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Window Air Conditioner SVC MANUAL(Exploded View)

1. LGE Internal Use Only 2 1 2 CONTROL BOX 1 Remove the front grille Refer to section 2 1 1 2 Remove the two screws which fasten the control box See Figure 2 3 Pull the control box from the Air guide 4 Remove the control box cover See Figure 3 5 Disconnect wire housings on the control box 6 Pull the control box assembly out from the unit See Figure 4 7 Re install the components by referring to the removal procedure 11 Figure 2 3 4 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 2 2 AIR HANDLING PARTS 7 27 8 A IX 4 IN ST N CY N EEN KS aa A TE SS Wy yy Figure 8 NE m gt gt c a S o 82 gt gt o 0 E a 8 Tf lt o 26 os e c pt c c 5 O Ds o gt 65 c 50 5 2 4 d OE og D gt D 5 m tc Zoo 0 c 0 gt g6 9o ra rS 2 3 25288 oZ 9 5 o I c
2. CYCLE OF REFRIGERATION EVAPORATOR COILS CONDENSER COILS VAPOR INLET SUCTION LIME COMPLETE LIQUID HOT BOIL OFF POINT GOO LOW PRESSURE DISCHARGED COOLED AIR AIR ROOM AIR HEAT LOAD gt lt U OUTSIDE COOLING AIR FOR REFRIGERANT PASS THROUGH MOTOR gt LIQUID OUTLET LIQUID REFRIGERANT EE PRESSURE VAPOR CAPILLARY TUBE S WB jou PeFRIGERANT Low PRESSURE VAPOR Figure 60 Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 42 LGE Internal Use Only 5 3 TROUBLESHOOTING GUIDE In general possible trouble is classified in two causes The one is Starting Failure which is caused from an electrical defect and the other is Ineffective Air Conditioning caused by a defect in the refrigeration circuit and improper application Unit is running but cooling is ineffective Ineffective Cooling Check of cold air circulation for smooth flow Dirty indoor Heat exchanger Malfunction of fan Clogged of air filter Obstruction at air outlet Correct above trouble Y Check of outdoor coil heat exchanger amp the fan Check heat load increase
3. LN 2 GL GH O W Y R Molex Housing Spec 396 07V Copyright 2010 LG Electronics Inc All right reserved 9 Only for training and service purposes LGE Internal Use Only 2 disassembly instructions Before the following disassembly POWER SWITCH is set to OFF and disconnected the power cord 2 1 MECHANICAL PARTS 2 1 1 FRONT GRILLE 1 Remove the front grille See Figure 1 2 To remove the front grille pull out the bottom of the front grille and then lift up Re install the component by referring to the removal procedure 3 To replace the front grille place the tabs over the top of the unit and push the bottom of front grille until the clips snap into place This Room Air Conditioner PTAC discharges air from the top of the unit through reversible 2 position discharge grille louvers The unit is shipped from the factory with the discharge grille louvers at an angle of 40 off vertical In the alternate position the louvers will be at an angle of 15 off vertical To adjust air direction remove the front grille Remove the 4 screws that fasten the discharge grille to the front grille Flip the discharge grille 180 then reattach the discharge grille to the front grille with 4 screws Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 10 Screws
4. L Zavd NAA IN lt 8 E c 18S p109 gt eseg qnsg NOLLVTIVLSNI H33N3A 52IH8 391 Q31IVL3G NOILO3S TIVM LGE Internal Use Only 23 Copyright 92010 LG Electronics Inc All right reserved Only for training and service purposes 3 2 3 UNIT INSTALLATION 1 Remove the shipping screw from the ventilation door See Figure 1 2 Remove the front gille by pulling it out at the bottom to release it then lift it up along the unit top front See Figure 2 3 Slide the unit into the wall sleeve and secure with 6 screws through the unit flange holes See Figure 3 4 Reinstall the front grille by hooking the top over the unit top then pushing it in at the bottom See Figure 4 Copyright 2010 LG Electronics Inc All right reserved 24 Only for training and service purposes Figure 2 Figure 4 LGE Internal Use Only 3 3 ELECTRICAL REQUIREMENTS 3 3 1 ELECTRICAL DATA FOR 208 230V MODEL N CAUTION 1 Do not use an extension cord with this unit 2 When the unit is in the OFF position the power supply to the electrical controls is still energized 3 Disconnect the power to the unit before servicing the unit 4 Remove the power cord from the wall receptacle 5 Remove or turn off the protective device fuses or circuit breaker Wirings including installation of the receptacle must comply wi
5. i El g L Terminal Blocks Behind nexis iiL the Control Panel 9 Control Knobs 0 LT T Tanstormel Sw Status Light o Ez Ex C Fuse Control Board 5 Connect the stripped RD 9 wire to the center quick connect tab of the second fuse holder Wire nut the other end to the red field connection wire TB3 Figure 51 6 Connect the other stripped RD 9 wire to the quick connect tab on the side of the second fuse holder Wire nut other end to red subbase wire which leads to receptacle Figure 51 7 Insert time delay fuses into the fuse holders Size all fuses by the Maximum Overcurrent Protection shown on the nameplate Also refer to the serial plate on the unit Figure 50 Subbase Left Side Fuse Holder Knockouts Power Switch Leg Knockouts Figure 51 Fuse Holder Diagram Subbase Installation Electrical Receptacle Field Connection Wiring 1 38 LGE Internal Use Only Remote Escutcheon Kit Model AYRE110 Description This kit provides an attractive replacement escutcheon see Figure 52 The kit allows the removal of control knobs and graphics which are not required when a wal
6. operation Check gas leakage Unexpected residue Repair gas leak Overloaded Circuit y Replacement of unit if the unit is beyond repair Check of inside gas pressure Adjusting of refrigerant charge Malfunction of compressor Replacement of compressor Check clogging in refrigeration circuit Y Satisfactory operation with temperature difference of Repair clogging in inlet amp outlet air 44 6 50 F refrigeration circuit 7 10 C Copyright 2010 LG Electronics Inc All right reserved 43 Only for training and service purposes LGE Internal Use Only Fails to Start Check power source Check circuit breaker fuse Check control switch setting Gas leakage of feeler bulb of thermostat Check control switch Y Only compressor fails to Only fan fails to start start Improper wiring Drop of power voltage 4 gt Improper thermostat setting Defect of fan motor Defect of compressor capacitor capacitor Y Loose terminal connection Irregular motor resista
7. HIGH PRESSURE SIDE 0 O MANIFOLD GAUGE _ B A SEE INSETS BELOW gt 79 ORATOR PRESSURE SIDE COMPRESSOR COMPOUND GAUGE R410A EXTERNAL VACUUM PUMP CHARGING CYLINDER Figure 16 A Pulling Vacuum Figure 16 B Charging Copyright 2010 LG Electronics Inc All right reserved 18 Only for training and service purposes LGE Internal Use Only 3 Installation 3 1 HOW INSTALL THE UNIT Dimension of air conditioner m CAUTION There are sharp edges that can cause serious cuts When lifting the air conditioner it is HEAVY Use 2 people to lift 1 066 42 N For existing sleeve you should measure the wall sleeve dimensions Install the new air conditioner according to these installation instructions to
8. Upon receipt of the product inspect the shipping carton for signs of visible damage Report any damage or shortage to the carrier and note it on the delivery receipt Unit must be stored in its original shipping carton in a dry secure place prior to its installation and use Installation The installation and servicing of the equipment referred to in this booklet should be performed by qualified experienced technicians Fuse Holder Kit Installation Without Subbase 1 Remove front by rotating bottom outward and then lifting up and out from chassis Figure 48 Control Panel Mode Switch Thermostat Remove two screws to gain access inside Control Panel Fuse Holder Knockouts under panel 227 LGE Internal Use Only 2 To gain access inside the control panel after removing the knobs and escutcheon remove the screws holding panel in position Tilt control panel forward being careful not to pinch any wires Figure 48 3 As viewed from the front remove both knockouts on the control panel 4 Insert two fuse holders from the front The fuse holders should be oriented so the quick connect tabs are toward the center of the unit Attach fuse holders using the screws and nuts provided Figure 48 5 Remove both power cord leads one lead from the capacitor and one from the electronic board 6 Install one power cord lead on the center terminal of one fuse holder Figure 49 7 Install the remai
9. 5 gt 2 2521132 82 PLE GE 185 821 26 5 BI inge p re HERM 2 E EXTERNAL Lj 2 B 82 TRANS 9 BK ry BK e R RDH RD 8 COMP H OR o I NM CET arg gie susPwe asm 2 1 uwrmewore P NO 6871A00086 ak 2 FUSE250v 3 15A 3 2 INDOOR BL cv mesvo s FAN TRANS aero re 7 98944 au CAPACITOR eee Pressure 1 Switch spek ph d zl 1 1 OE 1 cee a 1 eco P NO 3850A20594M CN AUX_S CN IDPT CN IDAT CN THERMO_S CN LINK ox XO 98 oO a 58 O oo Anm io Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes LOE intemal Only 8 Exploded View _ 3 2552112 M 352116 5 JM Note Please ensure GCSC since the replacement parts be changed depending upon the buyer s request Please check the correct parts in View RPL Replacement Part List on GCSC GCSC Website http biz Lgservice com Copyright 2010 LG Electronics Inc All right reserved 50 Only for training and service purposes LGE Inter
10. Fan operation without heating or cooling HEAT Fan runs continually for normal heating operation TIMER SHUT OFF TIME You will usually use shut off time while you sleep If unit is running use Timer to set number of hours until shut off For your sleeping comfort once Time is set the Temperature setting will raise 2 F after 30 minutes and once again after another 30 minutes Push Timer to cycle through the settings from 1 Hour gt 2 Hours gt gt 12 Hours maximum Copyright 2010 LG Electronics Inc All right reserved 6 Only for training and service purposes LGE Internal Use Only 1 3 SELF DIAGNOSIS FUNCTION If the unit has a malfunction a green OPERATION LED located on the Display PCB used by the unit to indicate the errors USE If the customer has to register a complaint to the service center he can be very clear about registering the complaint that what is happening amp by referring the user s manual the customer can clearly define the problem So that the engineer should go fully prepared with the prescribed tools to be used regarding that problem It also keeps the customer aware about the unit Here are some of the problems defined below for which the LED indicates by flashing number of times the error has been recorded against it The errors are the mentioned which is as follows Electrical Controls ON Normal OFF No power failed board Fault Code
