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Single Zone Light Commercial Units Service Manual

1. DISPLAY EN 1O CN1GA EY en BLACK MIDDLE PIPE TEMP 4 A Ti 4 i M WHIT ROOM TEMP BRI VERMIODLE B r 4L x E B DN OFF cui Li DO Gl i Motor LM CYUCLUUDRIUUUPU DE Xem FUNCTION SETTING INDICATION 202070590737 20 Ceiling amp Floor Type 3 Field Wiring KUIMO12 H2 KUIM018 H2 Air Condition Link Circulit INDOOR UNIT Use 4 cable 16AWG 2 1 I gt Ta Power supply to Use a care cable 14 KUIM024 H2 202070590697 INDOOR UNIT Use 3 core cable 16AWG To Power supply Lise 3 core cable 12AWG r1 3 core shielded cable 24 Air Condition Link Circuit 21 Features Console Type 22 2 Wiring Diagrams 23 b ELLE TL 24 22 Wiring Diagrams 1 Service Space F Fi E a A O 22 uuu 23 2 Wiring Diagrams KFIMO1 2 H2 UNES LL RATE THE STRONCEST RUE 24 OFF TO OUTDOOR UNIT RESTAR NO YES
2. MUR MET S RE ES a T a RE UR a a e pom Horizontal indicator trans parent pipe Adjust the position to ensure the gaps between the body and the four sides of ceiling are even The bay s lower part should sink into the ceiling for 10 12 mm In general L is half of the screw length of the installation hook Body 2 2 N e D O 36 Indoor unit installation 3 1 5 Install the panel Remove the grille rid ewitth ording direction of arrow when i5 necessary Tighten the screws under the panel hooks till theapel closely stick on the ceiling to avoid conden amp a water 1 E Panel sealing foam 7 if 5 E 1 pem 1 Lp i 1 E Des 5 Apa Paral foam Hang the air in grill to the panel then connect the lead terminator of the swing motor and that of the control box with corresponding terminators on the body respectively Note The panel shall be installed after the wiring connected 37 Indoor unit installation 3 2 Super slim cassette indoor unit installation 3 2 1 Service space for indoor unit 4 Connecting point of Connecting point of drain pipa refrigerant pipe Liquid side GC Cannacting point of eee Gas side 3 2 2 Bolt pitch Tubing side Drain s
3. 386E C EN S pie OUTDOOR IN BLUE CO MPRES SOR CD Hd 12 8 INDOOR UNIT 29 KSIMO18 H219 20203 7890705 ells oe lls 8 ais i OPTIONAL 17117 m COMPRESSOR i za Fl JA A JH E OUTDOOR WIRING DIAGRAM Wiring Diagrams HEAT EXCHANGER SENSOR BLACK gem SENSOR 52 eiPTEMP SENSOR OPT TONAL YELLOW 4 C BLUE BROWN CH 24 50 9 27 Tenn OPT IONAL YELLOW 7 YELLOW 2 3L RED 3 T CAPACITOR ELS 30 Wiring Diagrams KSIM024 H219 PROTECT DUTDODR AMBIENT 16 TEMPERATURE 581508 2 2 TEMPERATE SENSOR au IPM BOARD Pu Pu iil HETI ENT Y a TH 1 1 0 GF E 31 Installation Part 4 Installation 1 Installation Procedure 32 2 SCICCIIO IN eds 33 Indoor unit installation 34 4 Outdoor unit installation Side Disc
4. 4 vp THES LOCANELTTOA METIRI Wiring Diagrams WIRING DIAGRAM INDOOR UNIT W UPPER DUILET wore Wa PIPE TEMPERATURE TEMPERATURE anim 1 THE SELECTION AMO Mi 527 LEAVE THE FACTORY AGRE T FT ELET THE MATMTERARBCE PEE HOT PLEASE EI THE 11 IF YE 1 CET iT na TR De pied me c m cm Field Wiring 3 Field Wiring KFIM024 H2 Condition Link Circuit INDOOR UNIT Use 4 cable 1GAWG P ad C O Power supply i Use 3 care cable 14AWG 25 Outdoor Units Part 3 Outdoor Units I 26 2 27 3 Wiring Diagrams uus 28 26 Service Space 1 Service Space Wall or obstacle Air inlet More than 11 8 More than 60cm than 11 8 E N Maintain channel 3 2 Air inlet _More than 236 More than 79 Air outlet
5. 51 024 2 19 O Indoor Units Power Supply 1 115 V 1 ph 60 Hz 2 208 230V 1ph 60Hz Operational Information C Cooling only H Heat pump Nominal Capacity kBtu h Product Series M Unit Type Inverter Model D Ceiling recessed F Console T Ceiling cassette U Floor ceiling Brand K Klimaire Application C Commercial Usage O Outdoor Efficiency SEER Power Supply 1 115 V 1ph 60Hz 2 208 230V 1ph 60Hz Operational Information C Cooling only H Heat pump Nominal Capacity kBtu h Product Series Unit Type Inverter Model 9 System Brand K Klimaire Indoor Units Part 2 Indoor Units 4 way Cassette Type 1 7 Bleu 10 Ceiling amp Floor Type iicet adus aru 16 CONSOLE VDE 21 4 way Cassette Type 4 way Cassette Type Service 7 2 Wiring Diagrams 8 3 FIGI WINING 9 4 way Cassette Type 1 Service Space Inlet Qutlet H ceiling height 0 39 0 47 6 9 Ceiling Wiring Diagrams 2 Wiring Diagrams KTIMO12 H2 KTIMO18 H2 202042390124 r i E ip wx
6. show 32 the temp is higher than 158 degree digital heating T2B display tube will show 158 07 Condenser pipe temp If the temp is lower than 15 degree the digital display tube will T3 show 15 f the temp is higher than 158 degree digital Outdoor ambient temp T4 display tube will show 158 If the indoor unit isnot connected the digital display tube will show The display value is between 55 264 degree If the temp is lower than 55 degree the digital display tube willshow 55711 the temp is higher than 210 degree the digital display tube will Compressor discharge temp Tp show single digit and tens digit For example ditital display tube show 0 5 it means the compressor discharge temp is 221 degree the digital display tube show 1 6 it means the compressor discharge temp is 241 degree AD value of current The display value is hex number AD value of voltage Indoor unit running mode code Off 0 Fan only 1 Cooling 2 Heating 3 Outdoor unit running mode code Off 0 Fan only 1 Cooling 2 Heating 3 Forced cooling 4 Actual data 4 EXV open angle If the value is higher than 99 the digital display tube will show single digit and tens digit 78 10 11 12 13 4 1 Electrical Control Function For example digital display tube show 2 0 imeans the EXV open angle is 120 4 480 Frequency limit Bit7 caused by IGBT radiator BitG Frequen
7. iT MIR E L i o ET 1 Tec SELECT OU TERPERATURE GONPENSATE AND aATI GE AIP BEEN SET BEFORE LEAT ING THE FACTORY MTGE T BODIFT EXGEPT THE PEESON KTIMO24 H2 WIRING DIAGRAM woooR unr 202142590 191 m 341 Ma 1 vil 5 1 i 7 awo Ihe inh diagram 1s for explanation purpose onlv The actual shape of the components may be different AGRAM INDOOR UNIT mm are ron sors re e rm mr De n m m TER RATIRE PIPE TEWERETIBE oe mee 7 m ew _ 1 OUTDOOR UNIT jm wine CONTROLLER em ECARD man B Swi a bas my fei i e TO j GIS MOTE PLEASE USE SHIELDED WIRE Field Wiring 3 Field Wiring KTIMO12 H2 18 2 Air Condition Link Circulit INDOOR UNIT Use 4 cable 16AWG OUTDOOR UNIT Ta Pawer supply iJ a care cable 14 KTIMO24 H2 202070590697 INDOOR UNIT lE _ Lik s J Use 3 core cable 16AWG ER W i d ip e LA 3 core shielded cable 24AWG To Power supply Use 3 core cable 12AW6 r1
8. 27 2 Piping Diagrams Piping Diagrams KSIMO12 H219 KSIMO18 H219 INDOOR OUTDOOR 4 CHECK VALVE LIQUID SIDE Heating Model only 00000 _ SEX 2 WAY VALVE 13 Condenser 7 00600 4 temp sensor CAPILIARY TUBE HEAT EXCHANGE EVAPORATOR HEAT l 1 T4 Ambient EXCHANGE sensor temp sensor CONDENSER T2 Evaporator temp sensor GAS SIDE E Ny Y N WAY VALVE SRAT MASNE Accumulator T5 Discharge temp sensor COOLING 4 HEATING KSIMO24 H219 INDOOR OUTDOOR Electronic LIQUID SIDE CAPILIARY TUBE expansion valve 000007 __ 2 WAY VALVE T3 Condenser temp sensor HEAT EXCHANGE EVAPORATOR T1 Room temp T4 Ambient EXCHANGE sensor temp sensor CONDENSER T2 Evaporator P temp sensor 2 4 1 4 GAS SIDE 4 ie NY NY _ gt 4 WAY VALVE gt 3 WAY VALVE Accumulator Low pressure switch CE Compressor High pressure switch T5 Discharge temp sensor 4 __ COOLING HEATING 28 Wiring Diagrams 3 Wiring Diagrams KSIM012 H219 202037390733
9. s ase 75 894 24m _ 4 zs 3 sa 76 r8 e 23 _ 3 sx 7 7596 a mor 3 su rs 225 P 62 62 69 02 a N N 9 wsz a 46 sir ws 194 _ 9 wes 9 5 1 4s s 19 499 sess 4m 1 se ws 9s 4 9s 19 4 1 s s 15 9 rem we s sm _ ns we sez O O gt gt A No O1 O1 O1 OO gt Co 106 Troubleshooting Appendix 3 40 11 12 13 14 15 16 17 18 19 20 21 22 48 50 52 54 56 58 60 62 64 66 68 70 72 23 24 25 26 27 28 29 30 31 32 33 34 35 74 76 78 80 82 84 86 88 90 92 94 96 98 107 Controller 3 Controller 3 1Wireless Remote Controller 3 1 1RG51Q1 BGE D J 8 10 os AIR 1 9 DIRECTION fe A 6 General Function for wireless remote controller RG51Q1 BGE Rated voltage 3 0V 2pieces of LRO3 7 batteries Operation condition 23 1409F 5 60 C 108 Controller Buttons and functions 1 Adjust Decrease the s
10. Air Condition Link Circuit Duct Type LISAS A 1211 Duct Type 1 Service 11 2 Wiring Diagrams 12 9lalic a M REDE 14 A FISIO WINO 15 Service Space 3 Service Space Ensure enough space required for installation and maintenance 7 8 or more 11 8 or more PAALALA ITT Vw 23 6 x 23 6 checking orifice All the indoor units reserve the hole to joint the fresh air pipe The hole size as following Duct joint for new air duct 2 Wiring Diagrams KDIMO12 H2 KDIMO18 H2 WIRING DIAGRAMCINDOOR UNIT 202052280088 POWER SETTING _ TO WIFE i CONTROLLER NAHL 7t gt INDOOR UNIT MAINBOARD 11921 SSN TRCN TUA Alarm TO DUTDOOR UNIT Wiring Diagrams MIDDLE PIPE TO OUTDCOR eo a ONDER FOR POWER b sose aa lme om om mlm ee 13 Wiring Diagrams KDIM024 H2 20207030058 Cutar Diver Dc Maisi IN DOOR UNIT MAINBOARD pow MOTOR DRIVER MODLE 10 a
11. to adjust MINUTE After clock set or clock operati on it must press CONFIRM to complete the set 6 TIMER ON OFF display Display ON at the state of TIMER ON adjustment or after only set the TIMER ON Display OFF at the state of TIMER OFF adjustment or after only set the TIMER OFF Display ON OFF if simultaneously set the mode of TIMER ON and TIMER OFF 7 Temperature display area Usually display the set temperature Press the buttons of and to set temperature at the mode of FAN there is no figure display in the area 114 Controller Remark The wired controller will reset to factory setting with auto mode auto fan and 75 F setting temperature And this may cause inconsistent displays on the wired controller and on the air conditioner You need to readjust the running status through the wired controller Installation m Wiring Principle Sketch Wire Jini Intraed Pipe 5 T3 H E 35 T cC C EN HU T 7 Shield Cable lenglh i RUN GND decided by installation ce indoor Board Indoor Unit Installation Notice When the air conditioner needs the constant frequency wire Controller be sure adding a Wire Joint with 5 terminal named A B C D E in indoor unit and fixing a infrared emitter whose anode and cathode connecting with and B near the receiver in t
12. Flexible 11 8 in 6 2 8 Blowhole setting For the concentrated drainage pipe system there should design a blowhole at the highest point of main pipe to ensure the condensate water discharge smoothly The air outlet shall face down to prevent dirt entering pipe Each indoor unit of the system should be installed it The installation should be considering the convenience for future cleaning Blowhole Indoor unit Indoor unit N Plug rug Cas E E E J 22 6 2 9 The end of drainage pipe shall not contact with ground directly 59 Drainage pipe installation 6 3 Drainage test 6 3 1 Water leakage test After finishing the construction of drainage pipe system fill the pipe with water and keep it for 24 hours to check whether there is leakage at joint section 6 3 2 Water discharge test 1 2 2 2 3 Natural drainage mode the indoor unit with outdoor drainage pump Infuse above 600ml water through water test hole slowly into the water collector observe whether the water can discharge through the transparent hard pi pe at drainage outlet Pump drainage mode Disconnect the plug of water level switch remove the cover of water test hole and slowly infuse about 2000ml wa
