York EVHC 09 DSAAAR Service Manual Download Page 1

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121

High Wall

EVHC 09 to 12 DSAAAR

SERVICE MANUAL

SM-EVHC-D-09-12GB 05-10

EVHC-09 / EVHC-12

Summary of Contents for EVHC 09 DSAAAR

Page 1: ...121 High Wall EVHC 09 to 12 DSAAAR SERVICE MANUAL SM EVHC D 09 12GB 05 10 EVHC 09 EVHC 12 ...

Page 2: ...tions 10 Part name 12 Dimensions 13 Appending data Refrigerant sysem diagram Installation Troubleshooting Guide Disassembly Exploded View Replacement Parts List Appendix Schematic Diagram 15 PCB function manual and operation method 2 Operation of wireless remote control 4 ...

Page 3: ...e sure not to do Be sure to follow the instruction ƾ ƾ ƾBe sure to pull out the power plug when not Earth The ground be connected If not please ask the qualified personnel to install Furthermore don t connect each wire to the gas pipe water pipe drainage pipe drainage pipe or any other improper places using the air conditioner for a long time Otherwise the accumulated dust may cause fire or electr...

Page 4: ...ly care ful of the case edges and the fins on the condenser and evaporator There is risk of fire electric shock explosion or injury Be cautious when unpacking and installing the product For installation always contact the dealer or an Authorized service center For re installation of the installed product always contact a dealer or an authorized service center Do not install remove or re install th...

Page 5: ... ends of left and right louver to adjust the horizontal airflow Louver of left right direction Louver of upward downward direction Don t insert your hands or stick into the air intake or outlet vents Otherwise it will cause accident Don t blow the wind to animals and plants directly It can cause a bad influence to them Don t apply the cold wind to the body for a long time It can cause the health p...

Page 6: ...126 Operation of wireless remote control Note There is no fan display shown on the front panel of the indoor unit ...

Page 7: ...dry indoor coil to prevent mould growing on the coil To set this function press Below button an Icon will be displayed on LCD remote controller When this function is on and unit is turned off at the remote controller the indoor fan will continue to operate for period of time then will turn off If you press the Below button whilst the unit is turned off and fan is running ...

Page 8: ...utton 2 seconds later it quickly change the way of change is During the initial 2 5 seconds ten numbers change in the one place of minute then the one place is constant ten numbers change in the tens place of minute at 2 5 seconds speed and carry During 5s blink press the Timer button the timer setting succeeds The Timer On has been set up repress the timer On button the Timer On will be canceled ...

Page 9: ...eration General operation Guide for operation Optional operation When AUTO RUN mode is selected the setting temperature will not be displayed on the LCD the unit will be in accordance with the room temp automatically to select the suitable running method and to make ambient comfortable About turbo function If start this function the unit will run at super high fan speed to cool or heat quickly so ...

Page 10: ...d to be closed ƾAbout new function of defrosting 1 Changing batteries and notices 4 2 3 ƾ ƽ ƽ ƽ ƽ ƽ Slightly to press the place with along the arrowhead direction to push the back cover of wireless remote control As show in figure Take out the old batteries As show in figure Insert two new AAA1 5V dry batteries and pay attention to the polarity As show in figure Attach the back cover of wireless r...

Page 11: ...ght off If cancel the light function the mark will disap per on the remote controller screen by pressing this button In which case the displayer indicator light will be off if the AC receives this signal Displayer indicator light control of indoor unit ƽ ƽ display on the remote controller screen by this signal Emergency operation speed cannot be changed The operation was shown as below Turn on the...

Page 12: ...l height H coil width L Swing Motor Model Output of Swing Motor W Fuse A Sound Pressure Level dB A H M L Sound Power Level dB A H M L Dimension W H D mm Dimension of Package W H D mm Net Weight Gross Weight kg 10 13 845 275 180 54 51 48 45 645X25 4X267 MP24AA 2 4 PCB 3 15A 915 255 355 41 37 33 24 φ92 X645 Aluminum fin copper tube 7 2 1 4 1 0 0 254 Cross flow fan 1 20 1 6 A A 1260 1070 900 730 EVKC...

Page 13: ...rating Pressure for the Discharge Side MPa Fan Diameter mm Defrosting Method Climate Type Isolation Condenser Pipe Diameter mm Rows Fin Gap mm Moisture Protection Fan Motor RLA A Fan Motor Capacitor uF Air Flow Volume of Outdoor Unit Overload Protector Throttling Method Starting Method Working Temp Range ºC Compressor Type L R A A Compressor RLA A Compressor Power Input W Outer Diameter Refrigeran...

