Lexmark 8300 Series Printer User Manual
Contents
1. gt Flip up door opened 3 Operation Mode 4 Cooling Operation Us Auto Operation Us Healthy Dehumidification Operation Heating Operation xk Cooling Model Heat Pump Model 4 START STOP BUTTON Operation starts when this button is pressed and O stops when the button is pressed again OPERATION MODE SELECTION BUTTON le Used to select the operation mode 8 ROOM TEMPERATURE SETTING BUTTONS lt Used to select the room temperature GI INDOOR FAN SPEED SELECTOR Used to select fan speed in four steps lt low medium high and CHAOS JET COOL HEATING C2 Used to start or stop the speed cooling heating m speed cooling heating operates super high fan speed in cooling heating mode CHAOS SWING BUTTON m Used to stop or start louver movement and set the C desired up down airflow direction o ON OFF TIMER BUTTONS Used to set the time of starting and stopping operation TIME SETTING BUTTONS Used to adjust the time TIMER SET CANCEL BUTTON Used to set the timer when the desired time is obtained and to cancel the Timer operation SLEEP MODE AUTO BUTTON Used to set Sleep Mode Auto operation AIR CIRCULATION BUTTON Used to circulate the room air without cooling or heating ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature RESET BUTTON Us2. 17 Installation 1 Installation of indoor Outdoor unit Read completely then follow step by step 1 Select the best location 1 Indoor unit Do not have any heat or steam near the unit Select a place where there are no obstacles in front of the unit Make sure that condensation drainage can be con veniently routed away Do not install near a doorway Ensure that the space around the left and right of the unit is more than 50cm 19 7 The unit should be installed as high on the wall as possible allowing a minimum of 10cm 3 9 from ceiling Use a stud finder to locate studs to prevent unnec essary damage to the wall More than 10cm 3 9 1 A CAUTION Install the indoor unit on the wall where the height from the floors more than 2m 6 6ft 2 Outdoor unit an awning is built over the unit to prevent direct sunlight or rain exposure make sure that heat radia tion from the condenser is not restricted B Ensure that the space around the back and sides is more than 10cm 3 9 The front of the unit should have more than 70cm 27 5 of space Do not place animals and plants in the path of the warm air Take the air conditioner weight into account and select a place where noise and vibration are mini mum Select a place so that the warm air and noise from the air conditioner do not disturb neighbors More than 50cm 19 7
3. 20K 82K 1 3 ORSH OR2H SH Med Low 2 ii CN 12V WH 5 R93 10K 4 POLY Swi RXE250 POLY sw2 OUTDOOR 104 iig coaD 25 CNMOTORI WH CN MOTOR2 YL 2 Outdoor Uni H3MOd NO n Take 7 z 092 9503 BH 1904 081 9 ream 7199 1 fo ASE lt o 210022 vol EOL 310 47 SNVHLNO 100 200 709 200 TL 2184 908 eo hos 201 LM 90008 9 ele A Len ou AMEND xd
4. More than 50cm 19 7 More than 2m 6 6ft than 60cm 24 More than 10cm 3 9 More than 10cm 3 9 More than 70cm 28 18 Installations If the outdoor unit is installed on roof structure be sure to level the unit Ensure the roof structure and anchoring method are adequate for the unit loca tion Consult local codes regarding rooftop mount ing 2 Piping length and elevation Pipe Size Standard Max Additional Pd p Length Elevation length Refrigerant Buh GAS LIQUD m B m gm amp ll 18K 5 8 04 66 49 28 9848 20 Va N N Outdoor unit Indoor unit Indoor unit Outdoor unit J 4 N Outdoor unit V In case more than 5m 16 4ft N CAUTION Capacity is based on standard length and maximum allowance length is on the basis of reliability Oil trap should be installed every 5 7 meters 16 4 23ft 3 Preparing work for Installation 1 Open panel front First Pull the grille bottom then remove screws 2 pieces and close grille bottom again The moment of lifting the both lower parts of panel front you can hear sound this panel came out In this time panel front is separated After pull down this panel a bit and separate con necting wire with product Panel Front Connector
5. Room Air Conditioner SERVICE MANUAL MODEL LSC183VMA Contents Details of 2003 LG Model Name nnn 3 ib Me ccce 4 Product Befereric8s rme nternet 6 DIMENSIONS NP T err PER ee ee Seer 7 Refrigeration Cycle Diagram nne nennen nnne nnne 9 Wiring ene ar enal dodo aetna nes ee 10 Operation Details onto aiid ete pee br tied ta itd ecc e su Ma or uf 11 Display Function aim IR OU MN Up EE rr mo M dus 17 self diagnosis FunCuon rarr o orto et or Bene Det coe p e t EHE 17 tu Lt M I 18 ET RE 32 Disassembly of the parts Indoor 33 2 Way 3 Way o o np eU en ne GN EDU M n ER UE 35 Cycle Troubleshooting 42 Electronic Control Device ox oue iei tse beten 52 Scneniatc Diagram oni i edu a aic M nd naa S nS 55 Exploded View and Replacement Parts 15 57 Details of 2003 LG Model Code Type Code of Model Meaning 1 Producing Center A Z ChangWon R22 ChangWon R410A ChangWon 407 Refrigerant 2 Type of Air conditioner 7 S Split Ty
6. Cooling Down to 18 Heating Down to 16 Up to 30 C Up to 30 C JET COOL Setting the Time or Timer vO Timer Selection Ko OFF ON OFF ON Timer Setting SET Timer Cancel CANCEL Cancel Sleep Mode Timer ON or Timer OFF Sleep Operation e 1 2 8 4 5 6 7 Off Timer Airflow Direction Control ic gt lt Air Circulation Fan Operates without cooling or heating Horizontal Airflow Direction Control Button Optional Ola Ol8 3 e RESET Product References Items Unit LSC183VMA Power Supply V Hz 1 208 230 60 Cooling Capacity BTU h 18 000 18 000 Input W 1 900 1 900 Running Current 9 0 9 0 COMP Locked Rotor AMP A 47 E E R BTU hW 9 5 9 5 Air Circulation m min cfm 11 9 420 Moisture Removal l h pts hr 2 5 5 3 Noise Level Indoor High dB A 3 45 Sound Med dB A 3 42 Pressure 1m Low 3 39 Outdoor dB A 3 53 Features Temperature Control Thermistor Air Deflection 4 way Steps Fan Cool 3 4 Airflow Direction Control up amp down Auto Airflow Direction Control left amp right Manual Remocon Type Wireless LCD Setting Temperature Range Cooling Mode 64 86 F Temperature Increment 2 Auto Operation electronic control
7. TD 1 1 o D obs 502 z E 800 tt HH m e ua ml im 09 85 D Wy mme Jos ag Ain d e OIg IvaaNnAH IS80v 2185 19 gt Q 1 463 INOOIIN 5 1 sns gt lt GL t 4nos eou dVvOOS9QbI 1 999 193 WLOOI cem 1 t 5 81 Sgu LdWOO LINMd MAINOO t 1S0 c L er NE 61 x 89094 T T E inox 8H LINI T EOL vzoo NS mA 16031 P 99 wel 49604 TA 12 13538 sed 269 veou eoo sen vaou I E mop o4 OY 201 mul PPA 1 MOL MOL IHL Heed 92 Nv IVH 9Vu 9NV m S NU Ls b 3 Le SVE SNV s od 940 suo vao 2 2 euo ENV EVH Sl Sl lt ven 20 20 NI 56 Exploded View and Replacement Parts List 1 Indoor Unit Parts List indoor LOCATIO
8. 2 Cover pipe and cover side remove Remove two screws for fixing cover pipe Pull up the cover side of desired connecting direc tion then cover side is separated Ein case connecting direction is left or right path through the hole of cover side CAUTION After removing the pipe hole cut the burr for safety Pipe hole Side cover When connecting pipe path through rear wall don t remove the hole 3 Drain hose junction Remove the rubber stopple of desired drain direc tion As the following picture Insert drain hose in the handle of drain pan and join drain hose and con necting hose Adhesive P Connecting Drain hose 4 to fix installation plate 5 Preparing work for installation 1 Drill a hole in the wall The wall you select should be strong and solid enough to prevent vibration e Drill the piping hole with a 250mm hole core drill Drill the piping hole at either the right or the left with the hole slightly slanted to the outdoor side Mount the installation plate on the wall with type A screws If mounting the unit on a concrete wall use anchor bolts Mount the installation plate horizontally by aligning WALL the centerline using a level Indoor Outdoor Installation Plate Y 5 7 0 2 0 3 Type A screw B Measure the wall and mark the centerline It is also important to
9. Bracket Motor Mount 34 2 Way 3 way Valve 2 way Valve Liquid Side 3 way Valve Gas Side Hexagonal wrench 4mm Flare nut Open position Closed position To piping connection To outdoor unit Valve cap Flare nut piping connection Open position Closed position Service Service port cap port To outdoor unit Works Shaft position Shaft position Service port Closed Closed Closed TS with valve cap with valve cap with cap Air purging Open Closed Open Installation counter clockwise clockwise push pin or with vacumm pump Closed with valve with valve cap with cap Pumping down Closed Open Open Transfering clockwise counter clockwise connected manifold gauge Evacuation Open Open _ Servicing with charging cylinder Gas charging Open Open Open Servicing with charging cylinder Pressure check Open Servicing Open Open with charging cylinder Gas releasin Open Servicing 31 Open Open with charging cylinder 35 1 purging Required tools hexagonal wrench adjustable wrench torque wrenches wrench to hold the joints and gas leak detector The additional gas for air purging has been charged in the outdoor unit However if the flare connections have not be done correctly and there gas leaks a gas cylinder and the
