An array of solar modules (a string of 3 to 6 solar modules connected in series, or two parallel strings of 4, 5 or 6 solar modules each) is connected to the Elon 100. Grid electricity is also connected to the Elon 100.
At all dial settings except “Solar only”, the Elon 100 will switch off grid power to the geyser early in the morning. You will start with hot water in the geyser, but as you use it, the temperature will gradually drop, so that the geyser is ready to be heated by the sun during the day.
2.4 Override button If you would like to override the functioning of the Elon 100 and force it to use grid power for water heating (for example in case of prolonged cloudy weather, or having used a lot of hot water), press and hold the override button for 5 seconds.
You can switch off the mains power supply to the geyser in one of two ways: (1) turn the Elon 100 efficiency dial to solar only (anti-clockwise to end position); OR (2) switch off the geyser circuit breaker in your electrical distribution board (DB).
Version number: 1.39 3. Maintenance The Elon 100 has been designed to last for a very long time, and has no moving parts aside from two electrical relays. No maintenance is required on the Elon 100. 3.1 Solar PV module maintenance It is recommended that a qualified electrician inspect your solar PV installation at least once a year.
120 hours of TV The more solar panels you have on your roof, the faster the Elon 100 system will heat your water. Typically, the number of panels has been selected to heat water over most of the sunlight hours (from morning to afternoon).
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