Page 14: ...ote control window Guide louver Indoor unit Outdoor unit Front Panel Filter Air in Air out Drainage hose Air in Air out Wireless remote control Wrapping Tape Set Temp Heat Cooling Connection pipe DRY Run LED displayer Power cable ...

Page 15: ...DS 110 140 148 605 32 55 EVKC 12 DS 110 147 129 542 169 55 Model Mounting Plate Hole W R S H Q A B Tube exit Air inlet Right Left Ceiling Wall Mounting Plate x x W D H Hole the position should be confirmed by client or the erector Hole the position should be confirmed by client or the erector ...

Page 16: ...r Unit Unit mm Over 60cm O v e r 3 0 c m Over 30cm O ver 60cm Bolt Nut Wrench W W1 W mm W1 mm W2 mm H mm D mm D1 mm D2 mm W2 H D D1 D2 762 540 256 6 320 848 286 540 762 540 256 6 320 848 286 540 Model EVJC 09 DS EVJC 12 DS ...

Page 17: ...137 Schematic Diagram Indoor Unit ক䖯 Schematic Diagram ...

Page 18: ...138 Schematic Diagram Outdoor Unit ...

Page 19: ...139 TOP VIEW INDOOR UNIT BOTTOM VIEW Schematic Diagram Printed Circuit Board Connector Wiring Diagram 1 2 3 4 5 6 7 8 9 10 ...

Page 20: ...nd waveform Impulse waveform and impulse voltage Fan motor feedback and driving circuit Whether jumper cap is installed or whether it is correctly installed Chip power supply 5V relay power supply 12V Before commutating voltage AC current After commutated voltage DC current Note unnoted that the pins are suspending Display board code control S1 Display board code control S2 Display board code cont...

Page 21: ...141 TOP VIEW Schematic Diagram BOTTOM VIEW 1 3 4 5 6 2 7 8 9 10 11 12 Outdoor Unit ...

Page 22: ...act with R212 underneath R407right side multimeter black pen contact with U404 radiator multimeter red pen contact with R407 right side The pen of multimeter red meter contacts with D304 negative port The pen of multimeter red meter contacts with C405 underneath The pen of multimeter red meter contacts with Pins 7 8 of U4 The pen of multimeter black meter contacts with U404 radiator R201 left side...

Page 23: ...Crystal oscillatory pin input Crystal oscillatory pin input Signal output Signal output Fan motor control singal output Signal output Electronic expansion valve driving signal Electronic expansion valve driving signal Indicator output Signal output Signal output Models selection port Fan motor speed feedback input Electronic expansion valve driving signal Protection signal input Electronic expansi...

Page 24: ...rate at original state ĸ Protection u Antifreeze protection Under cooling and dehumidifying mode 6 minutes after the compressor is started If T evap İ2ć the compressor will operate at reduced frequency If T evap İ 1ć is detected for durative 3 minutes the compressor will stop and after 30 seconds the outdoor fan will stop and under cooling mode the indoor fan and the swing motor will remain at the...

Page 25: ...y area on the display panel Defrost frequency is 70Hz 3 Protection u Cold air prevention The unit is started under heating mode the compressor is ON ķ In the case of T indoor amb 24ć if T tube 40ć and the indoor fan is at stop state the indoor fan will begin to run at low speed with a time lag of 2 minutes Within 2 minutes if T tubeη40ć the indoor fan also will run at low speed and after 1 minute ...

Page 26: ...be 58ć the compressor will run at reduced frequency d If T tube 62ć the compressor will stop and the indoor fan will run at preset speed 2 Heating overload a If T tube 52ć the unit will return to its original operation state b If T tube 55ć frequency rise is not allowed c If T tube 58ć the compressor will run at reduced frequency d If T tube 62ć the compressor will stop and the indoor fan will blo...

Page 27: ... speed c The setting temperature keeps the same under the FAN mode and AUTO mode 6 Indoor Fan Control The Indoor Fan can be set as HIGH MED LOW by remote control and the Indoor Fan will be respectively run at high medium low speed It will also be set as AUTO and the Indoor Fan is as the followings at the automatic wind speed Cooling mode T ring T setting 2 high speed T setting 2 T ring T setting 2...

Page 28: ...odule protection PH High voltage protection PL Low voltage protection P1 Nominal cooling and heating P2 Maximum cooling and heating P3 Medium cooling and heating P3 Minimum cooling and heating 12 Drying Function You may start or stop the drying function under the modes of cooling and dehumidify at the starting status The modes of automatism heating and air supply do not have drying function When y...