10. Check that each tube both liquid and gas side tubes between the indoor and outdoor units have been prop erly connected and all wiring for the test run has been completed Remove the service valve caps from both the gas and the liquid side on the outdoor unit Note that both the liquid and the gas side service valves on the outdoor unit are kept closed at this stage 2 Leak test Connect the manifold valve with pressure gauges and dry nitrogen gas cylinder to this service port with charge hoses CAUTION Be sure to use a manifold valve for air purging If it is not available use a stop valve for this purpose The Hi knob of the manifold valve must always be kept close Pressurize the system to no more than 150 PS I G with dry nitrogen gas and close the cylinder valve when the gauge reading reached 150 P S I G Next test for leaks with liquid soap CAUTION To avoid nitrogen entering the refrigerant system ina liquid state the top of the cylinder must be higher than its bottom when you pressurize the system Usually the cylinder is used in a vertical standing position Do a leak test of all joints of the tubing both indoor and outdoor and both gas and liquid side service valves Bubbles indicate a leak Be sure to wipe off the soap with a clean cloth After the system is found to be free of leaks relieve the nitrogen pressure by loosening the charge hose connector at the nitrogen cylinder
11. it operates with the low or setting airflow speed When the indoor pipe temp is between 20 and 28 it oper ates with Super Low while in sleep mode with the medium airflow speed While in compressor off the indoor fan is off when the indoor pipe temp is below 33 C when above 35 C it operates with the low airflow speed If overloaded while in heating mode operation in order to prevent the compressor from OLP operation the outdoor fan is turned on off according to the indoor pipe temp While in defrost control both of the indoor and outdoor fans are turned off Defrost Control While in heating mode operation in order to protect the evaporator pipe of the outdoor unit from freezing reversed to cooling cycle to defrost the evaporator pipe of the outdoor unit After 40 min heating mode operation at 4 min interval whether to carry out defrost control or not and the time of defrost control are determined according to the following conditions 1 While in heating mode operation the maximum of the indoor pipe temperature is measured and it is com pared with the present indoor pipe temperature to get the difference of the indoor pipe temperatures the maximum temperature of indoor pipe the present temperature of indoor pipe according to which whether to carry out defrost control or not is determined 2 According to the need of defrost control shown above and the elapsed time of heating mode operation at that m
12. 9 a EEN S S S S S S S 9 E E E E E E E E E E E E E E E E E E E E E E EIE z 10 ol olo c z rja wr Refrigeration Cycle Diagram Cooling Only Models INDOOR UNIT OUTDOOR UNIT lt UIN LIQUID SIDE CAPILLARY TUBE EVAPORATOR HEAT EXCHANGER CONDENSER i 1 Pipe size Diameter e Piping length Elevation MODEL Gas Liquid Rated Max Rated Max 5 8 1 4 7 5m 24 6ft 30m 98 4ft 5m 16ft 7m 23ft For installation over rated a proper quantity of refrigerant should be added for each meter a proper quantity of refrigerant 18K 20g Ex 18K When installed at a distance of 30m 450g of refrigerant should be added 80 7 5 x 20g 450g Wiring Diagram 1 Indoor Unit 18K Cooling Only Models MAIN PCB ASM CN MOTOR2 1 CN DC DC T BLOCK TO OUTDOOR UNIT INDOOR WIRING DIAGRAM 3854A20246X 2 Outdoor Unit 18K MAIN P C B CN TRANS TRANSFORMER o E o lt a lt o OUTDOOR WIRING DIAGRAM 3854AR707
13. Outdoor PWB Ass y is above 163 F the compressor is stop and only Outdoor Fan is operating d Check Relay RY COMP for driving compressor When the power About AC200V is applied to the connecting wire terminal support transferred to compressor PWB Ass y is normal Check the circuit related to the relay Outdoor unit Check point COMP ON COMP OFF Between Micom No 15 and GND BOY Deny Between IC8 No 16 Below DC 1V and GND ICOM No 16 app abel Be ley Lt Turn off Main Power HE Check the electrical wiring diagram of outdoor side Check the abnormal condition for the component of Compressor Outdoor Fan Motor 45 5 When Indoor Fan does not operate Does the voltage of each terminals of CN MOTOR CONNECTOR in Indoor unit corresponds to values in the Table of page 51 d Does the voltage of terminal of CN DC DC CONNECTOR in Indoor unit corresponds to the values in the table of page 51 CONNECTOR Check connecting condition of the CN MOTOR d Do the voltage of terminal of CN DC DC CONNECTOR in values in the table of page 51 Outdoor unit corresponds to the Check the pattern and the Check the interference of Indoor Fan condition of Indoor unit PWB 5 Check the patterns and the conditions of outdoor unit PWB Assy s Check the connect
14. When the system pressure is reduced to normal disconnect the hose from the cylinder Indoor unit gauge Nitrogen gas cylinder in vertical standing position Soap water method 1 Remove the caps from the 2 way and 3 way valves 2 Remove the service port cap from the 3 way valve 3 To open the 2 way valve turn the valve stem coun terclockwise approximately 90 wait for about 2 3 Sec and close it 4 Apply a soap water or a liquid neutral detergent on the indoor unit connection or outdoor unit connec tions by a soft brush to check for leakage of the connecting points of the piping b If bubbles come out the pipes have leakage 3 Evacuation Connect the charge hose end described in the pre ceding steps to the vacuum pump to evacuate the tub ing and indoor unit Confirm the Lo knob of the manifold valve is open Then run the vacuum pump The operation time for evacuation varies with tubing length and capacity of the pump The following table shows the time required for evacuation Required time for evacuation when 30 gal h vacuum pump is used If tubing length is less than 10m if tubing length is longer than 10m 33 ft 33 ft 10 min or more 15 min or more When the desired vacuum is reached close the Lo knob of the manifold valve and stop the vacuum pump 4 Finishing the job With a service valve wrench turn the valve stem of liquid
15. Yes Self Diagnosis Yes Timer 24hr On Off Sleep Operation Yes Healthy Dehumidification Mode Yes Restart Delay minutes 3 Refrigerant R 22 Charge 0 02 1 280 45 2 Power cord AWG P mm 14 3 2 5 Fuse or breaker Capacity A 20 Connecting Cable AWG P mm 18 4 0 75 Connecting Tube Liquid Side mm in 6 35 1 4 Socket Flare Gas Side mm in 15 88 5 8 Length std m ft 7 5 24 6 Additional Drain Hose Outer Dia mm in 19 6 8 Dimensions Indoor mm 928 522 147 WxHxD in 36 5 20 6 5 8 Outdoor mm 870 655 320 in 34 3 25 812 6 Net Weight Indoor kg lbs 16 35 3 Outdoor kg lbs 58 127 9 NOTE Please refer to Label Quality on the product since this specification may be changed for improving performance Dimensions 1 Indoor Unit 928 147 522 N ud Pipe Hole Fix Hole Indoor Unit 928 36 5 522 20 6 147 5 8 2 Outdoor Unit 18K Gas side 3 way valve Liquid side 3 way valve 5 ol al Al gt gt ao Of IES C x Trigo wx LN mm SNE S 55 5 NINA S O INO SC ol LO N D O 1 olol sl o o o o o o o
16. charge set will be needed The air in the indoor unit and in the piping must be purged If air remains in the refrigeration pipes it will affect the compressor reduce to cooling capacity and could lead to a malfunction NS Outdoor unit 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 7 CAUTION Do not leak gas in air during Air purging Procedure 1 Recheck the piping connections 2 Open the valve stem of the 2 way valve counterclockwise approximately 90 wait 10 seconds and then set it to closed position Be sure to use a hexagonal wrench to operate the valve stem 3 Check for gas leakage Check the flare connections for gas leakage 4 Purge the air from the system Set the 2 way valve to the open position and remove the cap from the 3 way 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 5 Use torque wrench to tighten the service port nut to a torque of 1 8kg cm 36 6 Set the 3 way valve to the back seat 7 Mount the valve stem nuts to the 2 way and 3 way valves 8 Check for gas leakage At this time especially check for gas leakage from the 2 way and 3 way valve s stem nuts and
