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INSTALLATION MANUAL

AIR CONDITIONER

• Please read this installation manual completely before installing the product.
• Installation work must be performed in accordance with the national
wiring standards by authorized personnel only.
• Please retain this installation manual for future reference after reading
it thoroughly.your set and retain it for future reference.

P/NO : MFL68100313

ENGLISH

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Содержание ARWB080LAS4

Страница 1: ...fore installing the product Installation work must be performed in accordance with the national wiring standards by authorized personnel only Please retain this installation manual for future reference after reading it thoroughly your set and retain it for future reference P NO MFL68100313 ENGLISH ...

Страница 2: ...ified on the unit If a different refrigerant or air is mixed with the original refrigerant the refrigerant cycle may malfunction and the unit may be damaged Do not reconstruct to change the settings of the protection devices If the pressure switch thermal switch or other protection device is shorted and operated forcibly or parts other than those specified by LGE are used fire or explosion may res...

Страница 3: ...rtation Only one person should not carry the product if it weighs more than 20 kg Some products use PP bands for packaging Do not use any PP bands for a means of transportation It is dangerous Do not touch the heat exchanger fins Doing so may cut your fingers When transporting the outside unit suspending it at the specified positions on the unit base Also support the outside unit at four points so...

Страница 4: ...x 1 Dimensions WxHxD mm 755 997 500 755 997 500 755 997 500 inch 29 23 32x39 1 4x19 11 16 x1 29 23 32 x 39 1 4 x 19 11 16 x 1 29 23 32 x 39 1 4 x 19 11 16 x 1 Refrigerant Connecting Pipes LiquidPipes mm inch 9 52 3 8 9 52 3 8 12 7 1 2 LowPressure GasPipes mm inch 22 7 7 8 22 7 7 8 25 4 1 HighPressure GasPipes mm inch 19 05 3 4 19 05 3 4 19 05 3 4 Water Connect ing Pipes Inlet mm PT40 Internal thre...

Страница 5: ...0LAS4 ARWB120LAS4 3 0 5 8 5 8 3 0 5 8 5 8 3 0 5 8 5 8 64 64 64 140 x 1 127 x 2 140 x 1 127 x 2 140 x 1 127 x 2 309 x 1 280 x 2 309 x 1 280 x 2 309 x 1 280 x 2 755 997 500 x 3 755 997 500 x 3 755 997 500 x 3 29 23 32 x 39 1 4 x 19 11 16 x 3 29 23 32 x 39 1 4 x 19 11 16 x 3 29 23 32 x 39 1 4 x 19 11 16 x 3 19 05 3 4 19 05 3 4 19 05 3 4 41 3 1 5 8 41 3 1 5 8 41 3 1 5 8 34 9 1 3 8 34 9 1 3 8 34 9 1 3 ...

Страница 6: ... 8 53 98 2 1 8 53 98 2 1 8 44 5 1 3 4 44 5 1 3 4 44 5 1 3 4 PT40 Internal thread PT40 Internal thread PT40 Internal thread PT40 Internal thread PT40 Internal thread PT40 Internal thread PT20 External thread PT20 External thread PT20 External thread 10 C 45 C 50 F 116 F 10 C 45 C 50 F 117 F 10 C 45 C 50 F 118 F 5 C 45 C 23 F 116 F 5 C 45 C 23 F 117 F 5 C 45 C 23 F 118 F CAUTION The wall thickness o...

Страница 7: ...0 or M8 M10 or M8 NOTE Be sure to install the inspection door at the control box side If reducers are used servicing space must be increased equal to reducer s dimension CAUTION Do not install Multi V water outdoors Always install indoor like machine room Inverter product may generate electric noise Keep the body from computer stereo etc at enough distance Specially leave space from indoor remote ...

Страница 8: ...dropping the temperature Keep the normal temperature by boiler When the cooling tower is not operated for a long time drain the water in the cooling tower Use an anti freeze For using an anti freeze change the DIP switch on main PCB in outside unit Refer to the additive amount about freezing temperature as in the table given below In addition to anti freeze it may cause the change of the pressure ...

Страница 9: ...de unit supports at the bottom shall have width of at least 100mm under the Unit s legs before being fixed The outside unit supports should have minimum height of 200mm Anchor bolts must be inserted at least 75mm At least 100mm At least 100mm At least 100mm At least 100mm The location of anchor bolt 62 62 631 755 500 472 Unit mm Foundation for Installation Fix the unit tightly with bolts as shown ...

