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MCAC-RTSM-2013-12
Midea High-temperature Direct-heating
Applicable Models:
Midea reserves the right to discontinue, or change at any time, specifications or designs without notices and
without incurring obligations.
Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual
Heat Pump Water Heater
Technical Manual
RSJ-100/N1-540V-D
RSJ-200/SN1-540V-D
RSJ-380/SN1-820-D
1
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Table of Contents
Related Manuals for Midea RSJ-100/N1-540V-D
Summary of Contents for Midea RSJ-100/N1-540V-D
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Page 1: Applicable Models
Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 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: Table Of Contents
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual Contents Part 1 General Information ............... 3 1. Measurements....................... 4 2. External Appearance .................... 4 3. Nomenclature ......................5 4. Features ......................... 6 Part 2 Outdoor Units ................. 7 1. Specifications ....................... 8 2. -
Page 3: Part 1 General Information
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual Part 1 General Information 1. Measurements ..................4 2. External Appearance ................4 3. Nomenclature ..................5 4. Features ....................6... -
Page 4: Measurements
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 1. Measurements Model Dimension (mm) Net/ Gross Weight Power Supply Width: 750 RSJ-100/N1-540V-D Height: 1100 121/129 220~240V-1ph-50Hz Depth: 750 Width: 750 RSJ-200/SN1-540V-D Height: 1100 145/152 340~420V-3ph-50Hz Depth: 750 Width: 992... -
Page 5: Nomenclature
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 3. Nomenclature Commercial Water Heating Unit 9 10 Design code Refrigerant code Water supply pump lift code Other functions code Power supply specification code Heating mode code Water tank volume, unit: L... -
Page 6: Features
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating 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 7: Part 2 Outdoor Units
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 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: Specifications
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 1. Specifications HPWH SPECIFICATION RSJ-100/N1-540V-D RSJ-200/SN1-540V-D RSJ-380/SN1-820-D Model Power supply Ph-V-Hz 1-220-50 3-380-50 3-380-50 Capacity 11.2 20.4 Water Input 2.85 10.5 Heating Rated current 13.8 15.9 Max. input consumption 3.97 15.26... - Page 9 MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual Speed(hi/lo) r/min 735 / 530 905/730 850/750 Number of rows 2×2 Tube pitch(a)x row pitch(b) 25.4X0 25.4X22 25.4X22 c. Fin spacing Hydrophilic Hydrophilic Hydrophilic outdoor coil Fin type aluminum aluminum aluminum Ф9.52 inner groove...
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Page 10: Capacity Tables
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 2. Capacity tables Note: OT – Outdoor Temperature (DB); OT(℃) Inlet water Outlet water Mode Capacity(kW) temperature (℃) temperature(℃) 11.37 4.56 11.48 4.36 11.47 4.09 11.41 3.82 11.30 3.53 10.50 4.23... - Page 11 MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual OT(℃) Inlet water Outlet water Mode Capacity(kW) temperature (℃) temperature(℃) 20.88 4.75 21.00 4.48 20.99 4.20 21.85 4.00 20.05 3.76 19.62 4.45 19.90 4.28 19.89 4.02 19.54 3.90 18.96 3.60 17.56...
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Page 12: Mcac-Rtsm
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual OT(℃) Inlet water Outlet water Mode Capacity(kW) temperature (℃) temperature(℃) 43.00 5.07 42.88 4.70 42.41 4.35 42.21 4.12 40.72 3.79 40.32 4.90 40.04 4.53 39.56 4.19 38.46 3.96 37.04 3.61 36.48... -
Page 13: Dimensions
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 3. Dimensions RSJ-380/SN1-820-D RSJ-100/N1-540V-D RSJ-200/SN1-540V-D... -
Page 14: Service Space
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 4. Service Space Make sure that enough space for maintenance and air inlet is left when installing (as diagrams below) RSJ-100/N1-540V-D RSJ-200/SN1-540V-D RSJ-380/SN1-820-D Model >400 >400 >400 >600 >600 Maintenance... -
Page 15: Wiring Diagrams
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 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 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 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 Main Control Board Interface...
- Page 19 MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual Ports explanation Port explanation Port explanation Low-Pressure Protection Short Connection Digital Tube Defrosting Cycle Select E-Heater Select Reserved Address Setting Dip Heat-Exchanger Temp. Sensor And Ambient Electric-Heating Temperature Setting Dip Temp.
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Page 20: Piping Diagrams
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 6. Piping Diagrams RSJ-100/N1-540V-D RSJ-200/SN1-540V-D RSJ-380/SN1-820V-D To the user Used for pipe network water returning Pressure-bearing tank Tap water... -
Page 21: Part 3 Installation
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 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. -
Page 22: Precautions
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating 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 23: Installation Information
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual ■ Never touch the internal parts of the controller. Do not remove the front panel. Some parts inside are dangerous to touch, and a machine trouble may happen. ■ Never expose little children, plants or animals directly to the air flow. Adverse influence to little children, animals and plants may result. -
Page 24: Accessories
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 3. Accessories Please check whether the following fittings are of full scope. If there are some spare fittings, please restore them carefully. Name Quantity Application —— Installation and Operation Manual... -
Page 25: Connection Diagram
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 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 5.2 Multiple Unit Connection Diagram...
