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AIR CONDITIONER

OUTDOOR UNIT

PART NO. 9374747122

INSTALLATION MANUAL

For authorized personnel only.

MANUEL D'INSTALLATION

Pour le personnel agréé uniquement.

MANUAL DE INSTALACIÓN

Solo para personal autorizado.

9374747122_IM_En.indd 1

20/12/2553 13:09:04

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Содержание AIR CONDITIONER

Страница 1: ...TIONER OUTDOOR UNIT PART NO 9374747122 INSTALLATION MANUAL For authorized personnel only MANUEL D INSTALLATION Pour le personnel agréé uniquement MANUAL DE INSTALACIÓN Solo para personal autorizado 9374747122_IM_En indd 1 20 12 2553 13 09 04 ...

Страница 2: ...ly 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 refrigeran...

Страница 3: ... water etc does not enter the piping 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 ma...

Страница 4: ...capacity type 222222222 CAUTION The total capacity of the indoor units connected must be between 14 000 and 27 000 BTU Connection patterns are restricted Normal operation is not guaranteed if connected pattern in the combination not listed below The product may be damaged Surely connect in accordance with the combination in the following connection pattern To install an indoor unit refer to the in...

Страница 5: ...ng is neces sary For more information refer to 6 2 Additional charging Selecting pipe sizes 222222222 The diameters of the connection pipes differ according to the capacity of the indoor unit Refer to the following table for the proper diameters of the connection pipes between the indoor and outdoor units Capacity of indoor unit Gas pipe size thickness mm in Liquid pipe size thickness mm in 7 12 ø...

Страница 6: ...topple or fall or other accidents Do not install the outdoor unit near the edge of a balcony Otherwise children may climb onto the outdoor unit and fall off of the balcony CAUTION Do not install the outdoor unit in the following areas Area with high salt content such as at the seaside It will deteriorate metal parts causing the parts to fail or the unit to leak water Area filled with mineral oil o...

Страница 7: ...pipes Secure the unit to a solid block using foundation bolts Use 4 sets of commercially available M10 bolts nuts and washers The bolts should protrude 20 mm 0 78 in Refer to the figure If overturning prevention is required purchase the necessary commercially available items Unit mm in 650 25 19 32 370 14 9 16 Bottom side 4 ø12 1 15 32 hole Fix securely with bolts on a solid block Use 4 sets of co...

Страница 8: ...er and flare tool exclusive for R410A 1 Cut the connection pipe to the necessary length with 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 i...

Страница 9: ...ngth may lead to erroneous operation The static electricity that is charged to the human body can damage the control PC Board when handling the control PC Board for address setting etc Please keep caution to the following points Provide the grounding of Indoor unit Outdoor unit and Option equipment Cut off the power supply breaker Touch the metal section such as the unpainted control box section o...

Страница 10: ... UNIT A DISCONNECT SWITCH FIELD SUPPLY DISCONNECT SWITCH FIELD SUPPLY WARNING Disconnect switch and for over current protection given in the table below is to be installed between the indoor unit and the outdoor unit Disconnect switch 15A CAUTION Be sure to refer the above diagram and do correct field wiring Wrong wiring causes malfunction of the unit Check local electrical codes and also any spec...

Страница 11: ...ps and charging port cap of the 2 way valve and 3 way valve to the specified torque Checking gas leaks with nitrogen gas Check if the piping connections are secure Remove the cap of 3 way valve and connect the gauge manifold charge hoses to the charging port of the 3 way valve Pressurize with nitrogen gas using the 3 way valve charging port Do not pressurize up to the specified pressure all at onc...

Страница 12: ...ng 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 Gas Liquid R410A Add refrigerant from the charging valve after the completion of the work If the units are further apart than the maximum pipe length correct operation cannot be guaranteed POWER 777 WARNING The rated voltage...

Страница 13: ...D2 LED1 Hole LED is on a reverse side of the board Confirming the operation of indoor unit 888888 Run the unit in a normal way and confirm its operation Please end the test run first before confirmation 1 Cold air or warm air must be discharged from the indoor unit 2 The indoor unit operates normally when air direction or air volume adjustment buttons pressed PUMP DOWN 999 PUMP DOWN OPERATION To a...

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