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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.
TYPE : CEILING CONCEALED DUCT
Model : AB-W3067SA3 / AB-W3667SA3
P/NO : MFL62541003
www.lg.com
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Table of Contents
Related Manuals for LG AB-W3067SA3
Summary of Contents for LG AB-W3067SA3
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Page 1: Installation Manual
• 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. TYPE : CEILING CONCEALED DUCT Model : AB-W3067SA3 / AB-W3667SA3 www.lg.com P/NO : MFL62541003... -
Page 2: Tips For Saving Energy
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: •... -
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 • Do not install the product on a defective installation stand. - It may cause injury, accident, or damage to the product. • Be sure the installation area does not deteriorate with age. - If the base collapses, the air conditioner could fall with it, causing property damage, product failure, and personal injury.
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Page 5: Table Of Contents
TABLE OF CONTENTS TABLE OF CONTENTS TIPS FOR SAVING ENERGY FORMING THE PIPING IMPORTANT SAFETY REMOTE CONTROLLER INSTRUCTIONS INSTALLATION Point of remote controller installation INTRODUCTION Wired remote controller installation Features EXTERNAL STATIC PRES- INSTALLATION PLACES SURE & FLOW Indoor unit Outdoor unit TEST RUNNING Precaution in test running... -
Page 6: Introduction
INTRODUCTION INTRODUCTION Features Air outlet vents Air intake vents Remote Controller Air Intake Vents Side Rear Connecting Wires Drain Hose Air Outlet Vents Base Plate (Side) (Rear) Air intake vents Air outlet vents Control cover Connecting wire Piping Drain hose... -
Page 7: Installation Places
INSTALLATION PLACES INSTALLATION PLACES Indoor unit Outdoor unit - The place shall easily bear a load exceeding - If an awning is built over the unit to prevent four times the indoor unit’s weight. direct sunlight or rain exposure, make sure that heat radiation from the condenser is not - The place shall be able to inspect the unit as restricted. -
Page 8: The Indoor Unit Installation
THE INDOOR UNIT INSTALLATION THE INDOOR UNIT INSTALLATION Case2 Indoor unit installation Position of Console Bolt • Installation of Unit Install the unit above the ceiling correctly. - A place where the unit will be leveled and that can support the weight of the unit. - A place where the unit can withstand its Case1 vibration. - Page 9 THE INDOOR UNIT INSTALLATION - Insert the set anchor and washer onto the suspension bolts for locking the suspension bolts on the ceiling. - Mount the suspension bolts to the set anchor firmly. - Secure the installation plates onto the suspension bolts (adjust level roughly) using nuts, wash- ers and spring washers.
- Page 10 THE INDOOR UNIT INSTALLATION Caution for gradient of unit and Safety drain drain piping - There is no need to provide a trap for the safty drain. If the safty drain pipe is connect- Lay the drain hose with a downward inclina- ed to the main drain pipe, make the connec- tion so water will drain out.
