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Midea CSU 12HCAA, Installation And Maintenance Manual

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Midea CSU 12HCAA Installation And Maintenance Manual Download Page 46

44

21K,24K  series outdoor unit

Installation & Maintenance Manual

MF

MC

451S

C1

40

F

4.0

F

TB

4

Maintenance board

Outdoor heat exchanger

Motor support

Compressor

Base support

Outdoor fan motor

Axial flow fan

Compressor capacitor

Outdoor fan capacitor

Stop valve (liquid)

Compressor rubber pad

Stop valve (gas)

Front panel

Outdoor grid

Terminal board

Capillary

Rear plate

No.

Name

Quantity

Code

Remark

1/2F

1/4F

YDK-50AB-6

VIII.Parts list

Summary of Contents for CSU 12HCAA

Page 1: ...Installation and Maintenance Manual CSU 05HCAA CSU 07HCAA CSU 09HCAA CSU 12HCAA CSU 18HCAA CSU 21HCAA CSU 24HCAA CSU 09HHAA CSU 12HHAA CSU 18HHAA CSU 21HHAA CSU 24HHAA...

Page 2: ...Content I Designations and Functions of parts II Dimensions III Specification IV Wiring diagram V Refrigeration circuit VI Installation Instruction 13 VII Troubleshooting VIII Parts list...

Page 3: ...r HUALING Emergency switch Operation section of 12K series units Power indication Remotecontrolsignal receiving window Run indication Temperature indication Operation section of 18K 21K 24K series uni...

Page 4: ...Designations and functions of parts Installation Maintenance Manual Air inlet Piping Drain hose Air outlet 21K 24K Series Outdoor unit Air inlet Piping Drainage hose Air outlet 12K 18K Series Outdoor...

Page 5: ...g unit indoor unit porthole mounting unit air inlet air outlet drain hose external diameter after heat insulation 28 HUALING CSU 09HHAA indoor unit CSU 12HCAA CSU 12HHAA indoor unit mounting unit indo...

Page 6: ...pe 12 7 1 2F external diameter after heat insulation 35 Four holes Indoor unit Mounting board Porthhole Mounting board Air inlet Air outlet Drainage pipe 16 external diameter after heat insulation 28...

Page 7: ...let If there exists only 50 60 cm clearance from the back to the wall the left side of the outdoor unit must be entirely open 100mm Above 100mm Above 100mm Above 500mm Above 350mm Above mounting hole...

Page 8: ...Width Heigth Capacities Other electrical data Compressor Indoor fan motor Outdoor fan motor Dimensions Model Winding resistance at Length Width Height Weight Other data Indoor unit Outdoor unit Noise...

Page 9: ...stage Refrigerant R22 Thermister at Indoor unit Outdoor unit Indoor unit Outdoor unit 1 Test conditions cooling indoor unit dry bulb 27 wet bulb19 outddor unit dry bulb 35 wet bulb 24 2 The data shou...

Page 10: ...ical data Compressor Indoor fan motor Outdoor fan motor Dimensions Model Winding resistance at Length Width Height Weight Other data Indoor unit Outdoor unit Noise Indoor unit Outdoor unit Fan speed F...

Page 11: ...anual Wiring diagram for heat pump outdoor unit 5K 7K 9K 12K Optional AC L33 AC L44 CNO7 Cn22 CNO4 CLEAR CNI2 CNO1 CNO2 PT RT CNO8 CNO9 AC N1 AC L55 HEAT TERMINAL 3 ON 4 COM AC N 3502Q0027230 Wiring d...

Page 12: ...m for heat pump indoor unit 18K 21K Circuit principle diagram for outdoor unit 18K AC L44 AC L33 CN 03 AC N CN08 CN09 3502Q0028679 VALVE OUTFAN 3502Q0010653 Circuit principle diagram for outdoor unit...

Page 13: ...agram for heat pump indoor unit 24K Wiring diagram for only cooling indoor unit 24K AC L44 AC L33 CN 03 AC N CN08 CN09 3502Q0028680 VALVE OUTFAN X1 X2 X3 RELAY AC L AC L22 IV Wiring diagram AC N CN08...

Page 14: ...intenance Manual Wiring diagram for heat pump outdoor unit 24K Wiring diagram for only cooling outdoor unit 24K IV Wiring diagram 3502Q0017666 3502Q0027178 TO INDOOR UNIT TEMP THERMISTOR TO INDOOR UNI...

