Room Air Conditioner Service and Parts Manual
Contents
1. 8 ooo o 9 GN MOTOR oo om amp CN TH2 5 0 8 e 8 5 501 Jos 5 o 2 a 2 5 o g 9 mors 5 TE oseo To 6 o amp Roem cot D 2 4 080 fo 1 O O O 03 E023 EON cq J8 oe so e 0 9 POVER O O o TRANS E04J 605 RY COMP FUSE O 280V T2h 34 SSEMBLY 6871420167 2500 1950 Se 5 4 COMPONENTS LOCATION FOR DC P C B ASM MODEL KP08A10 C O lt o J07 Jos ou o 0 gt lt 0 ta 8 LEDt O SEGMENT lt 1945 54085 WIESE RECEIUER oo T o po i 4 92 596 b v O Vy LERE 7 A SHING 8 60 o PCB 6870A90067C V gJ05 8 BEB ASM 6871A2032 0 SS gt lt o 9 LED4 LED lt gt O 82. 18752 16 4 2 PIPING SYSTEM CONDENSER COIL een CAPILLARY TUBE MOTOR COMPRESSOR TURBO FAN EVAPORATOR COIL Figure 32 is a brief description of the important components and their function in what is called the refrigeration system This will help you to understand the refrigeration cycle and the flow of the refrigerant in the cooling cycle ROOM AIR CONITIONER CYCLE OF REFRIGERATION EVAPORATOR COILS CONDENSER COILS VAPOR INLET SUCTION LINE COMPLETE LIQUID HOT BOIL OFF POINT DISCHARGED COOLED AIR AIR lt NU 29 OUTSIDE COOLING AIR FOR REFRIGERANT PASS THROUGH gt LIQUID PRESSURE DROP LIQUID OUTLET ZZ HIGH PRESSURE VAPOR CAPILLARY TUBE a EN REFRIGERANT 2228 Low PRESSURE VAPOR Figure 32 a 4 3 TROUBLESHOOTING GUIDE In general possible trouble is classified in two kinds The one is called 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 Ineffective Cooling Check cold air circulation Check outdoor coil for smo
3. Service and Parts KP Line 115Volts KPO8A10 03 03 5 1 PREFACE 3 INSTALLATION 1 1 SAFETY PRECAUTIONS 2 3 1 SELECT THE BEST LOCATION 12 1 2 INSULATION RESISTANCE TEST 2 3 2 CHECK OF 12 1 3 SPECIFICATIONS 3 3 3 HOW TO DRAIN 12 1 4 4 3 4 HOW TO INSTALL 13 1 5 CONTROL LOCATIONS 4 3 4 1 WHEN USING GASKET 13 2 DISASSEMBLY INSTRUCTIONS 3 4 2 WHEN USING INSTALLATION KITS 13 2 1 MECHANICAL 5 4 TROUBLESHOOTING GUIDE 2 1 1 FRONT GRILLE 5 4 1 OUTSIDE 16 2 5 4 2 PIPING 5 5 nn 17 2 1 3 CONTROL 0 ueu 5 4 3 TROUBLESHOOTING GUIDE 18 2 2 AIR HANDLING PARTS 6 eee 6 5 SCHEMATIC DIAGRAM enun AUDEAND TURBO 9 5 1 CIRCUIT DIAGRAM 30 2 2 2 FAN 6 5 2 ELECTRONIC CONTROL DEVICE 33 2 2 9 z Sau 7 5 3 COMPONENTS LOCATION FOR MAIN P C B ASM 32 2 3 ELECTRICAL 7
4. Possible Trouble 7 It displays abnormally on DC PCB Ass y NO CN AC DC exactly Exchange IC01G Is the ICO1G all right NO Is the connection of Connect connector gt to CN AC DC exactly CN AC DC all right Does the IC03G NO Exchange IC03G Q01G Q02G Q03G Q01G 0026 0036 for Delux Mode operate normally on DC PCB Ass y YES Exchange the DC PCB Ass y 23 for Delux Model ELECTRICAL PARTS TROUBLESHOOTING GUIDE LW8000ER Possible Trouble 1 The unit does not operate Is the Trans input power NO Check the Fuse AC 115V yES Is the Trans output power about AC 14V Is output Voltage of ICO1D NO Is shorted the Trans output Check the wiring diagram Check the AC PCB pattern Exchange the Trans e Exchange 0020 0050 DC 12V NO gt Exchange IC01D Is output Voltage of ICO2D DC 5V Is the reset circuit all right NO Exchange ICO2D The No 14 of Micom is 5V Is the connection between NO Exchange 001 Connect connector AC and DC all right Is NO exactly Check the PCB Is the voltage No 40 of Micom Exchange AC PCB Ass y
5. 24 pattern Possible Trouble 2 Is desired Temp set lower than Room Temp 0 5 C Is the voltage No 10 of ICO1M OV The compressor does not operate NO Select the desired Temp to lower Number Is the voltage NO 9 of 01 DC 12V Is the Unit for 3 minutes Check the wiring Diagram Check the RY COMP Exchange ICO1M Possible Trouble 3 Wait 3 Minutes Exchange AC NO Is the wire connection of NO RY COMP all right js PCB Ass y The compressor always operate Connect LEAD Wire to RY COMP again Check the RY COMP 25 Possible Trouble 4 FAN does not operate Exchange ICO1M Is the voltage NO 1 or 2 or 4 NO Is the voltage NO 16 or 15 or 13 of ICO1M OV YES Check the RY Hi or RY Med or RY Lo Check the wiring diagram Possible Trouble 5 Remote controller does not operate Is the voltage of Battery NO Exchange ICO1M about over 2 3V 5 the voltage No 10 NO Exchange the battery of CN AC DC on AC PCB Ass y DC 5V Is the connection of NO Check the PCB pattern Connect connector to CN AC DC all right Exchange Receiver As