13. NO Y Yes Replace indoor main PCB Is it still displaying the error code DC motor voltage input and output control chip is inside the motor DC motor voltage input and output NO Color Signal Voltage 1 Red VsVm 280V 380V 24 2 21 551 _ 6 Bue FG 141750 87 Troubleshooting Control chip is in main PCB UV Feedback 1 Feedback 1 5 ay Coir Bue Yeow w v uU 1 Release the UVW connector Measure the resistane of U V U W V W If the resistance is not equal to each other the fan motor must have problems and need to be replaced Otherwise go to step 2 2 Power on and when the unit is in standby measurethe voltage of pin4 5 in feedback signal connector If the value is not 5V change the PCB Otherwise go to step 3 3 Rotate the fan by hand measure the voltage of pin1 5 pin 2 5 and pin 3 5 in feedback signal connector If any voltage is not positive voltage fluctuation the fan motor must have problems and need to be replaced 2 4 1 6 Inverter compressor drive protection Only for compact cassette 12k amp console 12k Refer to the outdoor unit P6 malfunction part to solve this problem 88 Troubleshooting 2 4 2 For the super slim cassette with up down panel 2 4 2 1 Communication error between indoor unit and up down panel 2 4 2 2 Up down panel is defective Fo or F1 Displaye
14. Air volume m h 15 Field Wiring 4 Field Wiring KDIMO12 H2 KDIMO18 H2 Air Condition Link Circulit INDOOR UNIT Use 4 cable 16AWG OUTDOOR UNIT To Power supply i i Use 3 core cable 14 INDOOR UNIT Use 3 cable 16A To Fower supply Use 3 core cable 2 r1 Air Condition Link Circuit Field Wiring Ceiling amp Floor Type 1 Service is ceu prodr tex Siu qd 17 2 Wiring Pera eurn eo 18 SX i e ETE o 20 Service Space 1 Service Space 12 18 24K 48K gt Wiring Diagrams 2 Wiring Diagrams KUIMO12 H2 KUIMO18 H2 WIRING DIAGRAM CINDOOR UNIT 202082290087 POWER SETTING CHIS Gm o Gm m OE MAINBOARD 5 DE MOTOR INDOOR UNIT gs 4 C e 1 T 1 SWING i uw Lm TO WIRE COGNT ROLLER CHI CH5 n e Remote uTDOOR TO UNIT 4 POWER FOR FUMED SUFFIT 19 Wiring Diagrams KUIM024 H2 Outer Driver 202070380591 _ INDOOR UNIT MAINBOA ies ry DATER
15. Make the outdoor unit ventilate well NO y Judge 4 Check whether the heat exchanger is dirty Yes gt Clean the heat exchanger y Let the refrigerant out then use the high Yes pressure nitrogen or refrigerant to blow pipe vacuumize and charge the refrigerant again Judge 5 The refrigerant pipe is blocked Replace outdoor main board check whether Yes the system can run normally No Y Replace the electric control box Yes Trouble is solved 100 Troubleshooting 2 4 4 14 P4 malfunction When compressor discharge temperature is higher than 239 F the unit will stop and unit runs again when compressor discharge temperature is lower than 194 F P4 display Temperature protection of compressor discharge Check whether the Oed compressor discharge temp Yes Yes Stop leaking and add refrigerant is more than 239 F refrigerant is leak No Check whether the wiring connection is right between compressor discharge temp No sensor and PCB according to wiring diagrams y Correct the wiring connection Yes Y Judge The discharge temp sensor is broken Method Check whether the resistance of compressor discharge temp sensor is right refer to the Appendi
16. 2 2 In low ambient cooling mode the LED displays LC alternative displays between running frequency and LC each displays 0 55 83 Troubleshooting 2 4 Solving steps for typical malfunction 2 4 1 For the indoor unit 2 4 1 1 Open or short circuit of temperature sensor Check the connections between temperature sensor and PCB Are the connections good No 4 Correct the connections Yes y Check the resistance value of the sensor via Appendix 1 Yes gt Replace indoor or outdoor PCB NO Y Replace the sensor 84 Troubleshooting 2 4 1 2 Outdoor unit malfunction Outdoor unit malfunction Whether the outdoor main board has error display NO v Whether the outdoor Yes Refer to corresponding solving steps NO gt unit is power on Yes Check whether the communication wire No outdoor unit is between the indoor and connected correctly Yes Y Replace outdoor main board Check if the errors Check whether the power is on Connect the wiring well or replace the communication wire NO happen again Yes Replace the indoor PCB v Trouble is solved 85 2 4 1 3 Indoor EEPROM malfunction Shut off the power supply and turn it
17. 3 4 The branching pipe must be installed horizont ally error angle of it should not large than 10 Otherwise malfunction will be caused U shaped branching pipe A direction view Wrong Correct Horizontal surface 56 Drainage pipe installation 6 Drainage pipe installation Install the drainage pipe as shown below and take measures against condensation Improperly installati on could lead to leakage and eventually wet furniture and belongings 6 1 Installation principle Ensure at least 1 100 slope of the drainage pipe Adopt suitable pipe diameter Adopt nearby condensate water discharge 6 2 Key points of drainage water pipe installation 6 2 1 Considering the pipeline route and elevation Before installing condensate water pipeline determine its route and elevation to avoid intersection with other pipelines and ensure slope is straight 6 2 2 Drainage pipe selection The drainage pipe diameter shall not small than the drain hose of indoor unit According to the water flowrate and drainage pipe slope to choose the suitable pipe the water flowrate is decided by the capacity of indoor unit Relationship between water flowrate and capacity of indoor unit 12 24 _ __ ___ According to the above table to calculate the total water flowrate the confluence pipe selection For horizontal drainage pipe The following table is for reference Reference value of inner Allowable maximum water flowrate gpm PVC p
18. 4 Install the main body Make the 4 suspender through the 4 hanger of the main body to suspend it Adjust the hexangular nuts on the four installation hooks evenly to ensure the balance of the body Use a leveling instrument to make sure the levelness of the main body is within f 1e Screw nut Shockproof cushion Overhang part Washer Hanging screw bolt UNES 3 3 5 Install the air filter Insert the air filter through the filter slot and fix it with 2 screws 3 3 6 Install the air duct Please design the air duct as below recommended picture Canvas tie in Canvas tie in Zi nu 2 Isolation booth 7 7 Air inlet Isolation booth Air dust filter checking orifi Air outlet 43 Indoor unit installation 3 3 7 Change the air inlet direction D Take off ventilation panel and flange cut off the staples at side rail Air return flange 4 The installation has finish upon filter mesh which fixing blocks have been insert to the flange postional holes 44 Indoor unit installation 3 4 Ceiling amp floor indoor unit installation 24K 48K 3 4 1 Service space for indoor unit 2 2 7 2 2 p gt 3 4 2 Bolt pitch D Ceiling installation Hook 18K 24K 38 7 86 2 Wall mounted installation immi LI LI am LJ IL d LL IL IL LL mam LL mua
19. Dry Heat Fan only Auto Auto Dry Heat Fan only Auto For cooling only model heat mode is skipped Timer When adjust setting on time or only on time is set the is lighted When adjust setting off time or only off time is set the OFF is lighted If on and off timer are both set the ON and OFF are both lighted Follow me function There is a temperature sensor inside the wire controller after setting temperatu re it will compare the two temperatures and the space of wire controller will be the same as setting temperature It is available under cooling heating auto mode ON OFF indication When it is on the icon display otherwise it is extinguished Fan speed indication There are four fan modes low middle high auto For some models no middle fan then the middle fan is seen as high speed 117 the icon disappears Controller Lock When the LOCK button is pressed the icon appears and other buttons is unable press again 7 Temperature display zone Generally it displays setting temperature it can be adjusted by press temperature buttona fan mode no display here Remark The wired controller will reset to factory setting with auto mode auto fan and 75 F setting temperature when the air conditioner restarts after power failure And this may cause inconsistent displays on the wired controller and on the air conditioner You need to readjust the running status
20. E i ChE CHA D T Ceiling Finor Type 13 TIU a I PNIS CN33 CH2B ROOM TEMP DRIVER MOOLE i GE 5 5 CO ELLEN ALARM 1 OUTER FIPE TEMP T 415415 MIDDLE PIPE TEMP x i Outer Driver i i arose 1 Aum a nc Motor Comm INDICATION 202070590737 14 Static Pressure 3 Static Pressure 12 000 Btu h 18 000 Btu h Pa Fa 90 90 80 80 4 70 a 70 Super high speed 7 4 o 60 o 60 High speed I 50 50 15 40 5 i 2 Super high speed o Mid speed 30 i High speed 30 4 20 re speed 20 Low speed OW speed 10 10 a 300 400 500 600 An 800 900 200 300 400 500 600 700 800 900 1000 1100 1200 Air volume m h Ar volume m h 24 000 Btu h Pa 90 80 E 70 a Super high speed 60 gt 50 E High speed 40 4 o Mid speed i 30 a Low speed 20 10 700 800 900 1000 1100 1200 1300 1400 1500
21. LI LL LI am TI ne T LI LH m umi LI a LI LJ ae iL L 3 4 3 Install the pendant bolt D Ceiling installation 45 Indoor unit installation Select the position of installation hooks according to the hook holes positions showed in upper picture Drill four holes of 20 47 1 7 1 9 deep at the selected positions on the ceiling Then embed the expansible hooks fittings 2 Wall mounted installation Install the tapping screws onto the wall Refer to picture below 1 Be LI LI 11 LI IL LA LL L LII L am LI LL IL TI me LI T IL LL IL 11 LL LI LL mmi 1 LL i L 3 4 4 Install the main body D Ceiling installation The only installation method for the unit with drain pump Remove the side board and the grille Hanging arm Hanging screw bolt 2 EE Grille Locate the hanging arm on the hanging screw bolt Prepare the mounting bolts on the unit 46 Indoor unit installation Screw nut 20 25 Washer Hanging screw bolt Put the side panels and grilles back D Connecting point of refrigerant pipe D gas side E Connecting point of refrigerant pipe E Liquid side J Drain
22. Medium For 2rd Ceiling floor amp Compact cassette amp 5 Duct 12 18K T1 Ts 6 F Low 4 5 3 6 Medium 2 7 15 High For other units T1 Ts F Low 28 4 26 6 Medium 24 8 23 0 High 1 3 3 4 Defrosting mode For 12K 18Kunits Condition of defrosting T4 gt 32 F 72 Electrical Control Function Defrosting starts when either of the following 280 D The units run with lt 37 4 F for 40 minutes and keeps lower than TCDI F for more than 3 minutes 2 The units run with lt 37 4 F for 80 minutes and keeps lower than TCDI 3 6 F for more than 3 minutes 4 lt 0 If Dand 2 are satisfied then the program judges if T2 has decreased more than 5 T2 has decreased more than 9 F enter the defrosting mode No matter what value of the T4 is and whether the T2 drops more than 9 or not if the machine runs with T3 5 4 F for more than 120 minutes and T3 keeps lower than TCDI 7 2 F for more than 3 minutes the machine will enter defrosting mode Condition of ending defrosting If any one of the following items is satisfied the defrosting will finish and the machine will turn to normal heating mode T3 rises to be higher than TCDE1 8 F 3 keeps to be higher than TCDE3 6 F for 80 seconds he machine has run for 10 minutes in defrosting mode Defros
23. Water flow Q x Branch pipe Water flow Branch pipe ERAT x The correct installation will not cause converse water flow and the slope of the branch pipes can be adjusted freely The false installation will cause converse water flow and the slope of the branch pipe can not be adjusted 6 2 6 Water storage pipe setting If the indoor unit has high extra static pressure a nd without water pump to elevate the condensate wat er such as high extra static pressure duct unit the water storage pipe should be set to avoid converse flow or blow water phenomena Keep a certain degree Main pipe 58 Drainage pipe installation a More than 1 9 in Plug fy MS More than 1 in 27 Water storage pipe 6 2 7 Lifting pipe setting of indoor unit with water pump The length of lifting pipe should not exceed the pump head of indoor unit water pump Pump head of big four way cassette 29 5 Pump head of compact four way cassette 19 8 The drainage pipe should be set down inclined after the lifting pipe immediately to avoid wrong operation of water level switch Refer the following picture for installation reference Indoor unit Down incline pipe A Length of horizontal pipex 5 9 in B Lift heightx the pump head of water pump