Страница 10: ... the cable 1 5m longer than the pipe length Pipe Reamer Point down Copper tube 90 Slanted Uneven Rough Preparation of Piping Burrs removal Completely remove all burrs from the cut cross section of pipe tube Put the end of the copper tube pipe to downward direction as you re move burrs in order to avoid to let burrs drop in the tubing Flaring work Carry out flaring work using flaring tool as shown ...

Страница 11: ...rant pipe EPDM heat insulation material thickness Classification Air conditioned location Non air conditioned location Note1 General location Note2 Special location Note3 General location Note4 Negative condition Liquid pipe Ø6 35 Above t9 Above t9 Above t9 Above t9 Ø9 52 Above Ø12 7 Above t13 Above t13 Above t13 Above t13 Gas pipe Ø9 52 Above t13 Above t19 Above t19 Above t25 Ø12 7 Ø15 88 Ø19 05 ...

Страница 12: ...nitrogen not use oxygen carbon dioxide and a Chevron gas Please use the following nitrogen pressure 0 02MPa Oxygen Promotes oxidative degradation of refrigerant oil Because it is flammable it is strictly prohibited to use Carbon dioxide Degrade the drying characteristics of gas Chevron Gas Toxic gas occurs when exposed to direct flame 2 Always use a pressure reducing valve 3 Please do not use comm...

Страница 13: ...n unit to hang on the hanger metal 3 After checking with a level that the unit is level tighten the hexagon nut The tilt of the unit should be within 5 in front back and left right 4 This unit should be installed suspended from ceiling and side A should always be facing up 5 Insulate not used pipes completely as shown in the figure Type of HR Unit Select an HR unit according to the number of the i...

Страница 14: ...ble piping often contains dust and other materi als Always blow it clean with a dry inert gas 3 Use care to prevent dust water or other contaminants from enter ing the piping during installation 4 Reduce the number of bending portions as much as possible and make bending radius as big as possible 5 Always use the branch piping set shown below which are sold sep arately Outer diameter mm 6 35 9 52 ...

Страница 15: ... water source side will be mixed to make the product unusable Heat Source Water Refrigerant 1 Pollution of Heat source 2 Partially frozen 3 Damage Head loss of strainer on water pipe 96 50 45 30 15 0 0 30 60 90 120 150 0 60 120 180 240 300 60 50 45 30 15 0 60 192 I min kpa kpa I min Suggestion range Allowed range ARWB100LAS4 ARWB200LAS4 14 Always use a non oxidizing brazing material for brazing th...

Страница 16: ... It is recommended to install the flow switch to the water collection pipe system connecting to the outside unit Flow switch acts as the 1st protection device when the heat water is not supplied If a certain level of water does not flow after installing the flow switch an error sign of CH24 error will be displayed on the product and the product will stop operating When setting the flow switch it i...

Страница 17: ... Ø34 9 1 3 8 184 8 630 700 Ø22 2 7 8 Ø44 5 1 3 4 Ø41 3 1 5 8 224 0 764 400 Ø22 2 7 8 Ø53 98 2 1 8 Ø44 5 1 3 4 Total pipe length A B C1 C2 C3 a b c d e f g i j k l m n 500m L Longest pipe length Equivalent pipe length A B C3 D k 150m 200m A B C3 D k 175m 225m l Longest pipe length after 1st branch B C3 D k 40m 90m H Difference in height Outside Unit Indoor Unit H 50m h Difference in height Indoor U...

Страница 18: ...its HR2 48k 48k 3 4 HR3 48k 48k 5 6 HR1 48k 48k 1 2 HR2 B 12k 12k 12k 12k 3 4 5 6 24k 7 24k 8 Pipe installation from outside units to HR units 3 pipes Low pressure Gas pipe High pressure Gas pipe Liquid pipe Pipe installation from HR units to indoor units 2 pipes Gas pipe Liquid pipe B A 1 HR1 Outside Unit Indoor Unit Y Branch pipe Low pressure Gas pipe High pressure Gas pipe Liquid pipe Gas pipe ...

Страница 19: ... General Case The maximum pipe length after the ﬁrst branching between the outside unit is 10m or les Pipes between outside unit s are 2m or less 2m or less Pipes between outside unit s are 2m or longer Oil Trap Oil Trap Oil Trap 2m or less 2m or less 2m or less 0 2m or more 2m or longer 2m or longer 2m or longer Oil trap application method between outside units Because of the possibility of oil b...

