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Service Manual - Air

1. d oh Glgdctelg HEAT N pio O he MARK AREA a lE d o Lat ols 4 K1 us S Jee KON M g E RTI U E K2 x3 k4 cios 8i N M Gi ftp RS226 N ze ue ra TI ke mm ir C104 191501 288 wn tx me S P AVID CH cios C0202 2 2 Gi re die pos D204 R2280202 21 ma BL TZ SS D na oon RIAS RTA4 L1 L 19129 ci23 LI s o 1 2 RIZE M Ge W lle c107 2 4 C251 ma L D Ia wos sas ven BEE id E eng S304 seat neos TJ S a HH pex E Em NE 1 U204 a d TU E el D H pel PAZI st Len h Penal H E 1 CN uli Li pa IPM 1 EC wie cnet ng J L met JC 1 deen Le TE EH u5 ol h IT T T1 oa LI LE 8E UO Il 1 PR m ege Lj U t id nn 303 Tu R502 I Lien ny JE man A BB M A U pisa O FEE P ERD MA LAN GRJW842 A13 UI 2013705710710 134 e Bottom view Technical Information Compressor UVW three phases Reactor interface 2 Reactor interface 1 4 way valve interface Power supply neutral wire Power supply neutral wire Temperature sensor interface 13 Service Manual 6 Function and Control 14 6 1 Remote Controller Introduction Buttons on Remote Controller TON TOFF aod A A klaue nn FAN Iq gj AUTO a reat aul SPEED ON OFF t joe 8666 FAN SWING SLEEP EAR E
2. Loosen the clasp shown in the fig and then pull the left filter and right filer outwards to remove them left filter and right filer 2 Remove horizontal louver Push out the axile bush on horizontal louver Bend the horizontal louver with hand and then separate the horizontal louver from the crankshaft of step motor to remove it Horizontal louver Axile bush Installation and Maintenance o e Service Manual Se ln O 3 Remove panel Open the front panel separate the panel rotation shaft from the groove fixing the front panel and then removes the front panel Front panel Note The display of some models is fixed on the panel unscrew the screws fixing the display on the panel before removing the panel Groove 4 Remove electric box cover Remove the screws on the electric box cover to remove the electric box cover 5 Remove front case sub assy Remove the screws fixing front case Note 1 Open the screw caps before removing the screws around the air outlet 2 The quantity of screws fixing the front Front case case sub assy is different for different sub assy models Left clasp
3. Connect the control panel AP1 and Fi compressor COMP correctly accordin to the Electrical Wiring Diagram Then energize and start the unit T the resistance is normal E Tr Resistance higher han 500M N Y Replace the control panel AP1 END gt Take corrective actions according to Technical If the unit can Y Service Manual and Y then energize and start Work normally the unit Replace the control panel AP1 N If the unit can work normally Y N Replace the compressor COMP N v o o o Installation and Maintenance Service Manual 7 Diagnosis for high temperature overload protection check outdoor unit in cooling mode and check indoor unit in heating mode Main detection point elf the outdoor ambient temperature is in normal range elf the indoor and outdoor fan is running normally elf the radiating environment inside and outside the unit is well including if the fan speed is too low elf the tube temperature sensor of indoor and outdoor unit is normal Malfunction diagnosis process High temperature overload protection If the outdoor ambient temperature is higher than 53 C ir cooling mode if the ambient temperature of indoor and outdoor unit is too high of indoor and outdoor unit If the radiating of outdoo and indoor unit is well Y Improve the radiating mE environment of the u
4. Installation and Maintenance 56 Service Manual U D OO e o o 5 Part Code ACZEM4H4R09 CB162N08200_L14385 Front Panel Sub Assy 20012558 L14385 Filter Sub Assy 1112220403 Front Case Sub assy 2001213931 Rear Grill H fe a G a O O a o G o o lt o 9 S pde Bun EC meer EE TemperareSemor os Above data is subject to change without notice x o U c 77 gt e 10512157 a m D Ko 2 2 U a c c 3 O D m D be 2 o UJ o x gt Ro lt ES Ww Y LS 9 00 pu WE KEES ETIN 35 06 17 18 RSR 35 WER 38 MEE 24 25 26 Oa 28 29 30 La WC WER 39 28 36 o3 38 U o oO x UJ fe a D E D a c D D o o sch fe Pe ie ef ie ie oe ee ek ie ee ki ie ik ii ek oe ik NJ 7 10 11 12 13 14 t5 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 Installation and Maintenance o e 57 Service Manual Part Code ACZEM4C4R12 CB162N08700_L17107 20012830_L17107 ACZEM4H4R12 CB162N08100 L14385 20012830 L14385 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 3 Air Louver 2 Helicoid Tongue Left Axile Bush Rear Case assy Ring of Bearing
5. EN Use the multimeter to check whether the contact of the compressor is on when it is not overheated If it is not on then replace the protector Adjust the volume of the refrigerant W The capillary is blocked and the tem perature rises The compressor does not run smoothly or is stuck The air discharge valve is damaged Replace the capillary Replace the compressor The protector itself has malfunction L p Replace the protector Installation and Maintenance Service Manual The swing fan does not run The torque of the swing motor is not enough A In cool heat mode the outdoor unit and compres sor will not run Water leakage L Wrong connection First check whether the connection is wrong If no replace the parts The controller is damaged IC2003 is damaged the swing relay can not close etc Controller malfunction IC2003 broken creepage of parallel capaci tor of relay loop relay is broken etc Ee Change controller Wire loose or wrong connection Correctly wire according to the drawing Improper setting of temperature L Adjust setting temp Drainage pipe blocked or broken Change drainage pipe
6. 374 392 428 EPUM 464 482 30 79 167 29 54 168 8 28 36 170 6 27 23 172 4 26 15 174 2 25 11 176 24 13 177 8 23 19 179 6 22 29 181 4 21 43 183 2 20 6 185 19 81 186 8 19 06 188 6 6 33 244 4 246 2 248 249 8 251 6 253 4 255 2 257 258 8 33 8 35 6 37 4 39 2 6 13 5 93 5 75 5 57 5 39 5 22 5 06 4 90 6 54 242 6 42 8 44 6 46 4 48 2 d Installation and Maintenance 71 JF00302266
7. Service Manual MODEL ACZEM4H4R09 ACZCI4H4R09 ACZEMACAR12 ACZCIACAR12 ACZEMAHAR12 ACZCIAHAR12 Refrigerant R410A Service Manual Table of Contents Part Technical Information eese 1 1 Summary RR 1 Ke UC 2 2 1 Specification SS ANN 2 2 2 Operation Characteristic Curve REENEN 6 2 3 Capacity Variation Ratio According to Temperature ceeeeeeeeeesesseeeeee 6 2 4 Cooling and Heating Data Sheet in Rated Frequency ccccccccccceeseeeeeeeeeeereeeeeeeeees 7 2 95 NOISE CUVE c m 7 3 Outline Dimension Diagram H aAa 8 ord Ml o rers IAM NR MR TTD P PRENDE DIRETTA 8 3 2 O tdoor Dr Cr a 8 4 Refrigerant System Diagram lV E 9 5 Electrical bart 10 5 1 Winng DIG E 10 5 2 PCB Printed DIAEA NER E ese 12 6 Function and Control sss 14 6 1 Remote Controller Introduction ssi sisiesaiissassscvacdsanannes congas ander rasnensen enten CH dU AE xd au E ERE 14 6 2 Brief Description of Modes and Functions Au 17 Part Installation and Maintenance 23 T Notes for Installation and Maintenance 23 8 installati n eT 25 8 1 Installation Dimension Diagraii scutis pte biede Eeer 25 8 2 Installation Parts checking iau rtr Rer cease Sauces aeseszacazaieeenededeinsvinsvanedeceeaceuneeeceences 27 8 3 Selection of Installation Location E 27 8 4 Electric Conne
8. Wrap of refrigerant pipe joint is not close enough Re wrap and make it tight Fan of indoor unit contacts other parts M Adjust fan location Foreign object in indoor unit Take out the foreign object Compressor shakes too much Adjust support washer of compressor and tighten loosen screws Abnormal sound and shake Installation and Maintenance Touch of pipeline of outdoor unit L p Separate the touching pipeline Touch of inner plates Louver of outdoor unit touched outer case 1 Tighten connect screw 2 Stick absorbing clay between plates Adjust location of louver Abnormal sound inside compressor L 9 Change compressor 35 Service Manual 9 2 Flashing LED of Indoor Outdoor Unit and Primary Judgement Malfunction Name High pressure protection of System Display Method of Indoor Unit Indicator Display during Dual g blinking ON 0 5s and OFF Display Operation Cool Heating Indicator Indicator Indicator OFF 3s and blink once Display Method of Outdoor Unit Indicator has 3 kinds of display status and during blinking ON 0 5s and OFF 0 5s Yellow Red Green Indicator Indicator Indicator A C status During cooling and drying operation except indoor fan operates all loads stop operation
9. s In the cooling and heating mode the compressor runs but the out door fan does not run The built in heat protector of the motor breaks frequently because the motor is abnormal i gt Service Manual Replace the fan motor or the defective part Replace the fan motor Wrong connection Make the correction connection based on the circuit drawing The fan capacitor has open circuit or is damaged Replace the fan capacitor of the same type and same specification The outdoor fan motor is damaged Replace the fan motor Wrong connection Make the correct connection based on the circuit drawing The outdoor fan capacitor is damaged Replace the fan capacitor In the cooling and heating mode the outdoor fan runs but the compressor does not run Malfunction of compressor Replace the compressor Breakage of running capacitor of compressor Replace the capacitor The voltage is too low or too high Manostat is recommended Wrong wire connection Connect the circuit diagram correctly The protector itself has malfunction LR The refrigerant is not enough or is too The compres sor is too hot and leads to the action of the protector much
10. 10 IRI RI 89 85 5 65 85 X 5 85 Ir E Ni fA Na ERD 8 ERCUCCCUA Je DA ze 5 59 Installation and Maintenance 60 Service Manual No ACZCIACAR12 Product Code CB145W04500 L17107 10 n 12 13 14 15 Electric Heater Compressor 16 r Gover Sup Any osom 31 18 Haer 0838 1 Above data is subject to change without notice e o Installation and Maintenance Service Manual ACZCI4H4R09 ACZCI4H4R12 Installation and Maintenance 61 62 No 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Service Manual D ipti Part Code ion oe ACZCIAHARO9 ACZCIAHAR12 CB145WO4600_114385 01473051 1038300901 1501307801 20055001 01703122 00183032 Electric Heater Compressor 76612814 03073152 01253071 0130318001 01163946 01713089 06123024 02803264P 33010034 3900030805 30138000228 ElecticBoxAssy omo osoon 1 Above data is subject to change without notice e 9 Installation and Maintenance Service Manual 11 Removal Procedure 11 1 Removal Procedure of Indoor Unit AN Caution discharge the refrigerant completely before removal 1 Remove filter Open the panel
11. 11300 12000 300 1350 pH Ke inch r min r min 0 5 15 5 0 u inch inch A ee Technical Information Service Manual Outdoor Unit Outdoor Unit Model ACZCI4H4R09 Outdoor Unit Product Code FY CB145W04400_L14385 Compressor Manufacturer ZHUHAI LANDA COMPRESSOR CO LTD Compressor Model PF QXA A091ZE190A GREE compressor Oi o FVC BbeRB EP Compressor Type Z Rotay Compressor RLA o 1 1 1 A IL J J 0 730 Compressor Power opt LW 942 1NT11L 6233HPC115 95U1 Compressor Overload Protector o KSD115 C Throttling Method FP U Capillary Set Temperature Range 61 86 Cooling Operation Ambient Temperature Range 64 109 Heating Operation Ambient Temperature Range 19 75 Condenser Form Aluminum Fin copper Tube Fan Motor Power Output PW Fan Motor REAP A FanMoorCapador O Ww 2 Outdoor Unit Air Flow Volume LML a Fate rt Defrosting Method Automatic Defrosting Climate Type TH Isolation Moisture Protection PH Permissible Excessive Operating Pressure for the MPa 4 3 Discharge Side Permissible Excessive Operating Pressure for the MPa 2 5 Suction Side Net Weight LPL 2667 Gross Weight o 1 db AJ 662 O Refrigerant 0 1 1 R404 J ote The connection pipe applies metric diameter The above data is
12. 32 55 56 55 4 13 79 80 78 8 57 58 57 2 14 80 6 59 60 59 15 82 83 82 4 61 62 60 8 16 84 85 84 2 39 40 62 6 17 86 87 41 42 64 65 64 4 18 88 89 87 8 428 0 Fahrenheit display Fahrenheit temperature CF CF 3233 32 42 8 90 896 7 68 20 914 93 2 71 6 22 95 10 73 4 23 96 8 11 752 24 99 986 77 O D o c of AIom2A S A Gd Appendix 2 Configuration of Connection Pipe 1 Standard length of connection pipe Cooling capacity ketona ee S E 5000 Btu h 1465 W 49 21ft 16 40ft 2 Min length of connection pipe is 3m 7000 Btu h 2051 W 49 21ft 16 40ft 3 Max length of connection pipe and max high difference 9000 Btu h 2637 W 49 21ft 32 BIH 4 The additional refrigerant oil and refrigerant charging reguired after 12000 Btu h 3516 W Ss emm ECKE prolonging connection pipe 18000 Btu h 5274 W 82 02ft 32 81ft e After the length of connection pipe is prolonged for 10m at the basis 24000 Btu h 7032 W 82 02ft 32 81ft of standard length you should add 5ml of refrigerant oil for each 28000 Btu h 8204 W 98 43ft 32 81ft adaitional smor connectionipipe 36000 Btu h 10548 W 98 43ft 65 61ft e The calculation method of additional refrigerant charging amount on 42000 Btu h 12306 W 98 43ft 65 61ft the basis of liquid pipe 48000 Btu h 14064 W 98 43ft 65 61ft e When the length of connection pipe is above 5m add refrigerant according to the prolonged length of liquid pipe The additional refrigerant charg
13. 1 When Cooling Operation When the outdoor air temperature is lower than 99 F the fan tap must be set to L 2 When Heating Operation When the outdoor air temperature is higher than 39 F the fan tap must be turned to L only for heat pump model Refrigerant Recycling Function applicable when changing installation location or in maintenance 1 Enter refrigerant recycling function Within 5min after energizing unit ON or OFF status is ok continuously press LIGHT button for 3 times within 3s to enter refrigerant recycling mode Fo is displayed and refrigerant recycling function is started At this moment the maintenance people closes liquid valve After 5min stick the thimble of maintenance valve with a tool If there is no refrigerant spraying out close the gas valve immediately and then turn off the unit to remove the connection pipe 2 Exit refrigerant recycling function After entering refrigerant recycling mode when receive any remote control signal or enter refrigerant recycling mode for 25min the unit will exit refrigerant recycling mode automatically If the unit is in standby mode before refrigerant recycling it will be still in standby mode after finishing refrigerant recycling if the unit is in ON status before refrigerant recycling it will still run in original operation mode Compulsive Defrosting Function 1 Start up compulsory defrosting function Under ON status set heating mode with remote controller and adjust