24. can run normally Check whether the voltage range of P N on IPM module is normal DC 350 650V NO y Yes Yes Mp Yes Yes v Replace outdoor main board IS solved 98 Troubleshooting Troubleshooting 2 4 4 10 PO malfunction PO display Temperature protection of compressor top y Whether compressor Whether the connection is N No Reconnect and retest operates good Yes Yes Y Whether refrigerant circulation volume is normal j 2 Whether protector is normal e N Replace the protector protector is normal resistance O No Charge refrigerant Yes Y Replace the outdoor main PCB Whether abnormality is the same after gas charging y Check refrigerant system such as clogging of capillary etc 99 Troubleshooting 2 4 4 13 malfunction P3 display Current protection of compressor Y Judge 1 Check whether the input current of the power supply wire is more than 20A Yes v Check whether the refrigerant system is ok l Judge 2 Check whether the outdoor ambient temperature is higher than Y Yes gt Stop the unit Judge 3 Check whether the outdoor unitis bad ventilation Yes
25. hour 3 If the vacuum degree of vacuum pump still could not reach 55mmdHg after 1 5 hours of drying check whether there is leakage source 4 Leakage test After the vacuum degree reaches 755mmHg stop vacuum drying and keep the pressure for 1 hour If the indicator of vacuum gauge does not go up it is qualified If going up it indicates that there is moisture or leak source 7 3 2 Special vacuum drying The special vacuum drying method shall be adopted when 1 Finding moisture during flushing refrigerant pipe 2 Conducting construction on rainy day because rain water might penetrated into pipeline 3 Construction period is long and rain water might penetrated into pipeline 4 Rain water might penetrate into pipeline during construction Procedures of special vacuum drying are as follows 1 Vacuum drying for 1 hour 2 Vacuum damage filling nitrogen to reach 0 5 Kg f cm2 Because nitrogen is dry gas vacuum damage could achieve the effect of vacuum drying but this method could not achieve drying thoroughly when there is too much moisture Therefore special attention shall be drawn to prevent the entering of water and the formation of condensate water 3 gt Vacuum drying again for half an hour If the pressure reached 55mmHg start to pressure leakage test If not reached the value repeat vacuum damage and vacuum drying again for 1 hour 4 Leakage test After the vacuum degree reaches 755mmHg stop vacuum drying and k
26. indoor unit respectively 64 Test operation 11 Test operation 11 1 The test operation must be carried out after the entire installation has been completed 11 2 Please confirm the following points before thetest operation The indoor unit and outdoor unit are installed properly Tubing and wiring are correctly completed The refrigerant pipe system is leakage checked The drainage is unimpeded The ground wiring is connected correctly The length of the tubing and the added stow capacity of the refrigerant have been recorded The power voltage fits the rated voltage of the air conditioner There is no obstacle at the outlet and inlet of the outdoor and indoor units The gas side and liquid side stop values are both opened The air conditioner is pre heated by turning on the power 11 3 Test operation the air conditioner under the mode of COOLING by remote controller and check the following points Indoor unit Whether the switch on the remote controller works w ell Whether the buttons on the remote controller works well Whether the air flow louver moves normally Whether the room temperature is adjusted well Whether the indicator lights normally Whether the temporary buttons works well Whether the drainage is normal Whether there is vibration or abnormal noise during operation Outdoor unit Whether there is vibration or abnormal noise during operation Whether the generated wind noise or condensed of by the
27. installation 4 Outdoor unit installation Side Discharge Unit 4 1 Service space for outdoor unit Wall ar obstacle e Air inlet 1 ru 211 8 Maintain channel gt 23 6 i gt inlet Fix with 4 3Install the Unit Since the gravity center of the unit is not at its physical center so please be careful when lifting it with a sling Never hold the inlet of the outdoor unit to prevent it from deforming Do not touch the fan with hands or other objects Do not lean it more than 45 and do not lay it sidelong Make concrete foundation according to the specifications of the outdoor units Fasten the feet of this unit with bolts firmly to p revent it from collapsing in case of earthquake or strong wind Fix with bolt 500 520 00 OK 2 SS So ee 2525252525252004 25 WT 505 6 5252 53 Refrigerant pipe installation 5 Refrigerant pipe installation 5 1 Maximum pipe length and height drop Considering the allowable pipe length and height dp to decide the installation position Make sure the distance and height drop between indoor and outdoor unit not exceeded the date in the following table 12 000Btu h 65 ft 28 ft 18 000Btu h 24 000Btu h 82 ft 32 ft 5 2 The procedure of connecting pipes 5 2 1 Choose the pipe size according to the specification table 5 2 2 Confirm the cross way of the pipes 5 2 3 Measure the necessary pipe length 5 2 4 Cut
28. instruction If timer on or timer off has been set it cancel this setting then send instruction to stop the machine Adjust button Set indoor temperature up If press and hold on it will increase at 1degree per 0 5 second Adjust button Set indoor temperature down ifress and hold on it will decrease at 1degree per 0 5 oecond Swing button First press start swing function second press stop swing Match to some model with swing function Economy operation button press this button the indoor unit operates in economy mode press again exit this mode it may be ineffective for some models Fan speed button press this button consecutivdy the fan speed will circle as follow 1 Bm uto Es pem za Lock button hidden When you push the LOCK buton all current settings are locked in and the wire controller does not accept any operation except that of the LOCK button Use the lock mode when you want to prevent setting from being changed accident ally or play fully Push the LOCK button again when you want to cancel the LOCK mode Name and function of LCD on the wire controller 1 Operation mode indication 3 Follow me function 4 ON OFF indication gt SET TEMP 5 Fan speed indication TIMER ON OFF 2 Timer ON OFF oy Keck 7 Temperature display zone Operation mode indication When press MODE butto the following mode can be selected in circle Auto Cool
29. on 5 seconds later Is it still displaying the error code Yes If the EEPROM chip is welded on PCB replace the PCB directly Otherwise NO Insertthe EEPROM well check whether the EEPROM chip plugged in PCB well Yes Y Replace the indoor PCB 2 4 1 4 Full water malfunction If the water level switch is inserted well Yes If the water level switch is broken NO If the water pump is Yes NO Insert the water level switch well Replace the water level switch normal Yes v Check PCB board or replace the indoor main PCB y Replace the water pump 86 Troubleshooting Troubleshooting 2 4 1 5 Indoor fan Speed has been out of control Only for the units used DC motor Shut off the power supply and turn it on 1 minute later Is it No The unit operates normally v still displaying the error code Yes v rotate the fan by hand Does No motor off the power supply Replace indoor fan it rotate properly i Yes v Check the wires of fan motor Are all the connections good Yes Y Check the voltage between No Correct the connections every port and GND port of fan motor connector does it comply with the table
30. point Downward declicity lower between 1 2 100 2 Wall mounted installation Hang the indoor unit by insert the tapping screwsnitto the hanging arms on the main unit The bottonof body can touch with floor or suspended but the body must install vertically 47 Indoor unit installation 3 5 Ceiling amp floor indoor unit installation 12K 18K 3 5 1 Service space for indoor unit 7 3 5 2 Bolt pitch D Ceiling installation Drain point e 78 2 Floor standing installation Indoor unit installation Hook Tapping FUEUEDEDEPEPEDEDEPEDEPEPEPEPEDEDEDEDEDEOPDEDUPEPE Y 3 5 3 Install the pendant bolt D Ceiling installation Select the position of installation hooks according to the hook holes positions showed in upper picture Drill four holes of 20 47 1 7 1 9 deep at the selected positions on the ceiling Then embed expansible hooks fittings 2 Floor standing installation Fix the hook with tapping screw onto the wall Refer to picture below Hook e Tapping 2 IL 1 e mm LII 1 ILI LI LIU 1 LII ILI m mm mm immi IL immi 1 1 imm LII IL 1 LII IL 1 IL LLLI I 3 5 4 Install the main body D Ceiling installatio
31. t temp Keeping pressing will the temp with 1 0 55 2 Adjust Increase the set temp Keeping pressing will increase the temp with 1 per 0 5 3 MODE Once pressing running mode will be selected in the following sequence 77777770 testy NOTE No heating mode for cool only type unit 4 VERT SWING Used to stop or start horizontal louver movement or set the desired up down air flow direction The louver changes 6 degree in angle for each press If keep pushing more than 2 seconds the louver will swing up and down automatically 5 HORIZ SWING Used to stop or start vertical louver movement 6 AIR DIRECTION Used to set the desired up down air flow direction The louver changes 6 degree in angle for each press 7 ON OFF For turning on or turning off the air conditioner 8 FAN SPEED Fan speed will be selected in following sequence once pressing this button AUTO LOW gt HIGH 9 TIME ON For time ON setting Once pressing this button th e time will increase by 0 5 hour When the set time exceeds 10 hours pressing the button will increase the time by 1 hour Adjusting the figure to 0 00 will cancel time ON setting 10 ECO Activate or turn off economic operation mode It is suggested to turn on this function when sleeping Only available when remote controller is used with corresponding unit 11 TIME OFF For time OFF setting Onc
32. through the wired controller Installation Wiring Principle Sketch 5p Wire Controller 5 Core Shield Cable lengih i amp decided by installation Intraed Pine 5 RUN GND Une Swich Board X IndoorUnit Installation Notice When the air conditioner needs the constant frequency wire Controller be sure adding a Wire Joint with 5 terminal named A B C D E in indoor unit and fixing a infrared emitter whose anode and cathode connecting with A and B near the receiver in the In door Unit Switch Board then connecting the termina 5v GND Run in the Switch Board to C D E respectively 118 Controller While installing using Screwdriver or other tools to open the back cover from the inside Back cover of Wire Controller Front cover of Wire Controller o LCD display Turning cover For the Terminal Group is standing After the back coveris Out of the back cover so it is fastened to fix up the necessary to obligate holes and front cover first lock it is forbiden to fasten difectly to the one of the two then the another NOTE The connecting wire should be a little longer as to take away the switch board easily for maintenance The connecting wire should be a little longer as to take away the controller easily for maintenance 119 KLiMAiREz 2190 NW 89 Place Doral FL 33172 USA
