Service Manual 09K-18K
Contents
1. apu 11 WING 6 les 1 MEM 12 feme c iea 18 Wrench torque sheet for 18 CONMECHING 1 I DON E 18 the u uu a SEL uev rd bises o 18 Air purging of the piping and indoor 19 Pumping down nnn nnns 20 Re air purging Re installation nennen nnne nnne nnne nnne nnns nnns 21 Balance refrigerant of the 2 way 3 way nnne nnns 22 EVACUAUO nne 23 G Sell S TETUR 24 Capacity Table 25 25 MS GO OTR O GB E 0 H 25 RNS GP WZ Ci cog 26 u u L ES 4 eek 27 MS e 27 Electroni TUNCUON A 28 Electronic control working environment 28 Proper symbols and thelr MEANING csc howe eins a ua we lee A ee dE Reo tou uu 28 Rep cT Oa accr2. Hn a FAN CAPACITOR Service manual MSG 18HR QB9 TRANSF RIER COMPRESSOR RELAY t C Er BLUE 21 1 SWITCH BOARD nn A 1 v e CH 10 CNG 4 08 Wi d 1 p gt ODO Akiti 1 WE 4 Ji UNIT a AER Lue ui T OUTDOOR UNIT INDOOR MOTOR NXXR UNT JIDAR UN T N j 4 FED BUE BLE Y amp G 4 VAY BACK 3 BLACK BLACK E MR 5 VM TE COVPRESSOR TCR TCR 17 Service manual 8 Installation details 8 1 Wrench torque sheet for installation 3 8 8 2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet 8 3 Pipe length and the elevation Capacity Pipe size SELL 3 8 99 52 1 4 96 35 1 2 912 7 1 2 12 7 1 4 6 35 5 8 315 30 Indoor unit In case that Indoor unit more than 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 18 Service manual 8 4 Air purging of the piping and indoor unit Required tools
3. 26 Service manual 9 4 MSG 18CR QB9 OUTDOOR TEMPERATURE DRY o ee se we we Conditions 21 C D 15 C W 24 C D 17 C W 27 CD TotalcapacitykW 554 530 5 00 473 441 406 19 W Sensitive capacity kW 421 408 390 371 3 321 32 C D 23 W 9 5 MSG 18HR QB9 OUTDOOR TEMPERATURE DRY c we c c ee Conditions 21 C D 15 C W 24 C D 17 C W 27 CD Total capacity kW 554 5 30 500 473 441 406 199 W Sensitive capacity kW 421 408 390 371 3 921 32 D 23 W WINTER OUTDOOR CONDITIONS Indoor 12CD 7CD 4CD OCD CD 7CD sew rew sew sew 15 opc 6 31 550 503 431 354 294 InpukW 204 180 171 158 140 128 229 eT s Service manual 10 Electronic function Just for the 9K 12K 18K cooling and heating mode 10 1 Electronic control working environment Input voltage 175 253V Input power frequency 50HZ Ambient temperature 7 43 Indoor fan normal working amp is less than 1A Outdoor fan normal working amp is less than 1 5A Four way valve normal working amp is less than 1A Swing motor DC12V Compressor single phase power supply Its normal working amp is less than 15A 10 2 Proper symbols and their meaning TA Indoor ambient temperature TE Indoor evaporator temperature TS Setting temper
4. If gas leakage is discovered in step 3 above take the following measures If the leaks stop when the piping connections are tightened further continue working from step 4 If the gas leaks do not stop when the connections are retightened repair the location of the leak discharge all of the gas through the service port and then recharge with the specified amount of gas from a gas cylinder Service manual 8 5 Pumping down Re installation Outdoor unit 2 i die valve N Cl d 1 1 Indoor unit Y Liquid ane 4 1 1 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 4 Air purging of the charge hose Open the low pressure valve on the charge set slightly to purge air from the charge hose 5 Set the 2 way valve to the close position 6 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 0 1MPa 7 Immediately set the 3 way valve to the closed position Do
5. 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 ras indoor unit Liquid side 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 Be sure to use a hexagonal wrench to operate the valve stem 3 Check for gas leakage Check the flare connection for gas leakage 4 Purge the air from the system Set the 2 way valve to the open position and remove the cap from the 3 way valve s service port Using the hexagonal wrench to press the valve core pin discharge for three seconds and then wait for one minute 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 46 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 service port Caution
