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EcoSpring RSJ-35/300RDN3-B Technical Manual

2nd generation all in one type heat pump water heater
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Technical Manual
EcoSpring 2nd Generation ALL IN ONE Type
Heat Pump Water Heater
EcoSpring ES300
Applicable Model: RSJ-35/300RDN3-B
EcoSpring reserves the right to discontinue, or change
specification or designs at any time without notice and without incurring obligations.

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

  • Page 1 Technical Manual EcoSpring 2nd Generation ALL IN ONE Type Heat Pump Water Heater EcoSpring ES300 Applicable Model: RSJ-35/300RDN3-B EcoSpring reserves the right to discontinue, or change specification or designs at any time without notice and without incurring obligations.

  • Page 2: Table Of Contents

    EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual Contents Part 1 General Information ................5 1. Measurements....................... 6 2. External Appearance .................... 6 3. Nomenclature......................7 4. Features......................... 8 Part 2 Outdoor Units.................10 1. Specifications ......................11 2.

  • Page 4: Part 1 General Information

    EcoSpring 2 MCAC-RTSM-2009-04 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...

  • Page 5: Measurements

    EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 1. Measurements Dimension Net weight / Gross weight Model Power Supply (mm: OD x H) (kg) Φ650×1920 RSJ-35/300RDN3-B 113 /129 220~240V-1ph-50Hz 2. External Appearance RSJ-35/300RDN3-B...

  • Page 6: Nomenclature

    EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 3. Nomenclature Household Water Heating Unit 10 11 Design code Refrigerant code Water supply pump lift code Other functions code Power supply specification code Heating mode code...

  • Page 7: Features

    EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 4. Features 4.1 Safety Complete isolation between water and electricity. No electric shock problem, more safety. No fuel tubes and storage, no potential danger from oil leakage, fire, explosion etc.
  • Page 8 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 4.5 Automatic Control: Automatic start-up and shutdown, automatic defrosting by revising refrigerant cycle. Save 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 3.6 (under the condition A15/12 W15/45)

  • Page 9: Part 2 Outdoor Units

    EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump 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.

  • Page 10: Specifications

    EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 1. Specifications Model RSJ-35/300RDN3-B Economy Hybrid E-heater Running Models ℃ Running Ambient temp. -7~43 -30~43 -30~43 Power supply ph-V-Hz 220~240V-1ph-50Hz Storage size Capacity 3.00 3.00 3.00 Input 0.83...
  • Page 11 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual Auto/Manual start up, Energy-saving, standard, Enhanced Running Operation heating type heating water High-pressure protection, Over-load protection, Protection Method Temp protection, Electric leakage protection Φ650×1920 Dimension (D*H)

  • Page 12: Operation Range

    EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 2. Operation range Mode explanation: there are 3 operation MODE: ECONOMY, HYBRID and 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 resource.
  • Page 13 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual ECONOMY MODE: Hybrid mode:...
  • Page 14 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual E-HEATER MODE:...

  • Page 15: Capacity&Cop Table

    EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual Capacity & COP table Capa. (W) 5000 COP （W/W） 4500 4000 3500 3000 2500 2000 1500 1000 -7 -2 2 7 10 15 20 25 30 35 40 43 Ambient temp(℃)

  • Page 16: Dimensions

    EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 4. Dimensions...

  • Page 17: Service Space

    EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 5. Service Space 6. Wiring Diagrams 202301800820 manometer (High Pressure Switch) 202301300130 Discharge temp sensor ass'y (Tp) 202301300196 room temp sensor ass'y (T4)
  • Page 18 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 202301300437 Temp.sensor ass'y (T3) 202301300303 Temperature sensor (Th) 202301300485 senor ass'y, for the pipe (T5L) 202301300486 senor ass'y, for the pipe (T5Up) 202300800003 Relay of Elment & Compressor 202301610028 TCO(turn off temp.

  • Page 19: Piping Diagrams

    EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 7. Piping Diagrams...

  • Page 20: Duct Connection

    EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical 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 &...

  • Page 21: Exploded View

    EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 9. Exploded View...
  • Page 22 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual Part Name Part Name Quantity Airout ring Decorating board Air filter Cover, upper heating element Filter Deck magnet Plastic cowling Magnet clip Magnet cover Magnesium stick plug Four-way valve 23.1...
  • Page 23 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 34.2 Electric control board ass'y Wire joint, 3p Electric control board 16.1 jointing Front snail shell 16.2 Compressor capacitor Compressor connector 16.3 Main control board ass'y Platen 16.4...

  • Page 24: Part 3 Installation

    EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type 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........29 6. Electric Wiring..............29...

  • Page 25: Precautions

    EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 1. Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring of instructions may cause harm or damage.

  • Page 26: Installation Information

    EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual ■ It’s normal if some water drips from the hole of PT valve in operation. But, if the water is in a great amount, call your supplier for instructions.

  • Page 27: Unit Appearance And Composition

    EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual ■ The unit must be securely fixed, or else, noise and shaking will be resulted. ■ Make sure that there’s no remora around the unit. ■...