33. will not start up firstly after setting the timer off function And when reaching the setting time the timer LED will be off and the AC running mode has not been changed 1 3 6 7 The setting time is relative time 1 3 7 Economy function For console 1 3 7 1 The sleep function is available in cooling heating or auto mode 1 3 7 2 Operation process in sleep mode is as foll ow When cooling the setting temperature rises 1 8 F be lower than 80 F every one hour 2 hours later the setting temperature stops rising and the indoor fan is fixed at auto speed When heating the setting temperature decreases 1 8 F be higher than 63 F every one hour 2 hours later the setting temperature stops rising and indoor fanis fixed at auto speed Anti cold wind function has the priority 1 3 7 3 Operation time in sleep mode is 7 hours After 7 hours the AC quits this mode and turns off 1 3 7 4 Shutdown change the mode or speed setting will cancel the economic operation 1 3 7 5 When user uses timer off function in sleep mode or sleep function in timer off mode if the timing is less than 7 hours sleep function will be cancelled when reaching the setting time If the timing is m ore than 7 hours the machine will not stop until reaches the setting time in sleep mode For other units 1 3 7 1 The sleep function is available in cooling heating or auto mode 1 3 7 2 Operation process in sleep mode is as foll ow When cooling the set
34. 0 52912 C 0 0 0 0 0 1 83003 sw 1 76647 108 0 49989 12 70 1698 8 71983 66 0898 8 33566 1 70547 0 48600 62 2756 7 97078 1 64691 0 47256 7 29464 1 59068 0 45957 2 1 1 1 1 1 1 1 1 1 09 563594 7 52248 49318 31 5635 4 76253 29 9058 28 3459 12 12 2 2 12 12 12 2 4 21263 0 99815 25 4954 i 0 31559 4 04589 0 96681 1 7 35 2024 5 17519 1 17393 120 0 35982 1 13604 0 35042 5 0 30754 7 4 8 0 33 3269 4 96392 2 6 8 9 7 7 5 0662 127 029974 _ osos 128 02926 1 6 0 9 8 7 6 5 4 3 2 0 2 4 1 e lt m c o Oo O 105 Troubleshooting Appendix 2 9 ser s 1359 379 _ 9 sus _ 1 to me 9 34 _ ar ss 5 339 _ 35 s sar 325 45 er s 6 s 355 _ 393 109 305 _ z sz s 18 395 _ NO NO O NO NM NM RM Dd Oo NM Od GD O N N a zss 2 99 t2 269 385 ss 259 _ s ms sa 4 249
35. Insulation meterial Gas pipe The insulation material at the joint pipe shall be 0 19 0 39 longer than the gap of the insulation material The insulation material at the joint pipe shall be inserted into the gap of the insulation material The insulation material at the joint pipe shall be banded to the gap pipe and liquid pipe tightly The linking part should be use glue to paste together Be sure not bind the insulation material over tight it may extrude out the air in the material to cau se bad insulation and cause easy aging of the material 9 2 Insulation of drainage pipe 9 2 1 Operational procedure of refrigerant pipe insulation Select the suitable pipe insulation except joint section piping layout and connection drainage test insulate the joint parts 9 2 2 Purpose of drainage pipe insulation The temperature of condensate drainage water is very low If insulation is not enough it shall form dew and cause leakage to damage the house decoration 63 Engineering of electrical wiring 9 2 3 Insulation material selection for drainage pipe The insulation material should be flame retardant material the flame retardancy of the material should be selected according to the local law Thickness of insulation layer is usually above 10mm Use specific glue to paste the seam of insulation material and then bin
36. KLiMAiREz LIGHT COMMERCIAL Service Manual Contents CONTENTS OUR LEER 1 Part 2 Indoor UNITS 5 P rt 3 Outdoor ul vice 23 4 sssrinin 8 29 Part 5 Electrical Control vete i codes desea oua va dos REESE 63 The specifications designs and information in this book are subject to change without notice for product improvement General Information Part 1 General Infor mation ere 3 1 1 Indoor Units 1 2 Outdoor Units 2 Nomenclature 1 1 Indoor Units R410A Capacity x 1000 Btu h KTIM 4 way cassette Cooling and heating o KDIM Duct Cooling and heating KUIM Ceiling floor Cooling and heating eje o KFIM Console 1 2 Outdoor Units Cooling and heating KSILO12 H219 0 KSILO18 H219 0 KSILO24 H219 0 Universal Outdoor unit Model Compressor type Rotary Compressor Brand TOSHIBA TOSHIBA Matched indoor units KDIMO12 H2 KFIMO12 H2 KTIMO12 H2 KUIMO12 H2 KDIMO18 H2 KTIMO18 H2 KUIMO18 H2 KDIMO24 H2 KTIMO24 H2 KUIMO24 H2 2 Nomenclature 2 1 Indoor Unit 3 2 Outdoor Unit K T 012 2
37. ON ADJUSTBUTTON m a SWINGBUTTON ECONOMY BUTTON REsETBUTTON 9 ljg FAN SPEED BUTTON 1 Mode button When press this button the mode change as the following sequence rie nte actuel Remark For the cooling only model the heating mode is skipped 2 Timer on button Press this button timer on function is active Then every press the time increas e 0 5 after 10h 1h increasement after each press If cancel this Function just set it to 0 0 3 Timer off button Press this button timer off function is active Then every press the time incre ase 0 5 after 10h 1h increasement after each press If cancel this function just set it to 0 0 4 Follow me button When under cool heat and auto mode press this button follow me function is act ive Press again this function is ineffective 116 Controller 10 11 12 To Electrical heater button If press this button in heat mode electrical heater function become ineffective Reset button hidden Use a 1mm stick to press in the little hole then the current setting is canceled The wire controllers enter into original state ON OFF button When in off state press this button the indicator is on the wire controller enter into on state and send setting information to indoor PCB When in on state press this button the indicator is off and send
38. Tel 305 594 4972 Fax 305 499 4378 The design and specifications are subject to change without prior notice for product www klimaire com sales klimaire com improvement Consult with the sales agency or manufacturer for details
39. acity demand code Norm code 10 l If capacity demand code is higher than 99 the digital display 2 Indoor unit capacity demand code tube will show single digit and tens digit For example the digital display tube show 5 0 it means the capacity demand is 15 the digital display tube show 60 it means the capacity demand is 6 0 If the indoor unit is not connected the digital display tube will show 3 Indoor unit capacity demand code 79 2 Troubleshooting 2 1 Display board 2 1 1 Icon explanation on indoor display board Super slim cassette 24K Temporary button Digital LED Infrared signal receiver Operation lamp Timer indicator Alarm indicator PRE DEF indicator cooling and heating type or fan only indicator cooling only type 2 1 2 Icon explanation on indoor display board Compact cassette 12K 18K Infrared signal receiver Temporary button Operation lamp _ Timer indicator Alarm indicator PRE DEF indicator cooling and heating type or fan only indicator cooling only type 2 1 3 Icon explanation on indoor display board Ceiling amp Floor 12K 18K 10 ___ Operation lamp OPERATION EB TIMER 8 DEF FAN de Q ALARM Timer indicator PRE DEF indicator caoling and heating ope or fan only indicator coaling only type Ch Alarm indicator 7 Temporary button gt Infrared sig
40. air conditioner have influenced your neighborhood Whether any of the refrigerant is leaked 65 Electrical Control System Part 5 Electrical Control System 1 Electrical Control Function 65 2 PROP E EE EE m 79 3 RETE 111 66 Electrical Control Function 1 3 Operation Modes and Functions 1 3 1 Fan mode 1 Outdoor fan and compressor stop 2 Temperature setting function is disabled and no setting temperature is displayed 3 Indoor fan can be set to high med low auto 4 The louver operates same as in cooling mode 5 Auto fan For 12 18K units Jupes High 5 4 Medium 2 7 Low 15 75 2 For other units E High 7 2 Medium 5 4 3 6 Low 15 75 2 1 3 2 Cooling Mode 1 3 2 1 Outdoor PMW open angle control The unit is working in cooling mode with the EXV open 300P for 3 minutes then adjusting PMW open angle according to the temperature of compressor discharge every 2 minutes 1 3 2 2 Outdoor fan running rules For 12K units 14 High 71 6 i 68 Low 67 Electrical Control Function 1 Electrical Control Function Definition 1 Indoor room temperature T2 Coil temperature of indoor heat exchanger middle T2B Coil temperature of indoor heat exchanger outlet T3 Coil temperature of condenser T4 Outdoor ambient tempe
41. amage the bellmouthing and too small torque may cause leakage Refer the following table for different pipe connection Pipe Diameter 1 4 6 35 144 176 1420 1720 3 8 9 52 333 407 3270 3990 1 2 12 7 504 616 4950 6030 5 8 15 9 630 770 6180 7540 3 4 19 990 1210 9270 11860 5 3For Units with Twins Function 5 3 1 Length and drop height permitted of the refrigerant piping Note Reduced of the branching tube is the 1 6ft of the equivalent length of the pipe Outdoor unit D Indoor unit 5 x ndoor unit 5 Su P ig d Oo oio g EIS 25 ge quu The line branch pipe oa o Els lt gt Note All used branch pipe must be produced by Klimaire otherwise it causes malfunction The indoor units should be installed equivalently at the both side of the U type branch pipe Permitted Value Piping 18K 18K 98 4ft L L1 L2 24 24 164 ft Max branch pipe length 49 L1 L2 2555 1142 Max height difference between 65 6 ft indoor unit and outdoor unit Max height difference between 1 6 ft indoor units 55 Refrigerant pipe installation 5 3 2 Size of joint pipes for indoor unit R410a Capacity of Size of main pipe mm indoor unit Available ranching pipe 12 7 66 35 01 615 9 CE FQZHN 01C Liquid side 5
42. buttons on the wire controller TY ON OF BUTTON mode selection button a FAN SPEED SELECTION timer on button 2 9 AJUDSTMENT BUTTON amer om 715 AJUDSTMENT BUTTON v clock button 7 4 ies SWING BUTTON confirm button 5 a ECONOMICAL button replace nutton H TOOL ONLYICOOL AND JAMHEATING SELECTION BUTTON 4X LOCK BUTTON 1 mode selection button It is used to select mode push the button one time then the operation modes will change In turn as follows n amp ora dl ET Remark no heating mode if wire controller is set as the cool only 2 on button Push the button to set TIMER ON each time you push the button the time moves forward by o 5 hours When the set time is over 10 hours each time you push the button the time moves forward by 1 hour If want to cancel the TIMER ON then adjust the time of TIMER ON as 0 0 3 Timer off button Push the button to set TIMER OFF each time you pus h the button the time moves forward by o 5 hours When the set time is over 10 hours each time you push the button the time moves forward by 1 hour If want to cancel the TIMER OFF then adjust the time of TIMER OFF as 0 0 4 button Normally display the clock set currently display 12 00 for the first electrifying or resetting When push the button for 4 seconds the hour part on the cloc k
43. ct ion joint part Using gas leakage detector or soap water to detect 62 Engineering of insulation 9 Engineering of insulation 9 1 Insulation of refrigerant pipe 9 1 1 Operational procedure of refrigerant pipe insulation Cut the suitable pipe insulation except joint section flare the pipe piping layout and connection vacuum drying insulate the joint parts 9 1 2 Purpose of refrigerant pipe insulation During operation temperature of gas pipe and liquid pipe shall be over heating or over cooling extremely Therefore it is necessary to carry out insulation otherwise it shall debase the performance of unit and burn compressor Gas pipe temperature is very low during cooling If insulation is not enough it shall form dew and ca use leakage Temperature of gas pipe is very high generally 122 212 F during heating Insulation work must be carried out to prevent hurt by carelessness touching 9 1 3 Insulation material selection for refrigerart pipe The burning performance should over 248 F According to the local law to choose insulation materials The thickness of insulation layer shall be above 0 39 in hot or wet environment place the layer of insulation should be thicker accordingly 9 1 4 Installation highlights of insulation construction Gas pipe and liquid pipe shall be insulated separately if the gas pipe and liquid pipe were insulated together it will decrease the performance of air conditioner Liquid pipe
