FAIRWIND ON-OFF SERIES
Contents
1. COOLING COMPRESSOR HEATING T3 temp sensor is only for 24 and 28k 5 Wiring Diagram 5 1 Indoor Unit MS12F 07HRN1 QC2 MS12F 09HRN1 QC2 MS12F 12HRN1 QC2 MS12F 18HRN1 QC2 BROWN OR BLACK VERTICAL MOTOR AE NE L U Y G OR GREEN INDOOR MTOR T S pns EG POWER SUPPLY Ol B AET IPSE mu EN N12 CN4 CN12 CN2 CN3 CURRENT DETECT PRESSOR RELA CN9 ELEN CN6 CON 4 O O CN13 1 CN13 2 L J C y OPTIONAL M XN neam 1200 3 4 mis AIR CONDITIONER m 4 65 e x UNIT RN lm TO OUTDOOR UNI NOTE 1 The wiring diagram is for explanation purpose only The actual shape of the components may be different 2 Symbol 1 indicates optional components 3 The Color Of cable is different according to the Standards Standards BROWN BIUE Y G UL Standards BLACK WHITE GREEN MS12F 24HRN1 QB8W SWING MOTOR FAN CAPACITOR BOARD 2143 CN10 CN6 e LTN E NS L ANa i RED s L 1 BLUE NMO qw TO CN TIN GN CN2 a 1 2 2 1234 5678 3 2 II ey AS LU OUL T2 pipe T1 room BSI TRANSFORMER I 2 0 S GO WAY TERMINAL DI2. Yes Check de wires of fan motor Are all the connections good d Check T the fan motor is normal through index 1 1 gt The unit operates normally Find out the cause and have it solved For example check No whether the fan is blocked or the bearing is broken No gt Correct the connections If the No Check whether the main PCB is normal through index 2 Replace the fan malfunction is still existing moll replace the A main PCB No x No Replace the main PCB The malfunction is solved Yes Index 1 1 Indoor AC Fan Motor Measure the resistance value of each winding by using the tester R d BN Input Terminal E Red 1 Black 2 5 White 3 o For the resistance value of the motor please contact the technical engineer Index2 1 Indoor AC Fan Motor Power on and set the unit running in fan mode at high fan speed After running for 15 seconds measure the voltage of pin1 and pin2 If the value of the voltage is less than 100V 208 240V power supply or 50V 115V power supply the PCB must has problems and need to be replaced Red Input Terminal pe Red 1 lt Black 2 x White 3 VV VN Black 9 2 4 Open circuit or short
3. Y Check all the wirings between indoor and outdoor indoor main PCB and outdoor main PCB following the wiring diagram Are all the wirings connected correctly Yes Y Measure Vs is it moving alternately between positive value and negative No Vs is the voltage between S and N of outdoor unit Yes Y Y Is the wiring to the outdoor main Is the wiring to the indoor main PCB connected correctly PCB connected correctly Yes Yes Y Change the outdoor main PCB Change the indoor main PCB Power on Is the error extinguished Power on Is the error extinguished NO NO Y Y Change the indoor main PCB Change the outdoor main PCB Main parts check 1 Temperature sensor checking Disconnect the temperature sensor from PCB measure the resistance value with a tester Tester Temperature Sensors Room temp T1 sensor Indoor coil temp T2 sensor Outdoor coil temp T3 sensor Outdoor ambient temp T4 sensor Compressor discharge temp T5 sensor Measure the resistance value of each winding by using the multi meter Table1 Some frequently used R T data for T1 T2 T3 and T4 sensor Temperate Js wm 5 m s w e s jo Resistance vave 260 207 roa 2s 10 sz as 24 Table2 Some frequently used R T data for T5 sensor 0 s 4 s s
4. y y welig Weling Indoor fan motor aNumberofrows Joo o 1 2 Indoorcoil d Fintype code Hydrophilicaluminium Hydrophilic aluminium g Number ofcircuits 3 3 S Indoor unit Moll 9 YDK366 YDK4 amp 6HA Brand y Welling 110 2 5 900 890 aNumberofrows 1 J 2 d Fintype code Hydrophilic aluminium Hydrophilic aluminium gNumberofcrcuits 8 Outdoor noise level s 5 6o Outdoor unit Refrigerant type x 8 RAA 80g RAOM1150g 06 35 012 7 1 4 1 2 06 35 012 7 1 4 1 2 Refrigerant piping Max refrigerant pipe length m 2 25 Max difference in level 8 Themosatgpe Te Rem a Operation temperature Room MDSF 24HRN1 MDSF 24HRN1 MDOF 24HN1 220 240V 50Hz 1Ph 24000 2330 10 8 3 02 25000 2140 Outdoor Ph V Hz Btu h Power supply apacity nput Rated current apacity Heatin Rated current O ga Q 5 o m TU 2 et Moisture Removal Max input consumption Max current L h 4000 20 0 tarting current PA270G2CS 4MU1 ROTARY GMCC 23287 23458 2235 2385 10 55 11 15 Type Brand apacity nput Rated current RLA Locked rotor Amp LRA Thermal protector Thermal protector position apacitor Refrigerant oil oil charge ml ESTER OIL VG74 850 CC Model RPG
