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• Preferably install the PVI-DESKTOP on walls with less obstacles coming between the inverter and the
PVI-DESKTOP system.
• Avoid installing the system near large metallic walls (i.e. boilers, steel doors, metal boxes etc. in order
not to limit the operating efficiency of radio communications or Bluetooth
®
.
• Signal quality is also influenced by environmental factors such as fog, rain, air humidity, etc. The
effect of these environmental factors can be considerable for communication distances near the
limits reported in the technical data sheet (paragraph 10).
NOTE: A radio communication test is recommended to be carried out before the actual
installation, once a plausible location for mounting has been identified.
4.1.4 POSITIONING OF THE ANTENNA WITH RESPECT TO THE DEVICE
Another important factor for improving reception quality is how the inverter antenna installed is
positioned in relation to the PVI-DESKTOP system.
Avoid positioning the inverter antenna with the tip pointing towards the PVI-DESKTOP, because exactly at
this point there is a signal shadow as shown in Figure 8.
Preferably install the PVI-DESKTOP system with the front or back towards the inverter antenna.
Figure 8 – Antenna position in relation to the PVI-DESKTOP system
a. optimal reception
b. weak reception
4.1.5 RADIO COMMUNICATION TEST
To test communication quality, it is possible to carry out a simple system configuration as shown in
paragraph 5.3.1. Appearance of the own inverter in the list of associable devices is confirmation of radio
signal reception.
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