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Service Manual

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1. 34 Exploded Views and Parts list 8 2 Parts List e Indoor Unit 1 18K GAN A180GVR Product Code CB146N0360 ront Panel ilter Sub Assy crew Cover ront Case Assy uide Louver Air Louver Helicoid tongue Left Axile Bush Rear Case assy Rubber Plug Water Tray O Gasket sub assy of Bearing O Gasket of Cross Fan Bearing Evaporator Support Cold plasma generator sub assy Evaporator Assy Wall Mounting Frame Cross Flow Fan Motor Press Plate Fan Motor Pipe Clamp Drainage hose Step Motor Crank Electric Box Assy Electric Box Axile Bush ndicator Light Cover 8 ndicator shield cover 9 Terminal Board 0 Jumper 31 Electric Box Cover2 Main Board 33 Display Board 34 Shield Cover of Electric box Cover 35 Electric Box Cover 36 hield cover of Electric Box 7 Power Cord 8 Connecting Cable 39 Remote Controller J 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 Q N SN OW N lt OW oO ME NN ERU 8 9 00 Oo ss S 13 S 44 0 15 16 I wa sss 20 22 29 _ 24 2 2 27 28 290 3 391 32 38 34 3 36 Ek 38 39 The above data are subject to be changed without notice 36 e Outdoor Unit 1 18K D ipti Pro
2. terminal of PG motor tightl yes gntly q no Eliminate the es gt malfunction y heck whether the control end of PG motor no is connected tight Insert the control end of PG motor tightly yes YT iminate the e no uw yes gt ull the blade b hand to see whether no he blade can rotat smoothly Re assemble the blade and motor correctly yes iminate the m no yes gt Turn on the unit after re energization measure whether the output voltage on control end for PG yes motor is more than 50V yes Jl yes Whether the motor is started up Replace PG motor Eliminate the no malfunction yes Replace the control panel eD Troubleshooting 3 Jumper cap malfunction C5 No jumper cap on the controller yes Please install the correct jumper cap no a no liminate the malfunction Whether the jumper cap is inserted no correctly and ightl Insert the jumper cap tightly yes E no yes Replace the jumper cap with the same model Eliminate the malfunction no yes yes p Replace the control panel era 4 PG motor indoor fan circuit malfunction by zero crossing detection U8 Replace the controller with the same model NND 48 Troubleshooting 4 2 Outdoor unit 1 Key inspection point F
3. 1NTML39 79 INDIR Throttling Method Capillary ElectoneXpansionvave Condenser Form 4 Aluminum Fin copper Tube AluminumFin copperTube FanMotrSped mpm 60 690 Output of Fan Motor WO e Outdoor Unit mr Axafiw AxaMlw DefrostingMethod Autodefrost Autodefrost Climate Type MM isoltion S S E G E Moisture Protection o o P4 C IP 3 8 Permissible Excessive Operating Pres f MPa 3 8 sure for the Discharge Side Permissible Excessive Operating Pres f f MPa 1 2 1 2 sure for the Suction Side GrssWeght kg 5 6 1 60 9 Refrigerant RAO RAO Connection Outer Diameter Liquid Pipe mm POH 9 Pipe The above data 1s subject to change without notice Please refer to the nameplate of the unit Specifications 2 2 Operation Characteristic Curve 18K Cooling 11 10 F Conditions Indoor DB27 C WB19 C 9 H Outdoor DB35 C WB24 C g Indoor air flow High Pipe length 5m lt 1 6 2 5 2 O 4 3 2 1 10 20 30 40 50 60 70 80 90 Compressor speed rps 24K lt Cooling gt 11 7 10 F Conditions Indoor DB27 C WB19 C 9 F Outdoor DB35 C WB24 C g Indoor air flow High Pipe length 5m lt 6 5 5 O 4 3 2 1 0 10 20 30 40 50 60 70 80 90 Compress
4. z gt I Z for Over 30cm e E WE net Over 50cm c c CCC 4 Refrigerant System Diagram 4 1 18K 1 Cooling Only Models INDOOR UNIT Refrigerant System Diagram OUTDOOR UNIT GAS SIDE gt K gt K 3 WAY VALVE FE HEAT EXCHANGE EVAPORATOR Accumlator COMPRESSOR HEAT EXCHANGE CONDENSER LIQUID SIDE i OK OK C QUU C 2 WAY VALVE Strainer Capillary Strainer COOLING 2 Cooling amp Heating Models INDOOR UNIT OUTDOOR UNIT GAS SIDE i ca JL kujo e 3 WAY VALVE HEAT j EXCHANGE EVAPORATOR COMPRESSOR HEAT EXCHANGE CONDENSER Y LIQUID SIDE Le i OK K CJ 000 CJ 2 WAY VALVE otrainer Capillary Strainer 1 Refrigerant pipe diameter Liquid 1 4 6 mm Gas 1 2 12 mm lt COOLING HEATING i Refrigerant System Diagram 4 2 24K 1 Cooling Only Models INDOOR UNIT GAS SIDE PEI gt K 3 WAY VALVE HEAT EXCHANGE EVAPORATOR LIQUID SIDE 2 Cooling amp Heating Models INDOOR UNIT an GAS SIDE HEAT EXCHANGE EVAPORATOR Refrigerant pipe diameter Liquid 1 4 6 mm Gas 1 2 12 mm OUTDOOR UNIT Vi Accumlator COMPRESSOR EXCHANGE CONDENSER TE Strainer Expansion valve Strainer lt COOLING OUTDOOR UNIT HEAT EXCHANGE CONDENSER Strainer Expansion valve Strainer COOLING
5. 66 24K 251027 701035 Super High NOTES 1 Measure surface temperature of heat exchanger pipe around center of heat exchanger path U bent Thermistor thermometer 2 Connecting piping condition 5 m 3 P pressure of air pipe connected to the indoor and outdoor units gas valve side T1 Inlet and outlet temperature for evaporator T2 Inlet and outlet temperature for condenser 2 5 Noise criteria curve tables for both models Indoor side noise when blowing 50 lt m Cooling D 40 a 2 a 7 Oo D O z 30 Low Middle High Indoor fan motor rotating speed 20 30 40 50 60 70 80 90 Compressor frequency Hz Construction views 3 Construction Views 3 1 Indoor Unit lM I C AM DII KK Over 15mm Model W mm H mm D mm 18K 865 305 215 24K 1008 319 221 Construction views 3 2 Outdoor Unit 560
6. High discharge compressor Overcurrent protection Communication Malfunction resistant protection Circuit PG moto indoor fan has circuit malfunction by ero Cross detection PG moto indoor fan motor does not operate Malfunction protection umper cap Indoor ambient emperature eo Sensor open short circuited Indoor evaporator emperature sensor open short circuited Code Display Display Method of Indoor Unit Indicator Display during blinking Dual 8 ON 0 5s and OFF 0 5s Operation Indicator OFF 3s and blink once OFF 3S and blink twice OFF 3o and blink 4 times OFF 3S and blink 5 times OFF 3o and blink 6 times OFF 3S and blink 8 times OFF 3S and blink for 17 times OFF 3S and blink 11 times OFF 3S and blink 15 times Display Method o Outdoor Unit Indicator has 3 kinds o display status and they ill be displayed circularly every 5s OFF mON Blink AJC status Possible Reasons reasons 1 Refrigerant was During cooling superabundant 2 Poor heat exchange including operation except n dfilth blockage of heat exchanger and bad radiating operates all loads stop operation I environment During heating operation the Ambient temperature is too high complete unit stops
7. After turning off the power source if touching the charging section before discharging an electrical shock may be caused Discharge the electrolytic capacitor completely by using soldering iron etc Discharging method 1 remove the inverter cover Outdoor Unit Inverter cover a P C board Soldered surface 2 As shown below connect the discharge resistance approx 100 9 20W or plug of the soldering iron to voltage between terminals of the electrolytic capacitor test 3 D and E point on PC Board for 30s and then peformer discharging 40 Troubleshooting J Lae eee l N e LE mw pe i 2 G Ny d d 0 i i a r 4 4 a ate bre T 1 NT isa j MM da IIT PEE 2 zr pre E pa L T lt MN ajii NEIGE E L M VR f Tear a rip Tr da aire i E e ael slal al L i 54 m pes OUO O eis J ro i EX rug L RM ri a ien ed LP avaraj ETag aan kk B LLLA FEEN Kad VUH 4 1 K R RN N s k ege 3 Rinsa 5 A 9 2 Confirmation 1 Confirmation of Power Supply Confirm that the power breaker operates ON normally 2 Confirmation of Power Voltage Confirm that power voltage is AC 220 230 240 10 If power voltage is not in this range the unit may not operate normally 41 Troubleshooting 9 3 Blinking LED of Indoor Outdoor Unit and Primary Judgement Malfunction Name High pressure protection system Antifreezing
8. HEATING Schematic Diagram 5 Schematic Diagram 5 1 Electrical Data Meaning of marks e Indoor Unit Symbol Color symbol Symbol Color symbol BU BLUE BN BROWN YE YELLOW BL BLUE RD RED ss BK BLACK YEGN YELLOW GREEN PROTECTIVE EARTH e Outdoor Unit Symbol Symbol Color symbol Symbol Color symbol CBB61 BROWN WH WHITE CBB65 BLUE YE YELLOW SAT OVERLOAD BK BLACK RD RD COMP COMPRESSOR OG ORANGE YEGN YELLOW GREEN PROTECTIVE EARTH WH WHITE EE 5 2 Electrical wiring These circuit diagrams are subject to change without notice please refer to the one supplied with the unit e Indoor Unit RECEIVER AND TUBE ROOM DISPLAY BOARD S TEM SENSOR TEM SENSOR y EE N L ay oy Y RT2 RTI TEON AG TERMINAL L BLOCK le Lo FL I a CAP 2BK p a rr g 3BN iG BN s L JUNP SWING UD PGF EARTH PLATE E LA RD BU 10 Schematic Diagram 11 e Outdoor Unit Please don t touch any terminal when the voltage of terminal P DC and N DC at AP1 is higher than 30V to prevent the risk een EONO TALSENSOR of electrical shock RT RT21 Rap 1YE 28 RD PE AKI e 1 C N a WH BK YE BU B I I B RD PEG T SENSOR OVC COMP BU 5 BK e COM INNER 1 AP1 BN TERMINAL BLOCK INDC1 INDC2 PFCC1 PFCC2 PE These circuit diagrams are subject to c
9. TOYOTOMI b Service Manual MODEL GAN A180GVR GAG A180GVR GAN A240GVR GAG A240GVR Refrigerant R 410A Table of Contents Content summary and Features 1 Safety Precautions 2 Specification 2 1 Unit Specification 2 2 Operation Characteristic Curve 2 3 Capacity Variation Ratio According to Temperature 2 4 Operation Data 2 5 Noise criteria curve tables for both models 3 Construction Views 3 1 Indoor Unit 3 2 Outdoor Unit 4 Refrigerant System Diagram 4 1 18K 4 2 24K 5 Schematic Diagram 5 1 Electrical Data 5 2 Electrical wiring 5 3 Printed Circuit Board 6 Function and Control 6 1 Remote Controller Description 6 2 Changing batteries and notices 6 3 Unit indication section 6 4 Unit ON OFF button 6 5 Description of Each Control Operation aan N N o 00 10 10 10 12 17 17 20 20 20 21 Table of Contents 7 Installation Manual 26 7 1 Tools Required for Installation 26 not supplied 26 7 2 Installation Position Selection 26 7 3 Installation of Indoor Unit 26 7 4 Installation of Outdoor Unit 30 7 5 Test Operation 31 8 Exploded Views and Parts List 32 8 1 Exploded View 32 8 2 Parts List 36 9 Troubleshooting 40 9 1 Precautions before Performing Inspection or Repair 40 9 2 Confirmation 41 9 3 Flashing LED of Indoor Outdoor Unit and Primary Judgement 41 9 4 How to Check simply the main part 46 9 5 2 way 3 way Valve Appearance 64 Indoor Unit GAN A180GVR
10. cold plasma GAN A240GVR cold plasma Outdoor Unit GAG A180GVR GAG A240GVR Remote control window YB1F2 Summary and features Summary and features Safety Precautions 2 Safety Precautions Important Please Read Before Startina This air conditioning system meets strict safety and operating standards As for the installer or service person it is an important part of your job to install or service the system and then the unit can operate safely and efficiently To prevent injury to the user or other people and property damage the following instructions must be followed Follow each installation or repair step exactly as shown Observe all local state and national electrical codes e Pay close attention to all warning and caution notices given in this manual About the pictures AX Warning Erroneous handing gives a high possi bility to induce serious results such as death or heavy injury Erroneous handing may induce serious injury depending on the situation N Warning All electric work must be performed by licensed technician ac cording to local regulations and the instructions given in this manual Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked e Highly dangerous electrical voltages are used in this system Carefully refer to the wiring diagram and these ins
11. is displayed In this case pressing any button blinks three times and J About switch between fahrenheit and cenrigrade At unit OFF press MODE and buttons simultaneously to switch between C and T 19 Function and Control 6 2 Changing Batteries and Notices 1 Remove the battery cover plate from the rear of the remote controller As shown in the figure 2 Take out the old batteries 3 Insert two new AAA1 5V dry batteries and pay attention to the polarity 4 Reinstall the battery cover plate NOTE e When replacing the batteries do not use old or different batteries otherwise it may cause malfunction e If the wireless remote controller will not be used for a long time please remove batteries to prevent damage from leaking batteries The operation should be performed in its receiving range e t should be kept 1m away from the TV set or stereo sound sets e If the wireless remote controller does not operate normally please take the batteries out and replace them after 30 seconds If it still can t operate Sketch map for properly replace the batteries changing batteries 6 3 Unit indication Section 1 When the unit is energized all the display marks will be shown and only the power LED lights 2 When the unit is turned on remotely the power LED goes out while the IO M current setting running mode is displayed LIL C cook light blue 3 During defrosting H1 is displayed
