SERVICE MANUAL
Contents
1. Z4 2 Replacement Parts List DESCRIPTION PART NO LP 15091CL LP 15091XL Q TY REMARK _BSSE W ASSY E MAGNETIC CONT SH CAPACITOR BKT CONTROL BASE COVER CONTROL FRONTOOLUMNASSY REAR COLUMN ASSY CONDENSER ASSY CONDENSER ASSY CONDENSER ASSY m CONDENSER ASSY FRONT PANEL W En SERVICE VALVE sevo SERVICE VALVE HIGH PRE S W LOW PRE S W REAR PANEL MOUNT MOTOR Sete ee eee ee SIDE PANEL L SIDE PANEL R MOTOR ASSY BRACKET INSTALL COVER NR MENT a PROPELLAR FAN BRACKET LIFT EOCR 2A01161P 2A01180C 3A02139Q 2A010310 2H00841J 3A02140A 3A01701A 3A02541P 3A02367P e 1 2 01158 2 01159 2A00468B 2A00469C 6600AG3057A 3A02355P 3A02350Q 2 00842 4810AP3228Z 4810AP3229Z 2A01163P2. zy 2 Replacement Parts List z e DESCRIPTION PART NO LP 10091CL LP 10091XL Q TY REMARK a iw wy BASE ASSY LINK SHEET BRACKET COND MANIFOLD IN ASSY MANIFOLD IN ASSY MANIFOLD IN ASSY MANIFOLD IN ASSY MESH COVER FIN CONTROL BOX ASSY CASE CONTROL BOARD CONTROL _ MAGNETIC d ak TERMINAL BLOCK SH CAPACITOR RUBBER MOUNTING RUBBER RING BUSHING SUPPORTER VALVE VALVE SERVICE VALVE SERVICE COVER REAR SUPPORTER REAR SUPPORTER REAR SUPPORTER FRONT ee ae SUPPORTER FRONT ORIFICE ASSY 3041 AP2606S _2 011800 3A021 395 5403AP2618B 4520AP4095A 4810AP3697A 5211AP3868A 5211AP3868B 5211AP3869A 5211AP3869B 2A00191Q 4995AP2608B 3110AP2592A 2A01031D noU 3A00493A 2H00841J 5040AP4241A 5040AP4242A 4830AP4182A 4980AP2621A 2A00469G 2A00468C 3550AP2647P 4980AP1265Q 4980AP1265P 4980AP1264P 4980AP1263P 4948AP1242P 72 3041 2606
3. 6 7 Wiring 1 LP 10091XL O gt eo Q a gt gal em uel 28 H 90 Sr cy Go 1 Se El 0 5j IRA CORN M IC TAE NT E an x 8 OS T Oli 4 i ala 3 TE us fe a o e gt FS B 5 ene eo X 8 3 8 5 m B 85 53 CN e 55 gt S Y 2 O 5 a Renae EEE N 27 6 8 Checking the Drainage and Form the Piping 1 Checking the Drainage Remove the inlet grille gt TI Check drainage Pour a glass of water into the drain pan Ensure if water flows drain hose of indoor unit 2 EN 28 2 Form the Piping Wrap the connecting portion of indoor unit with the 4 Main cable insulation material and secure it with two Plastic Bands for the right piping Gas side piping Xx you connect an additional drain hose the end of the drain outlet should be kept distance from the Oia
4. AAU DENARIO e ixi CU Fixing Screw CMA Diffuser Li Electric heater 52 4 blower hole Heater bracket Barrier blower Control box 53 Electric heater connector Electric heater Electric heater Connected Main power Nes connector for to No 4 No 5 of cable g hole the control box the control box For the terminal block electric heater Bimetal Type Thermal Fuse Type 45 dS 58 3 Replacement Parts List z 9 DESCRIPTION PART NO LP 10091CL LP 10091XL Q TY REMARK ON BW N ia 13 14 15 216 18 19 20 21 24 25 26 27 EA LL 28 NE 29 30 31 31 1 BASE PAN PANEL SIDE L PANEL SIDE R BANELSIDEUL 0 _ PANEL SIDEU R PANEL REAR M1 PANEL REAR M2 PANEL REAR OP COVER nne DRAINPANASSY BRACKET EVA SIDE BRACKET EVA SIDE BRACKET EVA ASM TUBE ASSY TUBE ASSY CAPILLARY TUBE EVA BRACKET DOOR MAGNET ASM MOTOR ASM MOTOR BRACKET INLET GRILLE ASM INLET GRILLE FILTER ASM BRACKET GUIDE FILTER GUIDE FILTER BRACKET BOARD CONTROL MAIN PCB ASM SUB PCB ASM 3040AP2624P 3720AP1135P 3720AP1135Q 3720AP2297R
5. SNVYL ue SAM Ave NINE ey ple d puz 18 02910 1 0 ay j2euuoo pue JOOPINO LOW eui HUN JOOPINO LOU JO Hu ay JOOUUOD pue JOOPINO JO Nu 2U WOJ OU ISL 50915 1xeu eui Aq ay eseejd 022 01 y 104 2 51 21528 ON d LINDYID 21919919 HOOOLNO duds 14 4 6 LP 20091XL INDOOR UNIT INDOOR ELECTRIC CIRCUIT P No 3854A20026G THERMAL FUSE 97 0 THERMAL FUSE THERMAL FUSE ONO 30 220 60 2 3 80 60 2 POWER SUPPLY THERMAL FUSE ONO THERMAL FUSE 1 HEATING 97 0 2 3 COOLING THERMAL PROTECTOR RD o RD S THERMAL PROTECTOR Caution 1 Basic wiring is 30 3 5 220 2 For changing the running voltage to 380V please change the wir
6. 951 j dm A s 9 LS P D 9 9 lt 1 5 M 9 5 213 4974 86 EPC 7 8 264 Woudaa T Sa E wipe L w Ne3i z 2 m Woof E Ze ved ar 4 Ove ur ai bs L LEN D 2900 2208 NVOrWAZ8dW L 8IHSU FINDAID 104405 poo 110249 4ezzng FINDAID 3 5 Ony 1102 49 1394195 anaon 037 net JEE Mm ASSY 1170419 42832p 55 11 EXPLODED VIEW amp REPLACEMENT PARTS LIST 10091CL 10091XL 11 1 Indoor Unit LP 1 Exploded View 57 2 Exploded View of Electric Heater LP 10091XL Top cover Bimetal 2nd Bimetal 1st Thermal Fuse 3rd 64
7. MICOM Is the DC 12V at eack terminal RY Heater COIL Is the AC220V AC 240 V between connector HEATER and CN outunit Pin 1 of Main Check the heater wiring NO 52 Replacement MICOM Replacement ICO2M Replacement RY Heater 9 ELECTRONIC CONTROL DEVICE 9 1 MAIN P C B ASSY 1 E HE BG 44 ER a ux 9 2 Display ASSY LED MODULE ON OFF i 0 PWB 6870AQ2240A ASS Y 6871AQ3143 MODEL DISPLAY PCB ASSY LP 10091CL XL LP 15091CL XL 6871AQ3143Q 9 3 SUB P C B ASSY RY1 HIGH PWB 6870AQ2241 ASM 6871402242 CN MOTOR RY2 MIDDLE CN RELAY CN INPUT FUSE 0 MODEL SUB PCB ASSY 1 LP 10091CL 6871AQ2242A 2 LP 10091XL 6871AQ2242A PWB 6870AQ2397A 0 ASM 6871AQ2242 LOW RY2 MIDDLE HIGH CN MOTOR1 1 CN MOTOR2 CN INPU FUSE 250V T10A NO MODEL SUB PCB ASSY 1 LP 15091CL 6871AQ2242B 2 LP 15091XL 6871AQ2242B B4 10 SCHEMATIC DIAGRAM LP 10091CL XL LP 15091CL XL 3 12 92 1 9 12 92 83 1 al al WSV 82d 805 nu FUSE 250 10 32 24 ASE TO 0109 4209 HNDI
8. Service port nut Be sure using a torque wrench to tighten the service port nut after using the service port so that it prevents the gas leakage from the refrigeration cycle Procedure Recheck the piping connections Q Open the valve stem of the 3 way liquid side valve counterclockwise approximately 90 wait 10 sec onds and then set it to closed position Be sure to use a hexagonal wrench to operate the valve stem Check for gas leakage Check the flare connections for gas leakage Purge the air from the system Set the 3 way liquid side valve to the open posi tion and remove the cap from the 3 way gas side valve s service port Using the hexagonal wrench to press the valve core pin discharge for three seconds and then wait for one minute Repeat this three times Use torque wrench to tighten the service port nut Set the 3 way gas side valve to the back seat Mount the valve stem nuts to the 3 way liquid side valve and 3 way gas side valves Check for gas leakage At this time especially check for gas leakage from the 3 way liquid side valve and 3 way gas side valve s stem nuts and from the service port nut Caution If gas leakage is discovered in step above take the following measures If the gas leaks stop when the piping connections are tightened further continue working from step If the gas leaks do not stop when the connections are r
9. Package Air Conditioner SERVICE MANUAL MODEL LP 10091CL XL LP 15091CL XL LP 20091CL XL 5 1 3 5 Dimensions tri 7 3 Refrigerant Cycle Diagram 8 9 5 Operation Details 17 6 Installation nnns 20 7 SWAY Vale creara ida 33 8 Troubleshooting Guide 40 9 Electronic Control Device 53 10 Schematic Diagram ooo n opere 55 11 Exploded View amp Replacement Parts List 56 1 PREFACE This service manual provides various service information containing the mechanical and electrical parts and etc This package air conditioner was manufactured and assembled under the 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 main SWITCH to OFF and remove the POWER SUPPLY cables 2 Observe the original lead dress If a short circuit is found replace all parts which have been overheated or dam aged by the short circuit 3 After servicing the unit make an insulation resistance test to protect the customer from being exposed to shock hazards 1 2 Features Design for cooling Super energy efficiency Removable air filter 3 minute delay circuit Child Lock function LP 10091CL XL 15091 CL XL Micom Control LP 10091CL XL 15091CL
10. 3720AP2297S 3720 2221 3720AP2328A 3720AP2329A 3720AP2268A S720AP2197A 2 4810APS3833P 4810AP2296B 4810AP2648A 5420AP2380B S211AP2678C 5211AP3959A 3HO1872R 5420AP3302A 3A02221A 4681AP2411 5231AP3330A 5236AP3294Z 4974AP2225Z 4974AP2225Y 4810AP329BA 4810AP4051A 3500AP2293A 6871AQ0067R 6871AQ2242A 36007889 237AP2386B S930AP1109A 3040AP2624P 3720AP1135P 3720AP1135R 3720 2297 _ 3720 22975 3720AP2221A J 3720AP2328A 3720AP2329A 3720AP2268A 3720 2197 3081 2381 4810AP3333P 1 4810AP2296B 4810AP2648A 5420AP2380B 5211 2678 5211 3959 1 _SHO1372R 1 5420AP3302A 3A02221A 4681AP2411 _ 36007889 amp 5237 2386 _ 3530 1109 5231AP3330A 5236AP3294Z 4974AP2225Z 4974 2225 4810 298 _ 4810 051 3500AP2293A 6871AQ0067X 6871AQ2242A i i ido ld 59 PART DESCRIPTION REMARK LP 10091CL LP 10091XL 32 CONTROL BOX 4994AP2291A 4994AP2291A 1 33 HOUSING ASS Y 3661AP1139A 3661AP1139A 1 eee een S ep eedem timemus nn edm ern eer mme ein 39 CONTROLLER ASM 3545A20004D 3545A20004N 1