17. circuit breaker between power source and the unit as shown below Main power source Air Conditioner CI 3 Connect the cable to the indoor unit outdoor unit connection Ensure that the color of the wires of outdoor unit and the terminal No are the same as those of indoor unit respectively Refer to Wiring diagram on page10 WARNING Be sure to refer to the wiring diagram label inside the grille and carry out the correct field wiring Connect the wires to the terminals on the control board individually according to the Circuit Breaker Use a circuit breaker or time delay fuse Wrong wiring can cause the unit to misoperate Connecting cable to result in a fire hazard Check local electrical codes and any specified wiring instructions or limitations 27 5 Air Purging 1 Air purging Air and moisture remaining in the refrigerant system have undesirable effects as indicated below Pressure in the system rises Operating current rises Cooling or heating efficiency drops Moisture in the refrigerant circuit may freeze and block capillary tubing Water may lead to corrosion of parts in the refrigera tion system Therefore the indoor unit and tubing between the indoor and outdoor unit must be leak tested and evacu ated to remove any noncondensables and moisture from the system 2 Air purging with vacuum pump 1 Preparation
18. the actual pressure is higher than shown the system is most likely over charged and charge should be removed If the actual pressure are lower than shown the system is most likely undercharged and charge should be added The air conditioner is now ready for use PUMP DOWN This is performed when the unit is to be relocated or the refrigerant circuit is serviced Pump Down means collecting all refrigerant in the outdoor unit without loss in refrigerant gas CAUTION Be sure to perform Pump Down procedure with the unit cooling mode Pump Down Procedure 1 Connect a low pressure gauge manifold hose to the charge port on the gas side service valve 2 Open the gas side service valve halfway and purge the air from the manifold hose using the refrigerant gas Close the liquid side service valve all the way in Turn on the unit s operating switch and start the cooling operation When the low pressure gauge reading becomes 1 to 0 5kg cm2 G 14 2 to 7 1 P S I G fully close the gas side valve stem and then quickly turn off the unit At that time Pump Down has been completed and all refrigerant gas will have been collected in the outdoor unit Operation Name and Function Remote Control The remote control transmits the signals to the system Signal transmitter uif bs A N f NF 600F SED CB DALY 8 88
19. torque of 1 8 kg m Be sure to check for gas leakage ACAUTION Do not leak the gas in the air during Air Purging 2 Balance refrigerant of the 2 way 3 way valves Gas leakage Indoor unit Outdoor unit Procedure 3 Open the valve Lo side on the charge set and discharge the refrigerant until the gauge 1 Confirm that both the 2 way and 3 way valves indicates 0 kg cm G are set to the back seat If there is no air in the refrigerant cycle the pressure when the air conditioner is not 2 Connect the charge set to the 3 way valve s running is higher than 1 ko cm G discharge port the refrigerant until the gauge indicates 0 5 to 1 Leave the valve on the charge set closed kg cmeG if this is the case it will not be Connect the charge hose with the push pin to necessary to apply a evacuatin the service port Discharge the refrigerant gradually if it is discharged too suddenly the refrigeration oil will also be discharged 39 3 Evacuation All amount of refrigerant leaked Outdoor unit zi Procedure 4 Disconnect the charge hose from the vacuum pump Vacuum pump oil If the vacuum pump oil becomes dirty or depleted replenish as needed 1 Connect the vacuum pump to the charge set s center hose 2 Evacuation for approximately one hour Confirm that the gauge needle has moved toward 76 cmHg vacuum of 4
20. 031 CONDENSER ASSY BENT 5403A20022B 1 R 554160 COMPRESSOR SET 2520UMLK1BA 1 R 559010 FAN ASSY PROPELLER 1A00195B 1 R 567502 O L P 6750U L025A 1 R 649950 CONTROL BOX ASSY OUTDOOR 4781AR1528U 1 R 668711 PWB PCB ASSY MAIN OUTDOOR 6871A10036P 1 R WOCZZ CAPACITOR DRAWING 6120AR2194B 1 R NOTE Please ensure GCSC since these parts may be changed depending upon the buyer s request GCSC WEBSITE http biz LGservice com 60 LG Electronics Inc August 2003 P No 3828A20135Q Printed in Korea
21. 2 FAN TURBO 5900A00005A R 668713 PWB PCB ASSEMBLY SUB 6871A20363C R NOTE Please ensure GCSC since these parts may be changed depending upon the buyer s request GCSC WEBSITE http biz LGservice com 58 2 Outdoor unit 18K 54032 59 Parts List outdoor LOCATION DESCRIPTION QTY REMARKS No LSC183VMA 261704 TRANSFORMER POWER 6171AQ3198A 1 430411 BASE ASSY WELD OUTDOOR 3041A30003F 1 R 435511 COVER ASSY CONTROL OUTDOOR 3551AR7184T 1 435512 COVER ASSY TOP OUTDOOR 3H03266J 1 R 437210 PANEL ASSY FRONT OUTDOOR 3721A20005H 1 R 437212 PANEL ASSY REAR 3720AP0003D 1 R 546810 MOTOR ASSY OUTDOOR 4681A20013M 1 550140 ISOLATOR COMP 4H00982E 3 R 552111 TUBE ASSY CAPILLARY 5425AR3847L 1 R 552203 2 VALVE SERVICE 2A00392N 1 R 552203 3 VALVE SERVICE 2H02479F 1 R 554
22. 7J INPUT 10 Operation Details 1 MAIN UNIT FUNCTION DISPLAY 1 C O Model Operation Indicator ON while in appliance operation OFF while in appliance pause Flashing while in disconnection or short in Thermistor 3 sec off 0 5 sec on Sleep Timer Indicator ON while in sleep timer mode OFF when sleep timer cancel or appliance operation pause Timer Indicator ON while in timer mode on off OFF when timer mode is completed or canceled Comp Running Incidator While in appliance operation ON while in outdoor unit compressor running OFF while in compressor off 2 H P Model Operation Indicator ON while in appliance operation OFF while in appliance pause Flashing while in disconnection or short in Thermistor 3 sec off 0 5 sec on Sleep Timer Indicator ON while in sleep timer mode OFF when sleep timer cancel or appliance operation pause Timer Indicator ON while in timer mode on off OFF when timer mode is completed or canceled Defrost Indicator OFF except when hot start during heating mode operation or while in defrost control Cooling Mode Operation When the intake air temperature reaches 0 5 C below the setting temp the compressor and the outdoor fan stop When it reaches 0 5 above the setting temp they start to operate again Compressor ON Temp 2 Setting 0 5 Compr
23. DC DC and one do not operate Indoor and Outdoor Unit Blue Black 8 Brown Red Connecting error De The only signal of remote controller operation stop is inputted but the product does not operate The RED indicator of outdoor unit blinks 5 times after 2 minutes with applying the power Connecting error gt The beep sound such as beep beep beep beep occurs periodically in Indoor unit The signal input of a remote controller and operation of product is impossible The RED indicator blinks 5 times after 2 minutes with applying the power Connecting error The signal of remote controller is inputted but the product does not operate The RED indicator of outdoor unit and the operation indicator of indoor one blinks 5 times after 2 minutes with applying the power Connecting error 9 o No power for Indoor unit The signal input of the remote controller and operation of product is impossible The thermal protector of the Power Trans operates when let it alone for long time Connecting error The signal of the remote controller is inputted The fuse and Q61 in the Outdoor unit are damaged when the indoor fan is operated Connecting error amp o No power for Indoor unit The signal input of the remote controller and operation of product is impossible The RED indicator of the Out
24. N D3 CN D2 PWB 6870A90126A 8 818 8 8 8 8 818 lt 8 gt dr 8 8 8 8888 8 8 CO1V CN CON WH CN 12V WH eise feli CN SW BL ewe LED2 LED1 SLEEP ON OFF ASM 6871A20250 Schematic Diagram 1 Indoor Uni SUB PCB ASM STEPPING MOTOR aled s 4 s 2 s 4 s 2 1 CN UD BL 1 STEPPING MOTOR KIDG5004AF STEPPING MOTOR CN LRI WH CN D1 WH p KIDGS004AF RO2E20 BZOIE 12V STEP MOTOR LIRI STEPPING MOTOR icom KID65004AF 4 63 62 6160 59 5 7 55 54 53152 51 PKMI3EPP 4002 220 8026 220 OIMCRNEOO2M uPD780023AGC STEPPING MOTOR 220 Bo5G 220 220 R07G 220 CN LR2 WH STEP MOTOR L R2 1M OSCOIB CST 8 00MTW CN D2 WH 5V ed Vo u Aven CN HVBBU veel RECEIVER DISPLAY 17 18 1920 21 22232425 2627 28 29 30 51152 5v did HVB ASSY RO2A 20k BV PINT 1K 36V cose RZIH R26H 507 121K1 303 1C01A KIA7036P KSC7536 CN TH1 WH 4 ROOM TH CN CON WH Ro2H 124K 1 PINT ive PIN2 12V
