LG ARNU76GB8A4 Installation guide
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LG ARNU96GB8A4 is a high-quality air conditioner that is packed with features to keep you cool and comfortable. With its powerful cooling and heating capabilities, you can be sure that your home will always be at the perfect temperature. The LG ARNU96GB8A4 also comes with a variety of features to make your life easier, such as a remote control, a timer, and a sleep mode.
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ENGLISH УКРАÏНСЬКА ITALIANO ҚАЗАҚ ТІЛІ ESPAÑOL БЕЛАРУСКАЯ МОВА FRANÇAIS OʻZBEK TILI DEUTSCH ΕΛΛΗΝΙΚΆ AIR CONDITIONER РУССКИЙ ЯЗЫК INSTALLATION MANUAL ČEŠTINA www.lg.com Copyright © 2017 -2019 LG Electronics Inc. All Rights Reserved. LIMBA ROMÂNĂ MFL67798138 Rev.01_042419 POLSKI [Representative] LG Electronics Inc. EU Representative : LG Electronics European Shared Service Center B.V. Krijgsman 1, 1186 DM Amstelveen, The Netherlands [Manufacturer] LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro, Seongsan-gu, Changwon-si, Gyeongsangnam-do, KOREA NEDERLANDS 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. Ceiling Concealed Duct - High Static Original instruction Table of contents TABLE OF CONTENTS 3 FEATURES 4 SAFETY PRECAUTIONS 10 INSTALLATION 10 Selection of the best location 12 Ceiling dimension and hanging bolt location 13 Indoor Unit Installation 13 Wiring Connection 14 Checking the Drainage 15 Indoor Unit Drain Piping 17 DIP Switch Setting 18 Group Control Setting 23 Model Designation 23 Airborne Noise Emission 23 Limiting concentration 24 HOW TO SET E.S.P? 2 Indoor Unit Features ENGLISH Features Air outlet vents Air filters Air intake vents Wired Remote Controller (Optional) Installation Tool Name Quantity Drain hose Clamp metal 1 EA 2 EA Washer for hanging bracket Clamp (Tie Wrap) Insulation for fitting 8 EA 4 EA 1 SET (Other) • Owner's manual • Installation manual Shape for gas pipe for liquid pipe Installation Manual 3 Safety Precautions Safety Precautions The following symbols are displayed on indoor and outdoor units. Read the precautions in this manual carefully before operating the unit. This appliance is filled with flammable refrigerant (R32) This symbol indicates that the Operation Manual should be read carefully. This symbol indicates that a service personnel should be handling this equipment with reference to the Installation Manual. To prevent injury to the user or other people and property damage, the following instructions must be followed. n Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. ! ! WARNING This symbol indicates the possibility of death or serious injury. CAUTION This symbol indicates the possibility of injury or damage to properties only. n Meanings of symbols used in this manual are as shown below. Be sure not to do. Be sure to follow the instruction. ! WARNING Installation • Compliance with national gas regulations shall be observed. • Do not use a defective or underrated circuit breaker. Use this appliance on a dedicated circuit. - There is risk of fire or electric shock. • For electrical work, contact the dealer, seller, a qualified electrician, or an Authorized Service Center. - Do not disassemble or repair the product. There is risk of fire or electric shock. • Always ground the product. - There is risk of fire or electric shock. • Install the panel and the cover of control box securely. - There is risk of fire or electric shock. • Always install a dedicated circuit and breaker. - Improper wiring or installation may cause fire or electric shock. • Use the correctly rated breaker or fuse. - There is risk of fire or electric shock. • Do not modify or extend the power cable. - There is risk of fire or electric shock. 