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Midea RSJ-100/N1-540V-D, Technical Manual

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MCAC-RTSM-2013-12 

Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 

1 

Midea High-temperature Direct-heating 

Heat Pump Water Heater 

Technical Manual 

 

 

 

 

Applicable Models:   

              RSJ-100/N1-540V-D 

                RSJ-200/SN1-540V-D 

              RSJ-380/SN1-820-D 

 

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

 

Summary of Contents for RSJ-100/N1-540V-D

Page 1: ...ual 1 Midea High temperature Direct heating Heat Pump Water Heater Technical Manual Applicable Models RSJ 100 N1 540V D RSJ 200 SN1 540V D RSJ 380 SN1 820 D Midea reserves the right to discontinue or change at any time specifications or designs without notices and without incurring obligations ...

Page 2: ...ion 21 1 Precautions 22 2 Installation information 23 3 Accessories 24 4 Inspecting and Handling the Unit 24 5 Connection Diagram 25 6 Operation Instruction 27 7 Installation Instruction 28 8 Electric Wiring 31 Part 4 Trial Operation 34 1 Confirmation before the trial operation 35 2 Water Pump Air Extraction 35 3 Wired Controller and Operation 36 4 Water tank cleaning 43 5 Schematic Diagram of the...

Page 3: ...MCAC RTSM 2013 12 Midea High temperature Direct heating Heat Pump Water Heater Technical Manual 3 Part 1 General Information 1 Measurements 4 2 External Appearance 4 3 Nomenclature 5 4 Features 6 ...

Page 4: ...et Gross Weight Power Supply RSJ 100 N1 540V D Width 750 Height 1100 Depth 750 121 129 220 240V 1ph 50Hz RSJ 200 SN1 540V D Width 750 Height 1100 Depth 750 145 152 340 420V 3ph 50Hz RSJ 380 SN1 820 D Width 992 Height 1750 Depth 893 290 297 340 420V 3ph 50Hz 2 External Appearance RSJ 380 SN1 820 D RSJ 200 SN1 540V D RSJ 100 N1 540V D ...

Page 5: ...er heating unit code Export model code 9 10 Power supply specification code Heating mode code Rated hot water output unit 100 W Water tank volume unit L Other functions code Water supply pump lift code Refrigerant code 11 Design code For example S 820 RSJ B 380 Configuration code Power supply specification cod Water heating unit code Rated hot water output unit 100 W Refrigerant code ...

Page 6: ... simply through the wired controller 4 3 Automatic control Automatic start up and shutdown automatic defrosting Save you much extra operation 4 4 Rapid speed to produce hot water 4 5 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 4 9 4 6 All the weather running Within the tempe...

Page 7: ... Midea High temperature Direct heating Heat Pump Water Heater Technical Manual 7 Part 2 Outdoor Units 1 Specifications 8 2 Capacity tables 10 3 Dimensions 13 4 Service Space 14 5 Wiring Diagrams 15 6 Piping Diagrams 20 ...

Page 8: ... 5 15 26 Max input current A 18 2 13 26 7 starting current A 98 74 74 Compressor Model ZP36KSE PFZ 522 ZP67KCE TFD 522 ZP67KCE TFD 420 Type SCROLL SCROLL SCROLL Brand COPELAND COPELAND COPELAND Supplier EMERSON EMERSON EMERSON Capacity kW 8 8 16 2 16 2 Input kW 2 94 5 2 5 2 Rated current RLA A 13 6 9 1 9 1 Locked rotor Amp LRA A 98 74 74 Thermal protector 145 135 135 Capacitor uF 80μF 440V Refrige...

Page 9: ...61 62 Outdoor unit Dimension W H D mm 750 1100 750 750 1100 750 992 1750 893 Packing W H D mm 770 1160 770 770 1160 770 1075 1920 920 Net Gross weight kg 121 129 145 152 290 297 Refrigerant type Quantity Kg R410a 1 5 R410a 2 8 R410a 5 7 Design pressure MPa 4 4 2 6 4 4 2 6 4 4 2 6 Ambient temp 15 43 15 43 15 43 water pipe Diameter water inlet pipe mm DN25 DN25 DN25 Diameter water outlet pipe mm DN2...

