MY-PV Heating Controls

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MY-PV ELWA

Three different models are available for different applications. Each includes control unit and 45cm long 1.5" boss immerssion element. Desired water temperature can be set with a rotary dial.

AC-THOR

Enables PV power to be used for hot water or other electrical space heating. One model for different applications.

 

MY-PV ELWA DC Immersion Heater

For direct connection to a dedicated PV system using 6-8 standard 60 cell modules. The DC current from the photovoltaic modules is controlled with a MPP-Tracker for a maximum power output of the immersion heater (up to 2kW). No connection to a grid supply or inverter is required.

Boost backup-function can use an AC supply to heat water in the event of bad weather (1.7kW).

Advantages
  • Linear power control 0 - 2.000W
  • 100 % self-consumption of solar power
  • No permission for a grid connection required
  • Easy to install, no maintenance costs
  • Easier and cheaper than solar-thermal systems
  • 2 ELWAs enable stratification charge
  • Also works during grid-blackouts
  • Hot-Water securing (Boost-Backup) included
MY-PV ELWA Solar Immersion Heater - Direct DC
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Product Code Description Retail Price
(ex VAT)
ELWA-DC PV Direct DC water heating unit £562.00

MY-PV AC ELWA-E Ethernet Solar Immersion Heater

Communicates via Ethernet for use with battery storage systems or smart-home controllers. PV energy is first used by electric appliances and for battery storage and then the ELWA-AC-E minimises exported power by diverting to water heating.

Advantages
  • AC ELWA-E uses energy that cannot be stored in the battery
  • Linear power control 0 - 3.000W for maximum self-consumption
  • The AC ELWA-E communicates via ethernet with the BMS
  • Sinusoidal current consumption (no thyristor), grid compliant
  • Hot-Water securing (Boost-Backup) included
  • Suitable for a wide range of battery and energy-management-systems
MY-PV AC ELWA-E Solar Immersion Heater - Smart
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Product Code Description Retail Price
(ex VAT)
ELWA-AC-E PV AC water heating unit - Ethernet £562.00

MY-PV AC ELWA-F Frequency Responsive Solar Immersion Heater

For use in off-grid systems to use surplus energy once a battery has become fully charged.

The ELWA-AC-F detects frequency rise of the inverter, if there is excess energy available and uses it for heating water.

Advantages
  • AC ELWA-F uses energy that cannot be stored in the battery
  • Linear power control 0 - 3.000W for maximum self-consumption
  • The AC ELWA-F needs no communication cables to the inverter
  • Sinusoidal current consumption (no thyristor)
  • For AC off-grid systems with frequency-shift inverters eg. Sunny Island & Victron
MY-PV AC ELWA-F Solar Immersion Heater - Frequency Responsive
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Product Code Description Retail Price
(ex VAT)
ELWA-AC-F PV AC water heating unit - frequency controlled £562.00

AC-THOR

The AC•THOR is a Photovoltaic-Power-Manager for hot-water and space-heating, providing linear control of electric heatsources depending on excess PV power and heat demand. It communicates via ethernet with inverters, battery systems and smart home controllers and receives information on how much photovoltaic energy is available.

In off-grid systems it can respond to frequency rise to divert surplus energy once the battery is full into heating loads.

Includes:

  • 0-3kW linear output.
  • 16A relay output.
  • Colour touchscreen display
  • Warranty: 2 years
  • Made in Austria
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Product Code Description Retail Price
(ex VAT)
AC-THOR PV Hot water Power Controller 6kW £532.06