4 Indoor Unit Safety Precautions Installation Manual 5 ENGLISH • Do not install, remove, or re-install the unit by yourself (customer). - There is risk of fire, electric shock, explosion, or injury. • Be cautious when unpacking and installing the product. - Sharp edges could cause injury. Be especially careful of the case edges and the fins on the condenser and evaporator. • For installation, always contact the dealer or an Authorized Service Center. - There is risk of fire, electric shock, explosion, or injury. • Do not install the product on a defective installation stand. - It may cause injury, accident, or damage to the product. • Be sure the installation area does not deteriorate with age. - If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and personal injury. • Do not turn on the breaker or power under condition that front panel, cabinet, top cover, control box cover are removed or opened. - Otherwise, it may cause fire, electric shock, explosion or death. • Use a vacuum pump or Inert (nitrogen) gas when doing leakage test or air purge. Do not compress air or Oxygen and Do not use Flammable gases. Otherwise, it may cause fire or explosion. - There is the risk of death, injury, fire or explosion. • Have all electric work done by a licensed electrician according to "Electric Facility Engineering Standard" and "Interior Wire Regulations" and the instructions given in this manual and always use a special circuit. - If the power source capacity is inadequate or electric work is performed improperly, electric shock or fire may result. • Always intstall a dedicated circuit and breaker. - Improper wiring or installation may cause fire or electric shock. • The appliance shall be stored in a well-ventilated area where the room size corresponds to the room area as specified for operation. (for R32) • Ducts connected to an appliance shall not contain an ignition source. (for R32) • The appliance shall be stored in a room without continuously operating ignition sources (for example: open flames, an operating gas appliance or an operating electric heater.) • Keep any required ventilation openings clear of obstruction. • Mechanical connections shall be accessible for maintenance purposes. • To prevent the mixing of different types of refrigerants, be sure to check the type of refrigerant used in the outdoor unit. Safety Precautions Operation • Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open. - Moisture may condense and wet or damage furniture. • Take care to ensure that power cable could not be pulled out or damaged during operation. - There is risk of fire or electric shock. • Do not place anything on the power cable. - There is risk of fire or electric shock. • Do not plug or unplug the power supply plug during operation. - There is risk of fire or electric shock. • Do not touch(operate) the product with wet hands. - There is risk of fire or electrical shock. • Do not place a heater or other appliances near the power cable. - There is risk of fire and electric shock. • Do not allow water to run into electric parts. - There is risk of fire, failure of the product, or electric shock. • Do not store or use flammable gas or combustibles near the product. - There is risk of fire or failure of product. • Do not use the product in a tightly closed space for a long time. - Oxygen deficiency could occur. • When flammable gas leaks, turn off the gas and open a window for ventilation before turn the product on. - Do not use the telephone or turn switches on or off. There is risk of explosion or fire. • If strange sounds, smell or smoke comes from product. Turn the breaker off or disconnect the power supply cable. - There is risk of electric shock or fire. • Stop operation and close the window in storm or hurricane. If possible, remove the product from the window before the hurricane arrives. - There is risk of property damage, failure of product, or electric shock. • Do not open the inlet grill of the product during operation. (Do not touch the electrostatic filter, if the unit is so equipped.) - There is risk of physical injury, electric shock, or product failure. • When the product is soaked (flooded or submerged), contact an Authorized Service Center. - There is risk of fire or electric shock. • Be cautious that water could not enter the product. - There is risk of fire, electric shock, or product damage. 