Table of Contents
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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
www.lg.com/in
P/No.: MFL66302102_v0
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Table of Contents
Related Manuals for LG MULTI V JRNU28GBGA3
Summary of Contents for LG MULTI V JRNU28GBGA3
- Page 1 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 www.lg.com/in P/No.: MFL66302102_v0...
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Page 2: Table Of Contents
Ceiling Concealed Duct - High Static Type Indoor Unit Installation Manual TABLE OF CONTENTS Required Parts Required Tools Installation Requirements Features........3 Safety Precautions....4 Installation qLevel gauge qFour type "A" screws qScrew driver qConnecting cable qElectric drill Selection the best location ..7 qHole core drill qPipes: Gas side qFlaring tool set... -
Page 3: Features
Feature Features Air outlet vents Air filters Air intake vents Wired Remote Controller Washer for Clamp Insulation for (Other) Name Clamp metal Drain hose hanging backet (Tie Wrap) fitting Quantity 1 EA 1 EA 8 EA 4 EA 1 SET •... -
Page 4: Safety Precautions
Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. Be sure to read before installing the air conditioner. Be sure to observe the cautions specified here as they include important items related to safety. Incorrect operation due to ignoring instruction will cause harm or damage. - Page 5 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 6 Safety Precautions 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 7: Installation
Installation Installation Read completely, then follow step by step. Selection of the best location • 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. •... -
Page 8: Ceiling Opening Dimension And Hanging Bolt Location
Installation Ceiling dimension and hanging bolt location Installation of Unit BH/BG/BR Chassis 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. (Unit:mm) Dimension Capacity(Btu/h) 7/9/12/15/18/24k 932 28/36/42k... -
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 suspen- • Drill the hole for set anchor on the face of ceiling. sion bolts for locking the suspension bolts on the ceiling. -
Page 10: Checking The Drainage
Installation INSULATION, OTHERS Insulate the joint and tubes completely. THERMAL INSULATION All thermal insulation must comply with local requirement. INDOOR UNIT Union for liquid pipe Thermal insulator for refrigerant pipe (Local supply) Thermal insulator for Refrigerant pipe and thermal piping(Local supply) insulator(Local supply) Hose crip for thermal insulator (Local supply) -
Page 11: Installation Manual
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 5mm. Front of view • The unit must be horizontal or declined to the drain hose connected when finished installation. -
Page 12: Hand Over
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. -
Page 13: Installation Of Remote Controller
Installation Of Remote Controller Installation instruction 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 14 Installation 3. Please fix remote controller upper part into <Connecting order> the setup board attached to the surface of the wall, as the picture below, and then, connect with setup board by pressing lower part. - Please connect not to make a gap at the remote controller Wall Wall and setup board's upper and lower, right and left part.
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Page 15: Optional Operation Of Wired Remote Controller
Optional Operation of Wired Remote Controller Installer Setting -Thermistor This is the function to select the temperature sensor to judge the room temperature. If pressing button long for 3 seconds, it enters into remote controller setter setup mode. - If pressing once shortly, it enters into user setup mode. -
Page 16: How To Set E.s.p
How to Set E.S.P? 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. •... - Page 17 How to Set E.S.P? JRNU28GBGA3, JRNU36GBGA3, JRNU42GBGA3 (Unit: CMM) Static Pressure(mmAq(Pa)) Setting Value 5(50) 6(60) 7(70) 8(80) 9(90) 10(100) 12(120) 14(140) 16(160) 12.1 4.13 17.0 15.5 11.01 21.4 19.6 17.53 14.0 11.6 25.8 24.0 21.8 19.8 17.9 14.6 12.1 30.0 28.5 26.93 25.3...
- Page 18 How to Set E.S.P? JRNU48GBGA4 (Unit: CMM) Static Pressure(mmAq(Pa)) Setting Value 5(50) 6(60) 8(80) 10(100) 12(120) 14(140) 15(150) 16(160) 17(170) 18(180) 20(200) 46.5 43.7 38.2 31.3 23.2 14.0 49.9 46.1 43.0 33.5 31.1 18.4 13.7 52.1 50.2 47.9 39.5 37.4 27.3 25.2 17.8...
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Page 19: Dip Switch Setting
Installation Dip Switch Setting Function Description Setting Off Setting On Default Communication N/A (Default) Cycle N/A (Default) Group Control Selection of Master or Slave Master Slave Dry Contact Mode Selection of Dry Contact Wired/Wireless remote Mode controller Auto Selection of Manual or Auto operation Mode Installation Fan continuous operation... - Page 20 MFL66302102 P/No : MFL66302102_v0...