Use solar power only for hot water
ELWA
ELWA is a 2 kW photovoltaic water heating device and is perfect if you want to use your solar power exclusively for generating hot water. The direct current from photovoltaic modules is transferred directly to the built-in heating element and immediately converted into heat without any loss. The built-in MPP tracker ensures that the PV generator is always operated at the optimal operating point, similar to a PV inverter.
No connection to the power grid is required to operate the ELWA, as the device is powered by the PV generator, meaning it is purely an island operation. The desired hot water temperature is set with a rotary knob and the LED displays provide information on the current device status.
Your advantages with hot water with photovoltaics
Simpler and cheaper than thermal solar systems
No need to go to the authorities: You save yourself the hassle of going to the authorities, as our ELWA does not feed electricity into the grid.
Extremely simple installation thanks to 'cables instead of pipes', contains less valuable copper, practically no maintenance costs.
Shift charging with 2 devices possible
Also works in the event of a power failure
Hot water backup can be used optionally
No frost protection required
Cables have almost no energy losses compared to pipes
Technical data
DC nominal power 0 – 2000 W with MPP tracking
Number of DC inputs 1 line, 100 – 360 VDC, MC4
AC heating power 750 W, for Hot water supply
Mains connection Single-phase, safety plug, 230 V, 50 – 60 Hz
Dimensions (W x H x D) 130 x 190 x 600 mm with heating element
Protection class IP 21
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