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Oasis MONO Split 3D DC Inverter Air Conditioner SERVICE

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4. current transformer 208 230V AC 250 350V DC Running CN14 connect to the earth E 202302130906 CE KFR26W BP3 PRO D 13 WPe 1 FUSE FUSE T20A7250VAC O cua T8e0AL 2850VAC ZRI O a CNI3 L IN CN12 N IND DASI T Oe _ amp ae power supply L IN mom D 208 230V AC r A
5. 202800130000 UE T3 15AL 250VAC cN es E E2 O i d OO o CN27 BRI J z Bar O u gt t Ww CN7 CN6 gt Z 4 CN28 4 j BLUE O ha olo BROWN E How RED CN29 O E cae E206 cS CN z CN24 E O 5 BR2 3 LT ul N35 g CN33 4 WAY N S n D ud L QUO 222 4 U __ o O Bs o D D17 21 o EG un CN18 E R216 4 V a C34 po a D15 E20 0 CN19 w w E203 4 H 208 2 241 04 oll o a d fal C33 c17 O L 3 E15 E icd R64 Res C3 O C46 bygg 558888 g 8985 CEEEEE a D n a Uli g 24 256 g 0 L fn Or fae DUE Dau B Orie gt g w 4 LEDS 1 04 8 IC7 ug 00 27 adler 50 0 25 E e Gal s 3 Gl o gt Di D Oboes S A o 58 w 8 P P age S o zoo
6. 52 C 3 5 0 5 6V DC 62 C 3 0 15V DC connect to the terninal connect to outdoor DC FAN 1 gt 290 300V DC standby 45 C 3 2 15 17V DC fan speed control speed feelbock 24VDC Pulse wave betweene CN42 C CN105 CNI CN2 controled by relayer connect to the 4 WAY when 4 way is ON output 208 230VAC 18 CN6 C CN9 C NS controled by relayer 8 controled by RY4 relayer connect to the heater when eater is ON output 208 230V AC connect to the earth P 1 GND 6 3 Pipe length and the elevation 6 Installation Details 6 1 Wrench torque sheet for u installation Liquid Additional tightening 3 8in 1 4in Outside diameter MS11M 09HRFN1 MWOW MOC 09HFN1 MWOW torque 9 52 6 5 1 2in 1 4in 06 35mm 1500N cm 153kgf cm 1600N cm 163kgf cm MS11M 12HRFN1 MVOW MOC 12HEN1 MVOW 12 7 6
7. is broken Yes Check the wires of fan motor Are all the NO Correct the connections connections good Yes i If the Check whether the fan malfunction is motor is normal through No still existing motor index 1 replace the A main PCB Yes Replace the Check whether the main PCB is man gt The normal through index 2 T malfunction is solved Yes 45 Index 1 1 Indoor or Outdoor DC Fan Motor control chip is in fan motor Measure the resistance value of each winding by using the tester If any resistance value is zero the fan motor must has problems and need to be replaced Index2 1 Indoor or Outdoor DC Fan Motor control chip is fan motor Power on and when the unit is in standby measure the voltage of pin1 pin3 pin4 pin3 in fan motor connector If the value of the voltage is not in the range showing in below table the PCB must has problems and need to be replaced Red Black White Yellow Blue DC motor voltage input and output Color Signal Voltage Black V V ND NO NE _ Black GND ___ 6 46 2 Outdoor DC Fan Motor control chip is in outdoor PCB Feedback 1 5 UN S 1 Hu H Hw _ Color Blue Yellow w V U 1 Release the UVW connector Measure the resistance of U V U
8. z T cNe4 EI O L connect to the 4 WAY exl ES when 4 way is output 208 230VAC x prc CN33 4 WAY Relay Output BLUE 208 230V AC RI cross the current transformer connect 1 00 CN28 OO Re O 0 BROWN S 1 E 208 230V AC n 016 TR connect CN30 CN29 4 1 QM S U n SS E 208 EB 8 R202 zu O 227 YE 1 R12 8 d 8 O4 t Dze 5 EA Reo ape 017 P connect to the compressor CN3 amp LJ re DO Sa pee 106 4 In connect to the earth On D ae we M V OVAC 2 X R205 8 H 10 800VAC running rn 215 VB3 7 E203 O00 T gv L Eg g s 2 24Lc04 58 ZF 0 Z v oho 88 se os 8 8 B SE 5j FUSE 1 Ho Ba esie CU cik 103 e cae onan sow Sse 8928 T20AL 250VAC Je EEG o BEREE DEDERE cee obec R0 Jooo o Dl 24LC256 ry ABI m CNIICS ru 4 OOOO m D PES z DIaI IDDI 01010161010 0 20 se o 58 o Vi connect to PER MAR Hi D14 uns Tus ean v S IC7 00 EET we b C53 n a DJ olo u 24VDC Pulse betweene C CN1 C CN11 ol o Ba t 0 osa Spa cp v T R niat cm T s a Cai p alse D as eel TP FAULT CN2 L IND CN37 5 E CS Test
9. 5 g X1 5 amp L ea TET TS RET T R33 C20 104 l B D 559 T DM po m C40 56 oQ B8 tg S Be t s S B 1 R54 Ge 55 has ner d IC5 R40 as 006 Ico Ta Eg or ES C29 CN20 B8 ka e B EC R42 C30 IC7 D14 R22 Oo m 15151 Ba J eq m C60 fe 032 p B 29002 E IBD DL gg ne O m j LO pue iE 2g Da D R9 c BES BE co 6 8 18 NE 4 CN12 004 s 2 c3 R50 9 10100 B R46 c32 IC8 9 E CN23 S B c E a Mid CN14 1 G JF D1 P em on D20 E som x MEE HE a C37 R51 IC10 uh A 516 5 D D io gps E 5 O OW I 5
10. 6085 For 18k 24k models Frequency F2 Frequency F8 on Compressor on 4 way valve off n Outdoor fan off on 5 Indoor fan Indoor fan breeze 10s M 10s no longer than 10m 305 mh XX 90 8 4 3 5 Evaporator coil temperature protection T2 gt TEH2 C the compressor running frequency decreases to the lower level and runs for 20s When the frequency decreases to F2 and the T2 is still over TEH2 C for 3 minutes the compressor will stop 1248 C 118 4 F or T2 stays in 48 C 118 4 F TEH2 C for 6 minutes the frequency will not be limited by T2 T2 gt 60 C 140 F the compressor will stop and restart when T2 48 C 118 4 F 8 4 4 Auto mode This mode can be chosen with remote controller and the setting temperature can be changed between 17 C 62 6 F 30 C 86 F In auto mode the machine will choose cooling heating or fan only mode according to AT AT 11 Ts AT gt 1 C 33 8F 1 30 2 lt lt 1 33 8 ATs 1 C 30 2 F Indoor fan will run at auto fan of the relevant mode The louver operates same as in relevant mode If the machine switches mode between heating and cooling the compressor will keep stopping for 15 minutes and then choose mode according to T1 Ts If the setting temperature is modified the machine will choose running
11. w e i 2 8 IC16 TT Wes opu ee ce O al os n p ee ICIS 018 i o 2 9 cas HH O GND CONdebug1 db 4 AO D3 CN1 u 400 N SN c11 Lg T T 4 WAY N D FUSE1 n N ne N bh 250VAC P1 i CN9 Pm c 1 R7 g t HEAT2 N C P2 in o 0 CN3 EL N oN 202302130895 N OUT CE KFR80W BP3T4N1 DC MOTOR 310 D 03 WP1 1 C2 a gt AS1 c gt AU T O I 1 GND V v lt T P V C52 CN4 N IN C6 C7 C8 ZR3 ZR2 L1 L2 40 9 3 Diagnosis and Solution 9 3 1 EEPROM parameter error diagnos
12. eee ass 1 fo ws e m se eos we 255 5 a fia 45 fus 2389 fe 185 5844 125 257 1856 o fiss 4 us 2289 187 5663 126 259 1808 s jia _ 49 us 2126 fes i 532 _ 128 262 177 9 e t52 4 Jio 2046 192 5157 129 264 1674 s wes fso we oo w s me ice se fios 51 124 for Jiss fassas 1 12 54 9969 52 126 1526 foe fio Jaros j 5 osos ss 127 1758 os M45 14 57 9066 s4 19 1694 fos 201 4425 _ e sr ees oo s pes wv ew ee jw ma m ue ae fo fa 9 ss ee ae oo 210 sare amp W PO 99 Appendix 3 ME e se lt oma 72 s w s wes m one 2 ss wes o wes 244 mse z se s wea o ez vm 37 2 sa so waa 9 vm mine a ss z s we es 422 2516 _ 25 ss o s o wa gt wore 123 s s 2 os ver 2606 _ s a a s s wes o 2055 12 2624 s as ses 6 wes 429 2042 s s se s we se 22 10 asa s 104 s 1562 vm 278 s 42 s see sm o zs 422 2696 _ sz mz ws m ame we core e
13. 1 0 amp 30 2 B While the zones of are corresponding to different compressor running frequency Note When T1 Ts keeps in the same temp zone for 3 minutes the compressor will run as the below rules Increase the frequency to the higher level until to F8 F Keep the current frequency G Decrease the frequency to the lower level until to F1 Run at F1 for 1h if T1 Ts 2 C 28 4 F the compressor will stop Meanwhile the compressor running frequency is limited by the current Off I3COOL Deren I2COOL Hold I1 COOL Resume I3COOL I2COOL I1 COOL mean different running current value Off Compressor stops Decrease Decrease the running frequency to the lower level Hold Keep the current frequency Resume No limitation for frequency Note When AC is in hold zone for 3 minutes the compressor frequency will rise to the higher level frequency will increase twice at most 8 4 2 2 Outdoor fan running rules 4 28 6 82 4 B 26 6 78 8 6 22 amp 71 6 R 2016 68 018 Y 8 4 2 3 Indoor fan running rules In cooling mode indoor fan runs all the time and the speed can be selected as high medium low auto and silent mode When the compressor is running the indoor fan is controlled as below For MS11M 09HRFN1 MWOW MS11M 12HRFN1 MVOW MS11M 18HRFN1 MUOW models speed LHL L D Auto fan running
14. A 2 me Xo sme xo yx 5 times 3 9 2 Outdoor unit error display gt MOC 09HFN1 MWOW and MOC 12HFN1 MVOW 5 ED301 LED3010n and LED 300 off standby LED300 LEDSO1 off and LEDSOO on running other status error LED100 After power on LED100 Blue color will be slow flash 0 2Hz when the unit is in standby and quick flash 2 5Hz if the unit has some problems LED301 LED300 GIC meo _ b k ewm k P eat or fe Kk Over voltage or too low votage protecion p Over voltage or too low voltage protecton P P pvenercompressorriveeror J O light X off 2 5Hz flash 38 gt MOF 18HFN1 MUOW
15. m M 24 SB u uuu 25 oM lee cela 25 abor t M e M 25 2 FOU HO Tem 26 8 4 Operation Modes and FuNCHiONS ccccccccssseeeeeecceeeseeeeeseeeeeceeeeeeeseeeeeseeaseeeesseaaseeeessaaaeeeeneesas 28 9 Ti oubleshoo imaxu mu ua ua E 36 9 1 Indoor Unit Error Display a nnne nnne nnn nnns 37 9 OU ori Sli 38 9 Diagnosis and 41 TO ExXBISd6d VISGWxu usu 65 O OOO 65 JO CO Or 73 TI Disassembly 1 6 amp uy 81 AoW MIO OOM E E 81 Mex electis EE 85 1 Precaution 1 1 Safety Precaution B To prevent injury to the user or other people and property damage the following instructions must be followed B Incorrect operation due to ignoring instruction will cause harm or damage B Before service the unit be sure to read this service manual at first 1 2 Warning In
16. mer a 1 ___ P E mgl 1 1 4 dS sss Hf ca 80 17V gt 5 C48 Rss E ES R87 C70 Co vss E28 5 Ba 5 mmm Cn 5 5 S C55 L IN E son og 05 N2 EE 8538585858 gs O Gt x CIR ms ry fenfen 05 fon Co 07 Em LJ TE DOIG SS TR em C73 Cp a OO E19 I Svat m us R110 E8 E27 E26 R109 L GNIS 2 CE KF 26W P3N1 PMV 120 D 13 WP2 1 R107 LED2 LED2 on and LED off Roe LED LED2 off and LED1 on running other status error power light when power is on LED4 aways on __ 4 LED3 Flashing once per second low speed flashing standby Flashing once per half second high speed flashing error aways on running 202 LED1 Green Red IPM malfunction or IGBT over strong current protection w k m Problems IU display Over voltage or too low voltage protecion
17. Pe Over voltage or to low voltage protecton P pvenercompressorarveeror __ p O light X off x 2 5Hz flash 39 gt MOG 24HFN1 MTOW LED1 standby Flashing once per second low speed flashing error Flashing once per half second high speed flashing running aways on E38 02 D C B gt SZ o CN24 CN22 CN19 CN18 j R 5 2 JA R112 mg 58 1 2 a i 17 C62 C64 58 IC6 565 IC3 D D D 58 115 CN37 S oo CN17 T3T4 Rss _ R31 Ame Do R98 gt R118 555 R117 9 1 1 958 c E27 mmm 59 27222 L30 DJ 0 EQ eda De 690 pa e PM ES c CN26 s D o LED1 Gf TestPort b CN27 mm R86 R99 21 IC15 8 BE PFC CONTROL 58 ll LE 5 TO DRIVE R88 Gay BO SGo x3 pc pO co 090 2 od Gor gu lt a R24 27 x R29 2 2 NZ oo IC2 Bo os ra conie S D F aa 958
18. anom N connect to IPM BOARD 2 4 3 S5VDC Pulse wave N P 5 3 S5VDC Pulse wave CN24 CN19 O USE USE CN27 NO USE NO USE _ CN38ces fes 27 test port e 8 B ICI8 connect to qetector x o9 w CN17 CN24 CNee CN19 CN18 ee room temp sensor RT 9 9 Y gue pipe temp sensor RT 9 9 is C62 C64 C17 IC1 pal IC6 103 1 CN37 e CN37 Jem TET CN7 3 Exaust temp sensor dic e o R98 4 1 E27 DD 5 Gas 6 03 RD a B R83 e m xus B BS HH C53 CNIS ND USE B Gu qm CN28 p Z ND USE NO USE Do Re o fi R25 sri JR CN10 S gt 104 33k lt 5 Signol wire Y SU eR eiii EE d exe 0 f USE ceo _ CNO0 e lel egre IC7 1 gt CN20 ree Eye 5 sd EB LT me CNe3 Bl 282086585 22 2 ndo 5 CNeS D 40 C44 g B8 D 8 5 7 4D 020 nn E guo B B B ga ES 5 Ice RAD CN23 S NU USE R94 es 4 CNI2 e Seo a e 1 734 o ls R4 R48 connect to the comperssor top temp sensor 25 C37 RSI 1 10 c D33 D16 22 01 pr J L 0v DC 5 ConpTop Ba X LDv HIGH aie ex 1 1 A C84 current transformer S882 geo Op R5 R59 CN25 CDNoelougl BE EB T Ei aS i I m
