LG ARUN076BT2 - Manuals - manualsarea.com

Page 2 - : The Owners Instructions and Warranty are to be given to the owner; experienced electrician should attempt to wire this system.

2 Outdoor Unit CAUTION: Improper installation, adjustment, alteration, service or maintenance can void the warranty.The weight of the condensing unit requires caution and proper handling procedures when liftingor moving to avoid personal injury. Use care to avoid contact with sharp or pointed edges....

Page 3 - ARUN Series Outdoor unit Installation Manual; TABLE OF CONTENTS; ENGLISH

Installation Manual 3 Safety Precautions ARUN Series Outdoor unit Installation Manual TABLE OF CONTENTS Safety Precautions................................................................................................4 Installation Process ..............................................................

Page 4 - Safety Precautions; Be sure to follow the instruction.

4 Outdoor Unit Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions mustbe followed. n Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness isclassified by the following indications. ...

Page 5 - Installation Manual; Operation

ENGLISH Installation Manual 5 Safety Precautions Ventilate before operating air conditionerwhen gas leaked out. • It may cause explosion, fire, and burn. Securely install the cover of control box andthe panel. • If the cover and panel are not installed securely, dust or water may enter the outdoor u...

Page 6 - Keep level even when installing the product.

6 Outdoor Unit Safety Precautions Keep level even when installing the product. • To avoid vibration or water leakage. Do not install the unit where combustible gasmay leak. • If the gas leaks and accumulates around the unit, an explosion may result. Use power cables of sufficient current carrying ca...

Page 7 - Safely dispose of the packing materials.

ENGLISH Installation Manual 7 Safety Precautions Safely dispose of the packing materials. • Packing materials, such as nails and other metal or wooden parts, may cause stabs or other injuries. • Tear apart and throw away plastic packaging bags so that children may not play with them. If childrenplay...

Page 8 - Installation Process

8 Outdoor Unit Installation Process Installation Process The foundation must be level even Outdoor unit foundation work Avoid short circuits and ensure sufficient space is allowed for service Installation of outdoor unit Refer to automatic addressing flowchart Automatic addressing of indoor unit In ...

Page 9 - Outdoor units Information; Ratio of the connectable Indoor Units to the Outdoor: Within 50 ~ 130%; Outdoor Unit

ENGLISH Installation Manual 9 Installation Process Outdoor units Information CAUTION: Ratio of the connectable Indoor Units to the Outdoor: Within 50 ~ 130% Ratio of the running Indoor Units to the Outdoor: Within 10 ~ 100% A combination operation over 100% cause to reduce the total capacity. Power ...

Page 10 - Outdoor Units; Heat pump

10 Outdoor Unit Outdoor Units Information UnitSystem HP Ton Model Combination unit Independent unit Product Charge kg(lbs) CF(Correction Factor) kg(lbs) Max. Connectable No. of Indoor UnitsNet Weight kg lbs Dimensions mm (WxHxD) inch Connecting Pipes Liquid Pipes[mm(inch)] Gas Pipes[mm(inch)] 3 Outd...

Page 11 - Outdoor Unit

Installation Manual 11 Outdoor Units Information ENGLISH UnitSystem HP Ton Model Combination unit Independent unit Product Charge kg(lbs) CF(Correction Factor) kg(lbs) Max. Connectable No. of Indoor UnitsNet Weight kg lbs Dimensions mm (WxHxD) inch Connecting Pipes Liquid Pipes[mm(inch)] Gas Pipes[m...

Page 12 - Select the Best Location; Environment-friendly Alternative Refrigerant R410A

12 Outdoor Unit Environment-friendly Alternative Refrigerant R410A Select the Best Location Select space for installing outdoor unit, which will meet the following conditions:• No direct thermal radiation from other heat sources• No possibility of annoying neighbors by noise from unit• No exposition...

Page 13 - Installation Space; Individual Installation; Basic space required; CAUTION; When inlet air enters from right and left sides of unit

Installation Manual 13 Installation Space ENGLISH Installation Space Individual Installation n Basic space required A space of at least 250mm(9-13/16 inch) is necessary at the back for inlet air. Taking servicing, etc. from therear into account, a space of about 915mm(36 inches) should be provided, ...

Page 14 - When unit is surrounded by walls

14 Outdoor Unit Installation Space A B C A B C 45 ° or more 200mm(7-7/8 inch) or more 250mm(9-13/16 inch) or more A B C Air guide Air outlet guide (Procured at the site) 250mm(9-13/16 inch) or more D E F < Front view > E D F < Side view > < Air guide > 587.6(23-1/8) 587.6(23-1/8) 3...

