SERVICE MANUAL
Contents
1. 15 7 7 Balance refrigerant of the 2 way 3 way valves 16 FB EVACUATION arterie ee ect hee Es es adr ideeen s hunta dineren de eenden aarden 17 7 9 it A anneke 18 8 Operation Characteristics is srt Ai 19 8 1 5 1 nee deed 19 8 2 56 12 1 6 u do 20 8 3 9 1 2 22 41 01 20 0 2000000000000000000000000000000 21 8 4 MSH 12HRDN1 QC6 E nennen Shu ne 22 9 Electronic fun HON u l iii 23 9 1 ole NLET 23 9 2 Display TUNCHON x ens teer A 23 9 3 Protection uuu sasi eeens nere eneen aia 24 9 4 Mode u upa p hu aaa 24 9 5 ON 25 9 6 DIVING MOE L 27 9 7 2525 artnr O 27 9 8 Auto mode TUNA eeen E way u ae 31 9 9 Forced operation UNC hua 31 9 10 Acti n of 4 Way Valves dsni Iza 32 911 Two speeds outdoor fan TUNCHON os u uuu de ineens 32 9 12 Timer UNC ant eert A eel rheden deken EE nine ee 32 9 13 Sleep Tuncthon MOS taerae u NS aG RAO YS E 32 9 14 Electronic Control paramst r2. la Ee aL pelo Breeze rpm 700 700 fY03F IQI T Running Frequency HZ 32 31 212 _ 2 Running Frequency HZ 32 40 43 F3 Running Frequency HZ 35 48 14 F4 Running Frequency HZ 38 53 Running Frequency HZ i _ I 41 59 44 64 55 72 18 F8 Running Frequency HZ 62 76 19 F9 Running Frequency HZ 72 o 79 20 F10 Running Frequency HZ 76 82 221 COOL Current of Releasing Freq Limit in 4 5 52 a a Protection Curtentot res sh 25 64 2 13cooL Protection Current of Stopping in Cooling A 6 5 7 5 I2HEAT 6 4 6 4 oen 27 TCDI 29 RACFAN Fan Speed in Cooling Capacity Test rpm 1300 1250 A EEE RAHFAN _ 2 53 53 mANGLSTART _33 ANGLOFF ClosimgAngie 000 wo o __34 ANGLHEATMAX Max Angle in Heating f _35 ANGLHEAT _ Standard Angle in Heating 9 36 unning Frequency HZ 17 17 51 51 Standard Angle Drying Not Available 0 0 ANGLCOOLMAX 180 180 176 176 ANGLCOOL 16 ANGLCOOLMIN Min Angle in Cooling 155 155 AL ARAS Parameter verifying a 42 TCDE2 Exiting Temp of Defrosting C 8 8 43 SUPSLOWFAN Super Breeze Speed rmp 600 600 Parameter ___ FANCSHIGH FANHSHIGH FANCHIG _ FANMID FANLOW FANSLOW 12 F2 F4 F5 16 F6 A ea 18 F8 aa
3. 2 250 2441 2 38 2 321 072 070 3 oss E 0 66 2 064 a 2 062 8 060 Outdoor Ambient Temperature C Remark Indoor room temperature 27 19 C Indoor fan speed High Pipe length 5m Heating Characteristics 3 1 5 32 i Z 29 z 8 28 Beddard lt 5 26 8 25 ed 2 4 1 05 0 95 2 0 85 0 75 0 65 a 055 8 0 45 7 5 3 A 1 3 5 7 9 11 Outdoor Ambient Remark Indoor room temperature 20 C Indoor fan speed High Pipe length 5m Piping Lenth Characteristics Cooling Cooling Capacity KW Cooling Power Input KW 5 6 7 8 9 10 11 12 13 14 15 Piping Length m Remark Indoor room temperature 27 19 C Outdoor temperature 35 C Indoor fan speed High Piping Lenth Characteristics Heating gt fa 6 8 A gt oO Kord sa uya 28 aat 0 68 if 0 67 il Z 0 66 0 65 064 il a g 0 63 8 8 0 62 5 6 7 8 9 10 11 12 13 14 15 Piping Length m Remark Indoor room temperature 20 C Outdoor temperature 7 6 C Indoor fan speed High 21 8 4 MSH 12HRDN1 QC6 E Cooling Characteristics Cooling Capacity KW Cooling Power Input KW Cooling Capacity KW Cooling Power Input KW 37 3 6 3 5 3 4 3 3 3 2 3 1 3 0 1 08
4. setting Temp AT 9 5 9 Condenser high temperature protection function in cooling and drying mode 1 If T3 condenser pipe temperature satisfies 55 lt T3 lt 60 frequency of compressor will be limited immediately it will descend one grade every 3 minutes till F1 and then run at this grade If 52 lt T3 lt 54 C the frequency will not descend and stay at current grade 2 If T3 lt 52 C frequency limit will be released and resume to previous grade 3 IfT3 gt 60C for 5 seconds compressor will stop immediately and the machine will not resume until T3 lt 52 C 9 6 Drying mode 9 6 1 In this mode for the action of 4 way valve please refer the passage 9 10 9 6 2 Indoor fan speed is fixed at breeze grade can t be changed The horizontal angle is the same as in cooling mode 9 6 3 Compressor action rule Room temp Setting Temp AT 9 6 4 Room overlow temperature protection In drying mode if room temperature is lower than 10 compressor will stop and not resume until room temperature climbs up to 12 C 9 6 5 Evaporator anti freezing protection condenser high temperature protection and outdoor unit frequency limit valid and they are the same as that in cooling mode 9 6 6 Horizontal louver action is the same as that in cooling mode 9 7 Heating mode 9 7 1 In this mode for the action of 4 way valve please refer the passage 9 10 9 7 2 For outdoor fan action please refer to the passage 9 11
5. 1 04 1 00 0 96 0 92 0 88 0 84 24 26 28 30 32 35 37 3 Outdoor Ambient Temperature C Remark Indoor room temperature 27 19 C Indoor fan speed High Pipe length 5m Heating Characteristics 7 5 3 A 1 3 5 7 Outdoor Ambient Temperature C 41 9 11 Remark Indoor room temperature 20 C Indoor fan speed High Pipe length 5m Cooling Capacity KW Cooling Power Input KW Cooling Capacity KW Cooling Power Input KW Piping Lenth Characteristics Cooling 5 6 7 8 9 10 11 12 13 14 15 Piping Length m Remark Indoor room temperature 27 19 C Outdoor temperature 35 C Indoor fan speed High Piping Lenth Characteristics Heating 5 6 7 8 9 10 11 12 13 14 15 Piping Length m Remark Indoor room temperature 20 C Outdoor temperature 7 6 C Indoor fan speed High 22 9 Electronic function 9 1 Abbreviation T1 Indoor ambient temperature T2 Pipe temperature of indoor heat exchanger T3 Pipe temperature of outdoor heat exchanger T4 Outdoor ambient temperature 9 2 Display function 9 2 1 Icon explanation on indoor display board Signal receptor a a 8 AUTOTIMER DEF ETE 1 El FREQUENCY MSC 09HRDN1 QDO E MSC 12HRDN1 QC6 E E DU lll EE EEN ERS ETS PEN 2 4 0 MSH O9HRDN1 QD0 E MSH 12HRDN1 QC6 E Auto indication This indicator illuminates when the air condit
6. 8 5 Starting current 3 2 4 5 PTC Heater optional 85 85 Model DA108X1C 20FZ3 DA108X1C 20FZ3 Type Rotary Rotary Brand TOSHIBA TOSHIBA Capacity 10918 10918 Input 855 855 Compressor Rated current RLA 5 3 5 3 Locked rotor Amp LRA 8 8 Thermal protector CS 74 CS 74 Capacitor No No Refrigerant oil 480 480 Indoor fan Model Brand RPG20D Welling RPG20D Welling Input 38 38 motor Capacitor 1 5 1 5 Speed hi mi lo 1150 1000 800 1250 1060 800 Indoor air flow Hi Mi Lo 590 470 325 615 485 325 Indoor noise level Hi Mi Lo 41 35 30 43 37 30 Indoor unit Dimension W H D Packing W H D 790 265 193 875 375 285 790 265 193 875 375 285 Net Gross weight 8 5 10 5 9 0 11 0 Model YDK24 6G YDK24 6G Outdoor fan Brand Welling Welling Input 59 59 motor Capacitor 2 5 2 5 Speed 800 550 800 550 Outdoor air flow Outdoor noise level Dimension W H D 1650 1060 760 590 285 1650 1060 760 590 285 Outdoor unit Packing W H D 887 655 355 887 655 355 Net Gross weight 40 5 43 40 5 43 Refrigerant type R410A 1230 1230 Refrigerant Liquid side Gas side 6 35 9 53 6 35 12 7 refrigerant pipe
