MrCool DIY E Star Series Скачать руководство пользователя страница 43 | Manualshive

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Contents

i)

Temperature Sensor Resistance Value Table for T1, T2, T3, and T4 (°C – K) ......2

ii)

Temperature Sensor Resistance Value Table for TP (for some units) (°C --K) ....3

iii)

Pressure On Service Port .......................................................................................4

Appendix

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Содержание DIY E Star Series

Страница 1: ...mation and instructions within this manual are subject to change without notice Please visit www mrcool com documentation to ensure you have the latest version of this manual Version Date 10 22 21 Tro...

Страница 2: ...is and solution 18 7 2 EL 01 Indoor and outdoor unit communication error diag and solution 19 7 3 EH 02 Zero crossing detection error diagnosis and solution 21 7 4 EH 03 EC 07 Fan speed is operating o...

Страница 3: ...ion 29 7 10 PC 01 Over voltage or too low voltage protection diag and solution 30 7 11 PC 02 High temperature protection of IPM module or high pressure protection diagnosis and solution 31 7 12 PC 04...

Страница 4: ...gloves or wrist strap to avoid damage to the board WARNING Electricity remains in capacitors even when the power supply is off Ensure the capacitors are fully discharged before troubleshooting Test th...

Страница 5: ...sor discharge temperature sensor TP is in open circuit or has short circuited TS25 5 times OFF EC 56 Evaporator coil outlet temperature sensor T2B is in open circuit or has short circuited for free ma...

Страница 6: ...ere are 2 LED lights RED color and GREEN color welded in outdoor main board After power on LED show different actions when encounter different problems No Problem LED GREEN LED RED Solution 1 Standby...

Страница 7: ...outlet C F Installation Condition Information Indoor temperature C F Indoor humidity RH Outdoor temperature C F Outdoor humidity RH Length of Connecting pipe Pipe diameter Gas pipe Liquid pipe Length...

Страница 8: ...emperature T4 Ambient temperature Tb Outlet temperature of indoor coil TP Discharge temperature TH Sunction temperature FT Targeted Frequency Fr Actual Frequency IF Indoor fan speed OF Outdoor fan spe...

Страница 9: ...ear beeps for two seconds which means the unit goes into parameter checking mode Use the LED or DO NOT DISTURB and SWING or AIR DIRECTION buttons to cycle through information displayed Pressing LED or...

Страница 10: ...ure Ambient temperature Outlet temperature of indoor coil Discharge temperature Suction temperature Targeted frequency Actual frequency IF Indoor fan speed 0 1 2 3 4 14 FF OFF Low speed Medium speed H...

Страница 11: ...Troubleshooting 10 Displayed code Explanation Displayed value Meaning Additional Notes A0 Reserved 0 FF 2 28 5 20 5 25 A1 0 1 2 3 4 5 6 L A U T A 5 T...

Страница 12: ...e eld maintenance No Problem Solution 1 Unit will not start TS13 TS14 2 The power switch is on but fans will not start TS13 TS14 3 The temperature on the display board cannot be set TS13 TS14 4 Unit i...

Страница 13: ...TS16 5 Condenser Outdoor fan will not start TS15 TS16 6 Unit runs but shortly stops TS15 TS16 7 Compressor short cycles due to overload TS15 TS16 8 High discharge pressure TS15 TS16 9 Low discharge p...

Страница 14: ...quently Unit will not start The power switch is on but fans will not start The temperature on the display board cannot be set Unit is on but the wind is not cold hot Unit runs but shortly stops The un...

Страница 15: ...r switch is on but fans will not start The temperature on the display board cannot be set Unit is on but the wind is not cold hot Unit runs but shortly stops The unit starts up and stops frequently Un...

Страница 16: ...art Condenser Outdoor fan will not start Unit runs but shortly stops Compressor short cycles due to overload High discharge pressure Low discharge pressure High suc on pressure Low suc on pressure Uni...

Страница 17: ...start but fans run Compressor and condenser outdoor fan will not start Evaporator indoor fan will not start Condenser Outdoor fan will not start Unit runs but shortly stops Compressor short cycles due...

Страница 18: ...x x x x x Additional refrigerant x x x x x x x x Part requiring replacement EC 53 EC 52 EC 54 EC 56 EC 51 EC 07 PC 00 PC 01 PC 02 PC 03 PC 04 Indoor PCB x x x x x x x x x x x Outdoor PCB Indoor fan m...