Page 15 - Collective / Continuous installation

Installation Manual 15 Installation Space ENGLISH Collective / Continuous installation Space required for collective installation and continuous installation:When installing several units, leavespace between each block as shown below considering passage for air and people. Front Side Rear Side Rear ...

Page 16 - Seasonal wind and cautions in winter

16 Outdoor Unit Installation Space Seasonal wind and cautions in winter • Sufficient measures are required in a snow area or severe cold area in winter so that product can be operated well. • Get ready for seasonal wind or snow in winter even in other areas. • Install a suction and discharge duct no...

Page 17 - Lifting method; Be very careful while carrying the product.; WARNING

Installation Manual 17 Lifting Method ENGLISH • When carrying the suspended, unit pass the ropes under the unit and use the two suspension points each at the front and rear. • Always lift the unit with ropes attached at four points so that impact is not applied to the unit. • Attach the ropes to the...

Page 18 - Installation; Individual installation

18 Outdoor Unit Installation Location of anchor bolt(To be applied to 1, 2, 3 Units installation) Installation n Individual installation n Collective installation n Installation foot(Location of anchor bolt) 10(3/8) 383 (15-1/16) 10(3/8) 383 (15-1/16) 700 ± 2(27-9/16 ± 1/16) 900 ± 2 (35-7/16 ± 1/16)...

Page 19 - Foundation for Installation

Installation Manual 19 Installation ENGLISH Foundation for Installation • Fix the unit tightly with bolts as shown below so that unit will not fall down due to earthquake or gust. • Use the H-beam support as a base support • Noise and vibration may occur from the floor or wall since vibration is tra...

Page 20 - Refrigerant piping installation; Cautions in pipe connection/valve operation

20 Outdoor Unit Refrigerant piping installation WARNING After completing work, securely tighten both service ports and caps so that gas does not leak. Refrigerant piping installation WARNING Always use extreme care to prevent the refrigerant gas (R410A) from leakage while using fire orflame. If the ...

Page 21 - Connection of High/Low Pressure Common pipe; outdoor units

Installation Manual 21 ENGLISH Refrigerant piping installation Connection of High/Low Pressure Common pipe 1. For the High/Low Pressure Common pipe, connect both Master Outdoor Unit and Slave (1, 2, 3) Outdoor Unit to the pipe (field supply) by using elbows (field supply) 2. For cutting the pipe, co...

Page 22 - Connection of Outdoor units

22 Outdoor Unit Refrigerant piping installation 2 outdoor units 3 outdoor units Connection of Outdoor units Don't cut the pipe less than 70mm(2-3/4inch) Master outdoor gas pipe Blow nitrogen while brazing Ø 31.8(1-1/4) Ø 28.58(11/8) Ø 28.58(1-1/8) Ø 19.05(3/4) Ø 22.2(7/8) Ø 28.58(1-1/8) Master outdo...

Page 23 - Caution

Installation Manual 23 ENGLISH Refrigerant piping installation To Outdoor Unit Sealed Piping A A B A B Caution 1. Use the following materials for refrigerant piping. • Material: Seamless phosphorous deoxidized copper pipe• Wall thickness : Comply with the relevant local and national regulations for ...

Page 24 - Pipe length between Outdoor Units

24 Outdoor Unit Refrigerant piping installation WARNING When installing and moving the air conditioner to another site, be sure to make recharge refrigerantafter perfect evacuation. - If a different refrigerant or air is mixed with the original refrigerant, the refrigerant cycle may malfunction and ...

Page 25 - Y branch method; Refrigerant piping system; Example : 5 Indoor Units connected; Outdoor Units; Example : 5 Indoor Units connected

Installation Manual 25 ENGLISH Refrigerant piping installation u Y branch method Refrigerant piping system 1 Outdoor Units Example : 5 Indoor Units connected Ⓐ : Outdoor Unit Ⓑ : 1st branch (Y branch) Ⓒ : Indoor Units l 40m(131ft) (90m(295ft) : Conditional application) 100m(328ft) L150m(492ft) (200m...

