sets the refrigerant circuit address of the outdoor unit. Config- ure the settings only on the master unit of a refrigerant system. Level 3 Energy saving If multiple refrigerant systems are connected, set the rotary switch (REF AD) as shown in... -
Page 14: Address Setting For Signal Amplifi Ers
(1) Turn on the power of the outdoor unit and enter standby mode. 7.5. Address setting for signal amplifi ers • When system is abnormal • When system is normal Check the settings as there is an error in the POWER/MODE lamp lights up. -
Page 15: Resistance Measurement Of Transmission Cable (Measure With Breaker Off)
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. B to “00”, it means the address of that device is not set. -
Page 16: Additional Charging
Evacuation procedure (1) Calculation of additional amount for pipe length (1) Remove the blank caps of the gas pipe and liquid pipe and check that the valves are Total length of ø 12.70 Total length of ø 9.52 closed. mm liquid pipe mm liquid pipe a ×... -
Page 17: Test Run
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, please refer to the “10.2.Error codes”. •... -
Page 18: Checklist
Test operation setting method 10. LED STATUS Use the “MODE/EXIT”, “SELECT”, and “ENTER” buttons on the indoor unit PC board to configure settings according to the procedures below. You can determine the operating status by the lighting up and blinking of the LED display. Check the status using the table below. -
Page 19: Information
Protection level against dust and water Dry-bulb temperature and wet-bulb temperature 12. Condition of cooling/heating under standard cooling/heating condition 13. Manufacture year Manufacture year 14. Origin Origin country Manufacturer FUJITSU GENERAL LIMITED 15. Manufacturer Address: 3-3-17, Suenaga, Takatsu-ku, Kawasaki 213-8502, Japan En-18...