DC INVERTER Wall Mounted (R410A) Contents 1. Features…………………………………………………………………277 2. Specification………………………………………………………..……278 3. Dimensions…………………………………………………………..…..279 4. Refrigeration cycle diagram…………………………………………….281 5. Pressure table…………….……………………………………….…….282 6. Capacity table…………………………………………………………....284 7. Operation Limits………………………………………………………….286 8. PCB diagram……………………………………………………………..287 9. Wiring diagram…………………………………………………..……….289 10. Electronic function………………………………………….……………291 11.
1.Features 1.1 Powerful at cooling/heating. 1.2 Low voltage start-up function. 1.3 Anti-icing function at cooling mode. 1.4 Anti-cold air function at heating mode. 1.5 Auto-defrosting. 1.6 Outdoor electric current protection 1.7 Temperature protection of the outdoor compressor top. 1.8 Restart protection for the compressor. 1.9 Error self -diagnosis function. 1.10 Protection against over-load or too-low current inputted through alternating current.
2.Specification Model Power supply Ph-V-Hz Capacity Cooling Btu/h Input W Rated current EER Btu/w.h Capacity Heating Input COP Moisture Removal Max. input consumption Max. current Starting current W 780(240-1550) 1120(260-2050) A 3.4(1.4-8.0) 3.8 3.7 L/h 1.0 1.2 W 1900 2550 A 10.0 12 10.0 12.0 5CS102XFE Type Scroll Scroll 10510 11840 1000 1150 Btu/h W Rated current(RLA) A 4.4 5.
3.Dimensions 3.1 Indoor unit MSH-09HRDN1 3.
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5. Pressure table Note: *The pressure data is from 3 way valve, the pressure data are pressure above atmosphere. *D: Dry bulb temp. *W: Wet bulb temp. 5.1 MSH-09HRDN1 Cooling mode Indoor Conditions Outdoor temperature (Dry bulb temp) Pressure 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC 21ºC D 15ºC W Pressure ( kg/cm2 ) 8.7 8.7 8.9 9.0 10.0 10.6 24ºC D 17ºC W Pressure ( kg/cm2 ) 9.0 8.9 8.9 9.0 10.5 11.0 27ºC D 19ºC W Pressure ( kg/cm2 ) 9.0 9.0 9.0 9.6 11.0 11.
5.2 MSH-12HRDN1 Cooling mode Indoor Conditions Outdoor temperature (Dry bulb temp) Pressure 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC 7.2 7.6 8.1 21ºC D 15ºC W Pressure ( kg/cm2 ) 6.4 6.6 24ºC D 17ºC W Pressure ( kg/cm2 ) 6.6 6.9 7.0 7.6 8.2 8.7 27ºC D 19ºC W Pressure ( kg/cm2 ) 6.9 7.0 7.3 7.6 8.6 9.2 32ºC D 23ºC W Pressure ( kg/cm2 ) 6.9 7.4 7.6 8.1 9.4 9.8 6.
6. Capacity table 6.1 MSH-09HRDN1 COOLING OUTDOOR TEMPERATURE DRY Indoor 21ºC 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC Total capacity kW 2.87 3.00 2.60 2.34 1.98 1.70 1.53 Sensitive capacity kW 1.84 1.91 2.03 1.99 1.65 1.46 1.32 Input kW. 0.701 0.72 0.80 0.86 0.89 0.98 1.16 Total capacity kW 2.98 3.15 2.85 2.45 2.30 1.95 1.74 Sensitive capacity kW 1.84 2.01 2.23 2.11 1.93 1.72 1.50 Input kW. 0.72 0.73 0.82 0.90 0.92 1.01 1.17 Total capacity kW 3.13 3.20 2.
6.2 MSH-12HRDN1 COOLING OUTDOOR TEMPERATURE DRY Indoor 21ºC 25ºC 30ºC 35ºC 40ºC 45ºC 50ºC Total capacity kW 3.187 3.48 3.30 3.01 2.81 2.38 2.16 Sensitive capacity kW 2.23 2.40 2.38 2.28 2.25 2.10 1.90 Input kW. 0.924 1.08 1.18 1.30 1.39 1.45 1.59 Total capacity kW 3.579 3.76 3.65 3.43 2.98 2.70 2.44 Sensitive capacity kW 2.505 2.61 2.66 2.61 2.41 2.35 2.20 Input kW. 0.957 1.10 1.19 1.33 1.41 1.49 1.61 Total capacity kW 3.879 4.09 3.90 3.50 3.
