Fujitsu AJHA36LALH, Installation Manual

Page 1: ...ΙΚΉ ΜΟΝΆΔΑ UNIDADE EXTERIOR ВНЕШНИЙ МОДУЛЬ DIŞ ÜNİTE For authorized service personnel only Nur für autorisiertes Fachpersonal Uniquement réservé aux techniciens agréés Sólo para personal de servicio autorizado A uso esclusivo del personale tecnico autorizzato Μόνο για εξουσιοδοτημένο τεχνικό προσωπικό Apenas para técnicos de assistência autorizados Только для авторизованного обслуживающего персона...

Page 2: ...performed electrical work can cause serious accidents such as electric shock or fire For wiring use the prescribed type of cables connect them securely making sure that there are no external forces of the cables applied to the terminal connections Improperly connected or secured cables can cause serious accidents such as over heating the terminals electric shock or fire Securely install the electr...

Page 3: ...pe lightning rod or a telephone ground cable Improper grounding may cause electric shock Perform draining for the unit according to the Installation manual Check that the water is properly drained If the drain processing is improperly installed water may drip down from the unit wet ting the furniture Do not touch the fins with bare hands Be sure not to start or stop the operation of air conditioni...

Page 4: ...part you could still receive noise under some signal conditions Keep the length of the piping of the indoor and outdoor units within the allowable range For maintenance purposes do not bury the piping Drain processing 3 2 CAUTION Perform drain work in accordance with this Manual and ensure that the drain water is properly drained If the drain work is not carried out correctly water may drip down f...

Page 5: ... the upward area When the upward area is open Unit mm 1 Obstacles at rear only 300 2 Obstacles at front only 1500 or more 3 Obstacles at front and rear only 500 1500 or more When an obstruction is present also in the upward area Unit mm Obstacles at rear and above only 1500 500 Max 300 1500 3 3 3 Outdoor units installation in multi row Unit mm The following settings are not recommended in case of ...

Page 6: ...5 Use reducer to change the diameter of connection pipe Installation the unit 3 5 Please install the outdoor unit without slant within 3 degrees Install 4 anchor bolts at the locations indicated with arrows in the figure To reduce vibration do not install the unit directly on the ground Install it on a secure base such as concrete blocks The foundation shall support the legs of the unit and have a...

Page 7: ...g nitrogen gas it will create an oxidation film This can degrade performance or damage the parts in the unit such as the compres sor or valves Do not use flux to braze pipes If the flux is the chlorine type it will cause the pipes to corrode In addition if the flux contains fluoride it will affect the refrigerant piping system due to deterioration of refrigerant oil For brazing material use phosph...

Page 8: ...g with R410A flare tools to achieve the specified flaring Use a thickness gauge to measure the dimension A Pipe outside diameter mm in Width across flats of Flare nut mm 6 35 1 4 17 9 52 3 8 22 12 70 1 2 26 15 88 5 8 29 19 05 3 4 36 Width across flats Bending pipes 5 4 2 CAUTION To prevent breaking of the pipe avoid sharp bends Bend the pipe with a radius of curvature of 100mm or more If the pipe ...

Page 9: ...es Use a hexagon wrench size 4mm Opening 1 Insert the hexagon wrench into the valve shaft and turn it counterclockwise 2 Stop turning when the valve shaft can no longer be turned Open position Closing 1 Insert the hexagon wrench into the valve shaft and turn it clockwise 2 Stop turning when the valve shaft can no longer be turned Closed position Opening direction Hexagon wrench Seal blank cap inst...

Page 10: ...urr on the edges to prevent snapping of cables It is recommended to apply rust proof paint on the edges to prevent rust Knockout holes are provided for wiring Fig A Knockout holes are provided 2 each in the same size in front lateral and rear sides Fig B Fig A Service panel Fig B Front connection Rear connection Lateral connection Selecting power supply cable and breaker 6 3 CAUTION Regulation of ...

Page 11: ...etwork Convertor etc 1 Fig Transmission line Outdoor unit Indoor unit System Controller Touch Panel Controller Terminal resistor When AB BC BD 500m Signal Amplifier is required A B C D 2 Fig Do not use loop wiring NOTE This may lead to parts damage and erroneous operation Outdoor unit Indoor unit Signal Amplifier System Controller Touch Panel Controller Transmission line Terminal resistor Terminal...

