MUPR-H5 - MundoClima
Contents
1. 2 5V NO NO Is the LCD display normal LCD fails i YES Is there signal when the ON OFF button was NO Replace buttons pressed 5 Is there any change on the voltage of chip IC1 The chip fails YES NO Is there any change on the voltage 017 een Replace audion YES Emission tube fails Replace batteries Is there any change on the voltage LED YES The receiver fails 18 8 The Failure Analysis of the Main Parts Part Analysis Measure resistance Environment 4 3 Heat exchanger temperature 15C 20C 25C 30 35 C 40 C Normal Resistance of transformer KQ 7 49 6 08 5 4 13 3 43 2 86 Abnormal Turn off 02 Short cut Detecting the resistance between each connecting terminal Environment temperature 10 C 30 C Between 1 2 Normal Blue yellow Main 4109 10 3500 10 3700 10 Blue red 3250 10 2700 10 3000 10 The indoor fan motor Input YYK13 4 13W YYK19 4 19W T M94 Abnormal Turn off 00 Short cut Detecting the voltage between the signal wire of fan motor and ground Between Voltage Gray Orange 0 5V 4 5V Normal Yellow Orange 5V Abnormal voltage lt 0 voltage 5 is abnormal Environment temperature 10 C 30 C 66666 1 2 Between Step motor 24BYJ48 35BYJ412B Normal Blue yel2. operation automatic cleaning the air conditioner operation according to the remote controller s require close or timing open 36 ASK FOR MORE INFORMATION Phone 93 446 27 80 Fax 93 456 90 32 eMail mundoclima salvadorescoda com TECHNICAL ASSISTANCE Phone 93 652 53 57 Fax 93 635 45 08
3. qd I 1 1 Compressor To Indoor Unit 11326007000450 Note Three Board Connect have no earth terminal Y G direct connect to panel S Electric chart for 18K Fan Motor Transformer 1 Lan M ica h IC gen Sade models have no content inside dashed frame 11732600070105 To Power Temperature Indoor Unit To Outdoor Sensor Electric Chart Outdoor unit Optional Temperature Sensor 9192 p nid _ Optional __ D 2 32 al sl a om CITT 12277 H Drive Board L1 L2 1 10 2 N 4 S Yellow Bron Bue Blak Y G d TT D Indoor Unit 113260070110 Compressor Note Three Board Connect have no earth terminal Y G direct connect to panel Chapter 5 Troubleshooting Guide 5 1 Error Code ER _ L Em EINEN MEN Cs _____ Ww NM Lj m Le e M Lone 1 7 Outdoor modular communication fault 10 11 12 13 14 15 16 10 5 2 Troubleshooting Guide for 09 12 1 The Foremost Inspecting Items input voltage must be within 10 tolerance of the rated Voltage If it is not the case the air conditioner will probably not work normally 2 Check the connecting co
4. the DC voltage on the PCB board OK NO NO YES NO Is the port voltage 5VDC ofthe 7 Replace the Is the port voltage 0VD C ofthe 3 pose ound Replace the PCB bo he compressor indoor fan RY3 and IC4 motor and outdoor fan motor normal YES the output voltage ofthe IC2 normal NO Is the port voltage of the 27 YES 1 Check PCB board Replace the main Replace IC2 PCB board ves Are port voltage of 4and 5 X normal Replace the buzzer Does itrun normally Replace the lt YES micro controller 13 3 The Indoor Fan Motor Does Not Work Items a Check if the indoor fan motor is connected correctly to the connector CN8 b Check if the AC input voltage is correct c Check if the IC of indoor fan motor is connected correctly to the connector CN2 d Check if the capacity of indoor fan motor is connected correctly to the connector CN8 2 Trouble shooting procedure Pull out the power plug and replug it after some 5 seconds Refer to the procedure of proceeding Is the LED lighten page YES NO Is the controller output normal iE Det eee OSA YES Is the fan motor voltage satisfied fails The probe position
5. 120 Input Abnormal Turn off 02 Short cut Detecting the resistance between the red wire and every connecting end The outdoor f ninoter Normal When the temperature is20 C 30 C around 3000 and 1200 Abnormal Turn off 00 Short cut 28 1__ Details Summarization This specification is used for E SA series whose capacity is 9000 24000 btu and lower one this standard book include all of the functions of 9000 24000btu and lower styles but to the single unit it not always all of the functions the specific functions need to correspond corresponding modes to decide this specification s contents include same parts as below 1 the basic condition of electrical control using 2 partition of electrical controller s function 3 description of main functions 4 technique index and demand The products must conform this specifications technique index and demand what do not conform to this specification should be sentenced to as nonconforming product The basic condition of electrical control using 1 the suitable scope of electricity and voltage input voltage 175V 253V 2 alternating current input voltage frequency 50Hz 3 environment temperature of electronic control working 10 70 4 environment humidity of electronic control working RH20 RH90 5 indoor fan for the PG plastic motor three pulse feedback signal 6 outdoor fan for the tap stee