6 Indoor Unit Safety Precautions ! CAUTION Installation • Always check for gas (refrigerant) leakage after installation or repair of product. - Low refrigerant levels may cause failure of product. • Install the drain hose to ensure that water is drained away properly. - A bad connection may cause water leakage. • Keep level even when installing the product. - To avoid vibration or water leakage. • Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods. - It may cause a problem for your neighbors. • Use two or more people to lift and transport the product. - Avoid personal injury. • Do not install the product where it will be exposed to sea wind (salt spray) directly. - It may cause corrosion on the product. Corrosion, particularly on the condenser and evaporator fins, could cause product malfunction or inefficient operation. Installation Manual 7 ENGLISH • Ventilate the product from time to time when operating it together with a stove, etc. - There is risk of fire or electric shock. • Turn the main power off when cleaning or maintaining the product. - There is risk of electric shock. • When the product is not be used for a long time, disconnect the power supply plug or turn off the breaker. - There is risk of product damage or failure, or unintended operation. • Take care to ensure that nobody could step on or fall onto the outdoor unit. - This could result in personal injury and product damage. • When mechanical connectors are reused indoors, sealing parts shall be renewed. (for R32) • When flared joints are reused indoors, the flare part shall be refabricated. (for R32) • Periodic ( more than once/year ) cleaning of the dust or salt particles stuck on the heat exchanger by using water. • Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer. • Do not pierce or burn refrigerant cycle part. • Be aware that refrigerants may not contain an odour. Safety Precautions • Any person who is involved with working on or breaking into a refrigerant circuit should hold a current valid certificate from an industryaccredited assessment authority, which authorises their competence to handle refrigerants safely in accordance with an industry recognised assessment specification. (for R32) • The appliance shall be stored so as to prevent mechanical damage from occurring. • Refrigerant tubing shall be protected or enclosed to avoid damage. • Flexible refrigerant connectors (such as connecting lines between the indoor and outdoor unit) that may be displaced during normal operations shall be protected against mechanical damage. • The installation of pipe-work shall be kept to a minimum. • Pipe-work shall be protected from physical damage. • A brazed, welded, or mechanical connection shall be made before opening the valves to permit refrigerant to flow between the refrigerating system parts. • Dismantling the unit, treatment of the refrigerant oil and eventual parts should be done in accordance with local and national standards. Operation • Do not expose the skin directly to cool air for long periods of time. (Don't sit in the draft.) - This could harm to your health. • Do not use the product for special purposes, such as preserving foods, works of art, etc. It is a consumer air conditioner, not a precision refrigeration system. - There is risk of damage or loss of property. • Do not block the inlet or outlet of air flow. - It may cause product failure. • Use a soft cloth to clean. Do not use harsh detergents, solvents, etc. - There is risk of fire, electric shock, or damage to the plastic parts of the product. • Do not touch the metal parts of the product when removing the air filter. They are very sharp! - There is risk of personal injury. • Do not step on or put anything on the product. (outdoor units) - There is risk of personal injury and failure of product. • Always insert the filter securely. Clean the filter every two weeks or more often if necessary. - A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage. 8 Indoor Unit Safety Precautions Installation Manual 9 ENGLISH • Do not insert hands or other objects through the air inlet or outlet while the product is operated. - There are sharp and moving parts that could cause personal injury. • Do not drink the water drained from the product. - It is not sanitary and could cause serious health issues. • Use a firm stool or ladder when cleaning or maintaining the product. - Be careful and avoid personal injury. • Replace the all batteries in the remote control with new ones of the same type. Do not mix old and new batteries or different types of batteries. - There is risk of fire or explosion. • Do not recharge or disassemble the batteries. Do not dispose of batteries in a fire. - They may burn or explode. • If the liquid from the batteries gets onto your skin or clothes, wash it well with clean water. Do not use the remote if the batteries have leaked. - The chemicals in batteries could cause burns or other health hazards. • If you eat the liquid from the batteries, brush your teeth and see doctor. Do not use