12. Hj n ng lai fal fmi d d do Li A Zl LL i al aieiaiee 1S p Ki Duo L nip Ta aa Bec T Dr uin AL i i E a PESE atis Ju TEE TT Ti l ik LE EET LE hH TTE CR 3 1 iege E T F www Bla miw fal fe sa mua sisi Treaty TF Test 10 Test 11 Test 16 49 Troubleshooting Test point No Test point Corresponding component Test value under normal situation Testi Testi Between A and C Neutral wire and live wire 160V 265V Between B and C Neutral wire and live wire 160V 265V Between D and E Electrolytic capacity of DC bus bar 180VDC 380VDC Test 4 Between F and G Electrolytic capacity of switch power 180VDC 380VDC e 7 d LN supply C56 12V power supply 12V43VDC 41 Test 10 M forward to GND M terminal of R75 forward to ground Jump between 0 3 3V ee W memes s Test 11 N forward to GND N terminal of R78 forward to ground Jump between 0 3 3V CUNT a Test 12 Receiving terminal of optical coupling Jump between 0 3 1 7V L mmt AN Test 13 Sending terminal of optical coupling Jump between 0 1 1V NNNM uis Test 14 Sending terminal of optical coupling Jump between 0 1 1V ee totes AN Test 15 Receiving terminal of optical coupling Jump between 0 24V E mem ee Test 16 Between S T Power supply of communication ring 56VDC 50 Troubleshooting 2 Capacity charging malfunction outdoor unit malfunction AP1 below is control board of outdoor unit Main detect
13. Mode Icon After energization all the icons will be displayed for once In standby status the operation indicator will be in red If turn on the unit by remote controller the operating indication icon will be bright Meanwhile the current setting operation mode will be displayed mode indicator cooling indicator heating indicator dry indicator If turn off the light button all displays will be turned off Temperature display control mode for split type unit 1 When user set the remote controller as the setting temperature display status the current setting temperature will be displayed on remote controller 2 Only when the remote control signal is switched to indoor ambient temperature display status from other display status controller will display the indoor ambient temperature for 5s and then turn back to display the setting temperature 3 When user hasn t set the temperature displaying status it will be displayed according to the setting temperature 2 Malfunction Display of Indoor Unit 21 Function and Control When multiple malfunctions occurred simultaneously malfunction protection codes will be displayed in cycle 3 Other Control Target 1 Up amp down swing function the mode for swing motor is MP28EA After energization up amp down swing motor will firstly let the horizontal louver anticlockwise rotate to position O to close air outlet If swing function has not been set after startup of the unit up amp down
14. at setting speed c If the unit is turned off when the compressor is operating in heating mode or auto heating mode up amp down horizontal louver will rotate to horizontal position L The indoor fan will be stopped after operating for 60s at setting speed 5 Auto Mode 1 When Tamb 226 C the unit will operate in cooling mode The implied setting temperature is 25 C Fahrenheit 77 F 2 Heat pump type when Tambs22 C the unit will operate in heating mode The implied setting temperature is 20 C Fahrenheit 68 F 3 Cooling only unit when Tamb lt 25 C the unit will operate in auto mode The implied setting temperature is 25 C Fahrenheit 77 F 4 When 23 CsTindoor amb x25 C the unit will operate in auto fan mode if the unit is turned on and enters into the auto mode for the fist time If the unit is switched to auto mode from other mode it will keep the previous operation mode if the unit is switched to auto mode from dry mode the unit will operate at auto fan mode 2 Display Status of Indoor Indicator 1 Status of Indoor Display Board 1 After energization all the icons will be displayed and then only the power indicator is bright When the unit is turned on by remote controller the operation indicator will be bright Meanwhile the current setting operation mode will be displayed 2 During defrosting dual 8 will display H 3 Dual 8 displays setting temperature Display of Operation Icon and
15. indoor board Y Replace outdoor mainboard AP1II 59 f the malfunction is removed mn gt 10 Diagnosis process for outdoor communication circuit Test voltage value with Test 10 position in diagram with voltage meter Number jumping Y y Test voltage value with Test 15 position in diagram with voltage meter Y Number jumping Y v Test voltage value with Test 11 position in diagram with voltage meter Y Outdoor unit malfunction A Number jumping Y Test voltage value with Test 12 position in diagram with voltage meter Number jumping Y Y The circuit of outdoor unit Finish communication is normal Troubleshooting 60 Troubleshooting gt D D 2 o x A D L 77 r O 2 O D RV D O h gt D 5 mr D D Q mr C A D CD D 5 G O S o 9 Q O O S O 2 Q O C mr Q O O C 2 r 7 Temp C2 19 18 17 16 15 14 13 12 11 10 Resistance Temp Resistance Temp Resistance Temp Resistance k2 Nep k Q CC k Q CC k Q 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 138 1 128 6 121 6 115 108
16. is set as 16 23 C after starting up the sleep function the temperature will increase by1 C every one hour After the temperature has increased by 3 C the unit will keep this temperature When the unit has operated for 7 hours the temperature will decrease by 1 C and then the unit will operate at this temperature all the time 2 When the initial temperature is set as 24 27 C after starting up the sleep function the temperature will increase by1 C every one hour After the temperature has increased by 2C the unit will keep this temperature When the unit has operated for 7 hours the temperature will decrease by 1 C and then the unit will operate at this temperature all the time 3 When the initial temperature is set as 28 29 C after starting up the sleep function the temperature will increase by1 C every one hour After the temperature has increased by 1 C the unit will keep this temperature When the unit has operated for 7 hours the temperature will decrease by 1 C and then the unit will operate at this temperature all the time 4 When the initial temperature is set as 30 C the unit will operate at this temperature After the unit has operate for 7hours the temperature will decrease by 1 C and then the unit will operate at this temperature all the time During Heating Mode 1 When the initial temperature is set at 16 C the unit will operate at this temperature all the time 2 When the initial temperature is set as 17 20 C after starti
17. module overheating protection for 6 times it can not resume running automatically and display malfunction it can resume by pressing ON OFF During operation if the time exceeds compressor running time the time of module overheating protection stop will zero clearing When the unit is off shifts to fan mode the malfunction and malfunction times will zero clearing If the malfunction can not resume the shifting mode can clear malfunction 17 Compressor overload protection 1 If the switch of compressor overload de energized is detected for 3S continuously the system will stop as protection 2 If the overload protection is resumed and compressor has stopped for 3min the unit will be allowed to operate 3 If the unit stops as compressor overload protection occurred for 3 times continuously it can not resume running automatically and display malfunction it can resume by pressing ON OFF and the times of compressor overload protection will be cleared after the compressor has run for 30min 25 7 Installation Manual o Important Notices 1 The unit installation work must be done by qualified personnel according to the local rules and this manual 2 Before installing please contact with local authorized maintenance center if unit is not installed by the authorized maintenance center the malfunction may not solved due to discommodious contacts 3 When removing the unit to the other place please firstly contact with the authori
18. not be displayed on the LCD and the unit will automatically select the suitable operation mode in accordance with the room temperature to make indoor room comfortable EN Press this button to decrease set temperature Holding it down above 2 seconds rapidly decreases set temperature In AUTO mode set temperature is not adjustable E Press this button to increase set temperature Holding it down above 2 seconds rapidly increases set temperature In AUTO mode set temperature is not adjustable FAN This button is used for setting fan speed in the sequence that goes from AUTO a ad to 4d 1 then back to Auto p wr 48 a a Lowspeed ad Medium speed 4 High speed B 21 A l e Press gt l button to start or stop up amp down swing function The remote controller defaults to simple swing condition Press button and gt l button at the same time at unit OFF to switch between simple swing and static swing SI e blinking 2 seconds d In static swing condition press SI button the swing angle of up amp down horizontal louver changes as below 7 SI gt l gt gt A X orr 21 gt lt 541 e f the unit is turned off during swing operation the louver will stop at present position HEALTH SAVE Press HEALTH part of this button to turn on or off HEALTH function Pressing SAVE part of this button is displayed and the unit goes into SAVE operation mode Press SAVE pa
19. the Do not put the drain drain hose end hose end in the into water drainage ditch 5 Put water in the drain pan and make sure that the water is being drained outside Caution Install the drain pipe for proper drainage Improper drainage can result in water dripping inside the room 7 4 Installation of Outdoor Unit 4 1 Draining the Water Holes are provided on the base plate of the outdoor unit to en sure that the defrost water produced during heating operations is drained off efficiently Ifa centralized drain is required when installing the unit on a bal cony or wall If the drain port is covered by a mounting base or floor surface place additional foot bases of at least 30mm in height under the outdoor unit s feet n cold areas do not use a drain hose with the outdoor unit Otherwise drain water may freeze impairing heating perfor mance Installation Manual Drain water hole Bottom frame SS Drain plug AS Drain connecter Hose available commercially inner dia 16mm 4 2 Refrigerant Piping Connection Remove the Valve cover from the unit by loosening the screw Align the center of the pipings and sufficiently tighten the flare nut by hand Finally tighten the flare nut with torque wrench until the wrench clicks Outdoor unit Liquid side piping Smaller diameter 2 Overlap the connection pipe insulation material and the indoor unit pipe insulation material Bind
20. to withstand the full weight and vibration of the unit 5 Be sure to leave enough space to allow access for routine main tenance The height of the installed location should be 250cm or more from the floor 6 Select a place about 1m or more away from TVset or any other electric appliances 7 Select a place where the filter can be easily taken out 8 Make sure that the indoor unit installation should accord with in stallation dimension diagram requirements 9 Do not use the unit in the immediate surroundings of a laundry a bath a shower or a swimming pool 2 Outdoor Unit 1 Select a location from which noise and outflow air emitted by unit will not annoy neighbors animals plants 2 Select a location where there should be sufficient ventilation 3 Select a location where there should be no obstructions cover the inlet and outlet vent 4 The location should be able to withstand the full weight and vibra tion of the outdoor unit and permit safe installation 5 Select a dry place but do not expose the unit under the direct sunlight or strong wind 6 Make sure that the outdoor unit installation dimension should accord with installation dimension diagram convenient for mainte nance repair 7 The height difference of connecting the tubing within 5m the length of connecting the tubing within 10m 8 Select a place where it is out of the reach for children 9 Select a place where will not block the passage and do not inf
21. 514 99 3418 9 5 2 way 3 way Valve Appearance 2 way Valve Liquid Side Hexagonal wrench 4mm Flare nut LIA Open position FA Closed position Z connection To outdoor unit Shaft position Shaft position Closed Closed with valve cap with cap Closed pping with valve cap Air purging Closed Installation clockwise Troubleshooting 3 way Valve Gas Side Valve cap Open position Closed position Pin Flare nut piping rvi i OI s Se ce Service port cap port To outdoor unit Service port Closed Open clockwise with vacumm pump Operation Open Open Closed with valve cap with valve cap with cap Closed Pumping down clockwise Transfering B Evacuation 3 Servicing Gas charging Servicing Pressure check Servicing Gas releasing 6 Servicing Open with charging cylinder Open counter clockwise connected manifold gauge Open with charging cylinder Open with charging cylinder Open Open with charging cylinder 64 Troubleshooting Air purging CAUTION Do not leak the gas in the air during Air purging Outdoor unit Lo Q 777 77 U OPEN fff CLOSE g Procedure 1 Connect the charge hose from the manifold valve to the service port of the gas side packed valve 2 Connect the charge hose to the port of the vacuum pump 3 Open fully the low pressure side han
