old outdoor
Contents
1. 4 nennen 16 the E t 16 Pipe length and the elevation nnn ennereennenenneenensereennenennereensereenenenneneennereenenenneneenn 16 Air purging of the piping and indoor unit nnee nennneneneeeeennenennnereneeneenenenenerenveneenn 18 Pumping down Re installation 19 Re air purging Re installation sessi 20 Balance refrigerant of the 2 way 3 way valves 21 SPE GEO EEE aA a LEA 22 Gas 5255242 eee GR LU ULL KE 23 Pressure tables 24 07 dee et 24 ISO Luse t dees d 24 24 MSC OAR N a at ce eect 25 2 vcr teet tte t bu a in eon es 25 nd ceu E DL AL te E E 25 EE ee ae 26 eei cette Ita 26 apacity table Nc 27 TG utis utu EE isc 27 MSG DZEB2. VIN Liquid le Outdoor unit way valve e ax E Gas side amd mn N P gt gt Close TT 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 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 Service manual 8 6 Re air purging Re installation Charging cylinder Procedure 1 Confirm that both the 2 way and 3 way valves are set to the closed position 2 Conne
3. a Check valve l m en m valve N 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 can be charg 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 conditione 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 23 ed 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 r turn off the air Service manual 9 Pressure table Note The pressure data is from 3 way valve the pressure data are pressure above atmospher
4. mh 1050 i T 0 gt 1 5uF 450V 1 5UF 450V 1220 1000 800 1220 1000 800 1180 1080 800 1180 1080 800 0 580500020 EE YDK24 6F Weling Te 5 95 es es ds so eo so eo 2000 1 8 6 3 4 3 44 2 15uF 450V 5 5 5 3 5 44 6 5 1 7 8 0 i m 1720 17 80 17 30 17 30 1845 18 45 Application area 18 26 18 26 28 40 28 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 gt Cooling only LIQUID SIDE lt DK UU CAPILLARY TUBE HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER GAS SIDE COMPRESSOR Heat pump mode INDOOR UNIT OUTDOOR UNIT A CHECK VALVE LIQUID SIDE Heating Model only Ww aa 0090 i CAPILLARY TUBE 2 WAY VALVE HEAT EXCHANGE EXCHANGE EVAPORATOR CONDENSER GAS SIDE REVERSING VALVE Heating Model Only COOLING HEATING VALVE COMPRESSOR Service manual 6 Operation limits 6 1 Cooling operation Outdoor unit air temp C DB 45 40 Dry Cooling 35 30 25 20 I
5. Heating mama A op CE js 36 Staring current Mode Rotary Brand TOSHIBA Capacity h 9000 NR 920 Thermal protector MRA13408 9087 MRA13408 9087 MRA13430 9087 MRA13430 9087 Model mom mom mam Brand wam wam wem wam ae O vorser vorser vorser voor pau waw wam Welling Femgeamwpe RMON 80 om Maine ___ m 8 8 gt gt 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 MSC 2CRN Capacity Bum 1200 1090 5 EER input Capacity Rated current EER Capacity In Rated current COP 13000 put 1050 OND Ratedcuren PA140X2C 4FT Btu h W W 3 PA140X2C 4F ee es PA200X2CS 4KU1 PA200X2CS 4KU1 rotary TOSHIBA TOSHIBA W 12000 12000 16910 16910 3 1200 1200 1720 1720 5 ENE 295 7 8 11 7 0 30 7 5 PaRE0601 T65 UPGREOSOI TSG 3 5 53 6 3 5 800 52 48 VG74 750 VG74 750 RPG13D RPG13D RPG28D RPG28D Welling Welling Welling Welling Indoor fan r min mah dB A W uF r min mah
6. 88 91 92 10 0 10 5 Heating mode 129 2 7 C D 15 D Indoor Conditions Pressure 11 z x C W 3 3 i 15 C Pressure kg cm 18 C Pressure kg cm 20 C Pressure kg cm 22 C Pressure kg cm 9 5 MSC 12CRN1 Cooling mode Outdoor temperature Dry bulb temp Indoor Conditions Pressure 30 C 35 C 40 C 45 C 21 C D15 C W Pressure kg cm 8 4 8 5 8 8 8 9 9 4 24 C 017 W Pressure kg cm 8 6 8 8 9 2 9 4 10 0 27 C D19 C W Pressure kg cm 8 8 9 2 9 4 9 8 10 3 9 2 9 6 9 9 10 4 10 8 32 C D23 C W Pressure kg cm 9 6 MSC 12HRN1 Cooling mode Outdoor temperature Dry bulb temp Pressure 25 30 35 C 40 C 45 Pressure 84 85 88 89 94 Pressure kg cm 86 88 92 9 4 10 0 Pressure kg cm 88 9 2 94 98 10 3 Pressure kg cm 9 2 96 9 9 10 4 108 OUTDOOR CONDITIONS 12 C D 7 2C D 7 C D 159C D Pressure 11 C WIG 9 W Pressure a Pressure 2 Pressure Para Pressure kgiom 29 8 272 302 291 324 304 25 9 7 MSC 18CRN1 Cooling mode 21 C D15 C W 24 C D17 C W 27 C 019 W 32 C D23 C W 9 8 MSC 18HRN1 26 Cooling mode 21 C D15 C W 24 C D1