7. YDK24 6G Outdoor fan Brand Welling Welling Input 59 59 motor Capacitor 2 5 2 5 Speed 800 550 800 550 Outdoor air flow 1650 1060 1650 1060 Outdoor noise level Dimension W H D 52 760 590 285 54 760 590 285 Outdoor unit Packing _ W H D 887 655 355 887 655 355 Net Gross weight 40 5 43 40 5 43 Refrigerant type R410A 1230 1230 Refrigerant Liquid side Gas side 6 35 9 53 6 35 12 7 refrigerant pipe 15 15 piping Max difference in level Operation temp Ambient temp 8 8 The above design and specifications are subject to change without prior notice for product improvement 5 Refrigerant cycle diagram ONLLVIH SNI1O009 fepoyy Bune H JAVA SNISH3A3H HISNJANO9 JONVHOX3 1V3H 39N1 AdVTIIdVO DON FATWA YOOGLNO 3015 dinon HOLVHOdVA3 3SNVHOX3 1W3H LINN HOOONI 6 Wiring diagram 6 1 Indoor Unit MSC 09HRDN1 QDO E MSC 12HRDN1 QC6 E INDOOR WIRING DIAGRAM LOUVER MOTOR PIPE TEMP SENSOR N MI DISPLAY BOARD AUTO RESTART 1 EX OPTIONAL AIR CLEAN DEVICE OPTIONAL TRANSFORMER C MICRO SWITCH OPTIONAL gt i OUTDOOR UNIT MSH O9HRDN1 QDO E MSH 12HRDN1 QC6 E INDOOR WIRING DI
8. u uuu uuu uuu nuna asua dit tb 33 10 Troubleshooting 10 1 Indoor Unit Error Display 10 2 Diagnosis and Solution 11 Characteristic of temp sensor 1 Precaution 1 1 Safety Precaution E To prevent injury to the user or other people and property damage the following instructions must be followed E Incorrect operation due to ignoring instruction will cause harm or damage E Before service unit be sure to read this service manual at first 1 2 Warning gt Installation E Do not use a defective or underrated circuit breaker Use this appliance on a dedicated circuit There is risk of fire or electric shock E 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 m Always ground the product There is risk of fire or electric shock E Install the panel the cover of control box securely There is risk of fire of electric shock m Always install a dedicated circuit and breaker Improper wiring or installation may cause fore or electric shock m Use the correctly rated breaker of fuse There is risk of fire or electric shock E Do not modify or extend the power cable There is risk of fire or electric shock E Do not install remove or reinstall the unit by yourself customer There is risk of fire electric shock explo
9. w 11 COOL I2COOL IBCOOL 25 I2HEAT 26 29 RAHFAN 31 TEH2 32 ANGES ARITE 33 ANGLOFF ETR ANGLHEAT ANG 1155001 40 ANGLCOOLMIN a _ PARASU MO taa 42 Parasu 43 SUPSLOWFAN FANHHIGH MSH 09HRD Parameter Explanation Na Cooling Rating Frequency HZ WE Heating Rating Frequency HZ a Sleep Time Hour 7 Turbo Speed in Cooling pm 1200 Turbo Speed in Heating rpm 1300 ne i Low Fan rom 800 _ Running Frequency HZ 4 ooo x TETTE Bm Running Frequency HZ 62 deisel Running Frequency HZ E el Running Frequency HD Joo m Current of Releasing Freq Limit in t 45 oo Limit i 5 5 Starting Temp of Defrosting C 6 RACFAN Exiting Temp of Defrosting C y 12 Freq Limit Starting Temp of Evap C 53 ee E 00 __ 60 a Max Angle in Heating 26 Max Angle in Cooling Standard Angle in Cooling dees Exiting Temp of Defrosting C 8 Super Breeze Speed rmp 600 MSH 12HRD N1 1250 1300 1250 1300 1060 800 700 31 40 48 53 59 64 72 76 79 82 5 2 6 4 7 5 5 2 6 4 7 5 12 1250 1300 53 200 125 26 40 53 195 180 168 600 34 10 Troubleshooting 10 1 Indoor Unit Error Display Display LED STATUS EO EEPROM parameter error Indoor outdoor units communicat
10. 9 7 3 Indoor fan action 1 Anti cold wind function 27 9 7 4 9 7 5 44 setting fan speed 38 37 34 33 Evaporator temp breeze TEL1 TELO super breeze fan stop If the compressor stops caused by room temperature rising indoor fan will be forced to run 127 seconds with breeze During this period anti cold wind is disabled After this anti cold wind function is available If the machine runs in rating capacity test mode indoor fan runs with rating speed and anti cold wind is disabled Indoor fan speed can be set as high medium low auto grade but anti cold wind function is preferential Auto fan action in heating mode 6 C E 2 5 2 0 a 1 5 medium TiO 5 sess esas Se Running rule of compressor after start After start in heating mode with remote controller compressor runs at the highest grade Fmax and frequency limit caused by AT room temperature setting temperature is disabled within initial 7 minutes but the pause of machine and frequency limit caused by protection is valid After this frequency changing rule is as the seventh item If the machine pauses caused by protection frequency limit or room temperature meeting setting value and then resarts the start frequency of compressor is set as follow and without 7 minutes limit After start the operation frequency of compressor submits to following rule
11. 15 15 piping Max difference in level 8 8 Ambient temp Indoor MSH O09HRDN1 QDO E MSH 12HRDN1 QC6 E Outdoor MOC 09HDN1 QDO E MOC 12HDN1 QC6 E Power supply Ph V Hz 1 220 240V 50Hz 1 220 240V 50Hz Capacity Btu h 9000 3100 11200 12000 3800 14700 Casing Input w 660 300 1100 970 400 1480 Rated current A 2 9 1 3 4 8 4 3 1 8 6 5 EER Btu w h 13 6 4 0 12 4 3 62 Capacity Btu h 10000 3300 12300 13000 4000 15200 Heating Input 690 310 1150 950 390 1460 Rated current A 3 0 1 4 5 0 4 2 1 7 6 4 W W 4 2 4 Moisture Removal 0 8 1 2 input consumption 1500 1600 Max current 8 8 5 Starting current 3 2 4 5 PTC Heater optional 85 85 DA108X1C 20FZ3 DA108X1C 20FZ3 Capacity Input Compressor Rated current RLA Locked rotor Amp LRA Thermal protector Capacitor Refrigerant oil Indoor fan Brand RPG20D Welling RPG20D Welling Input 38 38 motor Capacitor 1 5 1 5 Speed hi mi lo 1150 1000 800 1250 1060 800 Indoor air flow Hi Mi Lo 650 515 375 675 520 375 Indoor noise level Hi Mi Lo 41 35 30 43 37 30 Dimension W H D 810 282 215 810 282 215 Indoor unit Packing W H D 915 360 290 915 360 290 Net Gross weight 9 5 11 5 9 5 11 5 Model YDK24 6G