Page 12: ...re to connect to the terminal block 2 Securely clamp the crimp type terminals to the cables using an appropriate tool so that the cables do not come loose 3 Use the specified cables connect them securely and fasten them so that there is no stress placed on the terminals 4 Use an appropriate screwdriver to tighten the terminal screws Do not use a screwdriver that is too small otherwise the screw he...

Page 13: ... ON Outdoor unit operation peak control Input4 CN134 Red OFF Normal operation ON Batch stop or Emergency stop operation 2 3 Input5 CN135 Orange 4 No pulse No information from electricity meter Pulse Power usage information from electricity meter The operations of each input terminal and the selection of function are set with the push button on the PC board of outdoor unit About the setting please ...

Page 14: ...it printed circuit board DIP switch Terminating resistor setting 7 2 2 CAUTION Be sure to set the terminal resistor according to specifications Set the terminal resistor for every network segment NS If terminal resistor is set in multiple devices the overall communication system may be damaged If terminal resistor is not set in a device abnormal communication may occur Be sure to set 1 terminal re...

Page 15: ...rbidden 2 2 0 0 Factory default 23 Forbidden 2 3 0 0 Factory default 24 Forbidden 2 4 0 0 Factory default 25 Forbidden 2 5 0 0 Factory default 26 Forbidden 2 6 0 0 Factory default 27 Forbidden 2 7 0 0 Factory default 28 Forbidden 2 8 0 0 Factory default 29 Forbidden 2 9 0 0 Factory default 30 Outdoor unit capacity save setting Level 1 stop 3 0 0 0 The capacity limit can be selected by the external...

Page 16: ...play LED105 LED104 Flashing When F3 to F9 are displayed continue to press the SELECT button until F2 is displayed Use the MODE EXIT SELECT and ENTER buttons to configure settings according to the procedures below If no setting is made the factory default setting will be displayed Press the MODE EXIT button Press the SELECT button Press the ENTER button 2 Setting the first 2 digits 3 Setting the la...

Page 17: ...operating manual When setting with a remote control refer to the remote control operating manual Automatic setting Check that the wiring is as shown in the figure below Operate using the outdoor master unit of each refrigerant system Wiring example for automatic address setting Fig 1 Signal amplifier wiring example 2 3 4 Indoor unit wiring example Connect the indoor and outdoor units of the same r...

Page 18: ...re of nitrogen gas before blazing After completing the sealing test release the nitrogen gas from both valves Release the nitrogen gas slowly It may take about 10 minutes for completing the processing End 1 ４ ４ ﻸ ﻮ ﻮ ﻮ ﻮ ﻺ ﻶ First 2 digits Last 2 digits Press the SELECT button until 11 is displayed Press the ENTER button for more than 3 seconds Automatic address setting for indoor units The number...

Page 19: ...nt in the liquid state If the refrigerant cylinder is equipped with a siphon it is not necessary to place the cylinder upright Check if the steel cylinder has a siphon installed or not before filling There is an indication with siphon for filling liquid on the steel cylinder Filling method for cylinder with siphon Set the cylinder vertical and fill with the liquid Liquid can be filled without turn...

Page 20: ...Insulation Fig A TEST OPERATION 9 Indoor unit connection check 9 1 Normal operation will not be possible without performing the Indoor unit connection check Things to confirm before starting the Indoor unit 9 1 1 connection check To ensure safety check that the following work inspections and operations have been completed Check Item Check Column 1 Check that all work on the wiring connecting the o...

Page 21: ...gerant Is the refrigerant circuit address correct Is a breaker installed at the power supply cable of outdoor unit Are the cable connected to the terminals without looseness and in accordance with the specifications Are the initial settings of the switches of the outdoor unit correctly configured Is the 3 way valve of the outdoor unit open Gas pipe and liquid pipe Is power supplied to the crank ca...

Page 22: ...r 5 seconds Press the ENTER button for more than 3 seconds This will be displayed when the cooling operation mode is canceled This will be displayed after 5 seconds This will be displayed after 5 seconds This will be displayed when the heat ing operation mode is canceled Press the ENTER button for more than 3 seconds This will be displayed after 5 seconds Settings for stopping test run operation S...

Page 23: ...rror permanent stop E 8 6 1 Outdoor unit discharge pressure sensor error E 8 6 3 Outdoor unit suction pressure sensor error E 8 6 4 Outdoor unit high pressure switch 1 error Outdoor unit actuator error 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 synchro nization E 9 7 1 Outdoor unit fan motor 1 lock error...