6. MUNDEZCLIMA INVERTER SERIE H5 Service manual MUPR H5 CL20735 to CL20737 English Product Refrigeration 3 Wiring 6 Troubleshooting Guide 10 Operation Details 29 Chapter 1 Product Specification 1 1 Photo of Product 54 1 n ES N S 2 5 N gt 2 Hi 2 it y NS 1 2 Outline Dimensions MODEL 9000BTU 12000BTU 18000BTU 802 802 940 D mm 265 265 300 H mm 190 190 220 Outdoor Unit MODEL 9000BTU 12000BTU 18000BTU W mm 720 760 800 D mm 255 260 300 H mm 515 540 690 Chapter 2 Refrigeration Diagrams 2 1 Cooling Only Indoor Unit Outdoor Unit Capillary tube Liquid volve Liquid side 5 a Heat E Heat Exchanger Y Exchanger Evaporator E Condenser d A Gas valve Compressor 3 way volve lt Coding 4 Gas Leak Check Point Steam gas of low pressure Indoor heat exchanger Compressor Evaporation Compression Liquid of low pressure Gas of also ajlittle gas amp tenfperature Super cooled liquid of high pressure Capillary Outdoor heat
7. Normal PCB Cn8 status voltage capacity of the fan motor does not connect CN8 Fan motor capacitor fails Replace FAC i YES Replace the indoor Fan motor fails UN 7 fan motor The motor AC 5 2 and 3 running 134V 160V 14 4 The Outdoor Unit Does Not Work Dltems a Check if the input voltage is correct b Check if the wire connection of the outdoor connecting terminal is correct 2 Trouble shooting procedure Pull out the power plug and replug it after some 5 seconds NO Is the indoor controller normal Checkrefer to the 5 2 part YES Is the output voltage of relay normal V NO w The rel fails Is the wire connection on the terminal ET correct 2 v outdoor unit 18 abnormal Replace the relay 15 5 The Step Motor Does Not Work Items a Check if the input voltage is correct b Check if the step motor controlling the up down movement firmly connected to Cn2 2 Trouble shooting procedure Pull the power plug and replug it after some 5 seconds lt Start the air conditioner with remote control gt NO Confirm the procedure of 9 5 Is the LED on the display board lighten the 5 2 part YES Does the louver move up and down YE after pressi
8. The chip IC 1 fails The chip IC3fails NO NO Is relay output normal YES The interconnection cord or the 4 way valve is abnormal Check the interconnection cord or replace the 4 way valve Replace relay RY3 Y Replace PCB 26 7 Remote Control Can Not Work Trouble shooting procedure Take out the batteries andreinsert them after 5 seconds Is the LED lighten YES Check refer to the 5 2 part Is there music when the ON OFF button was pressed orma NO Is the voltage of batteries lower than 2 5 V eS Replace batteries NO NO Is the LCD display normal LCD fails YES Is there signal when the ON OFF button was NO Replace buttons pressed YES Is there any change on the voltage of chip IC1 is The chip fails YES NO Is there any change on the voltage Q1 4 Replace audion f YEs Is there any change on the voltage LED Emission tube fails YES The receiver fails 8 The Failure Analysis of the Main Parts Part Analysis Measure resistance Environment p Transformer temperature 15C 2001 25 300 35 40 Normal Heat exchanger Resistance of 1 45 4 13 transformer KQ 3 43 Abnormal e Turn off 02 Short cut Environment temperature 10 C 30 1 2 E Between 24BYJ48 35BYJ412B Normal Step motor Blue yello Above3002 Around