Page 15: ...nit is higher Max Lenth of extended fitting pipe Refrigerant replenishment R22 g Refrigerating circuit for heat pump type Capillary heating Room temperature thermistor RT11 Pipe temperature thermisto...

Page 16: ...xchanger Flow direction of refrigerant for cooling Joint of flared pipe Connecting pipe with heat insulating pipe casing Joint of flared pipe Connecting pipe with heat insulating pipe casing Shutoff v...

Page 17: ...for heat insulation If the pipeline is to be installed upon a wall equipped with steel sheet galvanized sheet or metal net plank with a thickness of 20mm should be positioned between the wall and the...

Page 18: ...is to be installed upon a wall equipped with steel sheet galvanized sheet or metal net plank with a thickness of 20mm should be positioned between the wall and the pipeline or the pipeline should be w...

Page 19: ...eline is to be installed upon a wall equipped with steel sheet galvanized sheet or metal net plank with a thickness of 20mm should be positioned between the wall and the pipeline or the pipeline shoul...

Page 20: ...uld be used in installation Improper accessory may cause fire electric shock or Fall unit and hurt people as well as water leakage If installed at a place without enough strength the unit may fall and...

Page 21: ...less dust free of rainwater and direct sunshine Select a spot from which the operating noise and exhausted hot air can not affect the neighbors There should be no obstacles around the outdoor unit whi...

Page 22: ...plate Indoor unit Mounting plate 3 5 How to connect wires for indoor outdoor units Indoor unit Section Wire connection 5K 7K 9K 12K series 18K 21K 24K series 1 Open the return air grille 2 Remove scr...

Page 23: ...re 2 Indoor unit s cover of electrical box must be properly fixed Otherwise dust or water might cause a fire or electrical shock 3 The power cable for indoor unit of the air conditioner should be PVC...

Page 24: ...arket Use felt tape to wrap up fitting pipe and drain hose and place heat insulation cushion upon the wall that contacts the aforesaid two 3 6 2 Direction of fitting pipe As shown in the Figure part 1...

Page 25: ...eline specifications listed in table below It is required to properly insulate the 2 pcs of refrigerant pipeline so as to avoid condensation Bending radius of refrigerant pipeline must be greater than...

Page 26: ...it 4 Flared pipe processing Carry flaring process by the tools listed below Outer diameter 6 35mm 9 52mm 12 7mm A mm 2 0 2 5 3 0 3 5 3 5 4 0 Tongs Conical nut Copper pipe York tongs Tools for flaring...

Page 27: ...by a cap Connect the gauge manifold valve and vacuum pump to the access door of shutoff valve aside the gas pipeline of outdoor unit Rotate the vacuum pump vacuumize it for 15 minutes at least Use gau...

Page 28: ...3 7 17 7 19 6 29 4 140 180 200 300 4 6 Arrangement of drain pipeline Declined Upwards Water leak Water leak Air retention inside pipeline Water leak Drain retention Air End of drain hose dipping into...

Page 29: ...er stops all operations 2 Press the ON OFF button on the remote controller and check if the indoor unit gives out a sound toot if yes it indicates that the remote controller can function and the emerg...

Page 30: ...h refrigerant of specified volume for normal operation of the air conditioner Connecting pipe Indoor unit Shutoff valve Outdoor unit Liquid pipe Gas pipe Charging hose Access door R 22 liquid charging...

Page 31: ...fault handling Check the operation pilot lamp on the indoor unit to see if it s flashing and confirm the fault indication by 2 or 3 times If the fault is in the control panel check its components to s...

Page 32: ...tdoor unit is in test running mode Outdoor unit is not in test running mode see page 33 for inspection on receiver circuit board check room temperature thermistor see page 34 for inspection on outdoor...

Page 33: ...hermistor is out of work Reconnect the plug Check the indoor circuit board Outdoor unitfails to run Flickers for four times and ON for 5 seconds repeatedly When the indoor fan motor runs for the 12 se...

Page 34: ...als winding temperature at 10 30 Power cable white black black red Normal Abnormal short circuit or open circuit indoor fan motor signal cable Connect power test voltage of cable brown yellow yellow g...

Page 35: ...ies out and re insert does the remote controller work Replace batteries no Turn on a radio and switch to AM press remote controller button Is there any noise in the radio Is there any counter phase fa...

