Hybrid electric residential water heaters (24 pages)
Summary of Contents for MDV RSJ-35/300RDN3
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INSTALLATION & OWNER’S MANUAL ALL IN ONE Type Air-source Heat Pump Water Heater Thank you very much for purchasing our product, Before using your unit, please read this manual carefully and keep it for future reference.
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If you can't make sure that your house power supply is earthed WARNING well, please don't install the unit. The unit must be installed by a licensed tradesperson and in This unit is required reliable earthing accordance with: before usage, may otherwise result •...
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PARTS’ NAMES Water-proof Water-proof Shield Shield Top Cover Filter Evaporator Electronic Control Box Fan Assy Compressor Junction Box Cover Front Cover Display Rear Cover Junction Box PTR valve Front Decorative Board Cover Anode W ater Outlet Cover (Electric T CO Heater) ATCO Anode...
CONTENTS PAGE Running Cost AUD BASIC OPERATION PRINCIPLE.............. SAFETY INFORMATION................E-heater BEFORE INSTALLATION................. Gas Burner INSTALLATION..................TRIAL-RUNNING..................HPWH OPERATION ..................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.
● If the supply cord is damaged, it must be replaced by the 2. BEFORE INSTALLATION manufacturer or its service agent or a similarly qualified person. ● DISPOSAL: Do not dispose this product as unsorted municipal waste. Collection of such 2.1 Unpacking waste separately for special treatment is necessary.
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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).
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). User Upper Condensate Outlet Lower Condensate Outlet Water Outlet PTR valve Notice: The tempering valve is required on the hot water usage terminal.
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3.2 Water-proof shield installation W ARNING Air inlet and outlet with water-proof shield When outdoor installation is required two separate water-proof shields must be installed, otherwise it may cause short-circuit Air outlet Air inlet and electric shock because of water ingress. (Fig.3-3) In case of rain entering to internal components of the unit, the component might be damaged or causing physical danger.
3.3 Electric Connection 3.3.2 Specifications of Power Supply T able . 3-2 M ode l N a m e RSJ-35/300RDN3 CAUTION P o w e r S upp l y 220-240V~50Hz The power supply should be hard wired. M i n . D i a m e t e r o f P o w e r Power supply circuit should be earthed effectively.
varnish removers, refrigerants, many other Water Affusion commercial and household products. In addition excessive dust and may affect the operation of the unit and require frequent cleaning. When water flows out from the water outlet, The ambient air temperature must be above -7ºC and the tank is full.
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Heat pump running ambient temperature range: -7~43ºC. included), it is normal that outlet water is unclean. Turn the tap on Water temperature limits: and the water will be flushed clean. Table.4-1 Model RSJ-35/300RDN3 Ambient T4<-7 -7≤T4<-2 -2≤T4<2 2≤T4<7 7≤T4<43 T4≥43 temp.(T4)
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4.2.3 Basic function Heat Up Time within Different Temperature Weekly disinfect function unit disinfection unit immediately starts to heat water up to 65℃ to kill the potential legionella bacteria inside water of tank,“ ”icon will lighted on the display screen during disinfection; unit will quit disinfection if water temperature is higher than 65℃...
5. OPERATION Icon Description E-heater: will be lightened if E-heater is activated, 5.1 Control Panel Explanation otherwise will be extinguished. If E-heater is automatically activated by unit, will be lightened; ⑤ If E-heater is manually activated, will flash with 0.5Hz frequency. When setting E-heater manually ON/OFF, will flash with 2 Hz frequency.
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Icon Description Icon Description Timer Set Clock There are six timers available. If anyone of them has been set, Press button for 3 sec to enter clock will lighten the corresponding one when setting. Then icon will be screen is unlocked; lightened and the hour value of clock will If there is none of timers has been set, it the flash slowly.
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Icon Description Icon Description Cancel Timer CONFIRM/UNLOCK If screen and buttons are unlocked, press it to Enter timer setting. confirm setting parameters after setting any parameter: ● If press it within 10sec, setting parameters will be Select timer( ) which needs to be confirmed;...
Q: Why is the temperature shown on the display sometimes Icon Description decreased but unit still keep off? A: To avoid unit ON/OFF frequently, unit will activate heat source only In vacation period, the setting target water when bottom tank temperature is lower than setting temperature temperature is 15℃...
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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 ;...
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 temperature is not so higher than evaporator temperature compressor.Contact a qualified person to service the unit.
9. MIDEA– HEAT PUMP MANUFACTUR- ER’S WARRANTY This warranty is provided by Midea. It applies to heat pumps installed 5) For any damage arising as a result of an accident, act of God or in a single family dwelling only and is provided only to those acquiring other circumstances beyond Midea’s control;...
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