12. 5 1 Elevate current frequency excluding F8 to a higher grade If indoor fan is in low speed or pause caused by defrosting or anti cold wind function frequency of compressor will not be elevated one grade until these limit has been released 2 Indoor fan changes to turbo speed and anti cold wind function is valid 3 In turbo mode general protection maximum frequency limit indoor heat exchanger high temperature protection is valid 4 After running for 30 minutes the machine will turn back to previous setting mode 5 non turbo mode press TURBO button on controller will switch current mode to turbo mode if user press this button again the machine will turn back to previous setting mode 6 In turbo mode turning off the machine or switching running mode will make the machine quit turbo mode Auto mode function 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 Indoor fan will choose auto speed of relevant mode The louver action is the same as that in relevant mode If the machine switches mode between heating and cooling compressor will keep stopping for 15 minutes and then rechoose mode according to AT If the setting temperature is modified the machine will rechoose running function Turbo function in this mode is the same as that in relevant mode Fo
13. Midea SERVICE MANUAL MIDEA AIRCONDITIONER DC INVERTER SPLIT WALL MOUNTED TYPE MSC O9HRDN1 QDO E MSC 12HRDN1 QC6 E MSH O9HRDN1 QDO E MSH 12HRDN1 OCO E CONTENTS 1 22252220200 1 Ted Safety PrecautlON acicate idad 1 1 2 Wario A 1 BIO CONO iia 3 S DIMENSION ct E AET Oia 5 indoor Unica A 5 3 2 Outdoor tees 6 4 Sp e iflicati n 2 7 5 Refrigerant cycle diagrany LLULLU NENT ANA 9 6 Wiring rain ia a a nee ane nw dende 10 6 1 Indoor u 10 6 2 Outdoor AA E ee a 11 Installation detalla 12 721 Wrenchtorque sheetforinstallatiOn vico na 12 7 2 Connecting the cableS iii sne etat reerde narnia nen eta ae eee 12 7 3 Pipe length and the elevation nvm uhu a pa derden diner dede 12 7 4 Air purging of the piping and indoor unit U SS 13 7 5 Pumping down 14 7 6 purging Re installation
14. QDO E MOC 12HDN1 QC6 E LO ZI mn nnn T T TI LLL z i 272 ETA 7 CZK TTT AS EE EE A EE ae Ee KN LE LI K L s u 293 3 2 t 50 R10 R6 518 amp Detail Drawing for Leg Gas side Flare 9 53 for 9K model 12 7 for 12K model Service port Liquid side Flare 6 35 4 Specificati Indoor on MSC 09HRDN1 QDO E MSC 12HRDN1 QC6 E Outdoor MOC 09HDN1 QDO E MOC 12HDN1 QC6 E Power suppl Capacity 1 220 240V 50Hz 9000 3100 11200 1 220 240V 50Hz 12000 3800 14700 Input 660 300 1100 970 400 1480 Cooling Rated current 2 9 1 3 4 8 4 3 1 8 6 5 EER Btu w h 13 6 4 0 12 4 3 62 Capacity Btu h 10000 3300 12300 13000 4000 15200 Input W 690 310 1150 950 390 1460 Heating Rated current A 3 0 1 4 5 0 4 2 1 7 6 4 4 2 4 Moisture Removal 0 8 1 2 Max input consumpti on 1500 1600 Max current 8
15. a di sound for 2 seconds continuously Also indoor fan will change to rating speed RAHFAN the frequency of compressor will be fixed as rating value RATIFH Any condition of above is not satisfied the machine can not be turned into rating capacity test mode The machine will quit from the rating capacity test mode if running for 5 hours or changing fan speed or setting temperature In this mode if indoor heat exchanger high temperature protection or start and operation frequency limit caused by general protection occurs compressor will not run as rating frequency any more but indoor fan will still run as rating speed When the frequency limit is released the machine will resume rating capacity test If 30 the machine stops caused by protection in this test mode after release it can not turn back to the mode automatically again Thereinto indoor heat exchanger high temperature protection function is changed as follow a If T22 58 C compressor frequency will be descended one grade every 20 seconds When it drops to F2 if 2 is still higher than 58 and remains 3 minutes the compressor will stop b If T2 descends to be lower than 48 C frequency limit will be released c If T2 gt 60 C the compressor will stop and not resume until T2 lt 48 C 9 7 12 Turbo function in heating mode press the TURBO button on remote controller 9 8 9 8 1 9 8 2 9 8 3 9 8 4 9 8 5 9 8 6 9 9 9 9 1 9 9 2 9 9 3 9 9
16. by Three Minutes Delay protection 9 3 4 Temperature protection of compressor exhaust a Initialize temperature of compressor as if 108 lt lt 115 the speed of compressor will be restrict and descend one grade every 3 minutes till 1870rpm for 9K 1829rpm for 12K then the speed will not be changed until Tex lt 105 C When Tex lt 90 C the restriction can be released b If Tex2115 C for 5 seconds the compressor will stop and the units can not restart until Tex lt 90 C 9 3 5 Inverter module Protection Inverter module Protection itself has a protection function against current voltage and temperature If these protections happened the the corresponding code will display on indoor unit LED 9 3 6 Sensor protection at open circuit and breaking disconnection 9 3 7 Fan Speed is out of control When Indoor Fan Speed is too low lower than 300RPM for 60 seconds the unit stops and LED displays failure information and can t return to normal operation automatically 9 3 8 Cross Zero signal error warning If there are 20 alternations of Cross Zero signals are incorrect the unit stops and LED displays failure information After resuming the motor rotates again The spacing of Cross Zero signal is 6 13ms 9 3 9 Indoor fan delayed open function 9 3 10 For all modes when the units are turned on the indoor fan can operate 10 seconds after the action of louver 9 3 11 Compressor preheating function compressor heating cable 1 Pre
17. leakage 15 7 7 Balance refrigerant of the 2 way 3 way valves Indoor unit MZ Liquid side Outdoor uni gt Z 2 way valve LU lt k 00 3 way valve UL Hr a Procedure 1 Confirm that both the 2 way and 3 way valves are set to the open position 2 Connect the charge set to the 3 way valve s service port Leave the valve on the charge set closed Connect the charge hose with the push pin to the service port 3 Open the valves Low side on the charge set and discharge the refrigerant until the gauge indicates 0 05 to 0 1Mpa If there is no air in the refrigeration cycle the pressure when the air conditioner is not running is higher than 0 1Mpa discharge the refrigerant until the gauge indicates 0 05 to 0 1 Mpa If this is the case it will not be necessary to apply a evacuation Discharge the refrigeration gradually if it is discharged too suddenly the refrigeration oil sill be discharged 16 7 8 Evacuation Indoor uni Liquid side Outdoor unit E A T 2 valve 1 7 Gas side 3 way valve Open Y 4424 4 RT Vacuum pump desh Procedure 1 Connect the vacuum pump to the charge set s centre hose 2 Evacuation for approximately one hour Confirm that the gauge needle has moved toward 0 1 Mpa 76 cmHg vacuum of 4 mmHg or less 3 Close the valve Low side on the ch
