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INSTALLATION MANUAL
OUTDOOR UNIT
For authorized service personnel only.
AJY072LNTCH
AJY090LNTCH
AJY108LNTCH
AJY126LNTCH
AJY144LNTCH
AJY162LNTCH
AJH072LNTCH
AJH090LNTCH
AJH108LNTCH
AJH126LNTCH
AJH144LNTCH
AJH162LNTCH
Refer to the rating label for the serial number,
manufactured year and month.
TM
MADE IN THAILAND
PART No. 9378945609-02
Table of Contents
Related Manuals for Fujitsu AIRSTAGE AJY072LNTCH
Summary of Contents for Fujitsu AIRSTAGE AJY072LNTCH
- Page 1 INSTALLATION MANUAL OUTDOOR UNIT For authorized service personnel only. AJY072LNTCH AJY090LNTCH AJY108LNTCH AJY126LNTCH AJY144LNTCH AJY162LNTCH AJH072LNTCH AJH090LNTCH AJH108LNTCH AJH126LNTCH AJH144LNTCH AJH162LNTCH Refer to the rating label for the serial number, manufactured year and month. MADE IN THAILAND PART No. 9378945609-02...
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Page 2: Table Of Contents
INSTALLATION MANUAL To install a unit that uses the R410A refrigerant, use dedicated tools and piping materials that have been manufactured specifi cally for R410A use. PART No. 9378945609-02 Because the pressure of the R410A refrigerant is approximately 1.6 times higher VRF system outdoor unit than the R22, failure to use dedicated piping material or improper installation can cause rupture or injury. -
Page 3: About This Product
Do not install the unit in the following areas: Tool name Contents of change for R22 tool • For the installation conditions if installing in an area of high salt damage such as the coast, follow the Design & Technical Manual. A conventional (R22) vacuum pump can be used by install- •... -
Page 4: Optional Parts
Energy-saving combination CAUTION Combination (HP) Outdoor Unit 1 (HP) ― ― ― ― ― Install this unit in a location with good ventilation. Outdoor Unit 2 (HP) ― ― ― ― ― If the unit must be installed in an area within easy reach of the general public, install as necessary a protective fence or the like to prevent their access. -
Page 5
Fig. 6 Wall height condition Necessary installation space
When H1 is 1500 (mm) or less L1 ≥ 500 (mm) When H1 is 1500 (mm) or more L1 ≥ 500+h1÷2 (mm) When H2 is 500 (mm) or less L2 ≥ 100 (mm) 800mm When H2 is 500 (mm) or more L2 ≥... -
Page 6: Transportation The Outdoor Unit
3. 3. 3. When there are obstacles above the product 800mm or more When there are obstacles above the product, keep the minimum installation height as shown in the fi gure and install the outlet duct. When installing the outlet duct, you must set the high Outlet duct static pressure mode with the push-button switch. -
Page 7: Installation The Unit
4. SYSTEM CONFIGURATION 4. 1. System confi guration CAUTION• When connecting multiple outdoor units, set the nearest outdoor unit to the indoor unit on the refrigerant pipe as the master unit. • When connecting multiple outdoor units, install the outdoor unit with the largest nominal system capacity nearest to the indoor unit on the refrigerant pipe, fol- lowed by those with less nominal system capacities. -
Page 8: Pipe Selection
• Allowable height diff erence (Wall thickness and pipe material for each diameter) Outside Diameter mm 6.35 9.52 12.70 15.88 19.05 22.22 28.58 34.92 41.27 Between outdoor unit and indoor unit (When 50 m or less indoor unit is installed below) Wall Thickness 1.43 Between outdoor unit and indoor unit (When... -
Page 9: Downsizing Of Pipe Diameter
• Header Table. A2 Outdoor unit Outside diameter (mm) Header Total cooling capacity of indoor unit (kW) cooling 3-6 Branches 3-8 Branches Liquid pipe Gas pipe capacity (kW) 28.0 or less UTR-H0906L UTR-H0908L 22.4 12.70 (1/2") → 9.52(3/8") 22.22 (7/8") → 19.05 (3/4") 28.1 to 56.0 UTR-H1806L UTR-H1808L... -
Page 10: Protection Of Pipes
D (between separation tubes to indoor unit) • Allowable pipe length (actual pipe length) Between master out door unit and the a (+e)+f, 120 m or less farthest indoor unit a (+e)+p Between the fi rst separation tube and the 60 m or less f, p farthest indoor unit... -
Page 11: Multiple Connections
Fig. A Knockout position 5. 3. 3. Pipe connection CAUTION Seal the pipe route hole with putty (Locally purchased) such that there are no gaps. Small insects or animals that are trapped in the outdoor unit may cause a short circuit in the electrical component box. - Page 12 Outdoor Capacity 4) For details, refer to the Installation Instruction Sheet of the outdoor unit branch kit. 2 Units : Unit 1 ≥ Unit 2 Fig. Examples of multiple unit installation 3 Units : Unit 1 ≥ Unit 2 ≥ Unit 3 (Example 3) (Example 1) Master unit...
