Table of Contents
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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.
TYPE : BUILT - IN DUCT - LOW STATIC
Original instruction
P/NO : MFL67798112
www.lg.com
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Table of Contents
Related Manuals for LG MULTI V B3 Series
Summary of Contents for LG MULTI V B3 Series
- Page 1 • 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. TYPE : BUILT - IN DUCT - LOW STATIC Original instruction www.lg.com P/NO : MFL67798112...
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Page 2: Table Of Contents
Ceiling Concealed Duct - Low Static Type Indoor Unit Installation Manual TABLE OF CONTENTS Installation Requirements Required Parts Required Tools Safety Precautions....3 Introduction......6 o Level gauge Installation o Four type "A" screws o Screw driver o Connecting cable o Electric drill Selection of the best location o Hole core drill ..........7... -
Page 3: Safety Precautions
Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. n Be sure to read before installing the air conditioner. n Be sure to observe the cautions specified here as they include important items related to safety. n Incorrect operation due to ignoring instruction will cause harm or damage. - Page 4 Safety Precautions Do not modify or extend the Do not let the air conditioner Be cautious when unpacking power cable. run for a long time when the and installing the product. humidity is very high and a door or a window is left open. •...
- Page 5 Safety Precautions CAUTION n Installation Always check for gas (refrig- Install the drain hose to Keep level even when erant) leakage after installa- ensure that water is drained installing the product. tion or repair of product. away properly. • Low refrigerant levels may •...
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Page 6: Introduction
Introduction Introduction Symbols Used in this Manual This symbol alerts you to the risk of electric shock. This symbol alerts you to hazards that could cause harm to the air conditioner. This symbol indicates special notes. NOTICE Features Built-in Duct type Suction Grille Wired Remote Controller TE MP... -
Page 7: Installation
Installation Installation Selection of the best location Indoor unit Install the air conditioner in the location that satis- fies the following conditions. Inspection hole • The place shall easily bear a load exceeding (600 x 600) Control box four times the indoor unit’s weight. •... -
Page 8: Ceiling Opening Dimension And Hanging Bolt Location
Installation B4: 1118 B3: 840 B3/B4: 295 (Ceiling opening) (Ceiling opening) Ceiling dimension and hanging bolt location Installation of Unit Install the unit above the ceiling correctly. CASE 1 POSITION OF SUSPENSION BOLT • Apply a joint-canvas between the unit and duct to absorb unnecessary vibration. -
Page 9: Indoor Unit Installation
Installation Indoor Unit Installation • Select and mark the position for fixing bolts. • Insert the set anchor and washer onto the sus- • Drill the hole for set anchor on the face of ceil- pension bolts for locking the suspension bolts ing. -
Page 10: Part Name And Functions
Installation Part name and functions Air outlet Air outlet Suction Grille Suction Grille Suction Canvas • Buit-in duct type with Suction Grille. • Buit-in duct type with Suction Grille and Suction Canvas. n B3/B4 Series : Built-in Duct type Control Box service Indoor Unit... -
Page 11: Checking The Drainage
Installation INSULATION, OTHERS Insulate the joint and tubes completely. All thermal insulation must comply with local requirement. THERMAL INSULATION INDOOR UNIT Refrigerant pipe and thermalinsulator(Local supply) Union for gas pipe Thermal insulator for refrigerant pipe (Local supply) Thermal insulator for piping(Local supply) Hose clip for thermal insulator (Local supply) Overlap with thermal... - Page 12 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 19mm. Front of view • The unit must be horizontal or declined to the drain hose connected when finished installation.
- Page 13 Installation CAUTION : The supplied flexible drain Hanger distance hose should not be curved, neither Hanger Bracket Max 300mm 1~15m 1/50~1/100 slope screwed. The curved or screwed hose Metal may cause a leakage of water. clamp Flexible drain hose Insulation 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.
- Page 14 Installation WIERED REMOTE CONTROLLER INSTALLATION • Since the room temperature sensor is in the remote controller, the remote controller box should be installed in a place away from direct sunlight, high humidity and direct supply of cold air to main- tain proper space temperature.
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Page 15: Installation Of Wired Remote Controller
Installation Installation of Wired Remote Controller 1. Please fix tightly using provided screw after placing remote controller setup board on the place where you like to setup. - Please set it up not to bend because poor setup could take place if setup board bends. Please set up remote controller board fit to the reclamation box if there is a reclamation box. - Page 16 Installation 4. Please connect indoor unit and remote controller using connection cable. Please check if connector is normally connected. Indoor Unit side Connecting cable 5. Please use extension cable if the distance between wired remote controller and indoor unit is more than 10m.
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Page 17: Name And Function Of Wired Remote Controller(Accessory)
Installation Name and function of wired remote controller(Accessory) 1. Operation indication screen 2. Set temperature button • It will set not room temperature but outlet air temperature. 3. Fan speed button • Fan Speed have 3 Steps. • Middle and Low step is same 4. -
Page 18: Dip Switch Setting
Installation Dip Switch Setting 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 Selection of Dry Con- Dry Contact controller tact Auto Mode selection of Manual or Auto Mode operation Mode Fan continuous... -
Page 19: 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 slave indoor unit Master n Dip Switch in PCB (Cassette and Duct Type indoor units) ¿... - Page 20 Installation 5. In case of any error occurs at indoor unit, display on the wired remote controller. Exception of the error indoor unit, an individual indoor unit control possibility. 6. In case of Group Control, it is possible to use following functions. - Selection of operation options (operation/stop/mode/set temperature) - Control of flow rate (High/Middle/Low) - It is not possible at some functions.
- Page 21 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 Master Master h In case of connecting with standard indoor unit and Fresh Intake Unit, separate Fresh Air Intake Unit with standard units.
- Page 22 Installation 4. 2 Remote Control n Wired remote controller 2 + Indoor unit 1 LGAP Network System Master Display Error Message Master Slave 1. It is possible to connect two wired remote controllers with one indoor unit. 2. Every types of indoor unit is possible to connect two remote controller. 3.
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Page 23: Model Designation
Installation Model Designation 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) - 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? This is the function that decides the strength of the wind for each wind level and because this function is to make the installation easier. • If you set ESP incorrectly, the air conditioner may malfunction. •... - Page 25 How to Set E.S.P? Select ESP fan step again by using button and setup ESP value, as No. 4 and 5, that corresponds each wind flow Press button to save. Press button to exit. ❈ After setup, it automatically gets out of setup mode if there is no button input for 25 seconds.
- Page 26 How to Set E.S.P? ARNU07GB3G2+PBSGB30(Acc'y), PBSC30(Acc'y) ARNU09GB3G2+PBSGB30(Acc'y), PBSC30(Acc'y) ARNU12GB3G2+PBSGB30(Acc'y), PBSC30(Acc'y) ARNU15GB3G2+PBSGB30(Acc'y), PBSC30(Acc'y) (Unit: CMM) Static Pressure(mmAq(Pa)) Setting Value 0(0) 1(10) 2(20) 3(30) 4(40) 6.29 3.03 0.93 6.61 4.84 1.52 7.69 5.64 2.18 0.79 8.19 6.28 2.81 0.85 8.91 7.43 4.96 1.58 9.51 8.14...
- Page 27 [Representative] LG Electronics Inc. EU Representative Krijgsman 1, 1186 DM Amstelveen, The Netherlands [Manufacturer] LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro, Seongsan-gu, Changwon-si, Gyeongsangnam-do, KOREA...