44. cy limit caused by PFC The displ m Frequency limit 5 number For example caused by T4 a Frequency limit the digital display tube Bit4 show 2A then Bit5 1 caused by T2 dg ah limit Bit3 1 Bit1 1 Bit3 1 It means frequency limit E caused by T4 T3 and Bit2 current caused by Tp Frequency limit caused by current Frequency limit caused by voltage Frequency limit symbol Bit The display value is between 86 248 degree If the temp is lower than 86 degree the digital display tube will show 86 If the temp is higher than 210 degree the digital display tube will show single digit and tens digit For example the digital display tube show 0 5 it means the IGBT radiator temp is DC fan motor speed 221 degree the digital display tube show 1 6 it means the 17 IGBT radiator temp Reserved IGBT radiator temp is 241 degree Indoor unit number The indoor unit can communicate with outdoor unit well Condenser pipe temp of 12 indoor unit If the temp is lower than degree the digital display tube will Condenser pipe temp of 2 indoor unit show 32 If the temp is higher than 158 degree the digital display tube will show 158 If the capacity demand is 32 the Condenser pipe temp of 3 indoor unit digital display tube will show 32 If the indoor unit is not connected the digital display tube will show 1 Indoor unit cap
45. d Communication failure between indoor unit and updown panel Or up down panel is defective heck the wire connection betwe up down paneland indoor unit is it right Correct the connection gt gt Yes emove up down panel anc repower the indoor unit Connect a display board and turn on it can it start Theindoor PCB is me defective Change it Yes The up down panel is defective Change it Problem is solved 89 Troubleshooting 2 4 2 3 Up down panel is not closed F2 Displayed The up down panelis not closed Lift the filter panel to close it Check ifthe filter panel of up down panelis closed gt Yes Y The up down panel is defective Change it is solved 90 Troubleshooting 2 4 3 For the unit with TWINS function 2 4 3 1 Communication failure between master unit and indoor unit r F3 Displayed B Communication failure between master unit and slave unit Correct the settings Check the dial switch settings of aster unit and slave unit is it right gt Yes Correct the wire connections Check the communication wires connectior is it good enough gt Yes Y One ofthe 2 indoor 5 5 defective Connect only o
46. d with adhesive tape The width of tape shall not be less than 5cm Make sure it is firm and avoid dew 9 2 4 Installation and highlights of insulation construction The single pipe should be insulated before connecti ng to another pipe the joint part should be insula ted after the drainage test There should be no insulation gap between the insulation material 10 Engineering of electrical wiring 10 1 Highlights of electrical wiring installation All field wiring construction should be finished by qualified electrician Air conditioning equipment should be grounded according to the local electrical regulations Current leakage protection switch should be installed Do not connect the power wire to the terminal of signal wire When power wire is parallel with signal wire put w ires to their own wire tube and remain at least 300 mm gap According to table in indoor part named the specif ication of the power to choose the wiring make su re the selected wiring not small than the date showing in the table Select different colors for different wire according to relevant regulations Do not use metal wire tube at the place with acid o r alkali corrosion adopt plastic wire tube to repl ace it There must be not wire connect joint in the wire tu be If joint is a must set a connection box at the place The wiring with different voltage should not be in one wire tube Ensure that the color of the wires of outdoor and the terminal No are same as those of
47. dified the machine will choose running function again 1 3 5 Drying mode For 12K 18K units 1 3 5 1 Indoor fan speed is fixed at low and can t be changed The louver angle is the same as in cooling mode 1 3 5 2 Low indoor room temperature protection In drying mode if room temperature is lower than 50 F the compressor will stop and not resume until room temperature exceeds 54 F 1 3 5 3 Evaporator anti freezing protection condenser high temperature protection and outdoor unit frequency limit are active and the same as that in cooling mode 1 3 5 4 The outdoor fan operates the same as in cooling mode For other units Drying mode works the same as cooling mode in low speed All protections are active and the same as that in cooling mode 1 3 6 Timer function 1 3 6 1 Timing range is 24 hours 16 Electrical Control Function 1 3 6 2 Timer on The machine will turn on automatically when reaching the setting time 1 3 6 3 Timer off The machine will turn off automatically when reaching the setting time 1 3 6 4 Timer on off The machine will turn on automatically when reaching the setting on time andthen turn off automatically when reaching the setting off time 1 3 6 5 Timer off on The machine will turn off automatically when reaching the setting off time am then turn on automatically when reaching the setting on time 1 3 6 6 The timer function will not change the AC aurrent operation mode Suppose AC is off now it
48. display flashes every 0 5 seconds then push butt on and to adjust hour push the button CLOCK again th e minute part flashes every 0 5 seconds then push and button to adjust minute When set clock or alter clock setting must push the confirm button to complete the setting 113 Controller Name and function of LCD on the wire controller 2 FAN speed 1 MODE display 4 LOCK display 5 Y CLOCK display 6 OFFION display 7 Temperature display 3 X Economical operation display 1 Mode select button MODE Press MODE button to select COOL DRY HEAT or FAN ONLY mode HEAT is invalid for COOL ONLY wire controller Be 2 Fan speed button FAN SPEED Press FAN SPEED to select fan speed from AUTO LOW MED and HIGH NOTE some air conditioners have no MED fan speed and then the MED is regarded as HIGH 3 Economical operation displays Press ECONOMICAL to display economical operation if press ECONOMICAL again then the display disappears 4 Lock display Press LOCK to display the icon of LOCK Press the button again then the icon of LOCK disappears In the mode of LOCK all the buttons are invalid except for LOCK button 5 CLOCK display Usually display the clock set currently Press the button CLOCK for 4 seconds the HOUR part will flas h press button and to adjust HOUR Press the button CLOCK again the minute part flash press button A
49. e below P6 display IPM module protection l Check whether the voltage range of P N on IPM module is Check whether the Regulate it to correct No input power supply is then check whether the normal DC277 356V for 18K correct 220 240V 1N system can work 24KBtu h 50Hz normally Yes Check whether the connecting line between main No Connect it tightly board and the IPM module is check ok or not heck whether th line is onnect it correctl A and tightly check ok connected correctly or not and tightly Yes Check whether the connecting line of the compressor is connected correctly or tightly Connect it well check ok or not Check whether the lines in E part box are connected tightly Connect it tightly check ok or not Yes No eplace the IPM module Yes check whether the system No A can work normally Check whether the bridge rectifiers are normal Use the multimeter to measure the resistance between each two terminals check whether there is the condition that value of No resistance is 0 Yes No eplace the main boar Yes check whether the system Yes gt Replace the bridge rectifiers can work nor
50. e pressing this button t he time will increase by 0 5 hour When the set time exceeds 10 hours pressing the button will increase the time by 1 hour Adjust the figure to 0 00 will cancel time ON setting 12 C H inner located Press this button with a needle of 1mm to shift the mode between Cooling only and Cooling amp Heating according to the feature of the machine 13 RESET inner located Press this button with a needle of 1mm to cancel the current setting and reset remote controller 109 Controller 3 1 2 R51 E Remote Controller Specifications Reaching Distance n get 11m 8m when using 3 0 voltage it can get 11m Environment Temperature Range 239F 440 F 5 60 C Introduction of Function Buttons on the Remote Controller 1 TEMP DOWN Button Push the TEMP DOWN button to decrease the indoor temperature setting or to adjust the timer in a counter clockwise direction 2 MODLE SELECT Button Each time you push the button a mode is selected in a sequence that goes from AUTO COOL DRY HEAT and FAN as the followingfigure indicates AUTO COOL DRY HEAT FAN CANCEL Button NOTE HEAT only Heat Pump 3 SWING Button Push this switch button to change the louver angle 4 RESET Button When the RESET button is pushed all of the current settings are cancelled and the control will return to the initial settings 5 ECONOMIC RUNNING Button Push this button to go into
51. e shall easily connect with the outdoor unit The place where air circulation in the room should be good There should not be any heat source or steam near the unit There should not be any oil gas near the unit There should not be any corrosive gas near the unit There should not be any salty air neat the unit There should not be strong electromagnetic wave near the unit There should not be inflammable materials or gas near the unit There should not be strong voltage vibration 2 2 Outdoor unit location selection The place shall easily support the outdoor unit s weight Locate the outdoor unit as close to indoor unit as possible The piping length and height drop can not exceed the allowable value The place where the noise vibration and outlet air do not disturb the neighbors There is enough room for installation and maintenance The air outlet and the air inlet are not impeded and not face the strong wind It is easy to install the connecting pipes and cables There is no danger of fire due to leakage of inflam mable gas It should be a dry and well ventilation place The support should be flat and horizontal Do not install the outdoor unit a dirty or sevezly polluted place so as to avoid blockage of exchanger in the outdoor unit If is built over the unit to prevent direct sunligh t rain exposure direct strong wend snow and othe r scraps accumulation make sure that heat radiation from th e condenser is not restric
52. e signal wire between the IPM module and the main Yes board is it connected good NO v Reconnect and retry 15 error still display No 4 y No Replace IPM board and then check whether the Yes system can run normally NO Replace outdoor main board and then check Mae 1 whether the system can run normally NO Y Y Replace oe control Trouble is solved 95 Troubleshooting 2 4 4 6 4 malfunction E4 display Judge 1 Outdoor condenser temp sensor T3 is m nction Check whether the wiring of the condenser temp sensor T3 is Yes Connect the wiring well broken off NO Y Check whether the resistance of condenser temp sensorT3 is Yes Replace condenser temp sensor T3 wrong refer to the Appendix NO v Judge 2 Outdoor ambient temp sensor T4 is malfaction Check whether the wiring of the outdoor ambient temperature Yes Connect the wiring well sensor T4 is broken off Check whether the resistance of outdoor ambient temperature Y Replace outdoor ambient sensor T4 is wrong refer to the zi temperature sensor T4 NO y Replace outdoor main PCB 96 Troubleshooting 2 4 4 7 malfunct
