40
5.
Wait until a power appears under the icon PV PANEL and check that:
in a few minutes the power showed under the PYLON icon is equal to 0 W,
as shown in the following
picture (Picture 42, Check n.2).
Picture 42 - Check nr. 2
If the power showed under the icon PYLON will not reduced to zero, check the installation position of the CT sensor
because it is not correct and repeat the checks from the beginning of the paragraph
.
If the above mentioned conditions are satisfied, it means that the installation is correct and the system can be put on
service.
IMPORTANT: Inform the customer that when the maintenance of the lines of the house is necessary, it is
COMPULSORY to lower the disconnectors QG1 e QE2 (only if the GRID / EPS commutation panel is available).
ATTENTION
Before doing any maintenance on the AC lines of the
building, lower the disconnectors GRID and EPS placed on
the electrical panel on the storage system.
3.4.2
Functioning test in ON-GRID mode
By switching on and off some household appliances with known watt consumption (e.g. hairdryer), check on the
display of Ra.Store-K-F that the energy is taken from the battery and the PV panels and given to the house (the arrow
goes from the battery towards the house) and that the values shown on the display are compatible with the activated
household appliances (Picture 43 and Picture 44).
To execute a supplementary check, measure with a current clamp the current on the public grid (the PYLON icon in
the previous pictures) and the current on the household appliances line (the HOUSE icon in the previous pictures),
INVERTER CONNECTED TO
THE GRID, PV PANELS IN
GENERATION: PYLON
POWER = 0 W
Picture 43
–
Screen before the power showed
under the icon PYLON is reduced to zero by the
storage system
Picture 44 -
Screen after the power showed
under the icon PYLON is reduced to zero by the
storage system