AC ELWA
®
-F Assembly- and Operation Manual, 170224
1
AC ELWA
®
-F
Electric PV Excess Energy Water Heater for
frequency-controlled AC coupled off-grid PV systems
Assembly- and Operation Manual
Content
1.
Intended use ..................................................................................................................................... 2
2.
Scope of delivery............................................................................................................................... 2
3.
Safety instructions ................................................................................................................... 2
4.
Exemption of Warranty and Liability .............................................................................................. 3
5.
Mounting and Installation Instructions .......................................................................................... 3
6.
Electrical Connection............................................................................................................... 4
7.
Operation with frequency-shift inverters ............................................................................. 4
8.
Controls and Indicators .................................................................................................................... 4
9.
Operating status indicator ............................................................................................................... 5
10.
Factory preset ................................................................................................................................... 5
11.
Fuse setting with rotary knob (13 A / 16 A) .................................................................................... 5
12.
Adjusting the frequency behaviour ................................................................................................ 5
13.
Adjusting the maximum power ....................................................................................................... 7
14.
Using multiple AC ELWA-F in a system .................................................................................. 7
15.
Red LED error displays ..................................................................................................................... 8
16.
Maintenance ..................................................................................................................................... 8
17.
Troubleshooting ............................................................................................................................... 8
18.
Disposal ............................................................................................................................................. 8
19.
EU Declaration of Conformity ......................................................................................................... 9
20.
Technical data ................................................................................................................................... 9
