Steca coolcept StecaGrid 3000, Инструкция по установке и эксплуатации

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6.3.4 Abbreviations
Abbreviation Description
MSD internal grid monitoring of the inverter (MSD = Mains monitoring with allocated
Switching Devices)
MPP working point producing the most power (Maximum Power Point)
SELV Safety Extra Low Voltage
V
PV
The generator voltage present at the DC connection (photovoltaic voltage)
Tab. 5: Abbreviations
7 Structure and function
7.1 Casing
1
6 9
1
8 7
1
5
1
1
2
3
1
4
10
11
Hood
2
Display (monochrome, 128 x 64 pixels)
1 3
Type plate, Warning notices
1 4
Operating buttons:
ESC
,

,

,
SET
(from left to right)
1 5
1 AC connection
1 6
2 RJ45 sockets (RS485 interface)
7
1 minus DC connection (–) for solar modules (Multi-
contact MC4 DC socket, contact proof)
8
1 plus DC connection (+) for solar modules (Multi-
contact MC4 DC socket, contact proof)
1 9
DC circuit breaker (interrupts the plus and minus in-
puts simultaneously)
10
Termination (slide switch):
On : termination switched on (slide switch at the right)
Off : termination switched off (slide switch at the left)
See also the detail drawing below.
Off
On
6 6
10
Fig. 5: Components on the front and lower sides of the casing
The individual casing components are described in detail below.