9. can adjust the temperature Press the wind speed choose button can choose the automatic wind high speed wind middle speed wind low speed wind online detection of electric heating function when the heating mode normal operation the compressor start 32 outdoor fan operation valve circuit have power indoor fan open and when satisfy the condition in the same time the electric heating open 9 intelligent defrost function When this mode operation the conditioner begin to defrost if satisfy the condition the sleeping light flicker 10 sleep control function when automatic cooling drying heating operation the sleeping function effective after enter the sleeping the indoor fan wind speed automatic reduce one files sleeping light lighten Press sleep button enter into sleeping operation for the cooling operation the setting temperature automatic rise 1 C after 1h for the heating operation the setting temperature drop 2 C after 1h for the cooling operation the setting temperature rise 1 C again for the heating operation the setting temperature drop 2 C again The sleeping mode closed after 7h After enter the sleeping operation D mode change effective but after change the mode the sleeping function cancel 2 if press warming button the air conditioner will according new setting temperature revise temperature to operation Under the sleeping condition press the sleep button again mode cho
10. exchanger Throttling 3 Condensation 2 2 Cooling amp Heating Outdoor Unit Heat Exchanger Evaporator Exchanger Condenser Cross fan Propeller fan Gas side lt 4 Coolino Gos Leak Check Point Compressor Compression 4 way valve Heat pump only Gas of high pressure amp temperature Outdoor heat exchanger Condensation Indoor heat exchanger Steam gas of low pressure Evaporation Liquid of low pressure also a little gas M Super cooled liquid of high pressure Capillary Throttling Indoor Unit Qutdoor Unit M Heot Exchanger Condenser Heat Exchanger Evaporator Cross fan Propeller fan lt Heating lt Gas Leak Check Point Gas of high Pressure amp temperature Compressor Compression Indoor heat exchanger Condensation 4 way valve Heat pump onl Super cooled liquid of low pressure pump any Steam gas of low pressure Super cooled liquid of high pressure Capillary Outdoor heat exchanger Throttling Evaporation 5 Chapter 3 Wiring Diagram Electric chart for 09 12K Step Motor L ng ooard Force Switch 9 Control Some models have no content inside dashed frame 115260070102 To P Temperature Indoor Unit 9 OWero Outdoor Sensor Electric Chart Outdoor unit 1019895 SWITCH E VALVE 1 110 1
11. he IC of indoor fan motor is connected correctly to the connector CN2 A Check if the capacity of indoor fan motor is connected correctly to the connector CN8 2 Trouble shooting procedure Pull out the power plug and replug it after some 5 seconds Refer to the procedure of proceeding Is the LED lighten i page Is the controller output normal 4 The micro controller chip fails YES Is fan motor voltage satisfied PCB fails gt The probe position Normal CN10 status voltage The capacity of fan NandL TI motor does not connect CN8 Or N and M _ TONS 5 OrN andH running 220V 240V NO Fan motor capacitor fails Replace FAC P Replace the indoor Fan motor fails X fan motor 2 3 D YES 23 4 The Outdoor Unit Does Not Work Items Check ifthe input voltage is correct Check if the wire connection of the outdoor connecting terminal is correct 2 Trouble shooting procedure Pull out the power plug and replug it after some 5 seconds NO Is the indoor controller normal Check refer to the 5 2 part YES Is the output voltage of relay normal The relay fils Is the wire connection on the
12. is at cooling mode with the indoor temperature higher than set temperature If you turn off the air conditioner and restart it immediately it will return to normal in 3 minutes after that the air conditioner will automatically adjust the indoor fan speed to what you set The compressor works discontinuously at dehumidifying mode The air conditioner will automatically control the working of the compressor according to the inside temperature The air conditioner does not work while the LED display is on The TIMER is set with the air conditioner it will be in hold on condition If the TIMER setting is cancelled the air conditioner will return to normal working condition works and The compressor discontinuously at cooling dehumidifying mode and the indoor fan motor slows down The compressor stops internally or the fan motor slows down to prevent the indoor heat exchanger from being frozen 21 2 No Power Display Items Check if the input voltage is correct 2 Check if the AC power supply connecting is correct S Check if the output voltage of the manostat L7805 IC2 is correct 2 Trouble shooting procedure Pull out the power plug and replug itafter some 5 seconds Does the buzzer ring Check the connection between power supply cord and the connecting terminal then check the fuse Does the air conditi