11. Re install the components by referring to the removal procedure 9 Copyright 92010 LG Electronics Inc All right reserved Only for training and service purposes 213 9 Figure 10 Figure 11 12 le 2 A PEO LGE Internal Use Only 2 2 4 SHROUD 1 2 3 4 2 Remove the axial fan Refer to section 2 2 3 Remove the 4 screws which fasten the condenser with the shroud and the basepan See Figure 11 Remove the shroud Re install the component by referring to the removal procedure 3 ELECTRICAL PARTS 2 3 1 OUTDOOR MOTOR 1 2 3 4 5 Remove the clamp cord and disconnect a wire housing in control box Refer to section 2 1 2 Remove the axial fan Refer to section 2 2 3 Remove the 2 screws which fasten the motor See Figure 12 Remove the motor Re install the component by referring to the removal procedure above 2 3 2 INDOOR MOTOR Refer to section 2 2 2 2 3 3 COMPRESSOR 1 Discharge the refrigerant system using a refrigerant recovery system If there is no valve to attach the recovery system install one such as a WATCO A 1 before venting the refrigerant Leave the valve in place after servicing the system Disconnect the 3 leads from the compressor After purging the unit completely unbra
12. Sleeve Secure the grille by threading each of the screws into the plastic grommets Remove the wire handle not shown the picture from the center of the grille prior to installing the chassis into the Sleeve Note Be sure to keep a firm grip on wire handle and grille to prevent it from dropping and or causing possible injury or property damage Architectural Grille 1 Remove the cardboard sleeve stiffener and the rear enclosure of the sleeve as described in Step 1 of the stamped aluminum grille instructions 2 Turn the grille so it can be removed through the rear sleeve opening 3 Install the grille by aligning the four screws supplied to their corresonding holes in the architectural grille 30 LGE Internal Use Only 4 Secure the grille to the sleeve by tightening the four screws to their corresponding holes in the grille 5 Remove the wire handle after the installation is complete Note The stamped aluminum grille includes 6 screws washers nuts and plastic grommets The architectural grille includes 4 screws Condensate Drain kit Model AYDR101 Description Condensate water will drain from the chassis into the sleeve during normal heat pump operation This can also occur during times of high humidity when in cooling operation Install either the outdoor or indoor drain kit components to control the condensate water where normal drainage from the wall sleeve is not possible or
13. 0 C 54 F 12 2 C 82 F 27 8 C ON ON OFF 60 F 15 5 C 86 30 0 C 54 F 12 2 C 80 F 26 7 C OFF OFF ON 62 F 16 6 C 86 F 30 0 54 F 12 2 C 78 25 5 C ON OFF ON 64 F 17 7 C 86 30 0 C 54 F 12 2 C 76 F 24 4 C OFF ON ON 66 F 18 9 86 F 30 0 C 54 F 12 2 C 74 F 283 3 ON ON ON 68 F 20 0 C 86 F 30 0 C 54 F 12 2 C 72 F 22 2 C 6 7 Cooling Electric Heater Heat Pump OFF ON Cooling Electric Heater ON OFF Heat Pump Only ON ON Cooling Only Copyright 2010 LG Electronics Inc All right reserved 8 Only for training and service purposes LGE Internal Use Only REMOTE LOCAL CONTROL When remote local switch 1 is on it allow the unit to operate by the Remote Wall Thermostat The unit control by knobs are not available ENERGY SAVER The energy saver switch 2 is on This switch is set at cycle fan to provide continuous fan operation in cool or heat modes When the switch is off the continuous fan allows continuous circulation of room air and make the more balanced temperature of the room When the switch is on the fan is on or off with the compressor or with the heater FRONT DESK CONTROL When the pair wire is connected to the connector FD2 FD1 the unit can be turned ON or OFF with switch located at the Front Desk Control panel When the front desk switch is ON the fan operates according to
14. 3 6 P C B 1 Remove the escutcheon 2 Remove the two knobs 3 Remove the 2 screws which fasten P C B cover 4 Disconnect all the leads which connected to the P C B 5 Remove the two screws which fasten the P C B board 6 Re install the components by referring to the removal procedure above K After servicing control box make sure that AC and DC wires are separated and tied up properly The wires should also be pressed a little downwards to prevent touching it to the display pcb Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 15 Figure 17 Figure 18 LGE Internal Use Only 2 4 REFRIGERATION CYCLE I CAUTION Discharge the refrigerant system using a refrigerant recovery system If there is no valve to attach the recovery system install one such as a WATCO A 1 before venting the refrigerant Leave the valve in place after servicing the system 2 4 1 CONDENSER 1 Remove the brace and the shroud Refer to section 2 2 2 2 Remove the 4 screws which fasten the shroud Refer to section 2 2 2 3 Push forward the shroud and remove the 2 screws which fasten the condenser with the basepan 4 After discharging the refrigerant completely unbraze the interconnecting tube at the condenser connections 5 Remove the condenser 6 Re install the components by referring to notes See Figure 19 2 4 2 EVAPORATOR 1 Remo
15. achieve the best performence All wall sleeves used to mount the new air conditioner must be in good structural condition and have a rear grille that securely attaches to the sleeve or the flange of the sleeve to secure the Dimension of sleeve assembly optional To avoid vibration and noise make sure the unit is installed n securely and firmly 1 2 SQ HOLE 2 REQD 1 1 2 When installing the sleeve make certain there is nothing within 20 of the back that would interfere with heat radiation and exhaust air flow 1 2 DIA OLE 3 REQ D Wall opening 16 1 4 x42 1 4 Insulation strip must be attached to prevent the re circulation of exhaust air to inward side from the either side of condenser space The insulation strip is provided with the box Refer to the diagram below iF GRILLE INSULATION SLEEVE COSTED HEAT TOPVIEW RADIATION INTAKE T AIR 1 4 Bubble of the level ROOM CABINET Over 20 1 Take out the insulation strip from the upper packing 280 mm 2 Attach the insulation strip onto the rear upper side of the 11 Front insulation Strip wall sleeve du Sleeve 3 To improve unit energy efficiency itis recommended the 1 1 1 change of outside grille for an unit protection and an addition of a plastic rear grille This is optional 4 Insulation strip prevents the exhaust
16. as brick 2 from the bottom and 2 from the top at a point where The wall case will fit an opening of six courses of standard basic wall structure is located Drill wall case and use brick or five courses of jumbo brick Wall framing in this type fasteners appropriate for wall construction All holes for construction is normally on 16 centers and the wall case will fasteners in the side of the wall case must be at least 2 up fit a framed opening spanning three 16 O C 2 x 4 stud from the bottom of the wall case Never locate screws or spaces put other holes in the bottom of the wall case If the wall opening is greater than the case dimensions For existing construction the indoor and outdoor wall will need spacers must be used on the sides between the wall case to be cut out allowing for clearances of 1 8 on all sides of the and the wall support structure to prevent distorting the wall wall case Work should begin on the inside wall case Cut the correct dimensions and mark using drill holes the 3 Caulk or gasket the entire opening on the outside between outside wall from each corner of the inside cutout Studding the wall case and exterior wall surface 4 sides to provide that interferes with the opening must be removed and a total water and air seal suitable frame constructed to secure the wall case and 4 Caulk or gasket room side opening between wall case and provide adequate support for case and chassis interior wall surface 4 sides Op
17. be switched off to prevent damage when the heat pump is operated in high outdoor temperatures Remote Thermostat Control Each unit is built to be operated from any standard 4 or 5 wire remote mounted thermostat if desired The unit has a built in low voltage power source which can accommodate a large variety of thermostat choices manual auto changeover or programmable A remote thermostat can also be added to any installed unit Zone Sensor Occupants enjoy ultimate comfort with consistent climate control Attach an optional inexpensive remote Zone Sensor to exactly match the functions of the PTAC without disabling any features High Pressure limit The compressor will be switched off to prevent damage by sensing high pressure 41 8 kgf cm G 595 Ibf in G when the unit is operated in high outdoor temperatures or blocked outdoor inlet Copyright 2010 LG Electronics Inc All right reserved 4 Only for training and service purposes LGE Internal Use Only 1 2 CONTROL LOCATIONS VENTILATION The ventilation lever is located to the lower left side of the unit The ventilation lever must be in the CLOSE position in order to maintain the best cooling conditions When fresh air is necessary in the room set the ventilation lever to the OPEN position The damper is opened and outdoor air is drawn into the room This will reduce the cooling or heating efficiency When the air conditioner has performed a cooling or heatin