6. YDK53 6C Band 1 4 Wen Weling Weling Refrigeranttype R22 1 g 170 180 180 Max refrigerant pipe length m 10 15 15 Max difference in level Lom o 8 3 Operation temp c 17 30 17 30 17 30 Ambient temp sp 7 4 7 45 18 45 Application area 18 26 30 40 30 40 Note The noise date is base on hemi anechoic chamber during actual operation these values are normally somewhat different as a result of ambient condition The above design and specifications are subject to change without prior notice for product improvement Service manual 5 Refrigerant cycle diagram Cooling only HEAT EXCHANGE LIQUID SIDE P mu CAPILLARY TUBE HEAT EXCHANGE CONDENSER gt 4 GAS SIDE COMPRESSOR Heat pump mode INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGE EVAPORATOR CHECK VALVE LIQUID SIDE Heating Model only I CAPILLARY TUBE EXCHANGE CONDENSER 4 GASSDE 4 0 7 7 4 EUIS E SWAYVAE accumu UJ VALVE LATOR de Heating Model Only COMPRESSOR COOLING HEATING Service manual 6 Operation limits 6 1 Cooling operation Outdoor unit air temp C DB Indoor air temp DB Note The chart is the result from the continuous operation under constant air temperature cond
7. 10 12 2 Cooling The set temperature rise 1 C per hour Two hours later the set temperature will maintain as a constant and the fan speed is kept at low speed Room temperature 1 2 Time 10 12 3 Heating The set temperature decrease 1 C per hour Two hours later the set temperature will maintain as a constant and the air circulation is kept at low speed Anti cold function takes precedence over all 24 Service manual Room temperature 1 2 Time 10 124 Auto After an hour running under economic mode the set temp will rise 1 C if it is under cooling mode the set temp will decrease 1 C if it is under heating mode the set temp will be changeless if it is under fan only mode the condition will be the same after the air conditioner running under economic mode after 2 hours and during the next time the set temp do not change The total time is 7 hours after 7 hours the unit stops 10 13 Auto restart function In case of a sudden power failure this function automatically sets the unit to previous settings before the power failure when power returns 10 14 Anion optional Starts with indoor fan 35 Service manual 11 Model and Parameters Model MSG 09CR QC3 MSG 09HR QC3 MSG 12CR QC2 MSG 12HR QC2 MSG 18CR QB9 MSG 18HR QB9 4 5 4 5 8 5 8 5 12 12 Tn TEA 2 _ m ILL SC r M 6 60 64 TsII E
8. 12CD 7CD 4CD OCD CD 7 CD bo De 008 ose 089 ore oer 050 18 1 os om 078 089 oer opc 344 3 00 24 235 193 1 60 InputkW 1 03 0 91 086 0 80 071 06 25 Service manual 9 3 MSG 12CR QC2 OUTDOOR TEMPERATURE DRY me meme we ee ee Conditions 21 C D 15 C W CNET 0 9 O7 1 12 _ 24 C D 17 C W 27CD Total capacity kW 377 360 340 321 300 276 19 C W Sensitive capacity kW 286 277 2 65 2 52 236 218 Lii Loe 1 191 18 130 32 D 23 W Et ET 05 p MSG 12HR QC2 SUMMER OUTDOOR TEMPERATURE DRY c we ee ec we ee Conditions 21 D 15 C W InnputtkW 0 90 095 099 1 07 1 18 122 24 D 179 W 27CD Total capacity kW 3 77 360 340 321 300 276 19 C W Sensitive capacity kW 286 277 2 65 2 52 236 218 Lk Loe 1 191 32 23 W eu ose 105 109 1 8 131 135 WINTER OUTDOOR CONDITIONS Indoor 12CD 7CD OCD CD 7 C D scw rew sew 15 opc Capaciykw 413 3 60 329 282 232 192 InpukW 1 19 1 05 100 092 081 0 75 229 InpukW 123 106 101 06 087 077
9. 25 Outdoor fan Indoor fan 10s p A 10 10 Auto mode 10 10 1 The air conditioner automatically selects one of the following operation modes cooling heating or fan only according to the temperature difference between room temperature TA and set temperature TS 923 Service manual Heating fan only at cooling Fan only Cooling 1 2 TA TS 10 10 2 The indoor fan blows automatically in corresponding selected mode 10 10 3 motion of indoor fan s blade should accord with the selected operation mode 10 10 4 One mode should be carried out for at least 15 minutes once selected If the compressor cannot start for 15 minutes reselect the operation mode according to the room temp