the remote if the batteries have leaked. - The chemicals in batteries could cause burns or other health hazards. • Servicing shall only be performed as recommended by the equipment manufacturer. Maintenance and repair requiring the assistance of other skilled personnel shall be carried out under the supervision of the person competent in the use of flammable refrigerants. (for R32) • Means for disconnection must be incorporated in the fixed wiring in accordance with the wiring rules. • If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard. Installation Installation Read completely, then follow step by step. Selection of the best location Install the air conditioner in the location that satisfies the following conditions. • The place shall easily bear a load exceeding four times the indoor unit’s weight. • The place shall be able to inspect the unit as the figure. • The place where the unit shall be leveled. • The place shall allow easy water drainage. (Suitable dimension “H” is necessary to get a slope to drain as figure.) • The place shall easily connect with the outdoor unit. • The place where the unit is not affected by an electrical noise. • The place where air circulation in the room will be good . • There should not be any heat source or steam near the unit. Top view (unit: mm) Inspection hole (600X600) 600 1 000 Control box 600 Front Front view H ! CAUTION In case that the unit is installed near the sea, the installation parts may be corroded by salt, The installation parts (and the unit) should be taken appropriate anti-corrosion measures. [Inspection Hole Standard] Number of inspection hole Distance between false ceiling & actual ceiling Remarks 1 More than 100 cm Sufficient space in the ceiling for servicing. 2 20 cm to 100 cm Insufficient space. Difficult for servicing Hole size should be more than the size of IDU. Less than 20 cm Minimum height for motor replacement. 10 Indoor Unit Installation (for R32) - The appliance shall be installed, operated and stored in a room with a floor area larger than the minimum area. - Use the graph of table to determine the minimum area. Amin (m2) 600 Floor standing 500 400 300 200 100 Wall mounted Ceiling mounted m (kg) 0 0 1.224 2 3 4 5 6 7 8 - m : Total refrigerant amount in the system - Total refrigerant amount : factory refrigerant charge + additional refrigerant amount - Amin : minimum area for installation Floor location m (kg) Amin (m2) < 1.224 1.224 12.9 1.4 16.82 1.6 21.97 1.8 27.80 2 34.32 2.2 41.53 2.4 49.42 2.6 58.00 2.8 67.27 3 77.22 3.2 87.86 3.4 99.19 3.6 111.20 3.8 123.90 4 137.29 4.2 151.36 4.4 166.12 Floor location m (kg) Amin (m2) 4.6 181.56 4.8 197.70 5 214.51 5.2 232.02 5.4 250.21 5.6 269.09 5.8 288.65 6 308.90 6.2 329.84 6.4 351.46 6.6 373.77 6.8 396.76 7 420.45 7.2 444.81 7.4 469.87 7.6 495.61 7.8 522.04 Wall mounted m (kg) Amin (m2) < 1.224 1.224 1.43 1.4 1.87 1.6 2.44 1.8 3.09 2 3.81 2.2 4.61 2.4 5.49 2.6 6.44 2.8 7.47 3 8.58 3.2 9.76 3.4 11.02 3.6 12.36 3.8 13.77 4 15.25 4.2 16.82 4.4 18.46 Wall mounted m (kg) Amin (m2) 4.6 20.17 4.8 21.97 5 23.83 5.2 25.78 5.4 27.80 5.6 29.90 5.8 32.07 6 34.32 6.2 36.65 6.4 39.05 6.6 41.53 6.8 44.08 7 46.72 7.2 49.42 7.4 52.21 7.6 55.07 7.8 58.00 Ceiling Mounted m (kg) Amin (m2) < 1.224 1.224 0.956 1.4 1.25 1.6 1.63 1.8 2.07 2 2.55 2.2 3.09 2.4 3.68 2.6 4.31 2.8 5.00 3 5.74 3.2 6.54 3.4 7.38 3.6 8.27 3.8 9.22 4 10.21 4.2 11.26 4.4 12.36 Ceiling Mounted m (kg) Amin (m2) 4.6 13.50 4.8 14.70 5 15.96 5.2 17.26 5.4 18.61 5.6 20.01 5.8 21.47 6 22.98 6.2 24.53 6.4 26.14 6.6 27.80 6.8 29.51 7 31.27 7.2 33.09 7.4 34.95 7.6 36.86 7.8 38.83 Installation Manual 11 ENGLISH Minimum floor area Installation Ceiling dimension and hanging bolt location n Installation of Unit Install the unit above the ceiling correctly. BH/BG/BR Chassis A B CASE 1 C E POSITION OF SUSPENSION BOLT D • Apply a joint-canvas between the unit and duct to absorb unnecessary vibration. F (G) (Unit:mm) Dimension B C D E F (G) H I 882 355 47 450 30 87 750 158 830 186 I A 932 Chassis BH BG 1 232 1 182 355 47 450 30 87 BR 1 282 1 230 477 56 590 30 120 1 006 294 H Drainage hole B8 Chassis (Unit:mm) Dimension A B C D E F G H I J K L Chassis B8 1 680 1 565 1 160 330 460 580 700 1 400 1 635 390 445 15 CASE 2 • Install the unit leaning to a drainage hole side as a figure for easy water drainage. POSITION OF CONSOLE BOLT • A place where the unit will be