11. eet 3A01420C 4810 4208 3A02221A 3087200010 5421 2973 5211 2852 5211AP7320E 5211AP2853A 5211AP7320F 4810AP2822A 4810AP2822B 3A01299K 1A00111C 3A01 338F 4974 2 450 01 4940 3G00128A 2A00986T 2A00410Q nr a co Emp 64 DESCRIPTION PART NO LP 15091CL LP 15091XL REMARK CLAMP CAPACITOR MOTOR ASSY BRACKET MOTOR BLOWER WHEEL be BARRIER w ASSY DIFFUSER ASSY DECO UPPER DECO LOWER HOLDER PIN FRONT PANEL DISPLAY HOLDER CONTROLLER ASSY DISPLAY PCB ASSY J BODY DISPLAY WINDOW DISPLAY KNOB P KNOB KNOB C C KNOB HEATER CONTROL BOX BOARDCONTROL MAIN PCB ASSY SUBPCBASSY TERMINAL BLOCK TIMER ORIFICEASSY CONTROL BOX HEATER THERMAL FUSE 4G00107C 4681AP2824A 3G00788T 2A00578D 4T91AP2833P 2 01107 30019994 tede 3A02136B 3A01407A 3720AP1182P IDE _6871 14 3070AP2292K 3790AP3936Q 4940AP3422C 4940A30006A 4940A30006B 4940A30006C 4940A30006D 4940AP3166E 4944AP2299A 3500AP2291A 6871A20082B 6871AQ2242B 4G00103B 4G00107C 3G00788T 2 005780 4791AP2833P 2 01107 3A02136B 3A01407A 3720AP1182P 4930AP1285A 9545A20004N 6871AQ8143Q 3070AP2292K 3790AP7
12. 5 PNUD 4032211250 HND YO ms Buzzes y E alod 5 Buzzes 0 aop serst eas 000 0200 m fas 1 I ro 1 D x 9 TE uy E BAS PN EAT Gu ete TAS JNAS AM WSIH XH 9 2 TORSIE 503 T 3 s H2031 1 os lt s 1 20 gt 8I al spe usas 23 sr 10d 2S 54904 aava e aus gt lt 71509 1 1d30X3VH HXXXX d1 Soe VZ TZXXXX d1 T 1002 1e322 44 31028 18 26 y gt aor zie eros 572 er LMA amfer iS BEEN 6 pum ON cw 20 EUER poza nv Head INNLND NI ecsraAen
13. Ensure the space indicated by arrows from the wall ceiling fence or other obstacles Piping length and the elevation PIPE SIZE Max Max MODEL Length Elevation GAS SIDE LIQUID SIDE A m B m 1 00K BTU h 11 10 1 2 40 25 150K 1 5 8 40 25 BTU h 200K BTU 11 10 5 8 40 25 Indoor unit Outdoor unit 2 Indoor Unit installation 3 Outdoor unit Installation O The mounting floor should be strong and solid O Install the outdoor unit on the concrete or any solid enough to prevent it from vibration base securely and horizontally Drill the piping hole with 70mm diameter hole core Q f there is any vibration transmitted to the building drill at either the right or the left of indoor unit The mount the rubber underneath the outdoor unit hole should be sightly slant to the outdoor side 4 Refrigerant amount Before shipment this air conditioner is filled with the rated amount of refrigerant including additional amount required for air purging subject to 5m pip ing length The rated amount of refrigerant is indi cated on the name plate But when the piping length exceeds 5 meters additional charge is required according to the following table Unit g MODEL REFRIGERANT CHARGE BUT 50 per 1m
14. JO ay uejseJ ve L 5 y 400pul pue 203319109 jo IS 99 SNVuL Uni 159 94099 151 YOOUD G AVTAG Ave NINE quot 5 5 ZHO9 A08 DE puz st 5 L 209702296 RE 3 uun E 0 209 26 9 99 2 HOOQNI JO OL L LINN 44 JosseJduioo JO Y D O 3 51 uano eui 104 y eit un JOOPINO JO Kidans 2H09 SOM EDE SOIM DE 49 A X S 53 e ZW YONA Y 3HIME 26 wez 9 A K MOL yun 1 7022 5 5 95 2 2 M a
15. HOOQNI HOLIMS 103135 ZOON 6 2 2 09 022 Coes ewij Aiddns 1ueuno 104 S8JIM 0 y BE KD plelo eel 2 tle ay 151 4915 ey Aq eui aseajd eBeyoA Buluuns y 104 si Bum orseg uonneg 91919313 HOOQNI dg OUTDOOR UNIT LINN HOOQNI JO OL qal HOLIMS 34055384 L981 lt HOOGLNO MOTISAIN33HO TA ND Wi r Aad 4 ND 18 BOLOVLNOO OLIVNOVIN NMO JVISONH3HL 1 TWNINYSL 31ON 0 HOI 8003 303 9003 AV 3a 2359 dIAV 11009 dT 1009 MOT Nds HOOGLNO LINN HOOQNI HOON LLL 30 OL 109 HOLIMS Sd d d HOLIOVd VO ISVIANVEO LI euo
16. 2 For changing the running voltage to 380V please change the wiring by the next steps 1st Remove the a wires from the R of the terminal block A and connect the wire to the of the terminal block 2nd Remove the b wire from the 2 of 52C and connect the wire to the of the terminal block 3rd Change the compressor wires like an example 11 30 3 wires 220V 30 4 wires 380V 4rd For setting the E O C R current Power supply Current A Time sec 30 220V 60Hz 55 5 30 380V 60Hz 40 5 NOTE BL BLUE YL YELLOW BK BLACK RD RED GN GREEN TERMINAL BLOCK A 220V 60H POWER SUPPLY 4W 380V 60Hz POWER SUPPLY BR BROWN WH WHITE GN YL GREEN YELLOW Tmo OUTDOOR P NO 3854AP2687K 1 2 OUTDOOR FAN MOTOR 63L LOW PRESSURE SWITCH EOCR COMP Tmo TERMINAL BLOCK OUTDOOR 1 2 RUN CAPACITOR FOR FAN OUTDOOR CH CRANKCASE HEATER MAGNETIC CONTACTOR Tmi TERMINAL BLOCK INDOOR 4 2 10091 INDOOR UNIT P No 3854AP2687P 1 The basic and of this product is 30 220V 2 If you want to change the runnning voltage to 380V change the wiring of electric heater and outdoo
17. 8 S en prn reinen S ern mre mmn rr 749404300068 49404300068 1 _ 4940A30006C 4940A30006C 1 een nnar O S 222 eere img mm 47 1 DIFFUSER ASS Y 3023AP2641P 3023AP2641P 1 aee ic AO te pne serere essen pn epe S ere 22224 Ser e een MET e 50 CAPACITOR 2 009865 24009865 1 rere vv mem amen e prn LEE E S vx ing sorte 60 11 2 Indoor Unit LP 15091CL 15091XL 1 Exploded View 2 Exploded View of Electric Heater LP 15091XL Bimetal 2nd Thermal fuse 3rd De g c o D X Front panel Electric heater connector for the control box Connected to No 5 No 6 of the control box terminal block Bimetal Type Bimetal 1st Thermal Fuse Type ET Top cover Thermal fuse 3rd G2 Screw IDA MN Electric heater 60 Barrier blower hole Heater bracket Bar
18. DECO LOWER PANEL FRONT PANEL DOOR ESCUTCHEON 9 KNOB ASSY con BRACKET CONTROL LAMP NEON ASSY ROTARY S W THERMOSTAT COVER C B CONTROL BOARD PROTECTION RELAY TIMER ELECTRIC HEATER THERMAL FUSE BARHIER ASSY DECO UPPER E v Pase n LR TERMINAL BLOCK CONTROL BOX HEATER 2 00578 30000130 4G00333A 2A00187C 3A002748 A ees 3A00916P 3A00915Q 4A01316C 2A01107B 21004970 E E 3A01393A 3A01407A 3A02136B 3A02137Q 3A01941B 3A01987S 4H01519A Sem 2 00933 4 01575 30000270 2A00237A 3A00963A 19 9 3A01491A 3A02463B 2A00999F patata En _ 4995AP2575J 2 00578 30000130 4G00333A 2A00187C 3A00916P 3A00915Q 4A01316C 2 01107 3A01407A 3A02136B 3A02137Q 3A01987T 2 00933 4A01575A 3G00027G 9A00963A 3A01491A 3A02463A 2A00999F 3A00093A 5301A10002F 6901A30001T aa a 1 3A01393A 3A01941B I c nt 2 00237 301939 pose odi ess 70 11 4 Outdoor Unit LP 10091CL 10091XL 1 Exploded View
19. HOW TO CHECK REMEDY Magnetic switch for compressor motor Defective contact magnetic coil troubled Check it with the eyes on with a tester Repair or replace it Compressor motor Troubled over heated layer short Check how it is insulated Replace or repair the compressor Compressor Troubled or over heated lock Groaned noise of motor Repair or replace it High pressure switch Troubled or defective contact or operating Check it with a tester Replace it if necessary Electric circuit Defective connection or disconnection of the circuit for compressor Check it with a tester Rewiring or push reset button 8 2 The Units discontinue after the operation started WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Other parts than the unit Improper opening of the Checking Open it properly service valves in the refrigerant line Outdoor coil Coil is dirty 1 Checking Wash it by means of something like chemical washing Air intruded into the refrigerant pipe line 1 In condensable gas blended In the event that difference between the saturating temperature corresponding to high pressure and the temperature of air discharged from the outdoor coil is more than 15 incondensable gas may be blended Extract air by vacuum pump then recharge the refrigerant High pressure switch Improper adjustment Check it
20. PART NO LP 20091CL LP 20091XL Q TY REMARK DEAE timete NUT FAN LOCKER SPRING LOCK WASHER m GRILLE COVER PANEL ASSY FRONT COVER ASSY CONTROL PANEL INSTALL U BRACKET INSTALL L HIGH PRESSURE S W TUBE ASSY DISCHARGE TUBE ASSY CONDENSER 0A00026B 4A01387A 1WSD1000030 1NHA1001206 2A00144P 3721AP2913P 3721AP2913Q 3551AP7047Z 3720AP3810P 4810AP3814P 4810AP7078A E cos 3A02414B 6600AG3057A 5211 30051 5211A30052A 4A00077A 4H00947C 0A00026B 4A01387A 1WSD1000030 1NHA1001206 2A00144P 3721AP2913Q 3551AP7047Z 3720AP3810P 4810AP3814P 4810AP7078A MM 3A02414B 6600AG3057A 5211A30051B 5211A30052A 4A00077A 4H00947C 78 2000 P No 3828A20023A Printed in Korea