18. carrier immediately Installation The installation and servicing of this equipment should be performed by qualified experienced technicians AL Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury Important Note The unit OFF switch does not disconnect all electrical power to this unit Checklist The following is an abbreviated guide to leveling leg installation Refer to appropriate areas for more detailed information 33 LGE Internal Use Only Leveling Leg Assembly Installation on Wall Sleeve To install the leveling leg assembly complete the following 1 Drill four 1 8 diameter holes in the wall sleeve two on 1 Drill two 1 8 holes in each side of the wall sleeve as each side using the leveling legs as a template Caulk shown in Figure 43 using the leveling leg assembly as a around screws to prevent water leaks template Locations near the front of the sleeve provide 2 Attach the legs to the wall sleeve using the screws more support provided 2 Adjust the leveling legs to the approximate height needed 3 Adjust the leveling legs to level the wall sleeve from side to and install them on either side of the wall sleeve using the side and provide a slight pitch to the outside
19. easy to read diagnostics For example 1 blink every 2 seconds indicates compressor failure Copyright 2010 LG Electronics Inc All right reserved 3 Only for training and service purposes LGE Internal Use Only Indoor Filters The unit uses two indoor filters which slide in and cut easily The filters may be cleaned by washing and brushing without removing the front grille Rotary Compressor The unit uses a rotary compressor for quiet reliable operation and long life 2 Position Discharge Grille The discharge grille can provide air flows upward at an angle of 40 off vertical or 15 degree off vertical The angle is changed by removing the front grille and 4 screws that fasten the discharge grille to the front grille and rotating the louvers to an alternate position Indoor Room Freeze Protection When the unit senses the room temperature falls to less than 40 F the unit activates the fan motor and either the electric resistance heater or the hydronic heater to prevent pipes or fixtures from freezing This also overrides front desk control of the unit mounted or wall mounted controls Door Switch Occupancy Sensor The unit is capable of accommodating a field installed door switch and occupancy sensor to operate the energy management feature For additional information refer to the unit operation section Compressor Overload Protection This feature prevents the damage of the compressor by sensing the indoor tube temperatu
20. mm gt N E ke io e 80 916 n 3l di d U Knockouts In Rear 2 50 mm Max Front View Adjustment Figure 59 Wiring Diagram Field Wiring Line Voltage Q 5 TB3 x TB1 i L1 12 L1 L2 j RED NEMA 6 20R i NEMA 7 20R Receptacle Receptacle i s Field Wiring NEMA 6 30R NEMA 7 30R Line Voltage Receptacle Receptacle 230 208 VAC Field Schematic 265 VAC Field Schematic Figure 60 NEMA Plug Configurations Voltage Unit Plug Subbase Receptacle 230 208 NEMA6 15AMP NEMA6 15AMP S S 265 NEMA7 20AMP NEMA7 20AMP S e 5 S 230 208 NEMA6 20AMP NEMA6 20AMP 265 Gs e 5 NEMA7 20AMP NEMA7 20AMP S IN 230 208 NEMA6 30AMP NEMA6 30AMP S 5 5 1 S 265 NEMA7 30AMP NEMA7 30AMP 7 D 41 LGE Internal Use Only 5 troubleshooting guide 5 1 OUTSIDE DIMENSIONS 1 066mm 42 505mm 20 406mm 16 5 2 PIPING SYSTEM Following is a brief description of the important components and their functions in the refrigeration system Refer to Figure 61 to follow the refrigeration cycle and the flow of the refrigerant in the cooling cycle LIQUID PRESSURE DROP ROOM AIR CONDITIONER
21. other gasket A on the back of blank off plate and secure the assembly to the left rear of wall sleeve with sheet metal screws provided See Figure 39 for finished left hand side installation If the unit chassis is to be installed right away install the condenser grille to wall sleeve with hardware provided See condenser grille installation instructions If the unit chassis will not be installed right away replace the rear enclosure panel in the wall sleeve This will help protect the inside of the building from weather damage If a subbase is used be sure the right hand subbase cover is removed before the chassis is installed in the sleeve Slide the chassis into the wall sleeve until the chassis flanges Copyright 92010 LG Electronics Inc All right reserved Only for training and service purposes contact the front edge of sleeve Secure the chassis to the wall sleeve on each side with screws provided Re install the cabinet front See the following pages for installation instructions of indoor drain kit Figure 37 Figure 38 N gt 2 Am PLATE B e DRAIN FITTING Figure 39 mno SHEET METAL SCREWS Figure 40 P E Sleeve overflow port Do not close up this port E9 Gasket 2 Blank off Plate 2 4 Mounting 5 Wall Sleeve
22. the setting without working compressor and heater When the front desk switch is OFF the unit can operate according to the setting of controls Wire AWG Maximum Length 22 600 ft 180 m Note The following figures show wiring 20 900 ft 270 schematics for heat pump and straight 18 1500 ft 450 m cool units with electric heat respectively 16 2000 ft 610 Motion Sensor Wiring Schematic for Motion Sensor Remote Heat Pump Door Switch 4 Door Switch Front Desk Control Front Desk Contro FD2 FD1 DR2 DR1 MS2 1 Lal GL Heater CONTROL BOARD CONNECTIONS Reversing Valve Molex Housing Spec 396 06V CONTROL BOARD CONNECTIONS THERMOSTAT REMOTE WALL THERMOSTAT VERSNS When the wires are connected the unit will be controlled by a remote wall Wiring Schematic for thermostat Straight Cool Unit The thermostat connections supply the 24 Volt AC When you install the digital electronic thermostat you must set it to 24 Volt AC See the LR 9 installation Instruction in this manual for the Remote Wall Thermostat 24 Volt N 24 Volt L GH Ww Compressor wa High Fan THERMOSTAT Low CONNECTIONS
23. Attach skirting with four sheet metal screws provided with kit Figure 57 Location E e D 7 Wire subbase for appropriate voltage Figure 59 40 LGE Internal Use Only proper subbase must be ordered to obtain the correct electrical receptacle Figure 60 8 After wiring is complete mount covers A and F to the subbase with provided screws Figure 57 9 When installing optional accessories to the subbase refer to each installation instruction for that accessory Figure 55 Figure 57 Part Location Identification Part Location Identification Left Front Cover Right Front Cover Front Cord Panel Wall Sleeve Hole Location Skirting Hole Location gt Right Cover Assembly Wall Sleeve 2 2 13 16 Wiring 71 Access e c Low Voltage Compartment Copyright 92010 LG Electronics Inc All right reserved Only for training and service purposes Figure 58 Dimensions 13 3 4 Wall Sleeve Outdoor Side 16 4g 2 3 4 Wall Sleeve 2 3 4 Inside Edge Y Back of jee Flange A 2 5 8 Left End View E TS 5 gf S Knockouts In Bottom Top View Ground Screw Location Receptacle Provided Inside subbase 3 1 16 Accessory 13 7 8 352 mm 78 20 5 16 515 5
24. Bottom 1 2 Outdoor Drain Fitting Screws 2 Detail A 32 LGE Internal Use Only Indoor Drain Kit Installation The internal drain is installed on the bottom of the wall sleeve when it is required to drain the condensate into a drain system inside of the building The components of the wall sleeve drain kit are shown in Detail A Use components C 2 D E mounting screws 6 and the Outdoor drain fitting 1 The components D and drain fitting of the kit are mounted on the bottom of the wall sleeve prior to the installation of the sleeve It may be located in a feasible area on the bottom of the sleeve which is inside of the room except when a subbase is used When a subbase is installed the drain may be a minimum of 3 1 2 from the front flange of the wall sleeve The minimum clearance should provide adequate clearance for the subbase see Figures 40 and 41 Cut out the template in the lower right hand corner of these instructions to locate the field drilled holes Two to mount the plate and one for the Outdoor drain fitting See Detail A on how the components have to be installed after the holes are drilled in the bottom of the wall sleeve If the drain fitting is not connected to an indoor drainage system immediately after the wall sleeve is installed it must be plugged with a cork to prevent indoor water damage in case it rains An indoor tube or hose furnished by others must be installed on th
25. Internal Use Only LG http biz lgservice com Window Air Conditioner SVC MANUAL Exploded View MODEL LP093CD3A CAUTION Before Servicing the unit read the safety precautions in General SVC manual Only for authorized service personnel 1 Specification E Models LP093CD3A Cooling Capacity 2 58 2 64 8 800 9 000 Heating Capacity Electric Heater capacity kW 3 08 3 49 10 500 11 900 Power Input Cooling Heating 800 820 Running Current Cooling Heating 4 2 3 8 Starting current Cooling Heating Electric Heater Current 14 9 15 2 EER 2 36 2 37 Btu h W 11 0 11 0 COP W W Power Supply V Hz 1 208 60 1 230 60 Power Factor 100 101 MCA A 19 2 MOP A 20 Air Flow Rate Indoor Max m min CFM 7 2 255 Outdoor Max m min CFM 17 600 Moisture Removal 1 4 Sound Level Indoor H M L 46 44 SOUND PRESSURE 1M Outdoor 61 Refrigerant amp Charge R410A 650 22 9 Compressor Type Rotary Model GKS086KAB Motor Type PSC Oil Type POE RB68A or PVE FVC68D Oil Charge 330 O L P Name MRA12130 12026 Fan Type In Out Cross Flow Fan Axial Fan Motor Type In Out 4 Poles Motor Output In Out 24 9 60 Heat Exchanger Evaporator Rows Column FPI 3R 12C 20FPI Condensor Rows Colu
26. Units 1 Remove and discard the red lead from the wire assembly 2 Connect the black lead to the center terminal of the fuse holder 3 Connect the white lead to the common C terminal on the capacitor 4 Connect the ground wire to the partition panel where the ground wire on the power cord was located Use the supplied green ground screw 5 Connect the white lead of the wire assembly at the junction box to the white lead of the field power source 6 Connect the black lead of the wire assembly at the junction box to the black lead of the field power source 7 Connect the ground wire of the field power supply to the bare ground wire of the wire assembly at the junction box 8 Install the junction box cover plate 9 Reinstall the control panel assembly Copyright 92010 LG Electronics Inc All right reserved Only for training and service purposes Figure 45 Mounting Hard Wire Junction Box Kit Wall Sleeve Ground Wie with Eyelet Terminal Cover plate Ne Power Leads lo with Push on N Connectors Conduit Metal Box with Straight Clamp Figure 46 Metal Box Location Control Panel Base Pan Bracket Figure 47 Electrical Wiring Routing Right Side of Chassis Wire Tie 3 16 Diamenter Hole Electrical Supply Wires Back of Control Panel 36 LGE Internal Use Only Fuse Holder Kit Model AYFH1101
