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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.
SINGLE DUCTED SPLIT
MFL68061102
Rev.02 _ 052020
Copyright © 2016 - 2020 LG Electronics Inc. All Rights Reserved.
www.lg.com
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Summary of Contents for LG ANNQ60GKA4
- 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. SINGLE DUCTED SPLIT www.lg.com MFL68061102 Rev.02 _ 052020 Copyright © 2016 - 2020 LG Electronics Inc. All Rights Reserved.
- Page 2 TIPS FOR SAVING ENERGY TIPS FOR SAVING ENERGY Here are some tips that will help you minimize the power consumption when you use the air conditioner. You can use your air conditioner more efficiently by referring to the instructions below: •...
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Page 3: Important Safety Instructions
IMPORTANT SAFETY INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE. Always comply with the following precautions to avoid dangerous situations and ensure peak performance of your product WARNING It can result in serious injury or death when the directions are ignored CAUTION It can result in minor injury or product damage when the directions are ignored WARNING... - Page 4 IMPORTANT SAFETY INSTRUCTIONS • 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. Operation •...
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Page 5: Table Of Contents
TABLE OF CONTENTS TABLE OF CONTENTS TIPS FOR SAVING ENERGY IMPORTANT SAFETY INSTRUCTIONS FEATURES Duct Connection Dimensions INSTALLATION Selection of the best location Upflow Installation Duct work Insulation Condensate Drain Wiring Connection INSTALLATION INSTRUCTION Remote controller installation Group control Installer Setting -E.S.P. PRODUCT DATA External Static Pressure &... -
Page 6: Features
FEATURES FEATURES Wiring knockouts for conduit Wiring knockouts for conduit Refrigerant connections Filter access Drain connections for upflow application... -
Page 7: Duct Connection Dimensions
FEATURES Duct Connection Dimensions <Top> Drain connections Refrigerant for upflow connections application <Front> Air filter cover <Side-right> <Bottom> (Unit: inch(mm)) Wiring Dimensions Refrigerant Knock out Connections Pipe size Height Width Depth Power Communication Liquid 24-1/2 1-11/16 55-1/8 21-3/8 1-9/16 12-1/8 (1 401) (635) (540) -
Page 8: Installation
INSTALLATION INSTALLATION Selection of the best location - Where optimum air distribution can be ensured. - Where nothing blocks air passage and install the duct work. - Where condensate can be properly drained. - Where the ceiling is strong enough to bear the indoor unit weight. - Where the false ceiling is not noticeably on an incline. -
Page 9: Upflow Installation
INSTALLATION Upflow Installation - Position unit on plenum or other suitable foundation. - If the unit on plenum, make holes in plenum. Return air duct should be connected through holes. Plenum should be connected in the unit using each 3 screws on the left and right side. - After the duct is secured, seal around the supply duct to prevent air leakage. -
Page 10: Duct Work
INSTALLATION Duct work - Over 10 screws should be used for joining supply duct with the unit. - To prevent vibration transmission, exploit flexible connectors between duct and the unit. It is mandatory that the flexible connector between unit and duct at discharge connection should be made off heat resistive material when electric heater is installed. -
Page 11: Insulation
INSTALLATION Insulation Insulate the joint and tubes completely. Thermal insullaton : All thermal insulation must comply with local requirement. 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... -
Page 12: Condensate Drain
INSTALLATION * Note 1) General location: When the pipe passes through indoors in which the indoor unit is operated - Apartment, classroom, office, mall, hospital, office-tel etc. Note 2) Special location 1. When the location is air conditioned but has severe temperature/humidity difference due to high ceiling - Church, auditorium, theater, lobby etc. - Page 13 INSTALLATION GRADIENT OF UNIT AND DRAIN PIPING - Alway lay the drain with downward inclination(1/50 to 1/100). Prevent any upward flow or reverse flow in any part. - 5/24 inch(5 mm) or thicker formed thermal insulator shall always be provided for the drain pipe. Thermal insulator (Field supply) Drainage pipe...
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Page 14: Wiring Connection
INSTALLATION 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. - Page 15 INSTALLATION NOTE • Separately wire power supply cord and connecting cable. • Use heat-proof electrical wiring capable of withstanding temperature up to 75 °C(167 °F). • Use outdoor and waterproof connection cable NRTL(UL, ETL, CSA...) listed and rated more than 300 V for the connection between indoor and outdoor unit. and this cable should be enclosed in conduit.
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Page 16: Installation Instruction
INSTALLATION INSTRUCTION INSTALLATION INSTRUCTION Please fix tightly using provided screw Can set up wired remote controller cable after placing remote controller setup board into three directions. on the place where you like to setup. - Set up direction: the surface of wall - Please set it up not to bend because poor reclamation, upper, right setup could take place if setup board... - Page 17 12 V Black CAUTION Remove remote controller by inserting a screwdriver into the lower separating holes • Specification of LG supplied extension and twisting to release the controller from cable: AWG#22, 3 core shielded. backplate. (Model : PZCWRC1) - There are two separating holes. Please * Apply enclosed noncombustible individually separate one at a time.
- Page 18 INSTALLATION INSTRUCTION CAUTION ③ Make sure each wire is securely fastened under each screw terminal and the wires • Installation work must be performed in are not in contact with each other. accordance with the national wiring ④ Please connect the Terminal blocks of standards and local by authorized indoor unit’s C/BOX and wired remote personnel only.
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Page 19: Remote Controller Installation
INSTALLATION INSTRUCTION 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 maintain proper space temperature. Install the remote controller about 5 ft(1.5 m) above the floor in an area with good air circulation at an average temperature. -
Page 20: Group Control
INSTALLATION INSTRUCTION Group control * When installing 2 remote controllers to one indoor unit with event When installing more than 2 units of air communication function, set the conditioner to one wired remote controller, master/slave of the remote controller. please connect as the right figure. (Refer to remote controller master/slave selection) - If it is not event communication indoor... -
Page 21: Installer Setting -E.s.p
INSTALLATION INSTRUCTION Installer Setting -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. - This setting must be carried out by a certificated-technician. -
Page 22: Product Data
High static pressure is 0.3 in.wc (Factory set Default) Low static pressure is 0.1 in.wc - If you set ESP incorrectly, the air conditioner may cause cooling & heating capacity down and malfunction. * : Max setting is only available for ANNQ60GKA4.