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7

MULTI V

 

Modular Heat Pump

Product Data 

4. Electric Characteristics

̰

Wiring of Main Power Supply and Equipment Capacity

1. Use a separate power supply for the Outside Unit and Indoor Unit.
2. Bear in mind ambient conditions (ambient temperature,direct sunlight, rain liquid,etc.) when proceeding with the 

wiring and connections

3. The wire size is the minimum value for metal conduit wiring. The power cord size should be 1 rank thicker taking 

into account the line voltage drops. Make sure the power-supply voltage does not drop more than 10%.

4. Specific wiring requirements should adhere to the wiring regulations of the region.
5. Power supply cords of parts of appliances for outdoor use should not be lighter than polychloroprene sheathed 

flexible cord (design 60245 IEC57).

6. Don't install an individual switch or electrical outlet to disconnect each of indoor unit separately from the power 

supply.

WARNING

   

•

Follow ordinance of local regulation for technical standard related to electrical equipment, wiring 

regulations and guidance of each electric power company.

•

Make sure to use specified wires for connections so that no external force is imparted to terminal 

connections. If connections are not fixed firmly, it may cause heating or fire.

•

Make sure to use the appropriate type of overcurrent protection switch. Note that generated overcurrent 

may include some amount of direct current.

•

Some installation site may require attachment of an earth leakage breaker. If no earth leakage breaker 

is installed, it may cause an electric shock.

 

CAUTION

   

•

Do not use anything other than breaker and fuse with correct capacity. Using fuse and wire or copper 

wire with too large capacity may cause a malfunction of unit or fire.

 

̰

ARUN050LMC0

̰

ARUN050GME0

Model

Unit

Power Supply

COMP

OFM

Hz

Volts

Voltage-range

MCA TOCA MFA

MSC

RLA(Cooling) RLA(Heating)

kW

FLA

5 HP

50

380-415

Min.:342, Max.:456

12.1

13.0

20

4.5

7.0

8.0

-

-

Model

Unit

Power Supply

COMP

OFM

Hz

Volts

Voltage-range

MCA

MFA

MSC

RLA(Cooling) RLA(Heating)

kW

FLA

5 HP

50

220-240

Min:198, Max:264

7.50

15

-

-

-

0.40 × 2

3.0 × 2

Note

   

1. Voltage supplied to the unit terminals should be within the minimum and maximum 

range.

2. Maximum allowable voltage unbalance between phase is 2%.
3. MSC means the Max. current during the starting of compressor.
4. MSC and RLA are measured as the compressor only test condition.
5. OFM are measured as the outside unit test condition.
6. TOCA means the total over current value of each outside unit.
7. Select the wire size based on the larger value among MCA or TOCA.
8. MFA is used to select the circuit breaker and ground fault circuit interrupter, and 

recommended circuit breaker type is ELCB(Earth Leakage Circuit Breaker).

9. Select the electrical equipment of combination unit according to the electrical 

characteristics of individual unit.

Symbols

MCA : 

Minimum Circuit Amperes (A)

TOCA : 

Total Over Current Amperes (A)

MFA : 

Maximum Fuse Amperes (A)

MSC : 

Maximum Starting Current (A)

RLA : 

Rated Load Amperes (A)

OFM : 

Outside Fan Motor

kW : 

Fan Motor rated output (kW)

FLA : 

Full Load Amperes (A)

Содержание ARUN050GME0

Страница 1: ...Modular Heat Pump R410A 50Hz 5CVD0 01A P No MFL67474053 ...

Страница 2: ...MULTI V S Modular Heat Pump General information Product Data Installation Guide ...

Страница 3: ...General information MULTI V Modular Heat Pump 1 Model Line up External Appearance 2 Nomenclature ...

Страница 4: ...nformation 1 Model Line up External Appearance Nominal Capacity HP 5 Model Name Set ARUN050LMS0 Module ARUN050LMC0 ARUN050GME0 Remark Compressor Module Heat Exchanger Module Power Supply V Φ Hz 380 415 3 50 220 240 1 50 External Appearance ...

Страница 5: ...0A 2 Combination of Inverter Type and Cooling Only or Heat Pump N Inverter and H P V Inverter and C O 3 Total Cooling Capacity in Horse Power HP unit EX 5HP 050 8HP 080 4 Electrical Ratings L 3Ø 380 415V 50Hz 3Ø 380V 60Hz G 1Ø 220 240V 50Hz 1Ø 220V 60Hz 5 Outside Unit Type M Modular Type 6 Model Type S Set C Compressor Module E Heat Exchanger Module 7 Serial number ...

