Installation
19
Wiring DC and AC Cables (Central ConnectionBox)
REFUsol 100K
982059/02
2020-11
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4.4.2 Mounting the ConnectionBox Horizontally
✅
Requirements according to IEC 60364-7-712 for
special systems or locations for photovoltaic power
supply systems were considered in the planning.
1. Mount the mounting rails as shown in Figure 14.
Ensure that the ConnectionBox has an angle of at
least 10°.
a)
Maintain a distance of at least 300 mm from the
floor in the connection area (see Figure 8/9).
b)
To obtain a 10° angle, the distance from the top of
the ConnectionBox to the floor is 415 mm for the
central ConnectionBox and 470 mm for the
decentral ConnectionBox.
2. Insert screws with a minimum diameter of 8 mm
into the mounting rails.
3. Lift the ConnectionBox with two people and hook it
into the two upper screws.
4. Screw on the two upper screws with counter nuts by
hand.
5. Lift the ConnectionBox with two persons at the bot
-
tom and hook it into the two lower screws.
6. Screw on the lower screws with counter nuts by
hand.
7. Tighten all screws.
4.4.3 Mounting the ConnectionBox on a Pole
✅
Requirements according to IEC 60364-7-712 for
special systems or locations for photovoltaic power
supply systems were considered in the planning.
✅
Two mounting bridges, round steel clamps or
mounting rails each permissible for the weight are
provided for the mast mounting.
▷
Fixing takes place according to the procedure
described in the previous chapters.
4.5 Wiring DC and AC Cables (Central Connec
-
tionBox)
Tab. 2:
Stud connection
Type
DC Terminal
AC Terminal
2 x cable lugs DIN 46234
10 … 185 mm² 6 … 120 mm²
2 x cable lugs DIN 46235
25 … 185 mm² 16 … 120 mm²
Cable lug to DIN 46234
10 … 240 mm² 6 … 150 mm²