25. N DESCRIPTION LSC183VMA 131410 CHASSIS ASSEMBLY 3141A20008C R 135303 1 GRILLE INLET 3530A10116D R 135303 2 GRILLE INLET 3530A10117D R 135311 1 GRILLE ASSEMBLY DISCHARGE INDOOR 3531A20124E R 135311 2 GRILLE ASSEMBLY DISCHARGE INDOOR 3531A20124F R 135311 3 GRILLE ASSEMBLY DISCHARGE INDOOR 3531A20125D R 135316 GRILLE ASSEMBLY FRONT INDOOR 3531A10153S R 135500 1 COVER 3550A20060A R 135500 2 COVER 3550A20120A R 135500 3 COVER 3550A20121A R 146811 1 MOTOR ASSEMBLY STEP 4681A20055A R 146811 2 MOTOR ASSEMBLY STEP 4681A20055C R 147581 LOUVER HORIZONTAL 4758A20033A R 147582 LOUVER VERTICAL 4758A20034A R 152302 FILTER MECH A C 5230A10006B R 249951 CONTROL BOX ASSEMBLY INDOOR 4995A20291W R 263230 THERMISTOR ASSEMBLY 6323A20004N R 267110 REMOTE CONTROLLER ASSEMBLY 6711A20073L R 268712 PWB PCB ASSEMBLY DISPLAY 6871A20250B R 268714 2 PWB PCB ASSEMBLY MAIN 6871A20387C R 330870 DRAIN PAN ASSEMBLY 3087A20013B R 346810 MOTOR ASSEMBLY INDOOR 4681A20047C R 346810 MOTOR ASSEMBLY INDOOR 4681A20047D R 349490 ORIFICE ASSEMBLY 4949A20002A R 352115 TUBE ASSEMBLY EVAPORATOR IN 5211A20302E R 352116 TUBE ASSEMBLY EVAPORATOR OUT 5211A20301F R 35211B TUBE ASSEMBLY TUBING 5211AR7066M R 352150 HOSE ASSY DRAIN 5251AR1222R R 352380 1 AIR GUIDE 5238A10009A R 352380 2 AIR GUIDE 5238A10010A R 354210 EVAPORATOR ASSEMBLY FIRST 5421 20104 359012 1 FAN TURBO 5900A00004A R 359012
26. ST OPTIONAL FUNCTION NO MODEL P No OR1H OR2H OR3H OR4H OR5H OR6H 1 18K Cooling Model 6871A20387C 15K 15K OPEN OPEN OPEN OPEN OJ2H SHORT 2523 2 MAIN PWB ASSY Outdoor Unit 8 2 S ES lt 1 8 CN POWER CN TRANS ES CN DC DC 1 OO o 2 2 o 20 R91 58764900508 PUB 687 PUB ASS Y 6871A10036 COIARDIA 05 018 028 C02A RO2A 164 PWB ASSY SVC PART LIST OPTIONAL FUNCTION NO MODEL P No Fe a mm OR5H OR6H OR7H OR 8H FUSE HEATER RYAWAY RY FAN away CN TH 250 1 18K Cooling Model 6871A10036P 27K 39K 91K 27K 12K 3 15 X X X X X X 53 3 DISPLAY PWB ASSEMBLY TOP VIEW B 7 B tp RECEIVER LED2 LED4 SLEE TIMER DEFROST PWB ASM 6871A20250 P No 6870A90061E Vo G Vcc CN MAIN BOTTOM VIEW Te MR RECEIVER LED LEEFRO Oeste DEFR TIMER CO4L PWB 6870 90061 4 SUB P W B ASSEMBLY 19151879918 PWB ASM 6871A20363 ejelejeiele ejelele e s ele s C
27. d after the on off time is input by the remote control the on off timer operation is carried out according to the set time Sleep Timer Operation When the sleep time is reached after 1 2 3 4 5 6 7 0 cancel hr is input by the remote control while in appli ance operation the operation of the appliance stops While the appliance is on pause the sleep timer mode cannot be input While in cooling mode operation 30 min later since the start of the sleep timer the setting temperature increases by 1 C After another 30 min elapse it increases by 1 C again When the sleep timer mode is input while in cooling cycle mode the airflow speed of the indoor fan is set to the low When the sleep timer mode is input while in heating cycle mode the airflow speed of the indoor fan is set to the medium Chaos Swing Mode By the Chaos Swing key input the louvers vane automatically operate with the Chaos Swing or they are fixed to the desired direction While in Chaos Swing mode the angles of cooling and heating cycle operations are different lt Cooling Mode gt lt Heating Mode gt CLOSED Jet Cool Mode Operation C O Model If Jet Cool key is input at any operation mode while in appliance operation the Jet Cool mode operates In the Jet Cool mode the indoor fan is operated at super high speed for 30 min at cooling mode operation In the Jet Cool mode operation the room temperature is contr
28. door unit blinks 5 times after 2 minutes with applying the power 50 9 Voltage of Connectors according to Indoor Fan Speed 9 HOOQNI HOOQNI paw 01 81 suid ON SHOLT3JNNOO STAGOW diNOO Ad ell SNVH L ND 9Q 90 N9 d3MOd SNVHL 1ndu reurwue unoeuuog unoeuuog JOOPINO Joopu Jooping pue Salm Dunoeuuo ASSY HOOQNI 253 5 Electronic Control Device 1 MAIN PWB ASSY Indoor Unit TOP VIEW 8888 o 3122288 CN DC DC BL gt 8 8 8 8 CN MOTOR1CHH 8888 CN MOTOR2 WH gt 8888 12020 G5 050 G 9 orc gr POLY S W2 Ee BUZZER o OSCO1B PUB ASM CN D2 WH gt 6870A20017A 6871A20387 HUBCBL E 8888 8181 18181818 388 88 ie m ie boi MER mo 568 8 i CO Emi C818 C PWB ASSY SVC PART LI
29. e burrs in order to avoid drop ping burrs into the tubing Improper flaring Ted m Nf 2 lt gt Inelined Surface Cracked paver Even length damaged thickness all round Point down 3 Putting nut on 2 Connection of piping Indoor Remove flare nuts attached to indoor and outdoor unit then put them on pipe tube having completed burr removal not possible to put them on after flaring work Flare nut Preparing the indoor unit s piping and drain hose for installation through the wall 1 Route the indoor tubing and the drain hose in the direction of rear left or right Copper tube 4 Flaring work Firmly hold copper pipe in a die in the dimension shown in the table above Outside diameter A mm inch mm 26 35 1 4 0 0 5 29 52 3 8 0 0 5 012 7 1 2 0 0 5 215 88 5 8 0 1 0 21 2 Tape the tubing drain hose and the connecting cable Be sure that the drain hose is located at the lowest side of the bundle Locating at the upper side can cause drain pan to overflow inside the unit Gas side piping Connecting OX cable 7 Liquid side piping OO Drain hose LL NOTE If the drain hose is routed inside the room insulate the hose with an insulation material so that dripping from sweating condensation will not damage furniture or floors Foamed polyethylene or equivalent is recommended 3 Indoor unit installation Ho
30. e intake air temp is 0 5 C or more below the setting temp the compressor is turned off When 0 5 C or more above the setting temp the compressor is turned on Compressor ON Temp 2 Setting Temp 0 5 Compressor OFF Temp 2 Setting 0 5 At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 26 lt Intake Air Temp 225 24 C lt Intake Air lt 26 2 Intake Air Temp 1 22 lt Intake Air lt 24 2 Intake Air Temp 0 5 C 18 lt Intake Air lt 22 gt Intake Air Temp Intake Air lt 18 218 When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule While in Fuzzy operation the airflow speed of the indoor fan repeats the low airflow speed or pause as in dehumidification operation 3 Fuzzy Operation for Heating According to the setting temperature selected by Fuzzy rule when the intake air temp is 3 or more above the setting temp the compressor is turned off When below the setting temp the compressor is turned on Compressor ON Temp 2 Setting Temp Compressor OFF Temp 2 Setting Temp 3 At the beginning of Fuzzy mode operation the setting temperature is automatically s
31. ed prior to resetting time or after replacing batteries 2nd F Button Used prior to using modes printed in blue at the bottom of buttons 32 Disassembly of the parts Indoor unit Warning Disconnect the unit from power supply before making any checks Be sure the power switch is set to OFF 1 To remove the Grille from the Chassis Push mark v on the grille bottom then pull it down and remove 3 securing screws Lift the both lower parts of panel front After pull down this panel a bit separate connecting wire with product CN DO DC CN UD CN TH1 2 To remove the Control Box Before removing the control box be sure to disconnect the wires from PWB Pull the cover control out from the control box and disconnect other wires Remove securing screws Pull the control box out from the chassis carefully CN MOTOR 2 RIGHT CN MOTOR 1 LEFT 33 3 To remove the Evaporator Remove 1 screws securing the evaporator Pull the evaporator out from the chassis carefully 7 q q 4 Before removing the Turbo Fan Remove the securing screws from the chassis Pull the pipe cover top cover and the air guide 5 To remove the Motor Remove the securing bolt from the motor shaft Pull the fan out from the motor shaft Remove 4 screws securing motor mount from the chassis and lift up the motor mount and the bracket
32. elected according to the intake air temp at that time 20 CxIntake Air Temp 2 Intake Air Temp 0 5 C Intake Air Temp 20 C D 20 C e When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule e While in Fuzzy operation the airflow speed of the indoor fan is set to the high or the medium according to the intake air temperature and the setting temperature Airflow Speed Selection The airflow speed of the indoor fan is set to high medium low or chaos auto by the input of the airflow speed selection key on the remote control On Timer Operation When the set time is reached after the time is input by the remote control the appliance starts to operate The timer LED is on when the on timer is input It is off when the time set by the timer is reached If the appliance is operating at the time set by the timer the operation continues 14 Off Timer Operation When the set time is reached after the time is input by the remote control the appliance stops operating The timer LED is on when the off timer is input It is off when the time set by the timer is reached If the appliance is on pause at the time set by the timer the pause continues Off Timer lt gt On Timer Operation When the set time is reache
