Technical Description
16
Components and Dimensions
REFUsol 20K...33K-2T
982079 | 05 | 2021-03
3.5 Components and Dimensions
Fig. 7: Connection area REFUsol 20K-2T
Fig. 8: Connection area REFUsol 33K-2T
1
Pressure compensation
membrane
2
DC switch
3
PV connection area IN1
(MPPT1)
4
Ethernet or WiFi interface
5
RS485 and digital input cover
6
AC cover
7
Heat sink (20K-2T only)
8
PV connection area IN2
(MPPT2)
9
DC positive connection
10
DC minus connection
10
7
IN1
IN2
9
1
2 3
4
5
6
8
1
Pressure compensation
membrane
2
DC switch
3
PV connection area IN1
(MPPT1)
4
Ethernet or WiFi interface
5
RS485 and digital input cover
6
AC cover
7
Heat sink with fans
8
PV connection area IN2
(MPPT2)
9
DC positive connection
10
DC minus connection
ON
OFF
WiFi / GPRS
PE N L1 L2 L3
AC
~
2
3
5
4
1
6
7
IN1
IN2
10 9
8
Summary of Contents for 20K-2T
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