Page 36: ...varistor NO YES 1 switch on the power 2 measure voltage between TAB2 and optional pole of protector tube for 9K 12K LN of the terminal board for 18K 24K Fault of electric control board Is the voltage...

Page 37: ...2 RB4 R22 IC1 24 IC1 R51 R50 J10 8 TR10 DATE 2003 10 16 DATE 2003 10 16 9012 TR15 TR14 TR14 5V J12 TR17 TR17 RA2 RA4 RA1 IC3 IEC127fuseT5AL250V IEC127fuseT5AL250V CAUTION HIGH VOLTAGE CAUTION HIGH VOL...

Page 38: ...es Temperature Resistance value Indoor electrical control board Characteristics of resistors RT11 and RT12 DC12V DC12V DC5V Input power supply AC220V 240V Fuse AC250V 5A Emergency switch Stepping moto...

Page 39: ...nance Manual Optional Air filter Front panel Panel frame Box for display board Display board Air filtert 1 No Name Quantity Code Remark VIII Parts list 6 5 4 3 2 12 11 10 9 8 7 22 23 24 25 19 18 17 16...

Page 40: ...Bearing holderl Cross flow fan assy Air out frame Drain hose Chassis Installation plate Louver motor Horizontal louverr Fan motor Fixing part for motor Indoor temp Sensor Evaporator temp Sensor Wired...

Page 41: ...e Remark 7 8 9 10 Evaporator Bearing holderl Cross flow fan assy Air out frame 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 Drain hose Chassis Installation plate Louver motor Horizontal louverr Fan mot...

Page 42: ...5K 7K 9K series outdoor unit 40 Installation Maintenance Manual 2 3 4 5 6 7 8 9 19 VIII Parts list...

Page 43: ...F 450V Number Designation Qty Code Note Top plate Right side plate Heat exchanger Motor mounting Fan motor Capacity of fan Capacity of compressor Terminal block Return air pipe Shutoff valve liquid S...

Page 44: ...12K 18K series outdoor unit 42 3 4 5 6 7 8 17 18 13 14 15 16 19 20 10 11 9 Installation Maintenance Manual VIII Parts list...

Page 45: ...inal board Process pipe Stop valve liquid Stop valve gas Base support Heat exchanger Motor support Fan motor Axial flow fan Front panel Outdoor grid Handle Compressor Compressor anti vibration pad Upp...

Page 46: ...Outdoor heat exchanger Motor support Compressor Base support Outdoor fan motor Axial flow fan Compressor capacitor Outdoor fan capacitor Stop valve liquid Compressor rubber pad Stop valve gas Front pa...

Page 47: ...45 Installation Maintenance Manual Remote control and others Remote controller Battery cover Wrapping tape Screws No Name Quantity Code Remark 5K 7K 9K 12K 18K 21K 24K Series VIII Parts list...

Page 48: ...2005 12 20...

Page 49: ......

Page 50: ...2 59 Contents 1 Summary 3 2 Model explaining 4 3 Installation 5 4 Exploded view and part list 20 5 Operation principle 22 6 Parameter 42 7 PCB function 47 8 Troubleshooting 58...

Page 51: ...3 59 1 Summary 1 1 indoor unit Model 77 1 2 outdoor unit CS 23H3 V77AY1A CS 25H3 V AY1A CS 32H3 V AH4 KFR 51GW Bc CS 66H3 N AS CS 88H3 Q AT...

Page 52: ...ype 1 115v 60Hz 2 220V 60Hz 3 220 240V 50Hz 4 240V 50Hz Main function code c Cold breeze type H Hot pump type A Hot pump the type take assistance electricity to heat E The electricity heat Capacity co...

Page 53: ...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...

Page 54: ...aution that water could not enter the product There is risk of fire electric shock or product damage Ventilate the product from time to time when operating it together with a stove etc There is risk o...

Page 55: ...es the efficiency of the air conditioner and could cause product malfunction or damage Do not insert hands or other object through air inlet or outlet while the product is operated There are sharp and...

Page 56: ...and the elevation Standard length Max Max Addition al Capaci ty Pipe size m Elevation Elevation refrigera nt Btu h GAS LIQUID B m A m g m 9K 12 K 3 8 9 52 1 4 6 35 3 5 5 10 30 18K 2 2K 1 2 12 7 1 4 6...

Page 57: ...9 59...

Page 58: ...the places with good ventilation z The noises generated from the unit will not affect the neighboring places z Do not install the unit on non metal frame z Not to install the unit at the places where...