33. em operation Sleep Mode Lights up during Sleep Mode Auto operation Timer Lights up during Timer operation Defrost Mode Lights up during Defrost Mode Hot Start operation Heat pump model only Outdoor unit operation Lights up during outdoor unit operation Cooling model only Operation indication lamps Soft Dry Operation Mode Intermittent operation of fan at low speed Sleep Mode Auto Control The fan is switched to low Cooling med Heating speed The unit will be stopped after 1 2 3 4 5 6 7 hours Defrost Deice control Heating Natural Air Control by CHAOS Logic Both the indoor and outdoor fan stops dur The fan is switched to intermittent or irregular operation ing defrosting The fan speed is automatically switched from high to low speed Hot start Control Heating Airflow Direction Control The indoor fan stops until the The louver can be set at the desired position or swing evaporator pipe temperature will be reached up and down automatically at 28 C 4 Remote Control Operation ON OFF D 2 Operation Mode Selection A OX Cooling Operation Mode sk Auto Operation Mode A model only meaty Healthy Dehumidification Operation Mode Heating Operation Mode xt Fan Speed Selection p L M High gt P II Men oe vagy Room Temperature Checking i Low 11 C lt High 39 C Temperature Setting LOW
34. emperature difference is smaller When the room air humidity is relatively lower temperature difference is larger 2 Check temperature and pressure of refrigeration cycle Suction pressure Compared with the normal value Temperature Compared with the normal value Cause of Trouble Description Defective compressor Clogging mon Defective 4 way reversing valve Higher Excessive amount of refrigerant High prossure 4098 ne rise at the beginning of operation Insufficient amount of Current is low Lower Higher refrigerant Leakage Current is low Notice 1 The suction pressure is usually 4 5 5 0 kg cm G at normal condition 2 The temperature can be measured by attaching the thermometer to the low pressure tubing and wrap it with putty 42 2 Product does not operate at all Refer to Electronic Control Device drawing and Schematic diagram Turn off Main Power IL After 10 seconds Turn on Main Power Ue Does beeping sound is made from the Indoor Unit EL Check the voltage of power About AC 208V AC230V 60Hz Primarily the operating condition of Micom is OK Main power s voltage Voltage applied to the unit Connecting method of Indoor Outdoor connecting cable Check PWB Ass y Outdoor unit Fuse Pattern damage Varistor ZNRI lE Check each load Indoor Outdoor Fan Motor Compre
35. erate CN D1 D2 Open It does not operate with a remote controller The operation indicator blinks once On for 0 5 second Open Off for 3 seconds The compressor and the outdoor fan stop The indoor fan speed is low CN TH The operation indicator blinks once Short between terminals on for 0 5 second off for 3 seconds and 4 of ROOM TH The compressor operates continuously regardless of the setting temperature and the variation of room temperature Short between terminals The operation indicator blinks once XD and of PIPE TH on for 0 5 second off for 3 seconds Continuous operation 49 OUTDOOR UNIT Connector Type Condition Phenomena All functions stop The operation with the remote controller forced and OPEN test one do not operate CN POWER Connecting reversely PWB pattern is damaged when applying the power All functions stop or the compressor does not operate OPEN The operation with the remote controller forced and test RY COMP one do not operate terminal All functions stop Connecting reversely The operation with the remote controller forced and test one do not operate All functions stop CN TRANS OPEN The operation with the remote controller forced and test one do not operate CN FAN OPEN The Indoor Fan does not operate The connecting All functions stop wire of CN OPEN The operation with the remote controller forced and test
36. essor OFF Temp 2 Setting 0 5 While in compressor running operating with the airflow speed set by the remote control While in compressor not running operating with the low airflow speed regardless of the setting Healthy Dehumidification Mode When the dehumidification operation input by the remote control is received the intake air temperature is detected and the setting temp is automatically set according to the intake air temperature 26 C lt Intake Air Temp 2 25 C 24 C lt Intake Intake Air Temp 26 C 2 Intake Air 1 18 lt Intake Intake Air lt 24 2 Intake Air Temp 0 5 C Intake Air Temp lt 18 C 2 18 C 11 While in compressor off the indoor fan repeats low airflow speed and pause While the intake air temp is between compressor on temp and compressor off temp 10 min dehumidifica tion operation and 4 min compressor off repeat Compressor ON Temp 2 Setting 0 5 Compressor OFF Temp 2 Setting Temp 0 5 C In 10 min dehumidification operation the indoor fan operates with the low airflow speed Heating Mode Operation When the intake air temp reaches 3 above the setting temp the compressor is turned off When below the setting temp the compressor is turned on Compressor ON Temp 2 Setting Temp Compressor OFF Temp 2 Setting 3 While in compressor on the indoor fan is off when the indoor pipe temp is below 20 C when above 28 C
37. from the service port nut Caution If gas leakage are discovered in step 3 above take the following mesures If the gas leaks stop when the piping connections are tightened further continue working from step 4 If the gas leaks do not stop when the connections are retightened 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 oylinder 2 Pumping down EN Outdoor unit Purge the rue Procedure 1 Confirm that both the 2 way and 3 way 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 2 Operate the unit for 10 to 15 minutes 3 Stop operation and wait for 3 minutes then connect the charge set to the service port of the 3 way valve Connect the charge hose with the push pin to the service port 4 Air purging of the charge hose Open the low pressure valve on the charge set slightly to air purge from the charge hose 5 Set the 2 way valve to the closed position 37 6 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 1kg cm g 7 Immediately set the 3 way valve to the closed position Do this quickly so that the gauge ends up indicating to 5k
38. g cm g 8 Disconnect the charge set and mount the 2 way and 3 way valve s stem nuts and the service port nut Use torque wrench to tighten the service port nut to a torque of 1 8 kg m Be sure to check for gas leakage 1 Re air purging Re installation AN tn Gas cylinder m Gas side Outdoor unit Procedure 1 Confirm that both the 2 way valve and the 3 way valve are set to the closed position 2 Connect the charge set and a gas cylinder to the service port of the 3 way valve Leave the valve on the gas cylinder closed 3 Air purging Open the valves on the gas cylinder and the charge set Purge the air by loosening the flare nut on the 2 way 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 the 2 way valve 4 Check for gas leakage Check the flare connections for gas leakage 5 Discharge the refrigerant Close the valve on the gas cylinder and discharge the refrigerant until the gauge indicates 3 to 5 kg cm g 38 6 Disconnect the charge set and the gas cylinder and set the 2 way and 3 way valves to the open position Be sure to use a hexagonal wrench to operate the valve stems 7 Mount the valve stem nuts and the service port nut Use torque wrench to tighten the service port nut to a
39. higher after 3 min pause of the compressor the compressor and the outdoor fan is turned on according to the condition of the room temperature Buzzer Sounding Operation When the appliance operation key is input by the remote control the short beep beep sounds When the appliance pause key is input by the remote control the long beep sounds When key is input by the remote control while the slide switch on the main unit of the appliance is on the forced operation position the error sound beep beep beep beep beep is made 10 times to indicate that the remote control signal cannot be received 16 Display Function 1 Heating Model 2 Cooling Model r Operation Indicator Operation Indicator D Cooling Soft Dry Fan Heating Cooling Soft Dry Fan Sleep Timer Indicator 9 Sleep Timer Indicator Ww Sleep Mode Sleep Mode Timer Indicator __ Timer Indicator Timer Mode Timer Mode Defrost Indicator p Compressor on Indicator Hot start Defrost Self diagnosis Function Error Error Display LED Code Indoor body operation LED Error contents SVC check point Indoor room temperature 1 once thermistor open short Indoor Thermistor Indoor pipe temperature assembly check PT Sn thermistor open short