7. 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 air conditioner not a precision refrigerant system There is risk of damage or loss of property B Do not block the inlet or outlet of air flow It may cause product failure B Use a soft cloth to clean Do not use harsh detergents solvents etc There is risk of fire electric shock or damage to the plastic parts of the product 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 B Do not step on pr put anything on the product outdoor units There is risk of personal injury and failure of product 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 B Do not drink the water drained from the product It is not sanitary could cause serious health issues B Use a firm stool or ladder when cleaning or 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 n
8. 5 0 5 124 20 23 26 p el 28 po eel Hs p ml 20 Service manual 13 Troubleshooting 13 1 Display board Signal receptor AUTO indicator This indicator illuminates when the air conditioner is in AUTO operation 2 DEFROST 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 oper ation 3 TEMPERATURE indicator Displays the temperature settings when the air conditioner is operational 4 OPERATION indicator This indicator flashes after power is on and illuminates when the unit is in operation 5 TIMER indicator This indicator illuminates when TIMER is set ON OFF 13 2 Troubleshooting i Operation Timer Failure phenomenon lamp lamp Indoor fan speed has been out of control for over 1 minute cuc X X Extinguish x Flash at 5Hz Ww 40 Service manual 13 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 Indoor PC
9. UL Standards BLACK WHITE GREEN 2 The Functions In The Rectangle Are Available For Particular Air condition INDOOR U NIT OUTDOOR UNIT 1 2003 40 Y amp G BLUE Y amp G 4 VAY BLUE BLACK RED RED SN RED MOTOR BLUE BLUE COMPRESSOR CAPACITOR FAN CAPACITOR Service manual 7 2 3 MSC 18CRN1 4 ma 1 14 I L Ls 1 T RS e e de ae e I ap F Aml Pp p uu TO OUTDOOR UNIT L The Color Of Power Supply Cord L N E Measures Up To The IEC Standards BROWN BIUE Y G Or The UL Standards BLACK WHITE GREEN 2 The Functions In The Rectangle re Available For Particular Air condition NOTES DOR UN T CUTDOCR UN T Y8G RED BLACK OERD BA BAK A FAN ETS MOTOR pen E R c YI TE BLUE CAPAC TCR FAN CAPACI TCR Service manual 7 2 4 MSC 18HRN1 the Color Of Power Supply Card L Ns pg Up To The IEC Standards BROWN Y G Or The UL Standards BLACK WE 2 The Functions In The Rectangle Are Elks For Particular Air condition T A OR GREEN n d LL n K
10. lamp Orio score eee eee 42 13 7 Operation lamp off and Timer lamp flashes northern rn Ru 43 13 8 Operation lamp on and Timer lamp 43 13 9 Operation lamp flashes Timer lamp flashes 43 14 Characteristic of temperature 44 Service manual 1 Precaution 1 1 Safety Precaution B To prevent injury to the user or other people and property damage the following instructions must be followed B Incorrect operation due to ignoring instruction will cause harm or damage Before service unit be sure to read this service manual at first 1 2 Warning gt 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 E For electrical work contact the dealer seller qualified electrician or an Authorized service center Do not disassemble or repair the product there is risk of fire or electric shock 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 W Always install a dedicated circuit and breaker Improper wiring or installation may cause fore or electric shock E Use the correctly rated breaker of fuse There is risk of fire or electric shock W Do not m