53. eep the pressure for 1 hour If the indicator of vacuum gauge does not go up it is qualified If going up it indicates that there is moisture or leak source 61 Additional refrigerant charge 8 Additional refrigerant charge After the vacuum drying process is carried out the additional refrigerant charge process need to be performed The outdoor unit is factory charged with refrigerant The additional refrigerant charge volume is deci ded by the diameter and length of the liquid pipe between indoor and outdoor unit Refer the following formula to calculate the charge volume Diameter of liquid pipe mm 6 35 9 52 12 7 VeSogm LS V SOgm LS V Additional refrigerant charge volume g The length of the liquid pipe m Note Refrigerant may only be charged after performed the vacuum drying process Always use gloves and glasses to protect your hands and eyes during the charge work Use electronic scale or fluid infusion apparatus to weight refrigerant to be recharged Be sure to avoid extra refrigerant charged it may cause liquid hammer of the compressor or protections Use supplementing flexible pipe to connect refrigerant cylinder pressure gauge and outdoor unit And The refrigerant should be charged in liquid state Before recharging The air in the flexible pipe and manifold gauge should be exhausted After finished refrigerant recharge process check whether there is refrigerant leakage at the conne
54. g mode will be selected in the following sequence Qva x GU e Ead NOTE No heating mode for cool only type unit 3 SLEEP Button Active Disable sleep function It can maintain the most comfortable temperature and save energy This function is available on COOL HEAT or AUTO mode only NOTE While the unit is running under SLEEP be cancelled if MODE FAN SPEED or ON OFF button is pressed 4 VERT SWING Used to stop or start horizontal louver movement and set the desired up down air flow direction The louver changes 6 degree in angle for each press If keep pushing more than 2 seconds the louver will swing up and down automatically 5 HORIZ SWING Used to stop or start vertical louver movement and set the desired left right air flow direction The louver changes 6 degree in angle for each press If keep pushing more than 2 seconds the vertical louver swing feature is activated 6 FEEL SELF CLEAN Function Press this button less than 2 seconds will initiate FEEL function And if keep pressing this button more than 2 seconds the SELF CLEAN function is initiated 7 RESET Button When the RESET button is pushed all of the current settings are cancelled and the control will return to the initial settings 8 LOCK Button Push this button to lock in all the current settings To release settings push again 9 FAN SPEED Button Fan speed will be selected in following sequence once pressin
55. g this button AUTO LOW MED HIGH 10 UP Button Push this button to increase setting temperature or to increase Hour during Clock time setting 11 DOWN Button Push this button to decrease setting temperature or to decrease Hour during Clock time setting NOTE Press and hold UP and DOWN buttons together for 3 seconds will alternate the temperature display between the OC amp OF scale 12 TIME ON Press this button to activate the Auto on time set ting Each press will increase the time setting in 30 minutes increments up to 10 hours then at 1 hour increments up to 24 hours To cancel the Auto on time setting just press the button until the time setting is 0 0 13 TIME OFF Press this button to activate the Auto off time setting Each press will increase the time setting in 30 minutes increments up to 10 hours then at 1 hour increments up to 24 hours To cancel the Auto off time setting just press the button until the time setting is 0 0 14 TURBO Active Disable Turbo function Turbo function enables the unit to reach the preset temperature in the shortest time When press this button on hating mode applicable to the unit adopts only the PTC will be energized and bring fast heating operation 15 CLOCK Button Used to set the remote clock 16 LED Button Disable Active indoor screen Display 112 Controller 3 2 Wired Remote Controller 3 2 1 KJR 10B Name and functions of
56. gh temperature T3 protection For 12K 18K units 1319 F T3 140 F the compressor frequency will decrease to the low er level every minutes till F1 and then runs at F1 If T3 129 2 F the compressor will keep running at the current frequency 13 lt 125 6 F the compressor will not limit the frequency and resume to the former frequency 13 gt 140 F for 5 seconds the compressor will stop until T3 125 6 F For other units When 3 gt 149 for 3 seconds the compressor will shut off When lt 125 6 F compressor Will restart 70 Electrical Control Function 1 3 3 Heating Mode 1 3 2 1 Outdoor PMW open angle control The unit is working in heating mode with the EXV open 300P for 3 minutes then adjusting PMW open angle according to the temperature of compressor discharge every 2 minutes 1 3 3 2 Outdoor fan running rules For 12k units 144 Low 62 6 59 0 High For 18K units 141 Low 62 6 59 0 53 6 50 0 Medium High For other units T4 69 8 E DC SSLOW SPD ADD 66 2 644 DC FAN SLOW SPD ADD 60 8 59 0 DC FAN MIN SPD ADD d B DC FAN MID SPD ADD 53 6 DC FAN HI SPD ADD 71 Electrical Control Function 1 3 3 3 Indoor fan running rules When the compressor is on the indoor fan can be set to high med low auto And the anti cold wind function has the priority Auto fan action For Console 12K T1 Ts Low 4 5 3 6
57. guished NO NO Change the indoor main Change the outdoor main PCB 93 Troubleshooting 2 4 4 4 E2 malfunction For 18 60 Power off then turn on theunit 5 seconds later reconnect the power wire Is the error still displaying after several minutes Yes Y Check if there s any interference Remove interference ouch as too many lamps power AU Yes Increase the capacity of anti transformers Or the signal wire is interference too long No Y Check whether the signal wire is shield cable or whether the shield NO ODE cable earthing cable is earthing Yes Y Check whether the wire is correct No don polarity P to P to Q E to E Yes Check whether the signal wire is ye Replace the signal wire broken NO Y Check whether the signal wires insert main PCB well No Pull out and insert back Yes Replace indoor main PCB is the error distinguished NO Y Replace the outdoormain PCB 94 Troubleshooting 2 4 4 5 E3 malfunction E3 display Communication malfunction between IPM board and outdoor main board Is there at least one LED in the IPM board light NO Y Check th
58. harge Unit 52 5 Refrigerant pipe installation 53 6 Drainage pipe installation 56 7 Vacuum Drying and Leakage Checking 60 8 Additional refrigerant charge 61 9 Engineering of insulation 62 10 Engineering of electrical wiring 63 11 64 32 Installation Procedure Installation Procedure Indoor unit installation Outdoor unit installation location selection location selection Indoor unit installation Outdoor unit installation Refrigerant pipe installation and insulation Refrigerant pipe installation and insulation Drainage pipe installation and insulation Drainage pipe installation and insulation Vacuum drying and leakage checking Additional refrigerant charge Insulation the joint part of refrigerant pipe Wiring connection and electric safety checking Test operation 33 Location selection 2 Location selection 2 1 Indoor unit location selection The place shall easily support the indoor unit s weight The place can ensure the indoor unit installation and inspection The place can ensure the indoor unit horizontally installed The place shall allow easy water drainage The plac
59. he In door Unit Switch Board then connecting the termina 5v GND Run in the Switch Board to C D E respectively Turn a screwdriver at concave on panel of the Wire Controller to rem ove the Back Cover Wire Controller Back Corer Wire Controller Cover i Wire Contoller LED E Wire Controller Board z Wood Mounting Screw 4 20 Wire Controller Bottom Cover When installing the Wire Controller Cover sure there is a hola inthe wall to avoid Wire Controller Back Cover being fixed directly to the wall which is not allowed for the Wire Joint When installing the Wire Controller you should extrudes oul of the Wire Controller Back Cover adjust the bottom of the Wire Controller Board to the Wire Controller Back Cover which should be fixed first then press the other end of the Wire NOTE Never turn screws too tightly or else the cover would be dented or the Liquid Crystal breaks Please leave enough long cable for maintenance of the Wire Controller Board 115 Controller 3 2 2 KJR 12B Name and functions of buttons on the wire controller 7 ON OFF BUTTON MODEBUTTON D TIMER ON BUTTON 3 9 ee eee TIMER OFF BUTTON 3 8 ADJUSTBUTTON A FOLLOW ME BUTTON 4 ELECTRICAL __ HEATER BUTT
60. ide a em x E E T TT GE 5 S 2 e il ofl H i c 30 7 Hook location Unit mm 33 Body 37 4 Panel 3 2 3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed in upper picture Drill four holes of 212mm 45 50mm deep at the selected positions on the ceiling Then embed the expansible hooks fittings 38 Indoor unit installation 3 2 4 Install the main body Make the 4 suspender through the 4 hanger of the man body to suspend it Adjust the hexangular nuts am the four installation hooks evenly to ensure the balance of the body Use a leveling instrument to ma ke sure the levelness of the main body is within f 1e Adjust the position to ensure the gaps between the body and the four sides of ceiling are even The bay s lower part should sink into the ceiling for 10 19 min general L is half of the screw length of the installation hook Ceiling Locate the air conditioner firmly by wrenching the nuts after having adjusted the body s position well 0 0 3 2 5 Install the panel Remove the grille 39 Indoor unit installation Remove the 4 corner covers Hang the panel to the hooks on the mainbody If the panel is with auto lift grille please watch the opes lifing the grille DO NOT make
61. inue checking the water level If the water lev el fall down and LED disalarmed drain pump delay c lose 1 minute and operate with the last mode Otherwise entire system stop operating including the punp and LED remain alarming after 3 minutes 1 3 10 Point Check Function For 24K units only There is a check switch in outdoor PCB Press the switch SW1 to check the states of unit wh en the unit is running Press the switch N times it will display the content corresponding to No N After getting into the check function it will display No N with 1 5s meanwhile the low bit decimal of digit display flashing indicated to get into the check function display After 1 5s it will display the content corresponding to No N the digital display tube will display the follow procedure when push SW1 each time N Display Remark Normal display Display running frequency running state or malfunction code Norm code 10 If capacity demand code is higher than 99 the digital display tube will show single digit and tens digit For example the digital display tube show 5 0711 means the capacity demand is 15 the digital display tube show 60 it meansthe capacity demand is 6 0 The frequency after the capacity requirement transfer Indoor unit capacity demand code The frequency after the frequency limit The frequency of sending to 341 02 03 04 05 If the temp is lower than 32 degree the digital tube will napor HUE
