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Midea RSJ-23/300RDN7-L2-D User Manual
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Midea RSJ-23/300RDN7-L2-D User Manual

Midea RSJ-23/300RDN7-L2-D User Manual

All in one type air-source heat pump water heater
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ALL IN ONE Type Air-source Heat Pump Water Heater
USER MANUAL
MODEL NUMBER:
RSJ-23/300RDN7-L2-D
Warning notices: Before using this product, please read this manual carefully and keep it for future reference.
The design and specifications are subject to change without prior notice for product improvement.
Consult with your dealer or manufacturer for details.
The diagram above is just for reference. Please take the appearance of the actual product as the standard.

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Summary of Contents for Midea RSJ-23/300RDN7-L2-D

  • Page 1 ALL IN ONE Type Air-source Heat Pump Water Heater USER MANUAL MODEL NUMBER: RSJ-23/300RDN7-L2-D Warning notices: Before using this product, please read this manual carefully and keep it for future reference. The design and specifications are subject to change without prior notice for product improvement.
  • Page 2 THANK YOU LETTER Thank you for choosing Midea! Before using your new Midea product, please read this manual thoroughly to ensure that you know how to operate the features and functions that your new appliance o ers in a safe way.
  • Page 3 If you can't make sure that your house power supply is earthed well, please don't install the unit. The unit must be installed by a licensed tradesperson and in accordance with： Midea installation instructions. ● AS/NZS 3500.4-"National Plumbing and Drainage Code Hot Water Supply ●...
  • Page 4 NOTE This water heater must be installed by a licensed person as required by the Building Act. Only a licensed person will give you a compliance certificate, showing that the work complies with all the relevant standards and only a licensed person will have insurance protecting their workmanship for 6 years.
  • Page 5 BATTERY DISPOSAL Dispose of used button/coin batteries immediately. ● Place sticky tape around both sides of the battery and dispose of it immediately ● in an outside bin, out of reach of children, or recycle safely. HOT WATER CAN BE DANGEROUS Warning –...
  • Page 6 EXPLANATION OF SYMBOLS DISPLAYED ON THE INDOOR UNIT OR OUTDOOR UNIT This symbol shows that this appliance used a flammable refrigerant. If the refrigerant is leaked and exposed to an WARNING external ignition source, there is a risk of fire. This symbol shows that the operation manual should be CAUTION read carefully.
  • Page 7 13. When a FLAMMABLE REFRIGERANT is used, the requirements for installation space of appliance and /or ventilation requirements are determined according to -- the mass charge amount (M) used in the appliance, -- the installation location, -- the type of ventilation of the location or of the appliance. 14.
  • Page 8 7. Ventilated area Ensure that the area is in the open or that it it adequately ventilated before breaking into the system or conducting any hot work. A degree of ventilation shall continue during the period that the work is carried out. The ventilation should safely disperse any released refrigerant and preferably expel it externally into the atmosphere.
  • Page 9 11. Repair to intrinsically safe components • Do not apply any permanent inductive or capacitance loads to the circuit without ensuring that this will not exceed the permissible voltage and current permitted for the equipment in use. • Intrinsically safe components are the only types that can be worked on while live in the presence of a flammable atmosphere.
  • Page 10 The refrigerant charge shall be recovered into the correct recovery cylinders. For appliances containing flammable refrigerants other than A2L refrigerants, the system shall be purged with oxygen-free nitrogen to render the appliance safe for flammable refrigerants. This process may need to be repeated several times. Compressed air or oxygen shall not be used for purging refrigerant systems.
  • Page 11 g)Start the recovery machine and operate in accordance with instructions. h)Do not overfill cylinders (no more than 80 % volume liquid charge) i) Do not exceed the maximum working pressure of the cylinder, even temporarily. j) When the cylinders have been filled correctly and the process completed, make sure that the cylinders and the equipment are removed from site promptly and all isolation valves on the equipment are closed o .
  • Page 12 • The hose must be of su cient length and diameter such that it will extend to at least 3 m beyond the outside of the building The venting should only take place on the certainty that the refrigerant will not get •...
  • Page 13 Please read thoroughly all of the instructions before installing or operating the unit. The following safety warnings are very important, always read and obey all safety symbols: WARNING • The unit must be earthed e ectively. • A RCD breaker must be installed adjacent to the power supply. •...
  • Page 14 CAUTION • The earthing pole of socket must be well grounded, make sure that power supply socket and plug are dry and connected tightly. • Before cleaning, be sure to stop the operation and turn the breaker o or pull out the power plug.