5. FAIRWIND ON OFF SERIES Service Manual 2014 12FSEU A 1405 a a 4 S ul a 4 Mam E j mu i SENE ta it i x mec 4 etr i 1 _ mad ILI LUE aug CONTENTS PRO CAUTION Ensenada P 3 Sate MP 3 ANSI MUN O ce mS 3 AM FUNC UOM cect 7 Cm DIMENSION RT 9 Sw GOOR UM nennen S 9 32 Outdeor p n 14 A Retngerant Cycle een 16 5 Wiring a E 18 sinere a e TU 18 5 2 rR eee ee 28 O I siallalioi DelallSu uuu t 40 6 1 Wrench torque sheet for installation 40 62 Connecting ME cables uuu Kd MR HM 40 6 3 Pipe length and the elevation 41 6 4 Installation Tor the TIESETIITIG u uy u m 2 uu m ama abies 44 6 5 Adding the refrigerant after running the system for many years 48 6 6 Re installation while the indoor unit need to be repaired 49 6 7 Re installation wh
6. continually the AC will run as below sequence Forced auto Forced cooling Off Forced cooling mode The compressor and outdoor fan keep running and the indoor fan runs at low speed After running for 30 minutes AC will turn to auto mode with 24 C setting temperature Forced auto mode The action of forced auto mode is the same as normal auto mode with 24 C setting temperature e When AC receives signals such as switch on switch off timer on timer off mode setting fan speed setting sleeping mode setting follow me setting it will quit the forced operation e forced operation function can not be memorized if power off 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
7. e m jo w ay wis sse ms ar 37 Resistance value KQ 0 5 10 15 20 25 30 35 40 45 50
8. 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 gt 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 cause a problem for your neighbors B Use two or more people to lift and transport the product B Do not 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 gt Operational B Do not expose the skin directly to cool air for long time Do not sit in the draft B Do 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
9. the AC running mode has not been changed 8 4 7 7 The setting time is relative time 8 4 7 8 The AC will quit the timer function when it has malfunction 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 be lower than 30 C 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 be higher than 17 C 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 memoriz
10. 1Ph 7500 9000 685 820 Cooling Heating ERO ELE MostreRemow _ les Max curent AS 60 Mode ASN8VIUDZ PA103M1C4DZDE2 _ Type TARY 2 ROTARY e Brande Compressor Thermal protector 86045246 Thermal protector position EXTERNAL EXTERNAL Mode 2 Brand 1 Indoor fan motor a Numberofrows 1 2 1 2 Indoorcoil dFintype code Hydrophilic aluminium Hydrophilic aluminium gNumberofcuts PP Mode o YDA Brands Welling Outdoor fan cn 2 5 800 815 aNumberofrows Outdoorcoil d Fin type code Hydrophilic aluminium Hydrophilic aluminium g Number of circuits Outdoor unit Refrigerant type 10 5206 R410A 50g 06 35 09 52 1 4 3 8 6 35 9 52 1 4 3 8 Refrigerant piping Max refrigerant pipe length m 2 20 differenceinlevel m 8 Themosatgpe remo Remote Conto Room temperature MDS DHRNM MDSFA8HRNI x dor MDSFD2HRNM MDSFA8HRNI e Cooling EE Heating A 89 RO Model PAli30GiC4FL PA200M2CS4KU2 Type ROTARY ROTARY Brand GMC Compressor Thermal protector Thermal protector position f INTERNAL INTERNAL Model RPGE RPG8D Brand CE