Страница 19: ...PCB EC51 The unit is operating normally NO Remarks EEPROM A read only memory whose contents can be erased and reprogrammed using a pulsed voltage The location of the EEPROM chip on the indoor and outd...

Страница 20: ...main PCB such as 4 way valve heater AC fan one by one to check their resistance Is there any component short circuit Unplug electronic expansion valve Check if power LED is on No No Check the AC volt...

Страница 21: ...positive values and negative values If the outdoor unit has malfunction the voltage has always been the positive value While if the indoor unit has malfunction the voltage has always been a certain v...

Страница 22: ...rval is abnormal Recommended parts to prepare Connection wires PCB Troubleshooting and repair Check the connections and power supply Correct the connections Turn on the unit when the power supply is g...

Страница 23: ...restart the unit after 2 minutes Is it within normal parameters Replace the fan motor Does a problem remain The unit is operating normally NO Shut off the power supply Rotate the fan by hand YES Does...

Страница 24: ...Color Signal Voltage 1 Red Vs Vm 280V 380V 2 3 Black GND 0V 4 White Vcc 14 17 5V 5 Yellow Vsp 0 5 6V 6 Blue FG 14 17 5V DC motor voltage input and output voltage 115V No Color Signal Voltage 1 Red Vs...

Страница 25: ...the unit running in fan mode at high fan speed After running for 15 seconds measure the voltage of pin1 and pin2 If the value of the voltage is less than 100V 208 240V power supply or 50V 115V power...

Страница 26: ...94V the LED displays the failure code Recommended parts to prepare Connection wires Sensors PCB Troubleshooting and repair Check the connection between temperature sensor and PCB Replace indoor PCB EH...

Страница 27: ...error diagnosis and solution Description Indoor PCB does not receive feedback from the display board Recommended parts to prepare Communication wire Indoor PCB Display board Troubleshooting and repair...

Страница 28: ...tion happens 3 times the LED displays the failure code and AC turns off Recommended parts to prepare T2 sensor Indoor PCB Additional refrigerant Troubleshooting and repair Power off then restart the u...

Страница 29: ...ptable parameters Are they properly connected Is it in working order Replace the outdoor unit Is it in working order Check systemfor blockages YES Stop the unit NO Clear the blockage Yes Check the com...

Страница 30: ...ressor Does an error exist Ensure proper connections or replace the wires and connectors YES Check the IPM NO Is it in working order Replace the IPM board or replace the outdoor PCB NO Check the outdo...

Страница 31: ...f the unit NO Check the connections and wires YES Are they in working order Ensure properconnections or replace the wires NO Power on and measure the voltage between P and N YES While the unit is in s...

Страница 32: ...use high pressure is higher than 4 4 MPa the LED displays the failure code Recommended parts to prepare Connection wires Outdoor PCB IPM module board High pressure protector System blockages Troublesh...

Страница 33: ...exchanger dirty Is the heat exchanger dirty No Yes Replace outdoor main board Is the problem resolved Replace outdoor main board Is the problem resolved No High pressure protection High pressure prot...

Страница 34: ...he wiring between the PCB and compressor Is it improperly wired Ensure proper connections or replace the wires and connectors YES Check the IPM NO Is it functioning properly Replace the IPM board or r...

Страница 35: ...nd solution Description Outdoor pressure switch cut off the system because low pressure is lower than 0 13 MPa the LED displays the failure code Recommended parts to prepare Connection wires Outdoor P...

Страница 36: ...alvefully opened Is thevalve core of the high pressure valve fully opened Is the indoor fan running properly in cooling mode Is the indoor fan running properly in cooling mode No Yes Yes No Check whet...

Страница 37: ...Unit Disassembly 2 Measure the resistance value of the sensor using a multi meter 3 Check corresponding temperature sensor resistance value table Refer to Chapter 8 Appendix Note The picture and the v...

Страница 38: ...ASM98D32UFZ Blue Red 1 87 0 75 0 65 2 13 2 2 Blue Black Red Black Resistance Value ASN140D21UFZ ASK89D29UEZD KSN140D21UFZ KTM240D57UMT KSK103D33UEZ3 Blue Red 1 28 1 99 1 28 0 62 2 13 Blue Black Red Bl...

Страница 39: ...itors are fully discharged before troubleshooting 1 Turn off outdoor unit and disconnect power supply 2 Discharge electrolytic capacitors and ensure all energy storage unit has been discharged 3 Disas...

Страница 40: ...Troubleshooting Note The picture and the value are only for reference actual condition and speci c value may vary...