14. 10 5 Pipe length 24 6 ft 10 5 Pipe length 24 6 ft z 9 0 i i i z 9 0 H i i H H Zio 75 O 60 O 6 0 4 5 4 5 l 3 0 3 0 1 5 1 5 0 i i i i i i i 0 i i i i i i 0 10 20 30 140 50 60 70 80 90 0 10 20 30 40 50 60 70 80 90 100110120 Compressor speed rps Compressor speed rps 2 3 Capacity Variation Ratio According to Temperature Cooling Heating 120 110 100 80 e o 60 E ES S E bai e i S I I O 40 l i i U Condition __ Condition i Indoor DB 80 F WB67 F ndoorDB 70 F weer gp bess Meses Indoor air flow Super High LI _ Indoor air flow Super High Pipe length 24 6ft 20 Pipe length 24 6ft j aor a on oo l I j I I I I 50 4 0 I I 90 95 100 105 110 115 Outdoor temp F Outdoor temp F eo 9 Technical Information Service Manual 2 4 Cooling and Heating Data Sheet in Rated Frequency Cooling Rated cooling Pressure of gas pipe Inlet and outlet pipe condition F connecting indoor and temperature of heat of indoor of outdoor freguency DB WB outdoor unit exchanger i i Hz P MPa TCP T2 F un id 80 67 95 75 ACZEM4H4RO9 ACZCIAH4RO9 0 9 to 1 1 541057 158 to 104 Super High ACZEM4C4R12 ACZCI4C4R12 l I 27 19 35 24 0 9 to 1 1 541057 158 to 104 Super High High 79 ACZEM4H4R12 ACZCI4H4R12 Heating Rated heatin
15. 4902 1022 se 1724 1897 2426 oe 338 466 104 ee 1742 193 2444 oan 956 aan 1058 zess we 1071 2462 awe s4 4214 tore 7352 1778 sen 248 057 392 4009 1094 7065 i796 1754 2498 aas 41 38 me se 1814 169 2516 054 428 3632 ns 6529 1832 1645 2534 05322 446 sass 148 ses 185 1594 2552 0519 464 3294 nes ses 1868 1544 257 0505 se ss i mee sam j ises 147 mms 0 492 299 1202 ses 1904 1451 2606 oss Cois ws 12 ss wee 1s 224 naar 536 2718 1288 5197 194 1369 2642 0456 554 2592 1256 4906 1958 1322 266 oan 572 am 1274 4802 i976 1282 2678 048 RE 296 1292 4625 1994 1244 2606 042 608 2259 191 4456 2012 1207 2714 om2 626 215 1328 4294 23 1m z732 0401 644 aa 1946 um 2048 1136 275 osn 662 1963 1964 399 2066 up 2768 0382 d Installation and Maintenance 75 Service Manual Resistance Table of Tube Temperature Sensors for Indoor and Outdoor 20K ener Resistance ka Temp F Resistance ka Temp F Resistance kO Temp F Resistance kO 22 1814 68 2501 1382 au 2084 1427 04
16. 1 Select installation location according to the house structure 2 Fix the support of outdoor unit on the selected location with expansion screws A Note 1 Take sufficient protective measures when installing the outdoor unit 2 Make sure the support can withstand at least four times the unit weight 3 The outdoor unit should be installed at least 1 1 6inch above the floor in order to install drain joint As show in Fig 18 4 For the unit with cooling capacity of 2300W 5000W 6 expansion screws are needed for the unit with cooling capacity of 6000W 8000W 8 expansion screws are needed for the unit with cooling capacity of 10000W 16000W 10 expansion Screws are needed Chassis Outdoor drain joirt Drain vent Drain SE Fig 18 Fig 19 2 Install Drain Joint Only for cooling and heating unit 1 Connect the outdoor drain joint into the hole on the chassis 2 Connect the drain hose into the drain vent As show in Fig 19 atleast 1 1 6inch above the floor 3 Fix Outdoor Unit 1 Place the outdoor unit on the support 2 Fix the foot holes of outdoor unit with bolts As show in Fig 20 Foot holes Handle Screw Foot holes 4 Connect Indoor and Outdoor Pipes 1 Remove the screw on the right handle of outdoor unit and then remove the handle As show in Fig 21 2 Remove the screw cap of valve and aim the pipe joint at the bellmouth of pipe As show in Fig 22 S L
17. Installation and Maintenance Service Manual Display Method of Outdoor Display Method of Indoor Unit p ay gen Indicator has 3 kinds of display status and during blinking ON 0 5s and OFF 0 5s Displ Spir Operation Cool Heating Yellow Green Indicator Indicator Indicator Indicator ut Indicator OFF 1S and blink 17 times Indicator Display during Malfunction 5 alg SR ON 0 5s and OFF Name OFF 3S OFF 3S 1times 1 times and blink once OFF 3S and blink twice OFF 1S and blink 6 times OFF 3S and blink 3 times OFF 3S and blink 4 times OFF 1S and blink 7 times OFF 3S and blink 5 times OFF 1S and blink 3 times OFF 3S and blink 8 times Installation and Maintenance A C status When the outdoor unit receive signal of Gathering refrigerant the system will be forced to run under cooling mode for gathering refrigerant During cooling and drying operation indoor unit operates while other loads will stop during heating operation the complete unit will stop operation AC stops operation once reaches the setting temperature Cooling drying internal fan motor stops operation while other loads stop operation heating AC stop operation During cooling and drying operating compressor stops while indoor fan operates During heating operation the complete unit will stop operation During cooling and drying operation compressor stops while indoor fan
18. O Gasket sub assy of Bearing Cross Flow Fan Evaporator Support Evaporator Assy Motor Press Plate Wall Mounting Frame Drainage Hose Fan Motor Connecting pipe clamp Rubber Plug Water Tray Cable Cross Plate Stepping Motor Crank Screw Cover Air Louver 1 Electric Box Magnetic Ring Terminal Board Electric Box Cover2 Main Board Capacitor CBB61 Jumper Shield Cover of Electric Box Shield Cover of Electric Box Sub assy Lower Shield Sub assy of Electric Box Above data is subject to change without notice 58 1112220403 2001213931 10512157 10542036 01472013 10512165 26112163C 10512037 2220210309 26152022 7651205102 10352017 24212091 0100242201 26112161 01252021 0523001401 1501208905 26112164 76712012 02122039 1521212901 10582070 24252016 10512164 2011216702 49010104 42011233 2012207504 30138000243 33010002 4202300107 01412036 01592073 01592072 10000201033 30565073 390000453 390000599 1112220403 2001213931 10512157 10542036 01472013 10512165 26112163C 10512037 2220210309 26152022 7651205102 10352017 24212091 0100242201 26112161 01252021 0523001401 1501208905 26112164 76712012 02122039 1521212901 10582070 24252016 10512164 2011216702 49010104 42011233 2012207504 30148875 33010002 4202300107 01412036 01592073 01592072 10000200511 30565026 390000453 390000599 Installation and Maintenance 10 2 Outdoor Unit ACZCIACAR12 Service Manual 11
19. amp __ Improper expanding nr VES leaning damaged crack uneven v surface thickness The length is equal 74 ee Installation and Maintenance Service Manual Appendix 4 List of Resistance for Temperature Sensor Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor 15K Temp F Resistance kQ Temp F Resistance ka Temp F Resistance ka __ Temp T Resistance k 22 1381 68 1875 1382 3848 2084 107 04 1286 698 1799 140 am 2102 109 14 te ne om ms 3570 202 109 32 us 724 1639 1436 3454 2198 we 5 187 752 1568 1454 ae 2156 oss es 19 7 15 wa s27 2174 oe es ne p ws a EE oss i04 ee 806 1374 1508 2998 21 oe i22 Sa s4 1316 1526 2006 2228 048 ta sem 842 126 1544 2797 2246 0825 158 7843 1207 1562 2702 2264 0802 176 ms es 1157 15 268 2282 0779 i94 705 s96 no 1598 2520 230 075 212 6688 914 we 1616 2439 2818 0737 2a ess os2 102 1634 2358 2836 a 248 aa 95 9770 1652 228 2854 oe 266 57 8 968 9382 167 2206 2972 oes 24 se ss eos wes 2188 ze os 302 5159 1004 8642 1706 2064 2408 02 a2
20. nawi O o b 239 29 Gross Weigt hb 24 Z8 Fan Motor RLA A u Indoor Unit wing Motor Model Fuse Current e 3 o o o U W GM DM ODIOM MMI IT T TI 1010 lt lt lt lt o o ele 8 isles 8 iS 8 EE zs esses solo SIPISIEIENE lS SSS 8 s 2 E a lala A 2 go 2 o z x mi9 p ZS U o 6 sl a 2 2 Dic o 3 bd 3 9 oO It D I o olo D oO s3 O Sal E 2 E m g c TIL O ERE S 0 ke Se 0 TIT c E L X SIT U ME Ki a z CIE Wa r 4 ee Technical Information Service Manual Outdoor Unit utdoor Unit Model U ACZCI4C4R12 ACZCI4H4R12 utdoor Unit Product Code B145W04500 L17107 CB145W04600 L14385 m ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR CO LTD CO LTD i Compressor Manufacturer QXA A091zE190A GREE QXA A091ZE190A GREE FVC 68D or RB 68EP FVC 68D or RB 68EP Rotary Rotary ompressor Model ompressor Oil ompressor Type ompressor LRA ompressor RLA 7 30 942 7 30 942 ompressor Power Input Compressor Overload Protector hrottling Method et Temperature Range Cooling Operation Ambient 1NT11L 6233HPC115 95U1 KSD115 C E Capillary 61 86 1NT11L 6233HPC115 95U1 KSD115 C Capillary 61 86 64 109 64 109 Temperature Range Heating Operation Ambient Temperature Range ondenser Form ondenser Pipe Diameter ondenser Rows fin Gap ondenser Coil Length LXDXW an Motor Speed an Motor
21. o o EVAPORATOR ELECTRIC BOX G G SWING UD PGF PG CON MANUAL V WING es WIRED CONTROLLER LJ Nc SWING MOTOR U D FAN MOTOR WIRED CONTROLLER IS OPTIONAL 7 ee Technical Information Service Manual e Outdoor Unit ACZCIACAR12 ACZCIAHA4R09 ACZCIAHAR12 These wiring diagrams are subject to change without notice please refer to the one supplied with the unit Technical Information TUBE OUTROOM EXHAUST o LI TEM SENSOR TEM SENSOR TEM SENSOR arr L2 RTI RD d O Mg H H H TERMINAL BU D BLOCK POWER a LX1 1 LX1 2 CN2 xn XT L1 BU L4 i Li BK L4 AP2 2 2 COMU 3 IR U WIE AC L eS Secr OFAN OVC COME INDOOR YEGN U VON Y lt UNIT Gc ELECTRIC BU YE RD SAT MID ISOLATION SHEET BOX x SI ve G o a ae o o L2 W20 YEGN W19 YEGN TUBE QUTROON EXHAUST L o U TEM SENSOR TEM SENSOR TEM SENSOR TE sare Y RIIT Bn RT3 AYV is e ej 8 L3 H TERMINAL BU BN BLOCK POWER A LMA LX1 2 CN2
22. 1 The pipe can be led out in the direction of right rear right left or rear left As show in Fig 3 2 When selecting leading out the pipe from left or right please cut off the corresponding hole on the bottom case As show in Fig 4 mM Rear left lt i Rear right Fig 3 Right Left Right Cut off the hole Fig 4 28 Service Manual 5 Connect the Pipe of Indoor Unit 1 Aim the pipe joint at the corresponding bellmouth As show in Fig 5 2 Pretightening the union nut with hand 3 Adjust the torgue force by referring to the following sheet Place the open end wrench on the pipe joint and place the torgue wrench on the union nut Tighten the union nut with torgue wrench As show in Fig 6 4 Wrap the indoor pipe and joint of connection pipe with insulating pipe and then wrap it with tape As show in Fig 7 Open end wrench i Pipe joint Union nut Daf RIT Fig 5 Indoor pipe Fig 6 D Vv Insulating pipe Fig 7 Refer to the following table for wrench moment of force 01 2 33 19 40 56 6 Install Drain Hose 1 Connect the drain hose to the outlet pipe of indoor unit As show in Fig 8 2 Bind the joint with tape As show in Fig 9 Drain hose Outlet pipe Tap Fig 9 Note 1 Add insulating pipe in the indoor drain hose in order to prevent condensation 2 The plastic expansion particles are not provided As show in Fig 10 SCH hos
23. 2 In case the operation mode is heating The current droops when outdoor air temperature becomes higher than a certain level model by model Freeze up Protection Control Outline During cooling operation the signals being sent from the indoor unit allow the operating frequency limitation and then prevent freezing of the indoor heat exchanger The signal from the indoor unit must be divided into the zones as the followings Detail 1 Conditions for Start Controlling Judge the controlling start with the indoor heat exchanger temperature after 2 sec from operation start 2 Control in Each Zone Heat exchanger thermistor temperature Return Reset zone Up zone Keep zone Drooping zone Stop zone Heating Peak cut Control Outline Heat Pump Only During heating operation the signals being sent from the indoor unit allow the operating frequency limitation and prevent abnormal high pressure The signal from the indoor unit must be divided as follows Detail 1 Conditions for Start Controlling Judge the controlling start with the indoor heat exchanger temperature after 2 sec from operation start 2 Control in Each Zone The heat exchange intermediate temperature of indoor unit controls the following Stop zone Drooping zone Keep zone Up zone Heat exchanger thermistor temperature Reset zone Defrost Control Outline Heat Pump Only Defrosting is carried out by the cooling cycle reverse cycle The defrosting
24. 3S and blink 23 times OFF 3S and blink 20 times OFF 3S and blink 19 times Outdoor DC fan motor DC fan motor malfunction or malfunction lead to compressor system blocked or the connector stop operation compressor stop operation and Outdoor fan motor will stop 30s latter 3 minutes latter fan motor and compressor will restart compressor and Outdoor fan motor can t work During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation loosed To protect the electronical components when detect high power Indoor unit and outdoor unit doesn t match Refer to the malfunction analysis Installation and Maintenance Service Manual Malfunction Name Display Method of Indoor Unit Indicator Display during blinking ON 0 5s and OFF 0 5s Operation Cool Heating Yellow Red Green Indicator Indicator Indicator Indicator Indicator Indicator OFF 3S and blink 13 times OFF 3S and blink 20 times and blink 18 times Display Method of Outdoor Indicator has 3 kinds of display status and during blinking ON 0 5s and OFF 0 5s A C status Possible Causes During cooling and drying operation compressor will stop while indoor fan
25. A C status Green Indicator Indicator During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation Possible Causes Refer to the malfunction analysis overload high temperature resistant Refer to the malfunction analysis IPM protection loss of synchronism protection and overcurrent protection of phase current for compressor Internal motor fan motor do not operate Desynchro nizing of compressor OFF 3S and blink 11 times OFF 3S OFF 1S OFF 3S and blink 7 times Internal fan motor external fan motor compressor and electric heater stop operation guide louver stops at present location During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation 1 Bad contact of DC motor feedback terminal 2 Bad contact of DC motor control end 3 Fan motor is stalling 4 Motor malfunction 5 Malfunction of mainboard rev detecting circuit Refer to the malfunction analysis IPM protection loss of synchronism protection and overcurrent protection of phase current for compressor Refer to the malfunction analysis 40 Failure start up OFF