27. air from re entering from either side of condenser space which may decrease the cooling efficiency of condenser Rear i i i 19 Copyright 2010 LG Electronics Inc All right reserved LGE Internal Use Only Only for training and service purposes 3 2 WALL SLEEVE INSTALLATION 3 2 1 Wall Case Installation Data General Generally units are installed 3 to 5 above the floor flush to finished floor installation is possible as near to the center of the room as possible underneath a window or a glass panel is typical Normal installation of the wall case allows installation flexibility from flush with the finished interior wall to a minimum of 1 4 of the wall case extending beyond the finished exterior of the building Special consideration must be given to installations where the wall case does not extend a minimum of 1 4 beyond the finished exterior wall Regardless of the installation there are several things to consider when selecting a location for installing the unit For instance drapery location could interfere with air discharge and placement of furniture may have an impact on the performance of the unit The following information is intended to minimize installation problems and assure you of trouble free installation Refer to required wall opening dimensions Minimum recommended interior and exterior case projection for standard wall thicknesses are shown in the drawings in this manual The case may be installed flu
28. an Gas side Compressor LOC Description PCB Connector Th1 Thermistor for indoor Air temperature CN IDAT Th2 Thermistor for Evaporator Pipe temperature CN IDPT Copyright 2010 LG Electronics Inc All right reserved 48 Only for training and service purposes LGE Internal Use Only 7 schematic diagram POWER INPUT NEUTRAL LIVE WH BK In part A there are 3 types GN YL JHEATER FUSE BMETAL BKI RD OR 1 se eL 2 HEATER FUSE BIMETAL m bud m BL 9 e FOR E HEATER MODEL WES aae ainar S 1 FOR HEAT PUMP MODEL 1 INDOOR COIL 1 VALVE THERMISTOR SOLENOII INDOOR AIR i THERMISTOR mou NL AY HEAT2 65005 69555 895 pm oN CN CN CN THERMO S AUX S IDPT IDAT IT 1 2 aa A 5 52 8 1 95 1 1 OUTDOOR BL E Ed Sy B sl RD 5 8 m 2 bos FAN d B 25 izo BR H OR BR 9 a SEAS AS MOTOR YLERYL 58 18 5 224128 83 ESI I e 3 gt 85 1
29. conduit to the unit cabinet at the incoming power opening An optional 208 230V or 265V power switch assembly is available for use with the hard wire junction box or subbase The switch provides a POWER ON OFF function at the unit as required by some electrical codes A replacement junction box cover plate is provided with each Switch kit For additional information refer to the Power Switch Installation Instructions Receiving Upon receipt of the product inspect the shipping carton for signs of visible damage Report any damage or shortage to the carrier and note it on the delivery receipt Unit must be stored in its original shipping carton in a dry secure place prior to its installation and use Installation The installation and servicing of this equipment should performed by qualified experienced technicians Junction Box Kit Installation and Wiring Procedure Electrical connections at the unit must be made after the unit chassis is installed in the wall sleeve The installer must determine and supply the mounting components for attaching the junction box to the wall or door Copyright 92010 LG Electronics Inc All right reserved Only for training and service purposes AS WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing co
30. e Description This optional fuse holder kit can be installed directly in the chassis or in the optional subbase Fuse holder kits are available in 208 230 volt ratings The installer should supply time delay fuses at 15 20 25 or 30 AMP in accordance with the Maximum Overcurrent Protection as listed on the unit nameplate Fuses may be purchased from the parts department Note The installation and servicing of this equipment must be performed by qualified experienced technicians only N WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury Important Note The unit OFF switch does not disconnect all electrical power to this unit Copyright 92010 LG Electronics Inc All right reserved Only for training and service purposes CAUTION Use Copper Conductors Only Unit terminals are not designed to accept other types of conductors Failure to use copper conductors may result in equipment damage Important Note All wiring must comply with applicable local and national codes Type and location of fused disconnect switch es must comply with all applicable codes Failure to follow these codes could result in overheating and equipment failure Receiving
31. e drain fitting and interconnected to the drain system inside of the building Install the two blank off gaskets on the outdoor portion of the wall sleeve as shown in Figure 40 These components may be installed after the sleeve is secured in the wall opening just prior to the installation of the condenser grille and chassis Figure 41 500 Dia S 6 D i of Mtg 156 Dia 1 Mel A a Mtg Holes 2 Dim Not to l 3 500 Scale l Inside Edge of Front Sleeve Flange Y Copyright 92010 LG Electronics Inc All right reserved Only for training and service purposes Leveling Legs Model AYLL101 Description Leveling legs are designed to provide extra front support and leveling of the wall sleeve Two leg assemblies are required per unit and are provided in each kit Four screws are also provided with each kit for attachment to the wall sleeve See Figure 42 The leveling legs must be installed before the chassis is installed but after the wall sleeve is in place Holes must be drilled in each side of the wall sleeve below the duct package holes for attachment to the wall sleeve Receiving Compare kit identification number with sales order to ensure that the correct kit has been received Inspect the leveling legs for shipping damage File damage claims with the delivering
32. ening beneath or around the wall case can allow outdoor air to leak into the room Preparation of the Wall Case for All Types of resulting in increased operating costs and improper room Construction temperature control As shipped the LG wall sleeve is ready for installation Do not remove the stiffener from inside the wall case or the Care should be taken in location of electrical supply entry weather closure panel from the outside face of the wall case in relationship to wall sleeve to assure access to until the outdoor grille and chassis are ready to be installed receptacle or junction box once unit is installed Installation of Wall Case in Wall Opening 1 Position the wall case into the wall The room side edge of the wall case should be at least flush with the finished wall for line cord installations and permanent connection installations when no sub base is used and should project into the room at least 2 3 8 when a sub base is used If the minimum exterior dimensions are not met refer to FRAME AND BRICK VENEER INSTALLATION Copyright 2010 LG Electronics Inc All right reserved 21 Only for training and service purposes LGE Internal Use Only FRAMING FOR WALL CASE BRICK VENEER AND FRAME CONSTRUCTION MAIN STUD JACK STUDS HEADER 4 x 4 OR 2 2 x4 ON EDGE ADJUSTABLE FRAMING TO SECURE THIS DIMENSION JACK STUD CRIPPLE FINISHED FLOOR SUB FLOOR Note Do not remove the stiffener support from inside the wall case until t
33. f tube ports leaving the valves open Solder the pinch off tubes with service valves Evacuate as follows 1 Connect the vacuum pump as illustrated Figure 16 A 2 Start the vacuum pump slowly open manifold valves A and B with two full turns counterclockwise and leave the valves closed The vacuum pump is now pulling through valves A and B up to valve C by means of the manifold and entire system If high vacuum equipment is used just crack valves A and B for a few minutes then open slowly with the two full counterclockwise This will keep oil from foaming and being drawn into the vacuum pump 3 Operate the vacuum pump for 20 to 30 minutes until 600 microns of vacuum are obtained Close valves A and B and observe the vacuum gauge for a few minutes A rise in pressure would indicate a possible leak or moisture remaining in the system With valves A and B closed stop the vacuum pump 4 Remove the hose from the vacuum pump and place it on the charging cylinder See Figure 16 B Open valve C Discharge the line at the manifold connection 5 The system is now ready for final charging Copyright 92010 LG Electronics Inc All right reserved Only for training and service purposes 17 6 Recharge as follows 1 Refrigeration cycle systems are charged from the high side If the total charge cannot be put in the high side the balance will be put in the suction line through the acce
34. g determine the cause Replace if required Condenser air flow restriction Remove the cabinet inspect the interior surface of the condenser if restricted clean carefully with a vacuum cleaner do not damage fins or brush Clean the interior base before reassembling Condenser fins If condenser fins are closed over a large area damaged on the coil surface head pressures will increase causing the compressor to cycle Straighten the fins or replace the coil Capacitor Test capacitor Wiring Check the terminals If loose repair or replace Refrigerating system Check the system for restriction Insufficient cooling or heating Air filter If restricted clean of replace Exhaust damper door Close if open Unit undersized Determine if the unit is properly sized for the area to be cooled Excessive noise Cross flow fan Check the set screw or clamp If loose or missing correct If the blower or fan is hitting air guide rearrange the air handling parts Copper tubing Carefully rearrange tubing not to contact compressor shroud and barrier Copyright 92010 LG Electronics Inc All right reserved Only for training and service purposes 47 LGE Internal Use Only 6 Piping Diagrams Liquid side Thif Heat Heat Exchanger Exchanger Evaporator Condenser Axial F