6. ON OFF TIMER BUTTON You can set the time when the unit will turn on or turn off automatically by pressing the timer button If the unit is operating this button controls the time it will be turned off If the unit is off state this button controls the time it will start Every time you push this button the remaining time will be set as follows Stopping operation 1Hour gt 2Hours gt 3Hours gt 4Hours gt 5Hours gt 6Hours gt 7Hours gt 8Hours gt 9Hours gt 10Hours gt 11Hours gt 12Hours gt OHour gt 1Hour gt 2Hours gt Starting operation 1Hour 2Hours 3Hours gt 4Hours gt 5Hours gt 6Hours 7Hours gt 8Hours 9Hours gt 10Hours gt 11Hours gt 12Hours gt off gt 1Hour gt 2Hours gt 6 REMOCON SIGNAL RECEIVER N 2 DISASSEMBLY INSTRUCTIONS Before the following disassembly POWER SWITCH set to OFF and disconnect the power cord 2 1 MECHANICAL PARTS 2 1 1 FRONT GRILLE 1 2 3 4 5 Open the Inlet grille downward and remove the air filter Remove the screw which fastens the front grille See Figure 1 Pull the front grille from the right side Remove the front grille There are 4 hooks Re install the components by referring to the removal procedure above 2 1 2 CABINET 1 A After disassembling the FRONT GRILLE remove the 2 screws which fasten the cabinet at both sides Remove the 2 screws which fasten the cabinet a
7. Check continuity of the thermostat Replace thermostat if circuit is open Capacitor Discharge capacitor before servicing Check the capacitor Replace if not within 10 of manufacturers rating Replace if shorted open or damaged Compressor Check the compressor for open circuit or ground If open or grounded replace the compressor Overload Check the compressor overload if externally mounted Replace if open If the compressor temperature is high remove the overload cool it and retest Compressor cycles on overload Voltage Check the voltage 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 Compressor cycles on overload Fan motor If not running 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 damaged If condenser fins are closed over a large area on the coil surface head pressures will increase causing the compressor to overload Straighten the fins or replace the coil Compressor cycles on overload Capacitor Test capacitor Wiring Check the terminals If loose repa
8. 17 BASE ASSEMBLY SINGLE 3041A20021N 1 R 18 AIR GUIDE 5238A20007A 1 R 19 AIR GUIDE 5238A20009A 1 R 20 DAMPER VENTILATION 4900A20003A 1 R 21 ORIFICE 4948A10014A 1 R 22 MOTOR ASSEMBLY SINGLE 4681A20027X 1 R 23 SHROUD 4998A10012A 1 R 24 FAN TURBO 5900A20020A 1 R 25 FAN ASSEMBLY AXIAL 5900AR1167B 1 R 26 67302500 CLAMP SPRING 3H02932B 2 R 27 BRACE 4800A30002A 1 R 28 EVAPORATOR ASSEMBLY FIRST 5421A10026D 1 R 29 CONDENSER ASSEMBLY BENT 5403A20043M 1 R 30 67307100 RUBBER 4H02023A 1 R CONTROL BOX ASSEMBLY SINGLE 4995A20278K 1 N 31 CONTROL BOX SINGLE 4994A10029A 1 R 32 PANEL CONTROL 3720A10111B 1 R 33 CAPACITOR DRAWING 6120AR2359V 1 R 34 POWER CORD ASSEMBLY 6411A20011F 1 R 35 THERMISTOR ASSEMBLY 6323A20004D 1 R 36 CONNECTOR ASSEMBLY 6631AR3843U 1 R 37 CONNECTOR ASSEMBLY 6631A30003A 1 R 38 COVER CONTROL BOX 3550A30114A 1 R 39 PWB PCB ASSEMBLY MAIN AC 6871A20167C 1 R 34 LOCATION FRIEDRICH PART NO QTY e BARTNO DESCRIPTION 7 7 per SET REMARK 40 PWB PCB ASSEMBLY MAIN DG 6871A20324A 1 R 41 ESCUTCHEON 3831A10021N 1 R 42 REMOTE CONTROLLER ASSEMBLY 6711A20056U R D PIPE R 43 TUBE ASSEMBLY SUCTION SINGLE 5211A20228F 1 R 44 TUBE ASSEMBLY DISCHARGE SINGLE 52114100740 1 R 45 TUBE ASSEMBLY FORMED COND 5211AR3399Y 1 R 46 TUBE CAPILLARY BEND 52104300180 1 R 47 TUBE ASSEMBLY EVAPORATOR IN 5211A20470G 1 R INSTALL PART ASSEMBLY SINGLE 3127AR3403M 1 R 48