Страница 20: ...ample 3 The amount of Refrigerant The calculation of the additional charge should take into account the length of pipe and CF correction Factor value of indoor unit Total liquid pipe Ø25 4 mm Additional charge kg Total liquid pipe Ø22 2 mm Total liquid pipe Ø19 05 mm Total liquid pipe Ø15 88 mm Total liquid pipe Ø12 7 mm Total liquid pipe Ø9 52 mm Total liquid pipe Ø6 35 mm Number of installed HR ...

Страница 21: ...tem 0 44 kg m3 When the number of indoor units to be connected to the branch pipes is less than the number of branch pipes available for connection then cap pipes should be fitted to the surplus branches Fit branch pipe lie in a horizontal plane Pinched pipe B Horizontal plane View from point B in the direction of the arrow Y branch Header A B Facing upwards Facing downwards Within 3 Within 3 View...

Страница 22: ...8 I D 25 4 I D 44 48 I D 44 48 I D38 1 I D41 3 I D 44 48 I D38 1 I D41 3 I D 53 98 420 490 134 1 2 3 3 2 3 3 3 3 2 O D 19 05 I D 12 7 I D 15 88 O D12 7 I D6 35 I D9 52 X2 110 110 I D25 4 I D22 2 I D 19 05 I D 19 05 I D 22 2 I D 25 4 I D 25 4 I D 22 2 346 379 96 2 3 3 2 3 unit mm unit mm Leak test Leak test should be made by pressurizing nitrogen gas to 3 8 MPa 38 7kgf cm2 If the pressure does not ...

Страница 23: ...ive pressure to the system to 0 05MPa vacuum break with nitrogen gas and then evacuate it again with the vacuum pump for 1hr to 100 7kPa vacuum drying If the system cannot be evacuated to 100 7kPa within 2 hrs repeat the steps of vacuum break and its drying Finally check if the vacuum gauge does not rise or not after maintaining the system in vacuum for 1 hr Indoor unit Liquid side Gas side High P...

Страница 24: ...n part with steel plate so that the insulation material will not be caved in For this part use incom bustible materials for both insulation and covering Vinyl covering should not be used Inner wall concealed Outer wall Outer wall exposed Floor fireproofing Penetrating portion on fire limit and boundary wall Roof pipe shaft CAUTION Follow ordinance of your governmental organization for technical st...

Страница 25: ... the designated power cable and connect firmly then secure to prevent outside pressure being exerted on the terminal block Use an appropriate screwdriver for tightening the terinal screws A screwdriver with a small head will strip the head and make proper tighterning impossible Over tightening the terminal screws may break them Control Box and Wiring Location Remove all of the screws at front pane...

Страница 26: ...se a separate power supply for the Outside Unit and Indoor Unit Bear in mind ambient conditions ambient temperature direct sun light rain water etc when proceeding with the wiring and connec tions The cable 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 ...

Страница 27: ...cable 4 Wires Cable Power cable 2 Wires Cable Outside Power supply 3Ø 4wires Indoor Power supply 1Ø 2wires Main Switch R S T N Switch Fuse R S T N Switch Fuse R S T N Switch Fuse Pull Box Installer option Pull Box Installer option Pull Box Installer option Pull Box Installer option Master Slave1 Slave2 Slave3 Communication Line 3 Wires Cable Power Line 2 Wires Cable Power Line 2 Wires Cable Power ...

Страница 28: ... avoid interference with the oil level sensor Otherwise That oil level sensor would be operated abnormally Checking the setting of outside units Checking according to dip switch setting You can check the setting values of the Master outside unit from the 7 segment LED The dip switch setting should be changed when the power is OFF Checking the initial display The number is sequentially appeared at ...

Страница 29: ...ctory For 2 branches PRHR021 For 3 branches PRHR031 For 4 branches PRHR041 Initial Setting 1 branches Connected 2 branches Connected 3 branches Connected 4 branches Connected 1 2 3 1 2 1 3 2 4 WARNING If you want to use a PRHR031 for 2 branches HR unit after clos ing the 3rd pipes set the dip switch for 2 branches HR unit If you want to use a PRHR041 for 3 branches HR unit after clos ing the 4th p...

Страница 30: ...f the valve of the HR unit to the central control address of the connected indoor unit SW01M selection of the valve to address SW03M increase in the digit of 10 of valve address SW04M increase in the last digit of valve address SW05M Rotary S W Prerequisite for manual valve addressing central control address of each indoor unit must be preset differently at its wired remote control S W No Setup No...