Page 10: ... 3 53 15 12 9 40 10 50 4 23 9 45 10 88 4 29 9 50 10 89 4 03 9 55 10 81 3 76 9 60 10 67 3 48 10 8 9 40 9 67 3 84 9 45 9 63 3 43 9 50 10 05 3 60 9 55 9 96 3 45 9 60 9 22 3 04 5 4 9 40 8 91 3 46 9 45 9 06 3 39 9 50 9 16 3 24 9 55 9 22 3 13 9 60 8 85 2 90 0 9 40 7 69 3 14 9 45 7 69 2 99 9 50 6 62 2 51 9 55 6 53 2 34 9 60 6 51 2 20 5 9 40 6 68 2 86 9 45 6 64 2 67 9 50 6 67 2 49 9 55 6 15 2 22 9 60 5 59...

Page 11: ...9 90 4 28 9 50 19 89 4 02 9 55 19 54 3 90 9 60 18 96 3 60 10 8 9 41 17 56 3 85 9 45 17 47 3 91 9 50 18 09 3 75 9 55 17 97 3 57 9 60 17 34 3 32 5 4 9 40 16 21 3 80 9 45 16 63 3 66 9 50 16 51 3 42 9 55 16 20 3 31 9 60 15 98 3 14 0 9 41 14 42 3 27 9 45 14 67 3 17 9 50 13 98 2 99 9 55 13 83 2 73 9 57 13 47 2 58 5 9 40 13 14 3 14 9 45 13 10 2 97 9 50 12 75 2 73 9 55 11 04 2 42 9 57 10 42 2 24 10 9 40 1...

Page 12: ... 4 53 9 50 39 56 4 19 9 55 38 46 3 96 9 60 37 04 3 61 10 8 9 40 36 48 4 48 9 45 35 84 4 07 9 50 34 89 3 69 9 55 33 67 3 36 9 60 32 15 3 08 5 4 9 40 31 71 3 89 9 45 30 58 3 48 9 50 30 04 3 19 9 55 29 21 2 97 9 60 28 01 2 71 0 9 40 25 51 3 16 9 45 25 43 2 95 9 50 24 94 2 74 9 55 24 89 2 55 9 60 23 99 2 39 5 9 40 21 77 2 75 9 45 20 92 2 47 9 50 20 79 2 33 9 55 20 12 2 20 9 60 19 71 2 05 10 9 40 18 51...

Page 13: ...AC RTSM 2013 12 Midea High temperature Direct heating Heat Pump Water Heater Technical Manual 13 3 Dimensions RSJ 380 SN1 820 D RSJ 100 N1 540V D RSJ 200 SN1 540V D 998 865 1765 998 865 1765 998 865 1765 ...

Page 14: ...left when installing as diagrams below Model RSJ 100 N1 540V D RSJ 200 SN1 540V D RSJ 380 SN1 820 D Maintenance space 600 1000 400 Heat pump water heating unit 600 1000 400 Heat pump water heating unit 600 400 Heat pump water heating unit Note The air outlet of the unit at the top cannot be blocked If there are obstacles above it keep the unit at least 2000 mm away from them ...

Page 15: ...MCAC RTSM 2013 12 Midea High temperature Direct heating Heat Pump Water Heater Technical Manual 15 5 Wiring Diagrams Internal wiring schematic diagram of RSJ 380 SN1 820 D ...

Page 16: ...MCAC RTSM 2013 12 Midea High temperature Direct heating Heat Pump Water Heater Technical Manual 16 Internal wiring schematic diagram of RSJ 200 SN1 540V D ...

Page 17: ...MCAC RTSM 2013 12 Midea High temperature Direct heating Heat Pump Water Heater Technical Manual 17 Internal wiring schematic diagram of RSJ 100 N1 540V D ...

Page 18: ...MCAC RTSM 2013 12 Midea High temperature Direct heating Heat Pump Water Heater Technical Manual 18 Main Control Board Interface ...

Page 19: ...ressor Current Transformer 15 2 Compressor Current Transformer 16 Power Interface 17 Fuse 5A 18 Transformer Input Port 19 Controlling Wire Defrosting Valve By Pass Solenoid Valve Circulating Water Pump And Crankcase Heating Zone 20 Inspection Button 21 Model Selection Dip 22 Alarm Controlling Wire 23 Main Chip 24 E Heater And Circulating Pump Controlling Wire 25 Refrigerant Electric Heating Stick ...

Page 20: ...gh temperature Direct heating Heat Pump Water Heater Technical Manual 20 Tap water Pressure bearing tank To the user Used for pipe network water returning 6 Piping Diagrams RSJ 100 N1 540V D RSJ 200 SN1 540V D RSJ 380 SN1 820V D ...

Page 21: ... Pump Water Heater Technical Manual 21 Part 3 Installation 1 Precautions 22 2 Installation information 23 3 Accessories 24 4 Inspecting and Handling the Unit 24 5 Connection Diagram 25 6 Operation Instruction 27 7 Installation Instruction 28 8 Electric Wiring 31 ...

