LG Multi V Series Installation Manual
Indoor unit
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Also See for Multi V Series:
- Owner's manual (266 pages) ,
- Engineering manual (203 pages) ,
- Installation manual (32 pages)
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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.
CEILING CONCEALED DUCT
Original instruction
MFL68821907
Rev. 00_112118
Copyright © 2018 LG Electronics Inc. All Rights Reserved.
www.lghvac.com
www.lg.com
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Table of Contents
Related Manuals for LG Multi V Series
Summary of Contents for LG Multi V 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. CEILING CONCEALED DUCT Original instruction www.lghvac.com www.lg.com MFL68821907 Rev. 00_112118 Copyright © 2018 LG Electronics Inc. All Rights Reserved.
- Page 2 IMPORTANT! Please read this instruction sheet completely before installing the product. This air conditioning system meets strict safety and operating standards. As the installer or service person, it is an important part of your job to install or service the system so it operates safely and efficiently.
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Page 3: 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 Flaring work Checking the Drainage Indoor Unit Drain Piping DIP Switch Setting Group Control Setting Model Designation Airborne Noise Emission Limiting concentration... -
Page 4: Features
Features 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 5: 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 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. - Page 6 Safety Precautions or explosion. - There is risk of electric shock or fire. - There is the risk of death, injury, fire or • Stop operation and close the window in storm or explosion. hurricane. If possible, remove the product from the window before the hurricane arrives.
- Page 7 Safety Precautions CAUTION Installation when removing the air filter. They are very sharp! • Always check for gas (refrigerant) leakage after - There is risk of personal injury. installation or repair of product. - Low refrigerant levels may cause failure of •...
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Page 8: 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 9: 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 10: 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 11 Installation Connection method of the connecting cable • Open the control box cover and connect the remote controller cables, transmission cables and indoor power cables. • Control box cover is consist of two panel which are side and bottom panel. Side panel Bottom panel Control box cover can be separated from main body by 2 method.
- Page 12 Installation After remove the control box cover, insert cables onto the bush and conduit and then connect at terminal block. Indoor power cable Remote controller cable and transmission cable between the indoor unit and the outdoor unit GN/YL Conduit Hole INSULATION, OTHERS Insulate the joint and tubes completely.
- Page 13 Installation CAUTION The connecting cable connected to the indoor and outdoor unit should be complied with the following specifications (This equipment shall be provided with a cord set complying with the national regulation). Unit: mm (inch) 10(3/8) ± 3(1/8) 30(1-3/8) ± 5(3/16) AWG18 If the supply cord is damaged, it must be replaced by a special cord or assembly available from the manufacturer of its service agent.
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Page 14: Flaring Work
Installation Flaring work • Firmly hold copper pipe in a bar with the dimension shown in below table table below. • Carry out flaring work with the flaring tool. inch (mm) "A" Pipe diameter Inch (mm) Wing nut type Clutch type Ø... -
Page 15: Indoor Unit Drain Piping
Installation Indoor Unit Drain Piping • Drain piping must have down-slope (1/50 to 1/100): be sure Upward Pipe clamp not to provide up-and-down slope to prevent reversal flow. routing not allowed • During drain piping connection, be careful not to exert Indoor unit extra force on the drain port on the indoor unit. - 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.
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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 CAUTION If you want to use the two setpoint function, you should be installed the both new thermostat and 4 series products. * Model name of wired remote controller called New thermostat : PREMTC00U 1. Group Control 1 n Wired remote controller 1 + Standard Indoor Units LGAP Network System Signal... - Page 19 Installation 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.
- Page 20 Installation 3. Group Control 3 n Mixture connection with indoor units and Fresh Air Intake Unit LGAP Network System Signal Master Slave Master Slave 12 V Display Error Message Display Error Message °C / °F (5 s) °C / °F (5 s) TIME (3 s) TIME (3 s) Master...
- Page 21 Installation 4. 2 Remote Control n Wired remote controller 2 + Indoor unit 1 LGAP Network System Slave Slave Slave Signal Master 12 V Display Error Message °C / °F (5 s) °C / °F (5 s) TIME (3 s) TIME (3 s) Master Slave...
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Page 22: Model Designation
Installation Model Designation Serial Number Combinations of functions A:Basic function G: Low Static U: Floor Standing without Case Z: Fresh Air Intake Unit Chassis Name Electrical Ratings 3:1Ø, 208/230V, 60Hz G:1Ø, 220 - 240V, 50Hz/1Ø, 220V, 60Hz Total Cooling Capacity in Btu/h EX) 5 000 Btu/h ➝... -
Page 23: How To Set E.s.p
How to Set E.S.P? How to Set E.S.P? M2 (7k~24k) (Unit: CMM(CFM)) Static Pressure (mmAq(Pa)) Setting Value 4(39) 6(59) 8(78) 10(98) 12(118) 14(137) 16(157) 18(177) 15.0(530) 19.0(672) 7.5(267) 24.9(879) 13.7(486) 4.9(173) 27.6(974) 20.4(720) 7.8(276) 30.4(1 073) 24.4(861) 15.7(554) 5.2(182) 33.1(1 168) 28.7(1 013) 20.8(734) 9.2(325) - Page 24 How to Set E.S.P? M3 (28k~54k) (Unit: CMM(CFM)) Static Pressure (mmAq(Pa)) Setting Value 4(39) 6(59) 8(78) 10(98) 12(118) 14(137) 16(157) 18(177) 20(196) 25.2(891) 30.4(1 074) 21.4(756) 35.0(1 235) 27.1(959) 18.5(654) 39.8(1 404) 35.4(1 250) 24.6(869) 44.3(1 562) 40.1(1 416) 31.5(1 111) 22.7(800) 49.3(1 741) 44.8(1 581) 36.8(1 300) 28.8(1 017) 21.4(754) 53.0(1 872) 49.4(1 744) 44.6(1 574) 35.4(1 251) 27.7(978) 57.2(2 020) 54.1(1 910) 49.2(1 737) 43.0(1 518) 35.0(1 234) 26.5(935)
- Page 25 Please call the installing contractor of your product, as warranty service will be provided by them. Service call Number # : (888) LG Canada, (888) 542-2623 CANADA Numéro pour les appels de service : LG Canada, 1-888-542-2623...