Midea RSJ-35/300RDN3-B Technical Manual Download

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MDV 2

Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual

Generation ALL IN ONE Type

Heat Pump Water Heater

Technical Manual

Applicable Models:

RSJ-35/300RDN3-B

Summary of Contents for RSJ-35/300RDN3-B

Page 1: ...MDV 2 2nd Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual nd Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual Applicable Models RSJ 35 300RDN3 B 1...

Page 2: ...Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual MDV reserves the right to discontinue or change at any time specifications or designs without notices and without incurring obligatio...

Page 3: ...Dimensions 17 5 Service Space 18 6 Wiring Diagrams 18 7 Piping Diagrams 20 8 Duct connection 17 9 Exploded View 22 Part 3 Installation 25 1 Precautions 26 2 Installation information 27 3 Unit Appeara...

Page 4: ...2nd Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual Part 1 General Information 1 Measurements 6 2 External Appearance 6 3 Nomenclature 7 4 Features 8 5...

Page 5: ...ONE Type Heat Pump Water Heater Technical Manual 1 Measurements Model Dimension mm OD x H Net weight Gross weight kg Power Supply RSJ 35 300RDN3 B 650 1920 113 129 220 240V 1ph 50Hz 2 External Appeara...

Page 6: ...ation code 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 mod...

Page 7: ...c No cross contamination potential the condenser coil wrapped around the stainless steel inner tank 4 2 Max outlet water Temperature 60 The system is adopted innovative heating methods combined the E...

Page 8: ...ve you much extra operation 4 6 High Efficiency and Energy Saving The unit adopts heat pump principle which absorbs heat from outdoor air and produce heat water thermal efficiency can be approximately...

Page 9: ...mp Water Heater Technical Manual Part 2 Outdoor Units 1 Specifications 11 2 Operation range 17 3 Capacity COP table 17 4 Dimensions 17 5 Service Space 18 6 Wiring Diagrams 18 7 Piping Diagrams 20 8 Du...

Page 10: ...put KW 4 3 Max current A 18 7 Starting current A 49 0 Model RB233GRDC Type Rotary Brand Guangzhou Mitsubishi electric Supplier Guangzhou Mitsubishi electric Capacity Btu h 9500 Input W 850 Rated curre...

Page 11: ...ce Brand Watts active condition 99 or 1 0Mpa Rated pressure MPa 1 2 Max Operation pressure MPa 0 7 Water outlet Temp default 55 38 60 water pipeline Heat exchanger Copper tube wrapped around outside o...

Page 12: ...E HEATER ECONOMY MODE Water firstly is heated by compressor if can t get target temp when ambient temp too low or too high limitation figure is shown above element will start as a secondary heat resou...

Page 13: ...2nd Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual ECONOMY MODE Hybrid mode 14...

Page 14: ...2nd Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual E HEATER MODE 15...

Page 15: ...ter Heater Technical Manual 3 Capacity COP table 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 7 2 2 7 10 15 20 25 30 35 40 43 0 5 1 1 5 2 2 5 3 3 5 4 4 5 5 5 5 Capa W COP W W Ambient temp Remark W...

Page 16: ...2nd Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 4 Dimensions 17...

Page 17: ...N ONE Type Heat Pump Water Heater Technical Manual 5 Service Space 6 Wiring Diagrams manometer High Pressure Switch 1 202301800820 Discharge temp sensor ass y Tp 1 202301300130 room temp sensor ass y...

Page 18: ...7 Temperature sensor Th 1 202301300303 senor ass y for the pipe T5L 1 202301300485 senor ass y for the pipe T5Up 1 202301300486 Relay of Elment Compressor 2 202300800003 TCO turn off temp 85 3 C manua...

Page 19: ...2nd Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 7 Piping Diagrams 20...

Page 20: ...Manual 8 Duct connection A Air inlet outlet without canvas B Only air outlet with canvas A 10m When there is stable heat source in room in winter C Air inlet outlet with canvas A B 10m D Only air inl...

Page 21: ...2nd Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 9 Exploded View 22...

Page 22: ...g 14 forming 1 24 3 Electronic Expansion Valve 14 1 forming plug 1 24 4 Solenoid valve 14 2 Froth plug 2 25 compressor 14 3 TCO turn off temp 85 3 C manually recovery 1 26 Discharge temp sensor ass y...

Page 23: ...ointing 1 35 front snail shell 16 2 Compressor capacitor 1 36 compressor connector 16 3 main control board ass y 1 37 Platen 16 4 transformer for power supply 1 38 back snail shell 16 5 Motor capacito...

Page 24: ...ype Heat Pump Water Heater Technical Manual Part 3 Installation 1 Precautions 26 2 Installation information 27 3 Unit Appearance and Composition 28 4 Accessories 29 5 Inspecting and Handling the Unit...

Page 25: ...into the air inlet or outlet When the fan is rotating at high speed it will cause injury Never use a flammable spray such as hair spray lacquer paint near the unit It may cause a fire Never touch the...

Page 26: ...onvenient for piping and wiring CAUTION Installing the equipment in any of the following places may lead to malfunction of the equipment if it is inevitable consult the supplier 1 The site contains mi...