7. Operation Limits 7.1 Cooling mode Indoor temperature: 17℃～32℃ Outdoor temperature: 0℃～50℃ 2.2 Heating mode Indoor temperature: 17℃～27℃ Outdoor temperature: -15℃～34℃ 2.
8 PCB diagram 8.1 Display board 1 2 3 4 5 6 +5 R7 221 D Q4 9012 R8 +5 4 5 7 R12 391 R13 391 R14 391 R11 391 6 Dsb Q7 Q0 Q6 Q1 Q5 Q2 Q4 Q3 MR GND CP 14 D 13 12 LED1 DISP2 11 LED2 LED3 10 9 8 74HC164 R9 221 3 Vcc R17 221 2 Dsa R15 221 R16 391 1 102 104 C1 IC1 8LED CN1 C C 7 6 5 4 3 2 1 FROM INDOOR PCB CLK DATA DIGI +5V REMOTE GND +5 DEF R TIME Y +5 E2 47u/16V C3 C6 104 102 AUTO G R6 221 Q1 9012 R5 102 +5 Q2 9013 R1 102 R10 151 REC1 R4 221 dig.
8.3 Outdoor main PCB 1 2 3 4 6 5 +5V R49 10K +5V D3 REST C35 224 C10 10uf/16v SW1 3 2 1 C41 101 D2 +5V D RESET GND VDD D D8 LED D1 VOLTAGE SAMPLE AC-IN +5V 4007 IC1 7042 R6 D7 S1 R9 2K D9 D10 Q2 9013 +12V +5V 16K R12 2K ADMC328 R13 C1 C6 C7 47uf 223 +12V 12K 102 1 POS0 1K C TXD 2 RXD 3 DISPLAY 4 4-WAY 5 OUT FAN 6 7 C31 8 20PF C30 ALRAM Y2 10M 9 +5V 10 20PF R8 C21 101 C28 C8 101 104 ALRAM U1 11 103 R44 5.
9 Wiring diagram 9.1 MSH-09HRDN1 indoor unit INDOOR FAN MOTO R LOUVER MOTOR E U L B 3 N W O R B Y /G 3 5 CN3 K C A L B CN13 CN14 CN10 2 W O L L E Y CN8 CN6 CN5 7 CN12 CN7 DISPLAY BOARD Y/G 2 2 2 4 AUTO RESTART (CHOICE) MICRO SWITCH PLASMA N S L P IPE T EMP. SENS OR CN4 L N S 2 INDOOR PCB CN2 RED JX1 ROOM TEMP. SENSOR D E R CN11 E T I H W CN1 CN9 POWER SUPPLY OUTDOOR UNIT TRANSFORMER 9.2 MSH-09HRDN1 outdoor unit HE AT EXC HANGER SENSO R OLP TEMP.
9.3 MSH-12HRDN1 indoor unit INDOOR FAN MOTOR LOUVER MOTOR E U L B 3 3 N W O R B Y/G CN3 K C A L B CN14 INDOOR PCB CN10 CN2 W O L L E Y CN8 CN5 7 CN12 CN 7 Y/ G 4 L P IPE TEMP. SENSOR CN6 JX1 L N S 2 CN 4 RED DISPLAY BOARD 2 2 2 MICRO SWITCH PLASMA N S OUTDOOR UNIT 2 D E R CN11 R OOM TEMP. SENSOR E T I H W CN13 CN1 CN9 POWER S UPPLY 5 AUTO RESTART (CHOICE) TRANSFORMER 9.4 MSH-12HRDN1 outdoor unit HE AT EXC HANGER SENSO R OLP TEMP.
10 Electronic function 10.1 Electric Control working environment. 10.1.1 Input voltage: 175~253V. 10.1.2 Input power frequency:50Hz. 10.1.3 Indoor fan normal working amp is less than 1A. 10.1.4 Outdoor fan. Normal working amp is less than 1.5A. 10.1.5 Four-way valve normal working amp is less than 1A. 10.1.6 Swing motor: DC12V. 10.2 1 Display board 2 3 4 5 6 10.2.1 AUTO indicator This indicator illuminates when the air conditioner is in AUTO operation. 10.2.
10.3 Protection 10.3.1. 3 minutes delay at restart for compressor. 10.3.2. Temperature protection of compressor top, compressor stops when the temp. of top of compressor is more than 115℃, compressor runs when the temp. of top of compressor is less than 100℃. 10.3.3. Voltage protection, unit stop when the voltage is more than 260V and less than 175V. 10.3.4. Inverter module Protection , Inverter module Protection itself has a protection function against current, voltage and temperature. 10.3.5.