21. 24011630 dtes 2A00823P 0A00026B 2A00999C 3A025410 als 3A02414B 2 3 02350 4A01466P 2A01161P 2A01180C 3A02139Q 2A01031C 2H00841J 3A02140A 3A02367P jT 2 01158 2 01159 2A00468B 2A00469C 6600AG3057A 3A02414B 3A02355P nemine 3A02350Q 2 00842 2A01163P 21011600 2 00823 0 00026 2 00999 01701 02541 025410 x DRE mI CO 4810AP3229Z 4A01466P A iD id dl p 75 11 6 Outdoor Unit LP 20091CL 20091 XL 1 Exploded View 2 Replacement Parts List z 9 DESCRIPTION PART NO LP 20091CL LP 20091XL lt REMARK BASE ASSY En LINK SHEET BRACKET COND TUBE ASSY MANIFOLD IN TUBE A
22. ground Do not dip it into water and fix it on the wall to avoid swinging in the wind Connecting Cable In case of the outdoor unit is installed below position of the indoor unit 2 Tape the Piping and Connecting Cable from down to up 9 Form the piping gathered by taping along the exteri or wall and fix it onto the wall by saddle or equiva lent Trap is required to prevent the electrical parts from entering the water In case of the outdoor unit is installed upper posi tion of the indoor unit Seal a small opening around the piping with gum type sealer Tape the piping and connecting cable from down to up Q In order to prevent water from entering the room form a trap and tape the piping Trap G Fix the piping onto the wall with saddle or bracket 29 6 9 Final Check and Test Run After installing the unit perform the final check and run ning test as follows Final check points Is the unit securely mounted 2 Is the installation location adequate Is the water piping work adequately and without leakage Are trapped drain lines installed at condensate drain connections Has the refrigeration cooling cycle been kept sealed Is the electrical wiring adequate and are the screws tightened on terminals After the above final checkings prepare the running test as follows Connect compound gauges to the check
23. DEPTH 650 650 650 INDOOR kg 137 155 200 223 200 234 NET WEIGHT OUTDOOR kg 180 170x2 180x2 LIQUID _ linch mm 1 2 5 8 5 8 CONNECTIONS GAS inch mm 11 10 11 10 1 4 Functions Power Switch ON OFF Operation Mode Control Cooling Fan Soft dry Auto operation gt CL series Model Cooling Heater Fan Soft dry Auto operation XL series Model Sensing the room temperature Room temperature sensor Thermistor Sensing the pipe temperature Pipe temperature sensor Thermistor gt LP 10091CL XL Controlling the room temperature Maintains the room temperature in accordance with the setting temperature Starting Current Control Indoor fan is delayed for 3 seconds at the starting Timer Delay Safety Control Restarting is inhibited for approx 3 minutes Indoor Fan Speed Control Duct High Low LP 10091CL XL High Low gt LP 15091CL XL High gt LP 20091CL XL Operation Indication lamps Temperature Setting Up up to 30 Down down to 16 Airflow Direction Control Airflow direction Manual control Room temperature Display Low 10 35 C Hi LP 10091CL XL 15091CL XL Timer Control Off Timer 1 2 3 7 hour LP 10091CL XL 15091CL XL Outdoor Unit Outdoor Fan Speed Control One speed Sensing Discharge Pressure For Compressor Discharge pressure sensor High Pressure Switch Sensing Suchion Pressure for Compressor
24. High Temperature Setting Buttons Operation Mode Selection Button 31 6 11 Indoor Unit Controls and Indicators LP 20091CL XL Controls Cooling model LOW COOL HIGH COOL Lamp When the unit sets cooling operation condition the Lamp is lighted LOW COOL A OFF LOW HIGH COOL COOL Heating Cooling model Heating Lamp When the unit sets heating operation condition the Lamp is lighted ting OFF Heating 57 Cooling Heating cooling Selection Switch E Cooling HEATING Heating FAN LOW COOL HIGH COOL Mode Temp OFF Turns the air conditioner off Turn the temp control to the desired setting The control FAN Permits the fan operation without position is a normal setting for average conditions You can change this setting if necessary in accordance with your temperature preference Heating Permits heating If the room is too warm turn the temp control clockwise If LOW COOL Low Cool operation the room is too cool turn the temp control counterclockwise HIGH COOL High Cool operation cooling heating 2422 7 3 WAY VALVE 3 Way Valve Liquid Side 3 Way Valve Gas Side Valve cap Open position 2 Closed position Pin ipin Bennen Service port port To outdoor unit Valve cap Open position Closed position Flare nut To piping connecti
25. INDOOR Tmi TERMINAL BLOCK INDOOR RY1 2 3 RELAY FOR Fmi1 2 Ry5 RELAY FOR HEATER N 4 3 OUTDOOR UNIT OUTDOOR ELECTRIC CIRCUIT P NO 3854A20026F gt TO Tmi 1 2 OF gt INDOOR UNIT 30 3WIRES 220V 60Hz POWER SUPPLY CONNECT TO 7 30 4WIRES 5 INDOOR UNIT 380V 60Hz y A POWER SUPPLY FMo FMo2 OUTDOOR 2 s To 4 of Tmi COMPRESSOR Indoor unit Caution 4 Check list before test run NOTE 1 Basic wiring is 32 3wires 220V XR X 7 1st Reconfirm the wiring of compressor 2 For changing the running voltage to 380V YO U M and motor of indoor unit CH CRANKCASE HEATER Z please change the wiring by the next steps Z 2nd Fasten the screw of Tmo1 one more 1 2 CAPACITOR FOR FAN 1st Remove the a wires from the R of 21 2 FUSE Tmo Outdoor unit 1 2 and connect the 30 3 wires 220V 32 4 wires 380V NOTE FMoi2 OUTDOOR FAN MOTOR wire to the of Tmo1 Outdoor unit 1 2 4th Change the electric heater wires 516 EOCRFORCOMPRESSOR 2nd Remove the b wire from 1 of 52C 3 For setting the E O C R current BL RD RED Outdoor u
26. cycle Suction pressure is higher than standard See High Suction Pressure Low Faulty discharge valves or suction valves of 1 Check unit operation input Discharge the compressor 2 Check the suction pressure Refrigerant low charge or leakage Add refrigerant repair leakage if any Suction pressure is lower than standard See Low Suction Pressure High Intake air extemely hot or excessive air flow 1 Check fresh air intake or check for Suction through the evaporator coil B oe return air Pressure Check air flow quantity Refrigerant over charge Purge the refrigerant Faulty discharge valve or suction valve of Check the operating input the compressor Discharge pressure is higher than standard See High discharge Pressure Low Intake air extremely cold or insufficient air 1 Check air flow quantity Suction flow through the evaporator coil 2 Check air filter Pressure 3 Check evaporator coil frosting Refrigerant short charge or leakage Add refrigerant repair leakage if any Restricted liquid in the suction line Check the capillary tube and the strainer 46 Fault Cause Check Correcitve Action Discharge pressure is lower than standard See Low Discharge Pressure Single or three phases running Check the power supply line and the contactor High or low voltage or phase unbalance Check
27. next steps 1st Remove the a wires from the R of Tmo1 Outdoor unit 1 and connect the wire to the of Tmo1 Outdoor unit 1 2nd Remove the b wire from 52C Outdoor unit 41 2 and connect the wire to the 2nd of Tmo1 Outdoor unit 1 ndr 3rd Change the compressor 220V 24 wires like an example TRANS tito 39 3 wires 220V 30 4 wires 380V 4th Change the motor Indoor Unit wires like below 1 30 3WiRES 62 Kp 2 60Hz POWER SUPPLY 2 1 3 3 BK 4 71819 4 30 4WIRES 380V 60Hz POWER SUPPLY BK 6 1 BK vy 123 38 3 wires 220V 30 4 wires 380V 5th Change the electric heater wires 3 Remove F1 F2 of Outdoor unit 2 4 For setting the E O C R current OUTDOOR UNIT 1 Y 4 F INDOOR UNIT TO Tmi 1st E O C R for compressor Power supply Current A Time sec 30 220V 60Hz 55 5 30 380V 60Hz 40 5 BL 2nd E O C R for motor Indoor unit BL Power supply Current A Time sec Zn 220V 24V 30 220V 60Hz 7 5 TRANS 30 380V 60Hz 5 5 5 Check list before test run 1st Reconfirm t