Page 29: ...dition C Model name Heat exchanger pipe temp Indoor fan mode HEATING Table showing operation frequency limits for cooling and heating Performance date for both cooling and heating NOTES 1 Measure surface temperature of heat exchanger pipe around center of heat exchanger path U bent Thermistor themometer 2 Connecting piping condition 5 m Appending data Appending data Outdoor Relative Humidity 37 Co...

Page 30: ...Pipe length 5m 80 Capacity ratio 60 40 15 10 5 0 5 10 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Outdoor temp C Outdoor temp C 70 18 15 12 9 6 0 3 110 105 100 95 90 85 80 Conditions Indoor DB27 C WB19 C Outdoor DB35 C WB24 C Indoor air flow High Maximum pipe length 10m Standard pipe length 5m Total pipe length m 6 5 4 3 2 0 1 110 105 100 95 90 85 80 Total Elevation m Capacity ratio Capacity rati...

Page 31: ...gh Pipe length 5m Conditions Indoor DB20 C WB15 C Outdoor DB7 C WB6 C Indoor air flow High Pipe length 5m 220V 230V 240V EVHC 12 DSAAAR 230V 0 10 20 30 40 50 60 70 90 80 6 5 4 3 2 1 Compressor speed rps Current A 220V 240V Cooling Heating 0 10 20 30 40 50 60 70 90 80 6 5 4 3 2 1 Compressor speed rps Current A Conditions Indoor DB27 C WB19 C Outdoor DB35 C WB24 C Indoor air flow High Pipe length 5m...

Page 32: ...152 Appending data Noise criteria curve tables for both models 1RLVH G Indoor side noise when blowing Outdoor side noise Indoor fan motor rotating speed Compressor frequency Hz Low Middle High ...

Page 33: ...153 REFRIGERANT SYSTEM DIAGRAM 2 Way valve Strainer Strainer Strainer 3 Way valve Muffler 4 Way valve Capillary Heat exchanger INDOOR Heat exchanger OUTDOOR Sub accumulator Compressor Cooling Heating ...

Page 34: ... area 7 8 9 Important Notices Basic Requirements For Installation Position Install in the following place may cause malfunction If it is unavoidable contact with service center please Place where strong heat sources vapors flammable gas or volatile object are emitted Place where high frequency waves are generated by radio equipment welders and medical equipment Place where a lot of salinities such...

Page 35: ...be cut off and be fix it by screw otherwise it would cause electric shock 3 The earth resistance should accord to the National Criterion 4 The user power must offer the reliable earthing terminal Please don t connect the earthing wire with the following place Tap water pipe Gas pipe Contamination pipe Other places that professional personnel consider them unreliable 5 The appliance shall be instal...

Page 36: ...he hole to prevent the connection piping and wiring from being damaged when passing through the hole Install the water drainage pipe 1 For well draining the drain hose should be placed at a downward slant 2 Do not wrench or bend the drain hose or flood its end by water 3 When the long drainage hose passing through indoor should wrap the insulation materials Wrenched Bent Flooded Indoor Outdoor Wal...

Page 37: ...1 and tailings 2 when routing both the wiring and piping Take out the piping from body case wrap the piping electric wire water pipe with tape and pull them through the piping hole As show in Fig 8 Hange the mounting slots of the indoor unit on the upper tabs of the rear panel and check if it is firm enough As show in Fig 9 The height of the installed location should be 2 m or more from the floor ...

Page 38: ...ower connect cord for cooling and heating unit connect and fix power connect cord and signal control wire to terminal block Fix the power connection cable with cord anchorage for cooling and heating unit use the cord anchorage to fix the power connection cable and the signal control wire Ensure wire has been fixed well Install the handle 5 1 0 10 pa 76cmHg 1 Connect charging hose of manifold valve...

Page 39: ...o response The remote controller does not receive signals after it is powered the buzzer will sound unless it has malfunction The circuit or the part of the air conditioner has malfunction They heat and break the insulation and lead to short circuit or creepage Measure the insulation resistance or eliminate the malfunc tion one by one If the breaker itself has malfunction then replace the breaker ...

Page 40: ... the thick and thin pipes is good Heat insulation must also be provided for the joint andthe exposed part of the copper pipe Block of outdoor heat ex changer Clean the dust accumulated on the surface of the heat exchanger Air filter were blocked Clean the filter Fan speed was set too slow To set the fan speed to high or middle speed Air circulation is insufficient Fan rotation speed becomes low Ca...

Page 41: ...of compressor Replace the capacitor The voltage is too low or too high Manostat is recommended Wrong wire connection Connect the circuit diagram correctly When cooling or heating outdoor fanruns compressor doesn t run The protector itself has malfunction Use the multimeter to check whether the contact of the compressor is on when it is not overheated If it is not on then replace the protector The ...

