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The Indoor Unit Installation

Installation Manual

13

ENGLISH

1 Set anchor

Old building

New building

2 Plate washer
3 Spring washer

4 Nut

5 Suspension
bolts

CAUTION: Tighten the nut and bolt
to prevent unit falling.

• Select and mark the position for fixing

bolts.

• Drill the hole for set anchor on the face

of ceiling.

• 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, washers and spring
washers.

• Local supply

①

Set anchor

②

Plate washer

- M10

③

Spring washer

- M10

④

Nut

- W3/8 or M10

⑤

Suspension bolt

- W3/8 or M10

1,MFL67855401,영영 2017. 6. 29. 영영 1:50 Page 13

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Summary of Contents for UU09W ULD

Page 1: ...ual for future reference after reading it thoroughly Ɠ This product contains Fluorinated Greenhouse Gases R410A Representative LG Electronics Inc EU Representative LG Electronics European Shared Service Center B V Krijgsman 1 1186 DM Amstelveen The Netherlands Manufacturer LG Electronics Inc Changwon 2nd factory 84 Wanam ro Seongsan gu Changwon si Gyeongsangnam do KOREA P NO MFL67855401 ITALIANO E...

Page 2: ...ional operation 43 Connecting cable Four Type A Screw Hanging Bolt W 3 8 or M10 length 650mm Pipes Gas side Liquid side Insulated drain hose Additional Drain hose Inner Dia Cassette type 32mm Duct type 25mm Additional drain pipe Convertible type Outer diameter 15 5mm Level Screw driver Electric drill Hole core drill ø70mm Flaring Tools set Torque Wrenches Hexagonal Wrench 4mm 5mm Gas leak detector...

Page 3: ...autions Always perform grounding Otherwise it may cause electrical shock Don t use a power cord a plug or a loose socket which is dam aged Otherwise it may cause a fire or electrical shock For installation of the product always con tact the service center or a professional instal lation agency Otherwise it may cause a fire electrical shock explosion or injury Securely attach the electrical part co...

Page 4: ...Keep the flames away Otherwise it may cause a fire n Operation Use caution when unpacking and installing Sharp edges may cause injury 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 Ensure that an installation frame o...

Page 5: ...ctrical shock Hold the plug by the head when taking it out It may cause electric shock and damage Never touch the metal parts of the unit when removing the filter They are sharp and may cause injury Do not step on the indoor outdoor unit and do not put anything on it It may cause an injury through dropping of the unit or falling down Do not place a heavy object on the power cord Otherwise it may c...

Page 6: ...afely at a place that can sufficiently endure the weight of the product If the strength is not sufficient the product may fall and cause injury n Operation Avoid excessive cooling and perform ventilation sometimes Otherwise it may do harm to your health Use a soft cloth to clean Do not use wax thinner or a strong detergent The appearance of the air conditioner may deteriorate change color or devel...

Page 7: ...ht The place shall be able to inspect the unit as shown the figure The place where the unit shall be leveled The place shall allow easy water drainage Suitable dimension H is necessary to get a slope to drain as figure The place shall easily connect with the outdoor unit The place where the unit is not affected by an electrical noise The place where air circulation in the room will be good There s...

Page 8: ...ce where noise and vibration are minimum Select a place so that the warm air and noise from the air conditioner do not disturb neighbors Place that can sufficiently endure the weight and vibration of the outdoor unit and where even installation is possible Place that has no direct influence of snow or rain Place with no danger of snowfall or icicle drop Place without weak floor or base such as dec...

Page 9: ...acity is based on standard length and maximum allowance length is on the basis of reliability Improper refrigerant charge may result in abnormal cycle MODEL Pipe Size Diameter Ø Length A m Elevation B m Additional refrigerant g m Gas Liquid Standard Max Standard Max AUUW096D UU09W ULD 3 8 9 52mm 1 4 6 35mm 7 5 15 5 10 20 AUUW126D UU12W ULD 3 8 9 52mm 1 4 6 35mm 7 5 15 5 10 20 AUUW186D UU18W UED 1 ...

Page 10: ...it may not suck oily steam 2 Avoid installng air conditioner in such places where cooking oil or iron powder is generated 3 Avoid places where inflammable gas is generated 4 Avoid place where noxious gas is generated 5 Avoid places near high frequency generators NOTICE CAUTION This air conditioner uses a drain pump Install the unit horizontally using a level gauge During the installation care shou...