28. s service port Stopping partway will allow the gas to be discharged f the system has been charged with liquid refrigerant while operating the air conditioner turn off the air conditioner before disconnecting the hose Mount the valve stem nuts and the service port nut Use a torque wrench to tighten the service port nut Be sure to check gas leakage 39 8 TROUBLESHOOTING GUIDE In general possible trouble is classified as two causes The one is so 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 or Heating Unit runs but ineffective cooling Check of cold warm air cir Check outdoor coil culation for smooth flow heat exchanger amp fan operation Check heat load rise at cooling operation Unexpected residue Added electrical utensil Malfunction of fan Repair gas leak Dirty indoor coil Check gas leakage heat exchanger Check inside gas Replacement of unit if the pressure unit is beyond repair Clogging of air filter Obstruction at air outlet Adjust refrigerant charge Stop of auto air swing Malfunction of compressor Countermeasure against above trouble Replacement of compressor Check clogging in refrigera tion circuit Satisfactory operation with temperature difference o
29. starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate The following troubles would be caused by volt age drop down Vibration of a magnetic switch damage on the contact point there of fuse breaking distur bance to the normal function of a overload pro tection device 06 BOX Wiring of Electric heater
30. the voltage and phase unbalance Internal Refrigerant short charge or leakage Add refrigerant repair leakage if any Thermostat Cut Off Compressor frequently stops and starts Check thermistor operation or any other cause for frequent stop and start operation Discharge and suction pressure are See High Discharge Pressure or High extremely high Suction Pressure i Check the voltage and phase unbalance Overcurrent High or low voltage or phase unbalance g p Relay for Single or three phases running Check the power supply line and the Compressor contact Cut Off Faulty compressor motor Check electric resistance among the compressor terminals and from the ter minals to ground Loose connections Check the electric connections Compressor frequently stops and starts Check the operation of the thermistor or any other cause for frequent stop High or low voltage or phase unbalance Check the voltage and electric wiring Overcurrent Relay for Single or three phases running Check the power supply line and the Fan Motor contactor Cut Off Faulty fan motor Check the fan motor and wiring Loose connection Check the elelctric connections Faulty fan bearing Check repair or replace the bearing Loose connections Check the electric connections Fuse Blown Single or three phase running Check the power supply line Faulty motor Check electric resistance among motor housing and from the terminals to ground Dis
31. 356C 4940AP3422C 290200088 49404300060 4940AP3166E 4940AP3326E 4944AP2293A 6871AQ2242B 4G00103B ele 3G00129A 5301A10002E 4995 2575 6901A30001 5 4681AP2824A 4940A30006A 4940A30006C 3500AP2291A 6871 20082 a 65 11 3 Indoor Unit LP 20091CL 20091XL 1 Exploded View 2 Exploded View of Electric Heater LP 20091XL Top cover Bimetal 1st Bimetal 2nd Thermal fuse 3rd 66 screw Y Diffuser assy Electric heater 65 e 9 2 Barrier blower hole Front Heater anel P bracket Barrier blower Inlet grille Indoor unit control box 8 Electric heater Control box to No 1 No 3 of connector for heater 64 the control box terminal block the control box Thermal Fuse Type 3 Replacement Parts List PART NO BESERIETIDN LP 20091CL LP 20091XL 1 25004100 2004100 1 2 SIDE L 3A02242G 3A02242L 1 KM p TOP COVER 3A02244D 3A02244C PANEL REAR B PANEL REAR M_ PANEL REAR
32. 380V 60Hz poda YL eror POWER SUPPLY OUTDOOR 1 COMPRESSOR b Caution 1 Basic wiring is 30 4wires 380V 2 For changing the running voltage to 220V please change the wiring by the next steps 1st Remove the a wires from the N of Tmo1 Outdoor unit 1 2 and connect the wire to the of Tmo1 Outdoor unit 1 2 2nd Remove the b wire from Tmot Outdoor unit 41 2 and connect the wire to the 1 of 52C Change the compressor wires like an example Hp I 39 4 wires 380V 30 3 wires 220V 3 For setting the E O C R current Power supply Current A Time sec 30 220V 60Hz 35 5 30 380V 60Hz 242 5 11 RELAY FOR CONNECT TO INDOOR UNIT 3854A20026B OUI 4 Check list before test run 1st Reconfirm the wiring of compressor and motor of indoor unit 2nd Fasten the screw of Tmo1 one more NOTE BL BLUE BK BLACK WH WHITE BR BROWN YL YELLOW OR ORANGE GN GREEN GN YL GREEN YELLOW RD RED To 4 of Tmi Indoor unit NOTE CH CRANKCASE HEATER CO1 2 CAPACITOR FOR FAN F1 2 FUSE 1 2 OUTDOOR FAN MOTOR 51C E O C R FOR CO
33. 5 _2A01180D 3A02139S 5403AP26188 4520AP4095A 4810AP3697A 5211AP3868A 5211AP3868B 5211 3869 5211AP3869B 2A001 910 4995AP2608B 3110AP2592A o NNNM 2A01031D i NER E 3A00493A 2H00841J 5040AP4241A 5040 4242 4830AP41 82A dee 4980AP2621A 2A00469G 2 00468 3550AP2647P 4980AP1 265P 4980AP1264P 4980 1263 4948 1242 MM a a aa Eb uoc UE LIA E DESCRIPTION PART NO LP 10091CL LP 10091XL lt REMARK MOUNT MOTOR ASM MOTOR SPRING LOCK WASHER ete PANEL ASSY FRONT COVER ASSY CONTROL PANEL INSTALL U BRACKET INSTALL L BRACKET COVER FAN 3A00434A 4860AP2610A 4A00077A 00026 4A01387A 1WSD1000030 1NHA1001206 2A00144P 3721AP2913P 3721AP2913Q 3551AP7047Z 3720AP3810P 4810AP3814P 4810AP7078A 3550AP3912A 3A00434A 4A00077A 0A00026B 4A01387A 1WSD1000030 3721AP2913P 3551AP7047Z 3720AP3810P 4810AP3814P 4810AP7078A 3550AP3912A 4860AP2610A C c m 1NHA1001206 2A00144P mimo mm b k 2779 11 5 Outdoor Unit LP 15091CL 15091XL 1 Exploded View
34. B P C B Is the AC220V 240V between C and of SUB P C B Is the AC220V 240V between C and L of SUB P C B Replacement RY1 of Replacement RY2 of Replacement RY3 of SUB PCB SUB PCB SUB PCB Check the motor winding 49 3 Indoor fan does not operate LP 15091CL XL ls the unit operating NO ON OFF S W ON Is the DC5V at 21 pin of MICOM Is the DC5V at 22 pin of MICOM Replacement IC1 MICOM Is the DC12V at each terminal of RY2 of SUB PCB ASM Is the DC12V at each ter minal of RY3 of SUB PCB ASM Replacement IC2 NO Is the AC220V 240V between C and of SUB P C B Is the AC220V 240V between C and L of SUB P C B Replacement RY3 of SUB PCB Replacement RY2 of SUB PCB Check the motor winding 50 4 The unit does not operate 240V d Mas out 1 Check the electric connections 2 Check the fuse of Main PCB ASM Is the AC12 18V at Trans 2nd Replacement Trans ls the connector of Check the connector of Main Display correct Main Display Is the DC5V between PIN64 1 Replacement ICO3D and PIN 32 of MICOM 2 Replacement Main PCB ASM Replacement Main PCB ASM 6 Timer control does not operate Replacement Micom 51 5 No heater operation works Is the Heat S W of Main PCB Is the DC 5V at 15 pin of NO Heat S W ON
35. BUT 50 x 2 per 1m BUT 50 x 2 per 1m Core Drill Example 72K 80K In case of 10m long pipe one way the amount of refrigerant to be replenished is 10 5 x 50 250g zm 6 2 Installation Method 1 Procedure No Installation works Descriptions 1 Preparation of tools and installation parts Preparation of installation 2 Flaring the pipes To insert the flare nuts mounted on the connection parts of both indoor and outdoor unit onto the copper pipes 3 Pipe bending To reduce the flow resistance of refrigerant 4 Connection of installation parts Connection of long piping elbows socket etc 5 Tighten the flare nut outdoor Connecting the pipings of the outdoor unit 6 Blowing the pipings To remove dust and scale in working 7 Tighten the flare nut indoor Connecting the pipings of the indoor unit 8 Check a gas leakage of the connecting part of the pipings 9 Air purging of the piping and indoor unit The air which contains moisture and which remains in the refrigeration cycle may cause a malfunction on the compressor 10 Open the 3 way liquid side and 3 way gas side valves 11 Form the pipings To prevent heat loss and sweat 12 Checking the drainage indoor unit To ensure if water flow drain hose of indoor unit 13 Connecting the cable between outdoor Preparation of the operating and indoor unit 14 Connecting the main cable to outdoo
36. L GRILLE TOP COVER BEAM B ASSY ANGLE REAR ASSY _ BRACKET SIDE W ASSY ANGLE FRONT ASSY SUPPORT EVAP ASSY BRACKET U L DOOR MAGNET ASSY 3087A20001Q 2 5421 297 DRAIN PAN ASSY EVA ASSY ur MAINFOLD OUT 1 TUBE ASSY TUBE ASSY Dt DISCHARGE 1 TUBE ASSY MAINFOLD OUT 2 EVAP L BRACKET EVAP R_ TUBE CAPILLARY FILTER ASSY GRILLE INLET SUPPORT GRILLE U GUIDE FILTER GUIDE FILTER GUIDE FILTER SUPPORT GRILLE L HOUSING ASSY HOUSING ASSY EE 3A02260B 3A02317B 3A02317B 2 44015980 44015989 24004350 2A00435Q 3001AP1318P 3001AP1318P 3A01431R 3A01431S 2A00412R 3A01420C 4810AP4208P 3A02221A 5211AP2852C 5211AP7320E 5211AP2853C 5211AP7320F 4810AP2822A 4810AP2822B 5424AP3074F 3A01299K 1A00111C 3A01 338F 4974AP2145C 3A01494Q 2A00214R 2 002145 2A00412R 3A01420C 4810 4208 3A02221A 3087200010 5421AP2973A 5211AP2852C 5211AP7320E 5211AP2853C 5211AP7320F 4810AP2822A 4810AP2822B 5424AP3074F 3A01299K 1A00111C A MADE 3A01494Q 2A00214R 2 00214 3A02263B 3A02260B 340 1491R em 3A01431S 69 DESCRIPTION PART NO LP 20091CL LP 20091XL REMARK BLOWER WHEEL ASSY CUT OFF BEARING PULLEY MOTOR PULLEY B DIFFUSER ASSY HOLDER PIN