and set temp or reselect when the set temp varies 10 11 Force cooling function 10 11 1 Select forced cooling function with the forced cooling button or the switch 10 11 2 The compressor is unconditionally turned on after 30 minutes cooling operation whose fan mode is set as low the operates at the DRY mode with a set temp of 24 10 11 3 All protections of remote control cooling are available at forced cooling operation 10 11 4 Forced Auto function Select forced auto function with the forced auto button or the switch In forced auto status the operates at remote control mode with a set temp of 24 10 12 Sleep mode 10 12 1 The sleep function is available at cooling heating or auto mode
10. TE9 C T a zr hka ANGLOFF p 36 Service manual 12 Troubleshooting 12 1 Display board Infrared signal receptor OPERATION AUTO TIMER PRE DEF Operation The indicator flashes once every second after power is on and illuminates when the air conditioner is in operation Timer indicator The indicator illuminates then TIMER is set ON PRE DEF indicator For cooling amp heating mode only The air conditioner starts defrosting automatically if outdoor unit frosts in heating operating At this time PRE DEF indicator illuminates Auto indicator This indicator flashes when the air conditioner is in AUTO operation ECON indicator This indicator illuminates while the air conditioner is in economic operation 2575 Service manual 12 2 Troubleshooting For cooling mode Operation Timer Failure phenomenon lamp x X Indoor fan speed has been out of control for over 1 minute A Indoor room temp or evaporator sensor is open circuit or short circuit w On Over current protection of the compressor occurs 4 times X EEROM error On x No over zero signal cw X Extinguish Flash at 5Hz For heat pump mode Failure phenomenon Defrosting lamp lamp lamp Over current protection of the compressor occurs 4 times
11. Y After changing indoor fan motor check if the failure realease Indoor PCB is defective YES Power supply circuit has problems 12 5 Operation lamp flashes and Timer lamp off Is connector connection good Is voltage being applied to the fan motor Fan motor is defective Repair the connector Indoor PCB is defective 12 6 Operation lamp flashes and Timer lamp on Is connector connection good Replace the sencor 40 Repair the connector Service manual 12 7 Operation lamp off and Timer lamp flashes Operation lamp off and Timer lamp flashes After changing the main control board check if the failure realease N Indoor PCB is defective The voltage of power supply is too low less than 187V Outdoor unit fault such as the compressor Power supply fault 12 8 Operation lamp on and Timer lamp flashes EEROM error indoor PCB is defective 12 9 Operation lamp flashes Timer lamp flashes This is alarm signal when the main chip can t detect over zero signal When such failure occurs the main control board must have fault 41 Service manual 13 Characteristic of temperature sensor u 8 56394 19 13 2031 46 40459 6 493161 21 120561 48 37348 o 50 _ L2 398239 2 10 52 3 1918 O 35204 27 912
12. this quickly so that the gauge ends up indicating 0 3 to 0 5Mpa 8 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 20 Service manual 8 6 purging Re installation Nc 2 m Indoor unit ETA liquid al Indoor unit yT z Liquid side Outdoor unit L away valve FS Gas side 1 A 1 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 eave 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
13. 45 5 299 _ 6 25494 33 69814 6 23577 8 225662 35 64002 6 21907 9 21804 36 61306 63 2104 12 187177 9 53969 66 1 8963 14 169341 41 49639 68 1 665 _15 161156 42 4765 6 17055 42
14. D BLUE Y G lt gt 65 AID S CQ 0 D WE AN INDOOR UNIT 10 OUTDOOR UNIT das DOR UNT OUTDOOR UN T FD BAK J C p v P dina x ms FN RD m FAN CAPAC TCR Service manual 7 2 2 Heat pump MSG 09HR QC3 INDOOR 8 STEP i 12345 ud y POWER SUPPLY BROWN E l 2 GREEK ge 1 rl PIPE FINI Ear DCIMPRESEOR RELAY j CN CURRENT DETECTOR TL c TRANSFORMER TO OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT 12246 OVERLOAD Q BLACK RELAY CTBLACK COMPRESSOR RED C BLUE 0 FAN CAPACITOR D COMPRESSOR CAPACITOR 16 MSG 12HR QC2 POWER SUPPLY BLUE BROWN tig Et i Pd d d m ELSI 71 INDOOR UNIT _ OUTDOOR UNIT s OVERLOAD Q BLACK RELAY BLACK COMPRESSOR BLUE 7 Service manual E ARAM COMPRESSOR CAPACITOR