22. 7 102 9 97 4 92 22 87 35 82 75 18 43 14 35 10 5 66 88 63 46 60 23 57 18 54 31 51 59 49 02 46 6 44 31 42 14 40 09 38 15 36 32 34 58 32 94 31 38 29 9 28 51 27 18 25 92 24 73 23 6 22 53 21 51 20 54 19 63 18 5 17 93 17 14 16 39 15 68 59 3 848 3 711 3 579 3 454 3 333 3 217 3 105 2 998 2 896 2 197 2 102 2 611 2 523 2 439 2 358 2 28 2 206 2133 2 064 1 997 1 933 1 871 1 811 1 754 1 699 1 645 1 594 1 544 1 497 1 451 1 408 1 363 1 322 1 282 1 244 1 207 1 171 1 136 1 103 1 071 1 039 1 009 0 98 0 952 0 925 0 898 0 873 0 848 0 825 0 802 0 779 0 58 0 737 0 717 0 697 0 678 61 62 63 64 65 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 14 36 13 74 13 16 12 6 12 07 11 57 11 09 10 63 10 2 9 779 9 382 9 003 8 642 8 297 1 967 7 653 7 352 7 065 6 791 6 529 6 278 6 038 5 809 9 009 9 9 9 5 197 4 986 4 802 4 625 4 456 4 294 4 139 3 99 67 70 71 12 13 74 19 76 f 78 19 5 4 3 2 1 0 642 0 625 0 608 0 592 0 577 0 561 0 547 0 532 0 519 0 505 0 492 0 48 0 467 0 456 0 444 0 433 0 422 0 412 0 401 0 391 0 382 81 82 83 84 85 87 10 88 11 12 19 14 19 16 17 18 19 91 92 93 94 95 C 97 61 Troubleshooting Appendix 2 Resistance Table of Outdoor a
23. During cooling and dryingf1 Poor air return in indoor unit operation compressor and 2 Fan speed is abnormal outdoor fan stop while indoor fan 3 Evaporator is dirty operates During cooling and drying operation compressor and n Please refer to the malfunction analysis discharge outdoor fan stop while indoor fan protection overload operates During heating operation all loads stop During cooling and drying 1 Supply voltage is unstable compressor and operation 2 Supply voltage is too low and load is too high outdoor fan stop while indoor fan a I 3 Evaporator is dirty operates During heating operation all loads stop During cooling operation compressor stops while indoor fan I Refer to the corresponding malfunction analysis motor operates During heating operation the complete unit stops During cooling operation compressor will stop while indoorfRefer to the malfunction analysis overload high an will operate During heating temperature resistant operation the complete unit stops Operation of remote controller o control panel is available but the 1 Control board is damaged unit won t act Poor connection for PGF in circuit diagram he complete unit will v Malfunction of indoor unit s control panel AP1 operation Malfunction of indoor unit s motor M1 I Poor connection for the jumper cap on indoor unit s he complete unit will control p
24. L normal there s malfunction for the circuit please replace the control panel AP1 During cooling and drying operation the compressor williThere s circuit malfunction on outdoor units control stop while indoor fan will operate panel AP1 please replace the outdoor units control During heating operating thelpanel AP1 complete unit will stop operation During cooling and drying operation compressor will stop Refer to the malfunction analysis IPM protection hile indoor fan will operate floss of synchronism protection and overcurrent During heating operation thelprotection of phase current for compressor complete unit will stop operation Defrosting will occur in heating mode Compressor will operate It s the normal state hile indoor fan will stop operation Troubleshooting Malfunction Name Indicator Display during blinking Dual 8 ON 0 5s and OFF 0 5s Code Display Operation COOL Heating Indicator Indicator Indicator OFF 3S and blink 3 times Overload I OG protection fo compressor OFF 3S System I and blink N H4 abnormal OFF 3S and blink 5 times N OI C2 NO N N N C2 C1 IPM protection OFF 3S and blink 6 times N Oo I O e T4 PFC protection OFF 3S and blink 7 times Desynchronizing I of compressor Decrease requency due to high temperature OFF 3S and blink 10 times N CO resistant during heatin
25. ailure may be incurred At emergency status if you smell something burning stop the operation and turn off the power immediately Specifications 2 Specification 2 1 Unit Specification Model J GAN GAG A800 VR GAN GAG A240GVR ProdutCode J CB1460060 CB14600370 Power Supply Phases 11 1 OO Power Supply Mode indor X Indor Heating Power Input Min Max 11 98 Dehumidifying Volume 1 8 SER WW 0 0 7 HSPE WW GAN A240GVR FanType 0 Crossflow Crossflow Fan Motor Cooling Speed SH H M L SL Fan Motor Heati d SH H M L SL Input of Heater W J J N Evaporator Form AluminumFin copper Tube AluminumFin copperTube mm magor Unit Swing Motor Model MP2B8WB 6 MP3SXX Fuse PCB 3 15A PCB 3 15A Sound Pressure Level SH H M L SL Sound Power Level SH H M L SL Dimension WXHXD 865X305X215 1008X319X221 Di i f Carton B L W H Di i f Pack Ma AM 948X383X310 1076X398X328 Net Weight Gross Weight Specifications Model of Outdoor Unit GAG A180GVR GAG A240GVR China Resources Shenyang China Resources Shenyang Compressor Manufacturer Trademark Sanyo CO LTD Sanyo Sanyo CO LTD CompressorModel C RZ146HIA C RZI46H A Compressor Oil POS FVSOS Compressor Type Rot Rotary Overload Protector
26. anel AP1 please reinsert or replace the operation i umper cap During cooling and drying 1 Room temperature sensor hasn t been connected operation indoor unit operates well with indoor units control panel AP1 refer to the hile other loads will stop during wiring diagram for indoor unit heating operation the complete 2 Room temperature sensor is damaged please unit will stop operation refer to the resistance table of temperature sensor During cooling and drying 1 Room temperature sensor hasn t been connected operation indoor unit will operate well with indoor units control panel AP1 refer to the hile other loads will stop During wiring diagram for indoor unit heating operation the complete 2 Room temperature sensor is damaged please unit will stop operation refer to the resistance table of temperature sensor 42 Troubleshooting N oO 2 NO NO a a a N N I Operation COOL Indicator Indicator Outdoor ambient OFF 3S and blink 3 times emperature E O sensor open short circuited Outdoor condenser OFF 3S and blink 4 times emperature oO 1 A sensor open short circuited OFF 3S and blink 5 times emperature A Sensor open short circuited OFF 3S and blink for 6 times OFF 3S and blink 8 times Limit decrease OI requency due to overload Decrease Oo TN requency due to overcurrent Decrease OFF 3S and b
27. ation and maintenance Do operation following the regulations to avoid electric shock and casualty or even death due to drop from high attitude Static maintenance is the maintenance during de energization of the air conditioner For static maintenance m ake sure that the unit is de energized and the plug is disconnected dynamic maintenance is the maintenance during energization of the unit Before dynamic maintenance check the electricity and ensure that there is ground wire on the site Check if there is electricity on the housing and connection copper pipe of the air conditioner with voltage tester After ensure insulation place and the safety the maintenance can be performed Take sufficient care to avoid directly touching any of the circuit parts without first turning off the power At times such as when the circuit board is to be replaced place the circuit board assembly in a vertical position Normally diagnose troubles according to the trouble diagnosis procedure as described below Refer to the check points in servicing written on the wiring diagrams attached to the indoor outdoor units No Troubleshooting procedure 2 Judgement by Flashing LED of Indoor Outdoor Unit How to Check simply the main part NOTE A large capacity electrolytic capacitor is used in the outdoor unit controller inverter Therefore if the power supply is turned off charge charging voltage DC280V to 380V remains and discharging takes a lot of time
28. ction Wiring the connecting cable can be carried out without re moving the front panel 1 Remove the air inlet grille Open the air inlet grille upward and pull it toward you 2 Remove the terminal cover and cord clamp 3 Insert the connecting cable or as according to local regula tions codes into the pipe hole on the wall 4 Pull the connecting cable through the cable slot on the rear panel so that it protrudes about 15cm out of the front 5 Insert the connecting cable fully into the terminal block and se cure it tightly with screws 6 Tightening torque 1 2 Nem 0 12 kgfem 7 Secure the connecting cable with the cord clamp 8 Attach the terminal cover rear plate bushing and air inlet grille on the indoor unit CAUTION Be sure to refer to the wiring system diagram labeled inside the front panel Check local electrical regulations for any specific wiring instructions or limitations Terminal block Terminal cover Screw Screw Cord clamp Connecting cable Terminal block Connecting cable About 15 cm 70 mm Earth line 28 Installation Manual 5 Installing indoor unit In the case of bending or curing refrigerant pipes keep the follow ing precautions in mind Abnormal sound may be generated if improper work is conducted 1 Do not strongly press the refrigerant pipes onto the bottom frame 2 Do not strongly press the refrigerant pipes o
29. d liquid side service valves are fully open 5 1 Gas Leak Test Check the flare nut connections for gas leaks with a gas leak de tector and or soapy water Check places for flare nut connections indoor unit Check places for outdoor unit Y 5 2 Test Running 1 Switch on power press ON OFF button on the wireless remote control to start the operation 2 Press MODE button to select the COOL HEAT Cooling only unit is not available FAN to check whether the operation is nor mal or not Perform test operation and check items 1 and 2 below 1 INDOOR UNIT 1 Is operation of each button on the remote control unit normal 2 Does each lamp light normally 3 Do the air flow direction louver operate normally 4 Is the drain normal 2 OUTDOOR UNIT 1 Is there any abnormal noise and vibration during operation 2 Will noise wind or drain water from the unit disturb the neigh bors 3 Is there any gas leakage Exploded Views and Parts list 8 Exploded Views and Parts List 8 1 Exploded View e Indoor Unit 1 18K 32 Exploded Views and Parts list e Outdoor Unit 1 18K 30 29 28 27 426 V 25
30. de the malfunction and malfunction times will zero clearing If the malfunction can not resume the shifting mode can clear malfunction 11 Compressor discharge temperature protection 1 If STdischarge the unit will stop if Tdischarge X and compressor has stopped for 3min the unit will resume running 2 If STdischarge running frequency of compressor will be decreased or stop to increase will be occurred 3 If the unit stops as compressor discharge temperature for 6 times it can not resume running automatically and display malfunction it can resume by pressing ON OFF During operation if the time exceeds compressor running time the time of compressor discharge temperature stop will zero clearing When the unit is off shifts to fan mode the malfunction and malfunction times will zero clearing If the malfunction can not resume the shifting mode can clear malfunction 24 Function and Control 12 Current protection 1 If 12AsI alternating current running frequency of compressor will be decreased or stop to increase will be occurred 2 If 17Asl alternating current the unit will stop and compressor has stopped for 3min the unit will resume running 3 If the unit stops as compressor discharge temperature for 6 times it can not resume running automatically and display malfunction it can resume by pressing ON OFF During operation if the time exceeds compressor running time the time of compressor discharge temperature st
31. dle of the gauge man ifold valve 4 Operate the vacuum pump to begin evacuating Perform evacuating for about 15 minutes if the piping length is 20 me ters 15 minutes for 20 meters assuming a pump capacity of 27 liters per minute Confirm that the compound pressure gauge reading is 101 kPa 76 cmHg 5 Close the low pressure valve handle of gauge manifold Check the flare connections for gas leakage 6 Use torque wrench to tighten the service port nut to a torque of 1 8kg cm 7 Set the 3 way valve to the back seat 8 Mount the valve stem nuts to the 2 way and 3 way valves 9 Check for gas leakage At this time especially check for gas leakage from the 2 way and 3 way valve s stem nuts and from the service port nut 65 CAUTION If gas leakage are discovered in step 5 above take the following mesures If the gas leaks stop when the piping connections are tightened further continue working from step 6 If the gas leaks do not stop when the connections are retightened repair the location of the leak discharge all of the gas through the service port and then recharge with the specified amount of gas from a gas cylinder Troubleshooting Pumping Down SN Liquid side 2 gt Outdoor unit zi CLOSE ni VN CLOSE Purge the air e Procedure 1 Confirm that both the 2 way and 3 way valves are set to 7 Immediately set the 3 way valve to the closed position the open position Do this quic