35. g operation and is turned off or set to the fan position wait at least 3 minutes before resetting to the cooling operation A slight heat odor may come from the unit when first switching to HEAT after the cooling season is over This odor caused by fine dust particles on the heater will disappear quickly This is harmless Copyright 92010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only ELECTRONIC CONTROLS The controls will look like one of the following FAN SPEED Every time you push this button it cycles through the settings as follows High F2 Low F1 High F2 Low F1 7 F1LOW F2 HIGH POWER To turn the air conditioner ON push this button To turn the air conditioner OFF push the button again This button takes priority over any other button MODE Push this button to cycle through the modes from COOL cilia TEMPERATURE SETTING COOL Use this button to automatically control the Fan runs continually for normal cooling operation temperature of the room ENERGY SAVER The temperature can be set within a range of 54 F to 86 F by increments of 2 F The fan stops when the compressor stops cooling setting appears in the display Approximately every 3 minutes the fan will turn on and the unit will check the room air temperature to determine if cooling is needed FAN
36. ges and put aside Figure 25 6 Unplug the electric heater connecter located inside the wire junction box 27 LGE Internal Use Only 7 Remove the screw that attaches the electric heater wire to 11 Install tube 1 and tube 2 ref Figure 31 on the pump the side of the indoor fan housing assembly using the rubber elbows as shown in Figure 28 8 Remove the 3 screws which fasten the top cover assembly Figure 28 Figure 26 12 Position pump assembly to the basepan as shown in 9 Position water spraying plastic tube into the electric heater Figure 29 and fasten the pump bracket to the basepan cover Make sure that the three pairs total of six of plastic using the three screws provided tongues snap into the corresponding metal slots of the heater frame as shown in Figure 27 Then install one of the Figure 29 three rubber elbows ref Figure 31 at the inlet of the spraying tube and through the rubber grommet Figure 27 13 Insert tube 2 of the pump assembly through the plastic grommet of the sheet metal partition as shown in Figure 30 Then connect the end of tube 2 to the plastic elbow coming out of the inlet of the spraying tube 10 Place the top cover assembly back into the unit Copyright 2010 LG Electronics Inc All right reserved 28 Only for training and service purposes LGE Internal Use Only 15 Assembly the unit back following the reverse orde
37. he chassis is to be installled Figure 1 FASTENING WALL CASE MAIN STUDS MOUNTING SCREW HOLE NO HOLES PERMITTED IN BOTTOM OF CASE NO HOLES PERMITTED IN BOTTOM OF CASE JACK STUD MAIN STUD Framing detail for this construction is as shown in Figure 1 Note use of lintel under first course of brick above theZoneline case Choice of attachment devices Do not use the case as alintel Mounting screw through both ends of case or thetop holes shown are tobe made by the installer Mounting screw holes and attachment devices by installer Figure 2 Copyright 2010 LG Electronics Inc All right reserved 22 Only for training and service purposes LGE Internal Use Only pue eui 11 1 eseo JINLE 31VNHU3LTV LINGNOD AlddNS YAMOd jays LINGNOOD 91991943938 TIVM 30 401 HO 1 AlddNS H3MOd 30074 Q3HSINIJ o Ped 30 401 2 pue 700 y suiof eee 3sv8 ans 300714 Q3HSINIJ 3 9J9UM onnvo T3NNVHO JAIS asvo TIVM INOOH 3 9 TIVM INOOH 911199 YOOdLNO YATIVLSNI YATIVLSNI A8 335 ONILNNOW SM382S ONILNNOW LLa v 1 a VH 8 4 02 w8 L EL Z 8VH gt
38. he retaining holes and remove the escutcheon See Figure 55 Figure 54 39 LGE Internal Use Only 5 Replace the escutcheon with the one from this kit by inserting the tabs at the top of the escutcheon into the retaining holes and laying the escutcheon flat on the control panel D Replace the front by reversing steps 1 through 4 N Store the control knobs and escutcheon just removed from the unit for possible reinstallation if the wall thermostat is no longer desired Figure 55 Escutcheon Subbase Model AYSB1101 208 230V 20 AYSB2101 208 230V 30A 11 Description The subbase may be installed on the wall sleeve before or after installing the wall sleeve The subbase is prewired Electrical connections can be made on the left side after the access cover is removed grounding screw is provided Receiving Upon receipt of the product inspect the shipping carton for signs of visible damage Report any damage or shortage to the carrier and note it on the delivery receipt The unit must be stored in its original shipping carton in a dry secure place prior to its installation and use Copyright 92010 LG Electronics Inc All right reserved Only for training and service purposes Installation The installation and servicing of the equipment referred to in this booklet should be performed by qualified experienced technicians N WARNING Hazardous Voltage Disconnect all e
39. ion Replace the switch if circuit is open Thermostat Check the position of knob If not at the coldest setting advance the knob to this setting and restart unit Check continuity of the thermostat Replace thermostat if circuit is open Capacitor Discharge capacitor before Check the capacitor Replace if not within 10 of manufacturers servicing rating Replace if shorted open or damaged C Check the compressor for open circuit or ground If open or grounded replace the compressor Check the compressor overload if externall Overload mounted Replace if open If the compressor temperature is high remove the overload cool it and retest Pressure Switch Check continuity of the pressure switch Replace the pressure switch if circuit is open ROOM AIR CONDITIONER VOLTAGE LIMITS NAME PLATE RATING MINIMUM MAXIMUM 208 230V 187V 253V Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes 46 LGE Internal Use Only COMPLAINT CAUSE REMEDY Compressor cycles on overload Voltage Check the voltage See the limits on the preced ing page If not within limits call an electrician Overload Check overload if externally mounted Replace if open If the compressor temperature is high remove the overload cool and retest Fan motor If not runnin
40. l thermostat is used to control the unit Receiving Upon receipt of the product inspect the shipping carton for signs of visible damage Report any damage or shortage to the carrier and note it on the delivery receipt The unit must be stored in its original shipping carton in a dry secure place prior to its installation and use Installation The installation and servicing of the equipment referred to in this booklet should be performed by qualified experienced technicians N WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury Important Note The unit OFF switch does not disconnect all electrical power to this unit Figure 51 Standard Escutcheon 771 e Fi LOW F2 HIGH TEMP TIME Copyright 2010 LG Electronics Inc All right reserved Only for training and service purposes ROM A REMOTE LOCATION FRO UNIT IS CONTROLLED F Figure 53 1 Grasp the cabinet front as shown in Figure 53 2 Pull the bottom of the cabinet front away from the chassis until the retaining clips disengage as in Figure 54 3 Lift the cabinet front off the chassis 4 Lifting the front edge of the escutcheon slide the tabs at the top of the escutcheon out of t
41. leakage and corrosion Algaecide Some algaecide products may cause damage to the unit basepan and therefore should not be used Contact your sales representative when considering the use of a commercial algaecide See Figure 35 for components of the drain kit 224 LGE Internal Use Only Figure 36 Outdoor Drain Kit Installation BLANK OFF PLATE C DRAIN FITTING PLATE B t 1 2 DRAIN FITTING GASKETS A MTG SCREWS Outdoor Drain Kit Installation Before installing the wall sleeve louvered condenser grille it must be determined if the optional outdoor wall sleeve drain kit is to be installed The drain kit will allow the condensate from the outdoor and indoor coils to be routed to a suitable area The drain kit can be installed so the condensate can be drained from the right or left hand side of the wall sleeve See Figure 36 See local codes for proper condensate disposal To install the outdoor drain components proceed as follows Remove the rear enclosure panel and the sleeve stiffener These items may be removed from the inside of the building 2 The drain fitting can be installed on the left or right hand side of the sleeve Illustration will be for a right hand installation Insert the drain fitting in the opening of gasket A and hole of Plate B Secure this assembly to the rear of the sleeve with two sheet metal screws into holes G provided in sleeve See Figures 37 and 38 Locate the
42. lectric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury Important Note The unit OFF switch does not disconnect all electrical power to this unit CAUTION Use Copper Conductors Only Unit terminals are not designed to accept other types of conductors Failure to use copper conductors may result in equipment damage Note When using a subbase the wall sleeve must be installed a minimum of 3 1 4 inches 83 mm above a finished floor and a minimum of 2 3 4 inches 70 mm from a finished wall 1 Remove parts B and C Figure 57 from the subbase and join together using two metal screws provided This assembly now becomes the right front cover Part F of the subbase Figure 56 Position subbase under the front of the wall sleeve Align the back edge of the flange on cover A Figure 57 to front of the wall sleeve flange Figure 58 gt Drill four 1 8 inch holes wall sleeve to line up with holes in subbase Figure 57 Location D Mount subbase to wall Sleeve with four sheet metal screws provided with kit Figure 57 Location D Remove the left front cover from the subbase Figure 57 Part A Position skirting on each side of wall sleeve to prevent the entry of foreign materials Trim skirting to desired length