13. l shell motor first files is wind speed the normal working electricity less than 1 5A 29 7 the four way valve working electricity less than 1A 220V 8 the swing motor is DC12V four phase eight clap step motor 9 the compressor is single power the normal working electricity less than 1 5A partition of electrical control s function controller s function constitute by some parts below 1 remote control receive function 2 display function 3 forced running function 4 indoor fan s air blade automatic swing and location setting function 5 buzzer drive function 6 indoor fan drive function 7 timer ON OFF function 8 compressor three minutes delayed protect function 9 under heating mode the indoor heat exchanger high temperature protect function 10 under the heating mode automatic defrost function and recover heating function 11 under the heating mode prevent cold wind function 12 under cooling drying mode prevent freeze function 13 self test function 30 1 4 Main function instruction proper noun and expression TA indoor environment temperature TE indoor evaporator temperature TS setting temperature mandatory switch when the air conditioner under the opening condition press this button is closing phenomenon when the air conditioner under the closing condition press this is opening phenomenon and after opening by press this button the air conditioner operation under the automatic mode the o
14. low Above3009 Around 1200 Input 1 SW Abnormal Turn off 02 Short cut Detecting the resistance between the red wire and every connecting end The outdoor fan motor Normal Whenthe temperature 1520 30 C around 3002and 1200 Abnormal e Turn off 00 Short cut 19 5 3 Troubleshooting Guide for 18 24K 1 The Foremost Inspecting Items D The input voltage must be within 10 tolerance of the rated Voltage If it is not the case the air conditioner will probably not work normally 2 Check the connecting cord between indoor unit and outdoor unit to see if it is properly connected The connecting must be done according to the wiring diagram please also notice that even different models may have the connecting cord of the same specification Please check if the marks at the connecting terminal and the marks on the cord can match otherwise the air conditioner will not work normally If the following phenomena are found the problem is not from the air conditioner itself 20 Problems Causes The motor is heard operating but the air conditioner dose not work when the indoor unit is powered on Since the air conditioner is powered on it will come to working condition as long as you press the ON OFF button of the remote control and the signal is well received The compressor stops running but the indoor fan motor keeps working when it
15. ng the SWING button on EM the remote control Normal NO Is there any voltage change between The chip ICI fails the chips 23 22 20 19 The chip fails YES Is there any voltage change between 4 0 10 13 ofthe the chip ULN2003AFW ves The step motor fails Drive chip ICA ULN2003AFW 16 6 Heating Mode Can Work But Hot Air Blow DCheck if the set temperature is lower than the indoor temperature 2 Check if the indoor PCB is connected to the terminal correctly restarted in some 5 minutes YES after the above problems solved Normal T Is the chipIC147 voltage 5 0 The chip ICI fails YES Is the chipIC1 2 voltage high No The chipIC3fails YES Is the voltage at the connecting point of chipICA ULN2003A low e The chip IC4 m ULN2003A fails Is relay output normal Replace relay RY3 NE The interconnection cord the 4 way valve is abnormal Y Replace PCB Check the interconnection cord or replace the 4 way valve 17 7 Remote Control Can Not Work Trouble shooting rocedure out the batteries andreinsert them after 5 seconds NO Is the LED lighten Check refer to the 5 2 part YES Is there music when the ON OFF button was pressed orma NO YES Is the voltage of batteries lower than