19. ia fw EL h 5 _ TAONGGN ix z E 9 4 xo i A xu AP mu 94 au a FLUKE 17B DIGITAL MULTIMETER Lr hc d Iv melo 82222322 12222232 o3 9 3 8 Over voltage or too low voltage protection diagnosis and solution P1 Error Code Malfunction decision An abnormal voltage rise or drop is detected by checking the conditions specified voltage detection circuit Supposed causes e Power supply problems e System leakage or block e PCB faulty Trouble shooting Disconnect the unit with power Check if the power supply is No gt supply and try to restart the unit normal when power supply gets normal Yes Check if all the connections Correct the connections or replace and wires are good the wires Yes Y Power on and when the unit is in standby check if the voltage between P and N is around DC 310V or 340V or 380V For different kinds of units the voltage differs No Consult with technical engineer to get definite value Then start up the unit measure the voltage between P and N Is it in 220V 400V Replace the IPM board if it is separate with main PCB Yes Y Replace outdoor main PCB Remark Measure the DC voltage between P and N port The normal value should be
20. 6 Disconnect the charge set and the charging cylinder and set the 2 way and 3 way valves to the open position Be sure to use a hexagonal wrench to operate the valve stems 7 Mount the valve stems nuts and the service port cap Be sure to use a torque wrench to tighten the service port cap to a torque 18N m Be sure to check the gas leakage 6 5 Adding the refrigerant after running the system for many years Indoc NZ Liquid side Outdoo 2 way j mi 4 Jui YIT Open d n j i NEZAN Gas side 1 XX as 24 VA p 0600 L UZ 9 om 3 way S t 3 E cr Open Open Lc t xr L A 1 7 a Charging mum N K 7 7 Y linde 3 LL CLOSE rs f LZ 1 4 1 Connect the charge hose to the 3 way service port open the 2 way valve and the 3 way valve Connect the charge hose to the valve at the bottom of the cylinder If the refrigerant is R410A make the cylinder bottom up to ensure liquid charge 2 Purge the air from the charge hose Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air be careful of the liquid refrigerant 21 3 Put the charging cylinder onto the electronic scale and record the weight 4 Operate the air conditioner at the cooling m
21. didis e ch Y T AE A 9 ab a LEDIOO ge NC um 0 gt a oF s GND 1C300 e4LCeSe 1030 24LC04 R ON E102 D103 pf CN104 CN101 test port LED300 LED301 T NO USE CAPACITOR Voltage connect to the comperssor top temp cn connect to detector LED301on ond LED300 off standby CN300 LED301 off LED300 on running 250 350VDC Running other stotus error igi iaht h Wick T ih EN i status light by which you can judge the unit Normal or Error status light by which you can judge e uni ormal or Error LED100 standby Flashing once per secono low speed flashing error Flashing once per half second high speed flashing running owoys on 16 PFC TERMINAL connect to REACTOR 0 5 08 AC standby 9 90V AC running connect to the compressor OVAC standby 10 200VAC running MOF 18HFN1 MUOW CAPACITUR Voltoge PFC TERMINAL is the some to test R208 voltage connect TO REACTOR and CAPACITOR 290 330VDC standby 0 2VACC j 210 300VDC Running CN26 CN31 0 0 2VAC s toncloy 9 50 V AC ICcunning CN24 CN31 0 0 5VAC s tandby0 250VACCrunning 5209 5 CN31CCN325 CN24 CN26 Rectifier Voltage ul 205 240V DC standby a a i a 2 210 300V DC Running a lt x gt o current transformer FUSE CN27 the ralay output wire cross this compon atSAL eS0VAC connect to CNeS 202302130651 FUSET TRISAL 250VAC cae 5 CN10 1
22. low silent mode or auto grade During all the fan speeds the anti cold wind function is preferential If the compressor stops caused by the room temperature rising the indoor fan will run at super breeze When the compressor is E s s mm L HLL m The anti cold wind function is as below running the indoor fan is controlled as below speed MZ mr For MS11M O9HRFN1 MWOW MS11M 12HRFN1 MVOW MS11M 18HRFN1 MUOW models 31 T2 i amp A Setting TEL8 Ee EN Sie TEL7 b TEL6 LoT Medium TELS 1 TEL4 E TEL2 Breeze TEL1 TELO B Breeze Y Off For MS11M 24HRDN1 MTOW model 216 Setting TEL8 TEL7 ji bM Medium TELS TRE TEL4 B Low TEL E TELS ss Breeze m TEL Y Off Auto fan action in heating mode For MS11M 09HRFN1 MWOW MS11M 12HRFN1 MVOW MS11M 18HRFN1 MUOW models 1 5 0 0 amp 32 B L 1 amp 30 2 B H L 0 2 L 216 28 418 H L 0 4 L 318 26 618 H L 0 6 L 4 6 24 8 B 51 amp 23 018 H L 0 84 L 6 amp 21 2 8 6 516 20 3 B H For MS11M 24HRDN1 MTOW model T1 Ts Low 2 5 amp 36 5 R 2 0 amp 35 618 Medium 1 5 amp 34 7 R 1 016 33 8 8 High 8 4 3 4 Defrosting mode Conditio
23. oF Ee o 90 S connect to outdoor DC FAN Ss ee E e 1 3 gt 290 300V DC standby 3 5 4 3 gt 15 17 DC 4 p 45 3 gt 0 5 6V DC speed control 51 pe 6 6 3 gt 0 15V DC speed feekback YELLOW rn us o 3 I amp 6 CN7 CN 5 RY3 8 8 a CN34 CN36 NI Qu w o CN6 CN9 CN7 CN8 connect to compressor heoter when heater is UN output 208 230V AC BLUE CN4 CN33 RY2 Ex ec 4 is RED C67 CN29 n a 1 10 R217 o F206 6 a a x 80 pp K O
24. s we ia zms we 294 60 2 Compressor checking Measure the resistance value of each winding by using the tester Input Terminal Blue Blue 4 Red 2 15 3 Black ADU y Black 3 o de Red 28 Position Resistance Value T 1779 0550 20 C 68 F 20 68 F 20 68 F 61 3 IPM continuity check Turn off the power let the large capacity electrolytic capacitors discharge completely and dismount the IPM Use a digital T v to measure the resistance between P and UVWN BEEN tester Normal resistance value EIL tester Normal resistance value 4 Indoor AC Fan Motor Measure the resistance value of each winding by using the tester ae SS Input Terminal I i 2 Black 2 2 gt White White 3 V V Y vo Black 2 Position Resistance Value Black Red 100 50 8 1000 8 20 68 F 20 68 F Brand Weiling Brand Dayang White Black 64 50 8 68 50 8 20 68 F 20 C 68 F Brand Weiling Brand Dayang 62 a mem mee F C 23 89 29 44 7 8 gt F C 4 23 89 29 44 35 40 56 46 11 F C 23 89 29 44 35 40 56 46 11 105 115 40 56 46 11 95 s 9 9 70 59 75 63 80 67 75 23 89 85
25. 1 203355091532 temperature sensor Evaporator 11 1 201533090129 24 Seal 1 202720090001 assembly A h Horizontal louver m holder 201119900952 27 bou 201133090993 V Horizontal louver Bearing base 202719900606 28 Belum 1 201133090999 W 72 10 2 Outdoor unit MOC 09HFN1 MWOW FAR rer RAR RAR PALER PRR Vl AA 27 5585555 ARATRI TON peras UP S7 DAA LA Ambient temperature 1 202301300115 17 Left supporter 1 201237400400 sensor assembly 2011374G0003 Top cover assembly 201237900028 Condenser Electronic control 1 201537690004 19 1 203337390226 assembly box assembly Pipe temperature Terminal board 1 202440500004 20 1 203337590049 sensor assembly assembly Valve plate 201237200282 202301400256 Chassis assembly 201237590091 Terminal board 201237590046 Rear right 4 Ways valve 201237590080 21 201637391606 s bm assembly 8 Big handle 201237390104 201600720095 Water collector 201137400000 21 2 4 Ways valve 2 201600690010 Liquid valve 10 Air outlet grille 201237390105 22 201637391145 assembly Clamp of front net gt 201135110801 224 22 1 Li
26. 101 5 Pull out the four wires of electrical heater three orange wires one grey wire 6 Pull out connectors of the compressor top temp sensor condenser coil temp sensor T3 outdoor ambient temp sensor T4 and discharge temp sensor T5 7 Remove the grounding screw 102 Four temp sensor connectors Grounding screw 4 Four way valve 8 Remove the power supply wires L1 L2 S 9 Then remove the electronic control box How to remove the four way valve 1 Perform work of item1 2 3 2 Recover refrigerant from the refrigerant circuit 3 Remove the screw of the coil and then remove the coil 4 Detach the welded parts of four way valve and pipe 5 Then the four way valve ass y can be removed The picture of four way valve may be different from the one on your side Four way valve Welded parts Coil of four way valve fixing by one screw 103 Compressor How to remove the compressor 1 After perform work of item1 2 3 2 Remove the discharge pipe and suction pipe with a burner 3 Remove the hex nuts and washers fixing the compressor on bottom plate 4 Lift the compressor from the base pan assembly 104 Discharge pipe and suction pipe Nuts of compressor
27. 29 44 95 35 105 40 56 115 46 11 63 Heating Chart 57 53 47 43 37 33 27 23 17 13 13 89 11 67 8 33 6 11 2 78 0 56 2 78 5 8 33 10 56 X 6 BAR BAR 57 59 47 43 37 33 27 23 17 13 6 57 53 47 43 37 33 27 23 17 13 s 75 3s os 26 24 M OES oe 57 53 47 43 37 33 27 23 17 13 13 89 11 67 8 33 6 11 2 78 0 56 2 78 5 8 33 10 56 64 10 Exploded View version of 2013 07 19 10 1 Indoor unit MS11M 09HRFN1 MWOW Accessory part Name BOMCode Part Name Qty BOMCode Panel assembly 201132590959 Horizontal louver 201132590956 Air filter 201132590962 Chassis assembly 201132590963 Display box 203332390972 16 1 Louver motor 202400200031 assembly Display board 3 1 201332391249 17 Pipe clamp board 201119900949 assembly Cover of indoor electronic control 1 201119900948 18 Installation plate 1 201232590037 box Panel frame Electronic control 5 1 201132590958 19 1 203332391073 assembly box assembly Electronic control 5 1 Screw cap 2 201119900950 19 1 1 201132490125 OX Electronic control Drain hose 1 201101020038 19 2 box 201132490139 OX Main control board 7 Pipe nut 1 201600330002 19 3 1 201332391485 assembly 65 Ambient temperature sensor 202433190000 assembly Ml 202301300
28. 41 8 H 4 516 40 1 5 3 5 amp 38 3j B 3 016 37 418 2 5 36 5 B 2 016 35 6 1 516 34 7 1 01 33 818 0 516 32 918 While the zones of A B C are corresponding to different compressor running frequency AT 0 C 32 F as default Note When T1 Ts keeps in the same temp zone for 3 minutes the compressor will run as the below rules Increase the frequency to the higher level until to F10 F Keep the current frequency G Decrease the frequency to the lower level until to F1 Run at F1 for 1h if T1 Ts AT gt 6 9 42 8 F the compressor will stop Meanwhile the compressor running frequency is limited by the current Decrease 2 Hold Resume ISHEAT 2 1 mean different running current value Off Compressor stops Decrease Decrease the running frequency to the lower level Hold Keep the current frequency I1 HEAT Resume No limitation for frequency Note When AC is in hold zone for 3 minutes the compressor frequency will rise to the higher level The frequency will increase twice at most 8 4 3 2 Outdoor fan running rules T4 1716 62 618 1516 59 01 12 6 53 6j B M 10j amp 50 0j 8 4 3 3 Indoor fan running rules Indoor fan speed can be set as high medium
29. 5 9 52 3 8in 2500N cm 255kgf cm 2600N cm 265kgf cm 1 2in 1 4in MS11M 18HRFN1 MUOW MOF 18HFN1 MUOW 12 7 6 5 12 7 1 2 3500N cm 357kgf cm 3600N cm 367kgf cm 5 8in 3 8in MS11M 24HRDN1 MTOW MOG 24HFN1 MTOW 15 9 9 52 15 9 5 8 4500N cm 459kgf cm 4700N cm 479kgf cm Standard M Additional Length length Elevation refrigerant A 6 2 Connecting the cables MS11M 09HRFN1 MWOW 25m 15g m The power cord should be selected according MOC 09HFN1 MWOW 32 8ft 82 0ft 0 160z ft ax ft to the following specifications sheet MS11M 12HRFN1 MV0W M 25m 15g m Appliance Amps AWG Wire Size OC 12HFN1 MVOW 32 8ft 82 0ft 0 160z ft 0m 82 0ft 164ft 0 16oz ft i 65 6ft 98 4ft 2 OG 24HFN1 MT0W 0 32oz ft The cable size and the current of the fuse or switch are determined by the maximum current indicated on the nameplate which located on the side panel of the unit Please refer to the nameplate before selecting the cable fuse and switch 19 6 4 Installation for the first time Air and moisture in the refrigerant system have undesirable effects as below Pressure in the system rises Operating current rises Cooling or heating efficiency drops Moisture in the refrigerant circuit may freeze and block capillary tubing Water may lead to corrosion of parts in the refrigerant system Therefore the indoor uni