Page 11: ...m Open the ceiling board along the outer edge of the paper model Flat washer for M10 accessory Hanging bolt W3 8 or M10 Nut W3 8 or M10 Nut W3 8 or M10 Spring washer M10 Air Conditioner body The following parts is option Hanging Bolt W 3 8 or M10 Nut W 3 8 or M10 Spring Washer M10 Plate Washer M10 CAUTION Tighten the nut and bolt to prevent unit falling Drill the piping hole on the wall slightly t...

Page 12: ...Accessory at air return hole Install the unit leaning to a drainage hole side as a figure for easy water drainage 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 vibration A place where service can be easily performed CASE 1 POSITION OF SUSPENSION BOLT CASE 2 POSITION OF CONSOLE BOLT Unit mm A B C D E F G H I 18k Btu h 932...

Page 13: ...he hole for set anchor on the face of ceiling 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 washers and spring washers Local supply Set anchor Plate washer M10 Spring washer M10 Nut W3 8 or M10 Susp...

Page 14: ...d inclination 1 50 to 1 100 Prevent any upward flow or reverse flow in any part 10mm or thicker formed thermal insulator shall always be provided for the drain pipe Install the P Trap or U Trap to prevent a water leakage caused by the blocking of intake air filter Applied U Trap Dimension 1 Install declination of the indoor unit is very important for the drain of the duct type air conditioner 2 Mi...

Page 15: ...th left and right side Detach the Inlet Grille from the Indoor Unit 1 Installation on the ceiling Measure and mark the position for the Suspension bolts and the piping hole Drill the hole for anchor nut on the ceiling Before secure the Installation Plates select the bent direction of the Installion Plate to the inside or the outside according to the installation circumstances Drill the piping hole...

Page 16: ...lower slot of Installation Plates Adjust a level with a level gauge on the direction of left right back forth by adjusting suspension bolts Move the hooks on the unit to the upper slot of Installation Plates Then the unit will be declined to the bottomside so as to drain well Washer Nut Suspension bolts Ceiling Anchor nut Suspension bolts Spring washer Max 12mm Washer Nut 1 2 Suspension bolt Insta...

Page 17: ...ness of the insulation for the connecting pipe shall be 7mm 3 If the Installation Plates are fixed to horizontal line the indoor unit after installing will be declined to the bottomside The unit must be horizontal or declined to the drain hose connected when finished installation The unit must be declined to the bottomside of the unit when finished installation Side of view Front of view 1 MFL6785...

Page 18: ...t Grille Hook to the cabinet Hang the Inlet Hanger to the screw Fit the projection hooks of the side plates to the Side Panel and the Front Panel by lifting it Fasten the screws R R R 1 2 R Inlet hanger Hook Cabinet Bottom The Indoor Unit Installation 1 MFL67855401 영영 2017 6 29 영영 1 50 Page 18 ...

Page 19: ... on the wall Drill the piping hole on the wall slightly tilted to the outdoor side using a ø70 hole core drill Secure the Install Plate onto the wall with four anchor bolts washers and spring washers Before secure the Install Plates select the bent direction of the Install Plate to the inside or outside according to the installation circumstances 1076 more than 260 265 Washer Nut Wall Anchor nut S...

Page 20: ...late Secure the unit to the Installation Plate with four M8 bolts and washers Hook up the Inlet Grille Hook to the cabinet Hang the Inlet Hanger to the screw Fit the projection hooks of the side plates to the Side Panel and the Front Panel by lifting it Fasten the screws R 2 1 Inner slot The Indoor Unit Installation 1 MFL67855401 영영 2017 6 29 영영 1 50 Page 20 ...

Page 21: ...ackets Engage the slot at the back of the unit with Mount Bracket Drill the piping hole with 70mm dia hole core drill Piping hole should be slightly slant to the outdoor side After Installing reassemble detached parts Hang the Inlet Grille and hook the Inlet Hanger to the Hanger Screw Assemble the Side Plates R L with 2 screws on both left and right side Floor mount bracket Slot Floor mount bracke...

Page 22: ...ion then cover side is separated 2 Pick the pipe hole of the side cover CAUTION After removing the pipe hole cut the burr for safety When making pipe path through rear wall you don t need to pick the pipe hole Drain hose junction 1 Remove the rubber stopple in the desired drain direction 2 Insert drain hose into the handle of drain pan and join drain hose and connecting hose according to the figur...