11. temp down Room temp up Med fan M Ji 0 2 T Ts 11 7 6 Indoor evaporator high temperature protection at heating mode T indoor exchanger temp Compressor off Fan off Compressor on Fan off Compressoror Fan on gt TES TE7 T 11 7 7 louver opens to Standard Angle ANGLHEAT when power is on for the first time 11 8 Defrosting mode available for heating mode 11 8 1 Defrosting condition Defrosting starts when either of the following 040 Aand 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 Med fan High fan Breeze Low fan TLdef TMdef TH def TATS Q 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 11 8 2 Defrosting time At condition 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 7 5minutes At condition the defrosting time is 10 minutes 35 Service manual After three times continuous 7 5 minute defrost the fourth defrost time should be 10 minutes The circulation is as following 7 E minutes 7 minutes 7 E minutes 10 minutes defrost defrost defrost defro
12. 12 18 C Capacity kW 4 38 4 248 3 954 3 761 2 948 Input kW 1 188 1 153 1 142 1 082 0 918 20 Capacity kW 4 261 4 1 3 877 3 683 2 871 Input kW 1 224 1 14 1 129 1 082 0 941 29 Service manual Capacity kW Input kW 10 7 MSC 18CRN1 SUMMER OUTDOOR TEMPERATURE DRY Indoor Conditions 50 C 21 C D Total capacity kW 3 932 sew Sensitive capacity kW 3 131 Input kW 2 006 Total capacity kW 4 398 17 W Sensitive capacity kW 3 501 Input kW 2 051 27 C D Total capacity kW 5 790 5550 5 250 5057 4 823 4 688 iow Sensitive capacity KW 3 629 Input KW 2 189 32 C D Total capacity KW 4 970 den Sensitive capacity kW 3 755 Input kW 2 183 10 8 MSC 18HRN1 SUMMER OUTDOOR TEMPERATURE DRY 25 30 35 40 45 50 Total capacity kW 4 914 4 781 4 658 4 232 4 119 3 932 Sensitive capacity kW 3 851 3 686 3 620 3 431 3 315 3 131 Input kW 1 335 1 515 1 623 1 782 1 865 2 006 Total capacity kW 5 495 5 255 4 973 4 722 4 614 4 398 Sensitive capacity kW 4 377 4 149 4 088 3 836 3 680 3 501 Input kW 1 373 1 550 1 682 1 842 1 917 2 051 Total capacity kW 5 790 5 550 5 250 5 057 4 823 4 688 Sensitive capacity kW 4 559 4 370 4 248 3 968 3 851 3 629 Input kW 1 416 1 572 1 720 1 880 1 968 2 139 Total capacity kW 6 323 6 150 5 768 5 402 5 252 4 970 Sensitive capacity kW 4 680 4 409 4 337 4 073 3 884 3 755 Input kW 1 454 1 632 1 824 1 953 2 024 2 183 WINTER OUTD
13. 25 2 1907 2 1124 2 0373 1 9653 1 8963 1 830 1 7665 1 7055 1 6469
14. 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 oil sill be discharged 21 Service manual 8 8 Evacuation ani Outdoor pr 2 way valve Gas side 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 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 22 Service manual 8 9 Gas charging Outdoor unit Indoor unit Liquid side 24 ILLA N rad um valve me i y e 4 UNT NN SESE 2 AUZZ I Open F Charging DE cylinder 54
15. 7 C W 27 C D19 C W 32 C D23 C W Indoor Conditions Indoor Conditions Service manual Pressure Pressure kg cm 2 Pressure kg cm 3 Pressure kg cm Pressure kg cm Pressure Pressure kg cm 2 Pressure kg cm e Pressure kg cm Pressure kg cm Heating mode 12 C D Indoor Conditions Pressure 119 Pressure kg cm Pressure 2 C 1 Pressure kg cm 2 25 C 8 5 8 7 8 9 9 3 Outdoor temperature Dry bulb temp 25 C 8 5 8 7 8 9 9 3 30 C 8 6 8 9 9 2 9 7 30 C 8 6 8 9 9 2 9 7 35 8 9 9 3 9 5 9 9 35 8 9 9 3 9 5 9 9 Outdoor temperature Dry bulb temp 40 C 9 0 9 5 9 9 10 5 40 C 9 0 9 5 9 9 10 5 OUTDOOR CONDITIONS WI6 C W 1 C WI 28 2 30 6 31 2 3 3 7 C D 27 0 29 9 1 1 Service manual 10 Capacity table 10 1 MSC 07CRN1 Total capacity kW 21 C D 15 C Sensitive capacity kW Input kW Total capacity kW Sensiti ity kW 17 W ensitive capacity Input kW Total capacity kW Sensitive capacity kW Input kW Total capacity kW Sensitive capacity kW Input kW 10 2 MSC 07HRN1 Total capacity kW Sensiti ity kW 15 C ensitive capacity Input kW Total capacity kW Sensiti ity kW 17 W ensitive c
16. AKKEN AST uxt HE e ENR omen 8 Installation details 8 1 Wrench torque sheet for installation Outside diameter 6 35 99 52 8 2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet Service manual Capacity Pipe size Standard Max Max Pipe Additional Btu h GAS LIQUID length m ElevationB m lengthA m refrigerant g m 3 8 1 4 07k 09K 5 10 30 9 52 6 35 1 2 1 4 5 10 30 12 7 6 35 1 2 1 4 5 15 30 12 7 6 35 Service manual Indoor unit In case that Indoor unit more than 5m 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 Service manual 8 4 Air purging of the piping and indoor 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 refriger
