Fujitsu R410A Installation Manual Download Page 1 | Manualshive

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AIR CONDITIONER

OUTDOOR UNIT

PART NO. 9374747115

INSTALLATION MANUAL

For authorized personnel only.

MANUEL D'INSTALLATION

Pour le personnel agréé uniquement.

MANUAL DE INSTALACIÓN

Solo para personal autorizado.

9374747115_IM_En.indd 1

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Summary of Contents for R410A

Page 1: ...TIONER OUTDOOR UNIT PART NO 9374747115 INSTALLATION MANUAL For authorized personnel only MANUEL D INSTALLATION Pour le personnel agréé uniquement MANUAL DE INSTALACIÓN Solo para personal autorizado 9374747115_IM_En indd 1 20 12 2553 8 58 37 ...

Page 2: ...ply refrigeration compressor oil or equivalent used for the outdoor unit to the matching surfaces of the flare and union tubes before connecting them then tighten the nut with a torque wrench for a leak free connection Check carefully for leaks before starting the test run NOTE Depending on the system type liquid and gas lines may be either narrow or wide Therefore to avoid confusion the refrigera...

Page 3: ...g than with refrigerant models Also when storing the piping securely seal the openings by pinching taping etc When charging the refrigerant take into account the slight change in the composition of the gas and liquid phases and always charge from the liquid phase side whose composition is stable Special tools for R410A 222222 Tool name Contents of change Gauge manifold Pressure is high and cannot ...

Page 4: ...of this product are shown in the table If the units are further apart than this correct operation cannot be guaranteed Total max length a b c d 70 m 230 ft 1 Max length for each indoor unit a b c or d 25 m 82 ft Max height difference between outdoor unit and each indoor unit H1 15 m 49 ft Max height difference between indoor units H2 10 m 33 ft Min length for each indoor unit a b c or d 5 m 16 ft ...

Page 5: ...the like to prevent their access Install the outdoor unit in a location that would not inconvenience your neighbors as they could be affected by the airflow coming out from the outlet noise or vibration If it must be installed in proximity to your neighbors be sure to obtain their approval If the outdoor unit is installed in a cold region that is affected by snow accumulation snow fall or freezing...

Page 6: ...ere it is very dusty 7 Do not install the unit where people pass 8 Install the outdoor unit in a place where it will be free from being dirty or getting wet by rain as much as possible 9 Install the unit where connection to the indoor unit is easy Single outdoor unit installation 333333333 When the upward area is open When there are obstacles at the back side 100 m m 4 in or m ore When there are o...

Page 7: ... a pipe cutter 2 Hold the pipe downward so that the cuttings will not enter the pipe and remove any burrs 3 Insert the flare nut always use the flare nut attached to the indoor and outdoor units respectively onto the pipe and perform the flare processing with a flare tool Leakage of refrigerant may result if other flare nuts are used 4 Protect the pipes by pinching them or with tape to prevent dus...

Page 8: ...of the specified capacity When selecting breaker please comply with the laws and the regulations of each country One breaker must be installed on the power supply of the outdoor unit Wrong selection and setup of the breaker will cause electric shock or fire Do not connect AC power supply to the transmission line terminal board Improper wiring can damage the entire system Connect the connector cord...

Page 9: ...the specified wires 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 heads may be damaged and prevent the screws from being properly tightened 5 Do not tighten the terminal screws too much otherwise the screws may break 6 See the tab...

Page 10: ...p to the specified pressure all at once but do so gradually 1 Increase the pressure up to 0 5 MPa 73 psi let it sit for about 5 minutes and then check for any decrease in pressure 2 Increase the pressure up to 1 5 MPa 218 psi let it sit for about 5 minutes and then check for any decrease in pressure 3 Increase the pressure up to the specified pressure the pressure designed for the product and then...

Page 11: ...e air conditioner do not mix gas other than the specified refrigerant R410A inside the refrigerant cycle When charging the refrigerant R410A always use an electronic balance for refrigerant charging to measure the refrigerant by weight When charging the refrigerant take into account the slight change in the composition of the gas and liquid phases and always charge from the liquid phase side whose...

Page 12: ...val and cleaning 3 Give the operating manual and installation instruction sheet to the customer TEST RUN 888 The test run method may be different for each indoor unit that is connected Refer to the installation instruction sheet included with each indoor unit CAUTION Always turn on the power 12 hours prior to the start of the operation in order to ensure compressor protection Make a test run in ac...

Page 13: ...9374747115_IM_En indd 12 20 12 2553 8 59 06 ...

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