Page 26 - Outdoor Unit; Conditional Application; Example : 5 Indoor Units

26 Outdoor Unit Piping length from outdoor branch to outdoor unit ≤10m(32.8ft), equivalent length:max 13m(42.7ft) (for 18HP or more) Conditional Application To satisfy below condition to make 40 m ~ 90 m(131 ft ~295 ft) of pipe length after first branch. 1) Diameter of pipes between first branch and...

Page 28 - Example : 6 Indoor Units connected; Header Method

28 Outdoor Unit 1 Outdoor Unit Example : 6 Indoor Units connected Ⓐ : Outdoor Unit Ⓑ : 1st branch Ⓒ : Indoor Units Ⓓ : Sealed piping L 150m(492ft) 40m(131ft) H 100m(328ft) 15m(49ft) 10m (32.8ft) or less H 100m(328ft) L 150m(492ft) 40m(131ft) Slave Master 15m(49ft) 2 Outdoor Units Example : 6 Indoor ...

Page 29 - Branch pipe can not be used after header

Installation Manual 29 ENGLISH Refrigerant piping installation Longest pipe length * Equivalent pipe length A+f ≤ 150m(492ft) A+f ≤ 175m(574ft) Longest pipe length after 1st branchf ≤ 40m(131ft)Difference in height(Outdoor Unit ÷ Indoor Unit) H ≤ 100m(328ft)Difference in height (Indoor Unit ÷ Indoor...

Page 30 - Combination of Y branch/header method

30 Outdoor Unit Branch pipe can not be used after header Branch pipe can not be used after header Example : 5 Indoor Units connected Ⓐ : Outdoor Unit Ⓑ : 1st branch (Y branch) Ⓒ : Y branch Ⓓ : Indoor Unit Ⓔ : Header Ⓕ : Sealed piping L 150m(492ft) 40m(131ft) H 100m(328ft) h 15m(49ft) Example : 5 Ind...

Page 32 - Upward Outdoor Unit total capacity; Outdoor unit Connection

32 Outdoor Unit WARNING • In case of pipe diameter B connected after first branch is bigger than the main pipe diameter A, B should be of the same size with A.Ex) In case indoor unit combination ratio 120% is connected to 70kW outdoor unit. 1) Outdoor unit main pipe diameter A : Ø34.9(1-3/8 inch)(ga...

Page 33 - Gas pipe

Installation Manual 33 ENGLISH Refrigerant piping installation WARNING When the equivalent length between the outdoor unit and a indoor unit is 90 m(295 ft) or more, the size ofmain pipes (Liquid pipe and Gas pipe) must be increased one grade. 7.1.5 Indoor Unit Connection Ú Indoor Unit connecting pi...

Page 34 - Connection between outdoor and outdoor unit; Example of Pipe Connection between Outdoor; Pipe Connection between Outdoors

34 Outdoor Unit Connection between outdoor and outdoor unit n Example of Pipe Connection between Outdoor 1. Pipe Connection between Outdoors Less than 10m(32.8ft) h1 Less than 2m(6.6ft) 2. In case pipe length between outdoors is less than 2m(6.6ft) Differnce in height between outdoor unitsLess than ...

Page 35 - In case pipe length between outdoors is 2m or more.

Installation Manual 35 ENGLISH Refrigerant piping installation 3. In case pipe length between outdoors is 2m or more. When the piping length between Branch of Outdoor units or between Branch and outdoor units.Is 2 m(6.6ft) or more, prepare a oil trap 200 mm(0.7ft) or more as shown below) on the gas ...

Page 36 - The amount of Refrigerant; Special condition; ) Installation Information; Revised the total additional charging amount =

36 Outdoor Unit u The amount of Refrigerant The calculation of the additional charge should take into account the length of pipe. Product Charge(kg(lb)) Additional charge (kg(lb)) = + + + + + + = + x 0.354(kg/m) → 0.237 lb/ft x 0.266(kg/m) → 0.178 lb/ft x 0.173(kg/m) → 0.116 lb/ft x 0.118(kg/m) → 0....

Page 38 - Vertical Distribution; Header; Distribution Method

38 Outdoor Unit 38 Outdoor Unit Refrigerant piping installation 1. Line Distribution 2. Vertical Distribution Ensure that the branch pipes are attached vertically. 3. The others Header Slave Master Slave Master 1st 1st 1st Main pipe Distribution 2nd 2nd 3rd Slave Master Slave Master Slave Master Sla...