37. MPRESSOR TERMINAL BLOCK INDOOR TERMINAL BLOCK OUTDOOR MAGNATIC CONTACTOR FOR COMP HIGH PRESSURE SWITCH LOW PRESSURE SWITCH 4 4 LP 15091XL INDOOR UNIT WIRING DIAGRAM P NO 3854A20026E basic wiring of tnis product is 2 If you want to change the running voltage to 380 change the wiring of electric heater and outdoor unit POWER GUE 3 The cross sectional area of conductors for power supply electric heater 30380 60H must be over 38mm 32 380 60 2 ASM 0 RY4 RY3 5 RY2 CN2 RD 3 WH 2 1 gt gt OUTDOOR UN THERMAL PROTECTOR BK RD ojo RD li RD S THERMAL PROTECTOR gt OUTDOOR UNIT 2 NOTE 3 BL BLUE RD RED RY1 Aloo FUSE 25017204 10091 B PCB ASM CN3 R N OF Tmo1 OUTDOOR 1 BK BLACK WH WHITE F 10 220V BR BROWN YL YELLOW gt gt Field Wiring OR ORANGE GN YL GREEN YELLOW TD 5 SECOND DELAY TIMER 1 2 INDOOR FAN MOTOR THi THERMISTOR FOR INDOOR TEMP RELAY FOR COMP CAPACITOR
38. SSY MANIFOLD IN TUBE ASSY MANIFOLD OUT TUBE ASSY MANIFOLD OUT CONTROL BOX ASSY CASE CONTROL D emn MAGNETIC CONTACTOR TERMINAL BLOCK SH CAPACITOR TIMER ASSY TRANSFORMER WE ED PNE TERMINAL BLOCK RUBBER MOUNTING RUBBER RING BUSHING SUPPORTER VALVE VALVE SERVICE Tere COVER TUBING SUPPORTER REAR SUPPORTER REAR SUPPORTER FRONT _ mn MOTOR gt 2A01180D 021395 5403 2618 4520AP4095A 4810A30028A 52114300500 5211AP3868A 5211AP3868B 2 001915 _ 4995 20019 3110AP2592A _3500AP2591A 2 010310 2A00999H 3A00493D 2H00841J 3Q01017A 3A00093A 5040 4241 5040 4242 4830 4182 4980 2621 2 00468 _3550 20003 4980 12650 4980 1265 4980 1264 4980AP1263P 4948AP1242P 3A00434A 4680AP2610A 2A01180D 021395 5403AP2618F 4520AP4095A 4810A30028A 2 00191 4995 20019 3110 2592 24009994 3A00493D 2H00841J 3A00093A 5040AP4241A 5040 4242 4830 4182 4980 2621 2A00469G 2 00468 20008 4980AP1265Q 4980AP1265P 4980AP1264P d c viue 4948AP1242P 3A00434A DEREN iconos 5211A30050D 5211 3868 5211 3868 3Q01017A 77 DESCRIPTION
39. Suction pressure sensor Low Pressure Switch 2 DIMENSIONS 2 1 LP 10091CL XL 2 2 LP 15091CL XL Pan zm NP CT 2 3 LP 20091CL XL 3 REFRIGERANT CYCLE DIAGRAM Cooling Cycle INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGER ACCUMULATOR COMPRESSOR 4 WIRING DIAGRAM 4 1 LP 10091CL INDOOR UNIT INSV 99 SUB PCB ASM d MAIN PCB ASM CONNECT TO CONTACT T OF OUTDOOR TERMINAL BLOCK A 19 220V BLUE BLACK WH WHITE BROWN YL YELLOW ORANGE GN GREEN RED GN YL GREEN YELLOW INDOOR Tmo OUTDOOR FIELD WIRING P No 3854AP2687J ROOM TH THERMISTOR FOR INDOOR TEMP INDOOR FAN MOTOR RY4 RELAY FOR COMP EVA TH THERMISTOR FOR EVA TEMP CAPACITOR FOR FAN INDOOR TERMINAL BLOCK INDOOR TERMINAL BLOCK OUTDOOR OUTDOOR UNIT LP 10091CL XL FIELD WIRING 380 WIRING 220V WIRING NOTICE 1 Basic wiring is 39 3W 220V 60Hz
40. XL 7 hour timer LP 10091CL XL 15091CL XL OF WD 1 3 Product Specifications LP 10091CL LP 10091XL LP 15091CL LP 15091XL LP 20091CL LP 20091XL ITEMS POWER SUPPLY 9 V Hz 3 220 380 60 3 220 380 60 3 220 380 60 COOLING CAPACITY Btu hr 100 000 150 000 200 000 ELECTRIC HEATER KW 20 30 40 COOLING 13 000 13 000 18 500 18 500 24 500 24 500 POWER INPUT E HEATER w 20 000 30 000 40 000 RUNNING COOLING 35 4 21 35 4 21 53 5 31 53 5 31 71 43 71 43 CURRENT HEATER 53 35 78 46 106 61 MODEL QR12M2 ES8 QR90K2 ES8 QR12M2 ES8 MAKER COPELAND COPELAND COPELAND TYPE RECIPRO RECIPRO RECIPRO COMPRESSOR COOLING Btu hr 115 000 91 100 115 000 CAPACITY INPUT KW 12 660 9 59 12 660 LRA 213 123 191 110 213 123 INDOOR dB A 60 63 65 NOISE LEVEL OUTDOOR dB A 62 65 68 AIR INDOOR CMM 89 130 150 CIRCULATION OUTDOOR CMM 150 150X2 150X2 REFRIGERANT R 22 kg 6 5 8 0 X2 78X2 HEAT INDOOR R C FPI 3 33 17 4 28 15 4 28 15 EXCHANGER OUTDOOR R C FPI 2 36 17 2 34 17 2 36 17 INDOOR TYPE SIRCCO FAN OUTDOOR TYPE PROPELLER ROOM TEMPERATURE CONTROL MICOM MANUAL D WIDTH 1 050 1 558 1 558 INDOOR HEIGHT mm 1 860 1 920 1 920 DEPTH 495 700 700 T WIDTH 1 245 1 320 1 245 s OUTDOOR HEIGHT mm 930 990 930 S
41. conductors for power supply must be over 14 0 220V 380V 10 4 3 LP 15091CL INDOOR UNIT WIRING DIAGRAM MAIN PCB ASM CN1 gt oLBK 1 WSV 99 FUSE oo SUB PCB ASM CN2 gt TERMI mi P NO 3854A20026A RD 3 Om Een OUTDOOR UNIT 1 CONNECT TO OUTDOOR UNIT 2 CONNECT TO CONTACT OF OUTDOOR 1 NAL BLOCK A NOTE BL BK BR OR RD BLUE BLACK BROWN ORANGE RED WH WHITE YL YELLOW GN GREEN GN YL GREEN YELLOW 5 SECOND DELAY TIMER FMi1 2 INDOOR FAN MOTOR THERMISTOR FOR INDOOR TEMP OUTDOOR UNIT Tmi TERMINAL BLOCK INDOOR OUTDOOR ELECTRIC CIRCUIT TO Tmi 1 2 OF gt J INDOOR UNIT F2 NE 30 3WIRES 220V 60Hz 4 POWER SUPPLY YY 30 4WIRES
42. connection and Faulty Contact Disconnection 1 Check the wires and connect where necessary 2 Check the contact holding coil Faulty contact Check the contact in the magnetic con tact the over current relay the pressure control switch the operation switch the auxiliary relay 47 8 6 Electronic Parts Troubleshooting Guide 1 No cooling operation performed Is the AC220V AC 240 V between Connector CN outunit Pin 1 and Pin 3 of Main P C B ls the input power AC220V AC240V at COMP Magnetic coil Is the unit operating Check the magnetic Check the wiring contactor of outdoor unit diagram Reset the power ON OFF S W ON Is it Cooling mode Select the cooling operation mode Room temp Set temp Room temp set temp setting Is the DC5V at 14 pin of MICOM Replacement 02 RY COMP Replacement MICOM 48 2 Indoor fan does not operate LP 10091CL XL ls the unit operating ON OFF S W ON Is the DC5V at 20 pin of MICOM Is the DC5V at 21 pin of MICOM Is the DC5V at 22 pin of MICOM Replacement IC1 MICOM and check the EVA Th Is the DC12V at each terminal of RY1 coil of SUB PCB ASM Is the DC12V at each terminal of RY2 of SUB PCB ASM Is the DC12V at each ter minal of RY3 of SUB PCB ASM Replacement IC2 Is the AC220V 240V between C and H of SU
43. e and 3 way gas side valve s stem nuts and the service port nut Use torque wrench to tighten the service port nut Be sure to check gas leakage cb 1 Re air purging Re installation Liquid side 3 Way Closed valve Outdoor unit Procedure O Confirm that both the 3 way liquid side valve and the 3 way gas side valve are set to the closed position 2 Connect the charge set and gas cylinder to the service port of the 3 way gas side valve Leave the valve on the gas cylinder closed 9 Air purging Open the valves on the gas cylinder and the charge set Purge the air by loosening the flare nut on the 3 way liquid side valve approximately 45 for 3 seconds then closing it for 1 minute repeat 3 times After purging the air use a torque wrench to tighten the flare nut on liquid side valve Check gas leakage Check the flare connections for gas leakage Discharge the refrigerant Close the valve on the gas cylinder and discharge the refrigerant until the gauge indicates 3 to 5kg cm2g Disconnect the charge set and the gas cylinder and set the 3 way liquid side and 3 way gas side valves to the open position Be sure to use a hexagonal wrench to operate the valve stems Mount the valve stem nuts and the service port nut Use torque wrench to tighten the service port nut Be sure to check gas leakage 36 2 Balance refrigeran
44. ed by checking the operation of other equip ment Repair a switch box and is relative instrument Replacement of fuse Request a power supplier to repair Too low voltage Measure it with a tester Check the power source Use a thick cable if nec essary Magnetic switch for com pressor amp fan motor Control point is on condi tion of OFF due to trou ble Make short circuit then measure it with a tester Replace it if necessary Operating switch Troubled or defective contactor Check it with the eyes or tester Repair or replace it Protection devices Opened the contact point with trouble Check it with the eyes or tester Discover the trouble cause and push the rest button 2 Only blowers do not work WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Air volume change over Switch Troubled or defective contact point Check it with the eyes or a Repair or replace it tester Capacitor Defected Check it with a tester Replace it 42 3 Only outdoor fan does not work WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Motor Over heated Check how it is insulated Repair or replace it Layer short Electric Wiring Open wire on operation Check it with a tester Rewiring or repair Short operation circuited on 4 Only compressor does not work WHAT TROUBLED COMPLAINTS
