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MCAC-RTSM-2012-01                                                              M-thermal Technical Manual (part 2) 

Part 2 trouble shooting 

 

1.

 

Normal Phenomenon

 ................................................................................................................................................ 2 

2.

 

M-thermal system protection in Common

 ........................................................................................................... 3 

3.

 

Trouble and causes of heat pump

 ......................................................................................................................... 3 

4.

 

Malfunction Code and Troubleshooting

 ............................................................................................................... 4 

4.1

 

Outdoor unit malfunction Code and troubleshooting

 .......................................................................... 4 

A. 

"E0": Outdoor unit EEPROM malfunction ...................................................................................... 5 

B. 

"E2": Communication error of the outdoor chip and the indoor chip ............................................. 6 

C. 

"E3": Communication error of outdoor chip and DSP ................................................................... 7 

D.

 

"E4": Outdoor temperature sensor error

 ............................................................................................... 8

 

E.

 

"E5": Voltage protection error

 ................................................................................................................. 9

 

F.

 

"E6": Direct-current fan error

 ................................................................................................................ 10

 

G. 

"P1": High pressure protection .................................................................................................... 11 

H. 

"P2": Low pressure protection ..................................................................................................... 12 

4.2

 

Hydraulic indoor unit malfunction Code and trouble shooting

 ....................................................... 13 

A. 

"E0" "E8": Flow switch error ........................................................................................................ 14

 

B. 

“E1 E3 E4 E5 E6 E7 E8 E9 EA Eb”: Temperature sensor error .................................................. 15

 

C. 

"E2": UI communication error ...................................................................................................... 16

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Содержание CE-LRSJF-V100/N1-610

Страница 1: ...designs without notices and without incurring obligations CE LRSJF V120 N1 610 CE LRSJF V100 N1 610 CE LRSJF V80 N1 310 CE LRSJF V60 N1 310 CE LRSJF V80 N1 310 B Outdoor unit CE LSX 300XP D30B11 CE LS...

Страница 2: ...12kw model 14 6 4 Cooling performance data of 10 12kw model 15 7 Wiring Diagrams 16 7 1 Outdoor units wiring diagram 16 7 2 Hydraulic indoor units wiring diagram 18 8 Dimensions 20 8 1 Dimensions of...

Страница 3: ...h 313 63 67 220 240 50Hz 1 Ph Hydraulic indoor unit SMK 120 CD30GN1 Width 900 Height 500 Depth 375 63 75 220 240 50Hz 1 Ph SMK 100 CD30GN1 SMK 80 CD30GN1 SMK 60 CD30GN1 SMK 80 CSD80GN1 Width 900 Heigh...

Страница 4: ...ual part 1 4 2 External Appearance CE LRSJF V120 N1 610 CE LRSJF V80 N1 310 CE LRSJF V100 N1 610 CE LRSJF V60 N1 310 CE LRSJF V80 N1 310 B CE SMK 120 CD30GN1 CE SMK 100 CD30GN1 CE SMK 80 CD30GN1 CE SM...

Страница 5: ...RSJF V100 N1 610 Design code Refrigerant type R410a Heating Capacity 8000W Compressor type DC compressor Split type Midea Heat Pump water heater Heating and cooling mode Omit for heating Export model...

Страница 6: ...00W Electric heater Power type 3ph 380V Water cycle type Heating Capacity 8000w Hydraulic modular Export model code Design code Solar heating unit Export model code Design code E heater power 3000w El...

Страница 7: ...from outdoor air and produce heat water thermal efficiency for water heating be up to 4 3 4 8 All the weather running Within the temperature range from 20 to 43 it will not be affected by night overc...

Страница 8: ...7kg R410a 2 7kg R410a 2 4kg R410a 2 4kg R410a 2 4kg system pressure MPa 4 4 2 6 4 4 2 6 4 4 2 6 4 4 2 6 4 4 2 6 Compressor Model TNB306FPGMC TNB306FPGMC TNB220FLHMC TNB220FLHMC TNB220FLHMC Type Rotar...