17. ARD INDOOR UNIT TO OUTDOOR UNIT NOTES 1 Color Of Power Supply Cord L E Measures Up To The IEC Standards BROWN BIUE Y G Or The UL Standards BLACK WHITE GREEN 2 The Functions In The Rectangle Are Available For Particular Air condition INDOOR UNIT OUTDOOR UNIT Y amp G BLACK OVERLOAD RED RED COMPRESSOR RED FAN MOTOR BLUE Y COMPRESSOR CAPACITOR FAN CAPACITOR Service manual 7 2 2 MSC 07HRN1 MSC 09HRN1 MSC 12HRN1 on BLACK E EN E amp POWER SUPPLY BLUE OR WHITE 5 B 1 g lt 2 2 5 Y G OR GREEN mi 9 04 2 BLACK RED CURRENT DETECT oo S CN15 BLACK COMPRESSOR RELAY TRANSFORMER YELLOW oNi3 1 024 02 N ONS BUE CN16 CN7 O 13 2 g 14 RED BLACK EFA e PLASMA 0 LU MIRCO SWITCH OXYGEN 111203 4 ENRICHMENT DISPLAY BOARD INDOOR UNIT TO OUTDOOR UNIT NOTES 1 The Color Of Power Supply Cord L N E Measures Up To The IEC Standards BROWN Y G Or The
18. B is defective Check if AC 14 5V exists at the secondary coil of transformer Yes Nc Take off secondary plug of transformer and then check if AC 14 5V exists at the secondary coil of transformer v Yes Indoor PCB is defective Indoor PCB is defective 41 Service manual 13 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 operatior Yes Y After changing indoor PCB check if the failure realease Yes Y Indoor PCB is defective After changing indoor fan motor check if the failure realease YES Power supply circuit has problems 13 5 Operation lamp flashes and Timer lamp off Is connector connection gooc Is voltage being applied to the fan motor Yes Fan motor is defective 13 6 Operation lamp flashes and Timer lamp on Is connector connection gooc Replace the sencor 42 Repair the connector Service manual 13 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 The voltage of power supply is too low les
19. Cover Http www mideaaircon com Midea Service manual Room airconditioner Split Wall Mounted Type Applied to MSC 07CRN1 MSC 07HRN1 MSC 09CRN1 MSC 09HRN1 MSC 12CRN1 MSC 12HRN1 MSC 18CRN1 MSC 18HRN1 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 9 6 9 7 9 8 10 10 1 10 2 Content Content Precaution NN ee 1 Stek wg 1 Warming wiedendunnnineie eens dane ODD CU OO DOO OEC RO RR 1 UIC UO I err nnen nen rete derden erneer 3 Dimension ge 5 t 5 Outdoor UNM a 5 SPENN 6 Refrigerant cycle 8 Opera tiom S aiios cia 9 Cooling operation onm t a eee 9 Heating operato ie i iniu EUR denn OU ERE 9 Schematic diagram and Wiring diagram rnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnneer 11 11 Wiring OO o o ORCI EOD 12 Installation EXEC E RE IRE 16 Wrench torque sheet for
20. DTA4 eee 27 Content 10 3 MR 28 10 4 MSC OSMRINT NE 28 10 5 MSC 12CGFN Lunnan 29 10 6 MSGSTABRINT oenen 29 10 7 MSC TEEN EE 30 10 8 NE ME 30 The aerar nanea aeara raean aranarak araeo riean S 31 11 1 Proper symbols and their meaning 31 11 2 EUACHOM e EE 31 11 3 POLS CON rete C E TEM C Mr MU URS 31 11 4 Fan only mode oo kreerte EROR eee 32 11 5 siste cdit 32 11 6 Dehumidifyng mode arsen 33 11 7 Heating resa 34 11 8 Defrosting mode available for heating 35 11 9 Auto moder aa 36 11 10 Force coolirig TUNCHON tiere inh 36 11 11 See NE c D E 37 TE 12 Auto restart nen CORO OO 37 VATS Turbo mMOd uiid gU O So OUO UPC OI UO OU ORE 37 10 14 PLASMA oer ekte 37 11 15 Aniont optional nnn eneen tant 37 12 Model and 4 39 13 bob TONGA 40 13 1 Display Board sene NTS 40 13 2 Troubleshooting rotate eene benee ee eb ee 40 13 3 Diagnostic Chart nennen nanne 41 13 4 Resetting phenomenon often occurs during 42 13 5 Operation lamp flashes and Timer lamp off 5 ese 42 13 6 Operation lamp flashes and Timer