leveled and that can support the weight of the unit. • A place where the unit can withstand its vibration. • A place where service can be easily performed. NOTICE M10 Nut X4 M10 washer X4 M10 washer X4 M10 Nut X8 • Throughly study the following installation locations: 1. In such places as restaurants and kitchens, considerable amount of oil steam and flour adhere to the fan, the fin of the heat exchanger, resulting in heat exchange reduction, spraying, dispersing of water drops, etc. In these cases, take the following actions: • Make sure that the ventilation fan for smoke-collecting hood on a cooking table has sufficient capacity so that it draws oily steam which should not flow into the suction of the air conditioner. • Make enough distance from a cooking room to install the air conditioner in such a place where it may not suck in oil steam. 2. Avoid installing air conditioner in such circumstances where cutting oil mist or iron powder is in suspension in factories, etc. 3. Avoid places where inflammable gas is generated, flows in, is stored or vented. 4. Avoid places where sulfurous acid gas or corrosive gas is generated. 5. Avoid places near high frequency generators. 12 Indoor Unit Installation • Select and mark the position for fixing bolts. • Drill the hole for set anchor on the face of ceiling. • Insert the set anchor and washer onto 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. Old building New building 1 Set anchor 2 Plate washer 3 Spring washer 4 Nut ! CAUTION 5 Suspension bolts Tighten the nut and bolt to prevent unit falling. Wiring Connection Connect the wires to the terminals on the control board individually according to the outdoor unit connection. • Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of indoor unit respectively. Terminal Block Indoor Terminal Block Indoor 2(N) 3 4 Outdoor unit Indoor unit Central controller Outdoor unit SODU SODU IDU IDU INTERNET DRY1 DRY2 GND 12V GN/YL 1(L) INDOOR POWER INPUT ● Power Cable: CV 1.5 x 3C ! WARNING Make sure that the screws of the terminal are free from looseness. Clamping of cables 1) Arrange 2 power cables on the control panel. 2) First, fasten the steel clamp with a screw to the inner boss of control panel. 3) For the cooling model, fix the other side of the clamp with a screw strongly. For the heat pump model, put the 0.75 mm2 cable(thinner cable) on the clamp and tighten it with a plastic clamp to the other boss of the control panel. ! CAUTION The Power cord connected to the unit should be selected according to the following specifications. Installation Manual 13 ENGLISH Indoor Unit Installation Installation INSULATION, OTHERS THERMAL INSULATION Insulate the joint and tubes completely. All thermal insulation must comply with local requirement. INDOOR UNIT Union for liquid pipe Refrigerant pipe and thermal insulator(Local supply) Hose crip for thermal insulator (Local supply) Thermal insulator for refrigerant pipe (Local supply) Union for gas pipe ! Thermal insulator for refrigerant pipe (Local supply) Thermal insulator for piping(Local supply) Overlap with thermal insulator for piping. Hose crip for thermal insulator(Local supply) Make sure that there is no clearance here. CAUTION (for R32) • When mechanical connectors are reused indoors, sealing parts shall be renewed. • When flared joints are reused indoors, the flare part shall be re-fabricated. Checking the Drainage 1. Remove the Air Filter. 2. Check the drainage. • Spray one or two glasses of water upon the evaporator. • Ensure that water flows drain hose of indoor unit without any leakage. 14 Indoor Unit Installation ENGLISH ! CAUTION 1. Install declination of the indoor unit is very important for the drain of the duct type air conditioner. 2. Minimum thickness of the insulation for the connecting pipe shall be 5 mm. Front of view • The unit must be horizontal or declined to the drain hose connected when finished installation. 