45. edure is as the following 1st Press the 2 buttons of the temperature control simultaneously to raise to lower on the Display Panel of the product for more 3 seconds 2nd The buzzer sounds and then the window of Display Panel shows Loc LOC mark 3rd To release this function the reverse again the operating procedure could be done During this function is operating any buttons of Display Panel don t work 10 AUTO RESTART In case the power comes on again after a power failure Auto Restarting Operation is the function to operate procedures automatically to the previous operating conditions 19 6 Installation 6 1 Installation of Indoor Outdoor unit 1 Selection of the best location Indoor unit There should not be any heat source or steam near the unit There should not be any obstacles to prevent the air circulation A place where air circulation in the room will be good A place where drainage can be easily obtained place where noise prevention is taken into con sideration Do not install the unit near the door way Ensure the spaces indicated by arrows from the wall ceiling fence or other obstacles Q Outdoor unit If an awning is built over the unit to prevent direct sunlight or rain exposure be careful that heat radia tion from the condenser is not restricted There should not be any animals or plants which could be affected by discharged hot air
46. emp 1 C Compressor OFF More than More than 3minutes minutes 3 minutes Selecting Selecting Selecting Selecting Ere 3 Soft Dry Operation Mode During Soft Dry Operation the compressor ON temperature is the setting temperature plus 2 C the compres sor OFF temperature is the setting temperature minus 1 C When the room temperature rises over the compressor ON temperature the operation mode is switched to the Cooling mode When the room temperature falls between the compressor ON temperature and OFF temperature the opera tion mode is switched to the Soft Dry Operation The operation diagram is shown below i Operation Cooling Intake Air Temp Cooling Dry operation operation Bd gt Setting Temp 2 Compressor ON Setting Temp 1 C Compresso OFF n Selecting Selecting Indoor Fan Speed fan speed fan speed Compressor ON ON 4 Protection of the evaporator pipe from frosting LP 10091CL XL Compressor and outdoor fan stop when indoor pipe temperature is below 2 and restart at the pipe temperature is above 12 5 Off Timer Function 10K 15K This function is to set the time of stopping the unit operation The procedure is as the following 1st Press the timer set button on the Remocon 2nd The buzzer sounds and then the display window shows the Off Time to be set as 1 00 7 00 gt 0 00 The Off Time is s
47. etightened repair the location of the leak discharge all of the gas through the service port and then recharge with the specified amount of gas from a gas cylinder 84 7 2 Pumping down Outdoor unit Indoor unit ANN Y Liquid side A Gas side y CLOSE A E Purge the air lt Procedure Q Confirm that both 3 way liquid side and 3 way gas side valves are set to the open position Remove the valve stem caps and confirm that the valve stems are in the raised position Be sure to use a hexagonal wrench to operate the valve stems Q Operate the unit for 10 to 15 minutes Stop operation and wait for 3 minutes then connect the charge set to the service port of the 3 way gas side valve Connect the charge hose with the push pin to the service port Air purging of the charge hose Open the low pressure valve on the charge equipment slightly to purge air from the charge hose Set the 3 way liquid side valve to the closed position Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 1 kg cm g Immediately set the 3 way gas side valve to the closed position Do this quickly so that the gauge ends up indicating to 5kg cm g Disconnect the charge set and mount the 3 way liquid sid
48. f inlet amp outlet air Repair clogging in refrigera COOLING 7 10 C tion circuit HEATING 15 17 C Failures to Start Check of circuit breaker Check power source and fuse Check control switch Check control switch Compressor only fails to start Electric heater is not energized Drop of power voltage Loose terminal connection Fan only fails to start Improper wiring Defect of fan motor capacitor Improper wiring Defect of compressor capacitor Irregular motor resistance Q Irregular motor insulation Replacement of fan motor Improper electric heater Capacitor check Replacement Irregular motor resistance Q Regular but fails to start Replacement of compressor Replacement of electric Irregular motor insulation Q heater Replacement of compressor 41 PACKAGE AIR CONDITIONER VOLTAGE LIMITS NAME PLATE RATING MINIMUM MAXIMUM 220 V 198 V 242 380 V 342 V 418 V 8 1 No cooling and heating operation performed 1 Both the blower and the compressor do not work WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Other parts than the unit Electric supply interrupted Defective power wiring Cut of power fuse Measure it with a tester in case that the same power source is supplied to other equipment than the unit what and where trouble can be discov er
49. h 1 Power Supply Power source must fulfill the following conditions The working voltage should be higher than 9096 and lower than 11096 of the rated voltage marked on the name plate Q The starting voltage should be higher than 8596 of the rated voltage marked on the name plate Voltage Power source voltage working voltage 4 Starting voltage 2 Wiring After the confirmation of the above conditions pre pare the wiring as follows Use the power supply cord Rubber insula tion type Ho7RNF approved by HAR or SAA suitable for the product s electriccal capacity Circuit breaker capacity MODEL OUTDOOR E Heater BUT 50A 100A BUR 100A 100A BUTH 100A 150A Conductor cross sectional area MODEL OUTDOOR E Heater BUD 450 750V 55mm 140mm BUR 450 750V 5 5mm 38 Omm BOLA 450 750V 80mme 50 0mm 2 Provide a recognized circuit breaker as below between power source and unit A disconnection device to adequately discon nect all supply lines must be fitted for service operations The screws which fasten the wiring in the cas ing of electrical fittings are liable to come loose from vibrations to which the unit is subjected during the course of transportation Check them and make sure that they are all tightly fastened If they are loose it could give rise to burn out of the wires See to it that the
50. he wiring of compressor and motor of indoor unit 2nd Fasten the screw of Tmo1 one more NOTE TO 52Fi O INDOOR UN CH CRANKCASE HEATER CO1 2 CAPACITOR FOR FAN CS MODE SWITCH F1 2 FUSE FMi INDOOR FAN MOTOR OUTDOOR FAN MOTOR GL1 COOL LAMP 9 HIGH COOL LAMP CONPRESSOR TD 15 SEC DELAY TIMER b 1 TH E O C R FOR FMi NOTE 1 OUTDOOR UNIT 2 UNIT 2 Tmi OF 51C E O C R FOR COMPRESSOR RD RED BROWN aa ERMINAL BLOCK OUTDOOR BL BLUE GN GREEN HERMOSTAT BLACK OR ORANGE 52C CONTACTOR FOR COMP WH WHITE GN YL GREEN YELLOW MAGNATIC CONTACTOR FOR FMi 63L LOW PRESSURE SWITCH FIELD WIRING 16 5 OPERATION DETAILS 1 The function of main control 1 Time Delay Safety Control 3min The compressor is ceased for 3 minutes to balance the pressure in the refrigeration cycle Protection of compressor e 35 The indoor fan is ceased for 3 seconds to prevent relay noise Protection of fan relay and micro chip 2 Cooling Mode Operation When selecting the Cooling 3 amp Mode Operation the unit will operate according to the setting by the controller and the operation diagram is as following Intake Air temp Setting Temp 1 Compressor ON Setting T