43. mage Report any damage or shortage to the carrier and note it on the delivery receipt Unit must be stored in its original shipping carton in a dry secure place prior to its installation and use Installation The installation and servicing of the equipment referred to in this booklet should be performed by qualified experienced technicians N WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury Important Note The unit OFF switch does not disconnect all electrical power to this unit Copyright 92010 LG Electronics Inc All right reserved Only for training and service purposes Remove front plastic cover by rotating bottom outward and then lifting up and out from chassis Unplug and remove the PTAC chassis from the wallsleeve Movethe chassis where the front and back of the chassis can be easily accessed Remove the wire junction box cover by removing four screws and lifting up as shown in Figure 24 Figure 24 gt Remove set aside the air discharge screen by unscrewing the 5 screws on the top Remove the one screws holding the control board cover as shown Figure 25 Remove the cover by lifting it up so its free from its hin
44. mn FPI 2R 17C 20FPI Power Supply Cable Power Cord No mm 3 2 1 Dimensions W D mm 1 066 406 505 inch 42 16 19 7 8 Net Weight kg Ibs 47 0 103 6 Tool Code Chassis YA Features Temperature Control Thermistor Energy Saver Mode Prefilter washable anti fungus Plasma Filter Steps Fan Cool Heat 2 2 2 Airflow Direction Control up amp down Manual Airflow Direction Control left amp right Remote Controller Type Wall Thermostat Setting Temperature Cooling 54 F 86 F 12 2 F 30 F Range Heating 54 F 86 F 12 2 F 30 F Auto Operation Micom Control Panel Touch Type Micom Timer 12h On Off Air Discharge Rear Air Ventilation Defrost Control Hot Start Look L Look Cabinet Type Chassis Type Slide In Out Special Function Note O Applied No relation For circuit breaker rating please confirm to local standards wherever necessary Some of functions are slightly different depending upon models Electric Heater 3 The specification may be subject to change without prior notice for purpose of improvement Copyright 92010 LG Electronics Inc All right reserved Only for training and service purposes LGE Internal Use Only 1 1 FEATURES AND BENEFITS The PTAC has many features some of which are different
45. nal Use Only LG US Service call Number 1 888 865 3026 CANADA Service call Number 888 LG Canada 888 542 2623 P NO MFL63264604 January 2010
46. nce Q Check capacitor Irregular motor insulation 7 gt Improper wiring Replacement lt _ Y Replacement of fan motor Irregular motor resistance Regular but fails to start Irregular motor insulation i Replacement of compressor locking of rotor metal Replacement of compressor Motor damaged Copyright 2010 LG Electronics Inc All right reserved 44 Only for training and service purposes LGE Internal Use Only COMPLAINT CAUSE REMEDY Fan motor will not run No power Check voltage at outlet Correct if none Power supply cord Check voltage to rotary switch If none check power supply cord Replace cord if circuit is open Rotary switch Check switch continuity Refer to wiring diagram for terminal identification Replace switch if defective Wire disconnected or connection loose Connect wire Refer to wiring diagram for terminal identification Repair or replace loose terminal Capacitor Discharge capacitor before testing Test capacitor Replace if not within 10 of manufacturer s rating Replace if shorted open or damaged Will not rotate Fan blade hitting shroud or cross flow fan hitting scroll Realign assembly Units using slinger ring condenser fans must have 1 4 to 5 e inch clearance to the base If it is hitting the base shim up the bottom of the fan motor with mounting screw s Check fan motor bearings if motor shaft will not ro
47. ning power cord lead on the center terminal of the second fuse holder Figure 49 8 Connect BK 10 wire from the side terminal of one fuse holder to the Line terminal on the electronic board Figure 48 9 Connect RD 10 wire from the side terminal of the other fuse holder to the common C terminal on the capacitor Figure 49 10 Tilt control panel back to original location being careful not to pinch any wires Align the control panel with the cover and screw panels into place with original screws Replace escutcheon and control knobs Fuse Holder Kit Installation With Subbase See previous section for installation in the control panel Remove both knockouts at the fuse holder location Figure 50 2 Install the fuse holders using screws provided The side connector tab on the fuse holders should be towards the left 3 Connect a stripped BK 9 wire to the center of the quick connect tab of the fuse holders Wire nut the other end of this wire to the black field connection wire TB1 Figure 51 4 Connect the other stripped BK 9 wire to the quick connect tab on the side of the same fuse holder Wire nut the other end to black subbase wire leading to receptacle Figure 51 Copyright 92010 LG Electronics Inc All right reserved Only for training and service purposes Figure 49 Fuse Holder Diagram Control Panel Installation FUSEHOLDERS E A ee J N J Jk
48. ollow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury Important Note The unit OFF switch does not disconnect all electrical power to this unit Copyright 92010 LG Electronics Inc All right reserved Only for training and service purposes Note A baffle kit must not be used with a stamped aluminum grille on any PTAC installation Stamped Aluminum Grille 1 Prepare the wall sleeve for installation of the grille by removing the cardboard stiffener and rear enclosure panel from the sleeve These items may be removed from inside of the building Note The sleeve stiffener must be taken out before the rear sleeve enclosure panel can be removed from the sleeve 2 Prepare the stamped aluminum grille for installation on the Sleeve by inserting the six 6 plastic grommets into the square holes located near the outer edges of all four sides of the grille With the grille positioned so the flanges of all four sides are in the up position insert the grommets so the square end protrudes through the grille in the opposite direction from the flanges Turn the grille so it can be removed through the rear sleeve opening gt Install the stamped aluminum grille by aligning the guide pins located in the lower right and left hand corners of the grille with the corresponding holes in the rear of the wall
49. one quarter screws provided Bottom of wall sleeve can be anywhere bubble in sight glass from three to five inches above the screw base Caulk around screws to prevent water leaks Figure 44 Leveling Leg Installation on Wall Sleeve 3 Level the sleeve horizontally from side to side Provide a Slight slope one quarter bubble in the sight glass toward the outside Check the level again after the unit has been installed Adjust the legs as needed Figure 43 Leveling Leg Assembly 1 8 Diameter holes four required per unit field drilled Leveler Bracket Speed Grip Nut Adjuster Screw NOTES 1 Two leveling legs are supplied in each kit 2 One kit is required per unit 3 Fout mounting screws are provided in each kit Copyright 2010 LG Electronics Inc All right reserved 34 Only for training and service purposes LGE Internal Use Only Hard Wire Kit Model AYAGALAO1 Description Hard Wire Junction Box Direct Wire Sub Base The hard wire junction box kit is used to hard wire the unit when it is not desirable to use the standard unit subbase or the unit power cord The junction box provides a protected enclosure for electrical connections as required by some electrical codes The hard wire junction box is intended to be mounted on the floor or the adjacent wall The junction box is furnished with approximately 2 1 2 feet of 1 2 inch flexible steel conduit and a metal box for securing the
50. r of disassembly Spraying NOTE All tube should be inserted into rubber elbows by at least 1 2 Figure 31 Pump assembly E Rubber elbows 3 Tube 2 14 Connect the condensate pump to the ICR relay of the terminal of the board as shown in Figure 32 amp 34 whichever is applicable Make sure to fasten the pump wire through the wire clip on the back side of the control barrier as shown in Figure 33 Figure 33 Figure 34 Figure 32 Copyright 2010 LG Electronics Inc All right reserved 29 Only for training and service purposes LGE Internal Use Only Architecture Grille Aluminum Single Pack Model AYAGALAO 1 Stamped Aluminum Grille Architecture Grille Description Outdoor grilles are attached to the wall sleeve and exposed to the exterior wall The grilles are an industry standard size of 42 x 16 Receiving Upon receipt of the product inspect the shipping carton for signs of visible damage Report any damage or shortage to the carrier and note it on the delivery receipt The unit must be stored in its original shipping carton in a dry secure place prior to its installation and use Installation The installation and servicing of the equipment referred to in this booklet should be performed by qualified experienced technicians N WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing F
51. re in heating If the indoor temperature is over 130 F the outdoor fan will be switched off and back on when the temperature drops below 120 F Outdoor Air Temperature Switchover This will effectively change the unit from heat pump mode to total electric resistance heat Temperature limits The unit is programmed to provide both heating and cooling temperature limits by dip switches on control panel from 50 F to 90 F Temperature limits help to prevent overheating and overcooling and reduce energy costs Condensate Drain Valve The unit has a condensate drain valve to prevent water from collecting or freezing in the basepan Quick Heater Recovery The unit is designed to operate the electric heater to warm the room to the temperature set point as soon as heat pump cycle is on in heating This feature has an advantage of reducing the time to reach the set point and improving the temperature increase for better comfort Reverse Cycle Defrosting PTHDs only The unit will activate the reverse cycle defrost when the outdoor coil temperature has remained at a cold temperature to form the ice on the coil This ice will reduce airflow though the coil and will also reduce the efficiency of unit The LG PTHP will employ an active reverse cycle defrost function to melt the ice off the outdoor coil for insuring room comfort conditions and savings from extended operation High Temperature Heat Pump Operation Protection The compressor will