26. During heating operation the complete unit stops Possible Causes Possible reasons 1 Refrigerant was superabundant 2 Poor heat exchange including filth blockage of heat exchanger and bad radiating environment Ambient temperature is too high 36 Antifreezing protection In defect of refrigerant High discharge temperature protection of compressor Overcurrent protection Communi cation Malfunction High temperature resistant protection EEPROM malfunction Limit decrease frequency due to high temperature of module Malfunction protection of jumper cap OFF 3S and blink twice OFF 3S and blink 4 times OFF 3S and blink 5 times OFF 3S and blink 6 times OFF 3S and blink and blink 15 times OFF 1S and blink 9 times OFF 1S and blink 7 times OFF 1S and blink 5 times OFF 1S and blink 6 times During cooling and drying operation compressor and outdoor fan stop while indoor fan operates The Dual 8 Code Display will show FO and the complete unit stops During cooling and drying operation compressor and outdoor fan stop while indoor fan operates During heating operation all loads stop During cooling and drying operation compressor and outdoor fan stop while indoor fan operates During heating operation all loads stop During cooling operation compressor stops while indoor fan motor operates During heating operation the com
27. Measure the voltage of this foot to neutral Y wire on the mainboard Replace PG motor Is malfunction d no eliminated yes gt v Replace the mainboard with the same model a Installation and Maintenance o e 45 Service Manual 3 Malfunction of Protection of Jumper Cap C5 Troubleshooting for C5 malfunction Is there jumper cap on the mainboard Appearance of no the jumper cap Assemble the jumper cap with the same model yes Is malfunction s no eliminated the jumper cap inserted no correct ly and 1 2 tightly 7 Insert the jumper cap tightly yes m EE es v Replace the jumper cap with the same model yes Is apalfuncti n yes minat no v D Replace the mainboard with the same model v WE 46 e 9 Installation and Maintenance Service Manual 4 Communication malfunction E6 Start Cut off power check if the wire between indoor unit and outdoor unit and the wire inside electric box are connected correctly Connected correctly Is there incorrect match between the mainboard and the display panel or between the indoor and outdoor mainboards wiring Reconnect the wire No paccording to Malfunction is diagram eliminated oP Match them
28. Middle clasp Right clasp Front case Loosen the clasps at left middle and right sub assy sides of front case Life the front case sub assy upwards to remove it Remove screws fixing the finger guard grille and then remove the finger guard grille 64 e o Installation and Maintenance Service Manual steps Procedure 6 Remove vertical louver Loosen the connection clasps between vertical louver and bottom case to remove vertical louver 7 Remove electric box assy Loosen the connection clasps between shield cover of electric box sub assy and electric box and then remove the shield cover of electric box sub assy Shield cover of electric box sub assy Cut off the tieline which binding the temperature sensor and grounding wire on the evaporator and then pull out the indoor tube temperature sensor from the evaporator Remove the screws at the connection place between grounding wire and evaporator Pull out the wiring terminal of motor and wiring terminal of step motor from the mainboard Temperature sensor Grounding wire Wiring Evaporator terminal Note 1 Location of tube temperature sensor and tieline on the evaporator is different for different models 2 When pulling out the wiring terminal Location of ground pay attention to loose the clasp and don t wire screw pull it so hard f motor Wi
29. Power Output an Motor RLA an Motor Capacitor utdoor Unit Air Flow Volume an Type an Diameter efrosting Method limate Type solation Moisture Protection Permissible Excessive Operating Pressure for the Discharge Side 19 75 Aluminum Fin copper Tube 2 7 2 1 18 25 1 2X1 1 2X20 4 5 880 880 21 0 25 Ada fow O 014 3 5 Automatic Defrosting T T MPa Aluminum Fin copper Tube Q2 7 2 1 18 942 Axial flow Permissible Excessive Operating Pressure for the Suction Side ound Pressure Level H M L ound Power Level H M L imension WXHXD 28X21 2 3X12 1 2 28X21 2 3X12 1 2 imension of Carton Box LXWXH 30 1 3X13 5 7X23 1 3 30 1 3X13 5 7X23 1 3 NetWeigt d lb 65 662 GrossWeight b 695 206 O Refrigerant o R41000 DDR Connection Pipe Gas Additional oz ft 0 2 0 2 Charge MPa 2 5 2 5 53 63 53 63 dB A dB A Note The connection pipe applies metric diameter The above data is subject to change without notice Please refer to the nameplate of the unit Technical Information o Service Manual 2 2 Operation Characteristic Curve Cooling Heating 15 0 Conditions 15 0 Conditions 13 5 Indoor DB 80F WB 67F 13 5 Indoor DB 70F WB 60F Outdoor DB 95F WB75F Outdoor DB 47F WB 43F 12 01 Indoor air flow Turbo 12 0 Indoor air flow Turbo
30. SPEED 2 gg SPEED 3 ggf SPEED degt pr AUTO 4 af t all Note Under Auto speed air conditoner will select proper fan speed automatically according to ambient temperatrue Fan speed can t be adjusted under DRY mode 5 SWING Button Press this button to turn on up amp down air swing 6 SLEEP Button Under Cool Heat mode press this button to turn on sleep function Press this button to cancel Sleep function Under Fan Dry and Auto mode this function is unavailable 7 TIMER Button When unit is on press this button to set Timer Off T OFF and H icon will be blinking Within 5s press or button to adjust the time for Timer Off Pressing or button once will increase or decrease the time by 0 5h Hold or button for 2s time will change quickly Release the button after your required set time is reached Then press TIMER button to con rm it T OFF and H icon will stop blinking When unit is off press this button to set Timer On T ON and H icon will be blinking Within 5s press or button to adjust the time for Timer On Pressing or button once will increase or decrease the time by 0 5h Hold or button for 2s time will change quickly Release the button after your required set time is reached Then press TIMER button to con rm it T ON and H icon will stop blinking Cancel Timer On Off If Timer function is set up press TIMER button once to review the remaining time Within 5s pres
31. TIMER LC a Icon Display on Remote Controller ON OFF button MODE button botton FAN button SWING button SLEEP button 000 00 O TIMER button y Timer on Timer off Sending signal Ne For auto operation Geier SH A A ex P SWNG For air swing UT o WISEN For drying 1 pry d i uu i F OPER P SLEEP For sleeping For fan only FAN lt WR CU auro LOCK r For locking For heating peara m all SPEED For setting fan speed T T Set temperature 1 as MEDINU satima Operation introduction of remote controller Note When power is connected stand by condition you can operate the air conditioner through the remote controller When unit is on each time you press the button on remote controller the sending signal icon on the display of remote controller will blink once If the air conditioner gives out a beep sound it means the signal has been sent When unit is off set temperature will be displayed on the remote controller If the light of indoor unit display is turned on the corresponding icon will be displayed When unit is on it will display the icon of the on going function 1 ON OFF Button Press this button to turn unit on off 2 MODE Button Pressing this button once can select your required mode circularly as below the corresponding icon Pr will be lit up after the mode is selected AUTO gt COOL DRY P
32. different function 1 General timer start and stop time can be set The accuracy is minute E g timer on for 1 hour timer off for 1 5 hours Timer on after setting timer on the unit will run at setting time according to the original setting mode The timing interval is 0 5hour and the setting range is 0 5 24hours Timer off the timer off function can be set when the unit is on When the setting time for timer off is reached the unit will stop The timing interval is 0 5hour and the setting range is 0 5 24hours 2 Clock start and stop time can be set The accuracy is minute E g timer on at 8 00a m timer off at 17 30p m Timer on if the timer on function is set when the system is on the system will go on running If the timer on function is set when the system is off the system will start running in the previously set mode when the setting time is reached Timer off if the timer off function is set when the system is off the system will keep off even though the setting time is reached If t he timer off function is set when the system is on the system will stop running when the setting time is reached e 9 Technical Information Service Manual Timer modification when the system is under timer state start or stop of the unit can be set via remote ON OFF button and the timer can be reset The system runs according to the latest setting state When both the timer on and timer off are set the system runs according to the curr
33. in the pipe before pipe goes into the room in order to prevent rain from getting into the room As show in Fig 24 The drain hos x can t raise upwards t1 J Fig 25 H H H m B Q ZS U shaped curve Fig 24 Drain T d Installation and Maintenance Service Manual Note 1 The through wall height of drain hose shouldn t be higher than the outlet pipe hole of indoor unit As show in Fig 25 2 Slant the drain hose slightly downwards The drain hose can t be curved raised and fluctuant etc As show in Fig 26 3 The water outlet can t be placed in water in order to drain smoothly As show in Fig 27 X The water outlet x The drain hose x Se placed CS can t be fluctuant The water outlet can t be Lin Bia Fig 27 Fig 26 8 7 Vacuum Pumping and Leak Detection 1 Use Vacuum Pump 1 Remove the valve caps on the liquid valve and gas valve and the nut of refrigerant charging vent 2 Connect the charging hose of piezometer to the refrigerant charging vent of gas valve and then connect the other charging hose to the vacuum pump 3 Open the piezometer completely and operate for 10 15min to check if the pressure of piezometer remains in 0 1MPa 4 Close the vacuum pump and maintain this status for 1 2min to check if the pressure of piezometer remains in 0 1MPa If the pressure decreases there may be leakage 5 Remove
34. normal according to the resistance sheet Dese Lee Y Replace control board Wo vyv N Replace discharge temp sensor ED LUE End Installation and Maintenance Service Manual 11 Communication malfunction Main detection point eCheck if the connection wire and the built in wiring of indoor and outdoor unit is connected well and no damaged elf the communication circuit of indoor mainboard is damaged If the communication circuit of outdoor mainboard AP1 is damaged Malfunction diagnosis process the unit is operating normally before malfunction Check if the controller connection wire electric box is loose Connectwire of indoor and outdoor unit according to heck connection wire of indoor and outdoor unit with circuit diagra j Connection inside indoor and outdoor Y correct the connection wire circuit diagram Check communication circuit of outdoor unit N If the malfunction is removed 2 Replace outdoor Y mainboard AP1 Problem of communication circuit N v Replace indoor mainboard Installation and Maintenance ui Y Connect wire of indoor and outdoor unit according to circuit diagram If the malfunction is removed 55 Service Manual 10 Exploded View and Parts List 10 1 Indoor Unit
35. of cold air prevention 3 Protection Cold air prevention The unit is started under heating mode the compressor is ON In the case of T indoor amb lt 75 2 F if T tubes104 F and the indoor fan is at stop state the indoor fan will begin to run at low speed with a time lag of 2 minutes Within 2 minutes if T tube 104 F the indoor fan also will run at low speed and after 1 minute operation at low speed the indoor fan will be converted to operation at preset speed Within 1 minute low speed operation or 2 minute non operation if T tube 107 6 F the fan will run at present speed In the case of T indoor amb 275 2 F if T tube lt 107 6 F the indoor fan will run at low speed and after one minute the indoor fan will be converted to preset speed Within one minute low speed operation if T tube gt 107 6 F the indoor fan will be converted to preset speed Note T indoor amb indicated in and refers to under initially heating mode the indoor ambient temperature before the command to start the compressor is performed according to the program or after the unit is withdrawn from defrost the indoor ambient temperature before the defrost symbol is cleared Total current up and frequency down protection When total current Itotals6A increase frequency is allowed when total current Itotal27A increasing frequency is prohibited when tota current Itotal28A the unit operates by decreasing frequency When total current Ito
36. protection for compressor Installation and Maintenance while indoor fan will operate During heating operation the complete unit will stop operation Showing during middle cooling or middle heating test Refer to the malfunction analysis IPM protection loss of synchronism protection and overcurrent protection of phase current for compressor Refer to the part three charging malfunction analysis of capacitor Replace outdoor control panel AP1 After the complete unit is de energized for 20mins check whether the thermal grease on IPM Module of outdoor control panel AP1 is sufficient and whether the radiator is inserted tightly If its no use please replace control panel AP1 Refer to the malfunction analysis overload high temperature resistant 1 Wiring terminal OVC COMP is loosened In normal state the resistance for this terminal should be less than 1ohm 2 Refer to the malfunction analysis discharge protection overload 39 Service Manual Malfunction Name Display Method of Outdoor Display Method of Indoor Unit Indicator has 3 kinds of Indicator Display during Dual g blinking ON 0 5s and OFF Code 0 5s Display Operation Cool Heating Indicator Indicator Indicator display status and during 0 5s OFF 3S OFF 1S and blink and blink 4 times 6 times OFF 3S OFF 1S and blink and blink 5 times 4 times blinking ON 0 5s and OFF Yellow Indicator