Page 59: ...11 59...

Page 60: ...12 59...

Page 61: ...13 59...

Page 62: ...14 59...

Page 63: ...15 59...

Page 64: ...16 59...

Page 65: ...17 59...

Page 66: ...18 59...

Page 67: ...19 59 Installation Guide 4 Indoor unit and outdoor unit explosion diagram and spare parts list...

Page 68: ...20 59 CS 23H3 V77AY1A CS 25H3 V AY1A CS 32H3 V AH4 INDOOR UNIT...

Page 69: ...21 59 CS 51H3 H AH1 INDOOR UNIT...

Page 70: ...22 59 CS 66H3 N AS INDOOR UNIT...

Page 71: ...23 59 CS 88H3 Q AT INDOOR UNIT...

Page 72: ...24 59 KFR 23GW AC CS 25H3 V AY1A OUTDOOR UNIT...

Page 73: ...25 59 CS 32H3 V AH4 OUTDOOR UNIT...

Page 74: ...26 59 CS 51H3 H AH1 OUTDOOR UNIT...

Page 75: ...27 59 CS 66H3 N AS OUTDOOR UNIT...

Page 76: ...28 59 CS 88H3 Q AT OUTDOOR UNIT...

Page 77: ...middle frame 391260038 17 Clip 391260009 18 GV GV left air Filter 391120070 19 Front Panel assembly 391220192 20 Display lamp panel 21 Display box 391130022 22 GV GV right air Filter 391120070 23 Mid...

Page 78: ...1200127 8 Wire Clip 391110017 391110018 9 Base 391250015 391250015 10 Guide Water Board 391990169 391990169 11 Cross flow fan 100010019 100010019 12 Bearing 401000009 401000009 13 Evaporator assembly...

Page 79: ...able 342100030 342100030 44 Pipe Clamp 100430027 100430027 45 wall mounting frame 020100009 020100009 46 Step motor 320273012 320273012 47 391990202 391990202 48 Thermal insulation pipe 099990080 0999...

Page 80: ...Room Temp Sensor 35 Electric control plate 973300954 36 Connecting Wire 37 Transformer 030180061 38 Electric Box 100100035 39 Wire Clip 391110018 40 Connecting Cable 342200038 41 Terminal Board 030090...

Page 81: ...4 Water resistant board 25 Motor platen 100130026 26 Motor fixed board 100130004 27 Motor 320202015 28 Safety cover 020160029 29 Electric box cover 020160016 30 Wire Clamp 100430022 31 Connecting Wire...

Page 82: ...louver 391200095 17 Swing louver right support 391200094 18 Swing louver middle support 391200093 19 Swing louver left support 391200092 20 Air outlet protect net 21 Middle frame 391220062 22 Screw c...

Page 83: ...uide Louver Bearing A 391200082 54 B Bearing B 391200083 55 Wire Clip 391110015 56 Water resistant board 391990162 57 Electric box cover 311020006 58 C bearing C 391200097 59 320273015 60 320273014 61...

Page 84: ...rill 020110001 020110001 29 Capillary Assy 960800234 971900443 30 Damping rubber 110030017 110030017 31 Drainpipe for the condensor 070040097 070040097 32 Intake pipe for the condensor 360440120 36044...

Page 85: ...rd 030090025 25 Fan Capacitor 030010005 26 Wire Clip 321100011 27 PU Sponge 28 Rear Grill 020110002R 29 Span Pipe 30 Span Pipe 31 3 way Pipe 070130023 32 Condenser 372100004R 33 4 way Valve assy 37210...

Page 86: ...panel 020080002 17 Partition board 020030004 18 PU Sponge 090020027 19 Electric installation board 020130006 20 Compressor Capacitor 030010020 21 Capacitor Clamp 020140010 22 Terminal Board 030090025...

Page 87: ...18 8 Motor support 313040007 9 Small handle 100050003 10 Left panel 020050003 11 Cpacitor clamp 020140010 12 Partition board 020030007 13 PU Sponge 090010033 14 Compressor Capacitor 030010020 15 Top p...

Page 88: ...8H3 Q77AT 1 Front Grill 020120001 2 Grill Clip 109990256 3 Front Plate 020070036 4 Nut 150020003 5 Gasket 150030011 6 Axial flow fan 100030008 7 Motor 320222018 8 Motor support 020040013 9 Left protec...