18. may burn of explode E If the 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 The chemical in batteries could cause burns or other health hazards 2 Function Operation by remote controller Sensing by room temperature Room temperature sensor Pipe temperature sensor Room temperature control Maintain the room temperature in accordance w ith the setting temperature Anti freezing control in cooling Prevent the water being freezed on evaporator by sensing the evaporator pipe temperature in cooling mode Time Delay Safety control Restarting is for approx 3 minutes Indoor fan speed control Turbo wind high med low breeze Two direction air vane The unit will decide the louver direction according to 5 a 5 3 a Sleep mode auto control The fan is turn to low speed cooling heating The unit will be turn off at the seventh hour Independent dehumidification The function is usually used in rainy days in springtime or damp areas Air flow Direction control The louver can be set at the desired position or swing up and down automatically Auto mode The mode can be change by the room temperature Temp Compensation lonizer Optional Plasma Optional Tele Remote control Optional Work voltage 160V 253V Self diag function Anti cold function Prevent the co
19. over voltage or too low voltage protection diagnosis and solution Is the power supply good Be sure the power supply is normal when using the units Replace the outdoor e box 10 2 9 P2 temperature protection of compressor top diagnosis and solution Does compressor NO operate Is refrigerant circulation volume normal Is the connection good Reconnect and retest Is protector normal Replace the protector Check the outdoor main PCB Is there some problem Charge refrigerant Replace the outdoor PCB Is abnormality the same after gas charging Check refrigerant system such as clogging of capillary 10 2 10 P4 inverter compressor drive error diagnosis and solution Is the connection of compressor good Is the wiring sequency right voltaae ranae proper Reconnect and retry Replace the outdoor E box If the problem comes to again check coil resistance of inverter compressor is it 0 71ohm NO Replace inverter compressor 38 11 Characteristic of temp sensor 5 Resistance Resistance Resistance Tere 10 62 2756 14 6181 eem w noe s as _ ssa o nan e 7 41 sr a e _ ss a oms s _ 3 eon o 228 C e ze 3 ez IATA za eno _ eer 5
20. 1 eer n as e ars e im _ 39
21. AGRAM eee FON MDN LOUVER MOTOR Jens POWER SUPPLY CN11 CN14 EMP SENSOR RED pa 7 INDOOR PCB PIPE TEMP SENSOR 55 DISPLAY BOARD TI END OEE AUTO RESTART COPTIONAL 1 MICRO SWITCH COPTIONAL TRANSFORMER AIR CLEAN DEVICE OPTIONAL 6 2 Outdoor Unit MOC 09HDN1 QDO E MOC 12HDN1 QC6 E Ed HEAT OPTIONAL HEATER N 2 1 ar ve sas mear 2 WHITE nemen _ n RED m gt m E OUTDOOR xO MAIN GRAY PCB ead men TLN SONDI BLUE L INDOOR UNIT 27 COMPRESSOR YIG YELLOW Aj OM REACTOR2 R6025 u wa REACTORI R1310 RED P gt ORANGE 8 Mm B YELLOW CAPACITOR e 7 Installation details 7 1 Wrench torque sheet for installation Outside diameter Torque Kg m 1 8 4 2 5 5 6 6 6 6 7 2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet 7 3 Pipe length and the elevation Capacity Elevation Elevation refrigerant B m B m g m 7k 12K Btu h Gas Liquid Indoor unit Indoor unit Outdoor unit Caution Capacity is base on standard length and maximum allowance length is base of reliability Oil trap should be install per 5 7 meters 12 7 4 Air purging of the piping and indo
22. If temperature ATh zone changes frequency of compressor will rise or descend one grade and the maximum frequency is F10 the minimum is F1 This item is valid after the machine start and running for 7 minutes When the machine runs if ATh stays in a zone for 3 minutes action of frequency is as follow Zone A E Elevate current frequency excluding F10 one grade and not stop until Fmax Zone F Keep current frequency invariable Zone G Descend current frequency excluding F1 one grade Zone H Compressor stops after running with F1 for 60 minutes or when ATh gt 6 C Temperature difference ATcon choice After power on the machine will self diagnose and if there are no J1 and J2 jump wires ATcon will be set as 0 C moo 2 28 9 7 7 room temp setting Temp ATh Remark ATcon can be changed among 0 2 4 C the default is 0 C Outdoor unit current control in heating mode comp pause freq descends if curr rises 2 freq remains if curr descends outdoor unit current HHEAT 4 running normally The frequency descending is based on current grade and judges if descending again or resuming every 2 minutes If the current descends and stays at frequency remaining zone for 3 minutes the frequency will rise a grade After 3 minutes if stays at this zone still the frequency will rise a grade again Indoor heat exchan
23. air conditioner not a precision refrigerant system There is risk of damage or loss of property E Do not block the inlet or outlet of air flow It may cause product failure m 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 E Do not touch the metal parts of the product when removing the air filter They are very sharp There is risk of personal injury E Do not step on pr put anything on the product outdoor units There is risk of personal injury and failure of product m Always insert the filter securely Clean the filter every two weeks or more often if necessary dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage E Do not insert hands or other object through air inlet or outlet while the product is operated There are sharp and moving parts that could cause personal injury E Do not drink the water drained from the product It is not sanitary could cause serious health issues m Use a firm stool or ladder when cleaning or maintaining the product Be careful and avoid personal injury E Replace the all batteries in the remote control with new ones of the same type Do not mix old and mew batteries or different types of batteries There is risk of fire or explosion E Do not recharge or disassemble the batteries Do not dispose of batteries in a fire They
24. arge set turn off the vacuum pump and confirm that the gauge needle does not move approximately 5 minutes after turning off the vacuum pump 4 Disconnect the charge hose from the vacuum pump Vacuum pump oil if the vacuum pump oil becomes dirty or depleted replenish as needle 17 7 9 Gas charging Indoor unit gt Liquid side p Outdoor unit gt valve Gas side Check valve Charging cylinder Procedure 1 Connect the charge hose to the charging cylinder Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder 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 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 refrigerant if can be charged with a little at a time approximately 150g each time0 while operating the air conditioner in the cooling cycle however one time is not sufficient wait approximately 1 minute and then repeat the procedure pumping down pin Immediately disconnect the charge hose from the 3 way valve s service port Stopping partway will allow the refrigerant to be discharged If the system has been charged with liquid refrigerant while operating the air conditioner turn off th