32. duct Code Fan Motor Electric box fireproofing Terminal Board Capacitor CBB61 Electric Box Radiator Main Board Electric Box Cover Sub Assy Electric Box Assy eft handle Left Side Plate Motor Support Sub Assy Supporting board condenser Top Cover Reactor Clapboard Sub Assy Condenser Assy Rear Grill Wiring clamp Temperature Sensor Capacitor CBB65 Capacitor Clamp sub assy Handle Cut off valve Sub Assy Cut off valve Sub Assy Valve support assy Right Side Plate Capillary Sub Assy 4 way Valve Assy Magnet Coil Compressor and fittings Chassis Sub assy Drainage Connecter Drainage Plug Axial Flow Fan nsulated board cover of electric box Front Panel J 10 11 12 13 14 15 16 17 18 19 20 2 22 23 24 25 26 27 28 29 30 31 32 3 34 35 36 T OW 6 8 WE ss 00 o 12 0 13 _ CA 0 15 16 NE NE 18 19 20 ux 29 _ 24 20 1 26 27 d 28 29 30 3 32 33 _ 34 35 36 a OW Exploded Views and Parts list Part Code GAG A180GVR CB146W0360 1501506301 01413148 42011113 33010010 20113008 49010252 30138568 02603217 02603337 26235401 01305041P 06813401 10335008 20113003 01535009P Front grill 22415008 EN The above data are subject to be changed without notice 38 Troubleshooting 9 Troubleshooting 9 1 Precautions before Performing Inspection or Repair Be cautious during install
33. e If the system pressure is over high e lf the work voltage is over low Malfunction diagnosis process Synchronism after energize the unit and start it If the stop time of compressor is more than 3min connected the connection sequence forwards to clockwise direction N Connect Y wire well Replace control board AP1 Replace compress the compressor wire COMP UVW is we Synchronism occurred during operation the outdoor fan works normally Check if the fan Reol c N terminal OFAN is 1 LG capacity C1 connected well the radiating of unit is exchanger and increase ventilation Start to run until the N power resume normal voltage Charge the cy refrigerant with service manual Improve the radiating Replace Y of unit clean heat outdoor fan If the input voltage of unit is normal N Y Replace control board AP1 Replace compressor Finish p Y Y 56 Troubleshooting 57 7 Diagnosis for overload and discharge malfunction AP1 below is control board of outdoor unit Main detection point e i the electron expansion valve is connected well Is the expansion valve damaged e Ifthe refrigerant is leakage e i the overload protector is damaged Malfunction diagnosis process After the unit de ener
34. ecuted water in the drain hose could be frozen Once drain water is frozen the drain hose will be blocked and water leakage may be resulted for indoor unit C SU For left outlet piping cut off the 1 piping outlet cutting groove with a hacksaw Bu f Remove the drain cap by pulling Indoor unit at the projection at the end of drain hose Drain cap the cap with pliers etc FAC 29 How to replace the drain plug and drain hose How to remove the drain cap Clamp drain cap with needle nose pliers and pull it out How to remove the drain hose The drain hose is secured in place by a screw Remove the screw securing the drain hose then Insulation fixing screw Drain hose 7 pull out the drain hose e How to attach the drain cap 1 Insert hexagonal wrench 4 mm No gap amu Do not apply lubricating oil refrigerant machine oil when inserting the drain cap If applied deterioration and leakage of the drain plug may occur 2 Firmly insert drain cap I Insert a hexagon wrench How to attach the drain hose 4 mm Insert the drain hose firmly until the connector contacts the insulation then secure it in place using the original screw 1 After making slits on the front panel with a knife or similar tool cut them out with a pair of nippers or an equivalent tool Slit 2 Overlap the connection pipe insulation material and the indoor
35. espectively and it can also set at auto fan speed 8 Memory Function Memory content includes mode up amp down swing light set temperature and set fan speed general timer clock timer can t be memorized Upon power failure the unit after power recovery will automatically start operation according to memorized content The unit without timer setting 0 Of ame FT D before power failure will operate according to the last setting after power recovery The unit with general timer setting which has not been fulfilled 22 Function and Control before power failure will memorize the time setting and re calculate the time after power recovery If there is timer function in the last remote controller command but setting time has reached the system will act as timer on off setting before power failure After power failure the system memorizes the operation states before power failure without timer action Clock timer can not be memorized 9 Locked protection to PG motor If the indoor fan motor s rotational speed after startup keeps slow for a continuous period of time the unit will stop operation and display H6 10 Turbo Function This function can be set in cooling or heating mode to quickly cool or heat the room Turbo function is not available in auto dry and fan mode After pressing the turbo button indoor fan will operate at super high fan speed 5 Malfunction Detection for Temperature sensor 1 Indoor ambient te
36. essor will stop while indoo an will operate during heating Replace outdoor control panel AP1 the complete unit will stop operation All loads operate normally while operation frequency forfPoor air return in indoor unit or fan speed is too low compressor is decreased 45 9 4 How to simply check the main part 4 1 Indoor unit 1 Temperature sensor malfunction Start Y Check whether the wiring terminal between temperature sensor and controller is oosened or poorly contacted yes Insert the temperature sensor tightly Check whether there s short circuit due to the trip over of the parts Eliminate the malfunction yes Make the parts upright no Check whether the temperature sensor is normal according to resistance table no yes Eliminate the malfunction no Replace the temperature sensor with the same model Replace the controller with the same model Troubleshooting 46 Troubleshooting 2 PG motor indoor fan does not operate H6 47 heck whether the feedback terminal of PG motor is connected tightl no Y Insert the feedback
37. function is value is 0 removed N Cut the terminal of reactor test the resistance between two terminals of reactor with ohmic meter Re Replace the energize reactor the unit and start it If there is damaged short circuit fthe malfunction is removed v Replace control board N AP1 Y 4 Finish b 58 Troubleshooting 9 Communication malfunction AP1 below is control board of outdoor unit Main detection point Check if the connection wire and the built in wiring of indoor and outdoor unit is connected well and no damaged e If the communication circuit of indoor mainboard is damaged If the communication circuit of outdoor mainboard AP1 is damaged Malfunction diagnosis process Y Check built in wiring of Caan If the unit is operation normal before malfunction Check connection wire of indoor and outdoor unit with circuit diagram indoor and outdoor unit Malfunction of circuit is E detected with Y If the wiring is control board damaged AP1 voltage N f the malfunction N Check communication is removed circuit of outdoor unit roblem o communication circuit y Connectio correct N Y Check connection wire of indoor and outdoor unit with circuit diagram Replace
38. g operation OFF 3S and blink 11 times N ce r Oo Failure start up Malfunction o OFF 3S and blink 13 times phase current Co eo C detection circuit or compressor OFF 3S and blink 15 times EEPROM malfunction Co m m OFF 3S and blink 17 times Charging U c malfunction o capacitor Display Method of Indoor Unit Indicator has 3 kinds of display status and they AJC status Possible Reasons t Wiring terminal OVC COMP is loosened In During cooling and drying I normal state the resistance for this terminal should operation compressor will stop be less than 1ohm hile indoor fan will operate 2 Refer to the malfunction analysis discharge During heating operation the I 7 protection overload complete unit will stop operation During cooling and drying operation compressor will stop I I niis rdg dan Wil apad to the AMRI analysis overload high temperature resistant During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop Refer to the malfunction analysis IPM protection hile indoor fan will operate lloss of synchronism protection and overcurrent Duri
39. g status that will display the setting temperature TIMER Press TIMER button at unit ON to set TIMER OFF HOUR OFF blinking Press TIMER button at unit OFF to set TIMER ON HOUR ON blinking In this case pressing or button changes time setting Holding down either button rapidly changes time setting time setting range 0 5 24hours Press TIMER button again to confirm setting HOUR ON OFF stopping blink If there is not any operation of button within 5 seconds during HOUR ON OFF blinking TIMER setting will be canceled TURBO Press this button to activate deactivate the Turbo function which enables the unit to reach the preset temperature in the shortest time In COOL mode the unit will blow strong cooling air at super high fan speed In HEAT mode the unit will blow strong heating air at super high fan speed This function is not applicable for some models SLEEP Press this button to go into the SLEEP operation mode Press it again to cancel SLEEP operation This function is available in COOL HEAT Only for models with heating function or DRY mode to maintain the most comfortable temperature LIGHT Press LIGHT button to turn on the display s light and press this button again to turn off the display s light If the light is tunrned on is displayed If the light is tunrned off 0 disappears and KJ About lock Press 4 and buttons simultaneously to lock or unlock the keypad If the remote controller is locked
40. gized for 20min the overload protector SA is well connected Under ambient temperature test the resistance of overload protector with ohmic meter resistance value l 10000 the wiring terminal FA of electron Y Connect wire well with wiring diagram N Y E The resistance value of first 4 lead foot and the fifth lead foot is similar small to 1000 v Replace Replace EKV overload aaien SAT coil of electron expansion valve Remove mulfunction N v Check refrigerant if there is leakage please refer to specification Remove mulfunction N Y Replace control board AP1 y Finish p Troubleshooting 8 PFC correction for power factor malfunction outdoor unit malfunction AP1 below is control board of outdoor unit Main detection point e Check if reactor L of outdoor unit and PFC capacity are damaged Malfunction diagnosis process sat Check the connection wire of reactor L of outdoor unit and PFC capacity Replace connection If there is damaged wire with circuit short circuit f the malfunction is removed diagram v Remove PFC capacity and test resistance of N two terminals Capacity is hon Re energize Y RR the unit and start it replace it the resistance f the mal
41. hange without notice please refer to the one supplied with the unit Function and Control 6 Function and Control 6 1 Remote Controller Description P O m FAN AUTO aal OPER t FILTER AIR HEALTH X FAN HUMIDITY i d F am TURBO LU HOUR a d el ON OFF ON OFF Press this button to start or stop operation MODE Press it to select operation mode AUTO COOL DRY FAN HEAT EY Press it to decrease temperature setting pi Press it to increase temperature setting FAN Press it to set fan speed ML Press it to set up amp down swing angle HEALTH SAVE Press it to select health mode on or off B 5 Press it to set left amp right swing angle El X FAN TEMP TIMER Press it set auto on timer auto off timer TURBO SLEEP LIGHT x Note X FANis the alternative expression of BLOW for the purpose of acceptance 17 Function and Control ON OFF Press this button to turn on the unit Press this button again to turn off the unit MODE Each time you press this button a mode is selected in a sequence that goes from AUTO COOL DRY FAN and HEAT as the following AUTO B COOL B DRY P FAN PHAET T o Note Only for models with heating function After energization AUTO mode is defaulted In AUTO mode the set temperature will