Page 23: ...ch bolts length should be same Measure and mark the position for the Suspension bolts and the piping hole Drill the hole for anchor nut on the ceiling Insert the nuts and washer onto the suspension bolts for locking the suspension bolts on the ceiling Mount the suspension bolts to the anchor nuts firmly Secure the hangers onto the Suspension bolts adjust level roughly using nuts washers and spring...

Page 24: ...od case For left piping Follow the instruction below 1 Press on the upper side of clamp Ⓐ 2 Unfold the tubing to downward slowly Ⓑ 3 Bend the tubing to the left side of chassis Bad case 1 Following bending type from right to left could cause problem of pipe damage 1 MFL67855401 영영 2017 6 29 영영 1 50 Page 24 ...

Page 25: ...re is a reclamation box Install the product so as not to make a gap with the wall side and to prevent shaking after the installation 2 Can set up Wired remote controller cable into three directions Setup direction the surface of wall reclamation upper right If setting up remote controller cable into upper and right side please set up after removing remote controller cable guide groove h Remove gui...

Page 26: ... below and then connect with setup board by pressing lower part Please connect not to make a gap at the remote controller and setup board s upper and lower right and left part Before assembly with the installation board arrange the Cable not to interfere with circuit parts When separating remote controller from setup board as the picture below after inserting into the lower separating hole using s...

Page 27: ...oard CN REMO The maximum length of the cord is 100m If the length of the cord exceeds 50m use a wire size greater than 0 5mm2 Remote controller CN REMO Remote control box body Lever carefully the box open using a screw driver etc Front case The lower part Face of wall Upper notch Upper flange Under plate Remote control cord Remote control unit Tapping screw Local supply Lower notch Face of wall Up...

Page 28: ... same type 2 If the system is not to be used for a long time remove the batteries to save their working life 3 If the display screen of remote controller starts fading replace both of the batteries NOTICE 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 mai...

Page 29: ...POWER INPUT The power cord connected to the outdoor unit should be complied with the following specifications This equipment shall be provided with a cord set complying with the national regulation The connecting cable connected to the indoor and outdoor unit should be complied with the following specifications This equipment shall be provided with a cord set complying with the national regulation...

Page 30: ...o the control board with the holder clamper 3 Refix the cover control to the original position with the screw 4 Use a recongnized circuit breaker between the power source and the unit A disconnection device to adequately disconnect all supply lines must be fitted CAUTION The circuit diagram is not subject to change without notice Be sure to connect wires according to the wiring diagram Connect the...

Page 31: ... units than put them on pipe tube having completed burr removal Not possible to put them on after flaring work 4 Flaring work Carry out flaring work using dedicated flaring tool for R 410A as shown below Firmly hold copper tube in a bar or die as indicated dimension in the table above 5 Check Compare the flared work with figure below If flare is noted to be defective cut off the flared section and...

Page 32: ... there is gas leakage in indoor and outdoor connection After completing the piping connection execute vacuum drying for the connecting piping and the indoor unit The vacuum drying must be carried out using the service ports of both the liquid and gas side valves CAUTION Use two wrenches and tighten with regular torque Outdoor unit Liquid side Flare connection Flare connection Gas side Indoor unit ...

Page 33: ...er Air conditioner unit Decoration panel Control box cover Inlet Grille The decoration panel has its installation direction Before installing the decoration panel always remove the paper template Installation to Decorative Panel Air conditioner unit Ceiling board Decoration panel Decoration panel Fit the insulator this part and be careful for cool air leakage Good example Air Cool air leakage no g...

Page 34: ...e drain piping Install the drain raising pipes at a right angle to the indoor unit and no more than 300mm from the unit Maintenance drain port Upward routing not allowed Pipe clamp Indoor unit 700 or less 1 1 5m 300mm or less Flexible drain hose Clamp metal attached Drain hose attached Drain raising pipe Piping material Polyvinyl chloride pipe VP 25 and pipe fittings Heat insulation material Polye...

Page 35: ...e main drain pipe to the exterior and leave it provisionally until the test comes to an end Feed water to the flexible drain hose and check the piping for leakage Be sure to check the drain pump for normal operating and noise when electrical wiring is complete When the test is complete connect the flexible drain hose to the drain port on the indoor unit Feed water Drain Pump Drain pan Flexible dra...