1~3 mm Ceiling Drain Pump unuse Drain Pump use Drainage hole Drainage hole Indoor Unit Drain Piping • Drain piping must have down-slope (1/50 to 1/100): be sure not to provide up-and-down slope to prevent reversal flow. • During drain piping connection, be careful not to exert extra force on the drain port on the indoor unit. • The outside diameter of the drain connection on the indoor unit is 32 mm. Piping material: Polyvinyl chloride pipe inner diometes Ø 25 mm and pipe fittings Upward routing not allowed Pipe clamp Indoor unit Maintenance drain port 1/50~1/100 • Be sure to install heat insulation on the drain piping. Heat insulation material: Polyethylene foam with thickness more than 8 mm. MAX 700 mm Drain test The air conditioner uses a drain pump to drain water. Use the following procedure to test the drain pump operation: Flexible drain hose (accessory) Main drain pipe Drain Pump Drain port Glue the joint Drain hose connection Use the clip (accessory) Drain pan ! CAUTION The supplied flexible drain hose should not be strained. A strained hose may cause leakage of water. • Connect the main drain pipe to the exterior and leave it provisionally until the test comes to an end. • Feed water to the flexible drain hose and check the piping for leakage. • Be sure to check the drain pump for normal operation and noise when electrical wiring is complete. • When the test is complete, connect the flexible drain hose to the drain port on the indoor unit. Hanger Max 300 mm distance 1~15 m Metal clamp Flexible drain hose Hanger Bracket 1/50~1/100 slope Max 700 mm Feed water Insulation Installation Manual 15 Installation ! CAUTION After the confirmation of the above conditions, prepare the wiring as follows: 1) Never fail to have an individual power specialized for the air conditioner. As for the method of wiring, be guided by the circuit diagram posted on the inside of control box cover. 2) Provide a circuit breaker switch between power source and the unit. 3) The screws which fasten the wiring in the casing of electrical fittings are liable to come loose from vibrations to which the unit is subjected during the course of transportation. Check them and make sure that they are all tightly fastened. (If they are loose, it could give rise to burn-out of the wires.) 4) Specification of power source 5) Confirm that electrical capacity is sufficient. 6) Be sure that the starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate. 7) Confirm that the cable thickness is as specified in the power sources specification. (Particularly note the relation between cable length and thickness.) 8) Never fail to equip a leakage breaker where it is wet or moist. 9) The following troubles would be caused by voltage drop-down. • Vibration of a magnetic switch, damage on the contact point, fuse breaking, disturbance by the normal function of an overload protection device. • Proper starting power is not given to the compressor. HAND OVER Teach the customer the operation and maintenance procedures, using the operation manual. (air filter cleaning, temperature control, etc.) 16 Indoor Unit Installation ENGLISH DIP Switch Setting 1. Indoor Unit SW1 SW2 Function Description Communication N/A (Default) Cycle N/A (Default) SW3 Group Control Selection of Master or Slave SW4 Dry Contact Mode Selection of Dry Contact Mode SW5 Installation SW6 Fan continuous operation Heater linkage N/A Ventilator linkage SW7 SW8 ! Selection of Ventilator linkage Vane selection Selection of up/down (Console) side Vane Region selection Etc. Selection tropical region Spare Setting Off - Setting On Default Off Off Master Wired/Wireless remote controller selection of Manual or Auto operation Mode Continuous operation Removal - Slave Off Auto Off - Off - Off Linkage Removal Working Up side + Down side Vane Up side Vane Only Tropical model - General model - Off Off CAUTION For Multi V Models, DIP switch 1, 2, 6, 8 must be set OFF. 2. Outdoor Unit In case that the products meet specific conditions, “Auto addressing” function can start automatically with the improved speed by turning the DIP switch #3 of the outdoor unit and resetting the power. h Specific conditions: - All names of the indoor units are ARNU****4. - The serial number of Multi V super IV (outdoor units) is after October 2013. DIP switch 7 segment Outdoor Unit PCB Outdoor Unit DIP Switch Installation Manual 17 Installation Group Control Setting 1. Group Control 1 n Wired remote controller 1 + Standard Indoor Units LGAP Network System or Master Slave Display Error Message Slave Slave GND Signal 12 V Only connect serial signal and GND lines between indoor units. °C/°F (5 s) TIME (3 s) Master n DIP Switch in PCB ¿ Master Setting - No. 3 Off ¡ Slave Setting - No. 3 On Indoor Unit DIP Switch Some products have no DIP switch on PCB. It is possible to set indoor units to Master or Slave by using the wireless remote controller instead of DIP switch. For the details of the setting, please refer to the manual of the wireless remote controller. 