16. o the inside temperature The TIMER is set with the air conditioner it will be in hold on condition If the TIMER setting is cancelled the air conditioner will return to normal working condition The compressor stops internally or the fan motor slows down to prevent the indoor heat exchanger from being frozen 12 2 No Power Display a Check if the input voltage is correct b Check if the AC power supply connecting is correct Check if the output voltage of the manostat 17805 2 is correct 2 Trouble shooting procedure Pull out the power plug and replug itafter some 5 seconds ult Does the buzzer ring 7 Check connection Does the air conditioner start operating YES between power supply cord after pressing the ON OFF button of the and the connecting terminal vematercantiol tm check the fuse Y NO I na Hasthe sionsl been sent Refer to the trouble shooting of the remote control FERT BA Is the primary voltage Cn2 normal YES NO Is the LED lighten Is the transformer OK YES Are the voltage of micro controller 8 compressor 2 4 way valve and 6 outdoor fan motor normal Is the voltage 5 VDC of the 15 indoor fan motor normal Are voltage IC4 of RY1 compressor indoor fan motor and outdoor fan motor normal YES Is
17. ologous fault code the detailed as follow Reason of fault Way of display phenomenon PG feedback display E4 or timing light flicker Closing down unusual 4times or 8s TAunusual open display E1 or timing light flicker Closing down or short circuit 1times or 8s unusual open display E3 or timing light flicker Closing down or short circuit 3times or 8s Full machine display E6 or timing light flicker Closing down electricity protect 6times or 8s 35 Note the nixie tube just display homologous fault code if not have the nixie tube and just have the timing light so the timing light point homologous fault code When the indoor fan motor add the voltage if not detection pulse signal which feedback by the indoor fan motor close the output voltage of power supply to the indoor fan motor on the remote controller after standby 30s offer the voltage to the indoor fan motor again if also not detection pulse signal which feedback by the indoor fan motor in 10s so the remote controller enter into the standby condition meanwhile the nixie tube display the homologous fault code E4 this moment close the conditioner by remote controller so the fault display relieve 20 automatic cleaning function This function as a special function just can use under the closing condition as long as the users choose this function the full machine procedure setting mode automatic operation after
18. oner start operating after pressing the ON OFF buttonofthe remote control Has the signal been sent ves Is the LED lighten i YES Arethe voltage of micro controller 8 compressor amp 2 4 way valve and 6 outdoor fan motor normal Is the voltage 5VDC of the 15 indoor fan motor normal Isthe primary voltage on Cn2 normal Isthe transformer OK YES Isthe DC voltage on the PCB board OK NO Replace the PCB board NO Is the port voltage OVDC ofthe 3 normal Is the port voltage 5VDC ofthe 7 normal Is the port voltage ofthe 27 normal NO YES Replace the buzzer Doesitrun normally Are the port voltage ofthe Hand 5 normal NO NO Lo Replace the YES micro controller 22 normal oftheremote control Referto the trouble shooting YES notor normal Are the voltage IC4 of RY 1 compressor RY3 indoor fan motor and outdoor fan YES NO Checkthe connection of the compressor indoor fan motor and outdoor fan motor Replace the Ryl RY3 and 104 Is the output voltage of the IC normal YES Check PCB board Replace the main PCB board Replace IC2 3 The Indoor Fan Motor Does Not Work Items Check if the indoor fan motor is connected correctly to the connector CN8 Check if the AC input voltage is correct 3 Check if t
19. ose button or close the sleeping cancel finish the sleeping 33 operation Cooling operation sleeping Setting temperature rise1 C again rise1 C original setting temperature 1h 2h 7h Csleep finish close Heating operation sleeping Setting temperatur original setting temperature drop2 C again th Oh 7h finish close 11 timing control function The longest timing time is 24h unit is 1min single timing way change the mode not cancel the timing function after setting the timing mode pointing light lighten D Setting the off timer time Just setting under condition of air conditioner operation the timing scope is 1min 12h divide 12h a m and 12h p m when arriver the setting time the conditioner automatic close 34 8 Setting the on timer time Just setting under condition of the air conditioner closed the timing scope is 1min 12h divide 12h a m and 12h p m when arriver the setting time the conditioner automatic open Open or close the conditioner after setting timing the intrinsic timing and sleeping automatic cancel Note the sleeping and timing function can setting in the same time when two functions setting in the same time function of time for which the implementation of the first functions to be 13 fault indication When the air conditioner breakdown the nixie tube on the remote controller light board or LED light will according different fault to point hom