42. harge the refrigerant until the gauge indicates 0 5 to 1kg cm G if this is the case it will not be necessary to apply a evacuation Discharge the refrigerant gradually if it is discharged too suddenly the refrigeration oil will also be discharged 68 Troubleshooting Evacuation All amount of refrigerant leaked Procedure 1 Connect the vacuum pump to the center hose of charge set center hose 2 Evacuation for approximately one hour Confirm that the gauge needle has moved toward 76cmHg vacuum of 4 mmHg or less 69 Outdoor unit 3 Close the valve Lo side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approximately 5 minutes after turning off the vacuum pump 4 Disconnect the charge hose from the vacuum pump Vacuum pump Oil If the vacuum pump oil becomes dirty or depleted replenish as needed Gas Charging After Evacuation OPEN A Ulf e Procedure 1 Connect the charge hose to the charging cylinder Connect the charge hose which you dis connected from the vacuum pump to the valve at the bottom of the cylinder f you are using a gas cylinder also use a scale and reverse the cylinder so that the system can be charged with liquid 2 Purge the air from the charge hose Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air Be careful of the liquid refrigera
43. he resistance between 3 terminals of compressor COMP and copper pipe with resistance measuring apparatus Situation happened energize the unit can start it to run normally Replace N control board N AP1 Connect control board AP1 and compressor COMP with circuit wiring diagram then energize the unit can start it oes the unit work normally is normal N Replace compressor COMP esistance value is tha more 500M Q N Y Replace control board AP1 Troubleshooting 4 Diagnosis for anti high temperature overload protection AP1 below is control board of outdoor unit Main detection point e If the outdoor ambient temperature is in normal range e If the indoor and outdoor fan is running normal e If the radiating environment of indoor and outdoor unit is well Malfunction diagnosis process Anti high temperature overload protection If the outdoor ambient temperature is higher than 53 C Normal protection please use Y it after improve the outdoor ambient temperature N After the unit de energized for 20min f the radiating of outdoor and indoor unit is well Improve the l Y radiating gt environment of unit 1 Check if fan terminal OFAN is connected well N 2 Test if resistance value of any two terminals is less than 1kQ with o
44. hmic meter i l y Replace fan Replace capacity C1 control board Replace fan motor If the outdoor fan work well AP1 ED 54 Troubleshooting 5 Diagnosis for failure startup malfunction AP1 below is control board of outdoor unit Main detection point e If the compressor wiring is correct e Ifthe stop time of compressor is enough e If the compressor is damaged e If the refrigerant charging is too much Malfunction diagnosis process Energize the unit and start it If the stop time is not enough and the N high and low pressure of system is not balance please start it after 3min the stop time of compressor is more than 3min Improve the connection situation N of control board AP1 and compressor COMP connect it with wiring diagram If the compressor wire COMP UVW is well connected and connection sequence is correct Does the unit star up normally If the refrigerant charging is too much Y Charge the refrigerant with service manual Does the unit star up normally N Y y Replace control board AP1 y If malfunction is removed N Y Replace the compressor v e m 55 Troubleshooting 6 Diagnosis for compressor synchronism AP1 below is control board of outdoor unit Main detection point
45. horizontal louver will clockwise turn to position D in HEAT mode or clockwise turn to level position L in other modes If setting swing function while starting up the unit the horizontal louver will swing between L and D There are 7 kinds of swing status of horizontal louver Positions L A B C and D swing between L and D and stop at any position between L and D Upon turning off the unit the horizontal louver will close at position 0 Swing function is available only when swing function set and indoor fan is operating Note If the position is set between L and B A and C or B and D by remote controller the horizontal louver will swing between L and D L A B C D 2 Buzzer Upon energization and operation the buzzer will give out sound 3 Auto Button After pressing this button the unit will operate in auto mode Indoor fan will operate at auto fan speed and swing motor will operate Press this button again to turn off the unit The complete unit is energized when pressing the button and the complete unit will enter into fast testing status After energization if it s detected that the auto button is pressed down and the complete unit is at fast testing status the fast testing status will be exited 4 Sleep Function This mode is only valid in cooling and heating mode The unit will select the appropriate sleeping curve to operate according to the different setting temperature During cooling mode 1 When the initial temperature
46. ient temperature compensation Tpreset the heating operation will stop after reaching the temperature point 2 The temperature setting range in this mode is 16 30 C 5 Defrosting Control 1 After the time for defrosting is judged to be satisfied if the temperature for defrosting is satisfied after detections for continuous 3minutes the defrosting operation will start 2 Start to defrost Compressor stops and starts up 55S later 3 Defrosting finish Compressor stops and starts up 55S later 4 Conditions of finishing defrosting The defrosting operation can exit when any of the conditions below is satisfied 1 Toutdoor pipe2 12 C 2 Toutdoor ambient 5 C and the Toutdoor pipez 6 C last more than 80S 3 The continuous running time of defrosting reaches to 8min 6 Compressor Control 1 The frequency of compressor will be controlled with the relationship of ambient temperature and preset temperature and changing speed of ambient temperature 2 Start the compressor after starting cooling heating dry operations and the outdoor fan start for 5s 3 When the unit is off in safety stops and switching to fan mode the compressor will stop immediately 4 In all modes once the compressor starts up it will not be allowed to stop until having run for the tmin Compressor running time Note including cases of shutdown when the temperature point is reached except the cases requiring stopping the compressor such as fault
47. ill operate analysis of capacitor During heating operation the complete unit will stop 44 Troubleshooting Display Method of Indoor Unit Display Method o Outdoor Unit Malfunction Indicator has 3 kinds of Name Indicator Display during blinking display status and they Dual 8 JON 0 5s and OFF 0 5s be Possible Reasons Code Display Operation Indicator Malfunction o QO oO U N module emperature sensor circuit Module high emperature O protection Malfunction 0 voltage oo a c oo OW Oo dropping fo DC bus bar oltage of DC bus bar is too low Limit decrease Co N m c he four way alve is OW CO c N abnormal Zero crossing oO ce L co malfunction o outdoor unit Limit decrease eo ET I requency due to antifreezing COOL Indicator Heating Indicator OFF 3S and blink 20 times OFF 3S and blink 21 times A C status During cooling and drying operation compressor will stop hile indoor fan will operate Replace outdoor control panel AP1 During heating operation the complete unit will stop During cooling operation After the complete unit is de energized for 20mins compressor will stop while indoor check whether the thermal grease on IPM Module an will operate During heatinglof outdoor co
48. in dual 8 su es ORY 4 In normal situation the setting temperature is displayed in dual 8 place COOL DRY See 5 When the signal of displaying indoor temperature or outdoor tempera XX b RUN light red ture is received from the controller the corresponding temperature will be HEAT RUN shown in dual 8 place It resumes displaying setting temperature 5s later ON OFF EI HEAT light orange x E Unit ON OFF button 6 4 Unit ON OFF Button If the remote controller is lost or broken please use the manual switch button At this time the unit will run at the Auto mode but the temperature and fan speed cannot be changed The operation was shown as below To open the panel the manual switch is on the displayer box e Turn on the unit After unit is turned off press the button the unit will run at Auto mode immediately The microcomputer will accord to the indoor temperature to select Cooling Heating Fan and obtain the comfortable effect e Turn off the unit After unit is turned on press the button the unit will stop working Operation of automatic buttons less than 5s keep 5 10s keep more than 10s operation start running start compulsory running stop compulsory running during stop avoid button lock operation stop running stop running during running operation during stop after running abnormal communication error 20 Function and Control 6 5 Description of Each Control Operatio
49. ion point e Detect if the voltage of L and N terminal of wiring board is between 210AC 240AC by alternating voltage meter e Is reactor L well connected Is connection wire loosened or pull out Is reactor L damaged Malfunction diagnosis process Wait for 1min after the unit is energized Test the two terminal s test 3 voltage of electrolytic capacity by DC voltage meter Malfunction of Voltage is higher Y Bou e Replace control 2 an 200 controller board board AP1 AP1 N Test the DC voltage between L and N terminal of wiring board XT Turn off and repair power supply make voltage resume Re energized to turn on the unit Voltage is between 210VAC 250VAC fthe malfunction is removed 210VAC 250VAC Y Turn off power supply and waiting for 20min or test voltage of capacity s two terminals test 3 by DC voltage N meter until the voltage decreased to 20V Check the connection of reactor L in the circuit wiring diagram Connect the Br wiring of Re energized 2 Is reactor L wiring N reactor Ic with to tum on ihe f the malfunction Y normal GZ Mir is removed gt circuit wiring unit diagram Y Y Replace control N board AP1 51 Troubleshooting 3 IPM protection desynchronizing malfunction phase current of compressor is overcurrent AP1 below is control board of o
50. kly so that the gauge ends up indicating 3 to 5kg Remove the valve stem caps and confirm that the valve stems cm g are in the raised position Be sure to use a hexagonal wrench to operate the valve stems 8 Disconnect the charge set and mount the 2 way and 3 way valve s stem nuts and the service port nut 2 Operate the unit for 10 to 15 minutes Use torque wrench to tighten the service port nut to a torque of 1 8 kg m Be sure to check for gas leakage 3 Stop operation and wait for 3 minutes then connect the charge set to the service port of the 3 way valve Connect the charge hose with the push pin to the service port 4 Air purging of the charge hose Open the low pressure valve on the charge set slightly to air purge from the charge hose 5 Set the 2 way valve to the closed position 6 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 1kg cm g 66 Troubleshooting Re air Purging 67 AAN zi cylinder CLOSE Liquid side Outdoor unit A OPEN F Procedure 1 Confirm that both the liquid side valve and the gas side valve are set to the closed position 2 Connect the charge set and a gas cylinder to the service port of the Gas side valve Leave the valve on the gas cylinder closed 3 Air purging Open the valves on the gas cylinder and the charge set Purge the air by loosening the flare nut on the liquid side val
51. link 9 times requency due to high discharge OFF 3S and blink 11 times oltage for DC oo aL U TI TI TI OI OJ CO Oo OJ bus bar is too high OFF 3S and blink 13 times Malfunction o de c complete units current detection Overcurrent OFF 3S and blink 15 times protection O v phase current or compressor Defrosting Static dedusting I N protection 3 Display Method of Indoor Unit Malfunction Name Indicator Display during blinking Dual 8 ON 0 5s and OFF 0 5s Code Display Heating Indicator Indicator has 3 kinds ofi display status and they Possible Reasons A C status During cooling and drying operating compressor stops whilelOutdoor temperature sensor hasn t been connected indoor fan operates During well or is damaged Please check it by referring to heating operation the complete the resistance table for temperature sensor unit will stop operation During cooling and drying operation compressor stops whileJOutdoor temperature sensor hasn t been connected indoor fan will operate During well or is damaged Please check it by referring to heating operation the complete the resistance table for temperature sensor unit will stop opera