30. ANG AY f GN W310 BP R 001 1 Ambient Main control temperature sensor 1 202301310075 202 1 201338090071 board assembly assembly 2011482G000 Inverter control 2 Rear net 1 20 3 1 201357190085 1 board assembly Condenser Installation board 3 1 201538090077 20 4 1 201157190010 assembly for E parts Pipe temperature 4 1 202301300111 20 5 Radiator 1 202301901173 sensor assembly Installation plate 5 Valve plate 1 201248300316 20 6 1 201295200010 of PCB Terminal board Chassis assembly 1 201257190085 21 1 203338090315 assembly Rear right 7 clapboard 201238090067 21 1 Wire joint 202301450155 assembly Big handle 201287390104 212 Ea 2 Terminal board 201257190116 t valve Water collector 201138090002 22 201638091091 assembly 79 3 14 6 N Co NO cO N 20 1 Front right clapboard assembly Front panel Air outlet grille Axial flow fan Asynchronous motor Supporter assembly of fan motor Rear supporter Top cover assembly Left supporter Partition board assembly Electronic control box assembly Cover of electronic control box 201248200
31. Four screws Reactor connector Compressor connector and electrical heater connector 3 Pull out the two blue Two blue wires of four way valve wires connected with the four way valve 4 Pull out connectors of the compressor top temp sensor condenser coil temp sensor T3 outdoor ambient temp sensor T4 and discharge temp sensor T5 5 Remove the ground wires 6 Remove the power supply wires L1 L2 S 7 Then remove the electronic control box 4 5 Four way valve Compressor How to remove the four way valve The picture of four way valve may be different from 1 Perform work of item the one on your side 1 2 3 2 Recover refrigerant Co Four way from the refrigerant circuit valve 3 Remove the screw of the coil and then remove the coil 4 Detach the welded parts of four way valve and pipe 5 Then the four way valve ass y can be removed Welded parts How to remove the compressor 1 After perform work of item1 2 3 2 HRemove the discharge pipe and suction pipe with a burner f 3 Remove the hex nuts 4 Discharge and washers fixing the 2417 E compressor on bottom N di 6 94 t suction plate i j pipe 4 Liftthe compressor oa from the base pan assembly Nuts of compress 90 MOF 18HFN1 MUOW No Part name Procedures Panel plate How to remove the panel plate 1 Stop operati
32. L 5 1 R67 C46 1613 4 D18 T t to IPM BOARD CNS 1 ro d connec o L OUT 8 connect to the Earth Optional DP ae x cross the current transformer cds HH CE FOR EMC lt 0072 3 007 208 230V AC P1 connect to IPM BOARD CN4 N OUT ony n 3S C1 ______ connect to L HUT N DUT 2808 230V AC Lg as 4 WAY D FUSE CN6 q rJ CNS aw HEATI N Cb TSA 250VA P1 2 DN 7 FUSEI ami ZT ONE 1 E TSA 250 foot HEAT n PTCI eg b Pe I Bas yr CN3 2 202302130895 0 i b _ 1 dde ZRI T20AL 250VAC IU CE KFR80W BP3TANICDC MOTOR 310 D 03 WP1 1 C3 i 2 EN m L Z T 5 5 rn kes P i Ed CN3 IND CN37 Ii Pus AES CNAGN IND CN38 power supply c52 T CN4 C5 L 208 230V AC H connect to the terminal C6 C J Bl 263 2 L LEDI status light by which you can judge the unit Normal or Error standby Flashing once per secondllow speed flashing Connect to Electric Expansion Valve py esid Jq IND amp uaemieg asjind JQ 2 9 asynd JM I ND e Usemzaq arom asid JQ CN38 connect to IPM BOARD CN6 G15 CH7 V DC
33. L2 and S of outdoor unit Connect the red pin of multimeter with L2 port black pin with S port Yes v Check all the wiring with outdoor units 15 the wiring to the outdoor main PCB connected correctly 15 the reactor connected well Yes v Measure the resistance of the reactor The one without capacitor If it is zero follow the below step If not replace a new reactor Replace the outdoor main PCB Power on Is the error extinguished NO v Replace the indoor main PCB y Check all the wiring with indoor units Is the wiring to the indoor main PCB connected correctly Yes y Replace the indoor main PCB Power on Is the error extinguished 42 NO Y Replace the outdoor main PCB S4 OM WIS OE ONS 43 Remark Use a multimeter to test the DC voltage between L2 port and S port of outdoor unit The red pin of multimeter connects with L2 port while the black pin is for S port When AC is normal running the voltage will move alternately between 50V to 50V If the outdoor unit has malfunction the voltage will move alternately with positive value While if the indoor unit has malfunction the voltage will be a certain value Remark Use a multimeter to test the resistance of the reactor which does not connect with capacito
34. detection compressor rotation speed signal detection and so on Supposed causes Wiring mistake IPM malfunction Outdoor fan ass y faulty Compressor malfunction Outdoor PCB faulty Trouble shooting Check if the wiring between main PCB and compressor connected by error and if the wires and connectors are broken x No v IPM continuity check Check if the IPM terminal resistance values are No Yes Correct the connection or replace the wires and connectors uniform Refer to page 64 Yes Check if the outdoor fan runs Y Replace the IPM board or replace the main PCB if the IPM board and main PCB are integrated together properly or the outdoor unit No ventilation is good Yes Y Check if the compressor resistance NO values are uniform Refer to page 63 Yes Y Replace the outdoor main PCB if the gt main PCB and IPM are separate AN ye 2 5 P 56 please refer to the solution of fan speed is out of control Replace the compressor Main parts check 1 Temperature sensor checking Disconnect the temperature sensor from PCB measure the resistance value with a tester N Tester Temperature sensors temp T1 sensor Indoor coil temp T2 sensor Outdoor coil temp T3 sensor Outdoor ambient temp T4 sensor Compressor discharge
35. inlet grill of the product during operation Do not touch the electrostatic filter if the unit is so equipped There is risk of physical injury electric shock or product failure B When the product is soaked contact an authorized service center There is risk of fire or electric shock B Be caution that water could not enter the product There is risk of fire electric shock or product damage B X Ventilate the product from time to time when operating it together with a stove etc There is risk of fire or electric shock B Turn the main power off when cleaning or maintaining the product There is risk of electric shock B When the product is not be used for a long time disconnect the power supply plug or turn off the breaker There is risk of product damage or failure or unintended operation B Take care to ensure that nobody could step on or fall onto the outdoor unit This could result in personal injury and product damage CAUTION B Always check for gas refrigerant leakage after installation or repair of product Low refrigerant levels may cause failure of product B install the drain hose to ensure that water is drained away properly A bad connection may cause water leakage B Keep level even when installing the product It can avoid vibration of water leakage B Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods It may
36. right side photos find out the fixing screws of the panels Screws of top panel 3 Remove the screws of Screws of front panel top panel and remove the top panel side panel 4 Remove the screws of the front panel including the fixing screws of motor holder and then remove the front panel Screws of front panel Screws of the right Screws of big handle on right side plate Screws of water connector on right side plate 5 Remove the screws of the right side plate and remove the right side plate Screw of the top panel Screws of right rear plate Screw of top panel Screws of front panel Screws of the motor holder 2 Fan ass y How to remove the fan ass Nut fixing the fan 1 After remove the panel plate following procedure 1 remove the hex nut fixing the fan and then remove the fan Electronic control box One reactor Compressor and liquid gas separator Electrical parts 2 Remove the connector of the fan motor pase 3 Remove the four screws and the remove the fan motor How to remove the electrical parts 1 After finish work of item 1 and item 2 remove the connector of the compressor 100 2 Remove the six screws fixing the IPM board 3 Release the three connectors of the temp sensor 4 Pull out the two blue Wires connected with the four way valve Two blue wires of four way valve
37. rules For MS11M 09HRFN1 MW0W MS11M 12HRFN1 MV0W MS11M 18HRFN1 MU0W models T1 Ts H 6 0 8 42 8jB 5 0 amp 41 0 B H L 0 754 L 4 0 amp 39 2 R b i H L 0 5 L 2 5j amp 36 5 B L 0 25 L 1 016 33 818 x 29 For MS11M 24HRDN1 MTOW model T1 Ts 4 39 2 amp High 316 37 418 1 5 amp 34 7 R 1 0j amp 33 8j B Y Low 8 4 3 Heating Mode 8 4 3 1 Compressor running rules The maximum operation frequency of the compressor after starting submits to the following rule T4 3416 93 215 33 91 4 8 2816 82 418 2 27 amp 80 6 R 256 77 0 8 241 amp 75 2 B Fmax F3 22 amp 71 6 R P 2116 69 81 pers 1918 66 2 R 1816 64 418 1618 60 818 1416 57 218 1216 53 61 11 amp 51 8 B 6 0 amp 42 8j amp 5 016 41 018 MASES Fmax F10 Fmax The maximum operation frequency of compressor F1 F8 The detailed value of the compressor operation frequency If users switch on AC by remote controller the compressor will run at the Fmax frequency for 7 minutes according to outdoor ambient temp During the 7 minutes the frequency limitation is active 7 minutes later the compressor running frequency will be controlled as below 30 T1 Ts 5 016
38. temp T5 sensor Measure the resistance value of each winding by using the multi meter 57 Appendix 1 Temperature Sensor Resistance Value Table for T1 T2 T3 T4 C K c c Kon Kom Kom 20 msz 20 es wee wo 23574 100 212 082973_ Pia o ses 22 zz ws s we 102 216 osse o pese p L e a me om s sosse 22 wr 208792 10a 218 s 7 26 essor es ws 106 228 ss ze 27 67 156 ves 107 225 oss o rores 28 15 17697 108 226 048080 22 osos zs sseses eo 156 1707 100 228 w ere s ss 77078 158 280 047056 s oe se 7 160 150068 111 22 oue s sae vo 72044 162 15868 112 044699 a se s sess 165 tasas 237 042304 s a s o sse 77 w1 12078 245 osem se so sre we 120 246 05082 s sasa ns ss wer osos 128 259 030754 s as we ears 100 osse 128 262 as 120 ss 102 osres 120 264 0
39. the product Be careful and avoid personal injury B Replace the all batteries in the remote control with new ones of the same type Do not mix old and new batteries or different types of batteries There is risk of fire or explosion B not recharge or disassemble the batteries Do not dispose of batteries in a fire They may burn of explode B Ifthe liquid from the batteries gets onto your skin or clothes wash it well with clean water Do not use the remote of the batteries have leaked 2 Part Names And Functions 2 1 Model Names of Indoor Outdoor units EE A u s _ DAMM MS11M O9HRFN1 MWOW MOC 09HFN1 MWOW T MS11M 12HRFN1 MVOW MOC 12HFN1 MVOW MS11M 18HRFN1 MUOW MOF 18HFN1 MUOW 24k MS11M 24HRDN1 MTOW MOG 24HFN1 MTOW 2 2 Part names of Indoor Outdoor units or Ore 2 3m or more Li bt P 4 2 o L _ 7 S I gt 50 m lt O Op a Bee ape dli LK oad 1 gt i NIN J H ore gt hi v 48 goom V t me Pd amp lt lt SO nory 2 3 Functions of Indoor Outdoor units Filter Col
40. 00948 18 Installation plate box Drain hose Evaporator m 1 201532590458 19 6 Wire joint 1 202301450119 assembly Cover of electronic 10 Fan motor cover 1 201132490127 20 1 201132490126 control box Asynchronous 11 1 202400370022 21 Remote Controller 1 203355091532 motor Bearing holder 201119900952 202720090001 Cross flow fan 201100200054 Air freshening filter 201131410703 68 MS11M 18HRFN1 MUOW ONLY FOR STANDARD BOM CUSTOMIZED FEATURE MAY CHANGE THE PART LIST Accessory part I 04 Name BoMCode Pat Name Panel assembly 1 201132890674 Bearing holder Display box 1 203332390972 17 Cross flow fan assembly Display board 3 1 did 1 201332391249 18 Chassis assembly assembly Cover of indoor 4 electronic control 201133091048 19 bo Panel frame 5 1 201132890673 20 Installation plate assembly Electronic control 5 1 Screw cap 3 201119900950 21 box assembly Electronic control 7 201132890677 21 2 b Main control board 7 1 Louver motor 1 202400200120 21 3 assembly 69 1 1 Air outlet assembly 202432390005 Ambient Drain hose 01101020038 21 5 temperature sensor assembly Pipe temperature Pipe nut 201600330001 21 6 sensor assembly 202301300584 201133090981 2 Cover of electronic 201600330003 22 1 control box Fix clamp of 201102000305 Remote Controller 1 t