40. ide absolutely do not attempt to charge with larger amounts of liquid refrigerant while operating the air conditioner 4 Immediately disconnect the charge hose from the 3 way valve 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 5 Mount the valve stem nuts and the service port nut Use torque wrench to tighten the service port nut to a torque of 1 8 kg m Be sure to check for gas leakage Cycle Troubleshooting Guide 1 Trouble analysis 1 Check temperature difference between intake and discharge air and operating current Temp Difference Operating Current Notice Temp difference Current approx 0 F less than 80 of rated current Temp difference Current approx 8 C 14 F less than 80 of rated current Temp difference Current less than 8 C 14 F less than 80 of rated current Temp difference over 8 C 14 F All amount of refrigerant leaked out Check refrigeration cycle Refrigerant leakage Clog of refrigeration cycle Defective compressor Excessive amount of refrigerant Normal Temperature difference between intake and discharge air depends on room air humidity When the room air humidity is relatively higher t
41. ing condition and disconnection of connecting wires between Indoor and Outdoor unit Check the motor of Indoor Fan x Indoor Fan may be stopped in the Soft Dry Mode change to the Cooling Operation Mode x Indoor Fan is to be stopped when Indoor pipe coil termperature is lower than 79 F At that times Defrost indicator is turned on 46 6 When Vertical Louver does not operate Confirm that the Vertical Louver is normally geared with the shaft of Stepping Motor If the regular torque is detected when rotating the Vertical Louver with hands Normal Check the connecting condition of CN U D CN L R Connector Check the soldering condition on PWB of CN U D CN L R Connector gt Check the operating circuit of the Vertical Louver Confirm that there is DC 12V between pin RED of CN U D CN L R and GND Confirm that there is a soldering short at following terminals Between 62 6 69 and 69 of MICOM Between 67 68 65 and 64 of MICOM Between 67 69 48 of MICOM Between 1 2 and 5 0 CN U D CN L R If there are problems after above checks Confirm the assembly conditions that are catching and interfering parts in the rotation radial of the Vertical Louver 47 7 When comunication error occurs The operation indicator of Indoor unit blinks five times The red indicator of Outdo
42. irection 2 Insert new batteries making sure that the and of battery are installed correctly 3 Reattach the cover by pushing it back into position NOTE Use 2 AAA 1 5volt batteries Do not use recharge able batteries Remove the batteries from the remote control if the system is not going to be used for a long time 2 Settlement of outdoor unit e Anchor the outdoor unit with a bolt and nut g 10mm tightly and horizontally on a concrete or rigid mount When installing on the wall roof or rooftop anchor the mounting base securely with a nail or wire assuming the influence of wind and earthquake In the case when the vibration of the unit is conveyed to the hose secure the unit with an anti vibration bushing Bolt Tubing connection 3 Evaluation of the performance Operate unit for 15 20 minutes then check the system refrigerant charge 1 Measure the pressure of the gas side service valve 2 Measure the temperature of the intake and discharge of air 3 Ensure the difference between the intake tempera ture and the discharge is more than 8 C 46 F Cool ing or Heating 31 Discharge air Discharge temperature 4 For reference the gas side pressure of optimum con dition is as below Cooling Outside ambient The pressure of the gas side Refrigerant TEMP service valve R 22 35 C 95 4 5kg cm G 56 8 71 0 P S 1 G NOTE If
43. minals on the terminal block 5 Ground the unit in accordance with local codes 6 Be sure to size each wire allowing several inches longer than the required length for wiring 7 Use lock nuts to secure the conduit tubes Connector trade size for this unit is 1 2 Refer to How to connect wiring to the terminals for instructions on connecting depending on the wire type you are using WARNING Be sure to comply with local codes while running the wire from the indoor unit to the outdoor unit size of wire and wiring method etc Every wire must be connected firmly No wire should be allowed to touch refrigerant tubing the compressor or any moving parts Power Supply AWG MIN Fuse or breaker 0 0 18K 10 208 230 14 18 20 24 Wiring Diagram Connecting cable Low voltage Indoor Unit Outdoor Unit circuit gt Ground L1 is neutral for 115V models 1 shows field wiring 2 Separately wire the high and low voltage line 3 Use heat proof electrical wiring capable of withstanding temperatures up to 167 F 4 Use outdoor and waterproof connection cable rated more than 300V for the connection between indoor and outdoor unit For example Type SJO WA Outdoor unit Terminal block Conduit panel Connecting cable Power supply cord Cover control 2 Connectio
44. mmHg or less 3 Close the valve Lo side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approxima tely 5 minutes after turning off the vacuum pump 40 4 Gas Charging After Evacuation Check valve Charging cylinder 1 Gas side Outdoor unit Procedure 1 Connect the charge hose to the charging cylinder Connect the charge hose which you dis connected from the vacuum pump to the valve at the bottom of the cylinder f you are using a gas cylinder also use a scale and revers the cylinder so that the system can be charged with liquid 2 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 3 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 approximately 1 minute and then repeat the procedure pumping down pin 41 This is different from previous procedures Because you are charging with liquid refrigerant from the gas s
45. mode Cooling Cooling Healthy Dehumidification Heating Indoor FAN Speed High High High High Setting Temperature 22 C 22 C 23 C 24 C While in forced operation the key input by the remote control has no effect and the buzzer sounds 10 times to indicate the forced operation Test operation During the TEST OPERATION the unit operates in cooling mode at high speed fan regardless of room tem perature and resets in 18 1 minutes During test operation if remote controller signal is received the unit operates as remote controller sets If you want to use this operation open the front panel upward and Press the power button let it be pressed for about 3 seconds f you want to stop the operation re press the button Auto restart n 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 Remote Control Operation Mode When the remote control is selected by the slide switch on the main unit the appliance operates according to the input by the remote control Protection of the evaporator pipe from frosting If the indoor pipe temp is below 0 in 7 min after the compressor operates without any pause while in cool ing cycle operation mode the compressor and the outdoor fan are turned off in order to protect the indoor evaporator pipe from frosting When the indoor pipe temp is 7 or
46. n for Heating If any of the operation modes among cooling dehumidification heating mode operations is carried out for 10 sec or longer before Fuzzy operation the mode before Fuzzy operation is operated 1 Fuzzy Operation for Cooling According to the setting temperature selected by Fuzzy rule when the intake air temp is 0 5 or more below the setting temp the compressor is turned off When 0 5 C or more above the setting temp the compressor is turned on Compressor ON Temp 2 Setting Temp 0 5 Compressor OFF Temp 2 Setting Temp 0 5 C At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 26 lt Intake Air Temp D 25 C 24 lt Intake Air lt 26 2 Intake Air Temp 1 22 C lt Intake Air lt 24 2 Intake Air Temp 0 5 18 C lt Intake Air Temp lt 22 C 2 Intake Air Temp Intake Air Temp lt 18 C 2 18 C When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule While in Fuzzy operation the airflow speed of the indoor fan is automatically selected according to the tem perature 13 2 Fuzzy Operation for Dehumidification According to the setting temperature selected by Fuzzy rule when th