20. peration light flicker 20s operation after the system designate the operation mode the air conditioner according to the indoor temperature automatic choose cooling drying heating modes to operation automatic mode when the remote controller choose the automatic mode the operation light flicker 20s after opening and operation after the system designate the operation mode the air conditioner according to the indoor temperature automatic choose cooling drying heating modes to operation cooling mode 31 8 setting the temperature by remote controller the control scope of temperature is 16 C 32 C press the up down button can adjust the temperature Press the wind speed choose button can choose the automatic wind high speed wind middle speed wind low speed wind Under this mode the four way valve closed drying mode under this mode the four way valve always closed the control scope of temperature is 16 C 32 ventilation mode under this mode the outdoor conditioner always closed indoor fan operation under the setting wind speed the remote controller can choose high speed wind middle speed wind low speed wind no automatic wind the wind door operation condition same with cooling mode there have timer power memory reserved anion reserved function heating mode setting the temperature by remote controller the control scope of temperature is 16 C 32 C press the up down button
21. rd between indoor unit and outdoor unit to see if it is properly connected The connecting must be done according to the wiring diagram please also notice that even different models may have the connecting cord of the same specification Please check if the marks at the connecting terminal and the marks on the cord can match otherwise the air conditioner will not work normally the following phenomena are found the problem is not from air conditioner itself 11 Problems Causes The motor is heard operating but the air conditioner dose not work when the indoor unit is powered on The compressor stops running but the indoor fan motor keeps working when it is at cooling mode with the indoor temperature higher than set temperature The compressor works discontinuously at dehumidifying mode The air conditioner does not work while the LED display is on The compressor works discontinuously at cooling and dehumidifying mode and the indoor fan motor slows down Since the air conditioner is powered on it will come to working condition as long as you press the ON OFF button of the remote control and the Signal is well received If you turn off the air conditioner and restart it immediately it will return to normal in 3 minutes after that the air conditioner will automatically adjust the indoor fan speed to what you set The air conditioner will automatically control the working of the compressor according t
22. terminal Wo correct f YES A Replace the rela The outdoor unit T isabnormal 24 5 The Step Motor Does Not Work Items DCheck if the input voltage is correct Z Check if the step motor controlling the up down movement firmly connected to Cn2 2 Trouble shooting procedure Pull out the power plug and replug it after some 5 seconds lt Start the air conditioner with remote control gt Confirm the procedure of the 5 2 part 5 the LED on the display board lighten YES Does thelouver move up and down after pressing the SWING button on the remote control Normal NO Is there any voltage change between The chipIClfzils the chips 23 22 20 19 The chip IC 1 fails Yes Is there any voltage change between Drive chi 1 4 10 13 of the E ULN2003AFW ULN2003AFW YES The step motor fails 25 6 Heating Mode Can Work But No Hot Air Blow DCheck if the set temperature is lower than the indoor temperature 2 Check if the indoor PCB is connected to the terminal correctly restarted 1n some 5 minutes after the above problems solved NO lt 18 the chipIC1 7 voltage DC5 0 V YES 3 Is the chipIC1 2 voltage high YES Is the voltage at the connecting 2 NO The chip IC4 point of chipICA ULN2003A low ULN2003 A fails YES YES Normal
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