52. ring is this booklet should be performed by qualified experienced available technicians Any other use may increase the risk of personal injury or property damage 1 Remove front from unit by pulling bottom out and then lifting upward Figure 21 Figure 23 New Door Installation Figure 21 Remove Front Hinge Pins Each Side Brackets Each Side Copyright 2010 LG Electronics Inc All right reserved 26 Only for training and service purposes LGE Internal Use Only Condensate Disposal Pump Kit Installation Model AYSB2101 Description The internal condensate pump serves as a means for disposing of condensate generated during heat pump operation by transferring it to the indoor coil The warm coil surface and the warm room air help in evaporation of the condensate while adding humidity to the room As with any equipment of this type the addition of this kit will decrease the effective heating capacity of the unit This kit is not intended for use in seacoast or corrosive environments NOTE Under extreme high humidity conditions the internal condensate pump may not be able to dispose of all the condensate produced and condensate would then drip from the outside of the wall sleeve If this condensation is unacceptable then a drain system including factory approved drain kit for the wall sleeve should be installed Receiving Upon receipt of the product inspect the shipping carton for signs of visible da
53. rs gt so Bg gt D o d og gt gt OG 5550 9 Se ooo0 7 Os tT fo o 25i N D 00090090 o gt 5 O 5 oom 2 S 5 J o o 5 o RAE gt gt gt gt gt gt o T 0 20 25 99229 N gt CS maw N A e M LGE Internal Use Only 12 Copyright 92010 LG Electronics Inc All right reserved Only for training and service purposes 2 2 2 CROSS FLOW Remove the front grille Refer to section 2 1 1 2 Remove the control box assembly Refer to section 2 1 2 3 Remove the Air Guide Assembly from the unit Refer to section 2 2 1 4 Loosen the screw on the cross flow fan See Figure 9 5 Remove the 4 screws which fasten the indoor motor and the earth wire See Figure 10 6 Remove the supports on both sides 7 Pull the cross flow fan out from the air guide 8 Re install the components by referring to the removal procedure 2 2 3 AXIAL FAN 1 Remove the brace 2 Remove the 4 screws which fasten the condenser with the shroud and the basepan See Figure 11 3 Remove the condenser sideways carefully 4 Remove the clamp which secures the fan with pliers See Figure 12 5 Remove the axial fan
54. s CH 01 Indoor Air Thermistor Error CH 02 Indoor Coil Thermistor Error CH 03 Outdoor Air Thermistor Error PTHP Only CH 04 Outdoor Coil Thermistor Error PTHP Only CH 05 Mode Error CH 06 Set point Error CH 07 Bad Thermistor Wiring CH 09 Pressure Switch Error Manual Controls ON Normal OFF No power failed board Fault Codes 1 Indoor Air Thermistor Error 2 Indoor Coil Thermistor Error 3 Outdoor Air Thermistor Error PTHP Only 4 Outdoor Coil Thermistor Error PTHP Only 5 Mode Error 6 Set point Error 7 Bad Thermistor Wiring 0 25 sec On per flash 0 25 sec OFF between flashes Ei ast Hate 2 00 sec between codes Copyright 2010 LG Electronics Inc All right reserved 7 Only for training and service purposes LGE Internal Use Only 1 4 ADDITIONAL CONTROLS REMOVING THE FRONT GRILLE REMOTE ON D A LOCAL OFF OFF OFF OFF OFF OFF 3 1 4 5 6 7 Remote Local Energy Saver Temperature Limit 1 Temperature Limit 2 Temperature Limit 3 PTAC PTHP UNIT TYPE 3 4 5 Cooling Operation Heating Operation Lowest Temp Highest Temp Lowest Temp Highest Temp OFF OFF OFF 54 F 12 2 C 86 F 30 0 C 54 F 12 2 C 86 F 30 0 C ON OFF OFF 56 F 18 3 86 F 30 0 C 54 F 12 2 C 84 F 28 9 C OFF ON OFF 58 F 14 4 C 86 F 30
55. sh with the finished indoor wall Mounting an outdoor grille or louver section to the building face may cause a space between the outdoor coil and the louver section Air splitters aligned with the ends of the outdoor coil must be installed between the outdoor coil inlet and outlet air streams Gaps between the outdoor coil and the louver section may allow condenser air recirculation and affect the operation of the unit See the Architecture Grille Aluminum The wall case should be level from side to side and from level to 1 4 bubble tilt to the outdoors The condensate disposal system in the unit is designed to dissipate the condensate water generated during cooling operation in accordance with ARI standards and actually uses this water for maximum unit efficiency A level unit will also insure proper performance of the Internal Condensate Removal ICR system optional on heat pump units For new construction early planning with the architect is necessary Unit location electrical connection locations and wall openings of the proper dimensions are essential to avoid the necessity of rework fillers framing moving electrical outlets and other expensive Copyright 92010 LG Electronics Inc All right reserved Only for training and service purposes modifications For existing construction it is important that carpentry masonry and electrical work be performed by competent qualified personnel Since installations in exis
56. ss valve which you installed as the system was opened 2 Connect the charging cylinder as shown in Figure 16B With valve C open discharge the hose at the manifold connection 3 Open valve A and allow the proper charge to enter the system Valve B is still closed 4 If more charge is required the high side will not take it Close valve A 5 With the unit running open valve B and add the balance of the charge a Do not add the liquid refrigerant to the low side b Watch the low side gauge The Pressure of optimum condition is as below Cooling OUTSIDE TEMPERATURE THE PRESSURE OF LOW SIDE GAUGE 35 C 95 F 8 8kgf cm G 124 5 Ibf in G c Turn off valve B and allow pressure to drop d Repeat steps B and C until the balance of the charge is in the system 6 When satisfied the unit is operating correctly use the pinch off tool with the unit still running and clamp on to the pinch off tube Using a tube cutter cut the pinch off tube about 2 inches from the pinch off tool Use sil fos solder and solder pinch off tube closed Turn off the unit allow it to set for a while and then test the leakage of the pinch off connection LGE Internal Use Only Equipment needed Vacuum pump charging cylinder manifold gauge brazing equipment pinch off tool capable of making a vapor proof seal leak detector tubing cutter hand tools to remove components service valve MPOUND GAUGE CONDENSER E TO N
57. t this manual Read these carefully Z WARNING Indicates potentially hazardous situation which if not avoided could result in death or serious injury N CAUTION Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury It may also be used to alert against unsafe practices CAUTION Indicates a situation that may result in equipment or property damage only accidents Control Panel Key Lock 2 Remove existing door assembly by lifting door halfway and using both hands bow door just enough for door hinge pins Model AVORTON to slide out of mating holes Figure 22 Figure 22 Door Removal Description The Key Lock kit prevents tampering of the controls used to set temperatures and heating or cooling functions Receiving 31 Upon receipt of the product inspect the shipping carton for signs of visible damage Report any damage or shortage to the carrier and note it on the delivery receipt Unit must be stored in its original shipping carton in a dry secure place prior to its installation and use 3 Install the new door assembly with the key lock by bowing the door with both hands and aligning the door hinge pins with their bracket in the front Figure 23 Important Note Installation Personal Risk Hazard Underwriter s Laboratories Inc listed The installation and servicing of the equipment referred to in For institutional use only where supervisory monito
58. tate replace the motor Fan motor runs intermittently Revolves on overload Check voltage See limits on this page If not within limits call an electrician Test capacitor Check bearings Does the fan blade rotate freely If not replace fan motor Pay attention to any change from high speed to low speed If the speed does not change replace the motor Fan motor noise Grommets Check grommets if worn or missing replace them Fan If cracked out of balance or partially missing replace it Turbo fan If cracked out of balance or partially missing replace it Loose set screw Tighten it Worn bearings If knocking sounds continue when running or loose replace the motor If the motor hums or noise appears to be internal while running replace motor Copyright 92010 LG Electronics Inc All right reserved Only for training and service purposes 45 LGE Internal Use Only COMPLAINT CAUSE REMEDY Compressor will not run but fan motor runs Voltage Check voltage See the limits on the preceding page If not within limits call an electrician Wiring Check the wire connections if loose repair or replace the terminal If wires are off refer to wiring diagram for identification and replace Check wire locations If not per wiring diagram correct Rotary Check for continuity refer to the wiring diagram for terminal identificat
59. th the NEC and local codes local regulations FUSE Use a time delay fuse or circuit breaker Refer to the nameplate for proper power supply requirements 3 3 2 ELECTRICAL SAFETY IMPORTANT GROUNDING INSTRUCTIONS Tandem 15A Perpendicular 20A Large Tandem 30 A 208 230 volt receptacle configuration The air conditioner has a three prong grounding plug on its power supply cord which must be plugged into properly grounded three prong wall receptacle for your protection against possible shock hazard FUSE Use a time delay fuse or circuit breaker Refer to the nameplate for proper power supply requirements 208 230 and 208 230 VOLT UNITS These units are equipped with a three prong grounding plug on the power supply cord which must be plugged into a matching properly grounded three prong wall receptacle for your protection against possible shock hazard If such an outlet is not present one must be installed by a qualified electrician in accordance with the National Electrical Code and local codes and ordinances NOTE DO NOT USE AN EXTENSION CORD on 208 230 and 208 230 Volt units Copyright 2010 LG Electronics Inc All right reserved 25 Only for training and service purposes LGE Internal Use Only 4 Field installed accessories Note The installation and servicing of this equipment must be performed by qualifieed experienced technicians NOTICE Warnings and Cautions appear at appropriate sections throughou