Page 42: ...ews Touch of pipeline of outdoor unit Separate the touching pipeline Touch of inner plates Louver of outdoor unit touched outer case Abnormal sound inside compressor Change compressor Adjust location of louver 1 Tighten connect screw 2 Stick absorbing clay between plates In cool heat mode the outdoor unit and compressor will not run Controller malfunction IC2003 broken creepage of parallel capacit...

Page 43: ... Communication malfunction Low voltage protection High voltage protection Limited frequency current Limited frequency Air exhaust Limited frequency overload Limited frequency anti freezing Indoor ambient sensor malfunction Indoor tube temperature sensor malfunction Normal cooling or norminal heating Max cooling or max heating Min cooling or Min heating Interim cooling or interim heating Overload s...

Page 44: ...unit Yellow indicator blinks for twice Yellow indicator blinks for 4 times Yellow indicator blinks for 5 times Yellow indicator blinks for 6 times Yellow indicator blinks for 7 times Yellow indicator blinks for 8 times Red indicator blinks for once Red indicator blinks for twice Red indicator blinksfor 3 times Red indicator blinks for 4 times Red indicator blinks for 5 times Red indicator for 6 ti...

Page 45: ...re of indoor heat exchanger when heating is too high protection will be activated Possible reasons Outdoor temperature is too high when cooling insufficient outdoor air circulation refrigerant flow malfunction please refer to the malfunction analysis in the previous section for handling method 7 IPM module protection Processing method Once the module malfunction happens if it persists for a long t...

Page 46: ... with the voltage testing circuit on control panel AP1 Replace the control panel AP1 Measure the AC voltage between terminal L and N on wiring board XT Voltage within 210VAC 250VAC Switch off the power and repair the supply power to restore the voltage to 210VAC 250VAC Re energize and switch on the unit If the fault is eliminated Switch off the power and wait 20 minutes or use DC voltmeter to meas...

Page 47: ...in correct order If the voltage input of the machine is within normal range Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT If the compressor coil resistance is normal If the insulation of compressor coil against the copper tube is in good condition If the working loads of the machine are too high If the radiation is good If the charge volume of refrigerant ...

Page 48: ...energize and start the unit Remove the wires on the two ends of capacitor C2 Then use capacitance meter to measure the capacitor C2 Verify as per the Parameters Sheet Stop the unit and disconnect the power supply Wait 20 minutes or use DC voltmeter to measure the voltage between the two ends of capacitor C2 until the voltage is lower than 20V If capacitor C2 is failed Replace the capacitor C2 Then...

Page 49: ...Is outdoor ambient temperature higher than 53 20 minutes after the complete unit is powered off Is heat dissipation of the indoor unit and outdoor unit abnormal Normal protection please operate it after the outdoor ambient temperature is normalized Improve the heat dissipation environment of the unit Does the outdoor fan work normally 1 Check if the fan terminal OFAN is connected correctly 2 Resis...

Page 50: ...ng AP1 for outdoor unit control board Power on the unit Is stop time of the compressor longer than 3 minutes Restart it up after 3 minutes Does startup fail Are the wires for the compressor connected correctly Is connection sequence right Connect the wires as per the connection diagram Replace the control panel AP1 If the fault is eliminated Replace the compressor End 48 ...

Page 51: ...rrectly Is connection sequence right Is the connection made in clockwise direction Connect the wires correctly Replace the control panel AP1 If the fault is eliminated Replace the compressor End Out of step occurs in operation Is the outdoor fan working normally Is the outdoor unit blocked by foreign objects Replace the control panel AP1 If the fault is eliminated Replace the compressor End Check ...

Page 52: ...er the complete unit is powered off Is the terminal FA for the electronic expansion valve connected correctly Connect the wires correctly Resistances between the first four pins close to the terminal hole and the fifth pin are almost the same less than 100 ohm Replace the electronic expansion valve If the fault is eliminated If the fault is eliminated Replace the control panel AP1 Coolant leakage ...

Page 53: ...circuit Replace it as per the wiring diagram and reconnect the wires If the fault is eliminated Remove the PFC capacitor and measure resistance between the two terminals Is the resistance around zero The capacitor is short circuited and the capacitor should be replaced Restart the unit If the fault is eliminated Disconnect the terminals for the reactor and measure the resistance between the two te...

Page 54: ... normally before the failure occurs The AP1 voltage detection circuit is at fault Check wiring inside of the indoor and outdoor units Are wires broken Check the communication circuit of the outdoor unit If the fault is eliminated The communication circuit is abnormal Replace the main board of the indoor unit End If the fault is eliminated Replace the main board AP1 of the outdoor unit If the fault...