21. OOR CONDITIONS 12 C D 7 CD 4 C D 11 6GCW 3 C W Capacity kW 6 669 6 396 6 198 Indoor Conditions 15 C Input kW 1 712 1 659 1 589 18 Capacity kW 6 570 6 372 5 931 Input kW 1 782 1 730 1 713 Capacity kW 6 392 6 150 5 816 20 C u Input kW 1 836 1 780 1 694 30 Service manual Capacity kW Input kW 11 Electronic function 11 1 Proper symbols and their meaning TA Indoor ambient temperature TE Indoor evaporator temperature TS Setting temperature through the remote controller Self protection amp of compressor continue three seconds until turns off the compressor Self protection amp of compressor continue five minutes until turns off the compressor Iran Self protection amp of outdoor fan indoor fans when they change from higher wind to lower wind Amp self protection return value THperrosrt High wind defrosting temperature difference TMberrost Middle wind defrosting temperature difference TLperrost 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 TE4 Anti cold wind from Breeze to Fan Off temperature TE5 Evaporator low temperature protection entering temperature TE6 Evaporator low temperature protection restoring temperature TE7 Evaporato
22. OOR TEMPERATURE DRY 25 30 35 40 45 50 Total capacity kW 3 276 3 187 3 105 2 821 2 746 2 621 Sensitive capacity kW 2 567 2 457 2 413 2 287 2 21 2 087 Input kW 0 89 1 01 1 082 1 188 1 243 1 337 Total capacity kW 3 663 3 503 3 315 3 148 3 076 2 932 Sensitive capacity kW 2 918 2 766 2 725 2 557 2 453 2 334 Input kW 0 915 1 033 1 121 1 228 1 278 1 367 Total capacity kW 3 86 3 7 3 5 3 371 3 215 3 125 Sensitive capacity kW 3 039 2 913 2 832 2 645 2 567 2 419 Input kW 0 944 1 048 1 1 1 253 1 312 1 426 Total capacity kW 4 215 4 1 3 845 3 601 3 501 3 313 Sensitive capacity kW 3 12 2 939 2 891 2 715 2 589 2 503 Input kW 0 969 1 088 1 189 1 302 1 349 1 455 3187 Total capacity kW 3 276 3 187 od ti ms ty kW 2 567 2 457 ensitive capaci 15 C W P y 7 10 6 MSC 12HRN1 Indoor 25 Conditions 5 Total capacity kW 3 663 663 3 503 503 pe 5 iti a ity kW 2 918 2 766 EN ensitive capacity Input kW 0 915 1 033 TotalcapacitykW capacity kW 3 86 86 nM Sensiti mE ity kW 3 039 2 913 done w ensitive capacity Input kW 0 944 1 048 Total capacity kW 4 215 E X dl mcm 2 939 adici ensitive capacity Input kW 0 969 1 088 WINTER OUTDOOR CONDITIONS ind orGondiions 12 C D 7 CD 4 C D 0 C D 7 C D 11 CW 6CW 3CW 1CW 8 C W 15 C Capacity kW 4 446 4 264 4 132 3 838 3 305 Input kW 1 141 1 106 1 059 1 035 0 8
23. apacity Input kW WINTER OUTDOOR CONDITIONS mabor CORGHIONS 12 C D 7 CD 4 CD 0 C D 4 C D 11 CW 6 CW 39 C W 1 CW 6 C W 15 C Capacity kW 3 01 2 73 2 47 1 76 1 65 Input kW 0 76 0 66 0 6 0 58 0 5 18 C Capacity kW 2 86 2 64 2 34 1 69 1 53 Input kW 0 78 0 67 0 62 0 59 0 62 20 Capacity kW 2 77 2 31 2 22 1 62 1 59 Input kW 0 81 0 65 0 64 0 59 0 53 22 C Capacity kW 2 61 2 23 2 13 1 58 1 26 27 Service manual Input kW 0 83 0 68 0 65 0 6 0 56 0 51 10 3 MSC 09CRN1 Total capacity kW Pute Sensiti ity kW 15 C W ensitive capacity Input kW Total capacity kW Sensiti ity kW 17 C W ensitive capacity Input kW 10 4 MSC 09HRN1 Total capacity kW ener Sensiti ity kW 15 C W ensitive capacity Input kW Total capacity kW xu Sensiti ity kW 17 C W ensitive capacity Input kW Total capacity kW Sensiti ity kW 19 C W ensitive capacity Input kW Total capacity kW Sensitive capacity kW Input kW WINTER OUTDOOR CONDITIONS 12 D TC D 4 0 4CD 7CD 2 Capacity kW 375 197 1 59 1 52 Input kW 0 97 0 65 0 62 0 63 18 Capacity kW 3 52 1 84 1 6 1 49 Input kW 0 98 0 7 0 65 0 68 20 C Capacity kW 3 41 1 82 1 56 1 5 Input kW 1 02 0 74 0 68 0 67 22 C Capacity kW 3 11 1 73 158 142 Indoor Conditions 28 Service manual Input kW 10 5 MSC 12CRN1 SUMMER OUTD
24. ation cycle Indoor unit YT C 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 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 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
25. ct 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 leakage 20 8 7 Procedure Service manual Balance refrigerant of the 2 way 3 way valves Indoor unit Y Liquid side Outdoor unit BY Open 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