15. Http www mideaaircon com idea Service manual Room airconditioner oplit Wall Mounted Type Applied to MSG 09CR QC3 MSG 09HR QC3 MSG 12CR QC2 MSG 12HR QC2 MSG 18CR QB9 MSG 18HR QB9 NOTE Before servicing the unit please read this at first Always contact with your service center if meet problem 1 1 1 2 2 3 3 1 3 2 4 5 6 6 1 6 2 7 7 1 7 2 8 8 1 8 2 8 3 8 4 8 5 8 6 8 7 8 8 8 9 9 1 9 2 9 3 9 4 9 5 10 10 1 10 2 10 3 10 4 10 5 10 6 10 7 10 8 aeu Content Content PICA Meme 1 Sale dT OC AUTON sus eS aus eS umu mataas eeen 1 AV APNG uu uyu anu M 1 gini Pt 3 DIMENSION uuu uuu Cu ERE EI III ID I 5 OOO a 5 CO OOO HIE I D Rl NC LM t DIL M M 6 7 Refrigerant cycle diagram 9 Operation 1111115 ea 10 EET 10 Heating 0026131011 TRE 10 Schematic diagram and Wiring diagram 11 schematic dI alto utet discat dust dabunt atout ka
16. Indoor fan speed has been out of control for over 1 minute 95 T No over zero signal ox Temp sensor on indoor evaporator is open circuit or short circuit X X x Indoor room temp sensor is open circuit or short circuit Xx EEROM error On x X X Extinguish 4 Flash at 5Hz 38 Service manual 12 3 Diagnostic chart After energizing no indicator is lighted and the air conditioner can t be operated After energizing the air conditioner can not be operated Check if AC 220V power supply outputs to indoor PCB Yes Check if AC 220V exists at the primary coil of transformer 2 71 I Indoor PCB is defective Check if AC 14 5V exists at the secondary coil of transformer Yes No Y Take off the secondary plug of transformer and then check if AC 14 5V exists at the secondary coil of transformer v Ye Indoor PCB is defective Indoor PCB is defective 39 Service manual 12 4 Resetting phenomenon often occurs during operation That is automatically entering to the status when power is on The reason is that the instantaneous voltage of main chip is less than 4 5V Check according to the following procedure Resetting phenomenon often occurs during operation Yes After changing indoor PCB check if the failure realease Yes
17. a 28 PrOISCHONE 2 neerde AR Ss eR 29 FAMON MOOS E 29 ee HN RETE 29 0611 IN OCC EE 30 31 Content 10 9 Defrosting mode available for heating 32 111 O ae 33 10 11 Force cooling fUNCUON uum u usu 34 10 12 SS E 34 10135 Auto PESTON a E er o c 35 KOE 110 1 35 1 iuueni ces u decr eei desi eed eee ae cu ecu aqusapa ua aaa aaa aaa 36 25 SHOUDIESMOONN q RUE 37 12 1 DOA 3 37 12 2 110116 1 oa 38 12 3 m 39 12 4 Resetting phenomenon often occurs during 40 12 5 Operation lamp flashes and Timer lamp off naan 40 12 6 Operation lamp flashes and Timer lamp on 40 12 7 Operation lamp off and Timer lamp flashes 41 12 8 Operation lamp on and Timer lamp flashes enerenersneen enen ensen 41 12 9 Operation lamp
18. ature through the remote controller lasec Self protection amp of compressor continue three seconds until turns off the compressor 15 Self protection amp of compressor continue five minutes until turns off the compressor lean Self protection amp of outdoor fan indoor fans when they change from higher wind to lower wind RESTORE Amp self protection return value THperrost High wind defrosting temperature difference TMberrost Middle wind defrosting temperature difference TLpernosr Low wind defrosting temperature difference TE1 Anti cold wind from Fan Off to Breeze temperature TE2 Anti cold wind from Breeze to Setting Fan Speed temperature Anti cold wind from Setting Fan Speed to Breeze temperature 4 Anti cold wind from Breeze to Fan Off temperature TE5 Evaporator low temperature protection entering temperature TE6 Evaporator low temperature protection restoring temperature Evaporator high temperature protection compressor off temperature Evaporator high temperature protection fan off temperature TE9 Evaporator high temperature protection restoring temperature 10 3 Function Remote receiving Testing and forced running Position set for indoor unit wind vane LED displaying and alarm On or off Timer Protection for the compressor Current protection High temperature protection of indoor heat exchanger at heating mode Auto defrosting and heating recovery at heating mode Anti cold a