25. d High Piping Lenth Characterist 5 6 7 8 9 10 11 12 13 14 15 Piping Length m Remark Indoor room temperature 20 C Outdoor temperature 7 6 C Indoor fan speed High 19 8 2 MSC 12HRDN1 QC6 E Cooling Characteristics 3 7 3 6 3 5 5 34 3 5 S 33 3 2 O u 3 1 3 0 1 08 2 1 04 5 5 8 1 00 2 5 0 96 5 0 92 os 2 8 24 26 28 30 32 35 37 39 41 4 5 6 7 8 9 10 11 12 13 14 15 Outdoor Ambient Piping Length m l Remark Indoor room temperature 27 19 C Remark Indoor room temperature 27 19 C Indoor fan speed High Outdoor temperature 35 C Pipe length 5m Indoor fan speed High Heating Characteristics Piping Lenth Characteristics Heating 3 9 3 8 5 3 8 5 3 7 S 37 gt 36 8 36 8 35 gt 35 gt 3 4 34 3 3 33 3 2 3 2 3 1 14 1 00 Z 13 0 98 a 12 0 96 lt ra 1 1 0 94 1 0 0 92 a a 09 2 0 90 8 8 0 88 7 5 3 A 1 3 5 7 9 1 5 6 7 8 9 10 11 12 13 14 15 Outdoor Ambient Temperature C Piping Length m Remark Indoor room temperature 20 C Remark Indoor room temperature 20 C Indoor fan speed High Outdoor temperature 7 6 C Pipe length 5m Indoor fan speed High 20 8 3 MSH 09HRDN1 QD0 E Cooling Characteristics 274 268 S 262 o 8 256
26. e air conditioner before disconnecting the hose 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 to check for gas leakage 18 8 Operation characteristics 8 1 MSC O9HRDN1 QDO E Cooling Characteristics 2 74 2 68 S 24621 z S 256 5 2 50 2 44 5 2 38 2 32 0 72 5 0 70 Z 0 68 i 0 66 H 064 a 2 062 8 0 60 24 26 28 30 32 35 37 39 41 43 Outdoor Ambient Temperature C Remark Indoor room temperature 27 19 C Indoor fan speed High Pipe length 5m Heating Characteristics A 42 A au de S 29 tiene dee A d g 28 Zei S 27 5 26 8 25 el ZA n 105 S 095 2 085 e Cee 9 lt unu ass LA eet oo a D 055 nn Ber fles 8 045 OI O O 7 5 311 3 5 7 9 1 Outdoor Ambient Temperature C Remark Indoor room temperature 20 C Indoor fan speed High Pipe length 5m Cooling Capacity KW Cooling Power Input KW Cooling Capacity KW Cooling Power Input KW Piping Lenth Characteristics Cooling 5 6 7 8 9 10 11 12 13 14 15 Piping Length m Remark Indoor room temperature 27 19 C Outdoor temperature 35 C Indoor fan spee
27. e rating capacity test mode if running for 5 hours or changing fan speed or setting temperature In this mode if anti freezing protection or start and operation frequency limit caused by general protection occurs compressor will not run as rating frequency any more but indoor fan will still run as rating speed When the frequency limit is released the machine will resume rating capacity test If the machine stops caused by protection in this test mode after release it can not turn back to the mode automatically again Turbo function press the TURBO button on remote controller Elevate current frequency lower than F8 to a higher grade Indoor fan turns to turbo speed In turbo mode general protection maximum frequency limit anti freezing protection for evaporator and high temp protection for condenser is valid After running for 30 minutes the machine will turn back to previous setting mode In non turbo mode press TURBO button on controller will switch current mode to turbo mode if user press this button again the machine will turn back to previous setting mode 26 6 In turbo mode turning off the units or switching running mode will make the machine quit turbo mode 9 5 8 Indoor fan operation rule 1 In cooling mode indoor fan runs all the time and the speed can be selected as high medium low and auto 2 Auto fan in cooling mode acts as follow 4 0 4 3 0 medium 1 5 1 0 oom temp
28. erature b In anti cold wind control if indoor fan is low speed breeze or fan pause the maximum value of T2 will be recorded in this process Condition 3 No matter what value T4 is if the machine runs with T3 lt 3 C for more than 120 minutes and keeps lower than TCDI 4 for more than 3 minutes the machine will defrost no matter if T2 drops for more than 5 C or not Remark That means that no matter what condition is only when T3 lt 3 C PCB begins to time if the machine runs for more than 120 minutes and T3 keeps lower than start temperature TCDI 4 for 3 minutes it begins to defrost and are not restricted by T2 Condition of ending defrosting If any one of following items is satisfied defrosting will finish and the machine will turn to normal heating mode rises to be higher than ICDE1 C b rises to be higher than TCDE2 C and remains for 80 seconds c The machine has run for 10 minutes in defrosting 9 7 10 Defrosting action 9 7 11 1 compressor 4 way valve outdoor fan indoor fan indoor fan breeze 10s a 60s lt q gt no longer than 10 minutes 22306 Rating capacity test function Set the indoor unit with remote controller as high fan 30 in heating mode then press TURBO button on controller 6 times or more within 10 seconds make sure indoor unit receives these signals the machine will turn into rating capacity test mode the buzzer will make
29. ge ends up indicating 0 3 to 0 5Mpa Disconnect the charge set and amount the 2 way and 3 way valve s stem nuts and service port caps Use a torque wrench to tighten the service port cap to a torque of 1 8 kg m Be sure to check for gas leakage 14 7 6 Re air purging Re installation Liquid side Outdoor unit 2 way valve w Charging cylinder 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 minutes repeat 3 times After purging the air use a torque wrench to tighten the flare nut to 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 until the gauge indicate 0 3 to 0 5 Mpa 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