37. screw fixing holes on the wall with impact drill the specification of drill head should be the same as the plastic expansion particle and then fill the plastic expansion particles 27 in the holes 3 Fix the wall mounting frame on the wall with tapping screws ST4 2X25TA and then check if the frame is firmly installed by pulling the frame If the plastic expansion particle is loose please drill another fixing hole nearby 3 Install Wall mounting Frame 1 Choose the position of piping hole according to the direction of outlet pipe The position of piping hole should be a little lower than the wall mounted frame As show in Fig 1 ka Mark in the middle of it Level meter vall rk in mi i Space S 2 q T Spac YX to the to the wall wall above above 58 9 15 8 9 inch inch Woo Q ie Left E S 7 7 7 Right c2 1 6inch Fig 1 c2 1 6inch CRear piping hole CRear piping hole 2 Open a piping hole with the diameter of 2 1 6 inch on the selected outlet pipe position In order to drain smoothly slant the piping hole on the wall slightly downward to the outdoor side with the gradient of 5 10 As show in Fig 2 Indoor Outdoor Lo 2 1 6inch Fig 2 5 10 Note 1 Pay attention to dust prevention and take relevant safety measures when opening the hole 2 The plastic expansion particles are not provided and should be bought locally 4 Outlet Pipe
38. subject to change without notice Please refer to the nameplate of the unit Technical Information q o Service Manual Model roduct Code ated Voltage ated Frequency Supply hases ower Supply Mode ooling Capacity Min Max eating Capacity Min Max ooling Power Input Min Max eating Power Input Min Max ooling Current Input Heating Current Input ACZEM4C4R12 ACZCl4C4R12 ACZEM4H4R12 ACZCI4H4R12 CB162008700_L17107 CB162008100_L14385 208 230 208 230 V Power 7 Hz 2 wW SE E EE Outdoor Outdoor 12000 5300 12500 12000 5300 12500 13000 5500 13500 1250 500 1500 60 60 O EEG Sa NENNEN NN Rated Input 1800 Rated Current EI a o c 3 oO T ins ju Wei E CMF 335 277 253 218 335 277 253 218 F tgp bal H tu h Bu W 1 EER 1 0 15 0 15 Cross flow Cross flow m 1300 550 1350 1300 550 1350 Fan Type inch Q3 5 8X25 2 5 Q3 5 8X25 2 5 ooling Speed SH H M L SL r min 1330 1100 950 750 1330 1100 950 750 SH H M L SL min 1350 1170 1050 950 w 10 04 5 15 15 5 0 Es D I 3 ae CD ke o v oj SEI gt U E 3 2 ojm SIS 5 ala a ojo lt U ole fe ES e e s cic 3 3 EE o gt o Si PIE Cc o ala S c9 o g zl e el a x o z i por 0 20 Aluminum Fin copper Tube w A em Leen ion WXHXD inch
39. the piezometer open the valve core of liquid valve and gas valve completely with inner hexagon spanner 6 Tighten the screw caps of valves and refrigerant charging vent As show in Fig 28 Liquid valve Gas valve Refrigerant charging vent Nut of refrigerant Charging vent Inner hexagon spanner Ze Fig 28 Installation and Maintenance o e 2 Leakage Detection 1 With leakage detector Check if there is leakage with leakage detector 2 With soap water If leakage detector is not available please use soap water for leakage detection Apply soap water at the suspected position and keep the soap water for more than 3min If there are air bubbles coming out of this position there s a leakage 8 8 Check after Installation and Test Operation 1 Check after Installation Check according to the following requirement after finishing installation Er M ee unit may drop shake or installed firmly emit noise refrigerant leakage test heating capacity pipeline sufficient water dripping water dripping supply according to the It may cause malfunction or voltage marked on the damage the parts nameplate Is electric wiring and pipeline installed correctly 7 l the unit grounded It may cause electric leakage securely It may cause malfunction or damage the parts Keen bt aer follow the specification damage the parts R ar metar ar oute EN in air inlet and air outlet h
40. the temperature to 16 C Press button successively within 5s and the complete unit will enter into compulsory defrosting status Meanwhile heating indicator on indoor unit will ON 10s and OFF 0 5s successively Note If complete unit has malfunction or stops operation due to protection compulsory defrosting function can be started up after malfunction or protection is resumed 2 Exit compulsory defrosting mode After compulsory defrosting is started up the complete unit will exit defrosting operation according to the actual defrosting result and the complete unit will resume normal heating operation eo o Technical Information Service Manual Part Installation and Maintenance 7 Notes for Installation and Maintenance Safety Precautions Important Please read the safety precautions carefully before installation and maintenance The following contents are very important for installation and maintenance Please follow the instructions below eThe installation or maintenance must accord with the instructions eComply with all national electrical codes and local electrical codes ePay attention to the warnings and cautions in this manual eAll installation and maintenance shall be performed by distributor or qualified person eAll electric work must be performed by a licensed technician according to local regulations and the instructions given in this manual eBe caution during installation
41. ventilated and dry in which the outdoor unit won t be exposed directly to sunlight or strong wind 3 The location should be able to withstand the weight of outdoor unit 4 Make sure that the installation follows the requirement of installation dimension diagram 5 Select a location which is out of reach for children and far away from animals or plants lf it is unavoidable please add fence for safety purpose Installation and Maintenance o e 8 4 Electric Connection Requirement 1 Safety Precaution 1 Must follow the electric safety regulations when installing the unit 2 According to the local safety regulations use qualified power supply circuit and air switch 3 Make sure the power supply matches with the requirement of air conditioner Unstable power supply or incorrect wiring may result in electric shock fire hazard or malfunction Please install proper power supply cables before using the air conditioner ACZEM4H4R09 ACZCI4H4R09 10A ACZEM4H4R12 ACZCI4H4R12 4 Properly connect the live wire neutral wire and grounding wire of power socket 5 Be sure to cut off the power supply before proceeding any work related to electricity and safety 6 Do not put through the power before finishing installation 7 For appliances with type Y attachment the instructions shall contain the substance of thefollowing If the supply cord is damaged it must be replaced by the manufacturer its service agent or similarly qu
42. will operate Replace outdoor control panel AP1 During heating operation the complete unit will stop During cooling and drying operation compressor will stop while indoor fan will operate Supply voltage is unstable During heating operation the complete unit will stop During cooling and drying operation the compressor will stop while indoor fan will operate During heating operating the complete unit will stop operation Theres circuit malfunction on outdoor units control panel AP1 please replace the outdoor units control panel AP1 1 Supply voltage is lower than If this malfunction occurs AC175V during 2 Wiring terminal 4V is loosened or heating operation the complete broken unit will stop operation 3 4V is damaged please replace 4N During cooling operation compressor will stop while indoor fan will operate during Replace outdoor control panel AP1 heating the complete unit will stop operation Installation and Maintenance and blink 13 times and blink 8 times OFF 1S and blink 11 times 41 42 Malfunction Name Normal communica tion Defrosting Display Method of Indoor Unit Indicator Display during Dual g blinking ON 0 5s and OFF 0 5s Display Operation Cool Indicator Indicator and blink once during blinking ON 10s and OFF 0 5s Service Manual Display Method of Outdoor Unit Indicator has 3 kinds of display status and du
43. 66 ae 6148 1382 1262 2084 35 58 77 10 1217 202 au 56 19 118 nza 202 33 53 74 1436 ua 238 322 5141 1454 wa 2156 am 49 19 147 2 1054 2174 an 47 08 149 1018 2192 296 45 07 150 8 9 83 43 16 152 6 9 49 41 34 1544 9 17 224 6 39 61 156 2 8 85 226 4 37 96 158 8 56 228 2 36 38 159 8 8 27 230 243 516 6 486 5 458 3 4 407 4 384 5 362 9 342 8 323 9 306 2 289 6 69 8 71 6 73 4 75 2 77 78 8 80 6 82 4 84 2 10 4 12 2 15 8 17 6 19 4 21 2 245 6 232 6 220 5 20 198 3 199 1 178 5 169 5 161 153 145 4 138 3 131 5 125 1 119 1 113 4 108 102 8 87 8 89 6 91 4 93 2 95 96 8 98 6 100 4 102 2 104 105 8 107 6 109 4 111 2 113 114 8 116 6 118 4 34 88 161 6 7 99 231 8 2 43 m EI i DE ma 33 45 il 163 4 7 73 233 6 mm i E E i m 0 2 274 9 E El E 259 3 a Ka E PS m m E ERI n2 CA E mi 1 32 09 165 2 747 2354 722 2372 700 239 676 2408 N mu mu CH mu 24 8 26 6 28 4 30 2 32 TempCP 202 184 16 6 48 re 76 68 86 104 122 2096 158 76 194 i2 a 248 26 6 284 902 32 938 956
44. AWAY xn XT L1 BU L4 N 1 L1IN 1 L1 BK L4 AP2 2 2 COMU 3 L213 L1 BN L4 wi L4 H IS PE OFAN ici INDOOR YEGN U VON Y x UNIT GE ELECTRIC BU SAT MID ISOLATION SHEET BOX Vn aA GD al YEGN BU YEGN 11 Service Manual 5 2 PCB Printed Diagram Indoor Unit e Top view 4 5 6 7 8 Live wire interface PG DS F Fuse EH 2 Neutral wire interface RC51 dk ou 3 LJ HI A PG motor interface eu Xi s E Communication port L pa R150 Kne s TT 4 gcc KO B BL wen ys LAM Di 5 of neutral wire and 2 d NHEAT N Y i U R63 i EI live ire eH RETE ra MD 5 meii ZZ du FE 6 Auto button 1 S DI Se EA Up amp down swing e v E H nn E Ch JA Di LUS Di 7 i D5 EE ya regi A B rire 8 interface z LI LML MM M m ie D LLLI SUED veel n R32 PG feedback m A FTT enr WN seh i de P z LILILILILILILILI interface U 2 Ve A i 9 Display interface i Te a Ambient temperature d S_p o Li LE TT
45. E In L2 S DA aen n mm Er Er pono dis Sensor R34 m U UL LI Roe M34 mmm Tube temperature Tree Pr HT sensor u g 8 LI HE JUMP N m C38 A B oa RI At e R69 R72 R70 R71 S88 TT TY BRAS HL 4 ER l ass SSL 2 d I UT Dr s 4 L LLI LL Q F eeh arua Tag eU CE 0 1 2 3 4 5 6 7 8 9 2013 04 08 14 N mid e Bottom view High voltoge AN 12 eo o Technical Information Service Manual Outdoor Unit e Top view
46. Installation and Maintenance o e 8 Bind up Pipe 1 Bind up the connection pipe power cord and drain hose with the band As show in Fig 14 2 Reserve a certain length of drain hose and power cord for installation when binding them When binding to a certain degree separate the indoor power and then separate the drain hose As show in Fig 15 3 Bind them evenly 4 The liquid pipe and gas pipe should be bound separately at the end Indoor and outdoor power cort Indoor unit Fig 14 Connection pipe Drain hose Band Fig 15 Indoor power cord Note 1 The power cord and control wire can t be crossed or winding 2 The drain hose should be bound at the bottom 9 Hang the Indoor Unit 1 Put the bound pipes in the wall pipe and then make them pass through the wall hole 2 Hang the indoor unit on the wall mounting frame 3 Stuff the gap between pipes and wall hole with sealing gum 4 Fix the wall pipe As show in Fig 16 5 Check if the indoor unit is installed firmly and closed to the wall As show in Fig 17 Indoor Outdoor Wall pipe A _ LTD Im e Wa E Fig 16 Sealing gum Lower hook of wall mounting frame A Note Do not bend the drain hose too excessively in order to prevent blocking 29 8 6 Installation of Outdoor Unit 1 Fix the Support of Outdoor Unit select it according to the actual installation situation
47. Manual 11 2 Removal Procedure of Outdoor Unit AN Warning Be sure to wait for a minimum of 20 minutes after turning off all power supplies and discharge the refrigerant completely before removal Procedure 1 Remove the handle E The stop valve cover has 6 hooks Loosen the screw of the Handle Pull down the handle and remove it 2 Remove the top panel 1 Loosen the 3 screws front right left and lift the top panel 68 e 9 9 Installation and Maintenance Service Manual 3 Remove grille and front panel Loosen one screw and remove the discharge grille Wi Lift the front panel and remove it while pushing Loosen the 5 screws of the right side panel inwards the front panel 4 Remove right side plate 1 Remove the 5 screws from the edge between right side board and condenser and from valve Lift to remove the right side plate 5 Remove the fan motor and Axial fan eue B The screw has reverse A e winding 1 Remove the screws of the fan Ean motor Ni by wrench and then remove G d IE the axial flow fan and fan A dT E B Remove the propeller motor Axialflowfan amp als rf fan Installation and Maintenance o e 69 Service Manual Remove the 4 tapping EA WB M4x16 screws fixing the motor i Pull out the lead out wire W DC fan motor and remove the motor Remove the 2 tapping screws fixing the motor support Lift to rem
48. Y refrigerant with much service manual Remove a m malfunction N Replace N control board AP1 Replace compressor End wo N Y Replace compressor Installation and Maintenance o e 53 Service Manual 54 10 Diagnosis for overload and discharge malfunction outdoor Main detection point unit malfunction elf the electron expansion valve is connected well Is the expansion valve damaged elf the refrigerant is leakage elf the overload protector is damaged elf the discharge temp sensor is damaged Malfunction diagnosis process After the u nit de energized for 20min f The overload protecto r SAT is well connected Y p Under ambient temperature test the Y D the wiring terminal FA of electron N expansion is well connected T Y Check if the coil of electron expansion is installed on the valve normally v v f Replace overload Check if the expansion valve protector SAT is blocked Pe a Remove U resistance of overload protector with ohmic DER es the resistance value 10000 pr a y Connect the wire I well according to wiring disgram SS malfunction Tus N y Check refrigerant if there is leakage please refer to specification p c 1 Remove malfunction Ja edo P check if the discharge temp sensor is
49. according to the requirement Malfunction is eliminated Yes Communication wire connection is broken Noa No T Replace the Malfunction is wire eliminated No Replace indoor mainboard Malfunction is eliminated Yes End Replace outdoor mainboard Installation and Maintenance o e 48 5 Malfunction of Zero crossing Inspection Circuit Malfunction of the IDU Fan Motor U8 Troubleshooting for U8 malfunction Re energize1 minute after de erergization U8 is still displayed Yes The zero cross detection circuit of the mainboard is defined abnormal Replace the mainboard with the same model End No The unit returns to normal Conclusion U8 is displayed due to instant energization afte de energization while the capacitor discharges slowly Service Manual Installation and Maintenance Service Manual 6 IPM protection desynchronizing malfunction phase current of compressor is overcurrent outdoor unit malfunction Main detection point elf control board AP1 and compressor COMP is well connected If they are loosened If the connection sequence is correct els voltage input in the normal range Test the voltage between L N of wiring board XT by DC voltage meter elf coil resistance of compressor is normal Is compressor coil in
