Related Manuals for Midea 786300
Summary of Contents for Midea 786300
- Page 1 INSTALLATION & OWNER’S MANUAL ALL IN ONE Type Air-source Heat Pump Water Heater 786300 Thank you very much for purchasing our product, Before using your unit, please read this manual carefully and keep it for future reference.
- Page 3 The unit must be installed by a licensed tradesperson and in accordance with： This unit is required reliable earthing before usage, may otherwise result • Midea installation instructions. in death or injury. • AS/NZS 3500.4-"National Plumbing and Drainage Code Hot Water Supply Systems-Acceptable Solutions".
- Page 4 PARTS’ NAMES Top Cover Compressor Electronic Control Box Evaporator Up Cover Axial fan Display Motor Fan Assy Anode Water Outlet PTR Valve ATCO Cover Cover Anode Electric Heater Anode Drain pipe Water Inlet When ordering repair parts please always give the following information: 1) Model, serial and product number.
- Page 5 TROUBLE SHOOTING................10 11 12 MAINTENANCE..................Fig.1-1 SPECIFICATIONS................... MIDEA– HEAT PUMP MANUFACTURER’S WARRANTY......NOTE Above calculations are based on ideal conditions, the final amount will be different the actual running will vary with conditions, such as running period, ambient temperature, etc.
- Page 6 injury under these conditions, it is recommended that the hot ● If the supply cord is damaged, it must be replaced by the water tap is opened for several minutes at the kitchen sink manufacturer or its service agent or a similarly qualified person. before using any electrical appliance connected to the hot water system.
- Page 7 installing this unit, in heat pump mode the ambient air tempera- ture must be above -7℃ and below 43℃.If the ambient air temperature falls outside these upper and lower limits,the electrical elements will activate to meet the hot water demand and the heat pump will not operate.
- Page 8 3. INSTALLATION The circulating air for every unit should be more than 350m /h. Make sure there is enough Installation space. Refer outline dimensional drawing(See Fig.2-3). The product is fixed installation, which is connected to the water inlet and outlet of the user's home through the water tank connection copper pipe to achieve the fixed installation of the product.
- Page 9 30 mA ≤ 0.1sec 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/litre. Please choose the power cord according to above table, and make sure it comply with local electric standard.
- Page 10 4. TRIAL-RUNNING NOTE 4.1 Water affusion before operation For optimal efficiency and serviceability, the following clearances should be maintained: 800mm on the air inlet side, 800mm on the Before using this unit, please follow the steps below. air outlet side, 600mm in the back, and 600mm in the front. 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 Fig.4-1...
- Page 11 Table.4-1 Emptying Model RSJ-23/300RDN3-B Ambient After emptying, please replace the nut of T4＜-7 -7≤T4＜-2 -2≤T4＜2 2≤T4＜7 7≤T4＜43 T4≥43 temp.(T4) drainpipe. Max.Temp. (Heat pump) Close Max. Temp. (E-heater) Drainpipe shut-off valve Heat Source Shift The default heating source is heat pump. If ambient temperature range is out of heat pump operating range, heat pump will stop running, the unit will shift automatically Fig.4-2...
- Page 12 How is the unit running Heat Up Time within Different Temperature 10.00 If unit is OFF->press ->unit will be unlocked->press ON/OFF 9.00 to set target water temperature(55-60℃)->press ->unit 8.00 will automatically select heat source and start to heat water to 7.00 target temperature.
- Page 13 5. OPERATION Icon Description flashes to remind the user to maintain the water tank. Maintenance time adjustable range: 30-365 days (365 days by default). 5.1 Control Panel Explanation will be lightened when the machine is disinfecting. Compressor: will be lightened when compressor is running, otherwise will be extinguished.
- Page 14 Icon Description Set Clock The clock is for a 24-hour system and the initial time is 00:00. To make a better use of this unit, it is recommended to set the time for accurate local time. Press the button to enter clock setting, the hour value of clock will flash slowly.
- Page 15 Icon Description Icon Description Set Timer-TIMER ON & TIMER OFF CANCEL Timer on & Timer off: If set the Timer-TIMER ON & TIMER OFF, the To cancel setting, quit setting, etc. unit will automatically operate between the setting TIMER ON clock and TIMER OFF clock. If the TIMER OFF clock is the same as TIMER ON clock, TIMER OFF clock will be delayed 10 ON/OFF button and LED indicator...
- Page 16 Choose Air Source Heat Pump Water Heater. 5.4 Use Your Appliance with the MSmartHome App Before you start, make sure that: 1.Confirm that the product has WiFi function. 2.Your smartphone is connected to home wifi network, and you know the network password. 3.Make sure you are next to home appliances.
- Page 17 6.2 Something about self-protection of unit 6. TROUBLE SHOOTING When the self-protection activates, the system will be stopped 6.1 Non-error tips and start a self-check, and restart when the error is resolved. There is a buzzer on the controller. In case of unit failure, the Q: Why can't compressor start immediately after setting? buzzer rings twice per minute for 10min.
- Page 18 6.4 Error phenomenon shooting Table.6-1 Error Possible reason solution phenomenon Bad connection between power supply plug and socket; Cold water Plug in; out and Setting water temperature too low; Setting water temp. higher; display screen Temper sensor broken ; Contact service center. extinguished PCB of indicator broken ;...
- Page 19 High discharge temperature protection System blocked, air or water or less Tp>110℃,Protection active refrigerant(leakage) in system( after repair), water temperature Tp<90℃，Protection inactive sensor malfunction, ect. Contact a qualified person to service the unit. Compressor abnormally stopped protection.The discharge Compressor broken or bad connection between PCB and compres- temperature is not so higher than evaporator temperature sor.Contact a qualified person to service the unit.
- Page 20 8. SPECIFICATIONS Table. 8-1 Model RSJ-23/300RDN3-B Water-heating cap. 2000W Rated power/AMPS 4000W/17.3A 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 3000W R134a(1600g) Refrigerant Outlet water temp. Default 60°C, (55-60°C adjustable ）...
- Page 21 Consumer Law. The terms of the warranty are effective from the date 6) If the inner cylinder has collapsed as a result of an incorrect filling the heat pump is installed. Midea may verify this date by requesting a and/or commissioning procedure;...
- Page 22 9.6 Impedance Information To be in compliance EN 61000-3-11, the product RSJ-23/300RDN3-B shall be connected only to a supply of the system impedance: Zsys = 0.4071 ohms or less. Before connect the product to public power network, please consult your local power supply authority to ensure the power network meet above requirement.
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