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MCAC-RTSM-2011-12

Midea Combo Type Heat Pump Water Heater Technical Manual

Midea Combo Type

Heat Pump Water Heater

Technical Manual

Applicable Model:

RSJ-15/190RDN3-D
RSJ-35/300RDN3-D

Midea reserves the right to discontinue, or change at any time, specifications or designs without notices and
without incurring obligations.

Содержание RSJ-15/190RDN3-D

Страница 1: ...hnical Manual 1 Midea Combo Type Heat Pump Water Heater Technical Manual Applicable Model RSJ 15 190RDN3 D RSJ 35 300RDN3 D Midea reserves the right to discontinue or change at any time specifications...

Страница 2: ...rvice Space 14 6 Wiring Diagrams 15 7 Piping Diagrams 17 8 Duct connection 18 9 Exploded View 19 Part 3 Installation 23 1 Precautions 24 2 Installation information 25 3 Unit Appearance and Composition...

Страница 3: ...MCAC RTSM 2011 12 Midea Combo Type Heat Pump Water Heater Technical Manual 3 Part 1 General Information 1 Measurements 4 2 External Appearance 4 3 Nomenclature 5 4 Features 6...

Страница 4: ...Technical Manual 4 1 Measurements Model Dimension mm D x H Net weight Gross weight kg Power Supply RSJ 15 190RDN3 D 568 1640 94 110 220 240V 1ph 50Hz RSJ 35 300RDN3 D 650 1 920 123 150 220 240V 1ph 50...

Страница 5: ...de Heating mode code Water tank volume unit L 9 Other functions code 10 11 12 Water supply pump lift code Refrigerant code Design code Installation type code Water heating unit code Export model code...

Страница 6: ...ed the Electric heating and Heat Pump heating properly made the water be heated stably and quickly 4 3 Flexible installation achieved by long air intake outlet duct with pressure 4 4 Automatic Control...

Страница 7: ...Pump Water Heater Technical Manual 7 Part 2 Combo Units 1 Specifications 8 2 Operation range 10 3 Performance diagram 11 4 Dimensions 13 5 Service Space 14 6 Wiring Diagrams 15 7 Piping Diagrams 17 8...

Страница 8: ...protection TCO1 TCO2 PT valve automatic defrosting over load protector temp electric leakage protector Air flow with filter screen m h 218 202 178 Compressor Model PJ125G1C 4DZDE Type Rotary Brand GM...

Страница 9: ...size L 300 Water heating Capacity kW 3 00 3 00 Cop kW kW 3 60 1 00 Max current A 6 5 13 0 Ambient temp 30 43 Unit Dimension D H mm 650 1 920 Packing W H D mm 750 2 150 780 Net gross weight kg 123 150...

Страница 10: ...hanger Stainless steel SUS316L Dim Length mm 22 10000 Max pressure MPa 0 7 E heater kW 3 Hot water yield m h 0 086 Loading Quantity 20 40 40H Pcs 21 47 47 Remark 1 The test conditions outdoor temp 15...

Страница 11: ...1 The relationship between capacity and ambient temperature Model RSJ 15 190RDN3 D Model RSJ 35 300RDN3 D 1 00 1 50 2 00 2 50 3 00 3 50 4 00 4 50 5 00 7 2 2 7 10 15 20 25 30 35 40 43 kw 15 45 15 50 15...

Страница 12: ...MCAC RTSM 2011 12 Midea Combo Type Heat Pump Water Heater Technical Manual 12 Model RSJ 35 300RDN3 D...

Страница 13: ...MCAC RTSM 2011 12 Midea Combo Type Heat Pump Water Heater Technical Manual 13 4 Dimensions Model RSJ 15 190RDN3 D Model RSJ 35 300RDN3 D...

Страница 14: ...MCAC RTSM 2011 12 Midea Combo Type Heat Pump Water Heater Technical Manual 14 5 Service Space...

Страница 15: ...MCAC RTSM 2011 12 Midea Combo Type Heat Pump Water Heater Technical Manual 15 6 Wiring Diagrams Model RSJ 15 190RDN3 D...

Страница 16: ...MCAC RTSM 2011 12 Midea Combo Type Heat Pump Water Heater Technical Manual 16 Model RSJ 35 300RDN3 D...

Страница 17: ...MCAC RTSM 2011 12 Midea Combo Type Heat Pump Water Heater Technical Manual 17 7 Piping Diagrams...

Страница 18: ...ithout duct B Only air outlet with canvas A 5m It is recommended to install unit by this way in the winter where there is other heat source in the room C Air inlet and outlet with duct A B 5m D Only a...

Страница 19: ...MCAC RTSM 2011 12 Midea Combo Type Heat Pump Water Heater Technical Manual 19 9 Exploded View Model RSJ 15 190RDN3 D...

Страница 20: ...Discharge temp sensor ass y 14 Foam tank ass y 26 Junction box cover 14 1 Temperature and pressure safety valve 27 Room temp sensor ass y 14 2 Water Outlet pipe 28 Junction box cover 14 3 Electric he...

Страница 21: ...MCAC RTSM 2011 12 Midea Combo Type Heat Pump Water Heater Technical Manual 21 Model RSJ 35 300RDN3 D...

Страница 22: ...expansion valve 14 3 Temp sensor 24 4 Solenoid valve 14 4 Magnesium anode 25 Compressor 14 5 Thermometer 26 Discharge temp sensor ass y 14 6 Stator of temp sensor 27 Room temp sensor ass y 14 7 Elect...

Страница 23: ...Type Heat Pump Water Heater Technical Manual 23 Part 3 Installation 1 Precautions 24 2 Installation information 25 3 Unit Appearance and Composition 27 4 Accessories 29 5 Inspecting and Handling the...