50. acted 1 Insert the temperature sensor tightly no Is there short circuit due to trip over of the parts al Make the parts upright no ld n malfunctio yes eliminated v Is the emperature sensor normal accordin to the Resistance no Table A Replace it with a temperature sensor with the same model yes es L no Is malfunction y remo v Replace the mainboard with the same model yes Service Manual Installation and Maintenance Service Manual 2 Malfunction of Blocked Protection of IDU Fan Motor H6 Troubleshooting for H6 malfunction Stir the blade with a tool to see whether the blade rotates n Tighten the screw reassemble the blade motor and shaft bearing rubber base sub assy to make yes sure there is no foreign object between them yes P control terminal of PG motor no connected tightly Y Insert the control terminal of PG motor tightly yes S malfunction an yes 3 ti the a og h the blade rotate s 9 smoothly v Reinstall the blade and motor correctly yes pc Is malfunction no eliminated yes Turn on the nit again measure whether the output voltage on control terminal for PG motor EL is morethan 50V within 1 min after the yes louvers are opened yes Is the motor started up no no
51. air outlet is close In heating mode H the swing function is not set the horizontal louver will rotate to maximum in clockwise direction Then it will rotate to place D Under other state the horizontal louver will rotate to level L If the swing function is set o 0 when starting the unit the horizontal louver will swing between place L and D there are 7 states for the louver in Place L Place A Place B Place C Place D and swing between Place L and place D stop in any place between Place L and place D When the unit is turned off the louver will stay in place 0 The swing is available only when the swing function is set and the indoor fan is running Note When place L to B place A to C and place B and D is set the horizontal louver will swing between place L to D L 5A B C D 8 Sleep Function OW kr FT Sleeping mode is available only in cooling and heating modes D Cooling mode at the base of initial set temperature by remote controller the set temperature will increase automatically according to people s coziness within several hours after setting sleep function Heating mode at the base of initial set temperature by remote controller the set temperature will decrease automatically according to people s coziness within several hours after setting sleep function 9 Timer Function The main board has general timer function and clock function The timer function can be selected by remote controller with
52. alified persons in order to avoid a hazard 8 The temperature of refrigerant circuit will be high please keep the interconnection cable away from the copper tube 2 Grounding Requirement 1 The air conditioner is first class electric appliance It must be properly grounding with specialized grounding device by a professional Please make sure it is always grounded effectively otherwise it may cause electric shock 2 The yellow green wire in air conditioner is grounding wire which can t be used for other purposes 3 The grounding resistance should comply with national electric safety regulations 4 The appliance must be positioned so that the plug is accessible 5 An all pole disconnection switch having a contact separation of at least 1 8 inch in all poles should be connected in fixed wiring 6 Including an air switch with suitable capacity please note the following table Air switch should be included magnet buckle and heating buckle function it can protect the circuit short and overload Caution please do not use the fuse only for protect the circuit 8 5 Installation of Indoor Unit 1 Choosing Installation location Recommend the installation location to the client and then confirm it with the client 2 Install Wall mounting Frame 1 Hang the wall mounting frame on the wall adjust it in horizontal position with the level meter and then point out the screw fixing holes on the wall 2 Drill the
53. and maintenance Prohibit incorrect operation to prevent electric shock casualty and other accidents N Warnings Electrical Safety Precautions 1 Cut off the power supply of air conditioner before checking and maintenance 2 The air condition must apply specialized circuit and prohibit share the same circuit with other appliances 3 The air conditioner should be installed in suitable location and ensure the power plug is touchable 4 Make sure each wiring terminal is connected firmly during installation and maintenance 5 Have the unit adequately grounded The grounding wire can t be used for other purposes 6 Must apply protective accessories such as protective boards cable cross loop and wire clip 7 The live wire neutral wire and grounding wire of power supply must be corresponding to the live wire neutral wire and grounding wire of the air conditioner 8 The power cord and power connection wires can t be pressed by hard objects 9 If power cord or connection wire is broken it must be replaced by a qualified person Installation and Maintenance o e 10 If the power cord or connection wire is not long enough please get the specialized power cord or connection wire from the manufacture or distributor Prohibit prolong the wire by yourself 11 For the air conditioner without plug an air switch must be installed in the circuit The air switch should be all pole parting and the contact parting distance shoul
54. ction Requirement E 27 8 5 Installation of Indoor BE E 27 GE hsallauen d Visser 30 8 7 Vacuum Pumping and Leak Delgollgfi toic uiG nuca tu datiuo EE 31 8 8 Check after Installation and Test Operation AANEREN 31 ee Table of Contents Service Manual 9 Maintenance sse 32 9 1 MalfunctionjAnaly E 32 9 2 Flashing LED of Indoor Outdoor Unit and Primary Judgement suuuussss 36 9 3 How to Check Simply the Main P BEL terein neede beenen 43 10 Exploded View and Parts List 56 je Mira e dir ee 56 102 Qu tdoor UI MT D 59 11 Removal Procedure se 63 11 1 Removal Procedure of Indoor DIPL uua ntm perunt xag mts 63 11 2 Removal Procedure of Outdoor Unit geess 68 Appendix ee E 73 Appendix 1 Reference Sheet of Celsius and Fahrenheit kk 73 Appendix 2 Configuration of Connection Ppe nnn 73 Appendix 3 Pipe Expanding Method arseen tror rtm Cito tented 74 Appendix 4 List of Resistance for Temperature Sensor esses 15 Table of Contents o Service Manual Part Technical Information 1 Summary Indoor Unit ACZEM4H4R09 ACZEM4C4R12 ACZEM4H4R12 Outdoor Unit ACZCI4H4R09 ACZCIACAR12 ACZCI4H4R12 Remote Controller YX1FF Technical Information 1 LU TITT EER 8898 Service Manual 2 Specifica
55. d be more than 0 12inch 12 Make sure all wires and pipes are connected properly and the valves are opened before energizing 13 Check if there is electric leakage on the unit body If yes please eliminate the electric leakage 14 Replace the fuse with a new one of the same specification if it is burnt down don t replace it with a cooper wire or conducting wire 15 If the unit is to be installed in a humid place the circuit breaker must be installed Installation Safety Precautions 1 Select the installation location according to the require ment of this manual See the requirements in installation part 2 Handle unit transportation with care the unit should not be carried by only one person if it is more than 40 09lbs 3 When installing the indoor unit and outdoor unit a suffi cient fixing bolt must be installed make sure the installation support is firm 4 Ware safety belt if the height of working is above 6 56ft 5 Use equipped components or appointed components dur ing installation 6 Make sure no foreign objects are left in the unit after fin ishing installation Refrigerant Safety Precautions 1 Avoid contact between refrigerant and fire as it generates poisonous gas Prohibit prolong the connection pipe by welding 2 Apply specified refrigerant only Never have it mixed with any other refrigerant Never have air remain in the refrigerant line as it may lead to rupture or other hazards 3 Make sur
56. e AN H CUN Insulating pipe Fig 10 e o Installation and Maintenance Service Manual 7T Connect Wire of Indoor Unit 1 Open the panel remove the screw on the wiring cover and then take down the cover As show in Fig 11 Panel Screw Fig 11 Wiring cover 2 Fix the wire crossing board on connection wire sleeve at the bottom case let the connection wire sleeve go through the wire crossing hole at the back of indoor unit and then pull it out from the front As show in Fig 12 NO p Fig 12 3 Remove the wire clip connect the power connection wire to the wiring terminal according to the color tighten the screw and then fix the power connection wire with wire clip As show in Fig 13 Wring Cover Fig 13 4 Put wiring cover back and then tighten the screw 5 Close the panel A Note 1 All wires of indoor unit and outdoor unit should be connected by a professional 2 If the length of power connection wire is insufficient please contact the supplier for a new one Avoid extending the wire by yourself 3 For the air conditioner with plug the plug should be reachable after finishing installation 4 For the air conditioner without plug an air switch must be installed in the line The air switch should be all pole parting and the contact parting distance should be more than 1 8inch
57. e no refrigerant gas is leaking out when installation is completed 4 If there is refrigerant leakage please take sufficient measure to minimize the density of refrigerant 5 Never touch the refrigerant piping or compressor without wearing glove to avoid scald or frostbite Improper installation may lead to fire hazard explosion electric shock or injury 23 Service Manual Main Tools for Installation and Maintenance 1 Level meter measuring tape 4 Electroprobe Le 7 Electronic leakage detector 10 Pipe pliers pipe cutter 24 2 Screw driver 5 Universal meter 8 Vacuum pump 11 Pipe expander pipe bender 3 Impact drill drill head electric drill 6 Torque wrench open end wrench inner hexagon spanner 9 Pressure meter 12 Soldering appliance refrigerant container e 9 9 Installation and Maintenance Service Manual 8 Installation 8 1 Installation Dimension Diagram A SP 8 E P es o l Pa Si 8 p le o o O o 9 qu I g EE o 2 in En SE T M ipe o 9 SX S Q N Space to the floor At least 98 3 7 Space to the obstruction 19 2 3 Above Air inlet side Space to the wall 19 2 3 Above Unit inch Li Air outlet side Installation and Maintenance o e 25 Installation procedures Start installation Preparation before installation ma e
58. eating The dust and sundries caused It may cause malfunction or during installation are damaging the parts removed DS dee Vae ana Aqui It may cause insufficient cooling Er the voltage of power 1 1 2 3 4 5 0 11 valve of connection pipe are open completely heating capacity 2 Test Operation 1 Preparation of test operation e The client approves the air conditioner installation e Specify the important notes for air conditioner to the client 2 Method of test operation e Put through the power press ON OFF button on the remote controller to start operation e Press MODE button to select AUTO COOL DRY FAN and HEAT to check whether the operation is normal or not e If the ambient temperature is lower than 60 8 F the air conditioner can t start cooling 31 9 Maintenance 9 1 Malfunction Analysis 32 Service Manual Note When replacing the controller be sure to insert the wire jumper into the new controller otherwise the unit will display C5 Trip of breaker or blow of fuse The breaker trips at once when it is set to ON Air conditioner can not start up The breaker trips in few minutes when it is set to ON Measure insulation resistance to ground to see if there is any leakage The circuit or the part of the air conditioner has malfunction They heat and break the insula tion and lead
59. ell connected and connection sequence compressor COMP connect it is correct with wiring diagram Does the unit start up normally If the refrigerant charging is too much Y Y Charge the refrigerant according to service manual oes the unit start up normally N Y Replace control board AP1 If malfunction is removed Replace the compressor 52 ee Installation and Maintenance Service Manual 9 Diagnosis for compressor synchronism outdoor unit malfunction Main detection point elf the system pressure is over high elf the working voltage is over low Malfunction diagnosis process Synchronism after Synchronism energize the unit occurred during and start it operation pes MN Check if the fan f the stop time o compressor is more thai Tf the outdoor fan works _N terminal OFAN is normally connected well Replace fan capacitor C1 b Improve the radiating Replace of unit clean heat outdoor fan If the compressor exchanger and Wire COMP UVW is well connected increase ventilation connection sequence forwards to clockwise direction N f Start to run until the ON If the input voltage of uni N power resume normal TE Y is normal voltage wire well i Replace Y control board AP1 Em mm Charge the u If the refrigerant is to o
60. ent setting state When the setting time is reached the unit will start and stop running In that case the unit will run according to the previously setting mode when the setting time for timer on is reached The unit will stop running while the setting time for timer off is reached If the setting time for timer on and timer off is the same the unit will stop running no matter what the current state is 10 Auto Restart Function Memory mode up and down swing light setting temperature setting fan speed general timer not clock Fahrenheit Celsius After de energized the unit can run according to the memory if it is energized again If the tim function is not set in the last remote control the system will run according to the last remote control If the timer function is set in the last control before it is de energized the system will memorize the last timer setting The setting time is recalculated since the energization of the unit If the timer function is set in the last control and the setting time is reached before the unit is de energized the unit will run according to the previous running mode after it is energized again But the timer function will terminate The clock will not be memorized In cooling and heating mode not available in auto dehumidify fan mode press the Turbo button the fan speed displayed super high speed in the remote controller and the indoor fan rotates at super high speed 11 Turbo Function In cooling a
