LG Multi V Series Installation Manual

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Page 1 Please retain this installation manual for future reference after reading it thoroughly. CEILING CONCEALED DUCT Original instruction [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 www.lg.com...
Page 2: Table Of Contents
Table of contents TABLE OF CONTENTS FEATURES SAFETY PRECAUTIONS INSTALLATION Selection of the best location Ceiling dimension and hanging bolt location Indoor Unit Installation Wiring Connection Checking the Drainage Indoor Unit Drain Piping DIP Switch Setting Group Control Setting Model Designation Airborne Noise Emission Limiting concentration HOW TO SET E.S.P?
Page 3: Features
Feature Features Air inlet vents Air outlet vents Remote Controller (Accessory) Installation Tool Washer for Clamp Insulation for Name Drain hose Clamp metal (Other) hanging bracket (Tie Wrap) fitting Quantity 1 EA 2 EA 8 EA 4 EA 1 SET •...
Page 4: Safety Precautions
Safety Precautions Safety Precautions The following symbols are displayed on indoor and outdoor units. Read the precautions in this manual This appliance is filled with flammable carefully before operating the unit. refrigerant (R32) This symbol indicates that a service This symbol indicates that the Operation personnel should be handling this Manual should be read carefully.
Page 5 Safety Precautions • 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.
Page 6 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.
Page 7 Safety Precautions 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.
Page 8 Safety Precautions inefficient operation. • Any person who is involved with working on or breaking into a refrigerant circuit should hold a current valid certificate from an industry- accredited assessment authority, which authorises their competence to handle refrigerants safely in accordance with an industry recognised assessment specification.
Page 9 Safety Precautions - A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage. • 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. •...
Page 10: Installation
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. •...
Page 11 Installation Minimum floor area (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 (m Floor standing Wall mounted Ceiling mounted...
Page 12: Ceiling Dimension And Hanging Bolt Location
Installation Ceiling dimension and hanging bolt location n Installation of Unit Install the unit above the ceiling correctly. POSITION OF SUSPENSION BOLT • Apply a joint-canvas between the unit and duct to absorb unnecessary vibration. • Install the unit leaning to a drainage hole side as a figure for easy water drainage.
Page 13: Indoor Unit Installation
Installation Indoor Unit Installation • Select and mark the position for fixing bolts. • Insert the set anchor and washer onto the • Drill the hole for set anchor on the face of ceiling. suspension bolts for locking the suspension bolts on the ceiling.
Page 14: Checking The Drainage
Installation INSULATION, OTHERS Insulate the joint and tubes completely. All thermal insulation must comply with local requirement. THERMAL INSULATION INDOOR UNIT Liquid pipe Refrigerant pipe and thermal Thermal insulator for refrigerant pipe insulation(Local supply) (Local supply) Thermal insulator for piping(Local supply) Clamp for insulation (Local supply) Insulation...
Page 15: Indoor Unit Drain Piping
Installation 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. Ceiling Drainage hole Indoor Unit Drain Piping...
Page 16 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.
Page 17: Dip Switch Setting
Installation DIP Switch Setting 1. Indoor Unit Function Description Setting Off Setting On Default Communication N/A (Default) Cycle N/A (Default) Selection of Master or Group Control Master Slave Slave Wired/Wireless remote Dry Contact Selection of Dry controller Auto Mode Contact Mode selection of Manual or Auto operation Mode Fan continuous...
Page 18: Group Control Setting
Installation Group Control Setting 1. Group Control 1 n Wired remote controller 1 + Standard Indoor Units LGAP Network System Signal Master Slave Slave Slave 12 V Only connect serial signal and GND lines Display Error Message between indoor units. °C/°F(5 s) Master TIME(3 s)
Page 19 Installation 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...
Page 20 Installation 3. Group Control 3 n Mixture connection with indoor units and Fresh Air Intake Unit LGAP Network System Master Signal Slave Master Slave Master 12 V Display Error Message Display Error Message Master Master °C/°F(5 s) TIME(3 s) h In case of connecting with standard indoor unit and Fresh Air Intake Unit, separate Fresh Air Intake Unit with standard units.
Page 21 Installation 4. 2 Remote Control n Wired remote controller 2 + Indoor unit 1 LGAP Network System Slave Signal Slave Slave Master 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.
Page 22 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 Indoor unit 1 EA +Wired remote controller 2 EA h PZCWRCG3 cable used for connection h PZCWRC2 cable used for connection S lave Mas te r...
Page 23: Model Designation
Installation Model Designation Serial Number Combinations of functions A: Basic function L: Neo Plasma(Wall Mounted) C: Plasma(Ceiling Cassette) B: High Static 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) - E: Red V: Silver G:Gold 1: Kiss (Photo changeable)
Page 24: How To Set E.s.p
How to Set E.S.P? How to Set E.S.P? M1 Chassis : 7, 9, 12, 15, 18 k (Unit: CMM) Static Pressure (mmAq(Pa)) Setting value 2.5(25) 4(39) 6(59) 8(78) 10(98) 12(118) 14(137) 15(147) 11.3 12.8 14.4 11.4 15.9 13.2 10.2 17.5 15.0 12.0 19.0...
Page 25 How to Set E.S.P? M2 Chassis : 7, 9, 12, 15 k (Unit: CMM) Static Pressure (mmAq(Pa)) Setting value 4(39) 6(59) 8(78) 10(98) 12(118) 14(137) 16(157) 18(177) 10.3 15.0 19.0 24.9 13.8 27.6 20.4 30.4 24.4 15.7 33.1 28.7 20.8 35.9 31.7 24.1...
Page 26 How to Set E.S.P? M2 Chassis : 42 k (Unit: CMM) Static Pressure (mmAq(Pa)) Setting value 4(39) 6(59) 8(78) 10(98) 12(118) 14(137) 16(157) 18(177) 23.0 25.9 19.1 28.6 23.3 31.4 26.4 19.6 34.2 29.9 24.2 36.6 32.7 28.8 21.7 39.2 35.7 31.8 26.2...

LG Multi V Series Installation Manual

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How to Set E.s.p

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