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Page 11: Insulation, Others
THE INDOOR UNIT INSTALLATION Insulation, others Test and check * After all workings are finished, check the Insulate the joint and tubes completely. working and operation. Thermal insulation : All thermal insulation - Air distribution : Is the air circulation good? must comply with local requirement. -
Page 12: Piping Length And The Elevation
PIPING LENGTH AND THE ELEVATION PIPING LENGTH AND THE ELEVATION Pipe Size *Additional Length A(m) Elevation B(m) Capacity mm(inch) refriger- (Btu/h) ant(g/m) Liquid Standard Max. Standard Max. 30 k 15.88(5/8) 9.52(3/8) 36 k 15.88(5/8) 9.52(3/8) Outdoor unit Indoor unit Outdoor unit Indoor unit CAUTION •... -
Page 13: Connecting Pipes
CONNECTING PIPES CONNECTING PIPES Preparation of Piping Flare nut Main cause of gas leakage is defect in flaring work. Carry out correct flaring work in the fol- Copper tube lowing procedure. Cut the pipes and the cable. - Use the accessory piping kit or the pipes pur- chased locally. -
Page 14: Connecting The Pipings To The Indoor Unit
CONNECTING PIPES Connecting the pipings to the Connecting the pipes to the indoor unit and drain hose to Outdoor unit drain pipe Connecting the pipes to the Outdoor unit - Align the center of the pipings and sufficient- - Align the center of the pipings and sufficient- ly tighten the flare nut by hand. -
Page 15: Leakage Test And Evacuation
LEAKAGE TEST AND EVACUATION LEAKAGE TEST AND EVACUATION Air and moisture remaining in the refrigerant CAUTION system have undesirable effects as indicated below. To avoid nitrogen entering the refrigerant - Pressure in the system rises. system in a liquid state, the top of the cylinder must be higher than its bottom - Operating current rises. -
Page 16: Evacuation
LEAKAGE TEST AND EVACUATION Evacuation Indoor unit Connect the charge hose end described in the preceding steps to the vacuum pump to evacuate the tubing and indoor unit. Confirm the "Lo and Hi" knob of the mani- fold valve is open. Then, run the vacuum pump. -
Page 17: Wiring Connection
WIRING CONNECTION WIRING CONNECTION Electrical Wiring Outdoor unit - Remove the control cover for wiring connec- - All wiring must comply with local require- tion. ments. - Use the cord clamper to fix the cord. - Select a power source that is capable of sup- plying the current required by the air condi- - Earthing work tioner. -
Page 18: Connecting Cables To The Indoor Unit
WIRING CONNECTION Connecting cables to the Clamping of cables Indoor Unit - Arrange two power cables on the control panel. - Connect the wires to the terminals on the - First, fasten the clamp with a screw to the control board individually according to the inner boss of control panel. -
Page 19: Connecting The Cable To The Outdoor Unit
WIRING CONNECTION Connecting the cable to the Outdoor Unit - Remove th cover control or the side panel from the unit by loosing screws. Connect the wires to the terminals on the control board individually as previous page. - Secure the cable onto the control board with the holder (clamper). - Refix the cover control to the original position with the screw. -
Page 20: Forming The Piping
Plastic band FORMING THE PIPING FORMING THE PIPING Form the piping by wrapping the connect- In cases where the Outdoor unit is installed ing portion of the indoor unit with insula- above the Indoor unit perform the follow- tion material and secure it with two kinds ing. -
Page 21: Remote Controller Installation
REMOTE CONTROLLER INSTALLATION REMOTE CONTROLLER INSTALLATION Point of remote controller Put the installation paper on the place and determine the position and height of the fixing installation screws of the deluxe wired remote controller. - Refer to the printed side of the installation - Although the room temperature sensor is in paper. -
Page 22: Wired Remote Controller Installation
REMOTE CONTROLLER INSTALLATION Wired 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. -
Page 23: External Static Pressure & Flow
EXTERNAL STATIC PRESSURE & FLOW EXTERNAL STATIC PRESSURE & FLOW External Static Pressure(Pa) (Low (High Model Step EPS) EPS) (Capacity) Hi (32 CMM) 30 kBtu/h Med(26 CMM) Low(20 CMM) Hi (42 CMM) 36 kBtu/h Med(36 CMM) Low(28 CMM) NOTE Capacities are tested in the following conditions. Temperaure(°C DB/°C WB) Static Voltage... -
Page 24: Test Running
TEST RUNNING TEST RUNNING Precaution in test running Connection of power supply - The initial power supply must provide at least Connect the power supply cord to the 90% of the rated voltage. independent power supply. Otherwise, the air conditioner should not be - Circuit breaker is required. - Page 25 TEST RUNNING 8) Never fail to equip a leakage breaker where it is wet or moist. 9) The following troubles would be caused by voltage drop-down. - Vibration of a magnetic switch, dam- age on the contact point there of, fuse breaking, disturbance to the nor- mal function of a overload protection device.