Страница 24: ...y yourself Improper installation may result in water leakage electric shock or fire Electric connection work should obey the instructions of local power company local electric utility and this manual...

Страница 25: ...uld be inclined no more than 2 and able to bear weight of the unit and suitable for installing the unit without increasing noise or vibration The operation noise and air flow expelled shall not affect...

Страница 26: ...units Incomplete installation performed by yourself may result in a water leakage electric shock or fire The place without direct sunlight and other heat supplies If there s no way to avoid these plea...

Страница 27: ...MCAC RTSM 2011 12 Midea Combo Type Heat Pump Water Heater Technical Manual 27 3 Unit Appearance and Composition Model RSJ 15 190RDN3 D...

Страница 28: ...MCAC RTSM 2011 12 Midea Combo Type Heat Pump Water Heater Technical Manual 28 Model RSJ 35 300RDN3 D...

Страница 29: ...f the water heater should be earthed the power cord should be connected with the external earthing line in reliable state and all the external earthing cables are effective The construction of the wir...

Страница 30: ...power supply equipment Please select the cable diameter according to the following methods 1 Diameter of the main line a Get from the power supply specification table according to the sum of horsepow...

Страница 31: ...p Water Heater Technical Manual 31 Part 4 Trial Operation 1 Confirmation Before the Trial Operation 32 2 Operation Instruction 32 3 PCB explanation 43 4 Maintenance 45 5 Malfunctions and Resolutions 4...

Страница 32: ...teps below Water affusion If the unit is used for the first time or used again after emptying the tank please make sure that the tank is full of water before turning on the power Method see figure 2 1...

Страница 33: ...ng moving etc the tank should be emptied Method See Figure 2 1 2 Close Open Drainpipe Open Cool water inlet Hot water outlet Close the cool water inlet open the hot drainpipe water outlet and open the...

Страница 34: ...lightened otherwise will be extinguished Alarm When unit is under protection error it will flash it with 5Hz frequency as well as buzzer will sound 3 times every 1 minute until protection error elimin...

Страница 35: ...2 3 2 Lock and Unlock In order to prevent wrong operation a special lock function has been designed If there is no operation for 1min the unit will be locked automatically and display the lock sign Lo...

Страница 36: ...rt to heat water up to 65 to kill the potential legionella bacteria inside water of tank 2 2 3 5 Temperature Setting Temp displayed is the water temp in the upper part of the tank Default is 55 Method...

Страница 37: ...tatus The LA code from the screen of set Temp will appear and remind user when ambience temp not meet the operation condition of heat pump unit beyond 7 43 User can switch the economy mode to E heatin...

Страница 38: ...rotection 10 sec after compressor startup Current checking starts 1 only compressor running if it is 7A the compressor will be stopped and protected 2 Compressor e heater opened if it is IEH 7 the com...

Страница 39: ...RSJ 15 190RDN3 D Compressor GMCC PJ125G1C 4DZDE R134a compressor ATCO Temp Switch If the water temperature is too high If the temperature is higher than 78 the ATCO will automatically shut off the pow...

Страница 40: ...off the power of compressor and E heater it must be re turn on manually High Pressure Switch switch OFF when 2 76MPa switch ON when 2 07MPa Fan Centrifugal type 220V 240V 50Hz 3 Speeds 2 4 2 System I...

Страница 41: ...10 min for each start cycle system will count accumulated running time when accumulated running time reaches 40min defrosting cycle will activate 2 min after Compressor s next start Conditions to inac...

Страница 42: ...splay is the water temperature in upper part of water tank over 1 4 which you will use but not that of all the water b In water using the temperature of the lower part may decrease while the upper par...

Страница 43: ...MCAC RTSM 2011 12 Midea Combo Type Heat Pump Water Heater Technical Manual 43 3 PCB explanation PCB I O Ports description...

Страница 44: ...Manual 44 3 2 SW1 SW2 Setting 3 3 Self checking function For the convenience of maintenance and debug query function is available by Press 2 buttons together then system running parameters will be sh...

Страница 45: ...arly 4 2 Non error Malfunction 4 2 1 3 min Protection With the power supplied an immediate restart after the shutting down will have to wait 3 min as to protect the compressor 4 2 2 If self protection...

Страница 46: ...emp protection Tp 115 Protection active Tp 90 Protection inactive E2 Tank and Wired Controller communication error P3 Compressor abnormally stopped protection The discharge temperature is not so highe...

Страница 47: ...rature sensor cables 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 E0 Is T5U po...

Страница 48: ...sor cables 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 E1 Is T5L port on PCB...

Страница 49: ...ensor cables 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 E4 Is T3 port on PCB...

Страница 50: ...sor cables 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 E5 Is T5 port on PCB l...

Страница 51: ...nsor cables 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 E6 Is Tp port on PCB...

Страница 52: ...3 There is some conducting liquid on the main board 4 The power line is damage Troubleshooting E8 Check whether there is some conducting liquid on the main board Check whether the power line is damage...

Страница 53: ...nect 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 E9 Is Th port on PCB loose Temperature sen...

Страница 54: ...electronic component on the main board for E heater is broken 4 The thermostat is open Troubleshooting E8 Check whether the power voltage is at the range of 220 V 10 Check whether the electronic comp...

Страница 55: ...omething wrong with the outdoor unit PCB 2 Something wrong with the EEPROM 3 External factor other than malfunction Troubleshooting Ed Turn the power supply off once and then back on Is normal reset p...

Страница 56: ...of malfunction detection Check whether the clock chip is damage Supposed Causes 1 The clock chip is damage 2 There is something wrong in the main board Troubleshooting EF Check whether the clock chip...

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