19. 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 E For installation always contact the dealer an Authorized service center There is risk of fire electric shock explosion or injury m 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 m Do not let the air conditioner run for a long time when the humidity is very high and a door or a 24 s 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 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 There is risk of fire or electric shock m Do not place a heater or other appliance near the power cable There is risk of fire and electric shock Do not allow water to run into electric parts It may cause fire failure of the product or electric shock Do not st
20. esn t delay in dehumidifying mode 10 8 2 Generally the outdoor fan is turned off with the on off action of compressor in heating mode except for the defrosting mode or the end of defrost 10 8 3 Action of compressor and outdoor fan motor at heating mode compressor must run for 7 minutes after starting and then judge temperature Meanwhile other protections are still valid Compressor and outdoor fan off Room temp down Room temp up Compressor and outdoor fan on Ts Ts 2 Ts 3 T This parameter can be changed from 0 to 3 10 8 4 Indoor Fan actions at heating mode Indoor Fan can be set at HIGH MID LOW AUTO by using a remote controller but Anti cold wind function prevails Anti cold wind control function at heating mode T indoor exchanger temp 31 Service manual Setting fan speed Breeze T temp down T temp up 4 TE3 TE2 T 10 8 5 Auto wind at heating mode T indoor temp Med fan Room temp down Room temp up High fan 0 2 T Ts 10 8 6 Indoor evaporator high temperature protection at heating mode T indoor exchanger temp Compressor off Fan off Compressor on Fan off Compressor on Fan on 9 8 T 10 8 7 The louver opens to Standard Angle ANGLHEAT when power is on for the first time 10 9 Defrosting mode available for heating mode Defrosting condition Defro
21. flashes Timer lamp flashes 41 13 Characteristic of temperature sensor 42 Service manual 1 Precaution 1 1 Safety Precaution To prevent injury to the user or other people and property damage the following instructions must be followed Incorrect operation due to ignoring instruction will cause harm or damage Before service unit be sure to read this service manual at first 1 2 Warning Installation Do not use a defective or underrated circuit breaker Use this appliance on a dedicated circuit There is risk of fire or electric shock 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 E 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 fore or electric shock 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 Be
22. ir at heating mode 28 Service manual Anti frozen at cooling mode 10 4 Protection 10 4 1 3 minutes delay at restart for compressor 10 4 2 Sensor protection at open circuit and breaking disconnection 10 4 3 Fan Speed is out of control When Indoor Fan Speed is too high higher than High Fan 300RPM or too low lower than 400RPM the unit stops and LED displays failure information and can t returns to normal operation automatically 10 4 4 Cross Zero signal error warning If there is no Cross Zero signals in 4 minutes the unit stops and LED displays failure information and can t returns to normal operation automatically 10 4 5 The current protection of the compressor Current down 3sec Compressor turn off after 5 second later 5min Compressor turn off Current up after 5 minute later fan The outdoor fan turn off heating restore The indoor fan turn Indoor fan On low speed cooling compressor On outdoor fan On If compressor turns off for continuously 4 times due to current protection in 5 minutes from Compressor On the unit stops and LED displays failure information and can t returns to normal operation automatically 10 5 Fan only mode Fan speed is high mid low Auto 10 6 Cooling mode The 4 way valve is closed at cooling mode The action of the compressor and the outdoor fan T indoor temperature 29 Service manual Compressor on outdoor fan on Room temp down Room temp up Compressor