9. 2 Connect to a single outlet 15A circuit or 20A circuit for Electric Heater Model 3 To avoid vibration or noise make sure the air conditioner is installed securely 4 Avoid placing furniture or draperies in front of the air inlet and outlet 3 3 HOW TO DRAIN When using drain pipe The air conditioner must be installed horizontally or tilted slightly to the outside for proper water drainage On exceptionally hot and humid days the air conditioner may overflow condensed water If the air conditioner is used in hot and a high humidity zone exchange the 69 HOLE RUBBER for the DRAIN PIPE See figure 18 figure 19 12 AWNING FENCE COOLED AIR HEAT RADIATION zo E ABOUT 1 2 Over 20 Figure 17 BASE PAN Figure 18 BOTTOM D HOLE RUBBER BASE PAN D Figure 19 HOLE RUBBER 3 4 HOW TO INSTALL 3 4 1 WHEN USING GASKET 1 WINDOW WIDTH A HEIGHT B RIGHT SIDE HORIZONTAL LINE 4 DETAILS 5 1 x 30 ROUND HEAD WOOD 2 GASKET SCREWS 3 WALL A B D E F H J K 535mm 366mm 250mm 30mm 0 25mm OVER 420mm 32 5 10mm 0 5mm 21 1 2 147 16 10 11 16 0 1 OVER 1617 32 114 3 16 3 8 0 3 16 3 4 2 WHEN USING INSTAL
10. 69 9 g 69 mum R PURIFIERY SWOBG SG 5 E Dst AIR Poiret 9 TEMP DON TEMP UP FAN 8 o o o o 9 9 g o LEDS E 0 0 1 0 0 5 1020 LEDS RTL o Oe T TIMER 0 N S 5 3 DRY HEAT o En o o Ge s lt N ala v N H 5 5 BZO1E 388 ooo 8 Que 54046 54016 8065 CNTHLO O suo26 ELA E O o MODE FAN ON OFF O G lt lt 0 5 0 932 6 EXPLODED VIEW MODEL LW8000PR 7 REPLACEMENT PARTS LIST MODEL KP08A10 R Service Parts N Non Service Parts LOCATION FRIEDRICH PARTNO QTY NS PART HO DESCRIPTION WENT REMARK FRONT GRILLE ASSY 3531A20189A 1 R 1 FRONT GRILLE 3530A20036A 1 R 2 INLET GRILLE 3530A20080A 1 R 3 AIR FILTER ASSY 5231A20006A 1 R 4 LOUVER HORIZONTAL 4758A20019A 1 R 5 LOUVER VERTICAL 4758A20040A 1 R 6 LOUVER VERTICAL 4758A20040B 1 R 7 CABINET ASSEMBLY SINGLE 3091AR2317H 1 R IESE COMP amp ACCESSORY ASSY 8 ANTI VIBRATION BUSH 4830AR4335A 3 R 9 COMPRESSOR 5416A90007A 1 R 10 BRACKET WASHER 4810AR4155B 3 N 11 67301700 HEXAGON NUTS 1NHA0801206 3 N 12 67301502 GASKET 4986A30001A 1 R 13 O L P 6750A30001N 1 R 14 67301202 TERMINAL COVER 3550A30048A 1 R 15 67301100 GASKET NUT 4H01058A 1 R 16 67301000 NUT TERMINAL COVER 4H00947A 1 R
11. Refer to section 2 1 3 Remove the 4 screws which fasten the brace Remove the brace Remove the 2 screws which fasten the air guide upper Remove the air guide upper See figure 4 Remove the 2 screws which fasten the evaporator Move the evaporator forward and pulling it upward slightly See Figure 5 10 Pull out the hook of orifice by pushing the tabs 11 and remove it See Figure 6 Remove the clamp with a hand plier which secures the turbo fan 12 Remove the turbo fan 13 Remove the 2 screws which fasten the air guide from the base pan 14 Move the air guide backward and pull out from the base pan Move the air giude lower carefully 15 Re install the components by referring to the removal procedure above 2 2 2 FAN Q 2 M2 Remove the cabinet Refer to section 2 1 2 Remove the brace Refer to section 2 2 1 Remove the 5 screws which fasten the condenser Move the condenser to the left carefully Remove the clamp which secures the fan Remove the fan See Figure 7 Re install by referring to the removal procedure Figure 4 Figure 5 Figure 6 Figure 7 2 lt 4 L W NN fs lt gt U K 2 2 3 SHROUD 1 Remove the fan Refer to section 2 2 2 2 Remove the shroud See Figure 8 3 Re install the components by referring to the remov
12. and each exposed metallic part on the equipment at all the positions except OFF of the ROTARY SWITCH 4 The value should be over 1MQ 2 1 3 SPECIFICATIONS 1 3 1 FOR LW8000PR MODEUS 10 POWER SUPPLY 10 115 60Hz COOLING CAPACITY Btu h 7 850 INPUT W 730 RUNNING CURRENT A 6 6 E E R BTU W h 10 7 OPERATING INDOOR C 267 DB 194 WB CONDITION OUTDOOR C 35 DB 23 908 REFRIGERANT R 22 CHARGE 440g 15 5 oz EVAPORATOR 3 ROW 11 STACKS SLIT FIN TYPE CONDENSER 2 ROW 16 STACKS L BENDED TYPE FAN INDOOR TURBO FAN FAN OUTDOOR PROPELLER TYPE FAN WITH SLINGER RING FAN SPEEDS FAN COOLING 3 3 FAN MOTOR 6 POLES OPERATION CONTROL REMOTE CONTROLLER ROOM TEMP CONTROL THERMISTOR AIR DIRECTION CONTROL VERTICAL LOUVER RIGHT amp LEFT HORIZONTAL LOUVER UP amp DOWN CONSTRUCTION SLIDE IN OUT CHASSIS PROTECTOR COMPRESSOR OVERLOAD PROTECTOR FAN MOTOR INTERNAL THERMAL PROTECTOR POWER CORD 3 WIRE WITH GROUDING ATTACHMENT PLUG CORD CONNECTED TYPE DRAIN SYSTEM DRAIN PIPE OR SPLASHED BY FAN SLINGER NET WEIGHT Ibs kg 62 28 OUTSIDE DIMENSION inch 203 32 x 13 29 a2x 68 WxHxD mm 510 x 354 x 490 DB Dry Bulb WB Wet Bulb 1 4 FEATURES Designed for COOLING ONLY Built in adjustable Thermistor Powerful and whispering cooling W