  • Page 15 SPECIFICATIONS Model RSJ-23/300RDN7-L2-D Water-heating cap. 2500W Rated power/AMPS 5100W/20.7A Power supply 220-240V~ 50Hz Operation control Auto/Manual startup, error alarm, timer, etc High-pressure Protector, Over-load Protector, Protection Temp Controller&Protector, etc E-heater power 4500W(240V) / 4100W(230V) R290(0.42kg) Refrigerant Outlet water temp. Default 65°C, (55-70°C adjustable)
  • Page 16 PRODUCT OVERVIEW NOTE • All the picture in this manual are for explanation purpose only. They may be slightly di erent from the heat pump water heater you purchased (depending on model). • Please refer to the real product instead of the picture of this manual. Water-proof Shield to be purchased by the client, not along with the product accessories.
  • Page 17 BASIC OPERATION PRINCIPLE We know from experience, the natural flow of heat, moves from a higher to a lower temperature source, a heat pump can transfer heat from a lower temperature source to a higher temperature source with high e ciency. The advantage of a heat pump water heater is that it can supply more heat energy, normally 3:1 times than input electricity power by extracting the heat from ambient atmosphere in a free charge way and transfer to Sanitary Hot Water.
  • Page 18 BEFORE INSTALLATION Unpacking 1.Accessories Accessory Name Qty. Shape Purpose Owner’s & Installation Owner’s & Installation Manual Manual Guide users to install and Safety manual use safely Fixed strap Fixed water tank Condensed water Drain condensate water drainage pipe Fixed condensate Laryngeal clamp drainage pipe Temperature and...
  • Page 19 The unit should be located in an area not subject to freezing temperatures. The unit ● located in unconditioned spaces (i.e.,garages, basements, etc.) may require the water piping, condensate piping, and drain piping to be insulated to shelter against freezing. CAUTION Installing the unit in any of the following places may lead to malfunction (If it is inevitable, consult the supplier prior to purchase).
  • Page 20 Mounting requirements The base surface should be flat, surface should be inclined no more than 2°, otherwise the fixing strap is recommended as shown as following figures: Fixed strap M8 expansion M8 expansion bolt fixing Wall bolt fixing Wall Expansion bolts One side wall (top view) Corner wall (top view) Unit outline dimension (unit: mm)
  • Page 21 INSTALLATION The circulating air for every unit should be more than 350m /h. Make sure there is enough Installation space. Refer outline dimensional drawing. User Condensate Outlet PTR valve Water Outlet Notice: The tempering valve is required on the hot water usage terminal.
  • Page 22 Water System Piping Water inlet or outlet pipes: The spec of the water inlet or outlet thread is RC3/4” (external thread). Pipes must be heat-resistant and durable. 1) Installation of the pipe for PTR valve: The valve connecting thread is RC3/4” (internal thread).
  • Page 23 After wire connection, check it again and make sure of connection before power ● is turned on. 1. Specifications of Power Supply Model Name RSJ-23/300RDN7-L2-D Power Supply 220-240V～ 50Hz Min. Diameter of Power Supply cord (mm Earth cord (mm...
  • Page 24 For TDS levels greater than 800mg/liter and not exceeding 2500mg/liter the magnesium based anode is to be used. Frequently inspection of magnesium anode is recommended. This anode Can be fitted by midea or an authorized person. This Warranty does not apply if the TDS exceeds 2500 mg/liter. NOTE...
  • Page 25 4. Electrical Connections The water heater requires 230 VAC for proper operation. ● Wiring size and connections comply with all local applicable codes and the ● requirements of this manual. Water heater and electrical supply are properly grounded. ● Correctly sized overload fuse or circuit breaker protection installed. ●...
  • Page 26 TRIAL-RUNNING Water a usion before operation Before using this unit, please follow the steps below. Water A usion: 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.
  • Page 27 2. About Running System Structure Figure Unit has two kinds of heat sources: Heat pump (compressor) and electric heater. The unit will automatically select heat sources to heat water to the target temperature. Water outlet Tank Temperature sensor(T5U) Electric heater 1 Temperature sensor(T5L) Electric heater 2 Water inlet...
  • Page 28 • Defrosting During Water-heating In heat pump running period, if the evaporator frosted in lower ambient temperature, the system will defrost automatically to keep e ective performance (about 3~10min). At defrosting time, the fan motor will stop, but compressor will still run. •...
  • Page 29 3. Basic function Weekly disinfect function Under disinfection unit immediately start to heat water up to 60°C to kill the potential legionella bacteria inside water of tank, icon will light on the display screen during disinfection. Unit will quit disinfection if water temperature is higher than 60°C and extinguish icon.
  • Page 30 OPERATION Control Panel Explanation Icon Description will be lightened if screen is unlocked. Display It shows water temperature on normal; ① It shows remaining vacation days on vacation; It shows setting temperature on setting; It shows unit setting/running parameters, error/protection code on querying. Time and clock setting shows the clock.