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Page 26: Self-Diagnosis Function
SELF-DIAGNOSIS FUNCTION SELF-DIAGNOSIS FUNCTION Indoor Unit Error Ex) Error 03 (Remote controller error) 3 Times 3 Times 3 Times LED02G (GREEN) 2 Sec. 2 Sec. LED 1 LED 2 Indoor Description Error Code (Red) (Green) status 1time ◑ Indoor Room sensor error 2times ◑... -
Page 27: Outdoor Unit Error
SELF-DIAGNOSIS FUNCTION Outdoor Unit Error Ex) Error 21 (DC Peak) 2 Times 2 Times 2 Times LED01G (RED) 1 Sec. 1 Sec. 1 Sec. 1 Time 1 Time 1 Time LED02G (GREEN) 2 Sec. 2 Sec. LED 1 LED 2 Indoor Error Code Description... -
Page 28: Dip Switch Setting
DIP SWITCH SETTING DIP SWITCH SETTING 2 3 4 5 6 7 8 Indoor PCB Indoor PCB Indoor PCB Function Description Setting Off Setting On Default Communication Between SW1 Communication Communication Communi- Indoor & Outdoor cation Cycle Cooling or Heating Model Selection of Master or SW3 Group Control Master... -
Page 29: Accessory Installation Guide
ACCESSORY INSTALLATION GUIDE ACCESSORY INSTALLATION GUIDE Dry Contact(Only AC 24V) - Fix dry contact on the indoor control box Indoor PCB cover. - Connect dry contact(CN-CC) to Indoor Control box PCB(CN-CC) with cable provided. - Use the DC line hole when connecting the cable to indoor PCB.(Figure 2). -
Page 30: Pi485
ACCESSORY INSTALLATION GUIDE PI485 - Separate AC line and DC line when connecting the cable to outdoor PCB. - Tie the cables with the wraps and clamps after intalling dry contact. - Refer to PI485 installation manual for detailed installation method. CN_PWR(AC) Centroller Centroller... -
Page 31: Rf Remote Controller
ACCESSORY INSTALLATION GUIDE RF Remote Controller - Connect Indoor PCB(CN-DISPLAY) to RF Double coated remote controller with the cable provided. Indoor PCB tape RF remote - Use the DC line hole when connecting the controller Control box cable to Indoor PCB. - Fix the RF remote controller with adhesive tape at your desired location. -
Page 32: Damper Controller
ACCESSORY INSTALLATION GUIDE Damper Controller • Open the cover of indoor unit control box and damper controller(Figure 1) • Assemble the damper controller to cover which is seperated. • Connect the lead wires between main PCB and damper controller.(Figure 2) •... -
Page 33: Remote Temperature Sensor
ACCESSORY INSTALLATION GUIDE Remote Temperature Sensor - After deciding where the remote temperature sensor is installed, decide the location and height of the fixing screws. (Interval between the screws : 60mm). - After removing the control box cover of the indoor unit, Fixing 60mm screws... -
Page 34: Two Wired Remote Controller
ACCESSORY INSTALLATION GUIDE Two wired remote controller - All wired remote controllers are displayed on identical information. - Last used wired romote controller has priority on product's movement. - Set one wired remote controller as master,the others as slave.<Figure 1> - The thermistor mode is operated by the wired remote controller set as "master"... -
Page 35: Simple Contact
ACCESSORY INSTALLATION GUIDE Simple Contact - It can be used to turn the unit On/Off after getting the signal from external sources like timer, key-in lock etc. - This function is similar to the dry contact, but need to no additional accessory. - Open the cover of indoor unit control box, connect the external source to the terminal block. -
Page 36: Installation Guide At The Seaside
INSTALLATION GUIDE AT THE SEASIDE INSTALLATION GUIDE AT THE SEASIDE In case, to install the outdoor unit on the CAUTION seaside, set up a windbreak not to be exposed to the sea wind. • Air conditioners should not be installed in areas where corrosive gases, such as acid or alkaline gas, are produced.