my-PV DC ELWA 2 kW – Convert photovoltaic power directly into hot water
The my-PV DC ELWA 2 kW is an intelligent, continuously variable
Photovoltaic heating element for direct hot water preparation using solar power.
The PV modules are connected directly via MC4 connectors connected to the device.
An inverter or grid connection is not required for pure PV operation.
In this way, direct current from the photovoltaic system is directly converted into heat.
Connect PV modules directly to the heating element
Stepless DC power control
Island operation possible without AC mains connection
Efficiently use solar power for thermal purposes
Use photovoltaics directly for hot water
DC ELWA from my-PV Solar power can be used particularly easily for the
Use for hot water preparation. The direct current generated by the PV modules is used directly.
The heat is directed into the integrated heating element and converted into heat there.
A conventional PV inverter is not required for this application.
This makes the system ideally suited for self-sufficient applications, off-grid systems,
Holiday homes as well as for facilities where PV electricity is generated as simply and directly as possible
It is intended to be used for hot water preparation.
The integrated MPP tracker ensures that the connected PV modules within
The permissible voltage range should be operated as efficiently as possible. The power will be
there continuously variable between 0 and 2.000 watts regulated. citeturn580206search6
Using solar power – completely without feeding it into the grid
The DC ELWA can be operated completely independently of the mains power supply.
No grid connection is required for pure PV operation.
This makes the solution particularly simple and reduces the technical effort.
No inverter required
In conventional PV systems, the direct current from the solar modules is first converted by a
Inverters convert current to alternating current. This intermediate step is eliminated with the my-PV DC ELWA.
The PV modules are connected directly to the ELWA. The generated direct current is used immediately.
It is used for hot water preparation. This simplifies the system and allows for a very direct connection.
Use of the generated solar energy.
Integrated heating element with up to 2 kW
The integrated heating element achieves a maximum DC power of
2.000 wattsDepending on the currently available solar power, it fits
ELWA continuously improves its performance.
This allows even low PV power to be used for hot water preparation.
As solar radiation increases, the heating output automatically increases up to the maximum.
Power output of 2 kW.
Wide DC voltage range from 100 to 360 volts
The DC ELWA operates with an input voltage of
100 to 360 V DCThis allows multiple suitable PV modules to be connected as a string.
directly connected to the device.
The maximum DC input current is 10 AThe connection is made.
comfortably via proven methods MC4 connectors. citeturn580206search6
Optional 230 V mains connection for hot water comfort
The DC ELWA is fundamentally designed for operation independent of the mains power supply.
However, an optional 230 V mains connection be used.
The so-called boost backup function can provide additional energy when PV power is insufficient.
provide from the power grid and thereby help to achieve the desired hot water temperature
to ensure this even in bad weather.
According to the manufacturer, the AC auxiliary heating power of the boost backup function is...
750 watts. citeturn580206search6
Power connection is optional
The DC ELWA does not require a grid connection for normal PV operation.
The 230V connection serves solely as an optional auxiliary heater.
when hot water is needed regardless of the current solar radiation.
Ideal for hot water storage tanks
The my-PV DC ELWA is screwed directly into a suitable hot water storage tank.
The device has a 1,5-inch connection thread and combined
Power control and heating element in one compact unit.
Direct heating of the water converts electrical PV energy into thermal energy.
converted and stored in the hot water storage tank. The storage tank thus practically takes over the function.
the function of a thermal energy storage device.
An interesting solution for off-grid systems and remote applications.
Since the ELWA can be operated without a mains connection, it is particularly suitable for
Applications where a traditional network connection is neither available nor desired.
Possible areas of application include, for example, holiday homes, mountain cabins, outbuildings,
self-sufficient PV systems or additional photovoltaic modules, whose energy is specifically used for
Hot water should be used.
Technical data – my-PV DC ELWA 2 kW
- Manufacturer: my-PV
- Product type: PV water heater / DC heating element
- DC heating power: stepless 0–2.000 W
- DC input: 1 PV string
- DC input voltage: 100-360V DC
- Max. DC input current: 10 A
- PV connection: MC4
- MPP tracking: integrated
- Mains connection: optional 230 V, single-phase
- AC boost performance: 750 W
- Connection thread: 1,5 inch
- Dimensions: approx. 130 × 190 × 600 mm including heating element
- Protection class: IP21K
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