11. 7HRN1 QC2 MS12F 09HRN1 QC2 MS12F 12HRN1 QC2 MS12F 18HRN1 QC2 MS12F 24HRN1 QB8W Ln o l L mm R mm Dimension of installation hole mm il 100 95 45 110 100 45 Z 65 3 2 Outdoor Unit More than 30cm More than 60cm Service space ES 7 T s 7 KG P 85 A i s gt A k 7 m lt 2 N ES ris N 777 i Sf lt BNS ffA SK 7 74 N A A CLA EM M b N P RON 2 S lt ES Bw _ i d More than 60cm 4 11 More than 200cm s s Air inlet Air inlet WOROTHNKQG2 700 MoxsoNLQc moo ao so 45 20 MOB 2HNiQc2 780 so 59 Z6 _ 4 Refrigerant Cycle Diagram For heat pump models INDOOR OUTDOOR 4 CHECK VALVE LIQUID SIDE Heating Model only d N j N _ gt W 2 WAY VALVE gt CAPILIARY TUBE HEAT HEAT EXCHANGE EXCHANGE EVAPORATOR CONDENSER T1 Room temp sensor T2 Evaporator temp sensor me BN dit P GAS SIDE 4 DM v NA NA 2 7 24 VALVE 3 WAY VALVE ACCUMULATOR
12. ASC 2 Brand Welling Indoor fan motor Btu h INTERNAL m u S e D aNumberofrows PP Indoorcoil d Fin type code Hydrophilicaluminium _ gNumberofcrcuits PS Indoor unit Model KCC Brand Welling aNumberofrows o 2 Outdoor coil d Fintype code Hydrophilicaluminium g Number of drauits OO Dimension W D H mm 845x320x700 Outdoor unit Refrigerant type R410A 1690g 09 52 015 9 3 8 5 8 Refrigerant piping refrigerant pipe length 25 Remote Control Operation temperature 17 30 Room Indoor cooling heating 17 32 0 30 temperature Outdoor cooling heating 18 43 7 24 Thermostat type 3 Dimension 3 1 Indoor Unit Model MS12F 0
13. SPLAY BOARD INDOOR UNIT TO OUTDOOR UNIT NOTE 1 wiring diagram is for explanation purpose only The actual shape of the components may be different 2 Symbol 1 indicates optional components 3 The Color Of cable is different according to the Standards IEC Standards BROWN BIUE Y G UL Standards BLACK WHITE GREEN 5 2 Outdoor Unit MOA 07HN1 QC2 MOA3 09HN1 QC2 MOB 12HN1 QC2 TO INDOOR UNIT RED V OVERLOAD PROTECTION BLACK MOC2 18HN1 QC2 TO INDOOR UNIT XXE OVERLOAD RED BLUE BLUE COMPRESSOR MOF 24HN1 QB8W FAN pen _ Wr VALVE 271 orp wane e zen v CL BLACK L1 2 N BLAGE PTCR S C WHITE I S CAPACITOR jen lt UN BLACK Tog Symbol 1 3 and 4 indicates Te elementis qp onal shape shall be prevail COMPRESSOR CAPACITOR WIRING DIAGRAM OUTDOOR UNIT E m Syrnbal 2 indicates npea ana or eternal cane m Ls FAN CAPACITOR 6 Installation Details 6 1 Wrench torque sheet for installation Outside diameter Additional tightening torque 6 35 1500 153kgf cm 1600 163kgf cm 6 2 Connecting the cables The power cord of connect should be selected according to the following specifications sh
14. abnormally 2 The room relative humidity should be less than 80 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 its maximum angle vertically to the floor and set HIGH fan mode 3 The optimum performance will be achieved during this operating temperature zone 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 3 Main Protection 8 3 1 Time Delay at restart for compressor 8 3 2 Sensor protection at open circuit and breaking disconnection 8 3 3 Zero crossing detection error protection If AC can not detect zero crossing signal for 4 minutes or the zero crossing signal time interval is not correct 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 4 Fan Speed is out of control When Indoor Fan Speed is too low lower than 300RPM lasting 2 minutes the unit stops and LED displays failure information and can t returns to normal operation automatically 8 3 5 Current protection 4 IRESTORE Resume 1 A zone The current exceeds lssgc for 5 seconds the compressor and outdoor fan will shut off B zone The current
15. ation condition is forced cooling mode the unit will run in cooling mode for 30 minutes and turn to auto mode as 24 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 Refrigerant Leakage Detection With this new technology the display area will show EC when the outdoor unit detects refrigerant leakage 8 4 11 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 12 8 C Heating optional In heating operation the preset temperature of 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 9 Troubleshooting 9 1 Indoor Unit Error Display Operation lamp Display LED STATUS Zero crossing signal detection error except y lt 2 times 3 mes 3 times eN Indoor fan speed has been out of control Indoor room temperature sensor T1 open circuit or xx 5 tim