51. hifted as the following by each press 1 00 2 00 3 00 4 00 5 00 6 00 7 00 0 00 If you select 0 00 the Off Timer function will be cancelled During Off Timer Operation if you repress the timer set button the rest time will be displayed 18 6 Alarm mode display only displayed while operating 10K 15K aio The sensor for sensing room temperature is open or short ai2 Some keys of the display are out of order or short 7 Function for Air Circulation Air Flow If you press Fan operation button indoor Fan is only operating without compressor working On Air flow mode temperature setting is not adjustable Fan speed is adjustable by pressing Fan speed button 8 Function for Heater 1 On the set off mode Heater and indoor fan operate without compressor working by pressing Heater ON OFF button on the set 2 Heater ON temperature is the setting temperature minus 1 C Heater OFF temperature is the setting tempera ture plus 1 C 3 On Heater ON indoor fan is set to operate at Low speed for 30 seconds and then operate at the setting speed On heater OFF indoor fan stops after operating at Low speed for 30 seconds Except LP 20091XL 4 On Heater mode changing mode is not adjustable 5 On heater ON pressing Heater ON OFF button or Start Stop button stops the set after indoor fan operates at Low speed for 30 seconds Except LP 20091XL 9 Child Lock function The proc
52. ing by the next steps 1st Change the motor Indoor unit wires like below 1 3 39 4 wires 380V 30 3 wires 220V 2nd For setting the E O C R current 718 9 10 Power supply Time sec 39 220V 60Hz 7 5 CONNECT TO CONTACT R S T OF 30 380V 60Hz 5 5 OUTDOOR 2 TERMINAL Tmo1 f CONNECT TO OUTDOOR 1 3rd Change the Electric heater wires like TERMINAL BLOCK Tmo2 motor t 3 The cross sectional area of conductors for 1567 power supply electric heater must be over 50mm PP CONNECT TO OUTDOOR 2 FIELD WIRING TERMINAL BLOCK Tmo2 NOTE CS _ MODE SELECT SWITCH 5 SEC DELAY TIMER E O C R FOR FMi RD RED BR BROWN VT VIOLET 23H L THERMOSTAT HEATING LAMP MAGNATIC CONTACTOR FOR BLACK GN GREEN CN CONNECTOR 4P9P TD LAMP INDOOR FAN MOTOR WH WHITE OR ORANGE Tmi TERMINAL BLOCK INDOOR RELAY FOR HEATING MAGNATIC CONTACTOR FOR E HEATER GRAY GN YL GREEN YELLOW 15 OUTDOOR UNIT OUTDOOR ELECTRIC CIRCUIT P NO 3854A20026H Caution 1 Basic wiring is 39 3wires 220V 2 For changing the running voltage to 380V please change the wiring by the
53. irty or depleted replenish as needed 38 7 4 Gas Charging 1 Cooling mode After Evacuation Check valve Charging cylinder 1 Outdoor unit Procedure Q Connect the charge hose to the charging cylinder Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder e f you are using a gas cylinder use a scale and reverse the cylinder so that the system can be charged with liquid Q Purge the air from the charge hose Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air Be careful of the liquid refrigerant The procedure is the same if using a gas cylinder G Open the valve Lo side on the charge set and charge the system with liquid refrigerant f the system can not be charged with the specified amount of refrigerant it can be charged with a little at a time approximately 150g each time while operating the air conditioner in the cooling cycle however one time is not sufficient wait approxi mately 1 minute and then repeat the procedure pumping down pin This is different from previous procedures Because you are charging with liquid refrigerant from the gas side absolutely do not attempt to charge with larger amounts of liquid refrigerant while operating the air conditioner Immediately disconnect the charge hose from the 3 way gas side valve
54. joints at discharge and suction sides of the compres sor 2 Turn all switches OFF Turn the main switch ON Running test should be accomplished as follows Set operation switch at FAN and the fan will start Check to ensure that the fan sounds nor mal Q Next set it at COOL and the compressor will start Check to ensure that the compressor sounds normal 9 Check discharge and suction pressure on the compound gauges Check working voltage phase balance and run ning current 5 Check to ensure that the thermistor functions properly Check to ensure that the high pressure control switch functions correctly 30 6 10 Indoor Unit Controls and Indicators LP 10091CL XL LP 15091CL XL Display Soft Dry m Operation Lamp IC ROOM TEMP CE Auto Operation Lamp m Heater ON OFF Button XL MODEL ONLY 4 Timer Setting Button Operation stops at ON Fan Operation Lamp Cooling Operation Lamp 4 Timer Operation Lamp Duct Airflow Lamp SET TEMP 2 Oooo DLL LP 10091CL XL MODEL ONLY Heating Operation Lamp XL MODEL ONLY Outdoor Unit Operation Lamp Start Stop Button Operation will start when this button is pressed and stop when the button is pressed again m Indoor Fan Speed Selector To select the desired fan speed in two steps Low
55. necting pipings 22 Tape To finish the connecting pipings 23 Electrical Leakage Breaker To shut off the main power 24 Cable To connect the cable from outdoor unit to indoor unit 25 Drain hose sockets elbows To remote the condensing water mg 6 3 Piping of Indoor Unit 1 Preparation of piping Q Cut the pipes and the cable Use the accessory piping kit or the pipes purchased locally Measure the distance between the indoor and the outdoor unit Cut the pipes a little longer than measured distance Cut the cable 1 5m longer than the pipe length Remove burrs Remove burrs from cut edges of pipes Turn the pipe end down to avoid the metal powder Reamer entering the pipe Caution If burrs are not removed they may cause a gas leakage Point down 2 Connection of piping Move the indoor tubing and drain hose to the hole Remove tubing holder and pull the tubing out of the chassis 2 Replace the tubing holder into original position G Route the tubing and the drain hose staight backwards 4 Insert the connecting cable into the indoor unit through the hole Do not connect the cable to the indoor unit Make a small loop with the cable for easy connection later Tape the tubing and the connecting cable Indoor unit installation Connecting the pipings to the indoor unit Align the center of the pipings and suffciently tighten the flare nut with fingers Finally tigh
56. nit 1 2 and connect the wire 9 BLACK WH WHITE to of Tmot Power supply Curreni A Time sec BR BROWN YL YELLOW Tmi __ TERMINAL BLOCK INDOOR 1 2 TERMINAL BLOCK OUTDOOR 3rd Change the compressor 30 220V 60Hz 5 OR ORANGE GREEN 520 CONTACTOR FOR COMP hang 63H HIGH PRESSURE SWITCH wires like an example 3o 380V 60Hz E GREENYELLOW 63L_ LOW PRESSURE SWITCH d 4 5 LP 20091CL INDOOR UNIT 49018 2 JO L S H LOVINOO OL LO3NNOO COWL 49019 TVNIIAH3LL OL LO3NNOO LOS Sk v had A X 9960067985 490718 Ht HOOALNO OL LOANNOO 07414 MOTI3A N33H9 AVHO AD 39NVHO HO ALIHM HM 989 gt LATOIA LA 14 ALON 7130 238 d6 HOLO3NNOO NO IN HOLOVLNOO OLIVNDVN IVISOWYSHL TWNIWHAL INA 303 4 1000 1009 HOLON
57. on Service port Cap port To outdoor unit Works Shaft position Shaft position Service port Shipping Closed Closed Closed with valve cap with valve cap with valve cap Air purging Open Closed Open Installation counter clockwise clockwise push pin Operation Open Open Closed with valve cap with valve cap Pumping down Open Open Open transferring clockwise counter connected clockwise manifold gauge Evacuation Open Open Open Servicing with charging cylinder Gas charging Open Open Open Servicing with charging cylinder Pressure check Open Open Open Servicing with charging cylinder Gas releasing Open Open Open Servicing with charging cylinder 33 71 Air purging Required tools hexagonal wrench adjustable wrench torque wrench and gas leak detector The additional gas for air purging has been charged in the outdoor unit However if the flare connections have not been done correctly and there gas leaks a gas cylinder and the charge set will be needed The air in the indoor unit and in the piping must be purged air remains in the refrigeration pipes it will affect the compressor reduce cooling capacity and can lead to a malfunction Liquid side Indoor unit Closed Outdoor unit Gas side Closed 3 way valve m
58. r unit THERMAL FUSE 30 220V 60Hz evo 30 380 60 2 POWER SUPPLY mu THERMAL FUSE MAIN PCB ASM RD REN gt CONNECT TO OUTDOOR UNIT CN1 CN2 WSV 89d 9 RY2 Mi BK BK SUB PCB ASM NOTE BL BLUE RD RED BLAKC WH WHITE BR BROWN YL YELLOW OR ORANGE GN YL GREEN YELLOW 2651 2 BIMETAL SWITCH FOR HEATER RELAY FOR COMP 6 RELAY FOR HEATER CONNECT TO CONTACT OF OUTDOOR TERMINAL BLOCK Tmo1 19 220V 60Hz YL BL oo 3 Ly E ELECTRIC HEATER INDOOR FAN MOTOR i CAPACITOR FOR FAN INDOOR TERMINAL BLOCK INDOO ELECTRIC HEATER 3854 26870 ELECTRIC HEATER WIRING DIAGRAM Thermal Fuse 144 C 16A 4EA o o eO Thermal Fuse 144 C 16A 4EA Thermal Fuse 144 C 16A 4EA o o eO Thermal Fuse 1447 16 4 oo 220 380V 1 Basic wiring is 39 220V 2 For changing the running voltage to 380V please change the electric heater wires like an example 3 The cross sectional area of