23. itions However excludes the initial pull down stage 6 2 Heating operation Indoor air temp C DB Outdoor unit air temp C DB Note The chart is the result from the continuous operation under constant air temperature conditions However excludes the initial pull down stage 10 Service manual 7 Schematic diagram and Wiring diagram 7 1 ochematic diagram TIL 3 ETT TESTIT Ste quet inii 8717 LEERT CE KEIDaGWTLY 5 H A RES BET TERSA LEREN teit SRR HAE SEN TA c EE E ik AEST ze 11 Service manual 7 2 Wiring diagram 7 2 1 Cooling only MSG 09CR QC3 POWER SUPPLY RLUE 33 4 uL LX OO p mu PIPE TEMPERATURE COMPTES lE d JX 9 amp 1 M 5 i TRANSFORNER 9 9 9 9 59 NDOOR UNIT TO OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT saret eeen de uu RED OVERLOAD RELAY CTBLACK FAN MOTOR i FAN CAPACITOR ao meus CAPACITOR MSG 12CR QC2 POWER SUPPLY INDOOR UNIT _ OUTDOOR UNIT BLUE Service manual FAN COMPRESSOR CAPACITOR MOTOR FAN CAPACITOR MSG 18CR QB9 Service manual BOND SPLAY BOAR
24. k of electric shock m When the product is 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 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 m Keep level even when installing the product To avoid vibration of water leakage m 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 Use two or more people to lift and transport the product Avoid personal injury 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 Operational B 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 B Do not use the product for special purposes such as preserving foods works of art etc It is a consumer air conditio
25. ner not a precision refrigerant system There is risk of damage or loss of property m Do not block the inlet or outlet of air flow It may cause product failure E 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 Do not touch the metal parts of the product when removing the air filter They are very sharp There is risk of personal injury B Do not step on pr put anything on the product outdoor units There is risk of personal injury and failure of product 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 object through air inlet or outlet while the product is operated There are sharp and moving parts that could cause personal injury m 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 maintaining the product Be careful and avoid personal injury 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 Do not recharge or disassemble the batteries Do not dispose of batteries in a fire They may bu
26. not sufficient wait approximately 1 minute and then repeat the procedure pumping down pin 4 Immediately disconnect the charge hose from the 3 way valve s service port Stopping partway will allow the refrigerant to be discharged f the system has been charged with liquid refrigerant while operating the air conditioner turn off the air conditioner before disconnecting the hose 5 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 24 Service manual 9 Capacity table 9 1 MSG 09CR QC3 OUTDOOR TEMPERATURE DRY el e we oe 21 C D Total capacity kW 15 W Sensitive capacity kW Input kW 066 949 072 978 1 087 090 24 D Total capacity kW 17 W InputkW 068 072 0 75 081 090 093 27 CD TotalcapacitykW 288 2 75 260 246 229 211 a f 1 29 fans ii tar 32 C D 23 C W 0008 073 0 77 0 80 086 06 09 92 MSG 09HR QC3 OUTDOOR TEMPERATURE DRY emaren SERERE RES 21 D puk 066 069 072 078 087 090 24 D ose 072 07 030 033 27 CD TotalcapacitykW 2 88 2 75 260 246 229 211 19 CW Sensitive capacity KW 219 2 12 2 03 1 93 180 167 32 C D 239 W 0 73 0 77 0 80 06 096 WINTER OUTDOOR CONDITIONS Indoor
