AC ELWA
®
PV Excess-Energy Hot Water System
PLA
3-phase Meter/Controller
Installation and Operating Instructions
Intended Use
The electrical device PV excess-energy hot water system AC ELWA (referred to as AC ELWA) is intended for
stationary installation in hot water storage or buffer tank storage. The device is controlled by external control
signals and adjusts its heating power from zero to 3000 W accordingly.
You can use the AC ELWA also with Universal Interface!
The PLA Meter/Controller is incorporated in the power distribution immediately after utility meter fuses. It is
suitable for single-phase and three-phase systems. The neutral conductor shall be connected in any case.
Any other use than described above may damage the device, moreover, this involves dangers such as short
circuit, fire, electric shock, etc. The safety instructions and the information on handling in this manual and in
the application instructions shall be followed!
The product complies with the applicable National and European requirements. Company and product name
are trademarks of my PV GmbH. All rights reserved.
