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Outdoor Unit

Installation Manual

1

Precautions for safety

The manufacturer shall not assume any liability for the damage caused by not observing the 
description of this manual.
Be sure to read this installation manual carefully before installing.
The supplied CD-ROM contains the installation manual translated into many languages.
Recommend to the owner to perform maintenance periodically when using over long periods 
of time.
This appliance can be used by children aged from 8 years and above and persons with 
reduced physical, sensory or mental capabilities or lack of experience and knowledge if they 
have been given supervision or instruction concerning use of the appliance in a safe way and 
understand the hazards involved.

Children shall not play with the appliance. Cleaning and user maintenance shall not be made 
by children without supervision.

Read the precautions in this manual 
carefully before operating the unit.

This appliance is 

fi

 lled with R32.

Be sure to follow the precautions provided here to avoid safety risks. The symbols and their 
meanings are shown below.

DANGER

It indicates that incorrect use of this unit can result in a high possibility of 
severe injury(*1) or death.

WARNING

It indicates that incorrect use of this unit may cause severe injury or 
death.

CAUTION

It indicates that incorrect use of this unit may cause personal injury(*2), 
or property damage(*3).

*1:  A severe injury refers to blindness, injury, burns (hot or cold), electrical shock, bone 

fracture, or poisoning that leaves after effects and requires hospitalization or extended 
out-patient treatment.

*2:  Personal injury means a slight accident, burn, or electrical shock which does not 

require admission or repeated hospital treatment.

*3:  Property damage means greater damage which affects assets or resources.

For general public use

Power supply cord of parts of appliance for outdoor use shall be at least polychloroprene 
sheathed 

fl

 exible cord (design H07RN-F) or cord designation 60245 IEC66 (1.5 mm² or 

more). (Shall be installed in accordance with national wiring regulations.)
This appliance is not intended for use by person (including children) with reduced physical, 
sensory or mental capabilities, or lack of experience and knowledge, unless they have been 
given supervision or instruction concerning use of the appliance by a person responsible for 
their safety.
Children should be supervised to ensure that they do not play with the appliance.

Содержание 13340

Страница 1: ...oor Unit AIR CONDITIONER MULTI SPLIT TYPE Model name RAS 2M10U2AVG E RAS 2M14U2AVG E RAS 2M18U2AVG E RAS 3M18U2AVG E NOTE Descriptions about operations for the 3 indoor units in this manual are not applicable to RAS 2M10U2AVG E RAS 2M14U2AVG E and RAS 2M18U2AVG E R32 ...

Страница 2: ...9 Test run 12 10 Pump down Operation 14 11 Troubleshooting 14 12 Appendix 15 Please read this Installation Manual carefully before installing the Air Conditioner This Manual describes the installation method of the outdoor unit For installation of the indoor unit refer to the Installation Manual attached to the indoor unit IMPORTANT NOTICE For details on how to install the indoor units refer to th...

Страница 3: ...cates that incorrect use of this unit can result in a high possibility of severe injury 1 or death WARNING It indicates that incorrect use of this unit may cause severe injury or death CAUTION It indicates that incorrect use of this unit may cause personal injury 2 or property damage 3 1 A severe injury refers to blindness injury burns hot or cold electrical shock bone fracture or poisoning that l...

Страница 4: ... WELL AS THE ADOPTION OF THIS NEW REFRIGERANT REFRIGERATING MACHINE OIL HAS ALSO BEEN CHANGED THEREFORE DURING INSTALLATION WORK BE SURE THAT WATER DUST FORMER REFRIGERANT OR REFRIGERATING MACHINE OIL DOES NOT ENTER THE REFRIGERATION CYCLE OF A NEW REFRIGERANT AIR CONDITIONER TO AVOID MIXING REFRIGERANT AND REFRIGERATING MACHINE OIL THE SIZES OF CHARGING PORT CONNECTING SECTIONS ON THE MAIN UNIT A...

Страница 5: ...TING THE INDOOR UNIT AND CAUSING A FIRE HAZARD PLACE THE UNIT WELL AWAY MORE THAN 2 M FROM HEAT SOURCES SUCH AS RADIATORS HEATERS FURNACE STOVES ETC WHEN MOVING THE AIR CONDITIONER FOR INSTALLING IT IN ANOTHER PLACE AGAIN BE VERY CAREFUL NOT TO GET THE SPECIFIED REFRIGERANT R32 WITH ANY OTHER GASEOUS BODY INTO THE REFRIGERATION CYCLE IF AIR OR ANY OTHER GAS IS MIXED IN THE REFRIGERANT THE GAS PRES...