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Page 13: Electrical Wiring
CAUTION Master Slave Slave unit unit1 unit2 When the electrical switchboard is installed outdoors, place it under lock and key so that it is not easily accessible. Never bundle the power supply cable and transmission cable, remote control cable Rise together. -
Page 14: Knockout Hole
Fig. In case of connected outdoor unit 6. 3. Knockout hole Transmission cable 230 V 1ø 50/60 Hz Indoor unit CAUTION Power supply cable GOOD Seal the wiring route hole with putty (Locally purchased) such that there are no gaps. Breaker 400 V 3ø... -
Page 15: Wiring Procedure
6. 5. 2. Wiring rules Example : Enable Automatic Address setting (1) Total length of transmission cable Transmission line Total transmission line length : Max. 3,600 m Refrigerant EF + EG + GH + HJ + HK + KL < 3,600 m (Fig.2) system 1 In the following cases , Signal Amplifi... -
Page 16: External Input And External Output
(1) Connecting the power supply cable 6. 7. External input and external output Caution when wiring cable 6. 7. 1. Terminal position 1) Use ring terminals with insulating sleeves as shown in the fi gure to connect to the terminal block. Input 5 Input 4 Input 3... -
Page 17: Field Setting
Input 1 Input 2 Input 3 Input 4 Input 5 P.C.B DC power supply CN131 CN132 CN133 CN135 CN134 (External) 12 to 24 V (Yellow) (Orange) (Green) (White) (Red) CN136 P.C.B (Black) or CN137 (Blue) Connected load (Operation Indicator or Error Indicator) connected unit connected unit connected unit connected unit connected unit connected unit... -
Page 18: Rotary Switch Setting
Confi gure the setting (DIP switch SET5) of the terminal resistor of the outdoor units as 7 Segment LED lamp LED indicator shown below from conditions 1 to 3. Rotary switch POWER ERROR MODE SET5 LED101 LED102 Terminal resistor Remarks (GREEN) (RED) LED105 LED104... -
Page 19: Push Button Setting
Standard (30 minutes) 7. 4. Push button setting Interval setting Short 1 (5 minutes) for snow falling Various functions can be set when necessary. protection fan Short 2 (10 minutes) Perform settings after all indoor units have stopped operation. mode *1 Short 3 (20 minutes) Table. - Page 20 Setting number (xx00) 1: Function setting Setting number (xx01) Electricity meter First 2 digits Last 2 digits ······ ··· ··· 7 segment LED indicator pulse setting 1 *3 (LED105, LED104) Setting number (xx98) Setting number (xx99) MODE/EXIT Set the ones digit and tens digit of the No. of the electricity meter pulse setting connected to CN135.
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Page 21: Signal Amplifi Er Address Setting
Fig. Wiring example for automatic address setting 7. 5. Signal amplifi er address setting (1) Signal amplifi er wiring example (2)(3)(4) Indoor unit wiring example 7. 5. 1. Signal amplifi er address setting (Connect the indoor and outdoor units of the same refrigerant system as shown below.) When using signal amplifi... -
Page 22: Resistance Measurement Of Transmission Cable (Measure With Breaker Off)
Fig. B 7. 7. Resistance measurement of transmission cable Charging cap (Measure with breaker OFF) Valve Spindle CAUTION Open Open Do not turn on the power if the resistance between the terminals of the transmis- sion cable is abnormal. Otherwise, the circuit board may be damaged. Hexagon Measure the resistance between 2 terminals of a transmission cable. -
Page 23: Additional Charging
8. 3. Additional charging Total length Total length of ø12.70 mm of ø9.52 mm × 0.114 × 0.058 liquid pipe liquid pipe CAUTION (kg/m) (kg/m) Do not turn on the power unless all operations are complete. After evacuating the system, add refrigerant. Do not charge the system with a refrigerant other than R410A. -
Page 24: Installing Insulation
Perform test operation for each refrigerant system. 8. 4. Installing insulation You can set “cooling test run" or “heating test run” with the push button on the outdoor unit PC board. • Install insulation material after conducting the “8.1 Sealing test”. •... -
Page 25: Checklist
9. 3. Checklist E 9 3. 1 Outdoor unit inverter compressor start up error E 9 4. 1 Outdoor unit trip detection E 9 5. 5 Outdoor unit compressor motor loss of synchronization Check description Check method Criteria E 9 7. 1 Outdoor unit fan motor 1 lock error Cooling: low pressure Outdoor unit fan motor 1 temperature error (protective High and low pressure... -
Page 26: Information
Protection level against dust and water Dry-bulb temperature and wet-bulb 12. Condition of cooling/heating temperature 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 Label En-25...