hit counter script
LG Multi V System Indoor Unit 2 Series Installation Manual
  1. Manuals
  2. Brands
  3. LG Manuals
  4. Air Conditioner
  5. multi V system indoor unit (2 series
  6. Installation manual
LG Multi V System Indoor Unit 2 Series Installation Manual

LG Multi V System Indoor Unit 2 Series Installation Manual

Ceiling concealed duct - high static
Hide thumbs Also See for Multi V System Indoor Unit 2 Series:
Table of Contents

Advertisement

Quick Links

See also: Owner's Manual
Indoor Unit (2 Series)

INSTALLATION MANUAL

Type: Ceiling Concealed Duct - High Static
System
IMPORTANT
• 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.
LG

Advertisement

Table of Contents
loading

Related Manuals for LG Multi V System Indoor Unit 2 Series

Summary of Contents for LG Multi V System Indoor Unit 2 Series

  • Page 1: Installation Manual

    System Indoor Unit (2 Series) INSTALLATION MANUAL Type: Ceiling Concealed Duct - High Static IMPORTANT • 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.

  • Page 2: Indoor Unit

    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. WARNING •...

  • Page 3: Table Of Contents

    Ceiling Concealed Duct - High Static Type Indoor Unit Installation Manual TABLE OF CONTENTS Required Parts Required Tools Installation Requirements Features ........4 Safety Precautions ....5 ❏ Level gauge Installation ❏ Four type "A" screws ❏ Screw driver ❏ Connecting cable ❏...

  • Page 4: Features

    Feature Features Air outlet vents Air filters Air intake vents Wired Remote Controller TE MP ote Cont rolle Indoor Unit...

  • 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. I Be sure to read before installing the air conditioner. I Be sure to observe the cautions specified here as they include important items related to safety. I Incorrect operation due to ignoring instruction will cause harm or damage.
  • Page 6 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 7 Safety Precautions I Installation Always check for gas (refriger- Install the drain hose to ensure Keep level even when installing ant) leakage after installation or that water is drained away prop- the product. repair of product. erly. • Low refrigerant levels may cause •...

  • 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 Opening Dimension And Hanging Bolt Location

    Installation Ceiling dimension and hanging bolt location I 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(inch)] Dimension Chassis (36-9/13)

  • 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 suspen- • Drill the hole for set anchor on the face of ceiling. sion bolts for locking the suspension bolts on the ceiling.

  • Page 11: Checking The Drainage

    Installation Connection method of the connecting cable(Example) Lock nut 1(L1) 2(L2) 3(A) 4(B) Conduit Conduit mounting plate Power Supply Transmission High Voltage (208/230V) WARNING : Loose wiring may cause the terminal to overheat or result in unit malfunction. A fire hazzard may also exist. Therefore, be sure all wiring is tightly connected.
  • 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 5mm. Front of view • The unit must be horizontal or declined to the drain hose connected when finished installation.

  • Page 13: 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 14: Installation Of Remote Con- Troller

    Installation Installation of Wired Remote Controller 1. Connect the wired remote controller cable to the wired remote controller installation board as shown in the right picture. 12V SIG GND Red wire Yellow Yellow wire Black Black wire Remote Controller ❊ The wired remote controller cable is connected as factory default. Cable 2.
  • Page 15 Installation 5. Use the connecting cable to connect the indoor unit and the wired remote controller. Check whether the connector is connected correctly. Indoor unit side Connecting cable 6. When the distance between the wired remote controller and the indoor unit is 10m and above, use the extension cable.

  • Page 16: Optional Operation Of Wired Remote Controller

    Installation Optional Operation of Wired Remote Controller Two Thermistor System 1. Press button for 4 seconds to enter the installer setting mode until timer segment display “01:01”. 2. Repeat pressing button to select Function code 04. 04:01 Function Code Thermistor setting 3.

  • Page 17: 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 CST –...

  • Page 18: Group Control Setting

    Installation Group Control Setting 1. Group Control 1 I Wired remote controller 1 + Indoor units LGAP Network System Master Slave Slave Slave Signal 12 V Display Error Message Only connect serial signal and GND lines between slave indoor unit Master 1.

  • Page 19: Group Control

    Installation 2. Group Control 2 I Wired remote controllers + Indoor units LGAP Network System Slave Slave Slave Signal Master 12 V Don’t connect serial 12V line Display Error Message Master Slave 1. It is possible to control N indoor units by wired remote controller M units. (M+N≤17 Units) Set only one indoor unit to Master, set the others to Slave.
  • Page 20 Installation 3. 2 Remote Control I Wired remote controller 2 + Indoor unit 1 LGAP Network System Master Signal 12 V Display Error Message Master Slave 1. It is possible to connect two wired remote controllers with one indoor unit. 2.

  • Page 21: How To Set E.s.p

    How to Set E.S.P? How to Set E.S.P? What is an E.S.P function? 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, please do not use this function when using the remote controller. If you set ESP incorrectly, the air conditioner may malfunction.
  • Page 22 How to Set E.S.P? ARNU073BHA2, ARNU093BHA2, ARNU123BHA2 ARNU153BHA2, ARNU183BHA2, ARNU243BHA2 (Unit;cmm(cfm)) Static Pressure(mmAq (in.Aq)) Setting Value 3(0.12) 4(0.15) 5(0.19) 6(0.23) 7(0.27) 8(0.31) 9(0.35) 10(0.39) 12(0.47) 4.1(144) 7.6(268) 10.7(377) 8.1(286) 6.3(222) 4.9(173) 13.4(473) 11.2(395) 9.6(339) 7.5(264) 4(141) 15.9(561) 13.2(466) 12.6(444) 10.3(363) 7.7(271) 5.5(194) 18.6(656) 16.2(572) 15.2(536) 12.8(452) 11.1(392)
  • Page 23 How to Set E.S.P? URNU763B8A2, URNU963B8A2 (Unit;cmm (cfm)) Static Pressure(mmAq (in.Aq)) Setting Value 6(0.23) 9(0.35) 12(0.47) 15(0.59) 18(0.71) 20(0.79) 22(0.86) 23(0.90) 25(0.98) 40.5(1430) 52.7(1861) 63.7(2249) 47.1(1663) 71.1(2511) 56.9(2009) 44.7(1578) 76.3(2694) 69.7(2461) 55.2(1949) 83.3(2941) 78.6(2775) 67.4(2380) 55.9(1974) 89.7(3167) 87.1(3076) 78.9(2786) 67.6(2387) 54.2(1914) 93.4(3298) 91.4(3227) 86.1(3040) 77(2719) 66.4(2345) 50.6(1787) 30(1059) 93.4(3298) 91.4(3227) 88.3(3118) 84.9(2998) 75.9(2680) 69.5(2454) 60.8(2147) 43.1(1522) 93.2(3291) 91.3(3224) 88.3(3118) 84.9(2998) 81.1(2864) 77.4(2733) 69.2(2443) 67.9(2398) 51.3(1811)
  • Page 24 Indoor Unit...
  • Page 25 P/No.: MFL42803116 Printed in Korea After reading this manual, keep it in a place easily accessible to the user for future reference.

Table of Contents