26. e D Dry bulb temp W Wet bulb temp 9 1 MSC 07CRN1 Cooling mode Outdoor temperature Dry bulb temp Indoor Conditions Pressure 25 C 30 C 35 40 C 45 C 50 C 21 C D15 C W Pressure kg cm 6 2 6 7 7 2 8 0 8 5 9 4 24 C D17 C W Pressure kg cm 6 3 6 5 7 5 8 1 8 7 9 5 27 C 019 W Pressure kg cm 6 1 6 8 7 7 8 2 9 0 10 0 32 C 23 W Pressure kg cm 7 0 7 3 7 8 8 4 9 2 10 1 9 2 MSC 07HRN1 Cooling mode Indoor Conditions Pressure 21 C D15 C W Pressure kg cm 24 C D17 C W Pressure kg cm 27 C D19 C W Pressure kg cm 32 C D23 C W Pressure kg cm Indoor Conditions Pressure 12 C D 7 C D CD D 15 D 0 A 62 N 15 C Pressure kg cm 21 0 18 C Pressure 20 C Pressure kg cm 22 C Pressure kg cm 9 3 MSC 09CRN1 Cooling mode Indoor Conditions Pressure 21 C D15 C W Pressure kg cm 24 C D17 C W Pressure kg cm 27 C D19 C W Pressure kg cm 32 C D23 C W Pressure kg cm 24 Service manual 9 4 MSC 09HRN1 Cooling mode Outdoor temperature Dry bulb temp Indoor Conditions Pressure 30 C 35 C 40 C 45 C 21 C D15 C W Pressure kg cm 78 8 1 8 4 9 0 9 3 24 C D17 C W Pressure kg cm 7 9 8 2 8 7 9 0 9 5 27 C D19 C W Pressure kg cm 8 0 8 5 9 2 9 9 10 2 32 C D23 C W Pressure kg cm
27. eed 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 11 4 Fan only mode Fan speed is high mid low Auto 11 5 Cooling mode The 4 way valve is closed at cooling mode The action of the compressor and the outdoor fan T indoor temperature Compressor or outdoor fan on Room temp down Room temp up Compressor off outdoor fan off 0 1 T Ts 32 Service manual Auto fan at cooling mode High far Mid far Room temp down Room temp up Low far 1 3 5 T Ts Anti freezing control to indoor evaporator at cooling mode T evaporator temp Compressor and outdoor fan or EVAP temp down EVAP temp up Compressor and outdoor fan off after 5 mins TES TE6 T 11 6 Dehumidifying mode 11 6 1 The 4 way valve is off in dehumidifying mode 11 6 2 Compressor and Indoor Fan actions in dehumidifying mode C B A 0 2 TA TS Compressor and Outdoor Fan A BREEZE OFF 4minutes Repeat on off cycle 11 6 3 Low room temperature protection When room temperature decreases to below 10 C compressor and outdoor fan will stop indoor fan is 33 Service manual Breeze Dehumidifying operation will be resumed when room temperature restores
28. he 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 There 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 Take to ensure that nobody could step on or fall onto the outdoor unit This could result in personal injury and product damage gt CAUTION W 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 W Keep level even when installing the product To avoid vibration of water leakage B Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods It may cause a problem for your neighbors W 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 B Do not expose the skin directly to cool air for long
29. ndoor 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 6 2 Heating operation Indoor air temp C DB 35 30 25 20 5 5 15 25 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 9 10 Service manual Service manual 7 Schematic diagram and Wiring diagram Schematic diagram 7 1 LJRI 2K FARA IRI IIe 2 MGE HORE IIO RASKE JR ORE SHES IR MORSE CHER BRA er ENEN IRA TACT ERD IRS CHER ROOF PARAS IRI HOEF ISR 1 4 UPD 8F9189 Dil 1N4148 DI 1N4149 B pi 104 E R60 10 11 Service manual 7 2 Wiring diagram 7 2 1 MSC 07CRN1 MSC 09CRN1 MSC 12CRN1 BROWN OR BLACK POWER SUPPLY BLUE OR WHITE Ss SS S m EE Y G OR GREEN G ov OG CM 2 as BLACK RED TA RED gt CURRENT DETECT FOR 12CR N2 ONLY Dco CN15 BLACK COMPRESSOR RELAY TRANSFORMER e E 5 ET ON 5 DENN RED BLACK e Y G PLASMA Q 2 MIRCO SWITCH 2 2 TO OXYGEN _1 2003 4 E ENR I CHMENT DJ DISPLAY BO
30. ng up and down automatically Auto mode The unit can be change by the room temperature Anion Optional Tele Remote control Optional Oxygen Generator Optional UV Generator Optional Anti cold function Prevent the cold wind at the beginning of unit start Plasma Optional The function will be operated in any operation mode Temp Compensation Defrost 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 electrolvtic zinc steel sheet and anti rust coated components Valve protection cover It protects the valves and prevents water from dripping Service manual 3 Dimension 3 1 Indoor unit 3 2 Outdoor unit w fefee Service manual 4 Specification Model MSC 07CRN1 MSC 07HRN1 MSC O9CRN1 MSC O9HRN1 Cooling fem so __ mo ee ee ee re
