LG LB-B2156QC Owners & Installation Manual
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LG LB-B2156QC Owners & Installation Manual

LG LB-B2156QC Owners & Installation Manual

Low static hide away type air conditioner
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LG
Low Static Hide Away Type Air Conditioner
OWNER'S & INSTALLATION
MANUAL
IMPORTANT
Please read through this manual. It contains valuable
information about your air conditioner. This manual may
help save time and money by explaining proper product
maintenance and preventing improper use.
PRECAUTIONS
Pay close attention to precautions in order to prevent
potential hazards and damage from misuse or improper
installation. LG is not responsible for any damages caused
by misuse of the product.
LG
P/No.: MFL62760202

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Summary of Contents for LG LB-B2156QC

  • Page 1 PRECAUTIONS Pay close attention to precautions in order to prevent potential hazards and damage from misuse or improper installation. LG is not responsible for any damages caused by misuse of the product. P/No.: MFL62760202...

  • Page 2: Table Of Contents

    OUT-LINE OF INSTALLATION Index Page No. 1.The following should be always observed for safety......Installation works Installation Parts Required tools 2. Installation of Indoor, Outdoor unit ............Selection of best location of indoor ..04 • Level Ceiling dimension & Hanging blot detail..05 •...

  • Page 3: The Following Should Be Always Observed For Safety

    1. The following should be always observed for safety • Please report to or take consent by the supply authority before connecting to the system. • Be sure to read "THE FOLLOWING SHOULD BE ALWAYS OBSERVED FOR SAFETY" before installing the air conditioner. •...

  • Page 4: Installation Of Indoor, Outdoor Unit

    2). Installation of indoor & Outdoor. A).Selection of the best location of Indoor Indoor unit Install the air conditioner in the location that satisfies the fol- lowing conditions. • The place shall easily bear a load exceeding four times the Inspection hole (600 x 600) indoor unit’s weight.

  • Page 5: Ceiling Dimension & Hanging Blot Detail

    B).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. • Apply a filter Accessory at air return hole. (Unit:mm) Dimension Capacity(Btu/h)

  • Page 6: Filter Convertible Option

    C).Filter convertible option. Air Filter Panel Rear Air outlet Panel Rear Air outlet Air Filter • Low static duct type in case of suction from back • Low static duct type in case of suction from bottom side. side. CAUTION 1.

  • Page 7: Drain Piping

    D). Drain Piping • Drain piping must have down-slope (1/50 to 1/100): be sure not to Upward Pipe clamp provide up-and-down slope to prevent reversal flow. routing • During drain piping connection, be careful not to exert extra force not allowed Indoor unit on the drain port on the indoor unit.

  • Page 8: Insulation Of The Piping & Drain

    HAND OVER Teach the customer the operation and maintenance procedures, using the operation manual. (air filter cleaning, temperature control, etc.) Standard Accessories Washer for Clamp Insulation for (Other) Clamp metal Name Drain hose hanging backet (Tie Wrap) fitting Quantity 1 EA 2 EA 8 EA 4 EA...

  • Page 9: Care And Maintenance

    Care and maintenance Caution: Before performing any maintenance, turn off the main power to the system. Indoor Unit  Never use any of the followings: Grille, Case, and Remote Control  Turn the system off before cleaning. To clean, • Water hotter than 40°C wipe with a soft, dry cloth.

  • Page 10: F) Out Door Unit Best Location & Piping

    Air outlet Air outlet vents Connection Pipe Connection Pipe vents Drain Hose Drain Hose Indoor Unit Model Capacity Indoor dimension Outdoor Dimnesion LB-B2156QC 1.5 TR 1180 LB-B2206QC 2 TR 1180 LB-B2256QC / LB-B2258QC 2.5 TR 1180 JB-B2156QC 1.5 TR 1180 JB-B2258QC 2.5 TR...
  • Page 11 >>Piping length and the elevation Pipi Sizes ( Dia In Inch) Length(A meter) Elevation(B meter) Additional Model Capacity Liquid standard standard Gas Charge LB-B2156QC 1.5 TR 1/2" 1/4" R-22 15gm LB-B2206QC 2 TR 5/8" 1/4" R-22 20gm LB-B2256QC/ 2.5 TR 5/8"...