Page 89: ...ve 060020145 32 High pressure valve 060020102 33 Valve installation plate 020020007 34 Compressor power cord 050040022 35 Anti vibration pad for the compressor 306091001 36 Compressor 301109012 37 Com...

Page 90: ...te Model CS 23H3 V77AY1A CS 25H3 V AY1A CS 32H3 V AH4 Remote control ZH JT 03 ZH JT 03 ZH JT 03 Panel NO 77 77 77 Rated volt and frequency Ph V Hz 220 240 50 220 240 50 220 240 50 Cooling capacity nom...

Page 91: ...t Kg 30 32 25 29 32 36 Refrigerant type weight g R22 640 R22 660 R22 780 OUTDOOR UNIT Design pressure Hi Low MPa 2 7 0 7 2 45 0 7 2 45 0 7 Model KFR 51GW Bc CS 66H3 N AS CS 88H3 Q AT Remote control ZH...

Page 92: ...pressure Hi Low MPa 2 7 0 7 2 7 0 7 2 7 0 7 7 PCB function NOTE Ts is the set temperature Tr is indoor room temperature TP1 is indoor coil pipe temperature TP2 is outdoor coil pipe temperature Display...

Page 93: ...onditioner enter turbo running compressor and outdoor blower fan turn on all along indoor blower fan run at high speed turbo indication is light After the compressor runs five minutes the lamp flashes...

Page 94: ...automatic running mode by remote control however the anti cool air function is prior In the heating mode the anti cool air control function is to control shutdown of the indoor blower fan by detectin...

Page 95: ...is light After the compressor runs five minutes the lamp flashes 4 times per six seconds or display E4 if the temperature of indoor coil pips is less than 30 heating in the continuous 20 minutes The c...

Page 96: ...rost interval time decided by last defrost time Defrost time minute Next defrost interval time minute 15 30 10 15 40 7 10 60 3 7 70 3 80 2 end defrost condition meet one of follows a defrost time have...

Page 97: ...49 59 c o m p r e s s o r o u t d o o r b l o w e r f a n d o o r b l o w e r f a n TP2 Tr c o m p r e s s o r o u t d o o r b l o w e r f a n d o o r b l o w e r f a n TP2 Tr...

Page 98: ...s o r o u t d o o r b l o w e r f a n d o o r b l o w e r f a n TP2 o u t d o o r b l o w e r f a n d o o r b l o w e r f a n TP2 defrost time over 15 MIN or TP2 15 C Tr c o m p r e s s o r Sequence c...

Page 99: ...t decrease the indoor temperature in great deal The air conditioner automatically repeats on and off circulation according the room temperature which is shown in the following figure indoor blower fan...

Page 100: ...issing When pressing down the forcible execution key then power up and enter the self check program Failure display LED lamp display code explain code explain failure The reason of fault and solution...

Page 101: ...the indoor unit is well the key is to check the evaporator temperature detected by the coil pipe temperature sensor has reached the cooling or heating temperature 4 Check whether the surface of the c...

Page 102: ...he contact of the inserter on the circuit board and the connection are well otherwise repair 5 Check whether the signal feedback wire is disconnected replace or connect the feedback signal wire 6 Chec...

Page 103: ...oard is defective Replace P C board Connect CN properly Replace TA sensor Is CN TP1 sensor connector connected properly Is TP1 sensor resistance value 5KO at 25 normal Indoor P C board is defective Re...

Page 104: ...motor connector Replace indoor fan motor Replace main P C board Replace bearing YES YES YES NO NO NO Turn off indoor unit and rotate cross flow fan by hand when the unit is on standby Is it possible t...

Page 105: ...s defective Is resistance value of room sensor Tr and heat exchanger sensor TP1 normal Room sensor or heat exchanger sensor is defective Replace room sensor or heat exchanger sensor Compressor is defe...

Page 106: ...sthebeeper beep Isthedisplayall off Checktheconnectorondisplay PCBconnectedtocontrolPCB CheckthedisplayPCBitself Istheunitdisplay norm al D oesoutdoorunitrun D oesthe com pressorrun norm ally Checkthe...

Page 107: ...merhas output Doesthefuseofindoor PCBburnout Changeagoodremote doestheairconditioner running Isthepowersupplyno problem Doesthe12Vand5Vof indoorPCBhave ReplacePCB normal Doestheelectricswitch cutoff D...

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