16. circuit of temperature sensors diagnosis and solution Check the connections between temperature sensor and main PCB No Correct the connections v Are the connections good Yes Y Check the resistance value x Replace indoor or outdoor main of the sensor table Yes gt a PCB and table 2 is it normal x No Replace the sensor and check if the problem happen again 9 2 5 Refrigerant Leakage Detection diagnosis and solution Shut off the power supply and turn it on 5 seconds later Is it still displaying the error code Yes Y Check if T2 sensor is well Is there cool air blowing fixed Correct the installation U Yes p out from indoor air outlet or replace T2 sensor Does the problem remain again No x Yes Y Y Is there any leakage Especially Replace indoor PCB the connection parts such as the gas valve and the liquid valve Yes Repair the leakage and O recharge the refrigerant Y Is there any blocking Such as the capillary or the welded points of the pipes Yes Y Clear the blocking 9 2 6 Indoor outdoor units communication error diagnosis and solution Power off then turn on the unit 5 seconds later reconnect the power wire ls the error still displaying after several minutes Yes
17. e and electric shock B Do not allow water to run into electrical parts It may cause fire failure of the product or electric shock B Do 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 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 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
18. ed changes including anti cold wind function AC will detect AT after two minutes 1 1 AC meets A1 or A2 A1 The cumulative compressor running time is between 45 120 minutes Meanwhile the value of AT meets the below table am NENNEN Medium speed A2 The cumulative compressor running time is over 120 minutes Meanwhile the value of AT meets the below table x 1 2 If the fan speed and the evaporator coil temp T2 meet the below issues High speed 1 3 After the compressor keeps running 8 minutes max 26 C AT T2 T1 1 4 After the compressor keeps running 8 minutes if 5 C T1 45 C and 5 C T2 45 C AC will detect the AT Mark the time of AT dropped 1 5 degree as t When 1min t FALLO8CTM this condition is satisfied FALLOSCTM is controlled by EEPROM chip About the setting defrosting time runtime minute Defrosting time minute Runtime 45 45 runtimes60 90 runtimes120 60 runtimes90 2 AC will enter the defrosting mode if all of the following items are satisfied 2 1 The compressor cumulative running time is over 45 minutes 2 2 The compressor continuous running time is over 8 minutes 2 3 The indoor fan is off In this case the defrosting time is ten minutes 3 AC will enter the defrosting mode if all of the following items are satisfied 3 1 After AC runs in heating mode there is no defrosting before 3 2 The cumulative compressor runnin
19. eet Rated current of appliance Nominal cross sectional area mm gt 3 and lt 6 0 75 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 6 3 Pipe length and the elevation The pipe length and refrigerant amount Pipe size Standard Max Additional length Elevation refrigerant Gas m B m g m 3 8 1 4 MS12F 07HRN1 QC2 MOA 07HN1 QC2 8 9 52 6 35 MS12F 09HRN1 QC2 MOA3 09HN 1 QC2 AFAR 8 09 52 06 35 MS12F 12HRN1 QC2 MOB 12HN1 QC2 8 20 ET D 12 7 6 35 MS12F 24HRN1 QB8W MOF 24HN1 QB8W 015 9 09 52 Indoor unit Indoor unit Oil trap Outdoor unit Outdoor unit Caution The capacity test is based on the standard length and the maximum permissive length is based on the system reliability The oil trap should be installed per 5 meters 7 Operation Characteristics ida Cooling operation Heating operation Drying operation Temperature TOC 32707 Room temperature IT C 32C 0 30 00 320 18 C 43 C 18 C 43 C 25 C 43 C For the models with low temperature Outdoor temperature cooling system 7 24 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