13. 5 4 COMPONENTS LOCATION FOR DISPLAY P C B ASM 32 2 3 1 OVERLOAD PROTECTOR aaeeea 7 2 8 2 7 6 EXPLODED VIEW gt 33 2 3 3 OAPACITOB etta GAN 8 7 REPLACEMENT PARTS LIST 34 2 3 4 POWER 000 8 2 3 5 9 2 4 REFRIGERATION CYCLE 9 2 4 1 9 2 4 2 9 2 4 3 CAPILLARY tt 10 1 PREFACE This SERVICE MANUAL provides various service information including the mechanical and electrical parts etc This room air conditioner was manufactured and assembled under a strict quality control system The refrigerant is charged at the factory Be sure to read the safety precautions prior to servicing the unit 1 1 SAFETY PRECAUTIONS 1 When servicing the unit set the ROTARY SWITCH or POWER SWITCH to OFF and unplug the power cord 2 Observe the original lead dress If a short circuit is found replace all parts which have been overheated or damaged by the short circuit 3 After servicing the unit make an insulation resis tance test to protect the customer from being exposed to shock hazards 1 2 INSULATION RESISTANCE TEST 1 Unplug the power cord and connect a jumper between 2 pins black and white 2 The grounding conductor green is to be open 3 Measure the resistance value with an ohm meter between the jumpered lead
14. 8 r o x o e coa 0 b one F x x x ozons bos 6 B ER coo ivo 1000 i i 0 bu TEE an ZENO cor ame 8 gt s Tamer ooemns Jens ae AUU 0 IMS gueos a 5 Fas D z mea T vuesrasa 1 E T cus CE 1 n e guess 5 T naeeaawns Tz Z T 9 MOTAH 8 1NOONO ems 75 D Z un vas 2 I EVEN x D ec oj EFE ggg ai 5 9 9 F F 2 5 E e e So oes SAH NO m x UN 8 ras Hiza jasia E sos t woz tolm vp ovy wal zooszmns avou mom n ZHI NO yra 2 Er 5 Hrou L weise UON 910050 20 00ZMMYWS x o Tee v IHENO HI NOOH 5 us POW enim ded np 31 5 3 COMPONENTS LOCATION FOR P C B ASM MODEL KP08A10
15. APILLARY TUBE SEE INSETS BELOW EVAPORATOR LOW PRESSURE SIDE COMPRESSOR EXTERNAL VACUUM PUMP CHARGING CYLINDER Figure 16A Pulling Vacuum Figure 16B Charging 11 3 INSTALLATION 3 1 SELECT THE BEST LOCATION 1 To prevent vibration and noise make sure the unit is installed securely and firmly 2 Install the unit where the sunlight does not shine directly on the unit 3 The outside of the cabinet must extend outward for at least 12 and there should be no obstacles such as a fence or wall within 20 from the back of the cabinet because it will prevent heat radiation of the condenser Restriction of outside air will greatly reduce the cooling efficiency of the air conditioner CAUTION All side louvers of the cabinet must remain exposed to the outside of the structure 4 Install the unit a little slanted so the back is slightly lower than the front about gt This will help force con densed water to the outside 5 Install the unit from the bottom about 30 60 above the floor level 3 2 CHECK OF INSTALLATION The setting conditions must be checked prior to initial starting The undermentioned items are especially important checking points when the installation is finished 1 Grounding wire Green or Green and Yellow is provided in the power cord The green wire must be grounded
16. LATION KITS A WINDOW REQUIREMENTS This unit is designed for installation in 25 to 36 standard double hung windows with actual opening 15 min Stool widths from 25 to 36 Offset The top and bottom window sash must open Sb to ia sufficiently to allow a clear vertical opening of 16 yM from the bottom of the upper sash to the window Sill stool N A Interior wall T Exterior 203 22 min Without frame curtain B INSTALLATION KITS CONTENTS NO NAME OF PARTS Q TY 1 FRAME CURTAIN 2 2 SILL SUPPORT 2 3 BOLT 2 4 NUT 2 5 SCREW TYPE A 13 6 SCREW TYPE B 3 7 SCREW TYPE C 5 8 FOAM STRIP 1 11 FRAME GUIDE 2 12 WINDOW LOCKING BRACKET 1 13 FOAM PE 1 13 SUGGESTED TOOL REQUIREMENTS SCREWDRIVER RULER KNIFE HAMMER PENCIL LEVEL PREPARATION OF CHASSIS 1 Remove the screws which fasten the cabinet at both sides and at the back 2 Slide the unit out from the cabinet by gripping the base pan handle and pulling forward while bracing the cabinet 3 Cut the window sash seal to the proper length Peel off the backing and attach the Foam Pe to the underside of the window sash 4 Remove the backing from the top upper guide Foam 4 and attach it to the bottom of the Upper Guide 40 5 Attach the upper guide onto the top of the cabinet with 3 type A screws 6 Insert the Frame Guides into the bottom of the cabinet 7 Insert the Frame Curtain into the