  • Page 12: Connecting Pipes To The Indoor Unit

    3. Connecting Pipes to the Indoor Unit 3-1. Preparation of Piping Copper Main cause of gas leakage is defect in Slanted Uneven Rough tube flaring work. Carry out correct flaring work in the following procedure. 1) Cut the pipes and the cable. Use the accessory piping kit or the pipes purchased locally.
  • Page 13 6) Pipe bending Annealed copper pipe with small diameter (ø6.35 or ø9.52) can be easily bent manually. In this case, secure large R(radius) for the bend section and gradually bend pipe. If annealed copper pipe is large in diameter (ø12.7, ø15.88 or ø19.05), bend pipe with bender. Use bender appropriate for the pipe diameter.

  • Page 14: Liquid Side

    4. Connecting Pipes to the Outdoor Unit 1) Connecting the pipes to the Outdoor unit 1. Align the center of the pipingsand sufficiently tighten the flare nut with fingers. 2. Finally , tightenthe flare nut with torque wrenchuntilthe wrenchclicks. • When tightening the flare nut with torque Outdoor unit wrench, ensure the direction for tightening follows the arrow on the...
  • Page 15 Installation of IR Remote Sensor 1. Connect the IR sensor cable to the CN-DISPLAY connector of main PCB Assy. The IR sensor cable is connected as factory default. 2. Fix the rear side of the installation board with the screw. <Front side of <Rear side of installation board>...

  • Page 16: Connecting Cables Between Indoor Unit And Outdoor Unit

    • Capacity of circuit breaker Circuit Breaker Model Capacity 1 Phase 3 Phase Main power source LB-B2156QC 1.5 TR Circuit Breaker LB-B2206QC 2 TR LB-B2256QC 2.5 TR LB-B2258QC 2.5 TR JB-B2156QC 1.5 TR JB-B2258QC 2.5 TR...

  • Page 17: B) Wiring Diagram, Wiring Specification & Interconnection Detail

    B) Wiring Diagram Indoor Wiring Diagram : Model : LB-B2156QC / LB-B2206QC / LB-B2256QC / LB-B2258QC / LMA36B2ALI / LMA48B2ALI / LMA60B2ALI (R-22 Gas Charge Model) NOTE : Connect IR PCB Assy. at CN-DISP of PCB Assy. Outdoor Wiring Diagram :...
  • Page 18 Outdoor Wiring Diagram : Model : LMA36B2ALI (R-22 Gas Charge Model) OUTDOOR WIRING DIAGRAM CAP3 COMP . 1 MOTOR C WH CAP 1 COMP . 2 BK/BL BK/BL RD/BR RD/BR BK/BL RD/BR L1 N1 N2 L2 (1ø, 230V) TO INDOOR TO INDOOR (1ø, 230V) 3854A20298X...
  • Page 19 Indoor Wiring Diagram : Model : JB-B2156QC (R410 Gas Charge Model) NOTE: 1) For ANONE1 Model Suffix, CN-DISP is Optional. 2) For ANONE2 Model Suffix, WIRED REMOTE CONTROLLER & DRAIN PUMP is Optional. SENSOR SENSOR JUMPER ASSY. CN-PIPE/IN CN-POWER CN-VM RY-D/PUMP FUSE 250V 3.15A...
  • Page 20 Indoor Wiring Diagram : Model : JB-B2258QC (R410 Gas Charge Model) NOTE: 1) For ANONE1 Model Suffix, CN-DISP is Optional. 2) For ANONE2 Model Suffix, WIRED REMOTE CONTROLLER & DRAIN PUMP is Optional. SENSOR SENSOR JUMPER ASSY. CN-PIPE/IN CN-POWER CN-VM RY-D/PUMP FUSE 250V 3.15A...
  • Page 21 Connecting Cables between Indoor and Outdoor Unit 18/24/30K BTU/h Applied Model:- LB-B2156QC,LB-B2206QC,LB-B2256QC, JB-B2156QC. 1) Connecting cables to the Indoor Unit 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 ...
  • Page 22 Connecting Cables between Indoor and Outdoor Unit 30K BTU/h Applied Model:- JB-B2258QC / LB-B2258QC. 1) Connecting cables to the indoor Unit 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 ...
  • Page 23 Connecting Cables between Indoor and Outdoor Unit 36/48K BTU/h Applied Model:- LMA36B2ALI, LMA48B2ALI 1) Connecting cables to the Indoor Unit 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 ...
  • Page 24 Connecting Cables between Indoor and Outdoor Unit 60K BTU/h Applied Model:- LMA60B2ALI 1) Connecting cables to the indoor Unit 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 ...

  • Page 25: C) Outdoor Wire Routine & Pipe Routine

    C) Outdoor Wiring Routine and Pipe Routine Outdoor unit 1. Remove the Cover control from the unit by loosening a screw. Terminal block Connect the wires to the terminals on the control board individually as following. Cord Clamper 2. Secure the cable onto the control board with the holder (clamper).
  • Page 26 >> Piping Routine 1. Wrap the connecting portion of indoor unit with the Insulation material and secure it with two Plastic Bands. (for the right pipings) Seal a small opening • If you want to connect an additional drain around the pipings hose, the end of the drain-outlet should with gum type sealer.