1. It is possible to 16 indoor units(Max.) by one wired remote controller. Set only one indoor unit to Master, set the others to Slave. 2. It is possible to connect with every type of indoor units. 3. It is possible to use wireless remote controller at the same time. 4. It is possible to connect with Dry Contact and Central controller at the same time. - The Master indoor unit is possible to recognize Dry Contact and Central Controller only. 5. In case that any error occurs at indoor unit, the error code is displayed on the wired remote controller. It is possible to control the other indoor units except the error units. 18 Indoor Unit Installation ENGLISH h It is possible to connect indoor units since Feb. 2009. h It can be the cause of malfuctions when there is no setting of master and slave. h In case of Group Control, it is possible to use following functions. - Selection of operation, stop or mode - Temperature setting and room temperature check - Current time change - Control of flow rate (High/Middle/Low) - Reservation settings - It is not possible to use some functions. 2. Group Control 2 n Wired remote controllers + Standard Indoor Units LGAP Network System or Master Master Slave Slave GND Signal 12 V Donʼt connect serial 12V line Display Error Message °C/°F (5 s) TIME (3 s) Master Master h It is possible to control 16 indoor units(Max.) with the master wired remote control. h Other than those, it is same with the Group Control 1. Installation Manual 19 Installation 3. Group Control 3 n Mixture connection with indoor units and Fresh Air Intake Unit LGAP Network System or FAU Master Master Master FAU Slave Slave N GND Signal 12 V M Display Error Message Display Error Message °C/°F (5 s) TIME (3 s) Master Master h In case of connecting with standard indoor unit and Fresh Air Intake Unit, separate Fresh Air Intake Unit with standard units. (N, M ≤ 16) (Because setting temperature are different.) h Other than those, it is same with Group Control 1. FAU FAU Standard Standard FAU FAU Standard Standard * FAU : Fresh Air Intake Unit Standard: Standard Indoor Unit 20 Indoor Unit Installation ENGLISH 4. 2 Remote Control n Wired remote controller 2 + Indoor unit 1 LGAP Network System or Slave Master Slave Slave GND Signal 12 V Display Error Message °C/°F (5 s) TIME (3 s) Master Slave 1. It is possible to connect two wired remote controllers (Max.) with one indoor unit. Set only one indoor unit to Master, set the others to Slave. Set only one wired remote controller to Master, set the others to Slave. 2. Every types of indoor unit is possible to connect two remote controller. 3. It is possible to use wireless remote controller at the same time. 4. It is possible to connect with Dry Contact and Central controller at the same time. 5. In case that any error occurs at indoor unit, the error code is displayed on the wired remote controller. 6. There isnʼt limits of indoor unit function. Installation Manual 21 Installation 5. Accessories for group control setting It is possible to set group control by using below accessories. Indoor unit 2 EA +Wired remote controller 1 EA h PZCWRCG3 cable used for connection Indoor unit 1 EA +Wired remote controller 2 EA h PZCWRC2 cable used for connection S lave Mas te r PZC WRC 2 PZC WRC G3 Maste r ! Maste r S lave CAUTION • Apply totally enclosed noncombustible conduit in case of local building code Requiring plenum cable usage. 22 Indoor Unit Installation ENGLISH Model Designation ARN U 07 G BH A 4 Serial Number Combinations of functions A:Basic function L: Neo Plasma(Wall Mounted) C: Plasma(Ceiling Cassette) G: Low Static K: High Sensible Heat U: Floor Standing without Case SE/S8 - R: Mirror V: Silver B:Blue(ART COOL Type Panel Clolr) SF - E: Red V: Silver G:Gold 1: Kiss (Photo changeable) Q: Console Z: Fresh Air Intake Unit Chassis Name Electrical Ratings 1: 1Ø, 115 V, 60 Hz 6: 1Ø, 220 - 240 V, 50 Hz 3: 1Ø, 208/230 V, 60 Hz 2: 1Ø, 220 V, 60 Hz 7: 1Ø, 100 V, 50/60 Hz G: 1Ø, 220 - 240 V, 50 Hz/1Ø, 220 V, 60 Hz Total Cooling Capacity in Btu/h EX) 5 000 Btu/h ➝ '05' 18 000 Btu/h ➝ '18' Combination of Inverter Type and Cooling Only or Heat Pump N: AC Inverter and H/P V: AC Inverter and C/O U: DC Inverter