Page 39 - Branch pipe Fitting

Installation Manual 39 ENGLISH Refrigerant piping installation Branch pipe Fitting Y branch A B To Outdoor Unit To Branch Piping or Indoor Unit A B Facing upwards Facing downwards Within ± 3 ° Within ± 3 ° Viewed from point Ain direction of arrow Horizontalplane Within +/- 10 ° A Insulator (included...

Page 41 - Y branch pipe; Models

Installation Manual 41 ENGLISH Refrigerant piping installation u Y branch pipe I.D28.58(1-1/8) O.D25.4(1) I.D34.9(1-3/8) O.D31.8(1-1/4) Models Gas pipe Liquid pipe [Unit:mm(inch)] ARBLN03321 ARBLN07121 ARBLN14521 ARBLN01621 I.D12.7(1/2) I.D15.88(5/8) I.D15.88(5/8) I.D15.88(5/8) I.D12.7(1/2) I.D12.7(...

Page 43 - Leak Test and Vacuum drying

Installation Manual 43 ENGLISH Refrigerant piping installation Leak Test and Vacuum drying Indoor unit Nitrogen gascylinder Nitrogen gascylinder Slave 1 outdoor unit Master outdoor unit Close Close Close Close Close Close High/low pressure common pipe Liquide pipe Gas pipe High/low pressure common p...

Page 45 - Vacuum Mode

Installation Manual 45 ENGLISH Refrigerant piping installation Vacuum Mode This function is used for creating vacuum in the system after compressor replacement, ODU parts replace-ment or IDU addition/replacement. Master main PCB DIP switch ON ( No.11,14) Vacuum mode setting ODU V/V OPEN Main EEV, SC...

Page 46 - Thermal insulation of refrigerant piping; Penetrations

46 Outdoor Unit 46 Outdoor Unit Refrigerant piping installation Thermal insulation of refrigerant piping Heat insulation material Outer covering Adhesive + Heat - resistant polyethylene foam +Adhesive tape Indoor Vinyl tape Floor exposed Water-proof hemp cloth + Bronze asphaltOutdoor Water-proof hem...

Page 47 - Electrical Wiring

Installation Manual 47 ENGLISH Electrical Wiring Electrical Wiring Caution CAUTION Be sure to correct the outdoor unit to earth. Do not connect earth line to any gas pipe, water pipe,lightening rod or telephone earth line. If earth is incomplete, it may cause an electric shock. WARNING Be sure to ha...

Page 49 - Control box and connecting position of wiring; - Provide an appropriate cover to intercept direct sunlight.

Installation Manual 49 ENGLISH Electrical Wiring Control box and connecting position of wiring - Remove all of the screws at front panel and remove the panel by pulling it forward. - Connect communication line between master and slave outdoor unit through the terminal block. - Connect communication ...

Page 50 - Communication and Power Lines; ) Communication cable

50 Outdoor Unit 50 Outdoor Unit Electrical Wiring Communication and Power Lines 1) Communication cable • Types : shielding wire•Use wires of size : over 1.25mm 2 • Maximum allowable temperature: 60°C• Maximum allowable line length: under 1,000m(3,281ft) 2) Remote control cable • Types : 3-core cable...

Page 51 - ulations and guidance of each electric power company.; capacity may cause a malfunction of unit or fire.; Wiring of Main Power Supply and Equipment Capacity

Installation Manual 51 ENGLISH Electrical Wiring 1. Use a separate power supply for the Outdoor Unit and Indoor Unit. 2. Bear in mind ambient conditions (ambient temperature,direct sunlight, rain water,etc.) when proceed- ing with the wiring and connections. 3. The wire size is the minimum value for...

Page 52 - Example Connection of Communication Cable; equipment utilizing the multiple power sources.

52 Outdoor Unit 52 Outdoor Unit Electrical Wiring 5.1 60Hz u Example Connection of Communication Cable n 1 Outdoor Unit - 3Ø, 460V WARNING • Indoor Unit ground Lines are required for preventing electrical shock accident during current leakage, Communication disorder by noise effect and motor current...

Page 53 - the equipment utilizing the multiple power sources.

Installation Manual 53 ENGLISH Electrical Wiring Power supply switch(Switch fuse : ELCB) Power supply switch(Switch fuse) Power supply switch(Switch fuse) 3 Phase 3 Wires Power line(R, S, T) Communication line (3 line): Wired remote control Single Phase of power supply line(L(1),L(2)) Communication ...

Page 56 - from the power supply.