  • Page 28: Accessories

    EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 4. Accessories Check whether the following assemblies are complete. Name Quantity Note Purpose Installation& Operation Manual —— Installation and Operation instruction Y-sharp Filter —— Inlet water filter Drain Pipe for Condensate water ——...
  • Page 29 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 6.3 Power Supply Wiring . A. Power Supply Schematic Diagram Manual Switch Water Heating Unit Power supply Earthing Creepage Breaker Warming: Although there is a leakage protector in the electric control box of the unit, for the security reason, it is required that a leakage protection equipped cable and Earthing should be applied for the unit according to the requirement on the above diagram.

  • Page 30: Part 4 Trial Operation

    EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN 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 and Resolutions........53...

  • Page 31: Confirmation Before The Trial Operation

    EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 1. Confirmation Before the Trial Operation 1.1 All the installation is complete. 1.2 Water heater is installed correctly. 1.3 The pipelines and wiring are correct. 1.4 The accessories are installed correctly.
  • Page 32 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 2.1.2 After powered on, the display lights up. Users can operate the unit through the buttons under the display for different modes. Emptying: If the unit needs cleaning, moving etc, the tank should be emptied.
  • Page 33 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 2.2.2 Display Explanation TEMP-SET ECONOMY MODE ALARM HIGH TEMP FILL WATER LOCK HYBRID MODE OUTLET TEMP E-HEATER MODE TIMER TIME ON TIME OFF CONFLICT Number Explanation...
  • Page 34 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 2.2.4 Operation Instruction 2.2.4.1 Preparation before running the unit. When you run the unit for the first time, all the indicators on the UI will light for 3 second, and the buzzer will “didi”...
  • Page 35 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual Press the “UP” and “DOWN” key, you can Press the CLOCK ke y, the minute digit of adjust the minute. the clock on the display starts flashing slowly.
  • Page 36 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 2.2.4.4 Mode Selection The unit is enhanced with three operation modes, Economy Mode, Hybrid Mode and E-heater Mode. Economy Mode: The unit heats water only by compressor drive according to heat-pump principle.
  • Page 37 EcoSpring 2 ater Technical Manual MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water He 2.2.4.6 TIMER User can set up a running start time and a stop time on a specifically by the timer function. The least numbers of timer is ten minutes.Time on: User can set up a start time by this. The unit will auto run one time between the set time and 24:00 on the same day.
  • Page 38 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual Method for set. Press the TIMER ON key, the minute Press the UP and DOWN key,you can digit of the clock on the display starts adjust the minute setting.
  • Page 39 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual CANCEL: In the unlocked status, press the CANCEL key for 1s, the TIMER ON and TIMER OFF fuction will be canceled. NOTE: TIMER ON and TIMER OFF can not be set to the same time. If they are the same, the stop time will delay 10 minutes automatically.
  • Page 40 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual Press CANCEL key to stop the buzzer. The light will flash with Alarm ALARM The system will display the error code and the water tempera-ture alternatively on the display in error.
  • Page 41 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual When error happens, though the system could be used in some circumstances, it could not reach the expected efficiency. Please contact your supplier for help. Error Code Explanation (See table below table)
  • Page 42 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 2.3 Running and Operating 2.3.1 Trial Running Before running, please check the following items first: Correct installation of the system; Correct connection of pipeline and wiring;...
  • Page 43 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 2.4 Refrigerant figure 2.4.1 System Piping figure W a t e r o u t l e t T u p D r y e r...
  • Page 44 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual E v a p o r a t o r T e m p . T 3 C o m p . A m b i e n t T e m p . T 4 4 - w a y v a l v e D i s c h a r g e T e m p .
  • Page 45 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual (If Comp. restart frequently, which can only run within 10 min. for each start cycle, system will count accumulated running time, when accumulated running time reaches 40min, defrosting cycle will activate 2 min.
  • Page 46 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual The 6 indicators beside the water temperature on the display are the lower part water temperature. When the temperature is 15℃ lower than the set temperature, the blue one will light up; when 10℃...

  • Page 47: Pcb Explanation

    EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 3. PCB explanation Remote On/Off Response Remote On/OFF input from Solar pre-warming system 2.5 PCB I/O Ports description High-Pressure High electrical level signal means HPWH ON...
  • Page 48 EcoSpring 2 MCAC-R TSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual Wiring explanation...
  • Page 49 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater 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” Hour Min. Min. Tank Tank Temp. Temp.

  • Page 50: Maintenance

    MCAC-RTSM-2009-04 EcoSpring 2 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual Temp. valve T5L Lower Tank Temp Temp. valve T5U Upper Tank Temp Ambient Temp Temp. valve T4 Evaporator Temp Temp. valve T3 Discharge Temp Temp. valve Tp Temp.
  • Page 51 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 3.1.4 Check the sacrificial anode every half year and change it if it has been used out. For more details, please contact the supplier or the after-sale service.

  • Page 52: Malfunctions And Resolutions

    EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual 5 Malfunctions and Resolutions Malfunction Cause Resolutions Outlet water Bad connection of power supply Reconnect the plug; is cold. plug and socket; Set outlet water an a...
  • Page 53 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual Appendix 1 Temp.—Resistance Table of TP Sensor...
  • Page 54 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual Appendix 2 Temp.—Resistance Table of T3/T4/Tp/T5Up/T5L Sensor...
  • Page 55 EcoSpring 2 MCAC-RTSM-2009-04 Generation ALL IN ONE Type Heat Pump Water Heater Technical Manual...

This manual is also suitable for:

Es300

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