17. NIC CONTROL DEVICE m MODEL KP08A10 asna oro 0 x dii H3MOd NIVW AHOWHLS anonser woes srei soes sis 1N3WO3S 88 OQ OV NO OQ OV NO AF usos EZ Mid AVED SEEN wi CE ess ai UMd NO IS n m fall Ts 29 9 E IRA ER ese n in mota 65 5 5 WPOOZNTIN G eye M 31001 s E 1 TI HOLOW NO pro 990 5 95045 k 5 Le ANMAN D NS ananas jean MEM fu to E 88
18. Remove the 5 screws which fasten the brace Refer to section 2 2 1 3 Remove the 5 screws which fasten the condenser and shroud 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 14 wl 2 4 2 EVAPORATOR Figure 14 es 1 Remove the control box Refer to section 2 1 3 2 Remove the air guide upper Refer to section 2 2 1 3 Remove the 2 screws which fasten the evaporator 4 Move the evaporator sideways carefully Refer to section 2 2 1 5 After discharging the refrigerant completely unbraze the interconnecting tube at the evaporator connections 6 Remove the evaporator 7 Re install the components by referring to notes See Figure 15 Figure 15 2 4 3 CAPILLARY TUBE 1 Remove the cabinet Refer to section 2 1 2 3 Remove the capillary tube 2 After discharging the refrigerant completely unbraze the interconnecting tube at the capillary tube See caution above NOTES Replacement of the refrigeration cycle 4 Re install the components by referring to notes 1 When replacing the refrigeration cycle be sure to 6 Recharge as follows Discharge the refrigerant system using a Freon recovery System If there is no valve to attach the recovery system install one such as a WATCO A 1 before ve
19. UPPER GUIDE 4974AR3328C 1 R 49 67303802 CURTAIN ASSEMBLY 4959AR3402A 1 R 50 67303803 CURTAIN ASSEMBLY 4959AR3402B 1 R 51 67306500 BRACKET ANGLE 4810AR3240A 2 R 52 67306700 NUT HEXAGON 1NHC1000006 2 R 53 67306600 BOLT 1BHD1004006 2 R 54 67306400 FRAME GUIDE 3210AR3337A 1 R 55 67306902 _ WASHER PLAN 4H01029D 1 R 56 67307000 DRAIN PIPE 3H02773A 1 R 35 Use Factory Certified Parts FRIEDRICH AIR CONDITIONING CO Visit our web site at www friedrich com Post Office Box 1540 4200 Pan Am Expressway San Antonio Texas 78295 1540 210 357 4400 FAX 210 357 4480 P NO 3828A20207E 03 03
20. al procedure above Figure 8 2 3 ELECTRICAL PARTS 2 3 1 OVERLOAD PROTECTOR 1 Remove the cabinet Refer to section 2 1 2 Remove the nut which fastens the terminal cover Remove the terminal cover See Figure 9 Remove all the leads from the overload protector Remove the overload protector Re install the components by referring to the removal procedure above om Figure 9 2 3 2 COMPRESSOR 1 Remove the cabinet Refer to section 2 1 2 2 Discharge the refrigerant system using a Freon Recovery System If there is no valve to attach the recovery system install one such as a WATCO A 1 before venting the Freon Leave the valve in place after inn servicing the system 3 Remove the overload protector Refer to section 2 3 1 4 After purging the unit completely unbraze the suction and discharge tubes at the compressor connections 5 Remove the 3 nuts and the 3 washers which fasten the compressor Figure 10 6 Remove the compressor See Figure 10 7 Re install the components by referring to the removal procedure above NN 2 3 3 CAPACITOR 1 2 3 Disconnect all the leads of capacitor terminals Re install the components by referring to the A Remove the control box Refer to section 2 1 3 Open the top cover from the control box See Figure 11 Pull out the capacitor from the control box removal procedure a
21. annot be put in the High side the balance will be put in the suction line through the access 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 allow pressure to rise to 30 165 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 Equipment needed Vacuum pump Charging cylinder Manifold gauge Brazing equipment Pin off tool capable of making a vapor proof seal Leak detector Tubing cutter Hand Tools to remove components Service valve CONDENSER COMPOUND HIGH PRESSURE SIDE O MANIFOLD GAUGE B C