61. function Name Display Operation Cool Heating Indicator Indicator Display Method of Outdoor Unit Indicator has 3 kinds of display status and during blinking ON 0 5s and OFF 0 5s Yellow Indicator Indicator Indicator A C status Possible Causes during blinking during Compressor blinking intermediate frequence in test state Overcurrent protection of phase current for compressor Charging malfunction of capacitor Malfunction of module temperature sensor circuit Module high temperature protection Decrease frequency due to high temperature resistant during heating operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop During cooling operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop All loads operate normally while operation frequency for compressor is decreased During cooling and drying operation compressor will stop Overload OFF 3S OFF 1S and blink and blink 3 times 8 times
62. g Pressure of gas pipe Inlet and outlet pipe Fan speed condition F connecting indoor and temperature of heat peed Fan speed of penne requency DB WB outdoor unit exchanger S A outdoor unit Hz Instruction T1 Inlet and outlet pipe temperature of evaporator T2 Inlet and outlet pipe temperature of condenser P Pressure at the side of big valve Connection pipe length 24 6ft 2 5 Noise Curve Indoor side noise Outdoor side noise 60 60 50 ee 50 i m D 30 p 40 2 o 2 20 30 10 0 20 low Middle High Super High 0 20 40 60 80 100 Indoor Fan Motor Rotating Speed Compressor frequency Hz ACZEMACAR12 ACZCIACA4R12 ACZEM4H4R09 ACZEM4H4R12 ACZCI4H4R09 ACZCIAHAR12 Technical Information o eo Service Manual 3 Outline Dimension Diagram 3 1 Indoor Unit 33 1 4 7 10 5 6 Unit inch 3 2 Outdoor Unit 10 4 5 25 8 9 Ice c d e d NL c 18 1 2 In eve vg Se GES EES Unit inch eo 9 Technical Inf
63. he timer and the frequency will be drooping Keep zone Keep the upper limit of frequency Return Reset zone Cancel the upper limit of frequency Input Current Control Outline Detect an input current by the CT during the compressor is running and set the frequency upper limit from such input current In case of heat pump model this control is the upper limit control function of the frequency which takes priority of the lower limit of four way valve activating compensation Detail The frequency control will be made within the following zones 2 Hz drooping 1 0second after After 2 5 seconds rushing in the lt gt drooping zone gt Compressor stops Stop zone Drooping zone Reset zone When a stop current continues for 2 5 seconds after rushing on the stop zone the compressor operation stops If a drooping current is continues for 1 0 second after rushing on the drooping zone the frequency will be 2 Hz drooping Repeating the above drooping continues until the current rushes on the drooping zone without change In the keep zone the frequency limit will remain In the return reset zone the frequency limit will be cancelled 20 ee Technical Information Service Manual Limitation of current drooping and stop value according to the outdoor air temperature 1 In case the operation mode is cooling The current droops when outdoor air temperature becomes higher than a certain level model by model
64. ing amount per meter is different according to the diameter of liquid pipe See the following sheet e Additional refrigerant charging amount prolonged length of liquid pipe X additional refrigerant charging amount per meter Additional refrigerant charging amount for R22 RA07C R410A and R134a Cooling only g m 0 24 0 24 or 0 37 00 47 0 63 o1 000ro1 25 om 0 75 0 87 Installation and Maintenance o e Service Manual Appendix 3 Pipe Expanding Method s A Note Improper pipe expanding is the main cause of refrigerant leakage Please 77Pipe cutter expand the pipe according to the following steps x x x 90 Leaning Uneven Burr A Cut the pip Le V4 Le e Confirm the pipe length according to the distance of indoor unit and outdoor unit NU D NU e Cut the reguired pipe with pipe cutter B Remove the burrs e Remove the burrs with shaper and prevent the burrs from getting into the pipe SD C Put on suitable insulating pipe vasi D Put on the union nut Union pipe e Remove the union nut on the indoor connection pipe and outdoor valve install the union nut on the pipe Pipe E Expand the port e Expand the port with expander Note e A is different according to the diameter please refer to the sheet below Outer diameter inch Smooth surface N F Inspection e Check the quality of expanding port If there is any blemish expand the port again according to the steps above wx
65. iquid Liquid pipe Pipe joint ES ge gas pipe Union nut gas valve Fig 22 3 Pretightening the union nut with hand 4 Tighten the union nut with torque wrench 30 Service Manual Refer to the following table for wrench moment of force Hex nut diameter inch Tightening torque ft Ibf 01 4 11 10 14 75 03 8 22 82 29 50 01 2 33 19 40 56 05 8 44 24 47 94 03 4 51 32 55 31 5 Connect Outdoor Electric Wire 1 Remove the handle of outdoor right side plate 2 Put the power connection wire and power cord through the wire hole 3 Take off the wire clamp Connect the power connection wire and power cord to the terminal and then fix them Wiring should be coherent with the indoor unit 4 Fix the power connection wire and power cord with wire clamp 5 Ensure if the wires have been fixed well 6 Reinstall the handle Handle L n m WIT Fig 23 Note elncorrect wiring may cause malfunction of spare part eAfter the wire has been fixed ensure there is free space between the connection and fixing places on the lead wire Schematic diagram being reference only please refer to real product for authentic information 6 Neaten the Pipes 1 The pipes should be placed along the wall bent reasonably and hidden possibly Min semidiameter of bending the pipe is 4 inch 2 If the outdoor unit is higher than the wall hole you must set a U shaped curve
66. is too low Check the voltage If it is lower than 10 of m the rated voltage check the cause improve the power supply condition and add the sta bilized voltage power supply Installation and Maintenance Service Manual Improper set of temperature m If cooling heating load is proper Adjust set temperature Check the forecasted load of cooling heating The refrigerant has leakage or is Check and fill the leakage then I M vacuumize it and supplement the re flow Malfunction of refrigerant insufficient frigerant as required Leakage between the high pres sure and the low pressure in Replace the compressor side the compressor Malfunction of four way valve Replace the four way valve Local block of capillary Replace the capillary Judge whether the system is blocked by Blockage of cooling system observing the condensation of evapora tor and the pressure value of the high Heat insulation for the connection pipes of the indoor unit and the out 9 door unit is bad Poor COOL HEAT operation pressure manometer and take measures to deal with the system Make sure that heat insulation for the thick and thin pipes is good Heat insulation must also be p
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68. nd heating mode not available in auto dehumidify fan mode press the Turbo button the fan speed displayed super high speed in the remote controller and the indoor fan rotates at super high speed 12 Health Function When the indoor fan motor is running the Health function is set by pressing remote controller If there is no Health button on the remote controller the health function opening is defaulted 13 l Feel Function If the remote controller receives the Feel order the controller will work at the ambient temperature value which is sent by remote controller Except the defrosting and anti cool wind which still adopts the sampling value of AC itself ambient temperature sensor the remote controller will send ambient temperature value to controller every 10mins After 11mins if the controller hasn t received the ambient temperature value from the remote controller for long time then it will run according to the current ambient temperature of AC If the function has not been set the ambient temperature will adopt the sensor sampling value of AC itself If power off happens this function will not be memorized Troubleshooting of Temperature Sensor 1 Indoor Temperature Sensor Detect malfunctions of temperature sensor any time 2 Indoor Pipe Temperature Sensor In defrosting period the temperature sensor malfunction will not be detected 5 min after finishing defrosting the system begins to detect the temperature sensor malfunc
69. nit 1 Check if fan terminal OFAN is connected well N 2 Test if the motors of indoor and outdoor unit are broken f the indoor and outdoo fan work well check if the tube temp sensor is normal according to the resistance sheet check outdoor tube temp in cooling mode check v indoor tube temp sensor in heating mode Replace fan capacitor C1 Replace outdoor fan r Y Is the tube temp sensor normal Y De energize the unit and wait for 20min N u Replace the tube temperature sensor Replace the control board replace the outdoor control board in cooling mode replace the indoor control board in heating mode Normal protection please use it Y after improving ambient temperature gt Installation and Maintenance o e 51 Service Manual 8 Diagnosis for failure start up malfunction outdoor unit malfunction Main detection point elf the compressor wiring is correct elf the stop time of compressor is enough elf the compressor is damaged elf the refrigerant charging is too much Malfunction diagnosis process Energize the unit and start it If the stop time of compressor is more than 3min If the stop time is not enough and the high and low pressure of system is not gt balance please start it after 3min Improve the connection situation N of control board AP1 and f the compressor wire COMP UVW is w
70. oads operate normally while operation frequency for compressor is decreased Poor air return in indoor unit or fan speed is too low 1 Measure the voltage of position L and N on wiring board XT if the During cooling and drying voltage is higher than 265VAC turn operation compressor will stop on the unit after the supply voltage while indoor fan will operate is increased to the normal range Durind heat h 2 If the AC input is normal uring heating operation the measure the voltage of electrolytic complete unit will stop capacitor C on control panel AP1 operation if its normal theres malfunction for the circuit please replace the control panel AP1 1 Measure the voltage of position L and N on wiring board XT if the voltage is higher than 150VAC turn on the unit after the supply voltage is increased to the normal range 2 If the AC input is normal measure the voltage of electrolytic capacitor C on control panel AP1 if its normal theres malfunction for the circuit please replace the control panel AP1 During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop Showing during min cooling or min heating test Showing during max cooling or max heating test Installation and Maintenance Service Manual Display Method of Indoor Unit Indicator Display during Dual g Dlinking ON 0 5s and OFF 0 5s Mal
71. ocal agent for installation 2 Don t use unqualified power cord 4 Drainage pipe 5 Wall mounting 8 3 Selection of Installation Location 1 Basic Requirement Installing the unit in the following places may cause malfunction If it is unavoidable please consult the local dealer 1 The place with strong heat sources vapors flammable or explosive gas or volatile objects spread in the air 2 The place with high frequency devices such as welding machine medical equipment 3 The place near coast area 4 The place with oil or fumes in the air 5 The place with sulfureted gas 6 Other places with special circumstances 2 Indoor Unit 1 There should be no obstruction near air inlet and air outlet 2 Select a location where the condensation water can be dispersed easily and won t affect other people 3 Select a location which is convenient to connect the outdoor unit and near the power socket 4 Select a location which is out of reach for children 5 The location should be able to withstand the weight of indoor unit and won t increase noise and vibration 6 The appliance must be installed 98 3 7 inch above floor 7 Don t install the indoor unit right above the electric appliance 8 The appliance shall not be installed in the laundry 3 Outdoor Unit 1 Select a location where the noise and outflow air emitted by the outdoor unit will not affect neighborhood 2 The location should be well
72. operation Replace new batteries of the same model when replacement is required If you don t use remote controller for a long time please take out the batteries If the display on remote controller is fuzzy or if there s no display please replace batteries battery reinstall remove cover of battery box Technical Information Service Manual 6 2 Brief Description of Modes and Functions 1 Cooling Mode D Working conditions and process of cooling When Tamb 2Tpreset the unit will enter cooling operation in which case the indoor fan the outdoor fan and the compressor will work and the indoor fan will run at preset speed When Tamb xTpreset 3 6 F the compressor will stop the outdoor fan will stop with a time lag of 30s and the indoor fan will run at preset speed When Tpreset 3 6 F lt Tamb Tpreset the unit will remain at its previous state Under this mode the four way valve will be de energized and temperature can be set within a range from 61 to 86 F If the compressor is shut down for some reason the indoor fan and the swing device will operate at original state Q2 Protection Antifreeze protection Under cooling and dehumidifying mode 6 minutes after the compressor is started If T evaps35 6 F the compressor will operate at reduced frequency If T evaps30 2 F is detected for durative 3 minutes the compressor will stop and after 30 seconds the outdoor fan will stop and unde