Страница 9: ...ting 15 55 15 55 15 55 15 55 15 55 Space Cooling 7 22 7 22 7 22 7 22 7 22 Sanitary Hot Water 35 60 35 60 35 60 35 60 35 60 Max current A 27 27 27 27 16 Noise level dB A 32 32 32 32 32 Unit Dimension W...

Страница 10: ...1135 670 670 1885 670 Net gross weight kg 75 84 60 68 49 55 80 91 E heater specification kW 3 0 3 0 3 0 1 5 Power supply Ph V 1 220 240 50 1 220 240 50 1 220 240 50 3 380 50 Tank material SUS304 SUS30...

Страница 11: ...25 2 01 7 6 9551 2360 4 05 9000 2518 3 57 8888 2756 3 22 8262 2841 2 91 6380 2623 2 43 1842 1497 1 23 10 8 9858 2400 4 11 10179 2579 3 95 9745 2753 3 54 8686 2826 3 07 7029 2612 2 69 1681 1466 1 15 15...

Страница 12: ...2650 3 61 9450 2901 3 26 8785 2991 2 94 6784 2761 2 46 1959 1576 1 24 10 8 10482 2526 4 15 10823 2715 3 99 10362 2898 3 58 9236 2975 3 1 7474 2749 2 72 1987 1543 1 29 15 12 10324 2165 4 77 9949 2332...

Страница 13: ...5 2369 2 85 8058 2434 3 31 43 3858 2072 1 86 4596 2106 2 18 4956 2134 2 32 5724 2173 2 63 6859 2224 3 08 Remark CC cooling capacity PI power input 8kW LWE 7 10 13 15 18 22 Tamb CC W PI W EER CC W PI W...

Страница 14: ...7399 2682 2 76 35 24 14856 2066 7 19 18012 2594 6 94 14247 2506 5 69 14095 2411 5 85 9143 2471 3 70 9197 2260 4 07 Remark HC heating capacity PI power input 12kW LWE 30 35 40 45 50 55 Tamb HC W PI W C...

Страница 15: ...13 13126 3740 3 51 43 5872 3017 1 95 7170 3350 2 14 8334 3419 2 44 9104 3471 2 62 10059 3526 2 85 11683 3603 3 24 Remark CC cooling capacity PI power input 12kW LWE 7 10 13 15 18 22 Tamb CC W PI W EE...

Страница 16: ...MCAC RTSM 2009 09 Midea Heat Pump Water Heater Technical Manual 16 7 Wiring Diagrams 7 1 Outdoor units wiring diagram Model CE LRSJF V120 N1 610 CE LRSJF V100 N1 610...

Страница 17: ...MCAC RTSM 2009 09 Midea Heat Pump Water Heater Technical Manual 17 Model CE LRSJF V60 N1 310 CE LRSJF V80 N1 310 CE LRSJF V80 N1 310 B...

Страница 18: ...MCAC RTSM 2009 09 Midea Heat Pump Water Heater Technical Manual 18 7 2Hydraulic indoor units wiring diagram Model SMK 120 CD30GN1 SMK 100 CD30GN1 SMK 80 CD30GN1 SMK 60 CD30GN1...

Страница 19: ...MCAC RTSM 2009 09 Midea Heat Pump Water Heater Technical Manual 19 Model SMK 80 CSD80GN1...

Страница 20: ...09 Midea Heat Pump Water Heater Technical Manual 20 8 Dimensions 8 1 Dimensions of outdoor units Model CE LRSJF V120 N1 610 CE LRSJF V100 N1 610 Model CE LRSJF V80 N1 310 CE LRSJF V60 N1 310 CE LRSJF...

Страница 21: ...MCAC RTSM 2009 09 Midea Heat Pump Water Heater Technical Manual 21 8 2 Dimensions of Hydraulic indoor units Model SMK 120 CD30GN1 SMK 100 CD30GN1 SMK 80 CD30GN1 SMK 60 CD30GN1 SMK 80 CSD80GN1...