56 Outdoor Unit Power supply switch(Switch fuse) The GND terminal is a '–' terminal for the central controller, not Ground Line Slave Outdoor unit Power supply switch(Switch fuse : ELCB) 3 Phase 3 Wires Power supply 60Hz 208/230V Power supply 1 Phase 60Hz 208/230V (Main Switch) Between Indoor and Ma...

Page 59 - Connect the cable to the outdoor unit; Remove the control box cover from the unit.

Installation Manual 59 Electrical Wiring ENGLISH Connect the cable to the outdoor unit 1. Remove the control box cover from the unit. Connect the wires to the terminals on the control box as following. 2. Secure the cable onto the control box with the holder 3. Refix the cover to the original positi...

Page 60 - Connection method of the connecting cable (Example); the repair paint to prevent rusting; Model name; Model name; Model name

60 Outdoor Unit Connection method of the connecting cable (Example) 1. Make a hole appropriate for the passage of connection cable through on cap by tool. 2. After knocking out the holes, we recommend you paint the edges and areas around the edges using the repair paint to prevent rusting 3. Pass th...

Page 61 - Location of setting Switch; Main PCB

Installation Manual 61 ENGLISH Electrical Wiring Location of setting Switch Main PCB SW01B (DIP S/W) SW02B (DIP S/W) 7 - Segment SW02VAuto addressing

Page 62 - DIP switch setting; Checking according to dip switch setting; The dip switch setting should be changed when the power is OFF.; Checking the setting of the Master unit; Master model code

62 Outdoor Unit DIP switch setting n Checking according to dip switch setting 1. You can check the setting values of the main outdoor unit from the 7 segment LED. The dip switch setting should be changed when the power is OFF. 2. It checks whether the input is properly performed without the bad cont...

Page 63 - Setting the DIP switch; Settings of Master outdoor unit

Installation Manual 63 ENGLISH Electrical Wiring n Setting the DIP switch • Set the dip switch with the power turned off. If you change the setting when the power is on, the changed setting is not applied immediately. The changed setting is applied at the moment that the power is on. • Instant indoo...

Page 65 - Settings of slave outdoor unit

Installation Manual 65 ENGLISH Electrical Wiring 2. Settings of slave outdoor unit SW01B Setting Slave 1 Slave 2 Slave 3 Remarks SW02B Setting Function SW01B Setting Slave 1 Slave 2 Slave 3 Remarks SW02B Setting Function 1 2 3 4 5 6 7 ON 1 2 3 4 5 6 7 ON 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 2 3 4 5 6 ...

Page 66 - Automatic Addressing; • The address of indoor units would be set by auto; The Procedure of Automatic Addressing

66 Outdoor Unit Automatic Addressing • The address of indoor units would be set by auto addressing 1) Wait for 3 minutes after applying power supply (main and sub outdoor unit, indoor unit). 2) Press the switch of the outdoor unit (SW02V) for 5 seconds. 3) A "88" is indicated on 7-segment LE...

Page 67 - Group Number setting; Group Number setting for Indoor Units; Terminal block on the main PCB; Outdoor Units

Installation Manual 67 ENGLISH Electrical Wiring Group Number setting Group Number setting for Indoor Units ① Confirm the power of whole system(Indoor Unit, Outdoor Unit) is OFF, otherwise turn off. ② The communication lines connected to INTERNET terminal should be connected to central control of Ou...

Page 68 - Outdoor unit Dry Contact installation and connection

68 Outdoor Unit Outdoor unit Dry Contact installation and connection • Connect wires as below figure at the hole of backside of Outdoor Unit Dry Contact.• Insert the wire in the connection hole pushing the "Push" button. Mode Change Air circulation Cooling Back Heating Outdoor Unit Electrica...

Page 69 - Test Run; Checks Before Test Run; • Always apply main power of the outdoor unit during use of product; • Start preheat operation for 3 hours after supplying main power.

Installation Manual 69 ENGLISH Test Run Test Run 1 2 3 4 Check to see whether there is any refrigerant leakage, and slack of power or communication cable. Confirm that 500 V megger shows 2.0 MΩ or more between power supply terminal block and ground.Do not operate in the case of 2.0 MΩ or less. NOTE:...

Page 70 - How to Cope with Test Run Abnormality; The phenomena from main component failure

70 Outdoor Unit How to Cope with Test Run Abnormality The phenomena from main component failure When system fault occurs, the error code is displayed at indoor unit display or remote control display,the trouble shooting guide is in the service manual Compressor Outdoor fan Outdoor EEV Not operating ...