41. 082 Liquid valve 201600740706 Electronic 201248200103 22 3 1 201601300032 expansion valve 4 way valve 201238090068 23 1 201638091121 assembly 201100300527 201600720398 20240030004 7 4 Ways valve 201600600119 1 201257190071 201400601740 Crankcase 201248200095 25 1 202403101715 Discharge 201248300309 26 temperature 1 202448200000 sensor assembly Cover of 201248400036 27 1 201248390003 inductance 203338090316 omall Handle 201148700009 11 Disassembly Instructions Note This part is for reference the photos may have slight difference with your machine 11 1 Indoor unit No Parts Procedures 1 Front panel How to remove the front Overview panel 1 Pullthe below side of the panel and release the iiingtlie cour clips Then remove the front panel 1 MN gr 2 Remove the filter and horizontal louver i 3 Remove the four fixing screws 4 Remove the cover one screw 5 Lift the panel frame and release the connector of display ass connectors Then remove the panel frame T EE EN _ assembly Connector for display ass y 81 Electrical How to remove the Room temp sensor parts electrical parts 1 After remove the front panel from procedure 1 pull out the room temp sensor and evaporator coil sensor Remove the grounding Screws 2 Pull out the clip toward the left side an
42. 1 Model Names of Indoor Outdoor units a nnne nnne 4 2 2 Part names ol Indoor Outdoor UNS essc ee ot eed Ye teen Pe pd You eda ie et eco Lad vov eto arto od otis 4 2 9 F nctions OF Indoor OutdoOr u uu 5 DIMENSION uu uushapa ss susu ka Dr FEE Eos a ERE Eco a 8 cms 8 Sca RE 10 4 Refrigerant Cycle Diagram oC 11 5 Wiring Tuy u u LER 12 5 seres 12 5 2 Outdoor bil e O 14 6 21 7 7 eC 19 6 1 Wrench torque sheet for installation a uama 19 5 2 GOMMECTING the Gables cta a nan a tu n Lat a RA ban teach ene biu 19 6 3 Pipe length and the elevation 19 o TOF aate emis 20 6 5 Adding the refrigerant after running the system for many years 21 6 6 Re installation while the indoor unit need to be repaired 21 6 7 Re installation while the outdoor unit need to be repaired 22 Z Operation
43. 110mm 45mm 5 2 56 5 5in 4 3in 1 8in 260mm 135mm 45mm MS11M 18HRFN1 MUOW l 5 2 56 10 2in 5 3 1 8in 2 5mm 275mm 45mm MS11M 24HRDN1 MTOW l l 5 2 56 10 8in 10 8in 1 8in 3 2 Outdoor Unit More than 30cm 11 8in More than 60cm 23 6in Service space More than 30cm 11 8in ail Air inlet Air inlet E m j Air W1 ra Note he above drawing is only for reference The appearance of your units may be different w p H w A p MOC 09HFN1 MW0W 760mm 285mm 590mm 823mm 530mm 290mm MOC 12HFN1 MVOW 29 9in 11 2in 23 2in 32 4in 20 9in 11 4in 845 320 7 MOF 18HFN1 MUOW m SAN Se 33 3in 12 6in 27 6in 35 7in 22 0in 13 2in 1 MOG 24HFNi MTOW omm sTomm Se mm summ eomm sssmm 36 7 12 9in 35 1 40in 24 1in 13 6in 4 Refrigerant Cycle Diagram INDOOR HEAT EXCHANGE EVAPORATOR T2 Evaporator temp sensor T1 Room temp sensor OUTDOOR Electronic CAPILIARY TUBE expansion valve CAPILIARY TUBE LIQUID SIDE DX 2 WAY VALVE p GAS SID
44. 28482 so so tee vo 2 0277 _ sr isone se ws 273823 205 we 277 023916_ v tase 57 135 26 6 2 o7 207 osse 187 270 02338_ e en se oe me 02277 Luz s 22467 oo 210 ose vo 82 022251 Appendix 2 Temperature Sensor Resistance Value Table for T5 C K rie 20 4 527 2 68 6866 60 140 1359 212 3702 18 o ass gt 72 e273 ez 14 1265 102 216 3492 pr Tess ez _ 36 45 24 75 57 64 147 1179 104 219 326 34 7 3843 792 5 66 151 1099 1 223 ats 13 sess 2 gt 5028 fer isa 107 225 3025 2 fio fases 28 ee 4914 6 154 05 108 226 2941 31 12 3251 69 156 9 gt io 228 i286 30 14 sorz so 86 4417 is ose 230 2781 9 e 23 s 4233 7 160 P9249 in 232 2704 s s 29 se 4057 72 162 eos 12 234 263 s m e s ars sse _ s m or ss uz 2200 o s o eo ese wo ow _ n e me e s s ve se s wes zs fe wo gt ase s s ws we sse
45. 584 ne Evaporator 1 201532590453 19 6 Wire joint 1 202301450119 assembly 22 3 24 10 Fan motor cover Fix clamp of Pipe temperature 201102000305 temperature sensor sensor assembly 203355091532 Cover of electronic 201132490127 20 201132490126 control box Asynchronous 11 202400370022 21 Remote Controller motor Cross flow fan 201100200054 a Air freshening filter 201131410703 202720090001 66 MS11M 12HRFN1 MVOW Accessory part 1 Code 201132590956 201132590963 No Name Qty BOMCode Pat Name Panel assembly 201132590959 Horizontal louver Air filter 201132590962 Chassis assembly Display box 3 203332390972 16 1 Louver motor 1 202400200031 assembly Display board 3 1 201332391249 17 Pipe clamp board 1 201119900949 assembly 201232590037 Panel frame Electronic control 5 201132590958 1 203332591105 assembly box assembly Electronic control 5 1 Screw cap 2 201119900950 19 1 box 1 201132490125 OX Electronic control 1 201101020038 19 2 1 201132490139 box Main control board 7 Pipe nut 1 201600330003 19 3 1 201332591013 assembly Ambient 7 Pipe nut 201600330001 19 4 temperature sensor 1 202433190000 assembly Fix clamp of Pipe temperature 1 201102000305 19 5 1 202301300584 temperature sensor sensor assembly 67 Cover of indoor 4 electronic control 1 2011199
46. 890332 box assembly assembly 2011481G000 Terminal board 2 Hear net 1 21 1 203337990161 assembly Condenser 201537890068 21 1 Wire joint 202301400256 assembly P Emm 202440500004 21 2 Terminal board cc 201237890064 sensor assembly Liquid valve 5 Valve plate 201237300285 22 201637891245 assembly Chassis assembly S RE 201257090054 Liquid valve 201600700078 Rear right Electronic clapboard 201237890100 22 2 expansion valve 1 201601300554 assembly assembly Water collector 201137390017 231 Gasvave 1 201600720194 Front right clapboard 201248100389 23 2 4 Ways valve 201600690011 assembly Front panel 1 201248100320 le jen sn 201400608269 4 way valve Big handle 201237390104 23 1 201637891247 assembly Crankcase Air outlet grille 201237890112 25 202403100501 electric heater Discharge Axial flow fan 201145500002 26 temperature 1 202301310068 sensor assembly Asynchronous Cover of 202400300033 27 1 201248090001 motor inductance assembly of fan 201257090031 28 Reactor 202301000820 motor Top cover assembly 201248100363 Clamp of front net m 201135110801 LA Capacitor of 18 Left supporter 201248100367 31 202401000078 compressor Partition board 19 1 201237790031 Capacitor clip 1 201200100002 assembly 78 MOG 24HFN1 MTOW Fb 7 f P SN Y 7 7 7
47. E 4 T4 Ambient temp sensor QTD gt lt 3 WAY VALVE Accumulator Y T3 Condenser temp sensor HEAT EXCHANGE CONDENSER Compressor T5 Discharge temp sensor 4 COOLING HEATING 11 5 Wiring Diagram 5 1 Indoor Unit MS11M 09HRFN1 MWOW MS11M 12HRFN1 MVOW MS11M 18HRFN1 MUOW 202032891227 SWIMG MOTOR2 OPT IONAL OPTIONAL HK OPT I ONAL PLASMA DISPLAY BOARD 3 m UM TUR n i 69 G9 G9 amp INDOOR UNIT S ME TENE 00 OUTDOOR UNIT INDOOR WIRING DIAGRAM Notes This symbol indicates the element is optional the actual shape shall be prevail MS11M 24HRDN1 MTOW SWING MOTOR 202033091128 SWITCH BOARD umen murem OR ANION GENERATOR N RED NS 10230 1 2 3 4 200 x H pos OPTIONAL POWER BOARD 15624 HHH virco OPTIONAL DISPLAY BOARD This symbol indicates the element 8 7 optional he actual shape shal be prevail WHITE YELLOW 12 pipe T1 room 1 TM Of Power Supply Cord Ny E Measures Up To The IEC Standards BROWN 2 The Functions In The Rectangle Are Available Fot Particular Air condition 3 Connecting CN TIN and CN TO is TRANSFORMER or POWER PCB 5 2 Outdoor Unit MOC 09HFN1 MWOW MOC 12HFN1 MVOW HEAT EXCHANGER SENSOR m A
48. MBIENT DISCHARGE SENSOR 202037590983 SENSOR MT OLP TEMP SENSOR different terminals i GND can be connected l in diferent ways OUTDOOR MAIN PCB COMPRESSOR YG I I am I RA RA OPTIONAL i HEATER OUTDOOR REACTOR FAN e R1005 R20035 OUTDOOR WIRING DIAGRAM 14 MOF 18HFN1 MUOW 1 202037890705 e ISCHARGE SENSOR OPTIONAL OLP TEMP SENSOR OPTIONAL Dew OPTIONAL U BROWN r l el rs1 r e1 re1 Lz B L1 L2 COMPRESSOR POWER SUPPLY YIG 2 L1 12 5 INDOOR UNIT OPTIONAL HEATER YELLOW heater 2 E KK gt 4 neater 1 KK RED R1310 RED i ORANGE OUTDOOR WIRING DIAGRAM 1 YELLOW 15 MOG 24HFN1 MTOW 2020 3809085 1 for after sales HE na nce HEAT EXCHANGER SENSOR zd AMB ENT SEHSDR OUTDOOR MAIN PGB ORANGE REACTOR R1815 RED B RED OUTDOOR WIRING DIAGRAM CAPAC TOR MOC 09HFN1 MWOW MOC 12HFN1 MVOW Rectifier input Voltage the same as power supply OPT ONAL HEATER We PI 8 8 T8 l up OUTDOOR Rectifier output Voltage 290 330V DC standby
49. OASIS MONO SPLIT 3D DC INVERTER AIR CONDITIONER SERVICE MANUAL Mono 5D Revision A 1312030001 Content updated Model Numbers MS11M 09HRFN1 MWOW MS11M 12HRFN1 MVOW MS11M 18HRFN1 MUOW MS11M 24HRDN1 MTOW Table of Contents Precaution Part Names And Functions Dimension Refrigerant Cycle Diagram Wiring Diagram Installation Details Operation Characteristics Electronic Function Troubleshooting eed CERTIFIED Exploded View Disassembly Instructions ee ee SS YS m WARNING Installation MUST conform with local building codes or in the absence of local codes with the National Electrical Code NFPA70 ANSI 1 1993 or current edition and Canadian Electrical Code Part1 CSA C 22 1 The information contained in the manual is intended for use by a qualified service technician familiar with safety procedures and equipped with the proper tools and test instruments Installation or repairs made by unqualified persons can result in hazards to you and others Failure to carefully read and follow all instructions in this manual can result in equipment malfunction property damage personal injury and or death This service is only for service engineer to use CONTENTS n 1 ESI OE ETE D 1 am m MT 1 2 Part Names And FUNCUONS u u eus As u Eve ee ie Ra ew Pu CES Eo op EN EVER qapas RI UE 4 2
50. Port gt L bi 2 2 rar coo BED vss power supply 8 OG cs7 208 230V AC D oo eina 2 connect to the terminal d 5558 ZRI 528 z Gres O RSS R95 RES REZ s 95 LIED GEGEN ne Dese ZR3 b o q ES Be 3 Or BIE ie CE 4 um z SGP Spelt i ONT connect to the comperssor top temp enl 9 b RID jJ 0v DC oN gt Pa Hug 0 CE K R26Q 120 013 2 1 810 3 o 1 Electric Expansion Valve CN16 19V DC pulse wave between D GND 1 CO TH CNIS _LED 12V DC pulse wave between 2 GND 2 D USE aX A5 LEDe on and LEDI off standby ND USE test port 12V DC pulse wave between 3 GND 3 S EE LED off and LEDI on running connect to detector 12V DC pulse wave between 4 GND 4 ch de LEDH Other status error V DC 5 s fo S 3 DC a 2 5 a 3 5 5 3 5 LED4 ic light when power is on LED4 owoys on Flashing once per half second high speed flashing Cerrar LED3 once per second low speed flashing standby aways on running 17 MOG 24HFN1 MTOW error Flashing once per half second high speed flashing running aways on Mod S545 CN39 2 DC FAN POWER SUPPLY 1 a gt 2 S P 5 N 290 330V DC lt Xstonck840 300VDC Running Low VOL supply F P connect to IPM BOARD CN11 P connect to IPM BOARD
51. TAGE CAUTION For other models please connect discharge resistance 1000 40W or soldering iron plug between terminals of the electrolytic capacitor on the contrary side of the outdoor PCB Discharging position Discharging period 10 seconds or more Plug of soldering iron Note The picture above is only for reference The plug of your side may be different 36 9 1 Indoor Unit Error Display Operati pere Timer lamp Display LED STATUS lamp E xx 1 time Indoor unit EEPROM parameter error 2 times Indoor outdoor units communication error xx 3 times xx 4 times Zero crossing signal detection error Indoor fan speed has been out of control yx b times X Indoor room temperature sensor T1 open circuit or short circuit Evaporator coil temperature sensor T2 open circuit or short circuit Refrigerant leakage detection Fi Outdoor ambient temperature sensor T4 open circuit or short circuit Fo Condenser coil temperature sensor T3 open circuit or short circuit P2 P4 yx 6 times X 7 times 2 times xx 3 times yx 4 times 6 times circuit or short circuit High temperature protection of compressor top diagnosis and solution only for 9k 12k models P4 Inverter compressor drive error O light X off x flash xx 1 times x 2 times 3 times f m x _ 2 ms x _ 3 ms X X T ms X x Stimes _ 6tms