30. ger high temperature protection If T2 gt TEH2 C compressor frequency will be descended one grade every 20 seconds When it drops to F2 if T2 is still higher than TEH2 C and remains minutes the compressor will stop If 2 descends to be lower than 48 C or remains between 48 C to TEH2 C for 6 minutes frequency limit will be released If T2 gt 60 C the compressor will stop and not resume until T2 lt 48 C Defrosting mode Condition of defrosting Condition 1 If T4 gt 0 C When the units are running if the following two items are satisfied the units start defrosting The units runs with T3 lt 3 C for 40 minutes keeps lower than TCDI C for more than 3 minutes b The units runs with T3 lt 3 C for 80 minutes keeps lower than TCDI 2 for more than 3 minutes Remark The above means that when T3 is lower than 3 C PCB begins to time if T3 is lower than start temperature for 3 minutes the machine starts defrosting Here start temperature are TCDI TCDI 2 C Condition 2 1 4 lt 0 The program judges according to the condition 1 if the two items are satisfied then judges if T2 has descended for more than 5 C if it has the machine starts defrosting or continues to judge T2 and will not defrost until T2 29 drops more than 5 C T2 initial record a In anti cold wind control if indoor fan is setting speed T2 will be recorded after 5 minutes of reaching setting temp
31. ger temperature gets down to be lower than 4 C frequency will descend every one grade for 1 minute till FO and this action will not stop until 4 lt T2 lt 6 C If T2 gets up to be higher than 7 C the limit will be released If 2 is lower than 0 C the compressor stops and resumes when T2 gt 5 C Outdoor unit current control in cooling mode refer to the parameter table comp pause I8COOL freq descends if curr rises I2COOL freq remains if curr descends outdoor unit current COOL running normally Remark a The frequency descending is based on current grade and judges if d escending again or resuming every 2 minutes b Ifthe current descends and stays at frequency remaining zone for 3 minutes the frequency will rise a grade After 3 minutes if stays at this zone still the frequency will rise a grade again Rating capacity test function Set the indoor unit with remote controller as high fan 17 C in cooling mode then press TURBO button on controller 6 times or more within 10 seconds make sure indoor unit receives these signals the machine will turn into rating capacity test mode the buzzer will make a di sound for 2 seconds continuously Also indoor fan will change to rating speed RACFAN the frequency of compressor will be fixed as rating value RATIFC Any condition of above is not satisfied the machine can not be turned into rating capacity test mode The machine will quit from th
32. heating permitting condition After OPMR Outdoor Power Main Relay closing if T4 outdoor ambient temperature lt 3 C and the machine connects to power supply newly or if T4 lt 3 C and compressor has stopped for over hours the compressor heating cable will work 2 Preheating mode A weak current flows through the coil of compressor from the wiring terminal of compressor then the compressor is heated without operation 3 Preheating release condition If T4 gt 5 C or user turns on the machine and compressor runs preheating function will stop 9 3 12 Compressor heating cable If outdoor temperature sensed by outdoor thermostat is lower than 5 C the thermostat closes and compressor heating cable begins to work If outdoor temperature is higher than 15 C the thermostat opens and compressor heating cable stopping working 9 4 Fan Only Mode 9 4 1 In fan only mode compressor and outdoor fan keep off For the action of 4 way valve please refer the passage 9 10 9 4 2 Temperature setting function is disabled and no setting temperature display 24 9 4 3 In this mode the action of louver is the same as in cooling mode 9 4 4 The action of auto fan in fan only mode is the same as auto fan in cooling mode with 24 C setting temperature 1 24 9 5 Cooling Mode 9 5 1 In this mode for the action of 4 way valve please refer the passage 9 10 9 5 2 The maximum starting and operation frequency decided by outdoor ambien
33. here is risk of electric shock m 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 E 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 m Always check for gas refrigerant leakage after installation or repair of product Low refrigerant levels may cause failure of product E Install the drain hose to ensure that water is drained away properly A bad connection may cause water leakage m Keep level even when installing the product To avoid vibration of water leakage E 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 E Use two or more people to lift and transport the product Avoid personal injury E 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 E Do not expose the skin directly to cool air for long periods of time Do not sit in the draft This could harm to your health E Do not use the product for special purposes such as preserving foods works of art etc It is a consumer
34. ion protection Zero crossing signal error Fan speed out of control Open or short circuit of outdoor temperature sensor Open or short circuit of room or evaporator temperature sensor IGBT over strong current protection Over voltage or too low voltage protection Temperature protection of compressor top Inverter compressor drive error Note E4 amp Reserved function 10 2 Diagnosis and Solution 10 2 1 parameter error error diagnosis and solution Circuit or software error on indoor PCB Replace indoor PCB 10 2 2 1 outdoor units communication protection error diagnosis and solution 35 Disconnect the power supply after 1 minute connect the power supply turn on the unit with remote controller Does the unit work normally Check the wiring between inoor and outdoor unit Is the connection of L N S and GND good Is the GND connection on outdoor PCB good Reconnect and retest again Replace indoor PCB and repower on Is the failure cleared Is the LED4 red on outdoor PCB bright and LED1 yellow blinking The power supply for outdoor PCB is fail Check the wiring on outdoor PCB comparing with wiring plate Is the connection good Correct the connection Replace outdoor e box 10 2 3 E2 zero crossing signal error diagnosis and solution Is power su
35. ioner is in AUTO operation Timer indicator This indicator illuminates when TIMER is set ON OFF 8 PRE DEF Indicator For Cooling amp Heating models only This indicator illuminates when the air conditioner starts defrosting automatically or when the warm air control feature is activated in heating mode TEMPERATURE indicator Usually it displays the temperature settings When change the setting temperature this indicator begins to flash and stops 20 seconds later It displays the room temperature when the air conditioner is in FAN only operation and the range of that is 0 50 C When the unit stops operation it returns to original factory settings Displays the malfunction code or protection code 6 Frequency indicator This indicator appears only when the compressor is in operation and indicates the current operating frequency 23 9 2 2 LED display control function Pressing LED display button on remote controller will turn off all displays on indoor unit while pressing once again all displays will resume 9 2 3 Display function in outdoor unit 9 3 Protection 9 3 1 Three Minutes Delay at restart for compressor 9 3 2 Temperature protection of compressor top 9 3 3 If the temperature of compressor top is too high higher than 115 C and the Over load Protector is cut the units stop When the Over load Protector restore and close lower than 100 C the compressor will restart in this case the compressor is restricted