47. n method of the connecting cable Example 1 Dismount two caps on the conduit panel 2 Make a hole appropriate for the passage of connection cable through on cap by tool for low voltage line 3 Pass the connecting cable through the hole 4 Properly connect the cable on the terminal block 5 Fix the connection cable with clamp cord provided on the unit not to have strain at the terminal when the connection cable is pulled Clamp cord outside up to a 35 pound weight 6 Wind the vinyl tape round the connecting cable for sealing between the surface of the Cap Reuse Pet connection cable and cap Hole 7 Mount the taped part of cable on the cap forl li Cap 8 Finally mount the holed cap with the ean Remove wound cable on the conduit panel Taping for sealing Power supply line WARNING 10 115V 208 230V Loose wiring may cause the terminal to Low voltage line Conduit panel overheat or result in unit malfunction A fire connecting cable hazard may also exist Therefore be sure all wiring is tightly connected Strip 25mm 15 16 When connecting each power wire to the corresponding terminal follow instructions How to T connect wiring to the terminals and fasten the wire Solid wire tightly with the fixing screw of the terminal plate Loop How to connect wiring to the terminals E For solid core wiring or F cable 1 Cut the wire end with
48. ok the indoor unit onto the upper portion of the installation plate Engage the two hooks of the rear top of the indoor unit with the upper edge of the instal lation plate Ensure that the hooks are properly seat ed on the installation plate by moving it left and right Connecting cable Drain hose 4 Connecting the pipings to the indoor unit and drain hose to drain pipe Align the center of the pipes and sufficiently tighten the flare nut by hand Flare nut Pipes Indoor unit tubing Tighten the flare nut with a wrench to Wrench Indoor unit tubing Outside diameter Torque mm inch kg m 26 35 1 4 1 8 29 52 3 8 4 2 012 7 1 2 5 5 215 88 5 8 6 6 219 05 3 4 6 6 When extending the drain hose at the indoor unit install the drain pipe Indoor unit drain hose Vinyl tape narrow Adhesive 5 Wrap the insulation material around the connecting portion Overlap the connection pipe insulation material and the indoor unit pipe insulation material Bind them together with vinyl tape so that there is no gap Plastic bands Insulation material 27 zem caa CC Ge Wrap the area which accommodates the rear piping housing section with vinyl tape ndoor Connection nd unit pipe pipe Vinyl tape wide Wrap with vinyl tape Connecting cable Vinyl tape narrow Bundle
49. olled to the setting temperature 18 When the sleep timer mode is input while in the Jet Cool mode operation the Jet Cool mode has the priority During the JET COOL function at any moment the A C starts to blow the cool air with side louvers closed at extremely high speed for 30 minutes setting the room temp automatically to 18 15 Jet Cool Mode Operation H P Model While in heating mode or Fuzzy operation the Jet Cool key cannot be input When it is input while in the other mode operation cooling dehumidification ventilation the Jet Cool mode is operated In the Jet Cool mode the indoor fan is operated at super high speed for 60 min at cooling mode operation In the Jet Cool mode operation the room temperature is controlled to the setting temperature 18 When the sleep timer mode is input while in the Jet Cool mode operation the Jet Cool mode has the priority During the JET HEAT function at any moment the A C starts to blow the hot air with side louvers closed at extremely high speed for 60 minutes setting the room temp automatically to 30 Forced Operation Operation procedures when the remote control can t be used The operation will be started if the power button is pressed f you want to stop operation re press the button Heat pump Model Cooling Model Room Temp gt 24 C 21 C lt Room Temp lt 24 Room Temp lt 21 C Operating
50. oment the defrost control time is determined 3 When the determined time of defrost control is below 7 min heating mode operation continues without carry ing out defrost control According to the procedure stated above the determination is made again When the defrost control time is 7 min or longer defrost control is then carried out While in defrost control the minimum temp of the indoor pipe is measured and it is compared with the present temp of the indoor pipe to get the difference of the indoor pipe temperatures the present temperature of the indoor pipe the minimum temperature of the indoor pipe When the difference is 5 or higher defrost con trol is completed and heating mode operation is carried out While in defrost control if the defrost time determined before the start of defrost control is completed defrost control stops and heating mode operation is carried out regardless of the above condition When the indoor pipe temp is 42 or above defrost control is not carried out even if the condition is one of the defrost conditions above While in defrost control the compressor is on and the indoor fan the outdoor fan and the 4 way valve are off 12 Fuzzy Operation C O Model According to the temperature set by Fuzzy rule when the intake air temp is 0 5 C or more below the setting temp the compressor is turned off When 0 5 or more above the setting temp the compressor is turned on Compres
51. or unit blinks five times d Check the connecting wires between Indoor and Outdoor unit for the connecting error and the contacting condition d Check the installation condition of outdoor unit d Check for the communication error and the operating condition of product after also operating with the remote controller then taking above 2 minutes Apply the power again after about 10 seconds by the power of Outdoor unit is off d Check for the communication error and the operating condition of product after also operating with the remote controller then taking above 2 minutes d Check the PWB assembly of Indoor and Outdoor unit Caution If the connecting wires of Indoor and Outdoor unit are not connected within 2 minutes after the power of Outdoor unit is applied a communication error will occur Therefore the power should be applied after connecting them 48 8 The phenomena in case of connecting error INDOOR UNIT Connector Type Condition Phenomena CN DC DC Open and connecting error The same as the phenomenon of Outdoor Unit o 9 39 Blue Black Brown Red The indoor fan does not operate POEMETO Open The operation indicator of Indoor unit blinks 8 times Open The up down vane does not operate CN UD Short between terminals The up down vane does not smoothly op
52. ownward slope Do not make drain piping Do not raise S Accumulated drain water Air Tip of drain hose dipped in water Less than i i 50mm gap Y Water Water Water leakage leakage Waving leakage 2 Form the piping 1 Form the piping by wrapping the connecting por tion of the indoor unit with insulation material and secure it with two kinds of vinyl tapes you want to connect an additional drain hose the end of the drain outlet should be routed above the ground Secure the drain hose appropriately 2 In cases where the outdoor unit is installed below the indoor unit perform the following Tape the piping drain hose and connecting cable from down to up Secure the tapped piping along the exterior wall using saddle or equivalent Seal small openings around pipings with D gum type sealer Trap is required to prevent water from entering into electrical parts 3 In cases where the Outdoor unit is installed above the Indoor unit perform the following Tape the piping and connecting cable from down to up Secure the taped piping along the exterior wall Form a trap to prevent water entering the room B Fix the piping onto the wall by saddle or equivalent Seal a small opening around the pipings with gum type sealer Wy TY il Y ASSI SES ANS 26 3 CAUTION 4 If a power plug is not to be used provide a
53. pe Air conditioner 3 Cooling Heating 7 X C O E H 2 E H 4 5 Capacity Btu h 1 9 Cooling Heating Capacity Ex 09 gt 9 000Btu h 6 Electric Range 1 9 Electric Standard 1 gt 115V 60Hz 6 gt 220 240V 50Hz 2 gt 220V 60Hz 7 gt 110V 50 60Hz 3 208 230V 60Hz 8 gt 380 415V 50Hz 5 200 220V 50Hz 9 gt 380 415V 60Hz 7 Chassis A Z Name of tool of unit 8 Color A Z R Mirror B Blue N Walut W White M Metal C Cherry 9 Function A Z Basic A Basic 4Way B Plasma Filter C Plasma Filter 4Way D Tele LED 4Way E Tele LCD Plasma F 4Way F Tele Multi LCD Plasma F 4Way G Low A Plasma H Low A Plasma F 4Way J Plasma F 4Way Oxygen Generator K Plasma L A change Plasma F 4Way 10 Serial 0 9 Functions Operation ON OFF by Remote controller Sensing the Room Temperature Room temperature sensor THERMISTOR Room temperature control Maintains the room temperature in accordance with the Setting Temp Starting Current Control Indoor fan is delayed for 5 sec at the starting Time Delay Safety Control Restarting is inhibited for approx 3 minutes Indoor Fan Speed Control High Med Low CHAOS Operation indication Lamps LED Signal Receptor Receives the signals from the remote control Signal receiving sound two short beeps or one long beep Operation Indication Lamps On Off Lights up during the syst