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Page 27: Operation Instruction
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 6. Operation Instruction 1. This type of heat pump is designed to connect with a pressure-bearing tank. While installing, please refer to the recommended connection diagram in the owner’s manual. If it is needed to be connected with an open tank, the water level controlling and the water cycling heating controlling should be realized in projecting. -
Page 28: Installation Instruction
A brass DN25 mode Y-type filter in 80 meshes is equipped with each finished unit of the RSJ-380/SN1-820-D, RSJ-200/SN1-540V-D and RSJ-100/N1-540V-D model. The filter is required to be installed in the water inlet pipeline at the place closed to the water tank, otherwise, the filter and high-precision temperature valve inside the unit might be blocked out by dirt. - Page 29 MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 7.4.2 Installation of the Temp. Sensor 8 blind copper pipe or stainless steel pipe Connect 0# main unit Water tank temperature sensor Port airproof Heat conduction silica gel filling water outlet...
- Page 30 MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual RSJ-100/N1-540V-D Unit number Main water inlet pipeline Main water outlet pipeline 1 set DN25 DN25 2 sets parallel connection DN25 DN25 3 sets parallel connection DN32 DN32 4~5 sets parallel connection...
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Page 31: Electric Wiring
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 8.Electric Wiring 1. Attention ● The water heater should powered separately and the power voltage should be in line with rated voltage.. ● The power supply circuit of the water heater should be earthed, the power cord should be connected with the external earthed line in reliable state and all the external earthed cables are effective. - Page 32 MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual Electric Control Schematic Diagram of Parallel Connection of Two Units...
- Page 33 MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual Connection of the wire controller Please connect by 5-bit shielded wire in accessory bag (a 10m end-to-end wire), which length depends on the specific situation to lengthen, but couldn’t exceed than 40 m. If a longer one you need, please consult the factory and the dealer.
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Page 34: Part 4 Trial Operation
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual Part 4 Trial Operation 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. -
Page 35: Confirmation Before The Trial Operation
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating 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 36: Wired Controller And Operation
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 3. Wired Controller and Operation AUXILIA RY (Press for 3sec to (Press for 3sec to cancel timer) unlock) 1. Operation icon 2. Mode area 3. Setting temperature 4. Timing on/off 5. - Page 37 MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual Icon description 1. Operation icon : Indication of unit ON or OFF status 2. Mode area: Indicate the main unit operation mode. 3. Setting temperature: Three statuses about water temperature, setting water temperature and setting cycle water temperature can be displayed.
- Page 38 MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 12. OK key: Press this key to confirm settings. Press and hold this key for 3 seconds to unlock under locking status; 13. Setting key: Setting water temperature, timing and mode etc.; Press and hold this key for 3 seconds to enter check status;...
- Page 39 MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 3. Setting water temperature You can press the“▲”or“▼”directly to adjust the water temperature after the controller powered on. Or press“SET”key once when“SET WATER TEMP”is displayed on the LCD and then press “▲”or“▼”to adjust water temperature.
- Page 40 MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 5. Setting working mode Pressing “SET” key three times to enter the working mode setting page, then pressing the“▲” or “▼” key to adjust , after selecting your need mode you can press “OK” key or wait seven seconds to confirm;...
- Page 41 MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 8. Auxiliary operation 1) Electric auxiliary heating This function allows running the electric auxiliary heating of main unit manually. Operation method: press “AUXILIARY” key once to enter this function“ ” icon will flash, and then E-H EAT press “OK”...
- Page 42 MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 3) Water pump (reserved for future use.) This function is used to run the main water pump in 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.
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Page 43: Water Tank Cleaning
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 4. Water tank cleaning To guarantee the water 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. -
Page 44: Error Code Cause Analysis And The Solutions
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 6. Error Code Cause Analysis and the Solutions Code Code explanation Cause analysis Solution Reverse-connection of the unit three-phase Exchange the two supply lines after supply line power off. Power phase... - Page 45 MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual De-frosting solenoid Check the de-frosting solenoid valve. valve is not open De-frosting mode The four-way directional valve Check the four-way directional valve. cannot change the direction Current protection for Compressor current protection before system...
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Page 46: Main Control Board Spot Check
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 7. Main control board spot check Sequence System operation parameters Remarks Normal display Water out temperature Value of T1 Pipe temperature Value of T3 Ambient temperature Value of T4 Water tank temperature... -
Page 47: Troubleshoot Of Abnormal Phenomena
MCAC-RTSM-2013-12 Midea High-temperature Direct-heating Heat Pump Water Heater Technical Manual 9. Troubleshoot of abnormal phenomena Phenomena Cause Air supply motor stop automatically to defrost. At the beginning and the end of the defrost process, sound is give out in Not distribute to motor valve occur.