62. ion For single phase units E5 display Voltage protection Check the voltage of outdoor unit power supply whether the voltage between L 1 and N is about 220 240 Yes Replace the power board V v Check the power supply then check whether the system can run normally NO Y 18K 24K Btu h No Y Replace bridge rectifiers and then check whether the system can run normally NO 4 Mp v Replace IPM board and then check whether the system can run normally Check whether the voltage of IPM board P and N is normal DC277 356 V for NO y Yes v Replace outdoor main board IS solved 97 2 4 4 8 E5 malfunction For three phases units E5 display Voltage protection Check the voltage of outdoor unit power supply whether the 2 between 1 N is about between 1 15 about 380VAC Yes Replace the power board v Check the power supply then check whether the system can run normally NO Y NO Y Replace bridge rectifiers and then check whether the system can run normally NO v Replace IPM board and then check whether the system
63. ipe Ld Remark diameter of pipe in Slope 1 50 Slope 1 100 For branch pipe PVC50 1 14 25 Could be used for confluence pipe Attention Adopt PVCAO or bigger pipe to be the main pipe For Vertical drainage pipe The following table is for reference PVC pipe value of INET Allowable maximum water flowrate gpm Remark diameter of pipe in For branch pipe Attention Adopt PVCAO or bigger pipe to be the main pipe 5 Drainage pipe installation 6 2 3 Individual design of drainage pipe system The drainage pipe of air conditioner shall be installed separately with other sewage pipe rainwater p ipe and drainage pipe in building The drainage pipe of the indoor unit with water pum p should be apart from the one without water pump 6 2 4 Supporter gap of drainage pipe In general the supporter gap of the drainage pipe horizontal pipe and vertical pipe is respectively 1m 71 5m and 1 5m 2 0m Each vertical pipe shall be equipped with not less than two hangers Overlarge hanger gap for horizontal pipe shall create bending thus leading to air block Too long distance Gas bag p 6 2 5 The horizontal pipe layout should avoid flow or bad flow Drainage pipe Drainage pipe Drainage pipe Drain tee v Water flow Water flow Water flow Water flow Water flow Drain tee PIS TOS W water flow Water flow
64. l stop and the LED will display the failure 68 Electrical Control Function For 18K units T4 oF High 82 F 9 79 F 72 OF Medium 68 F Low For other units DC FAN HI SPD ADD 82 79 DC FAN MID SPD ADD 77 73 DC FAN MIN SPD ADD 72 55 DC SLOW SPD ADD 66 63 E DC FAN SSLOW SPD ADD 1 3 2 3 Indoor fan running rules In cooling mode indoor fan runs all the time and the speed can be selected as high medium low and auto The auto fan For Console 12k 5 1 High 5 4 Medium 2 7 1 8 Low For 2rd Ceiling floor amp Compact cassette amp Duct 12 18K 69 Electrical Control Function We 35 1 High 5 4 Medium 2 7 1 8 Low For other units 1 wo High 7 2 Medium 5 4 3 6 Low 1 3 2 4 Evaporator low temperature T2 protection For 12K 18K units 2 32 F the compressor will stop and restart when T2 gt 41 F 32 S T2 lt 39 2 F the compressor frequency will be limited and decr eased to the lower level every 1 minute till off 39 2 F lt T2 lt 44 6 F the compressor will keep the current frequency 2244 6 F the compressor frequency will not be limited For other units When T2 35 6 F and lasts for 3 minutes the indoor has no capacity demand and resume till T22 44 6 F 1 3 2 5 Condenser hi
65. mally Check whether the connecting line of every reactor is normal If the line is No broken the resistance of the two ports is for 18K 24 KBtu h No eplace the compressor check whether the system Yes can work normally Replace the connecting line or reactor or replace the PFC module v Yes Trouble is solved 103 2 4 4 18 P7 malfunction P7 display High temperature protection of evaporator Whether compressor operates Yes y Check whether the heat exchanger is dirty the air outlet is blocked and the indoor fan is running normal No Y Whether the Clean the heat exchanger and the air outlet Check whether the indoor fan is running normal No y Check refrigerant system such as clogging of capillary etc connection is good Yes Check the fesistance value o the sensor via Appendix 1 ls it normal Yes hether the indoor PCB is normal 104 No Troubleshooting No gt Replace the indoor gt Reconnect and retest No Replace the temperature sensor Troubleshooting Appendix 1 Temperature Sensor Resistance Value Table C K 102 115 266 12 6431 2 35774 0 62973 108 146 12 0561 2 27249 101 0 61148 101 517 2 19073 14 5360 1 1 1 1 96532 0 54448 1 89627
66. n The only installation method for the unit with drain pump Remove the side board and the grille For models 48 and 60 do not remove the grille 49 the Indoor unit installation Locate the hanging arm on the hanging screw bolt for some of the models 60 do not do this Prepare the mounting bolts on the unit 0 3 0 5 Screw nut Hangin dede bolt Washer INDOOR UNIT Hanging screw bolt Mounting bolt max 40mm Hanging arm Hang the unit on the hanging arm by sliding backwad Securely tighten the mounting bolts on both side some of the models 60 do not do this Hangin lek bolt N Hanging arm For some of the models 60 please securely tighten the mounting bolts on both sides 50 Indoor unit installation bolt Then install the side panels and grilles back to th e main unit 2 Floor standing installation Hang the indoor unit on the hook The bottom of bo dy can touch with floor or suspended but the body must install vertically 51 3 6 Console indoor unit installation 3 6 1 Service space for indoor unit p P P F P P pl a af 3 6 2 Install the main body Fix the hook with tapping screw onto the wall Hang the indoor unit on the hook Indoor unit installation The bottom of body can touch with floor or suspended but the body must install vertically 52 Indoor unit
67. nal receiver 2 1 4 Icon explanation on indoor display board Duct PRE DEF indicator cooling and heating type or fan only indicator cooling only type Timer indicator Alarm indicator Operation lamp Infrared signal receiver Temporary button Display digital tube C XX MANUAL OPERATION TIMER DEF FAN ALARM 80 T roubleshootin Troubleshooting 2 1 5 Icon explanation on indoor display board Console Infrared signal receiver Operation lamp Timer indicator PRE DEF indicator cooling and heating type or fan only indicator cooling only type Temporary button 2 1 6 Display board of auto lifting panel of 4 way cassette 24K Cassette piita 88 Display Check Button RunninglED TimerlED Defrost LEO Alarm LED 2 1 7 Display board of Ceiling floor indoor unit 24K MANUAL OPERATION TIMER ALARM Q Infrared signal receiver 81 Troubleshootin 2 2 Indoor unit malfunction For Console 12K N Malfunction lamp Running lamp Defrosting Open or short circuit of T1 temperature sensor pis Open or short circuit of T2 temperature sensor X X units Outdoor unit EEPROM parameter error For 12K amp 18K units except console NO Malfunction Running Timer Defrosting Alarm Display nixie lamp lamp lamp lamp tube Open or short circuit of T1 temperature X X senso
68. neindoor unit to the outdoor unit separately The one caused E1error code is defective Problem is solved 91 Troubleshooting 2 4 4 For the outdoor unit 2 4 4 2 EO malfunction EO display Outdoor EEPROM malfunction iu If the EEPROM chip is welded on PCB replace the PCB directly Otherwise No check whether the EEPROM chip plugged in PCB well Yes Y Replace the outdoor main board Insert the EEPROM well v 92 Troubleshooting 2 4 4 3 E2 malfunction Only for 12k Power off then turn on theunit 5 seconds later reconnect the power 15 the error still displaying after several minutes Yes Y Check all the wirings between indoor and outdoor indoor main PCB and outdoor main PCB following the wiring diagram Are all the wirings connected correctly Yes v Measure Vs is it moving alternately between positive value and negative value Vs is the voltage between S and N of outdoor unit Yes v Is the wiring to the indoor main PCB connected correctly Yes Yes 4 Y Change the outdoormain PCB Change the indoormain PCB Y Is the wiring to the outdoormain PCB connected correctly Power on Is the error extinguished Power on Is the error extin
69. ning plate when maintaining air conditi oner fault During normal operation the plug shall be filled in to prevent leakage 6 4 Insulation work of drainage pipe Refer the introduction to the insulation engineering parts 60 Vacuum Drying and Leakage Checking 7 Vacuum Drying and Leakage Checking 7 1 Purpose of vacuum drying Eliminating moisture in system to prevent the phenomena of ice blockage and copper oxidation Ice blockage shall cause abnormal operation of system while copper oxide shall damage compressor Eliminating the non condensable gas air in system to prevent the components oxidizing pressure fluctuation and bad heat exchange during the operation of system 7 2 Selection of vacuum pump The ultimate vacuum degree of vacuum pump shall be 56mmHg or above Precision of vacuum pump shall reach 0 02mmHg or above 7 3 Operation procedure for vacuum drying Due to different construction environment two kinsdof vacuum drying ways could be chosen namely ordinary vacuum drying and special vacuum drying 7 3 1 Ordinary vacuum drying 1 When conduct first vacuum drying connect pressure gauge to the infusing mouth of gas pipe and liquid pipe and keep vacuum pump running for 1hour vacuum degree of vacuum pump shall be reached 55mmHg 2 the vacuum degree of vacuum pump could not reach 55mmHg after 1 hour of drying it indicates that there is moisture or leakage in pipeline system and need to go on with drying for half an
70. ode D The defrosting time achieves 10min 2 3 gt TempQuitDefrost ADD F T3 45 F for 60seconds Defrosting action 4 Way valve longer than 10min Compressor 108 306 Indoor fan Outdoor fan PMV running PMV 8 mins with 480P f eel 1 3 3 5 High evaporator coil temp T2 protection For 12K 18K units 2 gt TEH35 6 F the compressor running frequency decreases to the lower level every 20s When the frequency decreases to F2 and the T2 is still over THE35 6 F for 3 minutes the compressor will stop 2 118 4 F or THE35 6 F lt T2 lt 118 4 F for 6 minutes the frequency will not be limited 12 gt 140 F the compressor will stop and restart when T2 118 4 F 75 Electrical Control Function For other units 122140 F the compressor will stop and restart when T2 129 2 F 1 3 4 Auto mode This mode can be chosen with remote controller setting temperature can be changed between 63 86 In auto mode the machine will choose cooling heating or fan only mode according to AT AT 1 5 For 12K 18K units For other units Indoor fan will run at auto fan of the relevant mode The louver operates same as in relevant mode If the machine switches mode between heating and cooling the compressor will keep stopping for 15 minutes and then choose mode according to T 1 Ts If the setting temperature is mo
71. r Open or short circuit of T2 temperature sensor O 1 2 3 4 5 7 10 11 2 X X X X X Full water malfunction Indoor EEPROM malfunction Communication malfunction between indoor and outdoor units NEN sensor or outdoor EEPROM is malfunction Compressor top temperature protection 1 Outdoor unit over current protection e X X 3 Inverter compressor drive error X O X O light X off xx flash at 2 5Hz at 0 5Hz For 24K Units Malfunction Defrosting Alarm Running lamp Timer Display digital lamp lamp lamp tube Communication malfunction between indoor X X X and outdoor units Open or short circuit of T1 temperature N sensor 82 NO 1 Troubleshooting Open or short circuit of T2 temperature sensor Open or short circuit of T2B temperature sensor PCB and up down panel PCB Communication malfunction between master unit and slave unit Other malfunction of master unit or slave unit X offy flash at 5Hz O flash at 0 5Hz FO F1 F2 is only available for super slim cassette N 2 3 Outdoor unit malfunction for 24K a a and ousoor mansos 5 a _________________ P e Top O es a O O baw O O O ee euni ___ 7 ee LH aie m