Page 27: ...from the wind Carry the unit onto the site 1 In order to avoid scratch or deformation of the unit surface apply guard boards to the contacting surface 2 No contact of fingers and other things with the...

Page 28: ...he unit always use protectors to prevent belt damage and pay attention to the balance of the unit s gravity 6 Electric Wiring 6 1 Attention The water heater should powered separately and the power vol...

Page 29: ...ion box and the wiring b to the 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 a...

Page 30: ...ONE Type Heat Pump Water Heater Technical Manual Part 4 Trial Operation 1 Confirmation Before the Trial Operation 327 2 Operating Instruction 32 3 PCB explanation 51 4 Maintenance 51 5 Malfunctions a...

Page 31: ...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 1 Ho...

Page 32: ...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 nut of After emptying please close the nut of drainpipe Close...

Page 33: ...otection et blanks when screen protection 4 TEMP SET indicator Show the setting temperature and blank when screen protection Codes are show at the malfunction or protection time 12 TIME ON indicator I...

Page 34: ...n run the unit c When the unit is running if there is no operation or malfunction for 20s the backlight of the display will go out automatically except Clock indicator and Water fill indicator If ther...

Page 35: ...stop and clock set is successful Press the UP and DOWN key you can adjust the hou r Press the CLOCK key again the minute digit stops flashing while the hour digit starts Press the UP and DOWN key you...

Page 36: ...t of hot water is needed d E heater Mode The unit heats water only by electric heater Used when the ambient temp is very low e By default the unit operates in Hybrid Mode Change Press the MODE key ope...

Page 37: ...ps Press the UP and DOWN key you can adjust the hou r Press the TIMER ON key again the minute Press the UP and DOWN key you can adjust the minute the minute digit of the clock on the display starts fl...

Page 38: ...ps flashing and hour digit starts to flash Press the UP and DOWN key you can adjust the hour setting Press the TIMER OFF key the minute digit on the display start to flash slowly Press the UP and DOWN...

Page 39: ...nished and the system will run as the setting And simply press the same button to stop it 2 2 4 9 Operation status The LA code from the screen of set Temp will appear and remind user when ambience tem...

Page 40: ...l Manual ALARM The light will flash with Alarm Press CANCEL key to stop the buzzer The system will display the error code and the water tempera ture alternatively on the display in error The water tem...

Page 41: ...id mode when T4 12 as well as hot water is consumed too fast compressor element will start at the same time under this condition if current I 32A system consider it as current overload protection show...

Page 42: ...tion of the system 3 Correct connection of pipeline and wiring 4 Leakage of the refrigerant pipeline tested 5 Efficient drainpipe 6 Complete insulation protection 7 Correct earthing 8 Correct power su...

Page 43: ...ch ON High Pressure Switch switch OFF when 3 0MPa switch ON when 2 4MPa Fan Centrifugal type 220V 240V 50Hz 3 Speeds EEV Sanhua 1 3 EEV 4 Way Valve Hualu STF 02BN2 Compressor crankcase belt heater DJR...

Page 44: ...F a n m o t o r 3 s p e e d C o m p h e a t e r E E V E l e m e n t E l e m e n t p r e s e r v e d E l e c t r i c c o n t r o l b o x f a n p r e s e r v e d R e m o t e O n O f f s i g n a l o u t...

Page 45: ...ion temperature for each mode b Economy Mode 7 43 c Hybrid Mode 30 43 d E heater Mode 30 43 2 4 6 Self Protection Detection a When the self protection happens the system will be stopped and start self...

Page 46: ...high one and the system will start heating the lower part And it is normal 7 Error Shooting a When common error happens the system enters Standby Mode and could still work but not so efficient as norm...

Page 47: ...T3 Evaporator output Temp Sensor T5_U Upper tank water Temp senor T5_L Lower tank water Temp senor Tp Comp discharge Temp senor Th Comp Suction Temp senor Preserved Remote On OFF input from Solar pre...

Page 48: ...2 nd Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 49 Wiring explanation MCAC R...

Page 49: ...ter Technical Manual 3 2 SW2 SW3 SETTING 3 3 Self checking function How to get in self checking function Press 2 buttons together Cancel Clock No Hour Low bit Min High bit Min Low bit Ts High bit Ts L...

Page 50: ...e oversea type 11 X X Previous 1st error or protection code 12 X X Previous 2nd t error or protection code 13 X X Previous 3rd error or protection code 14 Y M M D D Software version record by date 4 M...

Page 51: ...appens and the system stops check When the power indicator lights up if the system is forced to run while startup requirement has not been met If the air outlet or inlet is jammed or strong wind blows...

Page 52: ...is damaged Reconnect the plug Set outlet water an a higher temperature Contact the technician No hot water from the outlet Tap water has been cut away Water pressure is too low Inlet valve has been cl...

Page 53: ...2nd Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual Appendix 1 Temp Resistance Table of TP Sensor 54...

Page 54: ...2nd Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual Appendix 2 Temp Resistance Table of T3 T4 Tp T5Up T5L Sensor 55...

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Midea RSJ-35/300RDN3-B, Technical Manual

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