27. off outdoor fan off 0 1 T Ts Auto fan at cooling mode High fan Mid fan j Room temp down Room temp up Low fan 1 3 5 T Ts Anti freezing control to indoor evaporator at cooling mode T evaporator temp Compressor and outdoor fan on EVAP temp down EVAP temp up Compressor and outdoor fan off after 5 mins TEG T 10 Dehumidifying mode 10 7 1 The 4 way valve is off in dehumidifying mode 10 7 2 Compressor and Indoor Fan actions in dehumidifying mode C B A 0 2 TA TS 30 Service manual Compressor and Outdoor Fan LOW 656 BREEZE OFF 4minutes LOW JON 5minutes BREEZE OFF 5minutes C LOW ON 4minutes BREEZE OFF 6minutes Repeat on and off cycle 10 7 3 Low room temperature protection When room temperature decreases to below 10 C compressor and outdoor fan will stop indoor fan is Breeze Dehumidifying operation will be resumed when room temperature restores to over 13 10 7 4 At dehumidifying mode the anti freezing function of the indoor heat exchanger is the same as that of cooling mode 10 7 5 At dehumidifying mode the action of fans of indoor is the same as that of air only mode 10 8 Heating mode 10 8 1 Generally the 4 way valve is open in heating mode but it is closed in defrosting mode 4 way valve must delay 2 minutes compared with compressor if the compressor changed into non heating mode or turned off 4 way valve do
28. ore or use flammable gas or combustible near the product There is risk of fire or failure of product m Do not use the product in a tightly closed space for a long time Oxygen deficiency could occur m 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 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 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 Do not open the inlet grill of the product during operation Do not touch the electrostatic filter if the Service manual 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 m 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 Turn the main power off when cleaning or maintaining the product There is ris
29. ost mode Auto restart function Flexible wiring connection Easy clean panel Service manual Outdoor unit Power relay control The unit has 3 mins delay between continuously ON OFF operations Low ambient kit The unit can operate in cooling mode at low ambient temperature conditions 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 Discharge pipe temperature protect Anti rust cabinet Made from electrolytic zinc steel sheet and anti rust coated components Valve protection It protects the valves and prevents water from dripping Service manual 3 Dimension 3 1 Indoor unit m S 18K 96 286 235 Service manual 3 2 Outdoor unit Service manual 4 Specification Mod MSG 09CR QC3 MSG 09HR QC3 MSG 12CR QC2 Cooling Capacity 2300 k emo lili WIL 90 E D Rated current A 2 COB 1 99 Maxcurn 6 6 7 O Mode 2P159225ANH 2 165225 PH200X2C 4FT3 _ Tye Brnd Matsushita Matsushita To
30. pump to the charge set s centre hose 2 Evacuation for approximately one hour s 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 charge set turn off the vacuum pump and confirm that the gauge needle does not move approximately 5 minutes after turning off the vacuum pump 4 Disconnect the charge hose from the vacuum pump Vacuum pump Oil if the vacuum pump oil becomes dirty or depleted replenish as needle 23 Service manual 8 9 Gas charging y pn em Indoor unit E mele Outdoor unit 5 rw 7 TZ Gas ido 1 m Check valve y 3 way 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 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 Open the valves Low side on the charge set and charge the system with liquid refrigerant f the system cannot be charge with the specified amount of refrigerant if be charged with a little at a time approximately 150g each timeO while operating the air conditioner in the cooling cycle however one time is
