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3.6.5
3.7
20
Tolerances for aligning the coupling
The maximum allowable tolerances for the alignment of the coupling halves are shown in
Table 1. See also figure 5.
Table 1: Alignment tolerances
External diameter of
coupling [mm]
81-95
96-110
111-130
131-140
141-160
161-180
181-200
201-225
*) = coupling with spacer
Figure 5:
Alignment tolerances standard coupling.
Connection of the electric motor
The electric motor must be connected to the mains by an approved
electrician, according to the locally prevailing regulations of the electricity
company.
• Refer to the instruction manual belonging to the electric motor.
• If possible, mount a working switch as close as possible to the pump.
V
min [mm]
max [mm]
2
4
2
4
2
4
2
4
2
6
2
6
2
6
2
6
Installation
Va
- Va
max
min
Vr
[mm]
max
[mm]
0,15
0,15
0,18
0,18
0,21
0,21
0,24
0,24
0,27
0,27
0,30
0,30
0,34
0,34
0,38
0,38
MCHZ/EN (0912) 4.2
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