Page 22: ... cause injury Never use a flammable spray such as hair spray lacquer paint near the unit It may cause a fire Never touch the air outlet or the horizontal blades while the swing flap is in operation Fingers may become caught or the unit may break down Never put any objects into the air inlet or outlet Objects touching the fan of high speed can be dangerous Do not dispose this product as unsorted mu...

Page 23: ...and suitable for installing the unit horizontally without increasing noise or vibration The operation noise and air flow expelled shall not affect neighbors No flammable gas is leaked nearby It is convenient 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 mine...

Page 24: ...or 1 Water tank temperature check 4 Y type filter 1 Inlet water filter 4 Inspecting and Handling the Unit After delivery the package should be checked and any damage should be reported immediately to the carrier claims agent When handling the unit take into account the following 1 Fragile handle the unit with care Keep the unit upright in order to avoid compressor damage 2 Choose before hand the p...

Page 25: ...MCAC RTSM 2013 12 Midea High temperature Direct heating Heat Pump Water Heater Technical Manual 25 5 Connection Diagram 5 1 Single Unit Connection Diagram ...

Page 26: ...MCAC RTSM 2013 12 Midea High temperature Direct heating Heat Pump Water Heater Technical Manual 26 5 2 Multiple Unit Connection Diagram ...

Page 27: ...rculation 3 Hot water supply There is no need to use an additional hot water pump to boost the hot water to the end users since the storage tank is a pressurized type If the pressure of the tap water is not stable an one way valve is suggested to be located near the cold water inlet of the tank 4 Pipe network return not essentially for the hot water supplying system When the return temperature con...

Page 28: ...ld be more than 6 m3 h for RSJ 380 SN1 820 D 4 m3 h for RSJ 200 SN1 540V D and 2 m3 h for RSJ 100 N1 540V D The lift of the pump is sampled according to the hydraulic calculation 7 3 The fall between the main unit and the hot water tank The lift of the circulating pump should be corresponded to the fall between the main unit and the hot water tank If it is not big enough some protecting code may a...

Page 29: ...25 13 14 sets parallel connection DN125 DN125 15 16 sets parallel connection DN150 DN150 RSJ 200 SN1 540V D Unit number Main water inlet pipeline Main water outlet pipeline 1 set DN25 DN25 2 sets parallel connection DN32 DN32 3 sets parallel connection DN50 DN50 4 5 sets parallel connection DN50 DN50 6 7 sets parallel connection DN65 DN65 8 sets parallel connection DN65 DN65 9 12 sets parallel con...

Page 30: ...parallel connection DN65 DN65 15 16 sets parallel connection DN65 DN65 7 6 Installation pipe hot Heat Preservation Formation a Antisepsis layer b Glide layer c Adiabatic layer d Waterproof layer e Outer safeguard layer Pipe Antisepsis Formation a Antisepsis layer b Waterproof layer c Outer safeguard layer Antisepsis layer red lead paint Adiabatic layer mineral wool rubber plastic sponge foaming po...

Page 31: ...out by professionals in accordance with the circuit diagram Set up leakage protection devices in accordance with the requirements of the relevant national technical standards The power cord and the signal line should be laid neatly without cross interfere and should not contact with the connecting pipe and the valves The unit is not equipped with power cord Please refer to the prescribed power spe...

Page 32: ...MCAC RTSM 2013 12 Midea High temperature Direct heating Heat Pump Water Heater Technical Manual 32 3 Electric Control Schematic Diagram of Parallel Connection of Two Units ...

Page 33: ...r 5 Power specification Power MIN Cord Diameter m Manual Switch A Leakage Protector Phase Wire Length 30m Ground Wire Capacity Fuse RSJ 100 N1 540V D 220V 1PH 50Hz 6 4 50 30 30mA 0 1 sec RSJ 200 SN1 540V D 380V 3PH 50Hz 6 4 50 30 30mA 0 1 sec RSJ 380 SN1 820 D 380V 3PH 50Hz 10 5 60 50 30mA 0 1 sec Note The wire diameter and the continuous length in the table are for the condition that the voltage ...

Page 34: ...Confirmation before the trial operation 35 2 Water Pump Air Extraction 35 3 Wired Controller and Operation 36 4 Water tank cleaning 43 5 Schematic Diagram of the Unit System 43 6 Error Code Cause Analysis and the Solutions 44 7 Main control board spot check 46 8 Failure without Code 46 9 Troubleshoot of abnormal phenomena 47 ...