52. lu ence the city appearance 7 3 Installation of Indoor Unit 1 Installing the mounting plate The mounting plate should be installed on a wall which can support the weight of the indoor unit 1 Temporarily secure the mounting plate to the wall make sure that the panel is completely level and mark the boring points on the wall 2 Secure the mounting plate to the wall with screws 26 Installation Manual Recommended mounting plate retention spots and dimensions 18K Wall Mark on the middle of it Gradienter Ree Space I T Space WS to the to the wall DM wall 150mm 9 J 150mm above l above o s 9 Left 65mm Right 65mm Rear piping hole Rear piping hole 24K Wall Mark on ne miod oi Singal Wall Space Space RN tothe to the wall wall 150mm 150mm above above gt Left 65mm Right b 65mm Rear piping hole Rear piping hole 2 Boring a wall hole and installing wall embedded pipe For walls containing metal frame or metal board be sure to use a wall embedded pipe and wall cover in the feed through hole to prevent possible heat electrical shock or fire Be sure to caulk the gaps around the pipes with caulking mate rial to prevent water leakage 1 Bore a feed through hole of 65mm in the wall so it has a down slope toward the outside 2 Insert a wall pipe into the hole 3 Insert a
53. mperature sensor Malfunction of temperature sensor will be detected at any time 2 Indoor tube temperature sensor Malfunction of temperature sensor won t be detected during defrosting period It starts detecting the malfunction of temperature sensor after defrosting is finished for 5 mins Malfunction of temperature sensor will be detected at any other time 3 Protection of temperature sensor 1 When the temperature sensor is detected short circuit for 30s successively The detected temperature by the temperature sensor is too high and the complete unit will stop operation meanwhile the protection and malfunction of temperature sensor will be displayed accordingly 2 When the temperature sensor is detected open circuit for 30s successively The unit will stop operation due to protection and the corresponding malfunction of temperature sensor will be displayed directly 6 Compulsory operating function of indoor unit 1 Enter into compulsory operation control After the unit is energized for 5mins press the light button on remote controller for 3 times in 3s successively to enter into Freon recovery mode Fo will be displayed When Freon recovery mode operated for 25mins all loads will operate in cooling mode The setting fan speed is high fan speed and the setting temperature is 16 C 2 Exit the compulsory operation control Freon recovery mode will be exited after receiving any signal from remote controller or button and then the uni
54. n Indoor Unit Temperature Parameter Room setting temperature Tpreset Room ambient temperature Tamb temperature sensor 15K partial pressure resistance 15K Surface temperature of copper pipe for indoor heat exchanger Tindoor tube temperature sensor 20K partial pressure resistance 20K 1 Basic Functions of System 1 Cooling Mode 1 In this mode indoor fan and swing will operate according to the setting status The temperature setting range is 16 30 C Fahrenheit 61 86 F 2 When the unit stop operation due to malfunction of outdoor unit or protection indoor unit will keep original operating status Malfunction code will be displayed 3 When Os Tpreset Tamb if the indoor unit is operating at high fan speed the speed of fan will change to medium fan speed if the indoor unit is operating at medium or low fan speed the speed of fan will keep the same This condition can only be carried out after the compressor is started up There s no change for super high fan speed when Tamb Tpreset 21 C the fan speed will resume setting fan speed 2 Dry Mode 1 In this mode fan will operate at low fan speed and swing will operate at setting status The temperature setting range is 16 30 C Fahrenheit 61 86 2 When the unit stop operation due to malfunction of outdoor unit or protection indoor unit will keep original operating status Malfunction code will be displayed 3 Fan Mode 1 In this mode indoor fa
55. n the front grille either y The piping can be lead out from right right rear left and left rear Right side right back or right bottom piping 1 After making slits on the front panel with a knife or similar tool cut them out with a pair of nippers or an equivalent tool Attach the drain hose to the underside of the refrigerant pipes with an adhesive vinyl tape 2 Wrap the refrigerant pipes and drain hose together with an insulation tape RRR l Bind with vinyl tape Right piping ge E Pipe top Rear piping Bottom Indoor unit drain hose piping bottom Left side left back or left bottom piping e Interchange the drain cap and the drain hose AN CAUTION 1 In order to align the drain hose and drain cap be sure to insert securely and vertically Incline inser tion will cause water leakage 2 When inserting be sure not to attach any material besides water If any other material is attached it will cause deterioration and water leakage 3 After removing drain hose be sure not to forget mounting drain cap 4 Be sure to fix the drain hose with tape to the bottom of piping 5 Prevent drain water frozen under low tempera ture environment When installing indoor unit s drain hose outdoors necessary measure for frost protection should be taken to prevent drain water frozen Under low temperature environment when outdoor tem perature under 32 F after cooling operation is ex
56. n will operate at high medium low or auto fan speed Compressor indoor fan and the four way valve will all stop operation 2 In this mode the temperature setting range is 16 30 C Fahrenheit 61 86 F 4 Heating Mode 1 In this mode the temperature setting range is 16 30 C Fahrenheit 61 86 F 2 Working condition and process of heating when the unit is turned on in heating mode indoor unit enters into anti cold air condition when the unit is tuned off the unit will enter into the condition of blowing residual heat 3 Protection function in heating mode when the compressor is stopped due to malfunction indoor fan will operate at the condition of blowing residual heat 4 Defrosting control after receiving the defrosting signal from outdoor unit the defrosting code H1 will be displayed 5 Anti cold function 6 Blowing residual heat function a During heating operation when the stopping condition for the compressor is reached the compressor and the outdoor fan motor stop operation The upper amp down horizontal louver will rotate to the horizontal position L The indoor fan will be stopped after operating for 60s at setting speed b Due to the blockage of PG motor horizontal louver will keep the stop position when the unit is turned off In other modes When the unit is stopped due to other malfunctions up amp down horizontal louver will rotate to horizontal position L The indoor fan will be stopped after operating for 60s
57. nd Indoor Tube Temperature Sensors Temp Resistance Temp Resistance Temp Resistance Temp Resistance 98 1427 60 4948 99 1386 66 3998 68 3720 e 1046 69 608 8 9918 6 8917 0 6537 80 2495 6 4842 8 43 92 86 2059 9 4184 89 1875 90 1818 96 1515 62 Troubleshooting 63 Appendix 3 Resistance Table of Outdoor Discharge Temperature Sensor Temp C Resistance kQ 7998 99 8 50 703 8 660 8 6208 580 6 _ 5489 5166 I O SN O O OO l O Ol Ol wl A cO O Oo Oo CO Ql O O QI OO Oo O gt Q O1 17 J L ala Oo cO 432 Co ER Ql a o O N cO O 29 28 26 25 24 23 22 21 20 14 NO amp O I cO 00 32 3239 _ 42 3062 _ 2593 _ 9 T T 6 6 5 5 4 5 3 3 3 3 00 cO O gt OIN IOJ O1 O C2 2 7 2326 4 1983 3 1991 2 178 5 a 1695 161 153 7 113 4 108 DIO OJN O1 O gt I I I lI cO 00 OW wl KR ll ODIN co lOl DI MDIcO OO w a o Wil On a cO CO Temp C Resistance kO 95 Temp CC 80 86 _ 68 _ 69 o 86 Resistance k Temp Resistance CC k Q 89 4600 90 4469 96 3728 98 8
58. ng flaring tool as shown below Outside diameter A mm inch mm Check 1 Compare the flared work with figure below 2 If flare is noted to be defective cut off the flared section and re flare it Smooth all round Inside is shiny without scratches rd y Improper flaring Inclined Surface Cracked Uneven damaged thickness Even length all round 27 Installation Manual 3 2 Connection of piping 1 Align the center of the pipes and sufficiently tighten the flare nut by hand TD 085 Indoor unit tubing Flarenut Pipes 2 Tighten the flare nut with a wrench Wrench Indoor unit tubing Outside diameter mm Inch 26 35 1 4 29 52 3 8 012 7 1 2 215 88 5 8 219 05 3 4 4 Drain hose junction If drain hose extension or embedded drain piping is required use appropriate parts that match the hose front end Insert drain hose into the handle of drain pan and join drain hose and connecting hose according to the figure by Shield pipe or Z N EN AX CAUTION Insert the drain hose and drain cap into the drain port mak ing sure that it comes in contact with the back of the drain port and then mount it If the drain hose is not connected properly leaking will occur Drain hose Inside the room Extension drain hose Attach the Insulation Drain hose to the drain hose Insulation Drain hose Drain hose 5 Wiring Conne
59. ng heating operation thelprotection of phase current for compressor complete unit will stop operation During cooling and drying operation compressor will stop hile indoor fan will operate Refer to the malfunction analysis During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop Refer to the malfunction analysis IPM protection hile indoor fan will operate loss of synchronism protection and overcurrent During heating operation thelprotection of phase current for compressor complete unit will stop operation All loads operate normally while Refer to the malfunction analysis overload high operation frequency fo I temperature resistant compressor is decreased During cooling and drying operation compressor will stop hile indoor fan will operate Refer to the malfunction analysis During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop hile indoor fan will operate Replace outdoor control panel AP1 During heating operation the complete unit will stop During cooling and drying operation compressor will stop hile indoor fan will operate fReplace outdoor control panel AP1 During heating operation the complete unit will stop During cooling and drying operation compressor will stop Refer to the part three charging malfunction hile indoor fan w
60. ng up the sleep function the temperature will decrease by1 C every one hour After the temperature is decreased by 1 C the unit will operate at this temperature 3 When the initial temperature is set as 21 27 C after starting up the sleep function the temperature will decrease by1 C every one hour After the temperature is decreased by 2C the unit will operate at this temperature 3 When the initial temperature is set as 28 30 C after starting up the sleep function the temperature will decrease by1 C every one hour After the temperature is decreased by 3 C the unit will operate at this temperature General timer and clock timer functions are compatible by equipping different functions of remote controller 5 Timer Function General timer and clock timer functions are compatible by equipping different functions of remote controller General timer Timer ON If timer ON is set during operation of the unit the unit will continue to operate If timer ON is set at unit OFF upon ON time reaches the unit will start to operate according to previous setting status Timer OFF If timer OFF is set at unit OFF the system will keep standby status If timer OFF is set at unit ON upon OFF time reaches the unit will stop operation 6 Blow Function Blow function can be set in cooling and dry mode 7 Indoor Fan Control Indoor fan can be set at super high high medium or low Meanwhile the fan will operate at super high high medium and low fan speed r
61. nt 3 Open the valve Lo side on the charge set and charge the system with liquid refrigerant f the system can not be charged with the specified amount of refrigerant it can be charged with a little at a time approximately 150g each time while operating the air conditioner in the cooling cycle however one time is not sufficient wait approximately 1 minute and then repeat the procedure pumping down pin Troubleshooting Outdoor unit This is different from previous procedures Because you are charging with liquid refrigerant from the gas side absolutely do not attempt to charge with larger amounts of liquid refrigerant while operating the air conditioner 4 Immediately disconnect the charge hose from the 3 way valve s service port Stopping partway will allow the gas to be discharged f the system has been charged with liquid refrigerant while operating the air conditioner turn off the air conditioner before disconnecting the hose 5 Mount the valve stem nuts and the service port nut Use torque wrench to tighten the service port nut to a torque of 1 8 kg m Be sure to check for gas leakage 70