52. The louver operates same as in cooling mode 5 Auto fan For MS11M 09HRFN1 MWOW MS11M 12HRFN1 MVOW MS11M 18HRFN1 MUOW models T1 24 amp 75 2j 8 6 016 42 815 5 016 41 016 H L 0 75 L 4 0 amp 8 39 2 8 H L 0 5 L 25 8 36 5 B H L 0 25 L 1 0 6 33 8j L For MS11M 24HRDN1 MTOW model 4 27 5 amp 81 5 B High 27 0 amp 80 6j R 25 516 77 918 Medium 25 0 amp 77 0 amp Y Low 8 4 2 Cooling Mode 8 4 2 1 Compressor running rules The maximum operation frequency of compressor after starting submits to following rule 28 T4 i Fmax F4 45i amp 113jR 43 amp 109 4j B 40 amp 104 8 Fmax F7 38 amp 100 4j B 31 5 amp 88 718 Fmax F8 29 516 85 1 R 22 068 71 615 Fmax F6 20 018 68 018 Fmax F3 Fmax The maximum operation frequency of compressor F1 F8 The detailed value of the compressor operation frequency If users switch on AC by remote controller the compressor will run at the Fmax frequency for 7 minutes according to the outdoor ambient temp During the 7 minutes the frequency limitation is active 7 minutes later the compressor running frequency will be controlled as below T1 Ts i 3 5 amp 38 3 B 3 016 37 418 2 516 36 515 2 0 35 6j amp 1 5 amp 34 7 B 1 0 amp 33 8 R 0 5 amp 32 9j R 0 516 31 1 B
53. W V W If the resistance is not equal to each other the fan motor must has problems and need to be replaced Otherwise go to step 2 Power on and when the unit is in standby measure the voltage of pin4 5 in feedback signal connector If the value is not 5V change the PCB Otherwise go to step 3 Rotate the fan by hand measure the voltage of pin1 5 pin 2 5 and pin 3 5 in feedback signal connector If any voltage is not positive voltage fluctuation the fan motor must has problems and need to be replaced 47 9 3 5 Open circuit or short circuit of temperature sensor diagnosis and solution E5 If the sampling voltage is lower than 0 06V or higher than 4 94V the LED will display the failure e Wiring mistake e Sensor faulty Trouble shooting Check the connections between temperature sensor and main PCB No gt Correct the connections Are the connections good Yes y Check the resistance value of the sensor via Replace indoor or table1 p64 and table Ves outdoor main PCB 2 p65 is it normal NO Y Replace the sensor and check if the problem happen again 48 9 3 6 Refrigerant Leakage Detection diagnosis and solution EC Malfunction decision Define the evaporator coil temp T2 of the compressor just starts conditions running as Tcool In the beginning 5 minutes after the compressor starts up if T2 Tcool 2 C Tcool 35 6 F d
54. akage points Fully close the handle Lo valve of the manifold valve and stop the operation of the vacuum pump Confirm that the gauge needle does not move approximately 5 minutes after turning off the vacuum pump 7 Turn the flare nut of the 3 way valves about 45 counterclockwise for 6 or 7Seconds after the gas coming out then tighten the flare nut again Make sure the pressure display in the pressure indicator is a little higher than the atmosphere pressure Then remove the charge hose from the 3 way valve 8 Fully open the 2 way valve and 3 way valve and securely tighten the cap of the 3 way valve 2 Air purging by refrigerant Procedure 1 Confirm that both the 2 way and 3 way valves are set to the closed position 2 Connect the charge set and a charging cylinder to the service port of the 3 way valve 3 Air purging Open the valves on the charging cylinder and the charge set Purge the air by loosening the flare nut on the 2 way valve approximately 45 for 3 seconds then closing it for 1 minute repeat 3 times After purging the air use a torque wrench to tighten the flare nut on the 2 way valve 4 Check the gas leakage Check the flare connections for gas leakage 5 Discharge the refrigerant Close the valve on the charging cylinder and discharge the refrigerant by loosening the flare nut on the 2 way valve approximately 45 until the gauge indicates 0 3Mpa 43 5Psi to 0 5 Mpa 72 5Psi
55. around 310V 9 3 9 High temperature protection of compressor top diagnosis and solution P2 Error Code Malfunction decision If the sampling voltage is not 5V the LED will display the failure conditions Supposed causes e Power supply problems e System leakage or block e PCB faulty Trouble shooting Check if the air flow system of indoor and outdoor units Yes are obstructed No Turn off the power supply and turn it on 10 minutes later Clear up the air inlet and outlet or the heat exchanger of indoor and outdoor units Yes Check if all the connection especially Ungan stari No the connection of OLP Over Load No Correct the connection normally Protector sensor is good Y Yes dn Y Measure the resistance between the two ports of No p Replace the OLP Check if the refrigerant the OLP Is it zero charge volume is normal Yes Replace the outdoor control PCB Yes No Recharge the correct refrigerant volume Y Refrigerant system is blocked such as Capillary or welded point of pipes 55 9 3 10 Inverter compressor drive error diagnosis and solution P4 Error Code Malfunction decision An abnormal inverter compressor drive is detected by a special conditions detection circuit including communication signal detection voltage
56. cause a problem for your neighbors B Use two or more people to lift and transport the product B Donot install the product where it will be exposed to sea wind salt spray directly It may cause corrosion on the product Corrosion particularly on the condenser and evaporator fins could cause product malfunction or inefficient operation Operational B Donotexpose the skin directly to cool air for long time Do not sit in the draft B not use the product for special purposes such as preserving foods works of art etc It is a consumer air conditioner not a precision refrigerant system There is risk of damage or loss of property B Donot block the inlet or outlet of air flow B Use a soft cloth to clean Do not use harsh detergents solvents etc There is risk of fire electric shock or damage to the plastic parts of the product B X Donottouch the metal parts of the product when removing the air filter They are very sharp B Do not step on or put anything on the product outdoor units B Always insert the filter securely Clean the filter every two weeks or more often if necessary A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage B Donot insert hands or other objects through air inlet or outlet while the product 15 operated B Donot drink the water drained from the product B Useafirm stool or ladder when cleaning or maintaining
57. check the gas leakage 6 7 Re installation while the outdoor unit need to be repaired 1 Evacuation for the whole system Procedure 1 Confirm that both the 2 way and 3 way valves are set to the opened position 2 Connect the vacuum pump to 3 way valve s service port 3 Evacuation for approximately one hour Confirm that the compound meter indicates 0 1Mpa 14 5Psi 4 Close the valve Low side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approximately 5 minutes after turning off the vacuum pump 5 Disconnect the charge hose from the vacuum pump 2 Refrigerant charging to check for gas leakage Outdoor unit Procedure 1 Connect the charge hose to the charging cylinder open the 2 way valve and the 3 way valve Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder If the refrigerant is R410A make the cylinder bottom up to ensure liquid charge 2 Purge the air from the charge hose Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air be careful of the liquid refrigerant 3 Put the charging cylinder onto the electronic scale and record the weight 4 Open the valves Low side on the charge set and charge the system with liquid refrigerant If the system cannot be charge with the specified amount of refrigera
58. d open the cover Swing motor 3 Remove the fixing Clip for electronic Evaporator coil screw and open the control box cover temp sensor electrical box cover 4 Pull out the connectors of the swing motor and fan motor 5 Remove the fixing screw and then remove the electronic control box and air outlet ass y Fan motor connector and swing motor Fixing screw 82 How to remove the evaporator 1 After remove the front panel ass y and electrical parts following procedure 1 and procedure 2 remove the pipe holder at the rear side of the unit 3 Evaporator 2 Remove the two screws on the evaporator at the base bearing side 3 Remove two screws on the evaporator at the fixed plates and then lift the evaporator ass y Two screws at the base bearing side Two Screws at the fixed plates 83 4 Fan and motor How to remove the fan and motor 1 After remove the evaporator ass y following procedure 1 procedure 2 and procedure 3 remove the three screws fixing the cover 2 Remove the screw fixing the motor and then pull out the motor Three screws One screw 84 11 2 Outdoor unit gt MOC 09HFN1 MTOW MOC 12HFN1 MTOW No Part name Procedures 1 Panel plate How to remove the panel plate 1 Stop operation of the Screws of top panel air conditioner and turn OFF the power breaker Lo SE i 3 n 2 Refer
59. d catalyst filter lonizer O Silent mode O Plasma O Horizontal amp Vertical Swing Function O Silver Ico Filter O Louver Position Memory Function Vitamin C Filter O Refrigerant Leakage Detect 3M HAM Filter O Self diag Function Bio Filter O Hydrophilic Aluminum Fin Golden Fin O Anti rust Cabinet Self Clean O Valve Protection Cover Follow Me O PTC Heating Belt O 1W Standby Compressor Crankcase Heater O optional function e Cold Catalyst Filter Eliminate formaldehyde and other volatile organic compounds as well as harmful gases and odors lonizer Release negative ions eliminate odor dust smoke and pollen particles to give you fresh and healthy air e Plasma Generate a high voltage electrostatic zone absorb and eliminate dust smoke and pollen particles It also deodorizes air as removing tobacco odours garbage smells etc e Silver lon Filter Sterilize bacteria effectively by decomposing cell wall of bacteria e Vitamin C Filter Release Vitamin C which can eliminate active oxygen to beautify the skin e 3M HAM Filter Open hole structure with charged electrostatic effectively capture dust and particles ensure maximum air flow and minimum pressure drop e Bio Filter O Bio filter consists of a specialized biological enzyme and Eco filter The Eco filter catches very small airborne dust particles and bacteria fungi and microbes Biological enzyme kills bacteria by dissolvin
60. emperature sensor Evaporator 11 201532890153 24 Seal 1 assembly Fixing board of fan 13 201133090167 26 Air freshening filter 1 motor Asynchronous 14 202400300064 motor 203355091532 202720090001 201101020011 1 1 1 1 1 1 201131410703 1 70 MS11M 24HRDN1 MTOW Accessory part i 201100200057 201133090995 No Pat Name BoMCode Panel assembly 1 201133090997 Cross flow fan Air filter 2 201133090992 Chassis assembly Display box 1 203332390972 19 Pipe clamp board 1 201133090989 assembly Display board 3 1 1 201332391249 20 Installation plate 1 201232990002 assembly Cover of indoor Electronic control 4 electronic control 201119900948 21 203333090465 b box assembly OX Electronic control 5 1 Screw cap 4 201119900950 21 2 b 201133190200 OX Main control board 7 Air outlet assembly 1 201133091008 21 3 1 201333090678 assembly Ambient 7 Louver motor 1 202400200070 21 5 temperature sensor assembly Pipe temperature Drain hose 1 201101020038 21 6 1 202301300426 sensor assembly Cover of electronic Pipe nut 1 201600330004 21 7 1 201133190184 control box 71 202430790040 17 Panel frame 5 1 201133090996 21 1 Wire joint 1 202301450119 assembly m 21 1 Fan motor Pipe nut 1 201600330002 1 202401100354 0 capacitor Fix clamp of 10 1 201102000305 23 Remote Controller