73. or temperature sensor 2 The head of temperature sensor hasnt been inserted into the copper tube Refer to the malfunction analysis overload high temperature resistant The input supply voltage is too low System pressure is too high and overload 37 38 Malfunction Name Decrease frequency Voltage for DC bus bar is too high Voltage of DC bus bar is too low Display Method of Outdoor Display Method of Indoor Unit EP Unit Indicator has 3 kinds of a display status and during link N 0 FF Dual 8 blinking ON 0 5s and OFF linking ON 0 5s and OFF Code 0 55 0 5s Display Operation Cool Heating Yellow Green Indicator Indicator Indicator Indicator ted Indicator OFF 3S and blink 9 times Indicator Display during and blinkfand blink 2 times 2 times OFF 3S OFF 3S E OFF 3S and blink 11 times OFF 3S OFF 1S and blink Bhd blink SEN 12 times during blinking ON ON 0 25s 0 25s and OFF fand OFF during blinking during blinking during blinking during blinking during blinking ON ON 0 25s 0 25s and OFF fand OFF 0 25s 0 25s Showing during nominal cooling or nominal heating test Service Manual A C status Possible Causes Overload or temperature is too high Refrigerant is insufficient Malfunction of electric expansion valve EKV All loads operate normally while operation frequency for compressor is decreased All l
74. ormation Service Manual 4 Refrigerant System Diagram Cooling only type Indoor unit Outdoor unit m Gas pipe side Heat exchanger evaporator Accumlator Heat exchanger condenser a Capillary Strainer COOLING Cooling and heating type Indoor unit Outdoor unit Gas pipe i side Valve Heat I I exchanger evaporator Hat i NE exchanger y TN Dn condenser side zeen L OO k A NANE Strainer Capillary Strainer 4 COOLING HEATING Refrigerant pipe diameter Liquid 1 4 Gas 3 8 o Technical Information Service Manual 10 5 Electrical Part 5 1 Wiring Diagram elnstruction Symbol Color m YEGN ellow Green Note Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model mw Ro f 8 e Indoor Unit SC K ROOM TUBE DISPLAY TEMSENSOR TEM SENSOR D o o H OUTDOOR UNIT RT RTJ hs Bi des x XT A m Diset DISP2 dura u au ee mua Je ui 2 LI BN AAR 3 us d E Ta YEG JUMP YEGN TERMINAL BLOCK
75. our way valve pipes and so on which were heated up by a gas brazing machine so as not to get burnt your hands 71 Service Manual 10 Remove compressor Solder off the welding spot of capillary and valve and outlet pipe of condenser Remove the 2 screws fixing the gas valve Solder off the weld spot connecting gas valve and air return pipe and remove the gas valve Note it is necessary to warp the gas valve when soldering off the welding spot Remove the 2 screws fixing liquid valve Solder off the welding spot connecting liquid valve and remove the liquid 4 way Valve Assy valve Solder off the pipe connected with the compressor Remove the 3 footing screws of the compressor and remove the compressor er Ki ke Ve E EE EE ES eee Installation and Maintenance Service Manual Appendix Appendix 1 Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree Tf Tcx1 8 32 Set temperature Fahrenheit Fahrenheit Fahrenheit display Fahrenheit Os display Fahrenheit display Fahrenheit temperature CF Celsius CC temperature CF Celsius CC temperature CF Celsius C C CF CF 86 86 30 F 16 62 63 62 63 19 68 68 20 Ambient temperature wk k COIN Fahrenheit Fahrenheit display Fahrenheit A display Fahrenheit temperature CF Celsius CC temperature CF CE CF
76. ove the motor support 6 Remove the electric box 1 Re move the 2 screws fixing the cover of electric box Lift to remove the cover Remove the screws fixing the electric box subassembly Loosen the wire and disconnect the termina Lift to remove the electric box subassembly 7 Remove the partition plate 1 Loosen the 2 screws m B The partition plate is fixed to I Ga p the bottom frame with a hook 2 The partition plate has vi ZB ilc d a hook on the lower Fn j side Lift and pull the TA tr partition plate to remove I Pd Partition plate 70 ee Installation and Maintenance Service Manual 8 Remove the sound blanket Lift and remove the sound blanket top Untie the strings and open the sound blanket Lift and remove the sound blanket body as it is opened Pull the sound blanket inner out 9 Remove four way valve coil Loosen the screw of the four way valve coil Installation and Maintenance B Since the piping ports on the sound blanket are torn easily remove the blanket carefully B Since the piping ports on the sound blanket are torn easily remove the blanket carefully Provide a protective sheet or a steel plate so that the brazing flame cannot influence peripheries Be careful so as not to break the pipes by pressing it excessively by pliers when withdrawing it AY Caution Be careful about the f
77. p 4 4392 nee age 1868 209 27 oen 482 mea tea 7745 1886 1996 2588 0658 so ae 1202 745 1904 1984 2606 064 518 o 12 7 73 i922 1875 2624 oes s26 362 1288 6905 194 ag 2642 0607 554 3457 1256 ess 1958 1736 266 0 502 572 3298 1274 6408 1976 171 2678 os7 so 3147 1292 6167 19904 es 2696 oses 608 3004 19 594 2012 es 2714 oss 626 2868 i328 aa 203 1561 2732 0535 644 2739 i346 55 9 2048 1515 275 ost eo2 2617 1964 se 2006 147 2768 oso 76 ee Installation and Maintenance Service Manual Resistance Table of Discharge Temperature Sensor for Outdoor 50K Temp F Resistance ka Temp F Resistance kO Temp F Resistance ka Temp F Resistance kQ 202 wes so 12 1834 1904 vm 484 7098 ss 9342 122 ze 1922 460 16 6 75 536 8907 1238 1699 14 447 48 7038 554 es 1256 1636 1958 ve 660 8 572 etos 1274 1575 1976 420 620 8 so 77395 1292 1517 1994 408 580 6 sos as 131 1462 2012 am 626 705 1328 1409 203 an 3 11 2 7 6 548 9 644 6734 1346 1358 2048 am 66 2 6433 1364 1309 20
78. plete unit stops During cooling operation compressor will stop while indoor fan will operate During heating operation the complete unit stops During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop All loads operate normally while operation frequency for compressor is decreased Wireless remote receiver and button are effective but can not dispose the related command 1 Poor air return in indoor unit 2 Fan speed is abnormal 3 Evaporator is dirty 1 In defect of refrigerant 2 Indoor evaporator temperature sensor works abnormally 3 The unit has been plugged up somewhere Please refer to the malfunction analysis discharge protection overload 1 Supply voltage is unstable 2 Supply voltage is too low and load is too high 3 Evaporator is dirty Refer to the corresponding malfunction analysis Refer to the malfunction analysis overload high temperature resistant Replace outdoor control panel AP1 Discharging after the complete unit is de energized for 20mins check whether the thermal grease on IPM Module of outdoor control panel AP1 is sufficient and whether the radiator is inserted tightly If its no use please replace control panel AP1 1 No jumper cap insert on mainboard 2 Incorrect insert of jumper cap 3 Jumper cap damaged 4 Abnormal detecting circuit of mainboard
79. power supply Then check the connection of capacitor C2 according to Electrical Wiring Diagram Reconnect the capacitor C2 Y according to Electrical Wiring Diagram Then Restart the unit e connection of capacitor C2 is loose N Y Remove the wires on the two ends of capacitor C2 Then use capacitance meter to measure the capacitor C2 Verify as per the Parameters Sheet Stop the unit and disconnect the power supply Wait 20 minutes or use DC voltmeter to measure N the voltage between the two ends of capacitor C2 until the voltage is lower than 20V If the unit can work normallv v Refer to the Electrical Wiring Diagram and check if the connection between AP1 and COMP is loose and if the connection order is correct the connection between AP1 and COMP is unsecur or the connectionorder is wrong Use ohmmeter to measure the resistance between the three terminals on compressor COMP and compare the measurements with the compressor resistance on Service Manual Use ohmmeter to measure the resistance between the two terminals of compressor COMP and copper tube 50 acitor failed If there is any abnormality described above Replace the capacitor Y C2 Then energize and start the unit FLA RI DAE S E Replace the control panel AP1
80. r cooling mode the indoor fan and the swing motor will remain at the original state If T evap 242 8 F and the compressor has remained at OFF for at least 3 minutes the compressor will resume its original operation state Total current up and frequency down protection When total current Itotalx5 5A increase frequency is allowed when total current Itotal26A increasing frequency is prohibited when tota current Itotal27A the unit operates by decreasing frequency When total current Itotal29A the compressor stops operation and indoor fan will stop operation after 30s 2 Dehumidifying Mode D Working conditions and process of dehumidifying If Tamb gt Tpreset the unit will enter cooling and dehumidifying mode in which case the compressor and the outdoor fan will operate and the indoor fan will run at low speed If Tpreset 3 6 FsTambsTpreset the compressor remains at its original operation state If Tamb Tpreset 3 6 F the compressor will stop the outdoor fan will stop with a time lag of 30s and the indoor fan will operate at low speed Protection Protection is the same as that under the cooling mode 3 Heating Mode D Working conditions and process of heating If Tamb sTpreset 3 6 F the unit enters heating mode in which case the four way valve the compressor and the outdoor fan will operate simultaneously and the indoor fan will run at preset speed in the condition of preset cold air prevention If T amb 2Tprese
81. r FAN Pr HEAT Only for models with heating function Le Technical Information Service Manual When selecting auto mode air conditoner will operate automatically according to ambient temperature Set temperature can t be adjusted and won t be displayed either Press FAN button to adjust fan speed When selecting cool mode air conditioner will operate under cool mode Then press or button to adjust set temperature Press FAN button to adjust fan speed When selecting dry mode air conditioner will operate at low fan speed under dry mode In dry mode fan speed can t be adjusted When selection fan mode air conditioner will operate in fan mode only Then press FAN button to adjust fan speed When selecting heat mode air conditoner will operate under heat mode Then press or button to adujst set temperature Press FAN button to adjust fan speed Cooling only unit can t receive heating mode sonal set HEAT mode by remote controller press ON OFF button can t turn on the air conditioner 3 button Pressing or button once will increase or decrease set temperature by 1 F C Hold or button for 2s set temperature on remote controller will change quickly Release the button after your required set temperature is reached When setting Timer On Timer Off or Clock press or button to adjust the time See TIMER Button for setting details 4 FAN Button Pressing this button can select fan speed circularly as AUTO SPEED 1 4
82. ring blinking ON 0 5s and OFF 0 5s A C status Possible Causes Heating Yellow Red Green Indicator Indicator Indicator Indicator OFF 0 5S and blink Defrosting will occur in heating mode Compressor will operate while indoor fan will stop operation Its the normal state e o Installation and Maintenance Service Manual 9 3 How to Check Simply the Main Part Confirm the malfunction type according to the malfunction indicator of indoor outdoor unit and malfunction sheet usually the sheet will be stuck on the electric box cover or top cover of the unit As long as there is a malfunction the indicator of the outdoor controller board will display the corresponding malfunction directly Some malfunctions will be displayed on the indoor unit directly and some malfunctions will be seen on the remote controller by pressing light button for 4 times in 3 seconds In the below malfunction diagnosis process Y means Yes N means No In the below malfunction diagnosis process controller board AP1 is for outdoor controller board Before proceeding malfunction check make sure the electrolytic capacitor safety it may cause electric shock or break the controller board Installation and Maintenance o e 43 1 Malfunction of Temperature Sensor F1 F2 44 d Troubleshooting for CN F1 F2 malfunction e Is the wiring terminal between the temperature sensor andthe controller loosened or poorly cont
83. ring terminal of step motor Installation and Maintenance o eo 65 Service Manual Ss Procedure Remove two screws fixing display Note The display of some models is fixed on the panel unscrew the screws fixing the display on the panel before removing the Displ panel Screws UlsSp ay Remove the screw fixing electric box assy and then remove the electric box assy 8 Remove evaporator assy At the back of the unit remove the screw fixing connection pipe clamp and then remove the connection pipe clamp Evaporator assy Remove 3 screws fixing evaporator assy Screws Connection pipe Adjust the position of connection pipe on evaporator slightly and then lift the evaporator upwards to remove it 66 e o Installation and Maintenance Service Manual Sees Presde 9 Remove stepping motor Step motor Remove the screw fixing step motor and then remove the step motor 10 Remove motor and cross flow blade Remove the screws fixing motor clamp and then remove the motor clamp Cross flow Remove the screws at the connection place of cross flow blade and motor lift the motor and cross flow blade upwards to remove them Remove the bearing holder sub assy Bottom case C RA Installation and Maintenance o e 67 Service
84. rovided for the joint andthe exposed part of the copper pipe Block of outdoor heat ex Clean the dust accumulated on the surface of changer the heat exchanger Air filter were blocked 1 M Clean the filter Air circulation gt Fan speed was set too sow 9 To set the fan speed to high or middle speed is insufficient Fan rotation speed becomes damage tor low Capacitor Replace the capaci Motor damage 9 Replace the motor The installation position of the Good ventilation must be provided for the outdoor unit is not appropriate installation position of the outdoor unit The outdoor temperature is too high Properly install the rainproof plate or the sunproof plate If the maximum cool air still can not meet the requirement it is sug gested to replace the air conditioner The air tightness is not enough People come in and out too frequently There Keep certain air tightness indoors try not to use are heating devices indoors electricalappliance with large quantity of heat Installation and Maintenance 33 34 The fan does not run when it is set to supply air The indoor fan motor is burned or breaks or has the heat protector malfunction L p
