KSB UPA Installation & Operating Manual page 37

Submersible borehole pump
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5 Installation at Site
(V)
(W)
(U)
(V1)
(V1--1)
(U1)
(U1--1)
(W2)
(W1--2)
(V2)
(V1--2)
(U2)
(U1--2)
Fig. 12: Arrangement of 3 or 6 individual cables at the riser
5.3.1.1 Cable tie size 1 (rubber)
This cable tie (rubber strap + plastic studs) can be used for the following cables:
▪ flat, 3 and 4 cores, 1.5 mm
▪ round, 4 cores, 1.5 mm
1
2
3
4
Fig. 13: Cable tie size 1
1
Power cable
3
Plastic stud
1. Cut the rubber strap (4) to size for the corresponding diameter of the riser (2) as
indicated in the table below. Cut the strap half way between two holes.
2. Place one plastic stud (3) each into the third and fourth hole. Then wrap the
rubber strap (4) around the riser (2) with one end beneath the power cable (1)
3. Wrap the other end around the riser (2) and the power cable and fasten it with
the stud. Tighten the rubber strap (4) firmly to ensure that the power cable (1)
cannot slip downwards by its own weight!
Table 15: Length of the rubber strap
DN (mm)
50
R (inch)
2
L (mm)
320
5.3.1.2 Cable tie sizes 2 to 11 (metal)
This type of cable tie (metal + rubber cable guard) is used for cables of large cross-
section.
UPA / UPA S
(V1)
(V1--1)
(U1)
(U1--1)
(W1--2)
(W1)
(W2)
(W1--1)
(V1--2)
(V2)
2
2
to 6 mm
2
2
to 6 mm
2
Riser
4
Rubber strap
80
100
3
4
400
450
(W1)
(W1--1)
(U1--2)
(U2)
125
150
5
6
500
600
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