LG A3UQ24GFD0 Installation Manual Download Page 34 | Manualshive

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3

4

FUNCTION

ENGLISH

18/26k

40/48/54k

30 / 36k

DIP-SW

SW01N

DIP S

W

2

Forced Cooling Operation

Adding the refrigerant in winter.

Setting Procedure

1

Set the Dip Switch as follow after shutting
the power source down.

2

Reset the power.

3

Check that the Red LED of PCB is on dur-
ing work.
(The indoor unit is operated by force.)

4

Add the specific amount of refrigerant.

- When the green LED of PCB is on,

compressor is going to be off because
of low pressure.

- You should return the Dip Switch to

operate normally after finishing the
operation.

CAUTION

!

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Summary of Contents for A3UQ24GFD0

Page 1: ...ion 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 MULTI ENGLISH ESPAÑOL PORTUGUESE ...

Page 2: ...uality may deteriorate if the air condition er is used for many hours Clean the air filter once every 2 weeks Dust and impurities collected in the air filter may block the air flow or weaken the cooling dehumidifying functions For your records Staple your receipt to this page in case you need it to prove the date of purchase or for warranty purposes Write the model number and the serial number her...

Page 3: ...and cause the safety limit to be exceeded Hazards due to lack of oxygen in the room could result Installation Do not use a defective or underrated circuit breaker Use the correctly rated breaker and fuse There is risk of fire or electric shock For electrical work contact the dealer seller a qualified electrician or an Authorized Service Center Do not disassemble or repair the product by yourself T...

Page 4: ...t There is risk of fire Do not use the product in a tightly closed space for a long time Perform ventilation regularly Oxygen deficiency could occur and hence harm your health Do not open the front grille of the product during operation Do not touch the electrostatic filter if the unit is so equipped There is risk of physical injury electric shock or product failure If strange sound smell or smoke...

Page 5: ...old burn Do not tilt the unit when removing or uninstalling it The condensed water inside can spill Do not mix air or gas other than the specified refrigerant used in the system If air enters the refrig erant system an excessively high pressure results causing equipment damage or injury If the refrigerant gas leaks during the installation ventilate the area immediately Otherwise it can be harmfull...

Page 6: ...stallation 22 Installation of The Main Unit 23 CONNECTING THE CABLE BETWEEN INDOOR UNIT AND OUTDOOR UNIT 23 Connect the cable to the Indoor unit 24 Connect the cable to the Outdoor unit 26 Connection of Wiring 27 CHECKING THE DRAINAGE AND FORM ING THE PIPINGS 27 Checking the Drainage 28 Forming the Piping 29 AIR PURGING AND EVAC UATION 29 Checking method 30 Evacuation 31 INSTALLATION PI485 32 TEST...

Page 7: ... Multi meter Hexagonal wrench Ammeter Gas leak detector Thermometer Level Flaring tool set Name Name Quantity Shape Installation plate 1 EA Type A screw 5 EA Type B screw 2 EA Type C screw 2 EA Remote control holder 1 EA The feature can be changed according a type of model SC SB Installation Parts Installation Tools INSTALLATION ...

Page 8: ... plants in the path of the warm air 4 Take the air conditioner weight into account and select a place where noise and vibration are minimum 5 Select a place so that the warm air and noise from the air conditioner do not dis turb neighbors If the outdoor unit is installed on a roof struc ture be sure to level the unit Ensure the roof structure and anchoring method are adequate for the unit location...

Page 9: ...cation of the installation plate routing of the wiring to power outlets is through the walls typically Drilling the hole through the wall for piping connections must be done safely Type 1 Type 2 Installation Plate Chassis Type A Screws Installation Plate Chassis Hook Type A Screws Indoor Type Capacity kBtu h Type Wall mounted ART COOL Mirror 9 12 1 18 24 2 Ø70 Ø70 133 95 Right rear piping Left rea...

Page 10: ...n the basis of relia bility If outdoor unit is at higher elevation than the indoor units after 24m of vertical height 1 oil trap is required CAUTION 18 30 25 15 7 5 26 60 25 15 7 5 30 70 25 15 7 5 36 75 25 15 7 5 48 85 25 15 7 5 Capacity kBtu h Total Length Max Length A B Max Elevation h1 In In Elevation h2 40 135 55 80 15 30 15 48 145 55 90 15 30 15 54 145 55 90 15 30 15 Capacity kBtu h Total Len...

Page 11: ... m CF Correction Factor x 100 CF Max number of connectable indoor unit Total number of connected indoor unit Total main pipe A B C 30m Each branch pipe a 10m b 8m c 5m d 3m e 10m Additional Charge 30 5 x 50 10 5 x 20 8 5 x 20 5 5 x 20 3 5 x 20 10 5 x 20 7 5 x 100 1 270g A Ex Distributor type Model 1Ø 40kBtu h A B C a b c 7k 9k 9k d e 9k 18k Model Main Piping length Branch piping length Standard le...