Страница 6: ...f Functions 2 Specifications 3 Dimensions 4 Electric Characteristics 5 Indoor Unit and Outside Unit Capacity Index 6 Capacity Tables 7 Capacity Correction Factor 8 Operation Limits 9 Piping Diagrams 10 Wiring Diagrams 11 Field Wiring 12 Sound Levels ...

Страница 7: ... CAC network function Network solution LGAP O Device ARUN050LMC0 Central Controller AC Ez Simple Controller PQCSZ250S0 AC Ez Touch PACEZA000 AC Smart IV PACS4B000 ACP Advanced Control Platform IV PQCPC22A0 AC Manager IV PACM4B000 ACS IO Module PEXPMB000 DO Digital Output Kit PQNFP00T0 BNU Building Network Unit ACP Lonworks PLNWKB000 ACP BACnet PQNFB17C0 Installation Refrigerant Charging Kit O Logi...

Страница 8: ...Rated dB A 45 45 Heating Rated dB A 45 45 Sound Power Level dB A Protection Devices High pressure protection High pressure sensor Compressor Fan Over heat protection Fan driver overload protector Inverter Over heat protection Over current protection Communication Cable VCTF No mm 2C 1 0 1 5 to IDU 2C 1 0 1 5 to Comp Module Note 1 Due to our policy of innovation some specifications may be changed w...

Страница 9: ...than 1 according to the operating conditions 4 Sound pressure level is measured on the rated condition in the anechoic rooms by ISO 3745 standard Sound power level is measured on the rated condition in the reverberation rooms by ISO 3741 standard Therefore these values can be increased owing to ambient conditions during operation 5 Performances are based on the following conditions Cooling Indoor ...

Страница 10: ...5 MULTI V Modular Heat Pump Product Data 3 Dimensions 3 1 Dimensional Drawings GG K4 Chassis ARUN050LMC0 ...

Страница 11: ...MULTI V Modular Heat Pump 3 Dimensions 6 Product Data GG B8 Chassis ARUN050GME0 ...

Страница 12: ...y require attachment of an earth leakage breaker If no earth leakage breaker is installed it may cause an electric shock CAUTION Do not use anything other than breaker and fuse with correct capacity Using fuse and wire or copper wire with too large capacity may cause a malfunction of unit or fire ARUN050LMC0 ARUN050GME0 Model Unit Power Supply COMP OFM Hz Volts Voltage range MCA TOCA MFA MSC RLA C...

Страница 13: ...apacity index with each Outside Unit It is recommended to be the nearest to 100 combination ratio or to be smaller than that Refer the table below To manage cooling heating load properly it s better to be selected the bigger capacity outside unit rather than the nearest if the installation space is large enough Allowable Total Capacity Index Table of Combined Indoor Units Capacity Index is same as...

Страница 14: ... 4 09 35 11 8 3 02 14 1 3 91 14 9 4 16 15 1 4 17 15 4 4 21 15 8 4 22 16 2 4 24 37 11 8 3 15 14 1 4 00 14 7 4 23 14 9 4 26 15 1 4 27 15 5 4 30 16 0 4 31 39 11 8 3 28 14 0 4 10 14 4 4 30 14 7 4 33 14 9 4 35 15 3 4 37 15 7 4 39 110 10 10 8 1 41 12 9 1 72 15 0 2 05 16 0 2 22 17 1 2 39 18 4 2 48 18 8 2 49 12 10 8 1 46 12 9 1 78 15 0 2 13 16 0 2 28 17 1 2 47 18 2 2 58 18 5 2 61 14 10 8 1 50 12 9 1 86 15...

Страница 15: ... 2 2 72 12 0 2 98 13 4 3 36 14 5 3 51 39 7 6 1 70 9 0 2 14 10 5 2 62 11 2 2 87 12 0 3 17 13 4 3 51 14 2 3 63 70 10 6 6 0 85 7 9 1 01 9 2 1 17 9 8 1 27 10 5 1 35 11 7 1 54 13 0 1 72 12 6 6 0 86 7 9 1 02 9 2 1 20 9 8 1 29 10 5 1 38 11 7 1 57 13 0 1 75 14 6 6 0 88 7 9 1 04 9 2 1 22 9 8 1 31 10 5 1 40 11 7 1 60 13 0 1 79 16 6 6 0 89 7 9 1 06 9 2 1 24 9 8 1 33 10 5 1 43 11 7 1 63 13 0 1 83 18 6 6 0 90 ...

