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Installation Manual
Outdoor Unit

English

Installation Manual

Outdoor 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

Содержание RAS-2M10U2AVG-E

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 13 10 Pump down Operation 15 11 Troubleshooting 15 12 Appendix 16 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: ...t type is R32 this unit uses a flammable refrigerant If refrigerant leaks and comes in contact with fire or heating part it will create harmful gas and there is risk of fire Read the OWNER S MANUAL carefully before operation Service personnel are required to carefully read the OWNER S MANUAL and INSTALLATION MANUAL before operation Further information is available in the OWNER S MANUAL INSTALLATIO...

Страница 4: ... NEW REFRIGERANT AIR CONDITIONER INSTALLATION THIS AIR CONDITIONER USES THE NEW HFC REFRIGERANT R32 WHICH DOES NOT DESTROY THE OZONE LAYER R32 REFRIGERANT IS APT TO BE AFFECTED BY IMPURITIES SUCH AS WATER OXIDIZING MEMBRANES AND OILS BECAUSE THE PRESSURE OF R32 REFRIGERANT IS APPROX 1 6 TIMES OF REFRIGERANT R22 AS WELL AS THE ADOPTION OF THIS NEW REFRIGERANT REFRIGERATING MACHINE OIL HAS ALSO BEEN...

Страница 5: ...OR 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 PRESSURE IN THE R...

Страница 6: ...rant inside the unit is flammable If the refrigerant leaks in the room and comes in contact with fire from a burner a heater or a cooker it may result in fire or the formation of a harmful gas Turn off any combustible heating devices ventilate the room and contact the dealer from which you purchased the unit Do not use the unit until a service person confirms that the portion from which the refrig...

Страница 7: ...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 8: ...on 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 interlock switches Do not wash air conditioners with pressure washers Electric leaks may cause electric shocks or fires Be sure to comply with local re...

Страница 9: ...s 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 th...

Страница 10: ...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 35 9 52 mm 6...

Страница 11: ... 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 t...

Страница 12: ...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 and moisture inside of the connecting pipes 2 Tighten the connections between pipes and unit 3 Evacuate the air in the connecting pipes using a V...

Страница 13: ... the fixed wiring 4 Disconnect the charge hose from the service port then open the valve stem fully using a 4 mm hexagon wrench Hexagon wrench is required Service port cap 4 mm Valve stem cap 5 Tighten the service valve stem cap and service port cap securely CAUTION Use a torque wrench and tighten the nut at the specified torque value 6 Tighten all the caps on the valves securely then perform a ga...

Страница 14: ...fied 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 L 2 3 5 5 30 55 L N Earth screw Earth screw Power cord Connecting cable Unit A Earth screw Earth scre...

Страница 15: ... 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 12 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 16: ...lve 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 over the operati...

Страница 17: ...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 18: ...144 9 Moo 5 Bangkadi Industrial Park Tivanon Road Tambol Bangkadi Amphur Muang Pathumthani 12000 Thailand 1116691098 1 ...

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