60. than those found on conventional PTAC units The servicer must be familiar with these features in order to properly service the unit THE SLEEVE AND THE REAR GRILLE Available as an option VERTICAL AIR DEFLECTOR SLEEVE ASSEMBLY REAR GRILLE Horizontal Louver Including Aluminum Rear Grille Aluminum Rear Grille SSS o9 99 5552 AIR FILTER ES 5552 SSS SSS 555 SSS 555 55555 5555 555 25222 555555552 5555 ES INLET GRILLE Air Intake EXPANDED METAL GRILLE Superior for a performance IIR Infinite Impulse Response The IIR function senses the temperature several times per second and makes micro adjustments several times per Compressor Restart Delay This feature extends the overall life of compressor by preventing the short cycling of the air conditioner When the compressor restarts LG PTAC is designed to give a minimum of three minutes to have a time of equalizing the refrigerant pressures for optimizing cycling Fan Only Setting High Low The fan can run at HIGH or LOW speed without COOLING or HEATING to provide air circulation and ventilation Indoor Fan Speed Selections High Low The fan can run at HIGH or LOW speed for either COOLING or HEATING Two Fan motors The unit has two fan motors to provide quiet operation and maximum efficiency LED Diagnostics All units have this feature indicating the problem when the unit is not operating properly with
61. ting construction may involve removal of building material from the structure locating the wall case must be done correctly 20 LGE Internal Use Only 3 2 2 PREPARATION OF THE FRONT The outside edge of the wall case should extend at least GRILLE 1 4 beyond the outside wall Carefully remove shipping tape from the front grille This is necessary for proper caulking to prevent sealing thedrain holes in the rear flange of the wall case and to facilitate the installation of an accessory drain if used The wall case should be level from side to side and from level to 1 4 bubble tilt to the outdoors The condensate disposal system in the unit is designed to dissipate the condensate water generated during cooling operation in O T MEC Y accordance with ARI standards and actually uses this water for maximum unit efficiency A level unit will also insure proper performance of the Internal Condensate Removal ICR system optional on heat pump units S Shipping Tape Brick Frame Stucco and Shingle Construction For new construction the opening for the wall case should be 2 The wall case should be secured to the wall at both sides framed and the wall case inserted into the opening during Use a minimum of two screws or other fastening device on construction Lintels should be used when the building each side See Figure 2 Mark the wall case on each side material is heavy and is not self supporting such
62. to prevent objects from entering the box Replace the retaining ring back on the conduit clamp inside the metal box and tighten the ring securely 10 Insert the three wires extending from the metal box into the incoming power opening on the unit so that approximately 20 508 mm of the wires protrude through the opening 11 Attach the metal box to the chassis with the two screws provided See Figure 45 12 Insert the wire tie into the 1 4 diameter hole located just above the incoming power opening Tie all wires together securely with the wire tie See Figure 46 gt e co 35 LGE Internal Use Only 208 230 Volt Units 1 Remove and discard the white lead from the wire assembly 2 Connect the black lead to the line 2 terminal on the control board 3 Connect the red lead to the common C terminal on the capacitor 4 Connect the ground wire to the partition panel where the ground wire on the power cord was located Use the supplied green ground screw 5 Connect the red lead in the wire assembly at the junction box to the red lead of the field power source 6 Connect the black lead in the wire assembly at the junction box to the black lead of the field power source 7 Connect the ground wire of the field power source to the ground wire of the wire assembly at the junction box 8 Install the junction box cover plate 9 Reinstall the control panel assembly 265 Volt
63. uld result in death or serious injury Important Note The unit OFF switch does not disconnect all electrical power to this unit CAUTION Use Copper Conductors Only Unit terminals are not designed to accept other types of conductors Failure to use copper conductors may result in equipment damage Important Note All wiring must comply with applicable local and national codes Types and location of disconnect switches must comply with all applicable codes 1 Remove the cover plate from the junction box 2 Mount the junction box to the wall or floor within 28 711 mm of the lower right corner of the wall sleeve disconnect switch is to be used make electrical connections to it and mount the switch in the junction box Refer to the Power Switch Installation Instructions Remove control panel assembly by removing the two screws holding control panel in place Rotate the panel forward Disconnect the power cord leads from all electrical connections including the ground wire Remove the power cord clamp and the power cord from the unit For 208 230 volt units remove and discard the white lead from the wire assembly For 265 volt units remove and discard the red lead from the wire assembly Remove the retaining ring from the threaded portion of the straight conduit clamp Insert the three wires into the metal box through one of the two openings in the box Replace the hole cover grommet into the unused hole
64. undesirable See Figure 35 for all components of the drain kit N WARNING Hazardous Voltage Disconnect all electric power including remote disconnects before servicing Follow proper lockout tagout procedures to ensure the power can not be inadvertently energized Failure to disconnect power before servicing could result in death or serious injury Important Note The unit OFF switch does not disconnect all electrical power to this unit Copyright 92010 LG Electronics Inc All right reserved Only for training and service purposes Receiving Upon receipt of the product inspect the shipping carton for signs of visible damage Report any damage or shortage to the carrier and note it on the delivery receipt The product must be stored in its original shipping carton in a dry secure place prior to its installation and use Installation The installation and servicing of the equipment referred to in this booklet should be performed by qualified experienced technicians Figure 35 Components of Drain Kits DRAIN FITTING BLANK OFF BLANK OFF PLATE B PLATE C PLATE C gt bm GASKETS A 1 2 DRAIN FITTING MTG SCREWS MTG SCREWS BLANK OFF GASKET E FOR PLATED PLATED Drain Installation Note The optional drain kit serves only as a link between the unit and field supplied condensate drain system Installing the kit without connecting it to a drainage system Will result in inadequate condensate removal possible
65. ve the front grille Refer to section 2 1 1 2 Discharge the refrigerant completely 3 Remove the control box assembly Refer to section 2 1 2 4 Remove the 4 screws which fasten the evaporator at the left side and the right side 5 Move the evaporator sideward carefully and then unbraze the interconnecting tube at the evaporator connectors 6 Remove the evaporator 7 Re install the components by referring to notes See Figure 20 2 4 3 CAPILLARY TUBE 1 After discharging the refrigerant completely unbraze the interconnecting tube at the capillary tube 2 Remove the capillary tube 3 Re install the components by referring to notes Copyright 2010 LG Electronics Inc All right reserved 16 Only for training and service purposes Figure 19 Figure 20 XC C J 902 LGE Internal Use Only 5 Replacement of the refrigeration cycle When replacing the refrigeration cycle be sure to discharge the refrigerant system using a refrigerant recovery system If there is no valve to attach the recovery system install one such as a WATCO A 1 before venting the refrigerant Leave the valve in place after servicing the system After discharging the unit completely remove the desired component and unbraze the pinch off tubes Solder service valves into the pinch of
66. ze the suction and discharge tubes at the compressor connections Remove the 3 nuts and the 3 washers which fasten the compressor See Figure 15 Remove the compressor Re instill the components by referring to the removal procedure above 2 3 4 CAPACITOR 1 2 Remove the control box Refer to section 2 1 2 Remove 1 screw and disconnect the leads which connected to the box type capacitor See Figure 16 Remove 1 screw and the clamp which fastens the can type capacitor Disconnect all the leads of capacitor terminals Re install the components by referring to the removal procedure above Copyright 2010 LG Electronics Inc All right reserved 14 Only for training and service purposes Figure 13 Figure 15 Figure 16 LGE Internal Use Only 2 3 5 POWER 1 Remove the control box Refer to section 2 1 2 2 Disconnect the grounding screw from the control box 3 Disconnect 2 receptacles 4 Remove a screw which fastens the clip cord 5 Separate the power cord from the control box See Figure 17 6 Re install the component by referring to the removal procedure above Use only one ground marked hole lt gt for ground connection 7 If the supply cord of this appliance is damaged it must be replaced by an exact replacement part The special cord means the cord which has the same specification marked on the supply cord fitted to the unit 2

Window Air Conditioner SVC MANUAL(Exploded View)

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