36. ld wind at the beginning of unit start Auto defrost Auto restart function When the power supply is interrupted and then restore the air conditioners automatically restore the previous function setting Flexible wiring connection Outdoor unit Power relay control The unit has 3 mins delay between continuously ON OFF operations Low noise air flow system Bird tail propeller fan makes the outdoor unit run more quietly Hydrophilic aluminum fin The hydrophilic fin can improve the heating efficiency at operation mode 4 way valve control It is only operated in the heating operation mode except defrosting operation Anti rust cabinet Made from electrolytic zinc steel sheet and anti rust coated components Valve protection cover It protects the valves and prevents water from dripping Discharge pipe temperature protect Heating cable Optional Driving heating at 15 C 3 Dimension 3 1 Indoor Unit MSC 09HRDN1 QDO E MSC 12HRDN1 QC6 E Frame A Chasis a 308 242 790 Panel 193 LO a D Sid 0 40 74 Horizontal Louver MSH O9HRDN1 QDO E MSH 12HRDN1 QC6 E 815 215 _ PTA lt 2 280 3 2 Outdoor Unit MOC 09HDN1
37. op For defrosting please refer to the passage defrosting mode Two speeds outdoor fan function Outdoor fan starts at the same time with compressor but stops 30 seconds later after compressor stop Outdoor fan action in heating mode including heating in auto mode g 2 g 8 5 a a D Q 5 45 5 5 5 5 3 8 2 5 3 3 8 8 Outdoor fan action in heating mode Outdoor fan action in cooling amp drying mode including heating in auto mode including cooling in auto amp forced mode Outdoor fan action in cooling 8 drying mode including cooling in auto amp forced mode Please refer to the pic above Timer function Timing range is 24 hours and the minimum resolution is 15 minutes Timer on After turning off the machine will turn on automatically when reaching the setting time Timer off After turning on the machine will turn off automatically when reaching the setting time Timer on off After turning off the machine will turn on automatically when reaching the setting on time and then turn off automatically when reaching the setting off time Timer off on After turning on the machine will turn off automatically when reaching the setting off time and then turn on automatically when reaching the setting on time The tolerance of timer is 1 minute per hour Sleep function mode Operation time in sleep mode is 7 hou
38. or unit Required tools Hexagonal wrench adjustable wrench torque wrenches wrench to hold the joints and gas leak detector Note The air in the indoor unit and in the piping must be purged If air remains in the refrigeration piping it will affect the compressor reduce the cooling capacity and could lead to a malfunction of unit Be sure using a torque wrench to tighten the service port cap after using the service port so that it prevents the gas leakage from the refrigeration cycle Indoor unit YT N Liquid side CC I OPEN I 3 22 r valve Outdoor unit Procedure 1 Recheck the piping connections 2 Open the valve stem of the 2 way valve counterclockwise approximately 90 wait 10 seconds and then set it to closed position 7 Mounted the valve stem nuts to the 2 way and 3 way valves 8 Check for gas leakage At this time especially check for gas leakage from the 2 way and 3 way stem nuts and from the Be sure to use a hexagonal wrench to operate the service port valve stem 3 Check for gas leakage Caution Check the flare connection for gas leakage If gas leakage is discovered in step 3 above take the 4 Purge the air from the system following measures Set the 2 way valve to the open position and If the leaks stop when the piping connections are remove the cap from the 3 way valve s service tightened further continue working from step 4 port If the ga
39. pply Be sure the power supply is good connection of connectors and correct the connection good Indoor PCB is defective Replace the indoor PCB 10 2 4 E3 indoor fan speed out of control diagnosis and solution 36 Is the indoor fan motor connector and connection good Repair the connector and reconnect Is voltage being applied to the fan motor Indoor PCB is defective rang 90v 160v between Replace the indoor PCB mid pin and N on CN1 Replace the indoor fan motor 10 2 5 5 or short circuit of outdoor temperature sensor diagnosis and solution Is the outdoor temperature sensor connector and connection good Replace the Sensor and Replace outdoor e box check if E5 display again 10 2 6 or short circuit of room or evaporator temperature sensor diagnosis and solution Repair the connector and reconnect Is the indoor temperature and evaporator sensor connector and connection good Replace the Replace the indoor check if E6 display again 10 2 7 PO IGBT over strong current protection diagnosis and solution Repair the connector and reconnect Is all connections on PCB and between PCB and compressor good Repair or correct the connector or connection Replace the outdoor PCB and then repower on Is Check the compressor the failure cleared 37 10 2 8 P1
40. rced operation function Forced cooling and auto function can carry out with a touch button In these two modes the machine can be changed by remote controller to any other mode at any moment When the machine is off pressing the touch button will carry the machine to forced auto mode after this 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 In forced operaton remote control is available In forced operation mode all general protections is available In forced cooling mode compressor frequency is fixed at F2 indoor fan is at freeze grade anti frozen outdoor unit current protection and maximum start and running frequency limit caused by outdoor temperature are valid After running for 30 minutes the machine will turn to normal auto mode which setting temperature is 24 C 31 9 9 6 9 10 9 11 9 11 1 9 11 2 9 11 3 9 12 9 12 1 9 12 2 9 12 3 9 12 4 9 12 5 9 12 6 9 13 4 9 13 5 The action of forced auto mode is the same as normal auto mode which temperature is 24 C Action of 4 way valve In heating fan only standby or turning off mode 4 way valve is off while in cooling or drying mode 4 way valve is on If the machine changes operation mode from cooling or drying mode to some other mode 4 way valve will be delayed off 2 minutes after compressor st