31. odify or extend the power cable There is risk of fire or electric shock W Do not install remove or reinstall the unit by yourself customer There is risk of fire electric shock explosion or injury 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 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 Be sure the installation area does not deteriorate with age If the base collapses the air conditioner could fall with it causing property damage product failure and personal injury B Do not let the air conditioner run for a long time when the humidity is very high and a door or a windows is left open Moisture may condense and wet or damage furniture Take 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 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 B Do not place a heater or o
32. operation whose fan mode is set as low the A C operates at the DRY mode with a set temp of 24 C 11 10 3 All protections of remote control cooling are available at forced cooling operation 11 10 4Forced Auto function Select forced auto function with the forced auto button or the switch In forced auto status the A C operates at remote control mode with a set temp of 24 C 11 11 Sleep mode 11 11 1The sleep function is available at cooling heating or auto mode 11 11 2Cooling 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 The total time is 7 hours after 7 hours the unit stops 11 11 3Heating 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 The total time is 7 hours after 7 hours the unit stops 11 11 4Auto 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 11 12 Auto restart function In case of a sudden
33. ot mix old and mew batteries or different types of batteries There is risk of fire or explosion B Do not recharge or disassemble the batteries Do not dispose of batteries in a fire They may burn of explode 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 coniroller 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 conirol 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 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 swi
34. power failure this function automatically sets the unit to previous settings before the power failure when power returns 11 13 Turbo mode In cooling mode when pressing the turbo button on the remote controller the unit will enter turbo mode with ultra high speed and reach the set temperature more quickly After running 20 minutes in turbo mode the indoor fan will automatically recover the preset speed 11 14 PLASMA optional Starts with indoor fan Note Plasma and Anion can be use together 11 15 Anion optional Starts with indoor fan Note Plasma and Anion can be use together 37 38 Service manual 12 Model and Parameters TE1 TE2 TE3 TE4 TES TE6 TE7 TE8 E9 39 O7CRN1 7 5A 6 2A 5 2A 4 2A 200 124 O7HRN1 6 2A 4 2A 28 32 30 26 4 10 60 53 50 0 17 18 19 7 5A 5 2A 3 2A 200 124 O9CRN1 10 0A 7 5A 5 5A 4 5A 200 124 Service manual O9HRN1 10 0A 7 5A 5 5A 4 5A 3 5A 28 32 30 26 10 60 53 50 200 09 124 17 18 19 a p p pg 4 E 12HRN1 12 0A 8 5A 7 5A 6 5A 5 0A 4 3 37 33 22 6
35. r high temperature protection compressor off temperature TE8 Evaporator high temperature protection fan off temperature 9 Evaporator high temperature protection restoring temperature 11 2 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 air at heating mode Anti frozen at cooling mode 11 3 Protection 11 3 1 3 minutes delay at restart for compressor 11 3 2 Sensor protection at open circuit and breaking disconnection 11 3 3 Fan Speed is out of control When Indoor Fan Speed is too high higher than 2100RPM or too low lower than 300RPM lasting 50 seconds the unit stops and LED displays failure information and can t returns to normal operation automatically 31 Service manual 11 3 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 11 3 5 The current protection of the compressor Current down I Compressor tum off after 5 second later I 5min Compressor turn off Current up after 5 minute later fan The outdoor fan turn off heating restore Indoor fan turn Indoor fan On low sp