Page 12: ...tion to the surface of the wall Upper part guide groove Right part guide groove 3 Please fix remote controller upper part into 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 and setup board s upper and lower right and left part When separating remote controll...

Page 13: ...n the wall It can cause damage in the temperature sensor Do not install the cable to be 50m or above It can cause communication error When installing the extension cable check the connecting direction of the connector of the remote controller side and the product side for correct installation If you install the extension cable in the opposite direction the connector will not be con nected Specific...

Page 14: ...oller about 5ft 1 5m above the floor in an area with good air circulation at an average temperature Do not install the remote controller where it can be affected by Drafts or dead spots behind doors and in corners Hot or cold air from ducts Radiant heat from sun or appliances Concealed pipes and chimneys Uncontrolled areas such as an outside wall behind the remote controller This remote controller...

Page 15: ...opper tube pipe in a downward direction as you remove burrs in order to avoid dropping burrs into the tubing Putting nut on Remove flare nuts attached to indoor and outdoor unit then put them on pipe tube having completed burr removal not possible to put them on after flaring work Flaring work Carry out flaring work using flaring tool as shown below Firmly hold copper pipe in a bar in the dimensio...

Page 16: ... Be sure that the drain hose is located at the lowest side of the bundle Locating at the upper side can cause drain pan to overflow inside the unit Inclined Inside is shining without scratches Smooth all round Even length all round Surface damaged Cracked Uneven thickness Improper ﬂaring Drain hose Drain hose Connecting pipe Connecting cable Tape Drain hose Connecting pipe Connecting cable Tape Dr...

Page 17: ...re nut with a wrench When extending the drain hose at the indoor unit install the drain pipe Wrap the insulation material around the con necting portion Overlap the connection pipe insulation mate rial and the indoor unit pipe insulation materi al Bind them together with vinyl tape so that there is no gap Wrap the area which accommodates the rear piping housing section with vinyl tape Outside diam...

Page 18: ...onnecting pipe order 1 ROOM A E gas side pipe 2 ROOM A E liquid side pipe Finally tighten the flare nut with torque wrench until the wrench clicks When tightening the flare nut with torque wrench ensure the direction for tightening fol lows the arrow on the wrench Wrap with vinyl tape Drain hose Pipe Vinyl tape wide Ø12 7 1 2 inch Connector Outdoor unit Main gas side valve Main liquid side valve G...

Page 19: ...m entering Figure3 Plug the pipe through holes with putty or insulation material procured locally to stop up all gaps as shown in the figure 3 Insects or small animals entering the outdoor unit may cause a short circuit in the electrical box Outdoor unit Continuous Forward Sideways Backward Knock out Base pan Downward Gas side piping Bigger Dia Liquid side piping Smaller Dia Putty or insulating ma...

Page 20: ...gas pipe joints Insulator included with kit Insulator for ﬁeld piping Tape ﬁeld supply Ⓐ To Outdoor Unit Ⓑ To BD Unit Ensure that the branch pipes are attached horizontally or vertically see the diagram below Branch pipe should be insulated with the insulator in each kit Model Gas Pipe Liquid Pipe PMBL3620 Ø15 88 Ø15 88 Ø15 88 Ø9 52 Ø9 52 Ø9 52 unit mm Branch ...

Page 21: ...iagram below for both ceiling suspended installation and wall mounted installation This unit does not require drain treatment as it uses internal foam treatment as low pressure piping insulation Service direction is the side B and C The piping for the indoor unit may be led around in direction A The inclination of side B must be within 5 degrees forward or back or to the sides 50 30 111 B C 50 50 ...

Page 22: ...r installing the hang er Screws M5 Screws M5 locally procude locally procude Screws M5 locally procude PE P E BD unit Six sided Nut Six sided Nut M10 or M8 M10 or M8 Six sided Nut M10 or M8 Hanger metal Hanger metal Hanger metal Flat washer Flat washer Flat washer Hanging bolt Hanging bolt Hanging bolt M10 or M8 15 00 NOTE This unit has two different installation types 1 Ceiling suspended type and...

Page 23: ...he wiring diagram Connect the wires firmly so that not to be pulled out easily Connect the wires according to color codes by referring the wiring diagram CAUTION CONNECTING THE CABLE BETWEEN INDOOR UNIT AND OUTDOOR UNIT The power cord connected to the outdoor unit should be complied with the following speci fications Cable type approved by HAR or SAA The power connecting cable connected to the ind...

Page 24: ...burn out of the wires 3 Specification of power source 4 Confirm that electrical capacity is sufficient 5 See to that the starting voltage is maintained at more than 90 percent of the rated volt age marked on the name plate 6 Confirm that the cable thickness is as specified in the power source specification Particularly note the relation between cable length and thickness 7 Do not install an earth ...

Page 25: ...wn in the figure below For wiring use the designated power wire and connect firmly then secure to prevent outside pressure being exerted on the terminal block Use an appropriate screwdriver for tightening the terinal screws A screwdriver with a small head will strip the head and make proper tighterning impossible Over tightening the terminal screws may break them Round pressure terminal Power wire...