20. es short circuit Evaporator coil temperature sensor T2 open circuit or yx 6 times X E6 OM short circuit Condenser coil temperature sensor T3 open circuit or short circuit only for 24 28k x 7 times X E7 only tems Indoor outdoor units communication error only for 24 28k xx 9 times X E9 O light X off x flash 9 2 Diagnosis and Solution 9 2 1 EEPROM parameter error diagnosis and solution 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 gt Correct the connection whether the EEPROM chip plugged in main PCB well Yes Y Replace the indoor main PCB EEPROM a read only memory whose contents can be erased and reprogrammed using a pulsed voltage 9 2 2 Zero crossing detection error diagnosis and solution Check if the connections and No power supply is normal Yes v Indoor main PCB is defective Replace indoor main PCB Correct the connections Turn on the unit when the power supply is good 9 2 3 Indoor fan speed has been out of control diagnosis and solution Shut off the power supply and turn it on 5 seconds later Is it still displaying the error code ve Shut off power supply rotate the fan by hand Does it rotate properly
21. exceeds Isi 5 minutes the compressor and outdoor fan will shut off C zone The current exceeds Iran the outdoor fan will shut off if AC is in heating mode If AC is in cooling mode the indoor fan will run at low speed 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 The louver operates the same as in cooling mode 5 Auto fan 4 High Medium 2 25 Y Low 8 4 2 Cooling Mode 8 4 2 1 Compressor running rules Once the compressor starts up it will run 5 5 minutes And then it will follow the below rules When indoor room temp T1 is lower than Tn the compressor and outdoor fan will shut off When T1 is higher than Tm the compressor and outdoor fan will start up T1 Tm Tn Tm Ts Tn Ts 2 8 4 2 2 Outdoor fan running rules The On off outdoor units have single fan speed The outdoor fan will run following the compressor except when AC is in evaporator high temp protection in heating mode condenser high temp protection in cooling mode defrosting mode and the current protection 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 and auto The auto fan Room temp Setting temp 8 4 2 4 Low evaporator coil tempera
22. g or installation may cause fore or 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 Sharp 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 personal 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 Do not 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 fir
23. g time is over 45 minutes 3 3 The 1 1 and 1 2 are satisfied if AC is in high Medium Low speed Or the fan speed is breeze In this case the defrosting time is ten minutes a Condition of ending defrosting If any one of the following items is satisfied the defrosting will terminate and the machine will turn to normal heating mode 1 The defrosting time is reached to the setting value 2 The defrosting has been running for 3 minutes and 2 gt 2 3 The defrosting has been running for 2 minutes check the value of T2 If T2 T2minz2 C during 4 minutes the defrosting will terminate 4 The compressor current has reached to Iperrost or above lasting 7 seconds Iperrost differs in different models e Defrosting action on Compressor off on 4 way valve off on Outdoor fan off Indoor fan 2d off Indoor fan breeze 10s re DF 5 _ DFS DF F8 DF Setting defrosting time For 24k e Condition of defrosting AC will enter defrosting mode if any of the following items is satisfied 1 If T3 lt TC1 and the compressor keeps running over 45 minutes Meanwhile T3 lt TC3 for 3minutes 2 After the last defrosting the time that the outdoor fan is off but the compressor is on in high T2 protection cumulates up to 90 minutes e Condition of ending defrosting If any one of the following items is satisfied the defrosting wi