Страница 16: ...29 21 4 7 0 67 5 7 0 79 6 6 0 90 7 0 0 97 7 5 1 03 8 4 1 16 9 3 1 30 23 4 7 0 69 5 7 0 80 6 6 0 92 7 0 0 98 7 5 1 05 8 4 1 18 9 3 1 33 25 4 7 0 69 5 7 0 81 6 6 0 94 7 0 1 00 7 5 1 08 8 4 1 24 9 3 1 42 27 4 7 0 71 5 7 0 84 6 6 0 99 7 0 1 07 7 5 1 15 8 4 1 33 9 3 1 51 29 4 7 0 75 5 7 0 89 6 6 1 05 7 0 1 14 7 5 1 22 8 4 1 41 9 3 1 60 31 4 7 0 79 5 7 0 94 6 6 1 12 7 0 1 20 7 5 1 30 8 4 1 50 9 3 1 71 3...

Страница 17: ...2 15 4 6 88 15 4 6 67 15 4 6 41 15 3 6 24 8 5 9 1 15 8 7 16 15 8 6 99 15 7 6 75 15 7 6 55 15 7 6 31 15 6 6 14 7 7 6 16 3 6 96 16 3 6 79 16 2 6 57 16 2 6 38 16 2 6 15 16 0 6 00 5 5 6 16 8 6 69 16 8 6 52 16 7 6 32 16 7 6 14 16 7 5 95 16 6 5 80 3 3 7 17 4 6 42 17 4 6 26 17 3 6 07 17 3 5 91 17 3 5 74 17 0 5 60 0 0 7 18 3 6 02 18 3 5 86 18 2 5 70 18 2 5 56 18 2 5 43 17 0 5 31 3 2 2 19 2 5 61 19 2 5 47 ...

Страница 18: ...3 15 6 5 74 14 6 5 55 14 2 5 43 13 7 5 26 12 8 4 99 5 5 6 16 5 5 76 15 6 5 50 14 6 5 32 14 2 5 19 13 7 5 03 12 8 4 77 3 3 7 16 5 5 50 15 6 5 25 14 6 5 08 14 2 4 96 13 7 4 80 12 8 4 55 0 0 7 16 5 5 09 15 6 4 88 14 6 4 73 14 2 4 60 13 7 4 46 12 8 4 22 3 2 2 16 5 4 69 15 6 4 51 14 6 4 38 14 2 4 25 13 7 4 12 12 8 3 90 5 4 1 16 5 4 42 15 6 4 27 14 6 4 15 14 2 4 01 13 7 3 89 12 8 3 68 7 6 16 5 4 15 15 6...

Страница 19: ...9 6 4 50 9 2 4 26 8 9 4 04 8 3 3 81 9 8 11 10 8 4 73 10 2 4 52 9 6 4 28 9 2 4 06 8 9 3 85 8 3 3 63 9 5 10 10 8 4 69 10 2 4 48 9 6 4 24 9 2 4 03 8 9 3 82 8 3 3 60 8 5 9 1 10 8 4 57 10 2 4 37 9 6 4 13 9 2 3 93 8 9 3 73 8 3 3 51 7 7 6 10 8 4 40 10 2 4 19 9 6 3 97 9 2 3 77 8 9 3 58 8 3 3 37 5 5 6 10 8 4 16 10 2 3 96 9 6 3 75 9 2 3 57 8 9 3 39 8 3 3 19 3 3 7 10 8 3 92 10 2 3 72 9 6 3 53 9 2 3 36 8 9 3 ...

Страница 20: ...0 93 0 90 0 89 0 89 0 86 0 86 7 5 10 20 30 40 50 60 70 80 90 100 105 1 00 0 99 0 98 0 97 0 94 0 93 0 93 0 90 0 89 0 89 0 86 0 85 1 00 0 99 0 98 0 97 0 94 0 93 0 93 0 90 0 89 0 89 0 86 0 85 0 99 0 98 0 98 0 94 0 93 0 93 0 90 0 89 0 89 0 86 0 85 0 98 0 94 0 94 0 93 0 90 0 89 0 89 0 87 0 86 0 95 0 94 0 93 0 90 0 9 0 89 0 87 0 86 30 20 10 7 5 0 0 0 7 5 10 20 30 HU m HL m L m 1 0 1 0 0 10 20 30 0 10 20...