Страница 31: ...f auto addressing for pipe detection Completion of auto pipe detection It is possible to be generated mode changing noise of heating and cooling which is normal There is no mode changing noise at normal operation Are the number of indoor units connected to the outside unit wiring and displayed one equal Reset the power of HR unit PCB Conﬁrm that the setting of No 2 3 of SW02M corresponds with the ...

Страница 32: ...R unit Zoning control is connecting 2 or more indoor units at one pipe of HR unit In case of Zoning control in order to set controls with multiple in door units connection uses the rotary switch Namely only the rotary switch changes from same valve set condition and set indoor units connection 1 On dip switch of the corresponding valves and sets the rotary switch at 0 2 Setting the number with tac...

Страница 33: ...OFF otherwise turn off The communication cables connected to CEN A and CEN B terminal should be connected to central control of Outside Unit with care for their polarity A A B B Turn the whole system on Set the group and Indoor Unit number with a wired remote control To control several sets of Indoor Units into a group set the group ID from 0 to F for this purpose Outside Units External PCB Exampl...

Страница 34: ...t and press button Use and button to mark Fn2 in the 7 seg ment and press button Use and button to select between ON and OFF in the 7 segment and press button Decide the Geothermal mode according to the setting mode CAUTION Request the function settings to the installation specialist during the outside unit installation When the function is not used set it to OFF Before changing the mode make sure...

Страница 35: ... and press button Decide the Variable water flow control mode according to the set mode Sol Valve 220V output It is the function to select 220V output when you want solenoid valve control How to set the mode Setting the outside unit address How to set the mode Turn on DIP switch No 5 of the master unit PCB Use and button to mark Func in the 7 seg ment and press button Use and button to mark Fn5 in...

Страница 36: ...Turn on DIP switch No 5 of the master unit PCB Use and button to mark Func in the 7 seg ment and press button Use and button to mark Fn8 in the 7 seg ment and press button Use and button to select between ON and OFF in the 7 segment and press button Decide Sump Heater control according to the set mode IDU capacity adjusting If the operation of indoor unit is more than 130 the air flow is oper ated...

Страница 37: ...ater supply system without operating the product Check whether outside unit inlet outlet ﬂow rate complies to the product speciﬁcation Standard Water volume is 96LPM based on 10HP and 192LPM based on 20HP Check the water supply temperature whether is OK After checking the normal condition of the water supply execute the test run of the product To prevent the freezing of the heat exchanger when the...

Страница 38: ...checking can be required depending on the oper ating condition water quality condition When cleaning the heat exchanger make sure to take parts out or lock the value so that chemical detergent does not penetrate into the pressure gauge etc When cleaning the heat exchanger check the connecting part of the water pipes prior to cleaning so that the chemical detergent does not leak After sufficiently ...

Страница 39: ...operation failure error Master outside unit inverter DC link over voltage error Master outside unit inverter compressor overcurrent Master outside unit inverter compressordischarge temperature over rise Master outside unit high pressure over rise Air temperature sensor of indoor unit is open or short Inlet pipe temperature sensor of indoor unit is open or short Failing to receive wired remote cont...

Страница 40: ...de unit inverter compressor discharge temperature sensor disconnection or short circuit Master Outside Unit Low Pressure Sensor open or short Master Outside Unit High Pressure Sensor open or short Master Outside unit air temperature sensor disconnection or short circuit Master outside unit suction temperature sensor disconnection or short circuit Master out side unit IGBT temperature sensor discon...

Страница 41: ...s weight per unit air volume for facilitating calculation Limiting concentration 0 44kg m3 R410A Amount of additional replenished refrigerant Total amount of replenished refrigerant in refrigerant facility kg 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 Amount of ...

Страница 42: ...ning effective to ventilation Indoor unit Pay a special attention to the place such as a basement etc where refrigerant can stay since refrigerant is heavier than air Central Control Use DDC Port Individual Control Use 220V Output Port Water In BMS Building Management System Water Out Solenoid Valve CN_18 220 V Out CN_22 to DDC PI 485 DDC BMS 1 L 2 N 3 L 4 N Main PCB Water In Water Out Solenoid Va...

Страница 43: ... can ask the public power supply com pany for the system impedance at the interface point The below Installation guide is limited applicable only for model Model ARWB200LAS4 ARWB180LAS4 ARWB160LAS4 Installation Guide for Harmonics EN 61000 3 2 EN 61000 3 12 Installation Guide for Flicker EN 61000 3 3 EN 61000 3 11 This equipment complies with IEC EN 61000 3 2 This equipment complies with IEC EN 61...

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