Страница 22: ...n noise and discharged air are not given affected to your neighbors A place that is not exposed to a strong wind A place that does not block a passage When the outdoor unit is installed in an elevated...

Страница 23: ...0GN1 SMK 80 CD30GN1 SMK 60 CD30GN1 Maximum allowable refrigerant piping length between outdoor unit and indoor unit 50m 25m Maximum allowable height distance between outdoor unit and indoor unit when...

Страница 24: ...MCAC RTSM 2009 09 Midea Heat Pump Water Heater Technical Manual 24 10 Exploded View 10 1 Exploded view of outdoor units Model CE LRSJF V120 N1 610 CE LRSJF V100 N1 610...

Страница 25: ...r ass y 1 13 Welding pieces of electrical box 17 Expansion valve ass y 1 14 Rubber ring 17 1 Electronic expansion valve 1 15 Radiator 17 2 EEV solenoid 1 16 Aluminum electro analysis capacitor 17 3 Lo...

Страница 26: ...MCAC RTSM 2009 09 Midea Heat Pump Water Heater Technical Manual 26 Model CE LRSJF V60 N1 310 CE LRSJF V80 N1 310 CE LRSJF V80 N1 310 B...

Страница 27: ...inductance 10 Suction pipe ass y 2 6 Wire joint 10 1 Pressure controller 2 7 Wire joint 11 Accumulator cylinder 2 8 Motor capacitor 12 Compressor 3 Rear right clapboard ass y 13 Base ass y 4 Handle 1...

Страница 28: ...MCAC RTSM 2009 09 Midea Heat Pump Water Heater Technical Manual 28 10 2 Exploded view of hydraulic indoor units Model SMK 120 CD30GN1 SMK 100 CD30GN1 SMK 80 CD30GN1 SMK 60 CD30GN1...

Страница 29: ...former 29 Electric heating pipe water 8 5 Wire joint 6p 30 Exhaust valve 8 6 Wire joint 31 Small water tank 8 7 32A MCB 32 Outlet pipe components 8 8 Thirty Terminal Block 33 Expansion Tank 9 Electron...

Страница 30: ...MCAC RTSM 2009 09 Midea Heat Pump Water Heater Technical Manual 30 Model SMK 80 CSD80GN1...

Страница 31: ...5 Transformer 30 Exhaust valve 8 6 Wire joint 5p 31 Small water tank 8 8 E part box ass y 32 Outlet pipe components 8 9 Thirty Terminal Block 33 Expansion Tank 8 10 Contactor 34 Electric valve 8 11 Wi...

Страница 32: ...rubber cap 1 Hydraulic Indoor Unit Accessories Owner s Installation Manual 1 Mounting bracket 1 Two way valve 3 M4 screws 2 Water tank temperature sensor 1 Y sharp filter 1 Floor heating inlet temper...

Страница 33: ...Motorized 2 way valve SV1 29 Solar pump station field supply 6 Shut off valve field supply 18 Water to water heat exchanger 30 Solar panels field supply 7 Auxiliary pump optional field supply 19 Shut...

Страница 34: ...way valve SV2 3 1 0 mm2 8 Power supply cable for motorized 2 way valve SV1 3 1 0 mm2 9 Power supply cable for auxiliary pump Pump2 2 GND 1 0 mm2 10 Communication cable between indoor unit and boiler 2...

Страница 35: ...PROM malfunction 5 B E2 Communication error of the outdoor chip and the indoor chip 6 C E3 Communication error of outdoor chip and DSP 7 D E4 Outdoor temperature sensor error 8 E E5 Voltage protection...

Страница 36: ...When the system is changed over to heating operation after defrost operation Moisture generated by defrost becomes steam and is exhausted 1 4Noise of heat pump s cooling A continuous low hissing sound...

Страница 37: ...ble and causes of heat pump If one of the following malfunctions occur stop operation shut off the power and contact with your dealer The lamp is flashing rapidly after turn off the power and turn on...

Страница 38: ...hine s model and detailed malfunction 4 1 Outdoor unit malfunction Code and troubleshooting Display Malfunction or Protection Model 10kw and 12kw 6kw and 8kw E0 EEPROM error E2 Communication error of...