85. s TIMER button again to cancel this function Note Range of time setting is 0 5 24h The interval between two motions can t exceed 5s otherwise the remote controller will exit setting status Simple operation rst 1 After putting through the power press ON OFF button on remote controller to turn on the air conditioner 2 Press MODE button to select your required mode AUTO COOL DRY FAN HEAT 3 Press or button to set your required temperature Temperature can t be adjusted under auto mode 4 Press FAN button to set your required fan speed auto low medium and high speed 5 Press SWING button to select fan blowing angle Technical Information o o 15 Service Manual 16 Replacement of Batteries in Remote Controller 1 Press the back side of remote controller on the spot marked with PD and then push out the cover of battery box along the arrow direction 2 Replace two No 7 AAA 1 5V dry batteries and make sure the positions of and polar are correct 3 Reinstall the cover of battery box Note During operation point the signal sender of the remote controller at the receiving window of the indoor unit The distance between signal sender and receiving window should be within 8m There should be no obstacle between them Signal may be interfered easily in the room where there is uorescent lamp or wireless telephone Remote controller should be close to indoor unit during
86. sulating to copper pipe well elf the work load of unit is heavy If radiating of unit is well If the refrigerant charging is appropriate Malfunction diagnosis process Installation and Maintenance o e 49 Energize and Switch on IPM protection occurs after the machine has run for a period of time Please confirm 1 If the indoor and outdoor heat exchangers are dirty If they are obstructed by other objects which affect the heat exchange of indoor and outdoor unit 2 If the indoor and outdoor fans are working normally 3 If the environment temperature is too high resulting in that the system pressure is too high and exceeds the permissible range 4 If the charge volume of refrigerant is too much resulting in that the system pressure is too high 5 Other conditions resulting in that the System pressure becomes too high Service Manual Use AC voltmeter Check the suppl to measure the If the voltage I d SES voltage between between terminal L and N on wiring N voltage an terminal L and N board XT is within restore it to on the wiring 210VAC 250VAC 210VAC 250VAC board XT Y Restart the unit Before protection occurs use DC voltmeter to measure the voltage between the two N ends of electrolytic capacitor on control panel AP1 test3 If the unit can work normally Yv Stop the unit and disconnect the
87. t 9 F the compressor will stop the outdoor fan will stop with a time lag of 30s and the indoor fan will stop after 60 second blow at low speed If Tpreset 3 6 F lt T amb lt Tpreset 9 F the unit will maintain its original operating status Under this mode the four way valve is energized and temperature can be set within a range of 61 86 F The operating symbol the heating symbol and preset temperature are revealed on the display 2 Condition and process of defrost When duration of successive heating operation is more than 45 minutes or accumulated heating time more than 90 minutes and one of the following conditions is reached the unit will enter the defrost mode after 3 minutes a When Toutdoor amb 241 F Toutdoor tubes28 4 F b When 28 4 FsToutdoor amb lt 41 F Toutdoor tubes21 2 F c When 23 FsToutdoor amb lt 28 4 F Toutdoor tubes14 F d When 14 F lt Toutdoor amb lt 23 F Toutdoor tubes Toutdoor amb 10 8 F e When Toutdoor amb lt 14 F Toutdoor tubex Toutdoor amb 7 2 F In this case the compressor and indoor fan stop while the outdoor fan and 4 way valve stop after 30s after another 30s the compressor starts with the operation frequency of 70Hz When the compressor has operated for 8min or Toutdoor tube250 F the compressor stops and the 4 way valve starts after 30s after another 60s the compressor and outdoor fan resumes operation and the indoor fan operates according to the condition
88. t only when the frequency droops For limiting lower limitFrequency management is carried out only when the frequency rises 4 Upper and lower limit of frequency by PI controlThe frequency upper and lower limits are set depending on indoor unit When low noise commands come from the indoor unit or when outdoor unit low noise or quiet commands come from indoor unit theupper limit frequency must be lowered than the usual setting Technical Information o e 19 Service Manual 3 minutes Standby Prohibit to turn ON the compressor for 3 minutes after turning it off except when defrosting Compressor Protection Function When turning the compressor from OFF to ON the upper limit of frequency must be set as follows The function must not be used when defrosting Frequency FCG3 FCG2 FCG1 TCG E TCG 2sec TCG E Time Discharge Pipe Control Outline The discharge pipe temperature is used as the compressor s internal temperature If the discharge pipe temperature rises above a certain level the operating frequency upper limit is set to keep this temperature from going up further Detail Divide the Zone Stop zone Drooping zone Keep zone Up zone Heat exchanger thermistor temperature Reset zone Management within the Zones Zone Control contents Stop zone When the temperature reaches the stop zone stop the compressor and correct abnormality Drooping zone Start t
89. tal29A the compressor stops operation and indoor fan will stop operation after 30s Technical Information o 17 Service Manual 18 5 Auto Changeover Mode In this mode the system selects the operation mode cooling and fan automatically according to the ambient temperature The display shows the actual operation mode and setting temperature There will be 30s delay for mode conversion The protection function is the same as that of other modes 1 When T4 277 F the cooling mode is selected 2 For cooling only unit when Tamb 71 6 F the unit runs in fan mode 3 When 71 6 F Ti amp 77 F upon initial startup the unit will enter auto mode and run in automatic fan mode if the other mode changes to auto mode the previous operation mode will remain i Cooling H Cooling operation operation a With compressor capacity supplied With no compressor capacity supplied 6 Auto fan speed Mode In auto fan mode the rotational speed of the fan for indoor unit is decided by the differential temperature between ambient temperature and set temperature In dry mode the automatic fan speed is forced to be low Models Mode Turbo High fan Medium Low fan speed fan speed speed Cooling 1260 1100 950 750 RE 1320 1200 1100 950 ACZEM4C4R12 1330 1100 950 750 ACZEM4H4R12 1350 1170 1050 950 7 Lover Mode After energization the swing motor will open the horizontal louver to be open and then be close completely And the
90. the requirement S select installation Prepare tools for electric connection location Select indoor unit installation location Select outdoor unit installation location Install wall mounting frame drill wall holes Connect pipes of indoor unit and drainage pipe Connect wires of indoor unit Install the support of outdoor unit select it according to the actual situation Fix outdoor unit Install drainage joint of outdoor unit only for cooling and heating unit Bind up pipes and hang the indoor unit Make the bound pipes pass through the wall hole and then connect outdoor unit Connect pipes of outdoor unit Connect wires of outdoor unit Neaten the pipes Vacuum pumping and leakage detection Check after install ation and test operation Finish installation Note this flow is only for reference please find the more detailed installation steps in this section 26 Service Manual Installation and Maintenance Service Manual 8 2 Installation Parts checking Name No X Name Indoor unit 8 Sealing gum Outdoor unit 9 Wrapping tape Connection pipe EIN of outdoor Fixing screw Drainage plug cooling frame and heating unit Connecting 1 Owner s manual cable power cord remote controller Walppe E A Note 1 Please contact the l
91. time or outdoor heat exchanger temperature must be more than its fixed value when finishing Detail 1 Conditions for Starting Defrost The starting conditions must be made with the outdoor air temperature and heat exchanger temperature Under the conditions that the System is in heating operation 6 minutes after the compressor is started and more than 44 minutes of accumulated time pass since the start of the operation or ending the defrosting 2 Conditions for Canceling Defrost The judgment must be made with heat exchanger temperature 39 F 72 F Technical Information o e 21 Service Manual 22 Frequency CT f OHz 60sec 50sec 600sec 50sec le rja gt ON Compressor OFF ON Four way valve OFF ON Fan OFF Electronic expansion SEKR E Ka valve opening Initial opening Fan Control Outline Fan control is carried out according to the following priority Fan ON control for electric component cooling fan Fan control when defrosting Fan OFF delay when stopped ON OFF control in cooling operation Tap control when drooping function is working Fan control in forced operation Fan control in indoor outdoor unit silent operation Fan control in powerful mode OO 0o Jo AR O N Fan control in normal operation Detail Fan OFF Control when Stopped Fan OFF delay for 60 seconds must be made when the compressor is stopped Tap Control in indoor outdoor unit silent operation
92. tion In other times the temperature sensor malfunction will be detected 3 Protection of Temperature Sensor 1 When short circuit occurs to the temperature sensor for 5s The temperature sensor overheats In this case the complete unit will stop for protection At the same time the temperature protection and temperature sensor malfunction will be shown 2 When break circuit occurs to the temperature sensor for 5s The unit will stop and the temperature sensor malfunction will be displayed Frequency Control Frequency Initial Setting lt Outline gt When starting the compressor or when conditions are varied due to the change of the room the frequency must be initialized accordingto the AD value of the indoor unit and the Q value of the indoor unit Q value Indoor unit output determined from indoor unit volume air flow rate and other factors PI Control Determine Frequency Up Down by AD Signal 1 P controlCalculate AAD value in each sampling time 20 seconds and adjust the frequency according to its difference from the frequencypreviously calculated 2 1 controllf the operating frequency is not change more than a certain fixed time adjust the frequency up and down according to the A D value obtaining the fixed AD value When the AD value is small lower the frequency When the AD value is large increase the frequency 3 Frequency management when other controls are functioningWhen frequency is drooping Frequency management is carried ou
93. tions 2 1 Specification Sheet Model roduct Code ated Voltage ated Frequency hases ower Supply Mode ooling Capacity Min Max eating Capacity Min Max ooling Power Input Min Max eating Power Input Min Max ooling Current Input Heating Current Input Power Supply Rated Input Rated Current Air Flow Volume SH H M L SL Dehumidifying Volume ER m EER HSPF SH H M L SL SH H M L SL Fan Motor RLA wing Motor Model wing Motor Power Output use Current ound Pressure Level SH H M L SL imension WXHXD imension of Carton Box LXWXH g et Weight OTE o 3 ARE a 2 S i IS U Di O 2 Di a oO T x x zE E OIO Q o D o MIT ri T zm T SIS Ss o HFJ alals Da sjors olo o oz zil g 9 9 a D o gg 9 0 o 3 SIS Os 5 zm 5 com mom non an OQ vojo s vlz o S o lo o S T A z o e r ole 329 oO ale o 3 5 cio o O Q Q E 3 O koj o c U en x o e O ojo micojcdolimlirm gri o lt lt J lt c Y v 2 o o me a o ol o S a 5 U DD o O o o all g OZ 5 2 23 2 TU EAR o lo 2 29 o I D zE T X D E ACZEM4H4R09 ACZCI4H4R09 CB162008200_L14385 208 230 V Outdoor 9000 5000 11300 9550 5300 12000 800 300 1350 1800 306 277 253 218 OW OW CMF Pinth Hz W W CMF m W A F Bu Btu h W 11 94 2 12 18 1260 1100 950 750 1320 1200 1100 950 S
94. to short circuit or creepage Measure the insula tion resistance or eliminate the malfunction one by one If the breaker itself has malfunction then replace the breaker The air condition er does not react after it is powered the buzzer does not sound and the remote star tup hasno response No power Check power supply circuit Fuse of controller burnt out Change controller fuse The transformer connection is loose or has bad contact or the transformer has malfunction Fasten the wiring measure the output voltage of the trans former if it is incorrect change the transformer jis powered the The remote controller does not receive signals after it buzzer will sound unless it has malfunction Controller is broken Check remote controller Remote controller is short of power Change batteries Remote controller malfunction Receiver loose or poor connection Receiver is broken First press the manual switch button AUTO if there is no response check based on the above methods If it runs nor mally after pressing the button check again whether the instal lation position and the connec tion wire of the reception head is correct If it is correct then re place the receiver or the remote controller Power voltage
95. will operate During heating operation the complete unit will stop operation During cooling and drying operation compressor will sop after operating for about 3 mins while indoor fan will operate During heating operation the complete unit will stop after operating for about 3 mins All loads operate normally while operation frequency for compressor is decreased All loads operate normally while operation frequency for compressor is decreased Possible Causes Nominal cooling mode 1 Loosening or bad contact of indoor ambient temp sensor and mainboard terminal 2 Components in mainboard fell down leads short circuit 3 Indoor ambient temp sensor damaged check with sensor resistance value chart 4 Mainboard damaged 1 Loosening or bad contact of Indoor evaporator temp sensor and mainboard terminal 2 Components on the mainboard fall down leads short circuit 3 Indoor evaporator temp sensor damaged check temp sensor value chart for testing 4 Mainboard damaged Outdoor temperature sensor hasnt been connected well or is damaged Please check it by referring to the resistance table for temperature sensor Outdoor temperature sensor hasnt been connected well or is damaged Please check it by referring to the resistance table for temperature sensor 1 Outdoor temperature sensor hasnt been connected well or is damaged Please check it by referring to the resistance table f

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