54. side valve counter clockwise to fully open the valve Turn the valve stem of gas side valve counter clock wise to fully open the valve Loosen the charge hose connected to the gas side service port slightly to release the pressure then remove the hose Replace the flare nut and its bonnet on the gas side Service port and fasten the flare nut securely with an adjustable wrench This process is very important to prevent leakage from the system Replace the valve caps at both gas and liquid side Service valves and fasten them tight This completes air purging with a vacuum pump The air conditioner is now ready to test run 29 3 way valve Close 2 way valve Open E Indoor unit Gas side Liquid side Cap Hexagonal wrench Outdoor unit Vacuum pump 6 Panel Front Assembly 1 First Check the side cover assembly exactly Fix power cord in the bottom groove of cover side left 2 Assemble connecting lead wire with controller and first fix the upper part of panel front then match the lower part of panel front Panel Front Connector 3 Drive three screws 30 7 Test Running Prepare remote control 1 Check that all tubing and wiring have been properly connected 2 Check that the gas and liquid side service valves are fully open 1 Remove the battery cover by pulling it according to the arrow d
55. sor ON Temp 2 Setting Temp 0 5 C Compressor OFF Temp 2 Setting Temp 0 5 C At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 26 C lt Intake Air Temp 2 25 C 24 C lt Intake Air Temp lt 26 C D Intake Air Temp 1 C 22 C lt Intake Air Temp lt 24 C D Intake Air Temp 0 5 C 18 C lt Intake Air Temp lt 22 C 2 Intake Air Temp Intake Air lt 18 2 18 C When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are compared to select the setting temperature automatically according to the Fuzzy rule While in Fuzzy operation the airflow speed of the indoor fan is automatically selected according to the temperature Fuzzy Operation H P Model When any of operation mode is not selected like the moment of the power on or when 3 hrs has passed since the operation off the operation mode is selected When determining the operation mode the compressor the outdoor fan and the 4 way valve are off and only the indoor fan is operated for 15 seconds Then an operation mode is selected according to the intake air temp at that moment as follows 24 C lt Inatake Air Temp 2 Fuzzy Operation for Cooling 21 C lt Inatake Air Temp lt 24 C 2 Fuzzy Operation for Dehumidification Inatake Air Temp 21 2 Fuzzy Operatio
56. ssor Stepping Motor and contacting condition of related connector including connecting cable of Indoor Outdoor Unit E Check the connection housing for contacting Connector related to CN POWER Connector related to CN FAN Connector contacting of Outdoor Fan Compressor Display PWB Ass y Check Connector related to CN DC DC Board Operation Check Items Content Remedy Power Transformer Outdoor unit Input Voltage About 208 230 10 Check the power voltage Replace Trans Output Voltage About AC17 3V C2 7812 Output e DC 12V Replace IC2 Indoor Outdoor unit C3 7805 Output DC 5V Replace IC3 Indoor Outdoor unit e IC4 KIA7036 Reset IC Voltage of Outdoor unit Micom No 8 Replace faulty parts OSCO01B 4MHz Voltage of Indoor unit Micom No 43 and soldering Indoor Outdoor unit condition 43 3 The product is not operate with the remote controller Turn on Main Power S While the compressor has been stopped the compressor does not operate owing to the delaying function for 3 minutes after stopped When the compressor stopped Indoor Fan is driven by a low speed At this point the wind speed is not controlled by the remote controller When operated in the Sleeping Mode the wind speed is set to the low speed by force Cause by the remote controller Ca
57. the piping and drain hose together by wrap ping them with vinyl tape for enough to cover where they fit into the rear piping housing section Wrap with vinyl tape Drain hose Installation Information For right piping Good case For right piping Follow the instruction below W Press on the upper side of clamp and unfold the tubing to downward slowly x I Tt Bad case Following bending type from left to right could cause problem of pipe damage 3 Connection of the pipes Outdoor 1 Align the center of the pipings and sufficiently tighten the flare nut by hand 2 Finally tighten the flare nut with torque wrench until the wrench clicks When tightening the flare nut with torque wrench ensure the direction for tightening follows the arrow on the wrench Outside diameter Torque mm inch kg m 06 35 1 4 1 8 09 52 3 8 4 2 012 7 1 2 5 5 015 88 5 8 6 6 019 05 3 4 6 6 Outdoor unit Liquid side piping Smaller diameter Gas side piping Bigger Vi Torque wrench 3 Connecting The Cable Between Indoor Unit and Outdoor Unit 1 Connection of the cable 1 Remove the cover control from the unit by loosening the 3 screws 2 Dismount caps on the conduit panel 3 Temporarily mount the conduit tubes on the conduit panel 4 Properly connect both the power supply and low voltage lines to the corresponding ter
58. use caution concerning the location of the installation plate routing of the wiring to power outlets is through the walls typically Drilling the hole through the wall for piping connections must be done safely dL mc EUN ote es a Et ex So Fe a 60mm 60mm S 2 4 2 4 Es EM 70mm 70mm 2 8 2 8 20 2 Flaring Work and Connection of Piping 1 Flaring work Carry out flaring work using flaring tool as shown Main cause for refrigerant leakage is due to defect in below the flaring work Carry out correct flaring work using the lt following procedure 1 Cut the pipes and the cable Use the piping kit accessory or pipes purchased locally Measure the distance between the indoor and the outdoor unit Cutthe pipes a little longer than the measured distance Cut the cable 1 5m longer than the pipe length Clamp handle pipe Slanted Uneven Rough 5 Check Compare flared work with figure below If flare is noted to be defective cut off the flared sec tion and it Handle Smooth all round 2 Burr removal Inside is shiny without scratches P di Completely remove all burrs from the cut cross sec tion of pipe tube Put the end of the copper tube pipe in a downward direction as you remov
59. used by other parts except the remote controller d tate 2 Check the contact of CN D1 D2 connector When the detect switch double key inside the remote controller door is fault it is impossible to operate temperature regulating A w and wind speed selecting Voltage between CN D2 DC 5V d Ju Check the connecting circuit between the remote controller Check point No R17 2Q IR LED Q1 R16 2 2KQ e Check the connecting circuit between PIN R75 1K C71 1000PF MICOM PIN Check Receiver Ass y 44 lt 4 Compressor Outdoor Fan are unable to drive Turn on Main Power d Operate Cooling Mode by setting the desired temperature of the remote controller is less than one of the indoor temperature by 2 F at least d When in Fan Mode Compressor Outdoor Fan is stopped d Check the sensor for indoor temperature is attached as close as to be effected by the temperature of Heat Exchanger EVA d When the sensor circuit for indoor temperature and connector are in bad connection or are not engaged Compressor Outdoor Fan is stopped e Check the related circuit of RO2 12 1K R04 6 2K Micom No 27 Indoor unit Check the indoor temperature sensor is disconnected or not About 10kQ at 25 C d When the temperature around
60. wire cutter of wire cutting pliers then strip the insulation to expose the solid wire about 25mm 15 16 Insulation 2 Using a screwdriver remove the terminal screw s on the terminal plate Strand wire 3 Using pliers bend the solid wire to from a loop YT ve suitable for the terminal screw 4 Shape the loop wire properly place it on the terminal plater and tighten securely with the Strip 10mm 3 8 Round terminal terminal screw using a screwdriver E For strand wiring 1 Cut the wire end with a wire cutter or wire cutting pliers then strip the insulation to expose Sn the strand wiring about 10mm 3 8 x A j special washer 2 Using a screwdriver remove the terminal screw s the terminal plate Round terminal SUE M 3 Using a round terminal fastener or pliers Wire Terminal plate Round terminal securely clamp each stripped wire end with a round terminal 4 Position the round terminal wire and replace and tighten the terminal screw using a Wire screwdriver 25 4 checking the Drainage and forming the pipings 1 Checking the drainage 1 To check the drainage Pour a glass of water on the evaporator E Ensure the water flows through the drain hose of the indoor unit without any leakage and goes out the drain exit SX lt lt gt p f T 2 Drain piping B The drain hose should point downward for easy drain flow D
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