22. ashable one touch filter Slide in and slide out chassis for the simple Compact size installation and service Reliable and efficient rotary compressor is equipped Low air intake top cooled air discharge 1 5 CONTROL LOCATIONS Cool F1LOW j M F2 MED pu P F3 HIGH Fan Only e Dry e Timer e Temp CEI On Off Speed On Off Precaution The Remote Control unit will not function properly if strong light strikes the sensor window of the air conditioner or if there are obstacles between the Remote Control unit and the air conditioner POWER BUTTON To turn the air conditioner ON push the button To turn the air conditioner OFF push the button again This button takes priority over any other buttons ROOM TEMPERATURE SETTING BUTTON This button can automatically control the temperature of the room The temperature can be set within a range of 60 F to 86 F by 1 F 16 C to 30 C by 19C Select the lower number for lower temperature of the room j OPERATION MODE SELECTION BUTTON Every time you push this button it will shift among COOL ENERGY SAVER FAN and DRY F Energy Saver If Energy Save mode is selected the fan stops when the compressor stops cooling Approximately every 3 minutes the fan will turn on and check the room air to determine if cooling is needed 2 FAN SPEED SELECTOR Every time you push this button it is set as follows Hi F3 gt Low F1 gt Med F2 gt Hi gt Low F1 gt
23. bove 2 3 4 POWER CORD 1 2 Remove the control box Refer to section 2 1 3 Open the top cover from the control box Refer to section 2 3 3 Disconnect the front panel from the control box See Figure 12 Disconnect two leads from the capacitor and relay Pull out the power cord Re install the component by referring to the above removal procedure above Use only one ground marked hole for ground connection If the supply cord of this appliance is damaged it must be replaced by the special cord The special cord means the cord which has the same specification marked on the supply cord attached at the unit Figure 11 Figure 12 VS lt UN ESI 2 3 5 1 Remove the cabinet Refer to section 2 1 2 2 Remove the turbo fan Refer to section 2 2 1 3 Remove the fan Refer to section 2 2 2 4 Remove the 4 screws which fasten the motor from the air guide See Figure 13 5 Remove the motor 6 Re install the components by referring to the removal procedure above See Figure 13 2 4 REFRIGERATING CYCLE 2 4 1 CONDENSER Discharge the refrigerant system using a Freon Recovery System If there is no valve to attach the recovery system install one such as a WATCO 1 before venting the Freon Leave the valve in place after servicing the system Remove the cabinet Refer to section 2 1 2 2
24. es Check the wiring Diagram Exchange MAIN PCB Ass Possible Trouble 3 The compressor always operate NO Connect LEAD Wire to Is the wire connection of gt RY COMP again RY COMP all right Check the RY COMP 21 Possible Trouble 4 FAN does not operate Is the voltage NO 1 or 2 or 4 NO of ICO1M DC 12V2 NO Is the voltage NO 16 or 15 or 13 gt of ICO1M OV ves Check the RY Hi RY Med or RY Lo Check the wiring diagram Possible Trouble 5 The function of Energy Saver does not operate Is the mode key pushed once more from cool mode NO Is the voltage No 3 of CN AC DC of AC PCB Ass y DC 5V YES Reference to OWNER S MANUAL 22 Exchange ICO1M Exchange ICO1M elt Set the mode key to Energy Saver mode Check the Energy Saver mode key Check the pattern of AC amp DC PCB Possible Trouble 6 Remote controller does not operate Is the voltage of Battery about over 2 3V 5 the voltage No 10 NO Exchange the battery Check the PCB pattern y of CN AC DC on DC PCB Ass y DC 5V NO Is the connection of Connect connector to CN AC DC all right Exchange Receiver Ass y
25. et to the window stool by driving the screws Type Length sixteen millimeters and below through the front angle into window stool 5 8 Pull each Frame Curtain properly to each AU Front Angle window sash track and repeat step 2 Screw Type 6 Sill support 2 Figure 24 Attach each Frame Curtain to the window sash by using screws Type C See Figure 25 Figure 25 15 10 Slide the unit into the cabinet See 26 CAUTION For security purpose reinstall screws Type A at the cabinet s sides Power cord Screw Type A Figure 26 11 Cut the Foam Strip 8 to the proper length and insert between the upper and lower window sash Foam Strip See Fig 27 Figure 27 12 Attach the window Locking Bracket with a type C screw See Fig 28 Figure 28 13 Attach the front grille to the cabinet by inserting the tabs on the grille into the tabs on the front of the cabinet Push the grille in until it snaps into place See Fig 29 14 Lift the inlet grille and secure it with a type A screw through the front grille See Fig 30 29054 A 2 510 20 362 Figure 31 4 TROUBLESHOOTING GUIDE 4 1 OUTSIDE DIMENSIONS unit mm inch 490 19 3