Страница 21: ...sed Liquid and Gas pipes are increased Refer to the table Refrigerant pipe diameter from outside unit to first branch in the Installation of outside units part 7 Read cooling heating capacity rate of change in the above figures based on the following equivalent length Overall equivalent length L1 L2 CF L3 L1 Equivalent length of main pipe from Heat Exchanger Module to Compressor Module L2 Equivale...

Страница 22: ...or frost accumulation C A B x C Correction factor for finding integrated Heating capacity Normal Defrost Operation Please note that there will be temporary reduction in capacity when snow piles up on the outside surface of the heat exchanger Of course it will be different in degree depending on a number of other factors for example the outdoor temperature CDB the relative humidity RH and the frost...

Страница 23: ...or Compressor and Heat Exchanger Module Surrounding air temperature 5 35 DB Surrounding air humidity Cooling 80 Heating 50 G G G G G G G G G G G G G G G G G G G 10 C 45 C 40 C 35 C 30 C 25 C 20 C 15 C 10 C 5 C 0 C 5 C 10 C 14 C 15 C 20 C 25 C 27 C 30 C Cooling Outdoor Temperature C DB Range for continuous operation Range for pull down operation 43 C Indoor Temperature C WB 20 C 15 C 10 C 5 C 0 C 5...

Страница 24: ...int Remarks Compressor Module Heat exchanger Module Inverter Comp ressor Liquid Pipe Gas Pipe High Temp High Pressure Gas High Temp High Pressure Liquid Low Temp Low Pressure Gas 4 Way Valve High Pressure Sensor Air Temp Oil Seperator Low Pressure Sensor Suction Temp Sensor Sub Cooling Circuit Outlet Temp Sensor SC EEV Liquid Pipe Temp sensor Hex Temp 2 Hex Temp 1 Fan M Fan M Accum EEV EEV Service...

Страница 25: ...id Pipe Gas Pipe High Temp High Pressure Gas High Temp High Pressure Liquid Low Temp Low Pressure Gas 4 Way Valve Air Temp SC EEV Liquid Pipe Temp sensor Fan M Fan M EEV EEV Inverter Comp ressor High Pressure Sensor Oil Seperator Low Pressure Sensor Suction Temp Sensor Sub Cooling Circuit Outlet Temp Sensor Hex Temp 2 Hex Temp 1 Accum Service Port Discharge Temp sensor Pressure Sensor Temperature ...

Страница 26: ...re Joint Remarks Compressor Module Heat exchanger Module Inverter Comp ressor Liquid Pipe Gas Pipe High Temp High Pressure Gas High Temp High Pressure Liquid Low Temp Low Pressure Gas 4 Way Valve High Pressure Sensor Air Temp Oil Seperator Low Pressure Sensor Suction Temp Sensor Sub Cooling Circuit Outlet Temp Sensor SC EEV Liquid Pipe Temp sensor Hex Temp 2 Hex Temp 1 Fan M Fan M Accum EEV EEV Se...

Страница 27: ...22 MULTI V Modular Heat Pump Product Data 10 Wiring Diagrams ARUN050LMC0 ARUN050GME0 ...

Страница 28: ... circuit locally Running the product in reversed phase may break the compressor and other parts The GND terminal at the main PCB is a terminal for dry contact it is not the point to make ground connection R S T N Switch Fuse L N Communication cable 2 wire Cable Power cable 4 wire Cable Communication cable 3 wire Cable Power cable 2 wire Cable Power cable 2 wire Cable Power cable 2 wire Cable Power...

Страница 29: ...ple Connection of Communication Cable BUS type Connection of communication cable must be installed like below figure STAR type Abnormal operation can be caused by communication defect when connection of communication cable is installed like below figure STAR type ...

Страница 30: ...e of factors such as the construction acoustic absorption coefficient of particular room in which the equipment in installed Model Sound Pressure Levels dB A Cooling Heating ARUN050LMC0 45 45 ARUN050GME0 45 45 ARUN050LMC0 ARUN050GME0 1 0m 1 5m Microphone Measuring place Anechoic chamber 1 5m 2m 2m DUCT DISCHARGE SUCTION DUCT Measuring place Anechoic chamber 10 15 20 25 30 35 40 45 50 55 60 65 70 7...

Страница 31: ...dular Heat Pump 1 Alternative Refrigerant R410A 2 Select the Best Location 3 Installation Space 4 Module Installation 5 Refrigerant Piping Installation 6 Refrigerant Piping System 7 Electrical Wiring 8 Caution For Refrigerant Leaks ...