Page 26: ...er to the circuit diagram on the control cover inside outdoor unit 1 Remove the control cover Loosen the two screws and slide the cover in the direction of the arrow 2 Perform wiring with reference the wiring diagram on a control cover of outdoor unit Allow 300 mm for the pulling out section of harness Fix the wires completely with wire clamps 4 locations 3 Put in the cover in the direction of the...

Page 27: ...ak age 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 Drain pan Drain hose Leakage checking Connecting area drain hose Leakage checking Downward slope Do not raise Water leakage Accumulated drain water Air Waving Water leakage Tip of drain hose dipped in water Water leakage Ditch Less than 50mm gap CHECKING THE DRAINAG...

Page 28: ... connecting cable from down to up 2 Secure the tapped piping along the exterior wall using saddle or equivalent Trap is required to prevent water from entering into electrical parts Plastic band Taping Drain hose Pipings Connecting cable Power supply cord Seal a small opening around the pipings with gum type sealer In cases where the Outdoor unit is installed above the Indoor unit perform the foll...

Page 29: ...r must be higher than its bottom when you pressurize the system Usually the cylinder is used in a vertical standing position Do a leakage test of all joints of the tubing both indoor and outdoor and both gas and liquid side service valves Bubbles indicate a leak Be sure to wipe off the soap with a clean cloth After the system is found to be free of leaks relieve the nitrogen pressure by loosening ...

Page 30: ...ice port slightly to release the pressure then remove the hose Replace the flare nut and its bonnet on the gas side service port and fasten the flare nut secure ly with an adjustable wrench This process is very important to prevent leakage from the sys tem Lo Hi Manifold valve Vacuum pump Open Open Pressure gauge Indoor unit Outdoor unit Finishing the Job Use a vacuum pump or Inert nitrogen gas wh...

Page 31: ...or Central Controller is installed LGAP Sub PCB for Central Controller is installed Please connect the wire after installing the LGAP Please connect the wire after installing the LGAP This is the space for installatio n of PI485 Gateway This is the space for installatio n of PI485 Gateway Accessor y Accessor y Please connect the wire after installing PI485 Please connect the wire after installing ...

Page 32: ...alve Measure the temperature of the intake and discharge of air Ensure the difference between the intake temperature and the discharge is more than 8 C For reference the gas side pressure of opti mum condition is as below Cooling Refrigerant Outside ambi ent TEMP The pressure of the gas side service valve R410A 35 C 95 F 8 5 9 5kg cm2 G 120 135 P S I G NOTE If the actual pressure are higher than s...

Page 33: ...iring Error Check Saving Power Consumption Step 1 Saving Power Consumption Step 2 Night Quiet Mode Step 1 Night Quiet Mode Step 2 When you set the dip switch you should turn off the circuit breaker or shut the power source of the product down WARNING CAUTION Unless the applicable dip switch is set properly the product may not work If you want to set a specific function request that the installer s...

Page 34: ...follow after shutting the power source down 2 Reset the power 3 Check that the Red LED of PCB is on dur ing work The indoor unit is operated by force 4 Add the specific amount of refrigerant When the green LED of PCB is on compressor is going to be off because of low pressure You should return the Dip Switch to operate normally after finishing the operation CAUTION ...

Page 35: ...rate normally after finishing wiring error check If Outdoor and Indoor temperature is too low in winter the wiring error check func tion will not be operated Red LED is lighting Power consumption and current Nomal Time Step 1 Step 2 Wiring Error Check You can check whether or not the wiring is correct Setting Procedure 1 Set the Dip Switch as follow after shutting the power source down 2 Reset the...

Page 36: ... 8 5 8 5 14 16 22 22 22 Step2 A 7 7 5 11 13 18 18 18 Saving Power Consumption step 1 Mode Lock Cooling Saving Power Consumption step 2 Mode Lock Cooling Saving Power Consumption step 1 Mode Lock Heating Saving Power Consumption step 2 Mode Lock Heating Step 1 Step 2 Noise level Step 1 Step 2 CAUTION If comp frequency and fan speed are down the cooling capacity may decrease accordingly This functio...

Page 37: ...e 2page 1 time Low Pressure 890kpa LP 89 2 time Hi Pressure 2 900kpa HP 290 1 time 3 time Discharge Temp 85 C DS 85 2 time 4 time Cond Out Temp 10 C CS 10 3 time 5 time Suction Temp 10 C SS 10 4 time 6 time ODU Air Temp 10 C AS 10 5 time 7 time Current 15A A 15 6 time 8 time Voltage 230V V 230 7 time 9 time Comp Hz 100Hz F 100 8 time 10 time DC Link Voltage 230V dc 230 TACT SW1 When you push the T...

Page 38: ...wind Windbreak Periodic more than once year clean ing of the dust or salt particles stuck on the heat exchanger by using water Air conditioners should not be installed in areas where corrosive gases such as acid or alkaline gas are produced Do not install the product where it could be exposed to sea wind salty wind directly It can result corrosion on the product Corrosion particularly on the conde...

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