59. r unit 15 Supply the power to the crankcase heater To prevent the liquid back to the compressor Before the operating the unit Heat pump only 16 Cooling operation Use the remote control or display of the indoor unit 2 Preparation of installation parts and tools No Installation Parts Tools Use 1 Pipe cutter MAX 35mm Copper pipe Cutting the pipings 2 Remear Remove burrs from cut edges of pipes 3 Wrench H5 H4 hexagonal wrench To open the service valve 4 Pipe bender Bending the pipings 5 Leak detector Check a gas leakage of connecting part of the pipings 6 Manifold gauge To measure the pressure to charge the refrigerant 7 Charge nipple To connect the bombe 8 Vacuum pump To remove the air in the pipe 9 Charge cylinder balance To measure the refrigerant amount 10 Bombe Freon 22 Gas charge Air purge Cleaning the pipe 11 Spanner To tighten the connecting parts of the pipings 12 Monkey spanner 13 Driver 5 0 14 Benchi 150mm Cutting the wires 15 Tapeline To measure the length 16 Core drill To make holes through the concrete wall and blocks 17 Voltmeter Amperemeter Clampmeter To measure the current and voltage 18 Insulation resistance tester To measure the insulation resistance 19 Glass thermometer To measure the intake and outlet air temperature of the indoor unit 20 Copper tubes To use the connecting pipings 21 Insulation material To cover the con
60. rier blower Control box for Electric heater Electric heater connector Heater cable Electric heater Main power control box cable fixing hole For the electric heater 3 Replacement Parts List No DESCRIPTION PART NO LP 15091CL LP 15091XL Q TY REMARK Qo imi BASE PANEL SIDE L PANEL SIDE R _ TOP COVER PANEL REAR B_ PANEL REAR M_ PANEL REAR L E ERR BEAM B ASSY ANGLE REAR ASSY _ BRACKET SIDE W ASSY x ANGLE FRONTASSY SUPPORT EVAP ASSY BRACKET U L DOOR MAGNET ASSY ame ra 5421AP2973A 5211AP2852A 5 DRANPANASSY 0 02 EVAP COIL ASSY TUBE MAINFOLD OUT ASSY 1 TUBE DISCHARGE 1 TUBE MAINFOLD OUT ASSY 2 TYBE DISCHARGE 2 BRACKET EVAP L BRACKET EVAP R inm CAPILLARY OD HENRI FILTER ASSY GRILLE INLET SUPPORT GRILLE U GUIDE FILTER _ GUIDE FILTER GUIDE FILTER FUE a m HOUSING ASSY CAPACITOR 2A00410Q 3A02242G 3A02242M 3A02244D 3A02260B 3A02317B 2A00435Q 3001AP1718P 3A01420C 4810AP4208P 3A02221A 5211AP7320E 5211AP2853A 5211AP7320F _4810 2822 4810AP2822B _ 3E92334N 3 01299 1A00111C 3A01 338F 4974AP2145C 3A01494Q 3G00128A 2A00986T pn 3A014318 2A00412R 3A02242L 3A02242M 3A02244C 3A02263B 3A02260B 3A02317B 2A00435Q 3001AP1718P EE 2
61. rmed normally but very noisily and much vibratively screws WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Compressor Liquid refrigerant flooding Check for refrigerant over charge back from the evaporator Check to see if the intaking air temperature is extremely cold Check for insufficient air flow quantity Compressor shipping Checking Remove the shipping bracket is not removed bracket Faulty discharge valve Checking Replace the and suction valve compressor Blower Fan broken Checking Repair or replace it pens Clear the other Other materials intruded material Screws Looseness or fail off of Checking Repair 45 WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Electric troubles Defective contact Checking Repair and clean or Magnetic Defective contact point replace it contactor Rusting and faults in the iron core contact face Defective contact of the operating switch Others Improper installation Checking Correct it 8 5 Trouble checking by protection devices Fault Cause Check Correcitve Action High Discharge Condenser cooling air extremely hot or insufficient air flow through the condenser Inside of the condenser tube is clogged 1 Check the operation of the outdoor motor 2 Check discharge and suction air circula tion Clean condenser coil Air in the refrigeration cooling cycle Purge air from the
62. t of the 3 way liquid side 3 way gas side valves Gas leakage Outdoor unit Procedure Q Confirm that both the liquid side and gas side valves are set to the back seat Connect the charge set to the 3 way gas side valve s port Leave the valve on the charge set closed Connect the charge hose with the push pin to the service port G Open the valve Lo side on the charge set and discharge the refrigerant until the gauge indicates 0 kg cm g If there is no air in the refrigerant cycle the pressure when the air conditioner is not running is higher than 1 kg cm2g discharge the refrigerant until the gauge indicates 0 5 to 1 kg cm2g In case of this it will not be nec essary to apply an evacuation Discharge the refrigerant gradually if it is discharged too suddenly the refrigeration oil will also be discharged E rA 7 3 Evacuation All amount of refrigerant leaked Outdoor unit Procedure Q Connect the vacuum pump to the center hose of charge set Q Evacuation for approximately one hour Confirm that the gauge needle has moved toward 76cmHg vacuum of 4 mmHg or less Close the valve Lo side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approximately 5 minutes after turning off the vacuum pump Disconnect the charge hose from the vacuum pump Vacuum pump oil If the vacuum pump oil gets d
63. ten the flare nut with troque wrench until the wrench clicks When tightening the flare nut with troque wrench ensure the direction for tightening follows the arrow on the wrench 24 3 Precautions in bending O If it is necessary to bend or stretch the tubing use the spring which is attached to the tubing in stead of pipe bender Please make a careful notice to make a smooth line Hold the tubing with your two hands closely and then bend or stretch it slowly not to make any crack Remember that the radius R should not exceed 70mm Refer to Fig 1 Q Do not repeat the bending process to prevent the tubing from cracking or crushing Keep mind that the bending part should be cracked and make the radius R as long as possi ble Refer to Fig 2 6 4 Connecting Piping to Outdoor Unit 1 Connecting pipings to the outdoor unit Upon connecting 4 way valves please weld connecting pipes using elbows instead of connecting pipes with flare nuts 6 5 Connecting the Cable Q Open the control board cover from the outdoor unit by removing the screws 2 Connect wires to the terminals on the control board individually and secure the cables onto the control board with clamp 25 6 6 Power Supply and Wiring The unit is completely wired internally at the factory according to general rule of electrical technology but local rules if they are required should be complied wit
64. with a pressure gauge Readjust it to normal operating pressure Note Don t alternate the specified adjusting pressure If the adjusted pressure exceeds the specified range it will cause a great accident Refrigerant A shortage of refrigerant amount 2 Outdoor Fan Reverse rotation of fan Obstacle Air short circuit 1 Confirm the wind blowing out Check it with eyes Recharge the refrigerant Repair the spot where it leaks If reversed connect interchanged wires to each terminal Power wirings Note Use an appropriate measuring instrument for readjustment 1 Check the High pressure switch indication 2 Check the Low pressure switch indication 8 3 The unit is working but not cooling and heating sufficiently Both blower and compressor are working WHAT TROUBLED COMPLAINTS HOW TO CHECK REMEDY Load Much heat load Heat load increased Do necessary disposal Window or door has many respectively cracks or gaps Air flow Obstacle disturbs Intake Checking Correct it of uniform wind Short air volume Reverse rotation of Checking Correct it blower Refrigerant Shortage in the charged Coil inlet pipe is frosted Replenish it refrigerant Repair the leakage spot Air passage Improper or foreign bodies Checking Correct or clear the foreign bodies Air filter Clogged with dust Checking Cleaning 8 4 the functions are perfo
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