61. en the compressor discharge temp is getting higher the running frequency will be limited as below rules Compressor discharge temp 5 gt 115 239 F for 5s compressor stops 108 C 226 F T5 115 C 239 F decrease the frequency to the lower level every minutes 90 C 194 F T5 105 C 221 F keep running at the current frequency 5 90 C 194 F no limit for frequency 8 3 4 Fan speed is out of control When Indoor fan speed keeps too low 300RPM for certain time the unit will stop and the LED will display the failure 8 3 5 Inverter module protection The Inverter module has a protection function about current voltage and temperature If these protections happen the corresponding code will display on indoor unit and the unit will stop working 8 3 6 Indoor fan delayed open function When the unit starts up the louver will be active immediately and the indoor fan will open 10s later If the unit runs in heating mode the indoor fan will be also controlled by anti cold wind function 8 3 7 Compressor preheating functions Preheating permitting condition If T4 outdoor ambient temperature lt 3 C 37 4 F and the machine connects to power supply newly or if T4 lt 3 C 37 4 F and compressor has stopped for over hours the compressor heating cable will Work Preheating mode A weak current flow through the coil of compressor from the wiring terminal of the compressor then the compressor is heated with
62. function again 8 4 5 Drying mode 8 4 5 1 Indoor fan speed is fixed at breeze and can t be changed The louver angle is the same as in cooling mode 8 4 5 2 Compressor running rules T1 Ts 4 2 516 36 518 2 016 35 615 1 5j amp 34 7 R gt 1 016 33 818 0 5 6 32 9 0 0 amp 32 0 R 8 4 5 3 Low indoor room temperature protection In drying mode if room temperature is lower than 10 C 50 F the compressor will stop and not resume until room temperature exceeds 12 C 53 6 F 8 4 5 4 Evaporator anti freezing protection condenser high temperature protection and outdoor unit frequency limit are active and the same as that in cooling mode 8 4 5 5 The outdoor fan operates the same as in cooling mode 8 4 6 Forced operation function 8 4 6 1 Enter forced operation function When the machine is off pressing the touch button will carry the machine to forced auto mode If pressing the button once again within 5 seconds the machine will turn into forced cooling mode In forced auto forced cooling or any other operation mode pressing touch button will turn off the machine 8 4 6 2 In forced operation mode all general protections and remote control are available 8 4 6 3 Operation rules Forced cooling mode The compressor runs at F2 frequency and indoor fan runs as breeze After running for 30 minutes the machine will turn to auto mode as 24 C 75 2 F setting temperature Fo
63. g their cell wall thus eliminating the problem of re pollution e Golden Fin The Golden hydrophilic condenser can improve the heating efficiency by accelerating the defrosting process The unique anticorrosive golden coating on the condenser can withstand the salty air rain and other corrosive elements e Self Clean When this function is activated firstly the indoor unit operates as Fan only mode with low fan speed during this period the condensed water will take some dust on evaporator fins away After that the unit turns to heating operation with low fan speed which dries the inside of indoor unit Finally it turns to fan only mode and blows away the wet air The whole process cleans the internal side of indoor unit and prevents the breeding of bacteria e Follow me With this technology a temperature sensor is built in the remote control when you stay close to the remote control the unit will automatically change the operation mode to supply comfortable temperature just like the air conditioner is following you e Silent mode Indoor fan will run at super breeze speed and indoor unit noise level can be extremly low to 20dB A when the unit enters silent mode operation e Horizontal amp Vertical Swing Function The unit has auto horizontal swing and auto vertical swing function which supplies more even and comfortable air flow e Louver position memory function When starting the unit again after shutting down its louver will resto
64. i to 0 5 Mpa 72 5Psi Disconnect the charge set and tighten the 2 way and valve s stem nuts Use a torque wrench to tighten the 3 way valves service port cap to a torque of 18N m Be sure to check for gas leakage 2 Air purging by the refrigerant Procedure 1 Confirm that both the 2 way and 3 way valves are set to the closed position 2 Connect the charge set and a charging cylinder to the service port of the 3 way valve Leave the valve on the charging cylinder closed 3 Air purging Open the valves on the charging cylinder and the charge set Purge the air by loosening the flare nut on the 2 way valve approximately 45 for 3 seconds then closing it for 1 minute repeat 3 times After purging the air use a torque wrench to tighten the flare nut on the 2 way valve 4 Check the gas leakage Check the flare connections for gas leakage 5 Discharge the refrigerant Close the valve on the charging cylinder and discharge the refrigerant by loosening the flare nut on the 2 way valve approximately 45 until the gauge indicates 0 3Mpa 43 5Psi to 0 5 Mpa 72 5Psi 22 6 Disconnect the charge set and the charging cylinder and set the 2 way and 3 way valves to the open position Be sure to use a hexagonal wrench to operate the valve stems 7 Mount the valve stems nuts and the service port cap Be sure to use a torque wrench to tighten the service port cap to a torque 18N m Be sure to
65. is and solution EO FA Malfunction decision Indoor or outdoor PCB main chip does not receive feedback conditions from EEPROM chip Supposed causes e Installation mistake e PCB faulty Trouble shooting Shut off the power supply and turn it on 5 seconds later Is it still displaying the error code Yes Y If the EEPROM chip is welded on main PCB replace the main PCB directly Otherwise check No Correct the connection whether the EEPROM chip plugged in main PCB well x Yes Replace the main PCB EEPROM a read only memory whose contents can be erased and reprogrammed using a pulsed voltage For the location of EEPROM chip please refer to the below photos Indoor PCB Outdoor PCB 18k model Note The two photos above are only for reference it s may be not same totally with the ones on your side 41 9 3 2 Indoor outdoor unit s communication diagnosis and solution E1 Malfunction decision Indoor unit does not receive the feedback from outdoor unit during conditions 110 seconds and this condition happens four times continuously Supposed causes e Wiring mistake e Indoor or outdoor PCB faulty Trouble shooting Power off then turn on the unit 5 seconds later reconnect the power wire Is the error still displaying after several minutes Yes Y Measure Vs is it moving alternately with positive value Vs is the voltage between
66. ish work of item 1 and item 2 remove the two connectors for the compressor and the compressor crankcase heater 2 Release the three temp sensor connectors Fan motor connector Four screws 3 Remove the connector of reactor 4 Remove the connector of electronic expansion valve 5 Remove the grounding screw 6 Remove the power supply wires L1 L2 S 7 Then remove the electronic control box 4 5 Four way valve Compressor How to remove the four way valve The picture of four way valve may be different from 1 Perform work of the one on your side item1 2 3 2 Recover refrigerant v Four way from the refrigerant circuit JA valve 3 Remove the screw of the coil and then remove the coil 4 Detach the welded parts of four way valve and pipe 5 Then the four way valve ass y can be removed Welded parts How to remove the compressor 1 After perform work of item1 2 3 Discharge 2 Remove the pipe and discharge pipe and suction Ape suction pipe with a burner E E pipe 3 Remove the hex nuts f and washers fixing the compressor on bottom plate 4 Lift the compressor from the base pan assembly Nuts of compressor 96 gt MOG 24HFN1 MTOW No Part name Procedures Panel plate How to remove the panel plate 1 Stop operation of the air conditioner and turn OFF the power breaker 2 Referto the
67. lp ae connect to the terminal m oo Oe B oo 218 5 8 Signol wire Ic3 connect to the terninal ae N IN Q 18 DDD 24VDC Pulse wave betweene CN12 S Tonn cagme Ww y 200 0000 KC i s oe CS c CORE CN8 CN9 rig Z B Connect to the 4 WAY c S I is 8 6 ceno DO cl 0 9 CN10 CNIS B m when 4 way is UN output 208 230VAC Ln us Pis B a N id I 7 c23 C405 gU E R9b CN4 CN7 CNS CN6 Eom D401 connect to heater SER Qa Fo O N WAY __ E hen heater is ON output 208 230VAC 50 5 when heater is outpu A a otek R217 ts O A R215 FAN U ene Mace R41 e0 090 Os Deo T CN400 gg ROD q Oa pens RI 16 connect to outdoor DC FAN 9 D D Nas O i FAN V Ct Qi R40 DeL OVAC standby O 9 PO Ceol og M 8 8 1 D 50 800VAC running caeno _ id FAN g O i 8 SZ oO 0 a F1 N W CN401 CN400 NE 5 DC Fan speed Feedback UE 1 oo a R9 VB3 1 404 d gl W 5V DC pulse wave between 1 5 2 amp 7 5V DC pulse wave between 2 5 95 Ct F A lt x V 5V DC pulse wave be
68. n of defrosting 4 0 32 F When the units are running if the following two items are satisfied the units start defrosting The units run with T3 lt 3 C 37 4 F for 40 minutes and T3 keeps lower than TCDI C for more than 3 minutes The units run with T3 lt 3 C 37 4 F for 80 minutes and T3 keeps lower than TCDI 2 C 35 6 F for more than minutes T4 lt 0 C 32F If the 1 condition and 2 condition items are satisfied then the program judges if T2 has decreased more than 5 C 41 F When T2 has decreased more than 5 C 41 F enter the defrosting mode No matter what value T4 is if the machine runs with T3 lt 3 C 37 4 F for more than 120 minutes and T3 keeps lower than TCDI1 4 C 39 2 F for more than minutes the machine will enter defrosting mode no matter if T2 drops more than 5 C 41 F or not Condition of ending defrosting If any one of the following items is satisfied the defrosting will finish and the machine will turn to normal heating mode T3 rises to be higher than TCDE1 T3 keeps to be higher than TCDE2 C for 80 seconds The machine has run for 10 minutes in defrosting mode Defrosting action For 9k 12k models Frequency F2 FrequencyF8 _ on off Compressor on off 4 way valve on off Outdoor fan on off Indoor fan Indoor fan breeze 10s 10s no longer than 10m __ 305
69. n the indoor PCB receives signal which sent from remote controller every 3 minutes the buzzer will not respond When the unit is running with follow me function the PCB will control the unit according to the temperature from follow me signal and the temperature collection function of room temperature sensor will be shielded but the error detective function of room temperature sensor will be still valid 2 When the follow me function is available the PCB will control the unit according to the room temperature from the remote controller and the setting temperature 3 The PCB will take action to the mode change information from remote controller signal but it will not affected by the setting temperature 4 When the unit is running with follow me function if the PCB doesn t receive any signal from remote controller for 7 minutes or pressing FOLLOW ME button again the follow me function will be turned off automatically and the temperature will control the unit according to the room temperature detected from its own room temperature sensor and setting temperature 8 4 11 Self clean For heat pump models which are provided with this function after running in cooling or drying mode if the user press Self Clean button on remote controller firstly indoor unit runs in fan only mode for a while then low heat operation and finally runs in fan only again This function can keep the inside of indoor unit dry and prevent breeding of m