36. s than 187V Power supply fault 13 8 Operation lamp on and Timer lamp flashes EEROM error indoor PCB is defective 13 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 Indoor PCB is defective Outdoor unit fauli such as the compressor control board must have fault 43 Service manual 14 Characteristic of temperature sensor 44 Temp 10 5 Co 2 N 10 12 13 14 15 16 Resistance Temp 62 2756 17 58 7079 18 56 3694 19 52 2438 20 49 3161 21 46 5725 22 EN R 23 41 5878 24 39 8239 25 37 1988 26 35 2024 27 33 3269 28 31 5635 29 29 9058 30 28 3459 31 26 8778 32 25 4954 33 24 1932 34 22 5662 35 21 8094 36 20 7184 37 19 6891 38 18 7177 39 17 8005 40 16 9341 41 16 1156 42 15 3418 43 Resistance KQ 14 6181 13 918 13 2631 12 6431 12 0561 10 9731 10 4736 9 5507 9 1245 8 7198 8 3357 7 9708 7 6241 7 2946 6 9814 6 6835 6 4002 6 1306 5 8736 5 6296 5 3969 5 1752 4 9639 4 7625 4 5705 k Temp 44 45 46 47 48 49 50 51 52 53 54 55 56 57 59 60 61 62 63 64 65 66 67 68 69 70 Resistance KO 4 3874 4 2126 4 0459 3 8867 3 7348 3 5896 3 451 3 3185 3 1918 3 0707 2 959 2 8442 2 7382 2 6368 2 5397 2 4468 2 3577 2 27
37. st gl 11 8 3 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 7 5 or 10 minutes B The compressor current has reached to Iperrost Of above differs in different models 11 8 4 Defrosting Actions 244 Defrost 10 or 6 minutes _ Compressor 25s lt 5s 4 way valve q 2s Outdoor fan en Indoor fan as 105 lt 11 9 Auto mode 11 9 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 Heating fan only at cooling only Fan only Cooling 1 2 TA TS 11 9 2 The indoor fan blows automatically in corresponding selected mode 11 9 3 The motion of indoor fan s blade should accord with the selected operation mode 11 9 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 11 10 Force cooling function 36 Service manual 11 10 1 Select forced cooling function with the forced cooling button or the switch 11 10 2The compressor is unconditionally turned on after 30 minutes cooling
38. ther 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 B 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 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 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 B Stop operation and close the window in storm or hurricane If possible remove the product from the window before the hurricane arrives There is risk of property damage failure of product or electric shock B Do not open the inlet grill of the product during operation Do not touch the electrostatic filter if the Service manual unit is so equipped There is risk of physical injury electric shock or product failure m When the product is soaked flooded or submerged contact an Authorized service center There is risk of fire or electric shock W Be caution that water could not enter the product There is risk of fire electric shock or product damage E Ventilate t
39. to over 13 C 11 6 4 At dehumidifying mode the anti freezing function of the indoor heat exchanger is the same as that of cooling mode 11 6 5 At dehumidifying mode the action of fans of indoor is the same as that of air only mode 11 7 Heating mode 11 7 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 doesn t delay in dehumidifying mode 11 7 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 11 7 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 anc outdoor fan off Room temp down Room temp up Compressor and outdoor fan or Ts Ts 2 Ts 3 T This parameter can be changed from 0 to 3 11 7 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 Setting fan speec Breeze T temp down T temp up Fan off P n 4 TE2 T 11 7 5 Auto wind at heating mode T indoor temp 34 Service manual Low fan Room
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