Страница 41: ...when the unit operates in cooling it is 0V When the unit operates in heating it is about 230VAC If the value of the voltage is not in the range the PCB must have problems and need to be replaced 2 Tur...

Страница 42: ...arged before troubleshooting 1 Disconnect the connector from outdoor PCB 2 Measure the resistance value of each winding using a multi meter 3 Check the resistance value of each winding in the followin...

Страница 43: ...Contents i Temperature Sensor Resistance Value Table for T1 T2 T3 and T4 C K 2 ii Temperature Sensor Resistance Value Table for TP for some units C K 3 iii Pressure On Service Port 4 Appendix...

Страница 44: ...29078 117 243 0 38991 2 28 39 8239 38 100 5 62961 78 172 1 25423 118 244 0 37956 1 30 37 1988 39 102 5 39689 79 174 1 2133 119 246 0 36954 0 32 35 2024 40 104 5 17519 80 176 1 17393 120 248 0 35982 1...

Страница 45: ...35 78 75 167 8 084 115 239 2 422 4 25 222 8 36 97 34 32 76 169 7 82 116 241 2 357 3 27 211 4 37 99 32 94 77 171 7 566 117 243 2 294 2 28 200 7 38 100 31 62 78 172 7 321 118 244 2 233 1 30 190 5 39 10...

Страница 46: ...10 3 9 5 10 0 10 6 12 4 13 0 PSI 70 59 21 11 15 93 94 106 116 119 113 117 125 147 154 75 63 23 89 17 22 97 99 115 125 124 120 126 132 155 162 80 67 26 67 19 44 103 104 123 138 135 129 132 140 162 173...

Страница 47: ...0 8 18 5 16 5 65 18 33 32 5 30 0 26 6 25 4 23 3 20 5 19 0 75 23 89 33 8 31 5 27 8 26 3 24 9 21 5 20 0 PSI 55 12 78 439 413 367 330 302 268 239 65 18 33 471 435 386 368 339 297 276 75 23 89 489 457 403...

Страница 48: ...3 6 6 7 8 8 1 PSI 70 59 21 11 15 58 59 67 73 74 71 74 78 91 96 75 63 23 89 17 22 61 62 71 78 78 75 78 83 97 102 80 67 26 67 19 44 64 65 77 86 84 81 83 87 102 107 90 73 32 22 22 78 70 71 87 96 93 86 9...

Страница 49: ...13 0 11 6 10 3 65 18 33 20 3 18 8 16 6 15 9 14 6 12 8 11 9 75 23 89 21 1 19 7 17 3 16 4 15 6 13 4 12 5 PSI 55 12 78 274 258 229 207 189 168 149 65 18 33 294 273 241 231 212 186 172 6 75 23 89 306 286...

Страница 50: ...12 6 13 3 PSI 70 59 21 11 15 95 96 108 118 121 115 119 128 150 157 75 63 23 89 17 22 99 101 117 128 126 122 129 135 158 165 80 67 26 67 19 44 105 106 125 141 138 132 135 143 165 176 90 73 32 22 22 78...

Страница 51: ...2 18 9 16 8 65 18 33 33 2 30 6 27 1 25 9 23 8 20 9 19 4 75 23 89 34 5 32 1 28 4 26 8 25 4 21 9 20 4 PSI 55 12 78 448 421 374 337 308 273 244 65 18 33 480 444 394 375 346 303 282 75 23 89 499 466 411...

Страница 52: ...656 2200 22 319 55 512 131 922 750 7 5 108 75 13 249 55 848 2250 22 5 326 25 56 527 133 749 800 8 116 15 465 59 837 2300 23 333 5 57 526 135 547 850 8 5 123 25 17 58 63 644 2350 23 5 340 75 58 508 137...

Страница 53: ...11 159 5 10 471 50 848 3350 33 5 485 75 53 935 129 083 1150 11 5 166 75 11 988 53 578 3400 34 493 54 593 130 267 1200 12 174 13 457 56 223 3450 34 5 500 25 55 243 131 437 1250 12 5 181 25 14 879 58 78...

Страница 54: ...1 850 8 5 123 25 1 393 34 507 2600 26 377 41 977 107 559 900 9 130 5 3 209 37 777 2650 26 5 384 25 42 769 108 984 950 9 5 137 75 4 951 40 911 2700 27 391 5 43 55 110 39 1000 10 145 6 624 43 923 2750 2...

Страница 55: ...DIY E Star 4th Generation Series...

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