62. ntrol panel AP1 is sufficient and operation the complete unit willlwhether the radiator is inserted tightly If it s no use please replace control panel AP1 During cooling and drying operation compressor will stop Supply voltage is unstable hile indoor fan will operate During heating operation the complete unit will stop 1 Measure the voltage of position L and N on wiring XT if the voltage is higher than 150VAC I turn on the unit after the supply voltage is increased operation compressor will stop to the normal range while indoor fan will operate 2 1f the AC input is normal measure the voltage ofi During heating operation the U E electrolytic capacitor C on control panel AP1 if it s During cooling and complete unit will sto E P normal there s malfunction for the circuit please replace the control panel AP1 Discharging after the complete unit is de energized All loads operate normally while for 20mins check whether the thermal grease on operation frequency follPM Module of outdoor control panel AP1 is compressor is decreased sufficient and whether the radiator is inserted tightly If its no use please replace control panel AP1 If this malfunction occurs during 1 Supply voltage is lower than AC175V heating operation the completef2 Wiring terminal 4V is loosened or broken unit will stop operation 3 4V is damaged please replace 4V During cooling operation compr
63. op will zero clearing 13 Drop off voltage During compressor operation the system will stop and malfunction of drop off voltage if voltage downward fluctuates rapidly and it will re start up automatically 3min later 14 Communication malfunction If the unit does not receive correct signal from indoor unit for 3min continuously the unit will stop as communication malfunction protection if communication malfunction resume and compressor has stopped for 3min the unit will resume running 15 IPM module protection When the compressor starts if there is overcurrent or control voltage low for IPM module as some abnormal results IPM will detect module protection signal as the unit is on Once the module protective signal is detected stop the unit with module protection immediately If the module protection is resumed and compressor has stopped for 3min the unit will be allowed to operate If the module protection continuously occurs for three times it should not be resumed automatically and you should press the ON OFF button to resume If the running time of compressor exceeds the t Protection times clearing of module the module protection is cleared to recount 16 Module overheating protection 1 If STmodule running frequency of compressor will be decreased or stop to increase will be occurred 2 If STmodule the unit will stop if Tmodule lt and compressor has stopped for 3min the unit will resume running 3 If the unit stops as
64. or pipe 6 running frequency of compressor will be decreased or stop to increase will be occurred 3 If the unit stops as anti freezing protection for 6 times it can not resume running automatically and display malfunction it can resume by pressing ON OFF During operation if the time exceeds compressor running time the time of anti freezing protection stop will zero clearing When the unit is off fan heating mode the malfunction and malfunction times will zero clearing If the malfunction can not resume the shifting mode can clear malfunction 10 Overload protection 1 In cooling and dry mode if SToutdoor pipe the unit will stop if Toutdoor pipe and compressor has stopped for 3min the unit will resume running 2 In cooling and dry mode if SToutdoor pipe running frequency of compressor will be decreased or stop to increase will be occurred 3 In heating mode if STindoor pipe the unit will stop if Tindoor pipe Cl and compressor has stopped for 3min the unit will resume running 4 In cooling and dry mode if STindoor pipe running frequency of compressor will be decreased or stop to increase will be occurred 5 If the unit stops as overload protection for 6 times it can not resume running automatically and display malfunction it can resume by pressing ON OFF During operation if the time exceeds compressor running time the time of overload protection stop will zero clearing When the unit is off fan shifts to heating mo
65. or speed rps Compressor speed rps 2 3 Capacity Variation Ratio According to Temperature Capacity ratio 96 50 32 33 34 35 36 37 38 39 40 41 Cooling Conditions I Indoor DB27 C WB19 C Indoor air flow High Pipe length 5m 42 43 Outdoor temp C Capacity ratio 96 Heating 110 T 2 22 i AMA 90 80 70 29 Conditions Indoor DB20C WB15 C 50 fotti Indoor air flow High 1 tot 1 il Pipelength 5m 40 oq o o A a NE i 15 Outdoor temp C 10 5 0 5 lt Heating gt 11 10 9 8 7 E 6 2 5 2 O 4 o 3 Conditions 2 M 5 Indoor DB20 C WB15 C Outdoor DB7 C WB6 C 1 l Indoor air flow High Pipe length 5m 0 10 20 30 40 50 60 70 80 90 100 110 120 Compressor speed rps Heating 11 10 9 8 T E 6 5 5 O 4 3 Conditions 2 Indoor DB20C WB15C Outdoor DB7 C WB6 C 1 Indoor air flow High 0 Pipe length 5m mu d mu nn jn su mu wn 0 10 20 30 40 50 60 70 80 90 100 110 120 10 Specifications 2 4 Operation Data Cooling Temperature condition Standard Heat exchanger pipe P MPa T1 C T2 C revolution rps 279 ag 18K I 09to11 12to14 70to40 Super High 24K 081010 10to12 72t040 Super High Heating Temperature condition Standard Heat exchanger pipe P MPa TITO 3206 revolution rps AU s EK 221024 701035 SuperHigh High
66. protection remote shutdown mode switching etc 5 In all modes once the compressor stops it will be allowed be restart after 3 minute delay Note The indoor units have a function of power memory the machine can be restarted after remote shutdown and powering up again without delay 7 Outdoor Fan Control 1 When the unit is off by remote control in safety stops and stop after reaching to the temperature point 2 In fan mode The outdoor fan stops 3 Start to defrost Outdoor fan will stop after compressor stops for 50S 4 Defrosting finish Outdoor fan will start up when the compressor is stopping 8 4 way valve control 1 The 4 way valve control under the modes of Cooling dehumidification and fan closing 2 When the unit is on in heating mode the 4 way valve is energized 3 When the unit is on in heating mode and heating mode shift to other modes the 4 way valve will be de energized after compressor stops for 2min 4 After protection stops the 4 way valve will be de energized after 4min 5 Start to defrost The power of 4 way valve will be de energized after the compressor stops 6 Defrosting finish The 4 way valve will be energized after the compressor stops 9 Anti freezing protection 1 In cooling and dry mode if Tindoor pipe lt 0 is detected for 3min continuously the unit will stop if lt Tindoor pipe and compressor has stopped for 3min the unit will resume running 2 In cooling and dry mode if Tindo
67. re protection Two terminals voltage test3 of electrolytic capacity is higher than 250VT Does the unit work normally N Check connection situation of capacity C2 with circuit wiring diagram after the unit is de energized Re connect capacity C2 with circuit wiring diagram and energize the unit start it connection of capacity C2 is loosened N v Does the unit work normally v If control board AP1 and compressor COMP is well connected If they urn off power supply and Remove connection wire waiting for 20min or test of capacity C2 test it voltage of capacity s two with capacitance meter terminals test 3 by DC N and check it with voltage meter until the component specification voltage decreased to 20V Replace capacity Y C2 then energize the unit can start it to run Does the unit work normally S capacity C invalid Replace N control board N AP1 Correct it with S 5 f If above abnormal Y service manual then oes the unit work yo are loosened If the connection sequence is correct AP1 and COMP is well connected or correct connection sequence Test resistance of 3 terminals of compressor COMP with resistance measuring apparatus and contrast with compressor resistance value of service manual Test t
68. rt of the button again to cancel SAVE function During SAVE operation the temperature and fan speed is not adjustable E e Press button to start or stop left amp right swing function The remote controller defaults to simple swing condition NC 18 Function and Control e Dione button and button at the same time at unit OFF to switch between simple swing and static swing ren blinking 2 seconds e In static swing condition press button the swing angle of left amp right louver changes as below MEN V gt ZIN s Mw cap A OFF IS ZON e f the unit is turned off during swing operation the louver will stop at present position EN x FAN Pressing X FAN button in COOL or DRY mode the icon X FAN is displayed and the indoor fan will continue operation for 10 minutes in order to dry the indoor unit even though you have turned off the unit After energization X FAN OFF is defaulted X FAN is not available in AUTO FAN or HEAT mode TEMP Press this button could select displaying the indoor setting temperature or indoor ambient temperature When the indoor unit firstly power on it will display the setting temperature if the temperature s displaying status is changed from other status to N displays the ambient temperature 5s later or within 5s it receives other remote control signal that will return to display the setting temperature if the users haven t set up the temperature displayin
69. t gas has not leaked The limit density can not be exceeded even if the refrig erant leaks by any chance Turn the power off at the main power box mains before open ing the unit to check or repair electrical parts and wiring Keep your fingers and clothes away from any moving parts Clean up the site after you ve finished remember to check that no metal scraps or bits of wiring have been left inside the unit being serviced e The unit must be properly earth connected N Caution Never install the unit at the place where a combustible gas might leak The gas may ignite or explode when the gas leaks and collects in surround of the unit When the unit is installed at telecommunication centers or hospitals take a proper provision against noise When installing the unit at a watery place provide an electric leak breaker Do not wash the unit with water Be very careful about unit transportation The unit should not be carried by only one person if it is more than 20kg It may cause the damage of the unit and personnel injury Do not touch the heat exchanger fins with your hands otherwise your hands may be hurt Do not touch the compressor or refrigerant piping without wearing glove on your hands Touching directly such part can cause a burn or frostbite as it becomes high or low temperature according to the refrigerant state Do not operate the air conditioner without the air filter set place Dust may accumulate and a f
70. t will operate at the current setting command Freon mode will also be exited after operating for 25mins and then the unit will be turned off Outdoor Units 1 Input Parameter Compensation and Calibration 1 Check the input parameter compensation function As the instruction feature of split unit concerning the comfortable in heating mode the indoor ambient temperature of compressor stopping time is higher than preset temperature 2 Check effective judgment controls of parameters Effective judgment function of the outdoor exhaust temperature thermo bulb When conditions a and b are satisfied the outdoor exhaust temperature thermo bulb is judged not to be connected into place the mainboard of outer units will display failure of the outdoor exhaust temperature thermo bulb not connected into place stop the unit for repairing and resume it by remote controls of ON OFF 2 Basic Functions 1 Cooling Mode 1 Conditions and processes of cooling operation 1 If the compressor is stop and Tpreset Tindoor ambient ATcooling indoor ambient temperature compensation s 0 5 C start up the unit for cooling and start to cooling operation 2 During operations of cooling if 0 C lt Tpreset Tindoor ambient ATcooling indoor ambient temperature compensation lt 2 C the cooling operation will be still running 3 During operations of cooling if 2 C lt Tpreset Tindoor ambient ATcooling indoor ambient temperature compensa
71. them together with vinyl tape so that there is no gap 4 3 Evacuation After the piping has been connected to the indoor unit perform the air purge AIR PURGE Evacuate the air in the connecting pipes and in the indoor unit using a vacuum pump Do not use the refrigerant in the outdoor unit For details see the vacuum pump manual Air purging with vacuum pump Be sure to use a vacuum pump with counter flow prevention function so that oil inside the pump does not flow back into the air conditioner pipes when the pump stops If oil inside the vacuum pump enters into the air conditioner circuit which uses R410A trouble with the refrigeration system may develop 30 Installation Manual 1 Connect the charge hose from the manifold valve to the service port of the gas side packed valve 2 Connect the charge hose to the port of the vacuum pump 3 Open fully the low pressure side handle of the gauge manifold valve 4 Operate the vacuum pump to begin evacuating Perform evac uating for about 15 minutes if the piping length is 20 meters 15 minutes for 20 meters assuming a pump capacity of 27 liters per minute Confirm that the compound pressure gauge reading is 101 kPa 76 cmHg 5 Close the low pressure valve handle of gauge manifold 6 Open fully the valve stem of the packed valves both sides of Gas and Liquid 7 Remove the charging hose from the service port 8 Securely tighten the caps on the packed val
