Caleffi solar iSolar Wmz-G1 Manuel - Page 4

Parcourez en ligne ou téléchargez le pdf Manuel pour {nom_de_la_catégorie} Caleffi solar iSolar Wmz-G1. Caleffi solar iSolar Wmz-G1 16 pages.

VBus
board
®
1.
2.
3.
4
|
When the iSolar WMZ-G1 is connected to a
controller, the VBus
replaced with the VBus
When several iSolar WMZ-G1 modules are
cascaded and connected to a datalogger or PC
(see p. 14), only the VBus
iSolar WMZ-G1 modules with the subaddress
1 or higher have to be replaced with the VBus
slave boards!
Replacing the VBus
®
WARNING!
Electric shock!
Opening the housing will expose
live parts!
Î Switch off power supply and dis-
connect the device from mains
before opening the housing!
ATTENTION! ESD damage!
Electrostatic discharge can lead to da-
mage to electronic components!
Î Take care to discharge properly
before touching the inside of the
device!
Î Unscrew the cross-head screw of the cover (1.) and
re move the cover from the housing.
Î Unscrew the two lateral srews of the transparent shield
(2.) and remove the shield.
Î Pull out the board which is to be replaced carefully (3.).
Replace with new board.
Î Place the shield back on the housing and attach with
the two screws.
Î Put the cover on the housing and attach with the cross-
head screw.
The VBus
®
master board is marked with a "B",
the VBus
®
slave board with a "J" in the upper
right corner of the populated side of the board.
master board has to be
®
®
slave board!
master boards of the
®
board
®