Страница 39: ...the outdoor unit PCB 2 Something wrong with the EEPROM 3 External factor other than malfunction Troubleshooting E0 Turn the power supply off once and then back on Is normal reset possible Turn the pow...

Страница 40: ...mmunication cable doesn t connect well 2 External factor other than malfunction Troubleshooting E2 Turn the power supply off once and then back on Is normal reset possible Turn the power supply off an...

Страница 41: ...1 Communication cable between chip and DSP is not connected well 2 External factor other than malfunction Troubleshooting E3 Turn the power supply off once and then back on Is normal reset possible T...

Страница 42: ...ectly 2 The sensor terminal is loose 3 The sensor circuit is short or open 4 The main control board s clamp diodes are short or open Troubleshooting E4 Is T3 or T4 port on PCB loose Temperature sensor...

Страница 43: ...is at normal range Supposed Causes 1 The power supply voltage is too high or too low 2 Something wrong with the detecting element on the main board Troubleshooting E5 Measure the voltage is at the nor...

Страница 44: ...matter tangled 3 Malfunction of the outdoor unit main board 4 Blowout of fuse Troubleshooting E5 Measure the voltage is at the normal range Check the fan motor connector correctly connected to the ou...

Страница 45: ...gerant loop is blocked This may be caused by blocked valve pressed tube closed blocked valve Refrigerant is excess In this circumstance the refrigerant s low pressure is high so is the high pressure s...

Страница 46: ...3MPa Refrigerant is not enough or the system leaks refrigerant System s gas side is blocked Phenomenon may be discharge temperature is high low pressure is low current is small These are caused by cl...

Страница 47: ...n error EA TW_out error Eb T4 error Ed Phase protection EE EEPROM error P0 T2 high temperature protection P1 T2B low temperature protection P2 TW_out high temperature protection P3 TW_out low temperat...

Страница 48: ...s loose or connected incorrectly 2 The wire circuit is short or open 3 The pump is not running 4 The main control board s clamp diodes are short or open Troubleshooting E0 Check whether the wire conne...

Страница 49: ...ables don t connect correctly 2 The sensor terminal is loose 3 The sensor circuit is short or open 4 The main control board s clamp diodes are short or open Troubleshooting Error code Is temperature p...

Страница 50: ...doesn t connect correctly 2 External factor other than malfunction Troubleshooting E2 Turn the power supply off once and then back on Is normal reset possible Turn the power supply off and make sure t...

Страница 51: ...nd maintenance 1 Pre test and test running 2 1 1 Checks before initial start up 2 1 2 Powering up the indoor unit 3 2 Setting the pump speed 3 3 Field Settings 3 3 1 Setting Procedure 4 3 2 Detailed d...

Страница 52: ...t the earth terminals are tightened E Internal wiring Visually check the control box on loose connections or damaged electrical components F Fixation Check that the unit is properly fixed to avoid abn...

Страница 53: ...revious section CAUTION If the external pressure loss of the water circuit is too high it is necessary to install an auxiliary pump Fail to install an auxiliary pump will result in cooling heating cap...

Страница 54: ...r heating 1 or not 0 0 1 Fan coil defines whether the system installations with fan coil 1 or not 0 0 2 Sanitary hot water tank Defines whether the system installations with sanitary hot water tank 1...

Страница 55: ...d on 3 1 Interval Defines the time period after which the auxiliary heating source such as boiler may be turned on 3 2 Outdoor temperature Defines the outdoor temperature below which the auxiliary hea...

Страница 56: ...r heating operation 6 3 Heating set point lower limit Minimum leaving water temperature for heating operation 6 4 Sanitary heating set point upper limit Maximum leaving water temperature for sanitary...

Страница 57: ...M thermal technical manual part 3 3 3 Field setting table...

Страница 58: ...e relief valve hose Check that the pressure relief valve hose is positioned appropriately to drain the water If the drain pan kit is installed make sure that the pressure relief valve hose end is posi...

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