Related Manuals for Fujitsu AJY072LELAH
Summary of Contents for Fujitsu AJY072LELAH
-
Page 1: Installation Manual
INSTALLATION MANUAL OUTDOOR UNIT For authorized service personnel only. AJY072LELAH AJY090LELAH AJY108LELAH AJH072LELAH AJH090LELAH AJH108LELAH [Original instructions] PART No. 9380545200-03... -
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. 9380545200-03 • 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) For the following installation conditions, it is necessary to increase the piping size. 5.1. Brazing • Condition 1: Total indoor unit capacity ratio ˃ 110% •... -
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. Output 1 (CN136: Black) • Use a ring terminal to connect the electric cables to the power supply terminal board. •... -
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
(Forbidden) 7.3. Rotary switch setting (Factory default) The rotary switch (REF AD) sets the refrigerant circuit address of the outdoor unit. Config- (Forbidden) ure the settings only on the master unit of a refrigerant system. (Factory default) If multiple refrigerant systems are connected, set the rotary switch (REF AD) as shown in ... - Page 14 (1) Turn on the power of the outdoor unit and enter standby mode. Setting number (00xx) • When system is abnormal • When system is normal Setting number (01xx) Check the settings as there is an error in the POWER/MODE lamp lights up.
-
Page 15: Address Setting For Signal Amplifi Ers
7.6.2 Procedures to enable automatic address setting on indoor 7.5. Address setting for signal amplifi ers units 7.5.1 Address setting for signal amplifi ers Check that the rotary switch IU AD on the indoor unit PC board is set to “00”.If it is not set to “00”, it means the address of that device is not set. -
Page 16: Pipe Installation Ii
Evacuation procedure 8. PIPE INSTALLATION II (1) Remove the blank caps of the gas pipe and liquid pipe and check that the valves are closed. Fig. A Connection system Fig. B (2) Remove the charging port cap. (3) Connect a vacuum pump and a pressure gauge to a charging hose and connect it to Service hose Pressure regu- Pressure... -
Page 17: Installing Insulation
(1) Calculation of additional amount for pipe length 9. TEST RUN Total length of ø 12.70 Total length of ø 9.52 mm liquid pipe mm liquid pipe a × 0.114 a × 0.058 9.1. Indoor unit connection check (kg/m) (kg/m) Normal operation will not be possible without performing the Indoor unit connection check. -
Page 18: Pre-Check For Test Run
9.1.3 Error displays Test operation setting method Use the “MODE/EXIT”, “SELECT”, and “ENTER” buttons on the indoor unit PC board to • When error occurs, “Err” and “Number of errors occurred” are alternately displayed on configure settings according to the procedures below. the 7 segment display every 1 second. -
Page 19: Led Status
Origin country 1 Indoor unit miscellaneous error actuator error Manufacturer 5 Outdoor unit reverse/missing phase & wiring error FUJITSU GENERAL LIMITED 3 Outdoor unit EEPROM access error 15. Manufacturer Address: 3-3-17, Suenaga, Takatsu-ku, Kawasaki 6 Outdoor unit inverters communication error...