10.5.5 Current protection Model Current up Current down MSH-12HRDN1 MSH-09HRDN1 Current Compressor I>12 A Off 10.5A11.5 A Off 8.5A
function prevails. Anti-cold wind control function at heating mode Condition Indoor fan speed T= Indoor exchanger temp. Indoor exchanger temp. up Indoor exchanger temp. down T<34℃ Off 34℃44℃ Setting fan speed T> 38℃ Setting fan speed 33℃2.5℃ Low T<1.
10.8. Defrosting operation (Available for heating only). 10.8.1 Defrosting condition: 10.8.1.1 When outdoor temp. is more than 0℃, Defrosting starts when meeting one of the following conditions, a. The temperature of outdoor heat exchanger remains consecutively lower than 3°c for more than 40 minutes, and the temperature remains consecutively -6°c for more than 3 minutes, b.
10.8.4 Rated capacity test Set mode to cooling mode Set temp. to 30 °C Set fan speed to high speed Push turbo button 5 times in 10 seconds. Using special remoter controller After 5 hours, cancel rated capacity test 10.9 Outdoor low temperature protection (optional) Factory standard unit has not this function. Unit stops when outdoor temp. is low than -15°C and lasting time more than 60 minutes, and unit runs again when outdoor temp. more than -12°C. 10.10.
constant and the air circulation is kept at low speed (Cold air proof function takes precedence over all). 10.13.4 Auto: The Sleep Mode running function operates in accordance with selected running mode by auto mode. 10.13.5 After 7 hours, unit cancels this modes automatically. 10.14 Auto restart function In case of a sudden power failure, this function automatically sets the unit to previous settings before the power failure when power returns. 8.15 Plasma Plasma turns on when the indoor fan runs.
11.Troubleshooting 11.1 Indoor Unit Error Display Display LED STATUS E0 EEPROM error E1 Indoor / outdoor units communication protection E2 Zero-crossing examination error E3 Fan speed beyond control E4 E5 Open or short circuit of outdoor temperature sensor E6 Room temperature or evaporator temperature sensor open or short circuit of P0 Module protection P1 Over load or too low voltage protection P2 Compressor top protection against temperature P3 Outdoor low temp.
11.1.2 Display E1 LED STATUS Indoor / outdoor units communication protection Is the LED in outdoor main PCB light? Yes No 1. check the signal wire between, is it connected good. 2. replace the PCB of indoor unit ,is the unit ok? 3.
11.1.3 Display E2 LED STATUS Zero-crossing examination error Is power supply right? Yes Is connector connection good? Yes Indoor PCB is defective 11.1.4 Display E3 LED STATUS Fan speed beyond control Is connector connection good? No Yes No Is voltage being applied to the fan motor? (rang 90v-160v between mid pin and N on CN2 Repair the connector Yes Indoor PCB is defective Indoor fan motor is defective 11.1.
11.1.6 Display LED STATUS E6 Room temperature or evaporator temperature sensor open or short circuit of Is connection to connector good? yes No Repair connector Replace the sensor 11.1.7 Display LED STATUS P0 Module protection Is connection to connector good? yes No Is the wires to compressor right Repair connector Yes Check the outdoor inverter module.
11.1.8 Display LED STATUS P1 Over load or too low voltage protection Is the power supply right? Yes Check the outdoor power board Replace the outdoor power board 11.1.9 Display LED STATUS P2 Compressor top protection against temperature Off: 120c; On: 105c Does compressor operate? No No Yes Is protector normal? Is refrigerant circulation volume normal? No Replace protector Yes Gas charging Check the outdoor main PCB.
11.1.10 Display P3 LED STATUS Outdoor low temp. protection This is optional, factory standard unit has not this function. Unit stops when outdoor temp. is low than -15°C and lasting time more than 60 minutes, and unit runs again when outdoor temp. more than -12°C. Is the outdoor temp. low than -15°C? No Is the outdoor temp sensor right according to the table in clause 12 Yes Replace the outdoor main board 11.1.
12. Characteristic of temp. sensor Temp.℃ Resistance KΩ Temp.℃ Resistance KΩ Temp.℃ Resistance KΩ -10 62.2756 17 14.6181 44 4.3874 -9 58.7079 18 13.918 45 4.2126 -8 56.3694 19 13.2631 46 4.0459 -7 52.2438 20 12.6431 47 3.8867 -6 49.3161 21 12.0561 48 3.7348 -5 46.5725 22 11.5 49 3.5896 -4 44 23 10.9731 50 3.451 -3 41.5878 24 10.4736 51 3.3185 -2 39.8239 25 10 52 3.1918 -1 37.1988 26 9.5507 53 3.0707 0 35.2024 27 9.1245 54 2.959 1 33.
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