and H/P and C/O System with Indoor Unit using R32 / R410A ❈ LGETA:U Ex) URN Airborne Noise Emission The A-weighted sound pressure emitted by this product is below 70 dB. ** The noise level can vary depending on the site. The figures quoted are emission level and are not necessarily safe working levels. Whilst there is a correlation between the emission and exposure levels, this cannot be used reliably to determine whether or not further precautions are required. Factor that influence the actual level of exposure of the workforce include the characteristics of the work room and the other sources of noise, i.e. the number of equipment and other adjacent processes and the length of time for which an operator exposed to the noise. Also, the permissible exposure level can vary from country to country. This information, however, will enable the user of the equipment to make a better evaluation of the hazard and risk. Limiting concentration Limiting concentration is the limit of Freon gas concentration where immediate measures can be taken without hurting human body when refrigerant leaks in the air. The limiting concentration shall be described in the unit of kg/m3 (Freon gas weight per unit air volume) for facilitating calculation Limiting concentration: 0.44 kg/m3(R410A) n Calculate refrigerant concentration Total amount of replenished refrigerant in refrigerant facility (kg) Refrigerant concentration = Capacity of smallest room where indoor unit is installed (m3) Installation Manual 23 Installation How to Set E.S.P? BH Chassis : 7, 9, 12, 15, 18, 24 k (Unit: CMM) Setting Value 70 80 90 100 110 120 130 140 145 150 3(30) 4.1 7.6 10.7 13.4 15.9 18.6 19.8 22.3 23.2 24.3 4(40) 8.1 11.2 13.2 16.2 18.8 21.1 22.2 23.1 5(50) 6.3 9.6 12.6 15.2 18.0 20.3 21.4 22.3 Static Pressure(mmAq(Pa)) 6(60) 7(70) 8(80) 4.9 7.5 4.0 10.3 7.7 5.5 12.8 11.1 9.1 15.3 14.2 12.4 17.7 17.1 15.5 19.1 18.4 16.9 21.1 19.8 18.3 9(90) 6.7 10.4 13.7 15.3 16.8 10(100) 12(120) 5.3 8.8 5.7 12.6 9.7 13.8 11.8 15.2 13.0 BG Chassis : 7, 9, 12, 15, 18, 24, 36, 42 k (Unit: CMM) Setting Value 70 80 90 100 110 120 130 140 143 150 160 5(50) 4.0 12.1 17.0 21.4 25.8 30.0 36.0 37.5 41.0 42.4 6(60) 6.9 15.5 19.6 24.0 28.5 32.1 33.9 38.0 41.6 7(70) 4.1 11.0 17.5 21.8 26.9 30.4 32.1 36.0 38.2 Static Pressure(mmAq(Pa)) 8(80) 9(90) 10(100) 12(120) 14(140) 16(160) 6.2 4.2 14.0 11.6 6.6 19.8 17.9 14.6 12.1 25.3 23.4 21.8 18.1 14.6 11.3 29.0 27.4 25.9 21.6 17.8 14.5 30.7 28.8 27.2 23.0 20.1 16.8 34.5 32.1 30.1 26.3 22.4 18.2 36.1 35.0 34.6 31.1 26.8 23.3 BR Chassis : 18, 24, 28, 48, 54 k (Unit: CMM) Setting Value 70 75 80 85 91 96 101 106 111 116 121 126 5(49) 18.8 24.5 31.2 36.5 46.5 49.9 52.1 51.4 53.6 - 6(59) 19.1 24.2 29.7 35.8 43.7 46.1 50.2 51.2 53.7 - Static Pressure(mmAq(Pa)) 8(78) 10(98) 12(118) 14(137) 15(147) 16(157) 17(168) 18(176) 20(196) 5.8 12.5 3.5 19.2 7.1 3.8 26.9 15.9 7.0 38.2 31.3 23.2 14.0 9.0 3.7 43.0 33.5 31.1 18.4 13.7 9.0 2.6 47.9 39.5 37.4 27.3 25.2 17.8 8.9 6.1 50.4 44.4 43.1 33.3 32.1 28.9 21.0 17.9 8.3 52.9 49.9 48.3 40.6 40.2 32.8 31.5 27.2 17.5 55.7 50.8 44.8 42.6 40.1 37.6 32.5 27.6 52.2 51.0 50.3 45.7 44.6 38.8 32.2 54.4 51.2 50.4 46.0 43.5 Note: 1. The above table shows the correlation between the air rates and E.S.P. 2. Make sure to check and adjust E.S.P (external static pressure) value after the installation of the product. Otherwise, there is a risk of weak cooling/heating and condensed water discharge/drop. 24 Indoor Unit How to Set E.S.P? (Unit: CMM) Setting Value 50 55 60 65 70 75 80 85 91 95 100 105 3(29) 40.3 48.8 54.9 62.6 67.9 75.5 82.6 88.8 94.7 - 4(39) 36.2 44.2 50.2 60.4 64.5 72.2 80.9 85.9 93.0 - 5(49) 36.4 49.7 55.1 62.1 69.0 76.6 82.0 90.4 - 6(59) 45.0 52.9 60.7 68.5 75.4 81.6 90.2 - Static Pressure(mmAq(Pa)) 9(88) 12(118) 15(147) 18(177) 47.1 56.9 44.7 69.7 55.2 78.6 67.4 55.9 87.1 78.9 67.6 54.2 86.1 77.0 66.4 88.3 84.9 75.9 88.3 84.9 81.1 20(196) 50.6 69.5 77.4 22(216) 23(226) 25(245) 30.0 60.8 43.1 72.0 67.9 51.3 Note: 1. The above table shows the correlation between the air rates and E.S.P. 2. Make sure to check and adjust E.S.P (external static pressure) value after the installation of the product. Otherwise, there is a risk of weak cooling/heating and condensed water discharge/drop. Installation Manual 25 ENGLISH B8 Chassis : 36, 42, 48, 76, 96 k 26 Indoor Unit
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