Page 36: ...in hose of the indoor unit without any leakage and goes out the drain exit Drain piping 1 The drain hose should point downward for easy drain flow 2 Do not make drain piping like the following Downward slope Do not raise Accumulated drain water Tip of drain hose dipped in water Air Waving Water leakage Water leakage Ditch Less than 50mm gap Water leakage Indoor Unit Drain Piping 1 MFL67855401 영영 2...

Page 37: ...n ceiling atmosphere Indoor unit Thermal insulator accessory Fastening band accessory Refrigerant piping Heat insulation Forming the piping Form the piping by wrapping the connecting portion of the indoor unit with insulation material and secure it with two kinds of vinyl tape If you want to connect an additional drain hose the end of the drain outlet should be routed above the ground Secure the d...

Page 38: ...itted to the hose secure the unit with an anti vibration rubber Seal a small opening around the pipings with gum type sealer Trap 1 Open the top cover of outdoor unit 2 Set the ZONE SW1 SW01N as below Fig 3 Close the top cover and check whether the product works normally 1 Open the top cover of outdoor unit 2 Select one of the two selectable modes as follows 3 Move the Slide swithc to LONG positio...

Page 39: ...nder to the service port with charge hoses to the manifold gauge 6 Pressurize the system to no more than 551 P S I G with dry nitrogen gas Close the nitrogen cylinder valve when it shows reading of 551 P S I G Lo Hi Indoor unit Outdoor unit Manifold valve Charge hose Nitrogen gas cylinder in vertical standing position Pressure gauge CAUTION To avoid nitrogen entering the refrigerant system in a li...

Page 40: ...ired vacuum is reached close the Lo knob of the manifold valve and stop the vacuum pump Indoor unit Outdoor unit Lo Hi Manifold valve Vacuum pump Open Close Vaccum gauge 3 Once the desired vacuum is created Disconnect the vacuum pump and open the liquid side valve stem by turning it to counter clockwise direction with service valve wrench 4 Open completely the gas side valve by turning to counter ...

Page 41: ...m temperature outside temperature suction temperature blow out temperature wind velocity wind volume voltage current presence of abnormal vibration and noise operating pressure piping temperature compressive pressure As to the structure and appearance check following items 2 Connection of power supply 1 Connect the power supply cord to the independent power supply Circuit breaker is required 2 Ope...

Page 42: ...e rated voltage marked on the name plate 7 Confirm that the cable thickness is as specified in the power sources specification Particularly note the relation between cable length and thickness 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 damage on the contact point there of fuse breakin...

Page 43: ...ntroller sensor 3 Move the slide switch to set position 4 Close the rear cover and check if it works normally CAUTION Select the position after counselling with a customer In case of cooling mode room temperature is controlled by the main body sensor To control the room temperature by a wired remote controller install controller room temp sensor to sense the temperature more accurately Manufacture...

Page 44: ...ing to the opening Closing of dampers 3 Position V L Minimum E S P setting Fan speed is varied according to the state of dampers by micom Maximum 24k 6mmAq Minimum 0mmAq 3 Move the slide switch to set position 4 Close the rear cover and check if it works normally CAUTION Select the position after checking duct work and E S P of the unit Maunfactured in the position F H 3 E S P External Static Pres...

Page 45: ... AUTO JET Heater Defrost Filter Humidify Out door Timer On Set no Time Off 01 03 05 07 09 11 13 15 17 19 21 23 1 3 4 FAN SPEED HI 2 Timer 1 2 3 5 4 Timer Procedure of RPM change Ex External Static pressure is 4mmAq for 18k To protect the unit compressor is designed to be off during E S P setting Push the On Off button The unit will start Push the Timer and Wind button simultaneously for more then ...

Page 46: ...door unit on the opposite side of the sea wind direction 2 In case to install the outdoor unit on the seaside set up a windbreak not to be exposed to the sea wind 3 Place with fluent water draining Install at a place with fluent water draining to prevent damage from localized heavy rain and avoid frequent flooded area 1 If you can t meet above guide line in the seaside installation please contact ...

Page 47: ...of the hazard and risk Model Designation Airborne Noise Emission Limiting concentration is the limit of Freon gas concentration where immediate measures can be taken without hurting human body when refrigerant leaks in the air The limiting concentration shall be described in the unit of kg m3 Freon gas weight per unit air volume for facilitating calculation n Calculate refrigerant concentration Re...

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