  • Page 31 ① ② ③ ⑤ High temp. Alarm If water temp is higher than 50 °C , it will be lightened, otherwise it will be extinguished. Error: It will be lightened when unit is under protection/error . VACATION Mode: For the outgoing vacation mode, the water tank ④...
  • Page 32 Icon Description Icon Description INCREASE AND DECREASE TIMER (Daily setting) If screen is unlocked, corresponding value will increase by pressing the button. 1) Press the TIMER button to the day timer icon ● When setting temperature, press more than 1s, press the confirmation button to enter the day timer temperature value will be increased continuously;...
  • Page 33 Using the SmartHome App Ensure that your mobile phone is 2）If no such message appears, proceed connected to the home wireless network, as follows: the 2.4GHz band wireless signal is Tap on "+" and select your device in the enabled on your wireless router and you list of nearby available devices.
  • Page 34 Compliance We, hereby declare that this device is in NOTE compliance with the relevant provisions of RE Directive 2014/53/EU. A copy of This equipment has been tested and the full DoC is attached (Europen Union found to comply with the limits for a products only).
  • Page 35 MAINTENANCE Maintenance Recommended regular maintenance table Check the connection between power Checking Checking Checking supply plug and socket and ground Action Item content frequency wiring regularly; air filter every month Clean the filter (inlet/outlet) In some cold area (below 0 ), if the system will be stopped for a long Replace it if it has anode...
  • Page 36 TROUBLE SHOOTING Non-error tips Why compressor can't start immediately Why sometimes the buttons are after setting? unavailable? Unit will wait for 3 min to balance the A: if there is no operation on panel for pressure of system before start compressor 60s, unit will lock the panel, shows "...
  • Page 37 Something about self-protection of unit When the self-protection happens, the system will be stopped and start self-check, and restart when the protection resolved. When the self-protection happens, the will flash and error code will be shown at water temperature indicator. But the and error code does not disappear until protection resolved.
  • Page 38 Error code shooting table Display Malfunction Description Corrective action Maybe the connection between LCD panel and PCB has Tank and LCD panel communication error. EH0b released or PCB has been broken. EH00 Contact a qualified person to service the unit. Machine working parameters are abnormal.
  • Page 39 Australian Consumer Law. The terms of the warranty are e ective from the date the heat pump is installed. Midea may verify this date by requesting a copy of the compliance certificate that accompanied the installation. The compliance certificate is mandatory in all Australian states and territories.
  • Page 40 If the inner cylinder has collapsed as a result of an incorrect filling and/or commissioning procedure; For components not supplied by Midea that are used in the installation of Midea heat pump water heaters e.g. tempering valves, cold water valve assemblies, etc.
  • Page 41 Midea may constitute trademark infringement or unfair competition in violation of relevant laws. This manual is created by Midea and Midea reserves all copyrights thereof. No entity or individual may use, duplicate, modify, distribute in whole or in part this manual, or bundle or sell with other products without the prior written consent of Midea.
  • Page 42 European Economic Area. Further information are provided on request. You can contact our Data Protection O cer via MideaDPO@midea.com. To exercise your rights such as right to object your personal date being processed for direct marketing purposes, please contact us via MideaDPO@midea.com.
  • Page 43 The design and specifications are subject to change without prior notice for product improvement. Consult with the sales agency or manufacturer for details. Any updates to the manual will be uploaded to the service website, please check for the latest version.
  • Page 44 MD24IU-001AW 16125300004681 20250224...
  • Page 45 备注说明： 1.基准说明书按集团OBM产品要求，模板统一按集团要求设计，说明书中会根据基准产品的 信息，包括参数表，遥控器说明书，APP内容（如果基准带WIFI功能）。基准说明书只含 基准机型信息，不包含订制机型信息。 2. 基准说明书封面设计了型号，按制单要求，以XXXXX形式体现，说明书内页SPECIFICATION 参数表格中的信息也是以XXXXX形式体现，内页遥控器部分只是基准遥控器内容，APP内 容为国际美居APP内容。说明书中最后的内容：TRADEMARKS, COPYRIGHTS AND LEGAL STATEMENT，DATA PROTECTION NOTICE以及制造商信息都为基准。需要业 务和制单工程师根据客户实际信息以及认证进行更改替换。 3.基准说明书不能直接使用到机型上，必须由制单按实际生产信息进行更改，基准说明书仅 供制单参考。 说明书技术条件：（此页无需印刷） 材质：80克双胶纸 颜色：彩色 尺寸：210*290 装订：骑马钉 更改： 1.P30更改默认模式为ECO-20250224...