26. ir or replace Refrigerating system Check the system for a 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 Blower or 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 Remove the cabinet carefully and rearrange tubing not to contact cabinet compressor shroud and barrier 29 5 SCHEMATIC DIAGRAM 5 1 CIRCUIT DIAGRAM MODEL KP08A10 CN MOTOR CN AC DC CN AC DC OFO Q DC PCB 5 ASSEMBLY CN TH1 7 THERMISTOR DC12V SWITCH WH BD cata Ribbed CN 12V 15 250V T3 15A Hos BK BR Plain RY COMP e AC PCB ASSEMBLY 8 AIR FILTER WIRING DIAGRAM _ 3854AR3563P ASSEMBLY S Service Parts N Non Service Parts pure ION DESCRIPTION PART NO 1 MOTOR ASSY 4681A20027X 2 CAPACITOR 6120AR2359V 3 COMPRESSOR 5416A90007A 4 OVERLOAD PROTECTOR 6750A30001N 5 DC PCB ASSEMBLY 6871A20319A 6 AC PCB ASSEMBLY 6871A20271A 7 THERMISTOR 6323A20004D 30 5 2 ELECTRO
27. nting the Freon Leave the valve in place after servicing the system 2 After discharging the unit completely remove the desired component and unbraze the pinch off tubes 3 Solder service valves into the pinch off tube ports leaving the valves open 4 Solder the pinch off tubes with Service valves 5 Evacuate as follows 1 Connect the vacuum pump as illustrated figure 16A 2 Start the vacuum pump slowly open manifold valves A and B with two full turns counterclockwise and leave the valves open 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 turns 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 is obtained Close valves A and B and observe 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 16B Open valve C Discharge the line at the manifold connection 5 The system is now for final charging 10 1 Refrigeration cycle systems are charged from the High side If the total charge c
28. oth flow heat exchanger amp the fan operation DIFROD EON Check gas Heat exchanger Not on separate circuit Malfunction of fan Repair Clogged of air filter Unit runs but poor cooling Check heat load increase Clean condenser Check inside gas Replacement of unit if the pressure unit is beyond repair Obstruction at air outlet Adjusting of refrigerant charged Correct above trouble Malfunction of compressor Check clogging in refrigera Replacement of tion circuit compressor Satisfactory operation with Repair clogging in refrigera temperature difference of tion circuit inlet amp outlet air 44 50 F 7 10 C 18 Fails to Start Check of power source Check circuit breaker and fuse Check of control switch setting Gas leakage of feeler bulb of thermostat Check of control switch Fan only fails to start Improper wiring Defect of fan motor capacitor Compressor only fails to start Drop of power voltage lt Improper thermostat setting Defect of compressor capacitor Loose terminal connection Irregular motor resistance Q Irregular motor insulation Q Capacitor check lt Improper wiring Replacement lt Irregular motor resistance Replacement of fan motor Regular but fails to start Irregular motor insulation Replacement of compres
29. rings if motor shaft will not rotate replace the motor Fan motor runs intermittently Revolves on overload Check voltage 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 Fan If cracked out of balance or partially missing replace it Blower If cracked out of balance or partially missing replace it Loose clamper 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 Compressor will not run but fan motor runs Voltage Check voltage 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 identification Replace the switch if circuit is open 28 COMPLAINT CAUSE REMEDY Compressor will not run but fan motor runs Thermostat Check the position of knob If not at the coldest setting advance the knob to this setting and restart unit