Page 55: ...175 ć N ć N ć N ć N Appendix 1 form for indoor outdoor unit s ambient sensor numerical value of resistance Temp Temp Temp Temp Resistance Resistance Resistance Resistance ...

Page 56: ...176 Troubleshooting Guide ć N ć N ć N ć N Appendix 2 form for indoor outdoor unit s tube temperature sensor numerical value of resistance Temp Temp Temp Temp Resistance Resistance Resistance Resistance ...

Page 57: ...177 ć N ć N ć N ć N Appendix 3 form for indoor outdoor unit s air exhaust temperature sensor numerical value of resistance Temp Temp Temp Temp Resistance Resistance Resistance Resistance ...

Page 58: ...to make the both clasps loosen can pull out off the filter Screw off one screw from the top cover can take down it Front panel Filter Top cover 2 Disassemble the air guide louver To make the axis sleeve out of the middle of left air guide louver hold both sides of air guide louver slightly press the middle part then can disassemble the air guide louver Air guide board Axis sleeve 3 Disassemble the...

Page 59: ...ut the air guide motor the wiring terminal of motor screw off the screws fixing the displayer can take down the electric box Earth screw Wire terminal Mianboard Tube temperature sensor Cold plasma Screws 6 Disassemble the evaporator Screw off the screws fixing the connection pipe clamp loosen the clasp from left side take down the connection pipe clamp Unscrew the screws at both sides of evaporato...

Page 60: ...ws Motor clamp Cross flow fan Screw Motor 7 Disassemble the motor Unscrew the screws which fix the motor clamp take down the motor and cross flow fan screw off one screw which connects with the motor and cross flow fan then take out the motor ...

Page 61: ...e and then remove it downwards to take it out Screw Unscrew the 2 screws fixing left side of top cover and the 1 screw fixing the right side to remove the top cover Unscrew the 4 screws fixing the rear grill to re move it Rear Grill Big Handle Screws Screws ...

Page 62: ...crews fixing the right side plate to remove it Right Side Plate Screws Screws Screws Electric box cover Screws Firstly unscrew off two pcs screw on the lelectric box cover take down the connection wire of motor compressor sensor terminal and two pcs screw which fixes the electric box then can take down the electric box electric heating belt screw off the earth screw at side wire ...

Page 63: ...upport to take it out Unscrew the fastening nut of the four way valve coil and remove the coil Wrap the four way valve with wet cotton and unsolder the 4 weld spots connecting the four way valve to take it out Note Refrigerant should be discharged firstly Welding process should be as quick as possible and keep wrapping cotton wet all the time Be sure not to burn out the lead out wire of compressor...

Page 64: ...he capillary Capillary Bolts Liquid Valve Gas Valve Nuts with washers Screw off the screws which fix the valves unsolder the pipeline take down the valves Loosen 3 pcs nut from the bottom of compressor unsolder the air intake and air exhaust pipeline becareful to move the pipeline and take out the compressor ...

Page 65: ...185 Exploded View Exploded View Indoor Unit ...

Page 66: ...186 Exploded View Outdoor Unit ...

Page 67: ...012123 1 15 Filter 11122081 1112220401 2 16 Remote Control YB1FA 30510041 30510041 1 17 Decorate Piece 2019223801 2019223601 1 18 Double side glue 55112004 1 19 Receiver Board D5183B 30565012 30565012 1 20 Front Panel 20012151S 20012153 1 21 Screw Cover 24252016 24252016 1 22 Guide Louver 10512111 10512157 1 23 Wire Clamp 71010103 71010003 1 24 Rear Clamp 26112164 26112164 1 25 Motor MP24AA 152121...

Page 68: ...33433 1 18 4 way Valve Coil 430004002 430004002 1 19 Wire Clap 71010003 71010003 1 20 Insulation Piece D 70410525 70410525 1 21 Terminal Board A 42011113 42011113 1 22 Electric Box Assy 01403998 01403998 1 23 Electric Box 20113005 20113005 1 24 PCB W8073B 301380021 30138013 1 25 Temperature Sensor 39000208 39000208 1 26 Sensor 20K 390001921 390001921 1 27 Exhaust Gas Temperature Sensor 50K 3900001...

Page 69: ...29 Model Mode Rotate speed Setting temp Mode Rotate speed Setting temp After set up the turbo and indoor setting temperature within 2 5s continuously press Sleep button four times the displayer will display P0 or the corresponding codes that will enter into relevant testing status the compressor will run according to the relevant frequency P0 Min status P1 Rated status P2 Max status ...

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