Страница 32: ... the piping should comply with the relevant local and national regulations for the designed pressure 3 8MPa Since R410A is a mixed refrigerant the required additional refrigerant must be charged in its liquid state If the refrigerant is charged in its gaseous state its composition changes and the system will not work properly Do not place the refrigerant container under the direct rays of the sun ...

Страница 33: ...e acidic solution and spray sulfur are often used Do not use unit under any special environment where oil steam and sulfuric gas exist It is recommended to fence round the unit in order to prevent any person or animal from accessing the unit There should not be any heat source or steam near the unit Avoid the following installation location 1 Such places as restaurants and kitchen where considerab...

Страница 34: ... gases such as acid or alkaline gas are produced 2 Do not install the product where it could be exposed to sea wind salty wind directly It can result corrosion on the product Corrosion particularly on the condenser and evaporator fins could cause product malfunction or inefficient performance 3 If outside or indoor unit is installed close to the seaside it should avoid direct exposure to the sea w...

Страница 35: ... Space for Compressor Module Installation Space for Heat Exchanger Module Category Mark Description Installation Space mm Compressor Module a Right 10 or more b Left 10 or more c Rear 10 or more d Front 500 or more e Top 200 or more a b c d e Service Space Front Side Front side Top View Front View Unit mm Unit mm 600 or more 70 or more H 100 or more Top View Front View 10 or more Air discharge Air...

Страница 36: ... module The compressor module supports at the bottom shall have width of at least 100mm under the Unit s legs before being fixed The compressor module supports should have minimum height of 200mm Anchor bolts must be inserted at least 75mm Important For location of the Anchor bolts refer to the dimensional drawings of each unit on Product data Atleast100mm Atleast100mm Atleast100mm For outdoor uni...

Страница 37: ...owing out of the outdoor unit in operation and the passages of the pipe and wiring when making the ground support CAUTION In case of on the floor you should not have to fix the compressormodule with anchor bolts In case of on the structure you can fix the Compressor module securely use anchor bolts nuts and washers to the structure The foundation must be larger than the image If noise vibration oc...

Страница 38: ...to the suspension bolts for locking the suspension bolts on the ceiling Mount the suspension bolts to the set anchor firmly Secure the installation plates onto the suspension bolts adjust level roughly using nuts washers and spring washers 5 In case of ducted type unit apply a joint canvas between the unit and duct to absorb unnecessary vibration The following parts are local purchasing 1 Hanging ...

Страница 39: ...t water from flowing into the Heat exchanger module make sure the ductiong has slopes down Protect the ducting against reverse airflow from wind If the suction ducting or discharge ducting is connected with the inside air it might be impossible to reach the desired room temperature Connect suction ducting and discharge ducting with the outside air ...

Страница 40: ...k the pipe knock outs of the front and side panels after installing the pipes Animals or foreign objects may be brought in to damage wires Pipe connection is done by connecting from the end of the pipe to the branching pipes and the refrigerant pipe coming out of the outdoor unit is divided at the end to connect to each indoor unit Flare connection for the indoor unit and welding connection for th...

Страница 41: ...ion than the header Y branch method ཿ Compressor Module ྀ Heat Exchanger Module ཱྀ 1st branch Y branch Indoor Units Combination of Y branch header ཿ Compressor Module ྀ Heat Exchanger Module ཱྀ 1st branch Y branch Y branch Indoor Units Header Sealed piping Header method ཿ Compressor Module ྀ Heat Exchanger Module Header Sealed piping d ℓ 40 m h 15m H2 30m L2 70 m Indoor Unit A B C D E e e a c e e e ...

Страница 42: ...Combination of Y branch header Header only Max pipe length Longest pipe length Heat Exchanger Module Compressor Module L1 A 30 m A 30 m A 30 m Longest pipe length Compressor Module Indoor Unit L2 B C D E e 70 m B C b 70 m B D e 70 m B f 70 m Longest pipe equivalent length Compressor Module Indoor Unit L2 90 m 90 m 90 m Longest pipe length after 1st branch 40 m 40 m 40 m Total pipe length A B C D E...

Страница 43: ...id pipe mm inch Gas pipe mm inch 5 6 19 100 Ø6 35 1 4 Ø12 7 1 2 16 0 54 600 Ø9 52 3 8 Ø15 88 5 8 Bending radius should be at least twice the diameter of the pipe Bend pipe after 500mm or more from branch or header Do not bend U type It may cause Performance unsatisfactory or noise Additional charge kg L1 m Total length of liquid pipe with Ø12 7mm 0 118 kg m Important Check the Total length between...