30. s y 26 CN AC DC exactly Possible Trouble 6 It displays abnormally on DC PCB Ass y NO Are the 016 and IC02G all right ves NO Is the connection of NO e Exchange IC01G IC02G Connect connector CN AC DC all right I Does the ICO3G NO to CN AC DC exactly operate normally on AC PCB Ass y Ps Exchange the DC PCB Ass y 27 e Exchange IC03G 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 blower wheel hitting scroll Realign assembly Units using slinger ring for condenser fan must have 1 4 to 5 16 inch clearance to the base If it hits the base shim up the bottom of the fan motor with mounting screw s Check fan motor bea
31. sor locking of rotor metal Replacement of compressor Motor damaged 19 ELECTRICAL PARTS TROUBLESHOOTING GUIDE LW8000PR Possible Trouble 1 The unit does not operate Is the Trans input power NO AC 115V WES Is the Trans output power about AC 14V Is shorted the Trans output Check the Fuse Check the wiring diagram Check the Main PCB pattern Exchange the Trans Is output Voltage of ICO1D NO DC 12V NO e Exchange 0020 0050 e Exchange 12010 Is output Voltage of 12020 DC 5V ves Is the reset circuit all right NO Exchange 020 The No 14 of Micom is 5V Is the connection between NO Exchange AC and DC all right ics Connect connector exactly Is the voltage No 18 of Micom DC 5V ves Exchange AC PCB Ass 20 Check the PCB pattern Possible Trouble 2 The compressor does not operate Is setting Temp set lower than Room Temp 0 5 C NO Select the setting Temp to lower Number Is the voltage No 10 NO of ICO1M OV Is the voltage NO 9 of ICO1M DC 12V Is the Unit for 3 minutes Check RY COMP Exchange 01 Wait 3 Minut
32. t back Pull the base pan forward See Figure 2 Remove the cabinet Re install the components by referring to the removal procedure above 2 1 3 CONTROL BOX N 13 14 Remove the front grille Refer to section 2 1 1 Remove the cabinet Refer to section 2 1 2 Remove the 2 screws which fasten the power cord Disconnect the grounding screw from the evaporator channel Remove the 1 screw which fasten the control box cover Remove the housing which connects PCB and motor wire in the control box Disconnect the housing which connects Plazma Air Purifier Optional Remove the screw at left cover of filter case and open the cover to remove inner screw Optional Remove the nut which fastens the terminal cover 10 11 12 Remove the terminal cover Remove all the leads from the overload protector Discharge the capacitor by placing a 20 000 ohmresistor across the capacitor terminals Raise the control box upward completely See Figure 3 Re install the components by referring to the removal procedure above Refer to the circuit diagram found on page 32 in this manual and on the control box Figure 1 Figure 2 Figure 3 2 2 AIR HANDLING PARTS 2 2 1 AIR GUIDE AND TURBO FAN o Remove the front grille Refer to section 2 1 1 Remove the cabinet Refer to section 2 1 2 Remove the control box
33. upper guide and Frame Guides 2 8 Fasten the curtains to the unit with 4 Type A screws at the both sides Shipping Screws EPS Material CABINET INSTALLATION 1 Open the window Mark a line on center of the window stool or desired air conditioner location Carefully place the cabinet on the window stool and align the center mark on the front angle with the center line marked in the window stool 2 Pull the bottom window sash down behind the upper guide until it meets NOTE Do not pull the window sash down so tightly that the movement of Frame Curtain D is restricted Figure 20 Figure 21 14 3 Loosely assemble the sill support using the parts in Figure 22 INDOOR OUTDOOR Sill Support 2 Nut 4 Bolt 3 Figure 22 4 Select the position that will place the sill support near the outer most point on sill See Figure 22 2 Frame Guide G Screw Type NOTE Be careful when you install the cabinet Frame Guides are broken easily About 1 2 5 Attach the sill support to the cabinet track hole in Cabinet relation to the selected position using OUTDOOR 2 Type A screws in each support See Figure 23 Figure 23 The cabinet should installed with a very slight tilt about 1 2 downward toward the outside See Figure 24 Adjust the bolt and the nut of Sill Support for balancing the cabinet 5 2 o lt 7 Attach the cabin
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