72. rature T5 Compressor discharge temperature 1 2 Main Protection 1 2 1 Time delay at restart for compressor 1 2 2 Temperature protection of compressor top The unit will stop working when the compressor top temp protector cut off and will restart after the compressor top temp protector restart 1 2 3 Temperature protection of compressor discharge When the compressor discharge temp is getting high er the running frequency will be limited as below rules For 12K 18K units Compressor discharge temp 5 gt 239 F for 5s compressor stops 226 F lt T5 lt 239 F decrease the frequency to the lower level every 3 minutes till F1 194 F lt T5 lt 221 F keep running at the current frequency 5 194 F no limit for frequency For other units 1 216 F lt T5 lt 239 F decrease the frequency to the lower level every 2 minutes till to F1 1 T5 gt 239 F for 10 seconds the compressor will stop and restart till T5 lt 194 F 1 2 4 Sensor protection at open circuit and breaking disconnection 1 2 5 Indoor fan delayed open function When the unit starts up the louver will be active immediately and the indoor fan will open 10s later If the unit runs in heating mode the indoor fan will be also controlled by anti cold wind function 1 2 6 Fan Speed is out of control When Indoor Fan Speed keeps too low For Super slim cassette less than 200RPM for other units less than 300RPM for 50s the unit wil
73. ted More than 30cm More than 60cm Service space More than 30cm fey m More than 60cm m More than 70cm 34 Indoor unit installation 3 Indoor unit installation 3 1 Compact cassette indoor unit installation 3 1 1 Service space for indoor unit 3 1 2 Bolt pitch Drain side 21 4 Hook location 22 4 Body 25 4 Panel Unit mm 3 1 3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed in upper picture Drill four holes of 212mm 45 50mm deep at the selected positions on the ceiling Then embed the expansible hooks fittings 35 Indoor unit installation Face the concave side of the installation hooks toward the expansible hooks Determine the length of the installation hooks from the height of ceiling then cut off the unnecessary part If the ceiling is extremely high please determindhe length of the installation hook depending on the real situation 3 1 4 Install the main body Make the 4 suspender through the 4 hanger of the man body to suspend it Adjust the hexangular nuts am the four installation hooks evenly to ensure the balance of the body Use a leveling instrument to ma ke sure the levelness of the main body is within f 1e ne MM
74. ter through the water test hole be sure that the water will not touch the motor of drainage pump Ti cover of test hole __ 7 y LLLA Drain plug L i Test hole Power on and let the air conditioner operate fa cooling Check operation status of drainage pump and then connect the plug of water level switch check the operation sound of water pump and observe whether the water can discharge through the transparent hard pipe at drainage outlet In light of the length of drainage pipe water shall be discharged about 1 minute delayed otop the operation of air conditioner power off the power supply and put the cover of water test hole back to the original place After stopped the air conditioner 3 minutes check whether there is anything abnormal If drainage pipes have not been distributed properly over back flowwater shall cause the flashing of alarm indicator at remote controlled receiving board and even water shall run over the water collector Continuously infusing water until water level armed check whether the drainage pump could discharge water at once If water level does not decline under warning water level 3 minutes later it shall cause shutdown of unit When this situation h appens the normal startup only can be recovered by turning down power supply and eliminating accumulated water Note Drain plug at the main water containing plate is used for eliminating accumulated water in water contai
75. the Energy Saving operation mode 6 LOCK Button Push this button to lock in all the current settings To release settings push again 7 CANCEL Button Push this button to cancel the TIMER settings 8 TIMER Button This button is used to preset the time ON start to operate and the time OFF turn off the operation 9 ON OFF Button Push this button to start the unit operation Push the button again to stop the unit operation 110 Controller 10 FAN SPEED Button This button is used for setting fan speed in the sequence that goes from AUTO LOW MED to HIGH and then back to Auto 11 TEMP UP Button Push this button to increase the indoor temperature setting or to adjust the timer in a counter clockwise direction 12 VENT Button Push this button to set the ventilating mode The ventilating mode will operate in the following sequence Continuous Auto OT Ventilation Function is available for the Fresh Star Seres 3 1 3 RGOSF2 BGEU1 MORE minm TH TM ia MODE FAN SPEED La 00 O amp ea j za General Function for wireless remote controller __ M l 2 RGOSF2 BGEU1 Rated voltage 3 0V Dry batteries RO3 LRO3x2 Operation condition 239F 140 F 5 60 C 111 Controller Buttons and functions 1 ON OFF Button Push this button to start the unit operation Push the button again to stop the unit operation 2 MODE Once pressing runnin
76. the ropes enwinded or blocked Hook panel B 4 lt qu X V Water receiver SL 4 Cross screwdriver Tighten the screws under the panel hooks till the panel closely stick on the ceiling to avoid condensate water 41 Indoor unit installation D Loosen upper nut 2 M C zz G t allowed Ci 2 Adjust lower nut Leakage Ceiling m Www Jn Water condensation a Pollution Hang the air in grill to the panel then connect the lead terminator of the swing motor and that of the control box with corresponding terminators on the body respectively Install the 4 corner covers back Installation cover s rope Tap Screw Slide the four sliders in the corresponding channel when installing the cover Note The panel shall be installed after the wiring connected 42 Indoor unit installation 3 3 A5 duct indoor unit installation 3 3 1 Service space for indoor unit 7 8 or more 11 8 or more Fi FALLET 23 0 x 23 0 checking orifice 3 3 2 Bolt pitch Electric control box Size of outline dimension mounted plug Capacity KBtu 13 7 3 3 3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed in upper picture Drill four holes of 212mm 45 50mm deep at the selected positions on the ceiling Then embed the expansible hooks fittings 42 Indoor unit installation 3 3
77. the selected pipe with pipe cutter Make the section flat and smooth 2S X Fal Lean Crude Burr Lp LDP 5 2 5 Insulate the copper pipe Before test operation the joint parts should not be heat insulated 5 2 6 Flare the pipe Min 0 3 0 47 0 73 Insert a flare nut into the pipe before flaring the pipe According to the following table to flare the pipe eam __ Pipe diameter Flare shape ___ 00 4e 1 4 6 35 0 34 we owe After flared the pipe the opening part must be seal by end cover or adhesive tape to avoid duct or exogenous impurity come into the pipe 5 2 7 Drill holes if the pipes need to pass the wall 5 2 8 According to the field condition to bend the pipes so that it can pass the wall smoothly 5 2 9 Bind and wrap the wire together with the insulated pipe if necessary 5 2 10 Set the wall conduit 5 2 11 Set the supporter for the pipe 54 Refrigerant pipe installation 5 2 12 Locate the pipe and fix it by supporter For horizontal refrigerant pipe the distance betwe en supporters should not be exceed 1m For vertical refrigerant pipe the distance between supporters should not be exceed 1 5m 5 2 13 Connect the pipe to indoor unit and outdoor unit by using two spanners Be sure to use two spanners and proper torque to fasten the nut too large torque will d
78. ting action For 12K units no longer than 10min Compressor F2 off on on 4 on off off Outdoor fan off on i Indoor fan br eze 10s For 18K units 73 no longer than 10min on gt 105 4 F8 Compressor 22 on 4 way valve on Outdoor fan on Indoor fan breeze 10s For 24K amp 48K units Condition of defrosting 451 45 LP H 45 LP H Time conditions time1 Time conditions Meet the following conditions 1 Running in heating mode 2 4237 4 F 3 Compressor is on 4 lt TempEnterDefrost ADD F Cleared conditions Meet any one of the following conditions 1 Compressor is off 2 T3 TempEnterDefrost ADD F Time2 Time conditions Meet the following conditions 1 Running in heating mode 2 T4 lt 37 4 F 3 Compressor is on 4 lt TempEnterDefrost ADD F Cleared conditions Meet any one of the following conditions 1 Compressor is off and T3 gt TempEnterDefrost ADD 3 6 F last for 20 minutes 2 Running in cooling mode 3 Compressor is off for 1 hour 74 Electrical Control Function Electrical Control Function Condition of entry defrosting time1 time2240 minutes When defrosting is end time1 and time2 are cleared Condition of ending defrosting If any one of following items is satisfied defrosting will stop and the machine will turn to normal heating m
79. ting temperature rises 1 8 F be lower than 80 every one hour 2 hours later the setting temperature stops rising and the indoor fan is fixed at low speed When heating the setting temperature decreases 1 8 F be higher than 63 F every one hour 2 hours later the setting temperature stops rising and indoor fan is fixed at low speed Anti cold wind function has the priority 1 3 7 3 Operation time in sleep mode is 7 hours After 7 hours the AC quits this mode but doesn t turn s off 1 3 7 4 Timer setting is available 77 Electrical Control Function 1 3 8 Auto Restart function The indoor unit is equipped with auto restart funct ion which is carried out through an auto restart m odule In case of a sudden power failure the module memorizes the setting conditions before the power failure The unit will resume the previous operation setting including Swing function automatically after minutes when power returns 1 3 9 Drain pump control For Duct amp Cassette Adopt the water level switch to control the action of drain pump Main action under different condition every 5 seconds the system will check the water level one time 1 When the A C operates with cooling including au to cooling dehumidifying and forced cooling mode the pump will start running immediately and continuousl y till stop cooling 2 Once the water level increase and up to the control point LED will alarm and the drain pump open and cont
80. x 2 y Replace the compressor discharge temp sensor Yes v Replace outdoor main board is solved 4 101 Troubleshooting 2 4 4 15 P5 malfunction When condenser high temp is more than 149 F the unit will stop and unit runs again when outdoor pipe temp less than 125 F P5 display High temperature protection of condenser Replace the temperature sensor Check whether the condenser temperature is 0 more 149 F Check whether the No resistance of condenser temp sensor is correct Replace outdoor main board refer to the Appendix 1 Yes Y Judge 1 Check whether the outdoor ambient temperature is higher than 149 Y me Yes gt Clean the heat exchanger heat exchanger is dirty No No Judge 3 The refrigerant Let the refrigerant out then use the high Yes gt pressure nitrogen or refrigerant to blow pipe pipe is blocked vacuumize and charge the refrigerant again 102 Troubleshooting 2 4 4 16 P6 malfunction For single phase units At first test the resistance between every two port of U V W of IPM and P N If any result of themis 0 or close to 0 the IPM is defective Otherwise please follow the procedur

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