Related Manuals for Fujitsu AIRSTAGE AJH072LNLAH
Summary of Contents for Fujitsu AIRSTAGE AJH072LNLAH
- Page 1 INSTALLATION MANUAL OUTDOOR UNIT For authorized service personnel only. AJH072LNLAH AJH090LNLAH AJH126LNLAH PART NO. 9378945142...
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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 specifically for R410A use. PART NO. 9378945142 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 The Unit
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
• The drain water from the base of the outdoor unit may generate during operations. 2. 5. Optional parts Perform drain processing, as necessary. • When you want to prevent the drain water from leaking at the perimeter, construct a ditch for the drain water as shown in the figure. CAUTION •... - Page 5 Fig. 3 Multiple installations Fig. 7 <Top view> <Top view> <Rear> 500mm <Front> or more 20mm or 10mm or 30mm or 20mm or 1000mm more more more more or more (2) Concentrated installation • Provide installation spaces L3, L4, and L5 in accordance with the table below ac- cording to the wall height (front side, rear side) conditions.
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Page 6: Transportation The Outdoor Unit
When installing with the FRONT of the outdoor unit facing the wall side 3. 3. 3. W hen there are obstacles above the product When there are obstacles above the product, keep the Fig. 10 <Top view> Wall minimum installation height as shown in the figure and install the outlet duct. 500mm When installing the outlet duct, you must set the high or more... -
Page 7: Installation The Unit
4. SYSTEM CONFIGURATION 4. 1. System configuration CAUTION <Side> <Front> • 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 difference (Wall thickness and pipe material for each diameter) Between outdoor unit and indoor unit (When Outside Diameter mm 6.35 9.52 12.70 15.88 19.05 22.22 28.58 34.92 41.27 50 m or less indoor unit is installed below) Wall Thickness 1.43 Between outdoor unit and indoor unit (When COPPER COPPER 40 m or less... -
Page 9: Protection Of Pipes
• Header Header Gas pipe = 0 mm – Header Total cooling capacity of indoor unit (kW) 10 mm Horizontal line β Outdoor Horizontal 3-6 Branches 3-8 Branches : 0° – 1°) (α unit side line 28.0 or less UTR-H0906L UTR-H0908L β : -10° – 10° α VIEW C 28.1 to 56.0 UTR-H1806L UTR-H1808L... -
Page 10: Multiple Connections
Fig. B D etail of knockout position (bottom) 3) After all the gas is vented, melt the brazing filler metal on connecting part using a torch and remove the pinch pipe. (Unit: mm) Knockout hole Fig. C D etail of knockout position (front) 5. 3. 3. Pipe connection (Unit: mm) CAUTION Seal the pipe route hole with putty (field supply) such that there are no gaps. Small insects or animals that are trapped in the outdoor unit may cause a short circuit Knockout in the electrical component box. - Page 11 (1) Examples of multiple unit installation are shown below. Outdoor Capacity a) Installable patterns 2 Units : Unit 1 ≥ Unit 2 3 Units : Unit 1 ≥ Unit 2 ≥ Unit 3 Slave Slave Master GOOD unit 1 unit 2 unit To indoor unit Slave Master...
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Page 12: Electrical Wiring
6. ELECTRICAL WIRING 6. 2. Wiring method 6. 1. The precautions of electrical wiring The wiring example for outdoor units and indoor units is shown in the figure. To other refrigerant cricuit WARNING outdoor unit Wiring connections must be performed by a qualified person in accordance with specifications. The rated supply of this product is 50Hz, 400V of 3-phase, 4-wire. -
Page 13: Selecting Power Supply Cable And Breaker
Fig. I n case of connected 3 outdoor unit GOOD breaker Main breaker 400 V 3ø 50 Hz < Left view > < Front view > Outdoor unit power supply cable Ø 50 Ø 50 (3) Example of bad breaker wiring Ø 34.5 Ø 34.5 PROHIBITED Ø... -
Page 14: Wiring Procedure
Fig. 1 6. 6. Wiring procedure Outdoor unit • Remove the cover of the electrical compartment and follow the terminal plate to con- Transmission line System nect the electric cables to the terminal. Controller • After connecting the cables, secure them with the cable ties. •... -
Page 15: External Input And External Output
(1) Connecting the power supply cable 6. 7. External input and external output Caution when wiring cable 1) Use crimp-type terminals with insulating sleeves as shown in the figure to con- 6. 7. 1. Terminal position nect to the terminal block. 2) Securely clamp the crimp-type terminals to the cables using an appropriate tool Output 2 so that the cables do not come loose. -
Page 16: Field Setting
Input 1 Input 2 Input 3 Input 4 Input 5 P.C.B DC power supply CN131 CN135 CN132 CN133 CN134 (External) 12 to 24 V (Yellow) (Green) (White) (Orange) (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 17: Rotary Switch Setting
Configure the setting (DIP switch SET5) of the terminal resistor of the outdoor units as 7 Segment shown below from conditions 1 to 3. LED lamp LED indicator POWER Rotary switch ERROR MODE SET5 Terminal resistor Remarks LED101 LED102 (GREEN) (RED) REF AD LED105... -
Page 18: Push Button Setting
7. 4. Push button setting Standard High static pressure 1 Various functions can be set when necessary. (equivalent to 30Pa) High static pressure Perform settings after all indoor units have stopped operation. mode High static pressure 2 (equivalent to 80Pa) Table. A: List of Settings (Forbidden) 7 segment LED indicator When installing a duct to the blow-off outlet of an outdoor unit, set the high static Factory... - Page 19 Setting number (00xx) 1: FUNCTION Setting Setting number (01xx) Electricity meter First 2 digits Last 2 digits ······ ··· ··· 7 segment LED indicator pulse setting 2 *3 (LED105, LED104) Setting number (98xx) Setting number (99xx) MODE/EXIT Set the hundreds digit and thousands digit of the electricity meter pulse setting connected to CN135.
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Page 20: Signal Amplifier Address Setting
Fig. Wiring example for automatic address setting 7. 5. Signal amplifier address setting (1) Signal amplifier wiring example (2)(3)(4) Indoor unit wiring example 7. 5. 1. Signal amplifier address setting (Connect the indoor and outdoor units of the same refrigerant system as shown below.) When using signal amplifiers, the address for signal amplifiers must be set. The address for signal amplifiers can be set automatically from 1 outdoor unit (master Refrigerant system1 (1) Signal amplifier... -
Page 21: Resistance Measurement Of Transmission Cable (Measure With Breaker Off)
Fig. B 7. 7. R esistance 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 22: Additional Charging
8. 3. Additional charging Total length of Total length ø12.70 mm liquid of ø9.52 mm b × 0.114 b × 0.058 CAUTION pipe liquid pipe (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 23: 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”. • To prevent condensation and water droplets, install insulation material on the refriger- Test operation setting method ant pipe. -
Page 24: Checklist
9. 3. Checklist E 9 2. 1 Outdoor unit compressor 2 error E 9 2. 2 Outdoor unit compressor 2 current value error E 9 3. 1 Outdoor unit inverter compressor start up error Check description Check method Criteria E 9 4. 1 Outdoor unit trip detection Cooling: low pressure ap- High and low pressure Check it with a... -
Page 25: Information
Dry-bulb temperature and wet-bulb tem- 16. Condition of max. cooling perature at maximum electric current and input 17. Manufacture year Manufacture year 18. Origin Origin country Manufacturer FUJITSU GENERAL LIMITED 19. Manufacturer Address : 1116, Suenaga, Takatsu-ku, Kawasaki 213-8502, Japan Label En-24...