31. rn 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 Service manual 2 Function Operation ON OFF by remote controller Sensing by room temperature Room temperature sensor Pipe temperature sensor Room temperature control Maintain the room temperature in accordance with the setting temperature Starting temperature control Indoor fan is delayed for 5 sec at the starting Time Delay Safety control Restarting is for approx 3 minutes Indoor fan speed control High med low breeze Operation indication Lamps LED Light up in the LED LCD for each operation mode Two direction air vane The unit will decide the louver direction according to operation mode Sleep mode auto control The fan is turn to low speed cooling heating The unit will be turn off after seven hours Independent dehumidification The function is usually used in rainy days in springtime or damp areas Self diag function The function will be operate in any operation Air flow Direction control The louver can be set at the desired position or swing up and down automatically Auto mode The unit can be change by the room temperature Anti cold function Prevent the cold wind at the beginning of unit start Temp Compensation Defr
32. shiba C put ompressor Thermal protector B160 150 241H 165 150 241 UP3RE0591 T56_ Eq 5 E Refrigerant oil Brand WELING WELLING WELLING Mod YDK246F YDK24 6F 0 246 Brand WELLING Refrigeranttype R22 1050 100 4300 Operation temp c 17 30 17 30 17 30 Ambient temp a 18 45 18 45 Application area 14 21 14 21 18 26 Note The noise date is base on hemi anechoic chamber during actual operation these values are normally somewhat different as a result of ambient condition The above design and specifications are subject to change without prior notice for product improvement Service manual Model MSG 2HR QC2 MSG ISHR QBS Cooling Capacity W X 360 OO imut o w 49050 AD 480 Rated current A 46 80 co J WW 2343 23830 Max current A h7 AH m qm ee NE Model 200 2 4 _ PH310X2CS 4KU3 PH310X2CS 4KU3_ Type Brand Toshiba GDToshba GD Toshiba C ompressor Locked rotor A 216 3 3 Thermal protector UP3REO591 T56 Internal __ Internal Capacitor u 3 3 3 Refrigerantol 1 m 480 X750 75 Model RPG20D RG RG WELING WELLING WELLING Mod YDK246F 0 5366
33. sting starts when either of the following 8 amp 0 D A and B are satisfied A The compressor keeps running for 40 minutes or more B The temperature difference of evaporator and room temperature meets one of the following 222 Service manual Breeze Low fan Med fan High fan TL def TM def TH def TA TS 2 Calculate from the end of latest defrost evaporator high temp Protection only closes outdoor fan with the compressor still running Add up to 90 minutes Defrosting time At condition CD If item B is satisfied before item A it would be regarded as severe frosting and the defrosting time is 10 minutes If item B is satisfied after item A the defrosting time is 6minutes At condition 2 the defrosting time is 10 minutes After three times continuous 6 minute defrost the fourth defrost time should be 10 minutes The circulation is as following 6 minutes 6 minutest 6 minutes 10 minutes defrost defrost defrost defrost Ending condition of defrosting If one of following conditions is satisfied end the defrost and turn into heating mode A The defrost time has reached to 6 or 10 minutes The compressor current has reached to or above differs in different models Defrosting Actions g Defrost 10 or 6 minutes Compressor ZIET 4 5s 4 way valve P lt
34. 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 21 Service manual 8 7 Balance refrigerant of the 2 way 3 way valves Indoor unit y n 2 YET r Outdoor unit E aoe valve ES E A way valve L 14 EU zh 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 1 Mpa f there is no air in the refrigeration cycle the pressure when the air conditioner is not running is higher than 0 1 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 sill be discharged 299 Service manual 8 8 Evacuation Outdoor unit En a as e 2 way 1 FI Vacuum pump Procedure 1 Connect the vacuum
Download Pdf Manuals
Related Search