72. tion During cooling and drying 1 0utdoor temperature sensor hasnt been operation compressor will sop connected well or is damaged Please check it by after operating for about 3 mins I I referring to the resistance table for temperature hile indoor fan will operate sensor During heating operation the 2 The head of temperature sensor hasnt been complete unit will stop after inserted into the copper tube operating for about 3 mins All loads operate normally while t P i Refer to the malfunction analysis overload high operation requenc O 7 temperature resistant compressor is decreased All loads operate normally while The input supply voltage is too low operation frequency for System pressure is too high and overload compressor is decreased All loads operate normally whilefOverload or temperature is too high Operation frequency forfRefrigerant is insufficient compressor is decreased Malfunction of electric expansion valve EKV 1 Measure the voltage of position L and N on wiring XT if the voltage is higher than 265VAC I turn on the unit after the supply voltage is increased operation compressor will stop l to the normal range hile indoor fan will operate 2 1f the AC input is normal measure the voltage of During heating operation the electrolytic capacitor C on control panel AP1 if it s During cooling and complete unit will stop operation L
73. tion the cooling operation will stop after reaching to the temperature point 2 Temperature setting range 1 If Toutdoor ambient 2 Tlow temperature cooling the temperature can be set at 16 30 C Cooling at room temperature 2 If Toutdoor ambient lt Tlow temperature cooling the temperature can be set at 25 30 C Cooling at low temperature that is the minimum setting temperature for outdoor unit judgment is 25 C 2 Dry Mode 1 Conditions and processes of dry operations Same as the cooling mode 2 The temperature setting range is 16 30 C 3 Fan Mode 1 The compressor outdoor fan and four way valve are switched off 2 The temperature setting range is 16 30 C 23 Function and Control 4 Heating Mode 1 Conditions and processes of heating operations Tindoor ambient is the actual detection temperature of indoor environment thermo bulb ATheating indoor ambient temperature compensation is the indoor ambient temperature compensation during heating operations 1 If the compressor is stop and Tindoor ambient ATheating indoor ambient temperature compensation Tpreset lt 0 5 C start the machine to enter into heating operations for heating 2 During operations of heating if O C lt Tindoor ambient ATheating indoor ambient temperature compensation Tpreset c 2 C the heating operation will be still running 3 During operations of heating if 2 C s Tindoor ambient ATheating indoor amb
74. tructions when wiring Improper connections and inad equate grounding can cause accidental injury or death Ground the unit by following local electrical codes e Connect all wires tightly Loose wires may cause over heating at connection points and a possible fire hazard There is risk of fire electric shock explosion or injury Ask your dealer or specialized subcontractor for installation or repair work e Make sure that the ceiling wall is strong enough to hold the unit s weight The outdoor unit should be installed in a location where air and noise emitted by the unit will not disturb the neighbors e Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and the water may damage walls and floors The outdoor unit must be installed on stable level surface and the place where there is no accumulation of snow leaves or rubbish The unit should be installed according to the instructions in order to minimize the risk of damage from earthquake typhoon or strong wind When the refrigerant touches the fire etc it was decomposed and poisonous gas is will be generated Use only the specified refrigerant to charge the refrigerant circuit Do not mix it with any other refrigerant and do not allow air to remain in the circuit Air enclosed in the circuit can cause high pressure and result in a rupture and other hazards After completing installation work make sure that refriger an
75. unit pipe insulation material Bind them together with vinyl tape so that there is no gap Plastic bands Insulation material we kes pm 3 Wrap the area which accommodates the rear piping housing section with vinyl tape Connection pipe Vinyl tape wide Wrap with vinyl tape Wrap with vinyl tape Se Connecting cable Installation plate 4 Bundle the piping and drain hose together by wrapping them with vinyl tape for enough to cover where they fit into the rear pip ing housing section Indoor unit installation 1 Pass the drain hose and refrigerant pipes through the wall hole then set the indoor unit on the mounting plate hooks by using the markings at the top of the indoor unit as a guide Mounting plate 2 Swing the indoor unit to right and left to confirm that it is firmly hooked on the installation plate 3 While pressing the indoor unit onto the wall hook it at the lower part on the installation plate Pull the indoor unit toward you to confirm that it is firmly hooked on the installation plate For detaching the indoor unit from the installation plate pull the indoor unit toward you while pushing the bottom up at the speci fied places Push Push 4 Run the drain hose at a downward sloped angle Do not rise the drain hose Do not form the drain hose into the waved shape L 2 2 L 2 or more 4 X Z gt 7 gt SH NE Plo p AX Do not put
76. utdoor unit Main detection point e If control board AP1 and compressor COMP is well connected If they are loosened If the connection sequence is correct Is voltage input in the normal range Test the voltage between L N of wiring board XT by DC voltage meter If coil resistance of compressor is normal Is compressor coil insulating to copper pipe well If the work load of unit is heavy If radiating of unit is well If the refrigerant charging is appropriate Malfunction diagnosis process 52 Troubleshooting 53 Energize the unit and start it PM protection happened after the unit is running for a period time Test the voltage between L N of wiring board XT by AC voltage meter Check voltage of power supply and make it resume to 210VAC 250VAC Is L N voltage of XT in 210VAC 250VAC Please confirm 1 If the heat exchanger of outdoor and indoor unit is dirty If there is barrier to influence exchanger of outdoor and indoor unit 2 If the indoor and outdoor fan is running normal 3 If the ambient temperature is high which leads System pressure is high and exceed to the unit s range 4 If refrigerant charging is too much and leads the system pressure is high 5 Other situations which lead the system is high Y Start the unit test voltage test 3 of electrolytic capacity on control board AP1 N with DC voltage meter befo
77. ve ap proximately 45 or 3 seconds then closing it for 1 minute repeat 3 times After purging the air use a torque wrench to tighten the flare nut on liquid side valve 4 Check for gas leakage Check the flare connections for gas leakage 5 Discharge the refrigerant Close the valve on the gas cylinder and discharge the refriger ant until the gauge indicates 3 to 5 kg cm g 6 Disconnect the charge set and the gas cylinder and set the Liquid side and Gas side valves to the open position Be sure to use a hexagonal wrench to operate the valve stems 8 Mount the valve stem nuts and the service port nut Use torque wrench to tighten the service port nut to a torque of 1 8 kg m Be sure to check for gas leakage CAUTION Do not leak the gas in the air during Air Purging Balance Refrigerant of the 3 way Valve SUN Liquid side Gas leakage Lo Q OPEN ni CLOSE Procedure 1 Confirm that both the 2 way and 3 way valves are set to the back seat 2 Connect the charge set to the 3 way valve s port Leave the valve on the charge set closed Connect the charge hose to the service port Troubleshooting Outdoor unit 3 Open the valve Lo side on the charge set and dis charge the refrigerant until the gauge indicates 0 kg cm G f there is no air in the refrigerant cycle the pressure when the air conditioner is not running is higher than 1kg cm G disc
78. ves Compound p ressure gauge pressure gaug gauge 101kPa 76cmHg Handle Lo Handle Hi Keep full closed Charge hose For R410A only TUR hose For R410A only Connecting Vacuum pump pipe adapter for counter flow prevention For R410A only Packed valve at liquid side Packed valve at gas side Service port Valve core Setting pin CAUTION e IMPORTANT POINTS FOR PIPING WORK 1 Keep dust and moisture from entering the pipes 2 Tighten connections carefully between pipes and unit 3 Evacuate the air in the connecting pipes using a VACUUM PUMP 4 Check for gas leaks at all connections Packed Valve handling precautions e Open the valve stem all the way but do not try to open it beyond the stopper e Securely tighten the valve stem cap with torque in the following table Gas side 09 52 mm 33 to 42 Nem 3 3 to 4 2 kgf m Liquid side 6 35 mm 14 to 18 Nem 1 4 to 1 8 kgf m Service port 14 to 18 Nem 1 4 to 1 8 kgf m Cap Hexagon wrench 4mm 31 4 4 Wiring Connection 1 Strip the insulation from the wire 20mm 2 Connect the connection wires between the indoor and outdoor units so that the terminal numbers match Tighten the terminal screws securely The screws are packed with the terminal board Terminal block Connecting cable 7 5 Test Operation 1 Check that all tubing and wiring have been properly connected 2 Check that the gas an
79. wall cover into wall pipe 4 After completing refrigerant piping wiring and drain piping caulk pipe hole gap with puity Inside y Outside Wall embedded pipe field supply Caulking 7 pr Z Wall embedded pipe field supply 3 Flaring work and connection of piping 3 1 Flaring work Flaring work Main cause for refrigerant leakage is due to defect in the flaring work Carry out correct flaring work using the following procedure Cut the pipes and the cable 1 Use the piping kit accessory or pipes purchased locally 2 Measure the distance between the indoor and the outdoor unit 3 Cut the pipes a little longer than the measured distance 4 Cut the cable 1 5m longer than the pipe length O d65 Wall hole cover field supply Copper Slanted Uneven Rough l va Burr removal 1 Completely remove all burrs from the cut cross section of pipe tube 2 Put the end of the copper tube pipe in a downward direc tion as you remove burrs in order to avoid dropping burrs into the tubing O Pipe Reamer GD Point down Putting nut on Remove flare nuts attached to indoor and outdoor unit then put them on pipe tube having completed burr removal not possible to put them on after flaring work Flare nut Copper tube Flaring work Firmly hold copper pipe in a die in the dimension shown in the table above pampuancie Red arrow mark Carry out flaring work usi
80. zed Maintenance Center in the local area Basic Requirements For Installation Position Install in the following place may cause malfunction If it is unavoidable contact with service center please Place where strong heat sources vapors flammable gas or volatile object are emitted Place where high frequency waves are generated by radio equipment welders and medical equipment Place where a lot of salinities such as coast exists Place where the oil machine oil is contained in the air Place where a sulfated gas such as the hot spring zones is gen erated Other place with special circumstance 7 1 Tools Required for Installation not supplied 1 Gauge manifold 2 Electronic balance for refrigerant charging 3 Phillips head screwdriver 4 Knife or wire stripper 5 Carpenter s level 9 Hammer 10 Drill 11 Tube cutter 12 Tube flaring tool 13 Torque wrench 14 Adjustable wrench 15 Reamer for deburring 16 Vacuum pump For R410A 17 Gas leakage detector Installation Manual 7 2 Installation Position Selection 1 Indoor Unit 1 The air inlet and outlet vent should be far from the obstruction and make sure that the air can be blown through the whole room 2 Select a position where the condensing water can be easily drained out and the place is easily connected for outdoor unit 3 Select a location where the children can not reach 4 Can select the place where is strong enough

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