Page 71 - Sensor Checking Function

Installation Manual 71 ENGLISH Test Run Sensor Checking Function Sensor checking function judges whether the current temperature of indoor and outdoor unit sensors is rightor not. -3 indoor temperature sensors, 9 outdoor temperature sensors, 2 outdoor pressure sensors. It is used for judging sensor ...

Page 72 - Sensor Check Error Code Display; Displaying error content

72 Outdoor Unit Sensor Check Error Code Display In case error occurs during sensor checking process, error display is as shown below. Following contents are displayed one after the other on the main PCB of master outdoor unit. Indoor sensor error : 319 Outdoor sensor error : 309 Displaying error con...

Page 73 - Refrigerant Auto Charging Function; Is it necessary to

Installation Manual 73 ENGLISH Test Run Refrigerant Auto Charging Function T h i s f u n c t i o n c h a r g e s a p p r o p r i a t e a m o u n t o f r e f r i g e r a n t a u t o m a t i c a l l y t h r o u g h c y c l e o p e r a t i o n .It can be used when refrigerant amount Isn't certain becau...

Page 74 - Procedure; Error contents about auto refrigerant charging function

74 Outdoor Unit Test Run Procedure 1. Arrange manifold,capillary assembly, refrigerant vessel and scale2. Connect manifold to the gas pipe service valve of ODU as shown in the figure.3. Connect manifold and Capillary tube. Use designated capillary assembly only. If designated capillary assembly isn'...

Page 75 - Refrigerant Checking Function; Judging

Installation Manual 75 ENGLISH Test Run 1. This function charges appropriate amount of refrigerant automatically through cycle operation. 2. This function judges refrigerant leakage and overcharging. 3. It can be used with refrigerant auto charging function. Refrigerant Checking Function Wait for 3 ...

Page 76 - [ Error contents about auto refrigerant charging function ]; How to Cope with Result of Refrigerant checking

76 Outdoor Unit Test Run [ Error contents about auto refrigerant charging function ] 1. : Temperature Range Error (In case that IDU or ODU is out of range) 2. : System Unstable Error (In case, After 45 min operating the system, it does not be stable) How to Cope with Result of Refrigerant checking 1...

Page 77 - Main PCB Power Reset; Max. RPM setting method; Night Low Noise Function

Installation Manual 77 Test Run ENGLISH In cooling mode, this function makes the ODU fan operate at low RPM to reduce the fan noise of ODU atnight which has low cooling load. [Note]1. Select appropriate RPM referencing noise table. Caution 1. Request installer to set the function during installation...

Page 78 - Static pressure compensation dip S/W setting method

78 Outdoor Unit Test Run This function is used for creating vacuum in the system after compressor replacement, ODU parts replace-ment or IDU addition/replacement. This function secures the air flow rate of ODU, in case static pressure has been applied like using duct at fan discharge of ODU. n Stati...

Page 79 - Self-Diagnosis Function; Error Indicator; Display

Installation Manual 79 ENGLISH Test Run Self-Diagnosis Function Error Indicator • This function indicates types of failure in self-diagnosis and occurrence of failure for air condition.• Error mark is displayed on display window of indoor units and wired remote controller, and 7-segment LED of outdo...

Page 87 - Limiting concentration; (2) With partition and with opening which serve as; Caution For Refrigerant Leak; Introduction

Installation Manual 87 ENGLISH Caution For Refrigerant Leak The installer and system specialist shall secure safety against leakage according to local regulations or standards. The following standards may be applicable if local regulations are not available. Though the R410A refrigerant is harmless ...

Page 88 - Calculate refrigerant concentration; • Countermeasure 1

88 Outdoor Unit Caution For Refrigerant Leak (3) With partition and without opening which serve as passage of air to adjoining room n Calculate refrigerant concentration n In case the concentration exceeds the limit When the concentration exceeds the limit, change original plan or take one of the co...

Page 89 - Installation guide at the seaside; needs additional anticorrosion treatment on the heat exchanger.

Installation Manual 89 ENGLISH Installation guide at the seaside Installation guide at the seaside 1. Air conditioners should not be installed in areas where corrosive 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) d...

Page 91 - US

US 1. Please call the installing contractor of your product, as warranty service will be provided by them.2. If you have service issues that have not been addressed by the contractor, please call 1-888-865-3026. CANADA Service call Number # : (888) LG Canada, (888) 542-2623