70. nt or can be charged with a little at a time approximately 150g each time operating the air conditioner in the cooling cycle however one time is not sufficient wait approximately 1 minute and then repeat the procedure 5 When the electronic scale displays the proper weight disconnect the charge hose from the 3 way valve s service port immediately If the system has been charged with liquid refrigerant while operating the air conditioner turn off the air conditioner before disconnecting the hose 6 Mounted the valve stem caps and the service port Use torque wrench to tighten the service port cap to a torque of 18N m Be sure 23 7 Operation Characteristics Temperature Cooling operation Heating operation Drying operation gt 17 G lt 30 G gt 1090 temperature 62 F 86 F 50 F 0 C 50 32 F 122 15 C 50 15 C 30 0 C 50 5 F 122 5 F 86 F 32 F 122 F For the models with Outdoor temperature low temperature cooling system 9AT C ATCP CAUTION 1 If the air conditioner is used beyond the above conditions certain safety protection features may come into operation and cause the unit to operate abnormally 2 he room relative humidity should be less than 8096 If the air conditioner operates beyond this figure the surface of the air conditioner may attract condensation Please set the vertical air flow louver to it
71. ode 5 Open the valves Low side on the charge set and charge the system with liquid refrigerant 6 When the electronic scale displays the proper weight refer to the gauge and the pressure of the low side disconnect the charge hose from the 3 way valve s service port immediately and turn off the air conditioner before disconnecting the hose 7 Mount the valve stem caps and the service port Use torque wrench to tighten the service port cap to a torque of 18N m Be sure to check for gas leakage 6 6 Re installation while the indoor unit need to be repaired 1 Collecting the refrigerant into the outdoor unit Outdoor unit Procedure 1 Confirm that both the 2 way and 3 way valves are set to the opened position Remove the valve stem caps and confirm that the valve stems are in the opened position Be sure to use a hexagonal wrench to operate the valve stems 2 Connect the charge hose with the push pin of handle lo to the 3 way valves gas service port 3 Air purging of the charge hose Open the handle Lo valve of the manifold valve slightly to purge air from the charge hose for 5 seconds and then close it quickly 4 Set the 2 way valve to the close position 5 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 0 1Mpa 14 5Psi 6 Set the 3 way valve to the closed position immediately Do this quickly so that the gauge ends up indicating 0 3Mpa 43 5Ps
72. oes keep continuous 4 seconds and this situation happens 3 times the display area will show EC and AC will turn off Supposed causes e 2 sensor faulty e Indoor PCB faulty e System problems such as leakage or blocking Trouble shooting Shut off the power supply and turn it on 5 seconds later Is it still displaying the error code Yes v Check if T2 sensor is well fixed Correct Yes p the installation or replace T2 sensor Does the problem remain again Is there cool air blowing out from indoor air outlet Yes Y Replace indoor PCB Is there any leakage Especially the connection parts such as the ___ Repair the leakage and recharge the refrigerant gas valve and the liquid valve v Is there any blocking Such as the capillary or the welded points of the pipes Yes Y Clear the blocking 49 9 3 7 IPM malfunction or IGBT over strong current protection diagnosis and solution PO Malfunction decision When the voltage signal that IPM send to compressor drive chip conditions 15 abnormal the display LED will show and AC will turn off Supposed causes Wiring mistake IPM malfunction Outdoor fan ass y faulty Compressor malfunction Outdoor PCB faulty Trouble shooting Check if the wiring between main PCB and compressor connected by Yes e
73. old 8 4 12 Refrigerant Leakage Detection With this new technology the display area will show EC when the outdoor unit detects refrigerant leakage 8 4 13 Louver Position Memory Function When starting the unit again after shutting down its louver will restore to the angle originally set by the user but the precondition is that the angle must be within the allowable range if it exceeds it will memorize the maximum angle of the louver During operation if the power fails or the end user shuts down the unit in the turbo mode the louver will restore to the default angle 8 4 14 8 Heating optional In heating operation the preset temperature of 35 the air conditioner can be as lower as 8 C which keeps the room temperature steady at 8 and prevents household things freezing when the house is unoccupied for a long time in severe cold weather 8 4 15 Silence operation optional Press the silence button on remote controller to initiate SILENCE function When the Silence function is activated the compressor running frequency will keep lower than F2 and the indoor unit will bring faint breeze which will reduce the noise to the lowest level and create a quiet and comfortable room for you 9 Troubleshooting Safety Electricity power is still kept in capacitors even the power supply is shut off Do not forget to discharge the electricity power in capacitor Electrolytic Capacitors HIGH VOL
74. on of the air conditioner and turn OFF the power breaker 2 Referto the right side photos find out the fixing screws of the panels 3 Remove the screws of top panel and remove the top panel Screws of front panel 4 Remove the screws of the front panel including the fixing screws of motor holder and then remove the front panel Screws of top panel Screws of front panel Screw of top panel gt Screws of big handle on right side plate Screws of water connector on right side plate Screw of 5 Remove the screws of l l the top the right side plate and panel remove the right side plate Screws of right rear plate Screw of top panel Screws of front panel Screws of the motor holder 2 Fanassy How to remove the fan Electronic control box Fan ass 1 After remove the panel plate following procedure 1 remove the hex nut fixing the fan and then remove the fan k N e mm Two reactors Compressor and liquid gas separator 2 Remove the one fixing screw Unfix the hooks and then open the electronic control box cover Nut fixing the fan m f A ip 3 Release the fan motor connector and four way valve connector 4 Remove the four fixing screws of the fan motor 5 Then remove the fan motor Electrical parts How to remove the electrical parts 1 After fin
75. out operation Preheating release condition If T4 gt 5 C 41 F or the compressor starts running the preheating function will stop 8 3 8 Zero crossing detection error protection If AC detects time interval is not correct for continuous 240s the unit will stop and the LED will display the failure The correct zero crossing signal time interval should be between 6 13ms 8 3 9 Condenser temperature protection 55 C 131 F lt T3 lt 60 C 140 F the compressor frequency will decrease to the lower level until to F1 and then runs at T3 54 C 129 2 F the compressor will keep running at the current frequency 13 lt 52 C 125 6 F the compressor will not limit the frequency and resume to the former frequency T3 gt 60 G 140 F for 5 seconds the compressor will stop until T3 lt 52 C 125 6 F 8 3 10 Evaporator temperature protection T2 0 C 32 F the compressor will stop and restart when 2 5 C 41 F 0 C 32 F T2 4 C 39 2 F the compressor frequency will be limited and decreased to the lower level 4 C 39 2 F lt T2 lt 7 C 44 6 F the compressor will keep the current frequency 26 2 gt 7 C 44 6 F the compressor frequency will not be limited 27 8 4 Operation Modes and Functions 8 4 1 Fan mode 1 Outdoor fan and compressor stop 2 Temperature setting function is disabled and no setting temperature is displayed 3 Indoor fan can be set to high med low auto 4
76. quid Liquid valve m RS 201600740523 Electronic 12 Front panel 1 201237400392 22 2 expansion valve 1 201601300554 assembly 73 Axial flow fan 201100390002 201400601510 Asynchronous Crankcase electric 14 1 202400300060 24 1 202403100501 motor heater Supporter Discharge assembly of fan 1 201237390026 25 temperature sensor 1 202301310068 motor assembly Partition board 16 1 201237500259 27 Heactor 1 202301000867 assembly 74 MOC 12HFN1 MVOW 7 CARA 7 2 ATE 25000 e Al ry VOS VO VO VOX VO AR ARARARAR TAR ARAL BN 2 em zn No Name ____ BOMCode No Part Name Qty BOM Code Ambient temperature sensor 1 202301300115 17 Left supporter 1 201237400400 assembly 2011374G000 2 Hear net 1 18 Top cover assembly 1 201237900028 Condenser Electronic control 201537690004 19 203337590101 assembly box assembly E temperature BE board 202440500004 20 203337590049 sensor ee BE Valve plate 201237200282 202301400256 Chassis assemoy assembly Chassis assembly 1 201287590091 201237590091 ma 202 Terminal boars board 201287590046 Rear righ
77. r The normal value should be around zero ohm Otherwise the reactor must have malfunction and need to be replaced 9 3 3 Zero crossing detection error diagnosis and solution E2 Error Code Malfunction decision When PCB does not receive zero crossing signal feedback for 4 conditions minutes or the zero crossing signal time interval is abnormal Supposed causes e Connection mistake e PCB faulty Trouble shooting Check if the connections and No Y Correct the connections Turn on the power supply is normal unit when the power supply is good Yes v Indoor main PCB is defective Replace indoor main PCB 44 9 3 4 Fan speed has been out of control diagnosis and solution E3 Malfunction decision When indoor fan speed keeps too low 300RPM for certain time conditions the unit will stop and the LED will display the failure Supposed causes e Wiring mistake Fan ass y faulty Fan motor faulty PCB faulty Trouble shooting shut off the power supply and turn it on 5 seconds The unit operates normally later Is it still displaying the error code Yes Y Find out the cause and have it solved For example check whether the fan is blocked or the bearing Shut off the power supply rotate the fan by hand Does it rotate properly LM Pi P din P dw
78. rced auto mode The action of forced auto mode is the same as normal auto mode with 24 C 75 2 F setting temperature 8 4 7 Timer function 8 4 7 1 Timing range is 24 hours 8 4 7 2 Timer on The machine will turn on automatically when reaching the setting time 8 4 7 3 Timer off The machine will turn off automatically when reaching the setting time 8 4 7 4 Timer on off The machine will turn on automatically when reaching the setting on time and then turn off automatically when reaching the setting off time 8 4 7 5 Timer off on The machine will turn off automatically when reaching the setting off time and then turn on automatically when reaching the setting on time 8 4 7 6 The timer function will not change the AC current operation mode Suppose AC is off now it will not start up firstly after setting the timer off function And when reaching the setting time the timer LED will be off and the AC running mode has not been changed 8 4 7 7 The setting time is relative time 8 4 8 Sleep function mode 8 4 8 1 Operation time in sleep mode is 7 hours After 7 hours the AC quits this mode and turns off 8 4 8 2 Operation process in sleep mode is as follow When cooling the setting temperature rises 1 C 33 8 F be lower than 30 C 86 F every one hour 2 hours later the setting temperature stops rising and indoor fan is fixed as low speed When heating the setting temperature decreases 1 C 33 8 F be higher