Page 35: ... inlet and outlet of the unit 1 10 The leakage protector can work effectively 2 Water Pump Air Extraction Exchange water pump power line Open the valves on the circulating pipeline Y Pipeline air exhaust Hit the AD conductor of the circulating pump to inhale manually and the water pump runs The water is inhaled into the pipeline and flow through the unit then return to the tank at last The air in ...

Page 36: ...ouch key operation and LED displays operation parameters 5 Multiple timer and real time clock battery life 5 8 years 14 13 3 1 2 4 16 11 15 5 6 7 8 9 10 11 12 Press for 3sec to cancel timer Press for 3sec to unlock AUXILIA RY 1 Operation icon 2 Mode area 3 Setting temperature 4 Timing on off 5 Function icon 6 On line units quantity indication 7 Water level indication 8 Clock 9 Water temperature 10...

Page 37: ...temperature is below 2 which means the main unit need anti freezing action 8 Display when no key operation for 2 minutes and all keys are locked You can press and hold OK key for 3 seconds to unlock 9 Display when error or protection occurs and means the unit need maintenance by professionals 6 On line unit qty indication Under normal status display the quantity of units connected to the wire cont...

Page 38: ... heating function electric auxiliary heating function or water pump function Operation instruction 1 Setting wired controller This controller needs setting before applying to certain HPWH models Setting method When the controller is OFF press and hold two buttons waiting for one number 1 to 5 displayed on the screen press or button and select the number 1 which match with the main unit then press ...

Page 39: ...er the main page the page displayed after the controller powered on 4 Timing setting Press SET key under main page twice to enter timing setting Then the LCD will display as the following At this time the hour of the clock will flash which means the current setting is the hour of Timer 1 please press the or to adjust and key to confirm when finished and then the minute of the clock will flash whic...

Page 40: ... clock will flash which means the current setting is the hour of the clock press the or to adjust press key when finished and then the minute of the clock will flash it means the current setting is the minute of the clock press the or to adjust press OK key when finished or wait for 7 seconds to confirm During the setting process you can press the CANCEL key to exit without saving 7 Setting water ...

Page 41: ...tric auxiliary heating of main unit manually Operation method press AUXILIARY key once to enter this function icon will flash and then press OK key to confirm 2 Cycle heating Cycle heating function makes the direct heating water heater to run the cycle heating function Operation method Press AUXILIARY key twice to enter this function icon will flash press OK key to confirm E HEAT CYCLE ...

Page 42: ...the device installing and debugging Operation method when the wire controller is set to be 1 press AUXILIARY key 3 times to enter this function icon will flash and then press OK key to confirm 4 Cancel auxiliary To stop the auxiliary function press the AUXILIARY key again and then press CANCEL key when the corresponding icon is flashing Then the auxiliary function will be cancelled PUMP ...

Page 43: ... quality the water tank should be washed and the initially produced hot water should be drained away from the effluent at the bottom of the water tank 5 Schematic Diagram of the Unit System 1 Directing water heating thick line part 2 De frosting thick line part Water tank PTE Heat exchanging Compressor Water tank Heat exchanging PTE Compressor ...

Page 44: ... failure The T3 port between the sensor and the main board is loose Insert the port well Sensor damage Replace the sensor E6 Outdoor ambient temperature sensor failure The T4 port between the sensor and the main board is loose Insert the port well Sensor damage Replace the sensor E7 Electric heating pipe temperature sensor failure RSJ 380 SN1 820 D The T6 port between the sensor and the main board...

Page 45: ...he same as the system high pressure protection P8 Protection for excessive high outlet water temperature Deficient water flow the outlet water temperature is higher than 70 and maintain for one minute The same as the system high pressure protection Pb Anti freezing protection Prevent PTE cracking by freezing in the winter Normal protection no need for treatment P4 Manual mode setting is invalid Wh...

Page 46: ...tion code If there is no code display 8 Failure without Code Failure description Cause analysis Solution The leakage switch is switched off which resulted in the impossible of switching in The input of the leakage switch is not equal to the output 1 Check whether the neutral line is connected through the output end of leakage switch The neutral line is not allowed to couple in the unit bypassing t...

Page 47: ...t or water discharge at dehumidifying operation Slight hiss is caused by heat exchanger as temperature changes The sound give out because of heat expands and cold contracts of heat exchanger During the beginning or just after have stopped sound like clock occur which is caused by electric expanding valve operation Please check that again Stop operation or drive up automatically Detect the timer wh...

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