24. ile the outdoor unit need to be 51 Ty Operation CharacteriSCS eR 54 Beet pc 55 ADBDFEVIALON inte ee 55 8 2 Display PRO 55 VOLS CU ON 56 8 4 Operation Modes and Functions 57 9 TrOUBIEShOOUNG oet 73 OA Iserere teen eb ee needed 73 9 2 DIAGNOSIS ANG SolBlioliu u u dede edelen eeeh ene 74 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 Installation 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 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 wirin
25. ll terminate and the machine will turn to normal heating mode 1 T3 rises to be higher than TC2 2 The machine has run for 10 minutes in defrosting e Defrosting action DT1 4 pF 4 way valve Outdoor fan Indoor fan 21 pF g 8 4 3 5 High evaporator coil temp T2 protection Compressor off Outdoor fan off TEST TES Compressor and outdoorfan on 8 4 4 Auto mode This mode can be chosen with remote controller and the setting temperature can be changed between 17 30 C In auto mode the machine will choose cooling heating or fan only mode according to AT AT T1 Ts NE AT 3C Heating For cooling only models they will run at fan speed AC will run in auto mode in the below cases 1 Pressing the forced auto button 2 If AC is off it will run in auto mode when the timer on function is active 3 After setting the mode AC will run in auto mode if the compressor keeps not running for 20 minutes 8 4 5 Drying mode 8 4 5 1 The compressor is cycled running with 10 minutes on and then 5 minutes off The indoor fan will keep running at low speed 8 4 5 2 In drying mode if room temperature is lower than 10 C the compressor will stop and not resume until room temperature exceeds 13 8 4 5 3 The evaporator anti freezing protection is the same as that in cooling mode 8 4 6 Forced operation function Press the touch button
26. of property B Do not block the inlet or outlet of air flow B Usea 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 Do not touch metal parts of the product when removing the air filter They are very sharp 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 Do not insert hands or other objects through air inlet or outlet while the product is operated B Do not drink the water drained from the product B Use a firm stool or ladder when cleaning or maintaining the product Be careful and avoid personal injury B X 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 Do 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 3 Function MDSF O9HRN1 MDSF O9HRN1 MDSF 07HRN1 MDSF 07HRN1 Outdoor MDOF 07HN1 MDOF 09HN1 220 240V 50Hz 1Ph 220 240V 50Hz
27. ture T2 protection T2 TE6 TES Off Y When the evaporator coil temp T2 keeps lower than TE5 for 5 minutes the compressor and outdoor fan will shut off When T2 is higher than TE6 the compressor and outdoor fan will restart up 8 4 3 Heating Mode 8 4 3 1 Compressor running rules Once the compressor starts up it will run 7 minutes And then it will follow the below rules When indoor room temp T1 is higher than Tj the compressor and outdoor fan will shut off When T1 is lower than Tk the compressor and outdoor fan will start up Tj Tk While Tj Is TB Tk Ts TB 2 8 4 3 2 Outdoor fan running rules The outdoor units have single fan speed The outdoor fan will run following the compressor except when AC is in evaporator high temp protection in heating mode condenser high temp protection in cooling mode defrosting mode and the current protection 8 4 3 3 Indoor fan running rules Auto fan action T1 TS 2 0 0 0 medium When T1 Ts gt 2 C the indoor fan will run at low speed When T1 TssO C the indoor fan will run at medium speed 8 4 3 4 Defrosting mode For 7 9 12 and 18k e Condition of defrosting 1 AC will enter the defrosting mode if all of the following items 1 1 1 2 1 3 or 1 1 1 2 1 4 are satisfied AT AT if the indoor fan low speed AT AT 3 if the indoor fan medium speed AT AT 5 if the indoor fan high speed AT max is the maximum value of When fan spe
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