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Related Manuals for A.O. Smith Gen 8 Digital
Summary of Contents for A.O. Smith Gen 8 Digital
- Page 1 Mini Water Heater Gen 8 Digital EWH-40MINI2 User Guide...
- Page 2 About A. O. Smith Established in 1874, the A. O. Smith Water Products Company is a global leader in innovative water technologies. With 21 fully-owned plants, they are currently the largest water heater manufacturer in the world. Over the years, A. O. Smith has gained the respect and support of homeowners, contractors, architects and specifying engineers in over 60 countries by providing energy efficient hot and clean water solutions.
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Page 3: Table Of Contents
Contents Specifications ................... 5 Safety Features ..................6 Product Features ..................6 Installation ....................9 Directions For Use ..................13 Maintenance Instructions ............... 17 Troubleshooting ..................18... - Page 4 Read Before Use Before installation and use of this device, please read this manual carefully and keep it ready for future reference. Engage an experienced water heater installer. A. O. Smith and AOS Bath will not be held liable by any damages or piping leakages caused by incorrect installations.
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Page 5: Specifications
Specifications Specifications Dimensions Rated volume (L) Length (mm) Power (kW) Width (mm) Voltage/Frequency (V/Hz) 220/50 Height (mm) Temperature range (°C) 35-75±5 A. O. Smith reserves the right to Rated water pressure (MPa) make product changes or Max-min inlet water pressure (MPa) 2.0/3.0 improvements at any time without notice. -
Page 6: Safety Features
Safety Features Thermal Cut Out The water heater employs a thermal cut out. In case any fault occurs and the water temperature exceeds the highest preset limits, the switch rapidly cuts off the live and neutral line for user’s safety. Pressure Relief Valve The safety valve will relive pressure automatically through droplets of water when the system exceeds the rated pressure. - Page 7 Instant Heating (Patent ZL200820185859.4) The latest instant technology allows users to get hot water from an unheated tank immediately, without consuming more energy. Touch Control Panel Access all modes of the water heater or reduce your water heating bills by turning down your heater thermostat from the control panel.
- Page 8 Blue Diamond Tank (Patent US6303183) Patented A. O. Smith Blue Diamond Tanks provide superior durability. The longest lasting Blue Diamond tank in the world was used for 52 years. High Efficiency Insulation A polyurethane foam insulating layer without freon is used, which provides a good insulation and reduces heat loss effectively.
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Page 9: Installation
Installation CAUTION: • Please wait for 30 minutes before using the heater for the first time. • The heater should only be connected to a power source after a full installation which ensures secure mounting, piping, wiring and filling of the tank with water. •... - Page 10 Fit a plastic drill bit into the drilled holes and slowly twist the screws into the holes with an allen key. Do not over tighten as it may cause the drill bits to break. Place the screws through the square, top portion of the mounting plates and mount the heater on the plates.
- Page 11 Water Inlet and Outlet Connection Plumbing Connection The heater comes with a relief valve. Connect the valve to the inlet (marked in blue). The arrow on the valve should be in line with the direction of the water flow. The storage heater must be permanently connected to the water mains and the use of a hose set is prohibited.
- Page 12 Filling the Tank After all the pipes are connected, open the discharge valve of the water heater and then the feed valve. Fill the water heater with water and exhaust the air till a uniform water stream flows out of the hot water outlet.
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Page 13: Directions For Use
Directions For Use CAUTION: • Before using the water heater, ensure it is filled with water and that the power plug has been connected properly. IMM indicator Heating indicator The default settings are: • Power: 4000W • Time: 12:00 • Thermostat: 70°C If the water heater encounters a power outage, all settings will revert to default settings. - Page 14 4. Setting the clock In ‘clock’ mode, hold down the ‘Program’ button for 3 seconds till the time on the screen flashes. Press the “ ‡ ” the “ ˆ ” buttons to set the hour, then press the ‘Program’ button again to confirm the hour.
- Page 15 7. Automatic Energy Saver (AES) Press the ‘AES’ button to activate or deactivate AES. The AES indicator will be lit if active. AES is a memory chip that records up to 21 days of your family’s usage habits. It is an automatic timer which preheats water according to your family’s needs and sends the heater into energy saving mode at required intervals, saving energy by minimizing thermal loss.
- Page 16 11. Intelligent Maintenance Monitor (IMM) IMM is activated the minute the system is connected to a power source and the ‘IMM’ indicator lights up on the panel. Press the key to commence a water ion quality test. There are two results: P1: corrosive ion count is low Water ion quality test result P2: corrosive ion count has increased to 90%...
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Page 17: Maintenance Instructions
Maintenance Instructions DECLARATION: Only an A. O. Smith authorized service personnel may maintain and repair this water heater. Improper methods could result in serious injury or property damage. WARNING - Electric shock: Before repairing the water heater, be sure to disconnect the water heater from the power source. -
Page 18: Troubleshooting
Troubleshooting Problem Possible causes Corrective action Display is off 1. No power to heater 1. Switch on power to heater No hot water 2. No power at electric socket 2. Check power socket 3. Failure in control circuit or 3. Contact local authorized internal wiring dealer Display is off... - Page 19 Wiring Diagram CAUTION: • Before installing the heater, ensure that the power source and wires are suitable • The heater should be earthed reliably. Ensure the earth wire is not in contact with the neutral wire or any pipes • Once the temperature has been set and the relief valve installed, end users should not alter the installation location or tamper with the relief valve •...