Fitting Metric Screw Joints To The Fronius String Control 250/30 Dcd Df; General; Recommended Order In Which To Insert The Metric Screw Joints - Fronius String Control 250/30 DCD DF Instructions De Service

Fitting metric screw joints to the Fronius String Con-
trol 250/30 DCD DF

General

-
-
-
Recommended
order in which to
insert the metric
screw joints
*
Fitting metric
1
screw joints to
the Fronius String
Control 250/30
DCD DF
(1)
(2)
(3)
Use the right number of metric screw joints for the available solar module strings. Fit
sealing glands into empty screw joints.
Insert the metric screw joints in the following order:
from bottom to top and from left to right.
Tighten the metric screw joints and blank screw joints with the tightening torque spec-
ified for their size.
M32
15 11 5
8
13 10 4
7
12 9
6
M20*
As an outlet for the grounding cable only if optional overvoltage protection is used
Lock nut
Screw joint
Strain-relief device
3
1 2
M25
M40 M40
2
M32
16 22 25
19
15 21 24
18
20 23
17 17 17
M20
61