Страница 6: ...d the manual A dedicated circuit and the rated voltage must be used Insufficient power supply or improper installation may cause electrical shock or fire Use a cabtyre cable to connect wires in the indoor outdoor units Midway connection stranded wire and single wire connections are not allowed Improper connection or fixing may cause a fire Wiring between the indoor unit and outdoor units must be w...

Страница 7: ...st or injury Do not modify the power cable connect the cable midway or use a multiple outlet extension cable Doing so may cause contact failure insulation failure or excess current resulting in fire or electrical shock If you detect any damage do not install the unit Contact your supplying dealer immediately Never modify this unit by removing any of the safety guards or bypassing any of the safety...

Страница 8: ... for installation work Failure to do so may cause personal injury when handling parts with sharp edges Do not touch the air intake section or the aluminium fins of the outdoor unit It may cause injury Do not install the outdoor unit in a place which can be a nest for small animals Small animals could enter and contact internal electrical parts causing a failure or fire Request the user to keep the...

Страница 9: ...s other than the above the safety protection functions may be activated Example of indoor unit class RAS B10UFV E1 is abbreviated as 10 Indoor unit class Standard connecting pipe diameter RAS 2M10U2AVG E RAS 2M14U2AVG E RAS 2M18U2AVG E RAS 3M18U2AVG E Unit C 07 or 10 or 13 6 35 9 52 mm Unit B 07 or 10 or 13 or 16 6 35 9 52 mm 6 35 9 52 mm 6 35 9 52 mm 3 6 35 9 52 mm 3 Unit A 07 or 10 or 13 or 16 6...

Страница 10: ...if outdoor work is difficult you can change the procedure For example by making adjustments to the wiring and piping lengths on the inside rather than the outside When using an air conditioner under low outside temperature conditions Outside temp 5 C or lower In COOL mode prepare a duct or wind shield so that it is not affected by the wind Necessary Space for Installation If you need to install th...

Страница 11: ... Do not remove the flare nuts for any ports you are not going to use for connection Do not leave the flare nut unattached for a long period of time Use a different diameter joint if the diameters of the connection port and connection piping are different Mount the different diameter joint on the connection port of the outdoor unit CAUTION KEEP IMPORTANT 6 POINTS FOR PIPING WORK 1 Take away dust an...

Страница 12: ...ffect the terminals If wiring connections are incomplete or cables are not fixed securely it may cause a fire Be sure to ground the outdoor unit Incomplete grounding may lead to an electric shock 3 Close the Handle Low of the gauge manifold valve fully then stop operating the vacuum pump Leave the gauge and pump as they are for 1 or 2 minutes then make sure that the compound pressure gauge reading...

Страница 13: ...for the power source and each indoor unit Connect the connecting cable to the terminal as identified by the matching numbers on the terminal block of the indoor and the outdoor unit 5 Fix the wiring connections for the power source and each indoor unit securely using a cord clamp 6 Attach the terminal cover and the valve cover Stripping Length of connecting cable for outdoor unit 55 5 5 30 1 2 3 5...

Страница 14: ... or less Also there is a possibility to misjudge if the indoor temperature becomes too low by cooling operation In that case execute the cooling operation for per room and check if the connection is normal Gas Leak Inspection Refer to the Gas Leak Inspection on page 11 Test run 1 If you perform the test run in summer start running in the cooling mode first to decrease the temperature of the room t...

Страница 15: ...he service valve at the liquid end 9 Make sure that the compound pressure gauge reading is 101 kPa 76 cmHg 10 Close the valve stem of the service valve at the gas end 11 The refrigerants collection operation is finished in maximum 10 minutes After the collection is finished promptly stop the operation of all the indoor unit There are cases that the compressor restarts 12 When you want to start ove...

Страница 16: ...ture of foreign matter is observed trouble will occur 8 When temporary installation and removal of the air conditioner are repeated such as when leased etc 9 If the type of refrigerator oil of the existing air conditioner is other than the following oil Mineral oil Suniso Freol S MS Synthetic oil alkyl benzene HAB Barrel freeze ester series PVE only of ether series The winding insulation of the co...

Страница 17: ......

Страница 18: ...144 9 Moo 5 Bangkadi Industrial Park Tivanon Road Tambol Bangkadi Amphur Muang Pathumthani 12000 Thailand 1116691098 ...

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