Страница 44: ... 70 a a I D12 7 O D9 52 I D6 35 I D9 52 I D 9 52 I D 6 35 I D9 52 I D 6 35 292 281 74 70 a a I D25 4 413 390 83 I D15 88 I D19 05 I D12 7 I D12 7 I D19 05 I D15 88 I D19 05 I D22 2 I D28 58 O D25 4 I D22 2 O D19 05 O D19 05 I D22 2 I D25 4 70 80 110 a b c c a b I D9 52 I D12 7 5 3 6 D I 2 5 9 D I I D9 52 I D12 7 I D6 35 I D12 7 332 321 74 120 150 360 120 ID15 88 ID12 7 ID12 7 ID15 88 ID15 88 ID19 ...

Страница 45: ...lectrical part box of Indoor and Outdoor Units because the box is sometimes removed at the time of service work 5 Never connect the main power source to terminal block of communication line If connected electrical parts will be burnt out 6 Use 2 core shield cable for communication line mark in the figure below If communication lines of different systems are wired with the same multiplecore cable t...

Страница 46: ...ng with a missing N phase or with a mistaken N phase will break the equipment Precautions when laying power wiring Use round pressure terminals for connections to the power terminal block When none are available follow the instructions below Do not connect wiring of different thicknesses to the power terminal block Slack in the power wiring may cause abnormal heat When connecting wiring which is t...

Страница 47: ... be recalculated in direct proportion to the additional length of line involved If the power supply waveform continues to exhibit some distortion the recommended spacing in the table should be increased If the cable are laid inside conduits then the following point must also be taken into account when grouping various cable together for introduction into the conduits Power cable including power su...

Страница 48: ...nds after applying the power This number represents the setting condition Initial display order Example ARUN100LSS0 Note 1 Example of model names could be different with model names included within this PDB 2 In accordance with the number of combined outdoor unit or target region it could not be applied to set the order ྛ ྜ CAUTION Product may not properly operate if the relevant DIP switch is not...

Страница 49: ...d are indicated for 30 seconds on 7 segment LED of the outdoor unit PCB 6 After completing addressing address of each indoor unit is indicated on the wired remote control display window CH01 CH02 CH03 CH06 Indicated as numbers of connected indoor units Main PCB CAUTION In replacement of the indoor unit PCB always perform Auto addressing setting again At that time please check about using Independe...

Страница 50: ...d on wired remote control or indoor unit display window It is not an error message will disappeared when on off button is pressed on remote control ex Display of 01 02 15 means connection of 15 indoor units and auto addressing is completed normally Auto addressing start Waiting 3 minutes Power On Press RED Button for 5 sec SW01C 7 segment LED 88 Waiting about 2 7 minutes 7 segment LED OK YES NO Ch...

Страница 51: ...n High Static Pressure Mode use the other function Func Fn13 For detail information refer to the INSTALLATION MANUAL or SERVICE MANUAL Category Function Mode Option External Static Pressure Content Seleting Vaule Content Seleting Vaule Content Seleting Vaule Content Seleting Vaule Installation Static pressure compensation Selecting operating mode cooL hEAt Selecting the installed requirement accor...

Страница 52: ...ll the replenished refrigerant kg per each refrigerant system Note In case one refrigerant facility is divided into 2 or more refrigerant systems and each system is independent amount of replenished refrigerant of each system shall be adopted Limiting concentration is the limit of Freon gas concentration where immediate measures can be taken without hurting human body when refrigerant leaks in the...

Страница 53: ...ation Provide 0 15 or more opening to floor space both above and below door or provide opening without door Counter measure 2 Provide gas leak alarm linked with mechanical ventilator Reducing the outdoor refrigerant qty Total amount of replenished refrigerant in refrigerant facility kg Refrigerant concentration In case the result of calculation exceeds the limiting concentration perform the same c...

Страница 54: ...stallation Guide CAUTION Pay a special attention to the place such as a basement etc where refrigerant can stay since refrigerant is heavier than air Countermeasure 2 Gas leak alarm Mechanical ventilator Countermeasure 1 Opening effective to ventilation Indoor unit ...

Страница 55: ... Electronics Inc All Rights Reserved Printed in Korea February 2018 The air conditioners manufactured by LG have received ISO9001 certificate for quality assurance and ISO14001 certificate for environmental management system The specifications designs and information in this brochure are subject to change without notice ...

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