  • Page 27: Air Purging Of The Connecting Pipes And The Indoor Unit

    7. Air Purging of the Connecting Pipes and the Indoor Unit The air which contains moisture remaining in the refrigeration cycle may cause a malfunction on the compressor. 1. Confirm that both the liquid side valve and the gas side valve are set to the closed position. 2.

  • Page 28: Operating Instructions

    8. Operating Instructions A) Indoor Unit, Outdoor Unit Wired Remote Wireless Remote Receiver & Controller COMP POWER Controller (Optional) TIMER FILTER (Standard) ON/OFF COMP POWER TIMER FILTER ON/OFF Signal Recepter Operation Indication Lamps Forced Operation : Use the ON/OFF button when remote control is not available. Signal Receptor : Receives the signal from remote control (signal receiving sound: one long beep) FILTER SIGN...

  • Page 29: B) Remote Control Preparation

    B) Remote Control Preparation...

  • Page 30: C) Remote Control Operations

    C) Remote Control Operations The remote control transmits the signals to the system. Features of the Remote Control- Door Closed Signal transmitter Signal transmitter A/SWING TEMP FAN SPEED MODE Flip-up door Flip-up door (closed) (closed) TYPE A TYPE B INDOOR FAN SPEED START/STOP BUTTON SELECTOR Operation starts when this button is...
  • Page 31 Features of the Remote Control- Door Opened Signal ON/OFF TIMER BUTTONS transmitter Used to set the time of starting and stopping operation. TIME SETTING BUTTONS Used to adjust the time, (See page 38) TIMER SET/CANCEL BUTTONS Used to set the timer when the desired time is obtained and to cancel the Timer operation.

  • Page 32: Cooling Operation

    Cooling operation Press the Start/Stop button. The unit will respond with a beep. Open the door of the remote controller. To select Cooling Operation, press the Operation Mode Selection button. Each time the button is pressed, the operation mode is shifted in the direction of the arrow.
  • Page 33 Auto operation (Optional) Press the Start/Stop button. The unit will respond with a beep. Open the door of the remote controller. To select Auto Operation, press the operation mode selection button. Each time the button is pressed, the operation mode is shifted in the direction of the arrow.

  • Page 34: Healthy Dehumidification Operation

    Healthy dehumidification operation Press the Start/Stop button. The unit will respond with a beep. Open the door of the remote controller. To select Healthy Dehumidification Operation, press the Operation Mode Selection button. Each time the button is pressed, the operation mode is shifted in the direction of the arrow.
  • Page 35 Heating operation (Heat pump model only) Press the Start/Stop button. The unit will respond with a beep. Open the door of the remote controller. To select Heating Operation, press the Operation Mode Selection button. Each time the button is pressed, the operation mode is shifted in the direction of the arrow.
  • Page 36 Jet cool operation (optional) Press the Start/Stop button. The unit will respond with a beep. Press the Jet Cool button to operate the speed cooling mode and the unit will operate at super high fan speed on cooling mode for 30 minutes. To cancel the Jet Cool mode, press the Jet Cool buttons, The fan speed button or the room temperature setting button again and the unit will operate at high fan speed...
  • Page 37 2nd F operation Press the Start/Stop button. The unit will respond with a beep. Open the door of the remote controller and press the 2nd CANCEL Function button to operate functions printed blue color under buttons. (Check the indication of 2nd function on the display of the remote controller.) A/SWING 2nd function disappears in a short time automatically or when...

  • Page 38: Setting The Time

    Additional Features SLEEP Sleep mode 1. Press the Sleep Mode Auto button to set the time you want the unit to stop automatically. 2. The Timer is programmed in one-hour increments by pressing the Sleep Mode Auto button 1 to 7 times. The sleep mode is available for 1 to 7 times.

  • Page 39: Air Circulation Mode

    Air circulation mode Circulates the room air without cooling or heating. 1. Press the Start/Stop button. the unit will respond with a beep. 2. Open the door on the remote control. Press the Air Circulation button. Close the door on the remote control. Now each time that you press the Indoor Fan Speed Selector button, the fan speed is shifted from low to CHAOS and back to low again.

This manual is also suitable for:

Lb-b2206qcLb-b2258qcLma36b2aliLma48b2aliLma60b2alJb-b2156qc ... Show all

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