79. re to the angle originally set by the user e Refrigerant leakage detect The refrigerant leakage detect function can better prevent the compressor being damaged by refrigerant leakage or compressor overload e Self diag Function Monitoring some abnormal operations or parts failures microcomputer of the air conditioner will switch off and protect the system automatically Meanwhile the error or protection code will be displayed on the indoor 6 unit e PTC heating belt With heating belt fitted on the base plate of the outdoor unit the rain snow defrosted water accumulating on the base plate is avoided e Compressor crankcase heater The oil dissolves easily in refrigerant especially in low temperature condition The crankcase heating belt can heat the bottom of the compressor to avoid pumping out too much oil with the refrigerant which helps to protect the compressor 3 Dimension 3 1 Indoor Unit W D H __ a35mm 198mm 280mm 32 9in 7 8in 11 0in 990mm 218mm 315mm 1186mm 258mm 340mm L R H Dimension of installation hole 140mm
80. rror and if the wires and connectors are broken NO v IPM continuity check Check if the 3 Correct the connection or replace the wires and connectors IPM terminal resistance values are NO uniform Refer to page 64 Yes Check if the outdoor fan runs Replace the IPM board or replace the main PCB if the IPM board and main PCB are integrated together properly or the outdoor unit ventilation is good Yes Y Check if the compressor resistance NO please refer to the solution of fan speed is out of control values are uniform Refer to page 63 Yes Y Replace the outdoor main PCB if the main PCB and IPM are separate 50 Replace the compressor Take the 9k model as example nen 55 a M _ L B 7 Su h pA o1 as A f t oe _ 4 Uy m K P p E FLUKE 17B DIGITAL MULTIMETER _ a a 0 sx P E 3 E stum agg en MEL E E 1 Je DN x Ma I y y yy T n 12223 11111112 1211111 mov 52 i _ Rooke ELIT CIT hs a 4 nf 4 E pata PI oe o
81. rsonal injury B Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open B Take care to ensure that power cable could not be pulled out or damaged during operation There is risk of fire or electric shock B Do not place anything on the power cable There is risk of fire or electric shock B Donot plug or unplug the power supply plug during operation There is risk of fire or electric shock B Do not touch operation the product with wet hands B Do not place a heater or other appliance near the power cable There is risk of fire and electric shock B X Donotallow water to run into electrical parts It may cause fire failure of the product or electric shock B not store or use flammable gas or combustible near the product There is risk of fire or failure of product B Do not use the product in a tightly closed space for a long time Oxygen deficiency could occur B When flammable gas leaks turn off the gas and open a window for ventilation before turn the product on B if strange sounds or smoke comes from product turn the breaker off or disconnect the power supply cable There is risk of electric shock or fire B Stop operation and close the window in storm or hurricane If possible remove the product from the window before the hurricane arrives There is risk of property damage failure of product or electric shock B Do not open the
82. s maximum angle vertically to the floor and set HIGH fan mode 3 he optimum performance will be achieved during this operating temperature zone 24 8 Electronic Function 8 1 Abbreviation T1 Indoor room temperature T2 Coil temperature of evaporator T3 Coil temperature of condenser T4 Outdoor ambient temperature T5 Compressor discharge temperature 8 2 Display function 8 2 1 Icon explanation on indoor display board Signal receiver io o0 BB ION indication lamp optional function This lamp illuminates when Clean Air feature is activated DEFROST indication lamp For cooling amp heating models only Lights up when the air conditioner starts defrosting automatically or when the warm air control feature is activated in heating operation OPERATION indication lamp This lamp illuminates when the air conditioner is in operation TIMER indication lamp Lights up during Timer operation Temperature indicator Displays the temperature settings when the air conditioner is operational Displays the malfunction code 25 8 3 Main Protection 8 3 1 Three minutes delay at restart for compressor 1 minute delay for the 1 time stand up and 3 minutes delay for others 8 3 2 Temperature protection of compressor top The unit will stop working when the compressor top temp protector cut off and will restart after the compressor top temp protector restart 8 3 3 Temperature protection of compressor discharge Wh
83. stallation B Do not use a defective or underrated circuit breaker Use this appliance on a dedicated circuit There is risk of fire or electric shock B For electrical work contact the dealer seller a qualified electrician or an authorized service center Do not disassemble or repair the product there is risk of fire or electric shock B Always ground the product There is risk of fire or electric shock B install the panel and the cover of control box securely There is risk of fire of electric shock B Always install a dedicated circuit and breaker Improper wiring or installation may cause electric shock B Use the correctly rated breaker of fuse There is risk of fire or electric shock B Do not modify or extend the power cable There is risk of fire or electric shock B Do not install remove or reinstall the unit by yourself customer There is risk of fire electric shock explosion or injury B caution when unpacking and installing the product edges could cause injury be especially careful of the case edges and the fins on the condenser and evaporator B For installation always contact the dealer or an authorized service center B Do not install the product on a defective installation stand B Be sure the installation area does not deteriorate with age If the base collapses the air conditioner could fall with it causing property damage product failure and pe
84. t 4 Ways valve clapboard 1 201237590080 21 1 201637591413 assembly Water collector 201137400000 4 Ways valve 201600690010 Liquid valve 10 Air outlet grille 1 201237390105 22 1 201637391145 assembly Clamp of front net 201135110801 Liquid valve 201600740523 Electronic 12 Front panel 1 201237400392 22 2 expansion valve 1 201601300554 assembly Axial fan 201100390002 201400601510 Asynchronous Crankcase electric 14 1 202400300060 24 1 202403100501 motor heater Supporter Discharge assembly of fan 1 201237390026 25 temperature sensor 1 202301310068 motor assembly Partition board 16 1 201237500259 27 Heactor 1 202301000867 assembly 76 MOF 18HFN1 MUOW AARAARAAAARAA dr UA w A S TA VUA o CoN TH Sii ai c 7 7 w E TANT gt 2 I ARR 5 X NALE Cire PR AR RAA A ARR AAR T ed nm AN I __ Name oy _ Ambient Electronic control temperature sensor 1 202301310075 20 1 203337
85. than 17 C 62 6 F every one hour 2 hours later the setting temperature stops rising and indoor fan is fixed as low speed Anti cold wind function has the priority 8 4 8 3 Timer setting is available 8 4 8 4 When user uses timer off function in sleep mode or sleep function in timer off mode if the timing is less than 7 hours sleep function will be cancelled when reaching the setting time If the timing is more than 7 hours the machine will not stop until reaches the setting time in sleep mode 8 4 9 Auto Restart function The indoor unit is equipped with auto restart function which is carried out through an auto restart module In case of a sudden power failure the module memorizes the setting conditions before the power failure The unit will resume the previous operation setting not including swing function automatically after 3 minutes when power returns If the memorization condition is forced cooling mode the unit will run in cooling mode for 30 minutes and turn to auto mode as 24 C 75 2 F setting temp If AC is off before power off and AC is required to start up now the compressor will have 1 minute delay when power on Other conditions the compressor will have 3 minutes delay when restarts 8 4 10 Follow me 1 Ifthe indoor PCB receives the signal which results from pressing the FOLLOW ME button on remote controller the buzzer will emit a sound and this indicates the follow me function is initiated But whe
86. to the right side 085 photos find out the fixing screws of the panels OM Screws of front panel i E Screw of top panel 3 Remove the screws of pu x Screws of top panel and remove the zu top panel Screws of big handle front panel i n on right BE side plate water connector on right side Screw of right side plate plate 4 Remove the screws of the front panel including the fixing screws of motor holder and then remove the front panel 5 Remove the screws of the right side plate and remove the right side plate Screw of top panel Screws of the motor holder Screw of Screws of front panel 2 Fan 55 How to remove the fan Electronic control box ass y Fan ass y 1 After remove the panel plate following procedure 1 remove the hex nut fixing the fan and then remove the fan Reactor Compressor and liquid gas separator Nut fixing the fan 2 Unfix the hooks and then open the electronic control box cover Electrical parts Fan motor connector 3 Disconnect the connector for fan motor from the electronic control board 4 Remove the four fixing screws of the fan motor 5 Then remove the fan motor How to remove the electrical parts 1 After finish work of item 1 and item 2 remove the three connectors for the compressor and electrical heaters 2 Release the connector of the reactor
87. ts and the pipes between indoor and outdoor units must be leak tested and evacuated to remove gas and moisture from the system Gas leak check Soap water method Apply soap water or a liquid neutral detergent on the indoor unit connections or outdoor unit connections by a soft brush to check for leakage of the connecting points of the piping If bubbles come out the pipes have leakage 1 Air purging with vacuum pump Indoor unit AN Liquid side 17 Anc 0 k el A 0 U 0 f side Three way Manifold valve a pse Compound En ves ass e Pressure 17 5 502 x Handle 16 g Charge hose em UE pump F Vacuum pump 1 Completely tighten the flare nuts of the indoor and outdoor units confirm that both the 2 way and 3 way valves are set to the closed position 2 Connect the charge hose with the push pin of handle lo to the 3 way valves gas service port 3 Connect the charge hose of handle hi connection to the vacuum pump 4 Fully open the handle Lo of the manifold valve Outdoor unit Handle Hi Charge hose 20 5 Operate the vacuum pump to evacuate 6 Make evacuation for 30 minutes and check whether the compound meter indicates 0 1Mpa 14 5Psi If the meter does not indicate 0 1Mpa 14 5Psi after pumping 30 minutes it should be pumped 20 minutes more If the pressure can t achieve 0 1Mpa 14 5Psi after pumping 50 minutes please check if there are some le
88. tween C3 Cc5 Dorao 5 48 _ M 45V DC 4 5 4 Hee atn m De 27 B vm 20 C404 00 O00403 om n 3 ago TM g pei LJ e J R407 z0 8 amp E201 6 150 6 m CN100 12V DC6 vey D403 mot 9 V Mies a 8 PD Cs sm wall n KAN Electric Exponsion Volve 12V DCS ED ae ceos L H EA 20 8 oor g 1 10 8 M 12V DC pulse wave between 4 GND 4 12100 4076408 403 5 ae 9 203 Ww 8 12V DC pulse wave between 3 GND 3 ag P P 7 a AW Us 12V DC pulse wave between 2 GND e 8 o E n N as oe F 5 eom ti Hev UE pulse waye between i 9j MS a gm m Hu 12V RIS Rig R330 2331 A R341 CN102 8 5 90 ICIN m N Y R203 R104 L1 CRDI 5 OR Celso C313 c3348 DD 58 Exoust temp sensor s o UU A e ag CS 50 B 80 0101314 C333 U RT sH Lic We Pues o0 oo 98 4 s das REE Ris 58 EA 1Ceot 5 gu LA osa E Z 3V av B 300 B H Da E ool 1 20 zt rae CN103 em coe on 009 58 Oo room temp sensor RT E 8 S Sak 104 Cal 8 R308 cogo ga gg Ill RIS g 8 Gon im E DD IPM300 n O Hmo o os E pipe temp sensor RT 2 amp n 5 qnos

Oasis MONO Split 3D DC Inverter Air Conditioner SERVICE

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