41. ric shock E Do not store or use flammable gas or combustible near the product There is risk of fire or failure of product E 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 Do not use the telephone or turn switches on or off There is risk of explosion or fire E If strange sounds or small or smoke comes from product Turn the breaker off or disconnect the power supply cable There is risk of electric shock or fire E 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 E 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 flooded or submerged contact an Authorized service center There is risk of fire or electric shock E Be caution that water could not enter the product There is risk of fire electric shock or product damage E Ventilate the product from time to time when operating it together with a stove etc There is risk of fire or electric shock E Turn the main power off when cleaning or maintaining the product T
42. rs After 7 hours the machine quits this mode and turns off In cooling heating or auto mode sleep function is available Operation process in sleep mode is as follow After pressing ECONOMIC or SLEEP button on controller the machine will turn into sleep mode When cooling the setting temperature rises 1 be lower than 30 C every one hour 2 hour later the rising stops and indoor fan is fixed as low speed When heating the setting temperature descends 1 C be lower than 30 C every one hour 2 hour later the descending stops and indoor fan is fixed as low speed and anti cold wind is available If user uses timer on function in sleep mode sleep function will pause and not resume until reaches the setting on time When user uses timer off function in sleep mode or sleep function in timer off mode if the timing time is less than 7 hours sleep function will be cancelled when reaching the setting time If the timing time is more than 7 hours the machine will not stop until reaches the setting off time in sleep mode 32 9 14 Electronic control parameter N MSC 09HRD MSC 12HRD Parameter Parameter Explanation N N o Cooling Rating Frequency HZ u 41 o 56 43 57 Sleep Time Hour 7 7 FANCSHIGH Turbo Speed in Cooling rpm 120 1250 4 5 FANHSHIGH Turbo Speed in Heating rpm 1300 1300 6 7 _ FANCHIGH High Fan in Cooling rpm 1150 1250 FANHHIGH High Fan in Heating rpm 1250 1300 mT mee
43. s leaks do not stop when the connections are Using the hexagonal wrench to press the valve retightened repair the location of the leak discharge all core pin discharge for three seconds and then wait of the gas through the service port and then recharge for one minute with the specified amount of gas from a gas cylinder 5 Use torque wrench to tighten the service port cap to a torque of 1 8 kg m 18n m 6 Set the 3 way valve to the opened position 13 7 5 Pumping down Re installation indoor unit 4 er unit Outdoor unit 2 way valve Gas side 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 Operate the unit for 10 to 15 minutes 3 Stop operation and wait for 3 minutes then connect the charge set to the service port of the 3 way valve Connect the charge hose with the push pin to the gas service port Air purging of the charge hose Open the low pressure valve on the charge set slightly to purge air from the charge hose 6 Set the 2 way valve to the close position 7 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 0 1MPa 8 Immediately set the 3 way valve to the closed position Do this quickly so that the gau
44. sion or injury E Be 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 m For installation always contact the dealer or an Authorized service center There is risk of fire electric shock explosion or injury E Do not install the product on a defective installation stand It may cause injury accident or damage to the product m 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 E Do not let the air conditioner run for a long time when the humidity is very high and a door or a windows is left open Moisture may condense and wet or damage furniture Take care to ensure that power cable could not be pulled out or damaged during operation There is risk of fire or electric shock E Do not place anything on the power cable There is risk of fire or electric shock E Do not plug or unplug the power supply plug during operation There is risk of fire or electric shock E Do not touch operation the product with wet hands There is risk of fire or electric shock E Do not place a heater or other appliance near the power cable There is risk of fire and electric shock E Do not allow water to run into electric parts It may cause fire failure of the product or elect
45. t temperature 1 Ifthe machine is turned on in cooling mode with controller after start compressor runs as cooling maximum frequency viz the target start frequency is Fmax and within 7 minutes frequency limit caused by the difference between room temperature and setting temperature is disabled During this period frequency limit and pause caused by protection is available After this 7 minutes the operation rule is as the third point Outdoor Temperature 2 If the machine stops and then resarts caused by protection and frequency limit or reachs setting temperature the start frequency is as following rule room temp setting Temp AT Start Freq 25 9 5 3 1 9 5 4 9 5 5 9 5 6 After start the operation frequency of compressor submits to following rule When the machine is running and AT room temp setting temp changes the frequency will rise or descend a grade maximum frequency is F8 in cooling mode if current frequency is F1 it will not descend even AT is reduced after 7 minutes After start if AT stays in a zone for 3 minutes the frequency will change as follow Zone A E Current frequency rise a grade F8 is excluded till F8 Zone F Keep current frequency invariable Zone G Current frequency descend s grade F1 is excluded Zone H Compressor stops after running as F1 for 60 minutes or is less than 2 C Indoor heat exchanger anti freezing function If T2 indoor heat exchan
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