Avoid EMC noise on serial communication
This terminal is connected to earth via an internal RC link. Use twisted-pair cables to
reduce interference between conductors.
Figure 69: Twisted-pair cables
1
Min. 6 AWG or 16 mm
2
2
Equalizing cable
Alternatively, the connection to terminal 61 can be omitted:
Figure 70: Twisted-pair cables without terminal 61
1
Min. 6 AWG or 16 mm
2
2
Equalizing cable
5.16 Control terminal types
1
4
2
3
130BA012.12
61
68
69
39
42
50
53
54
55
12
13
18
19
27
29
32
33
20
Figure 71: Control terminal locations
5 Electrical Installation
Aquavar
®
Intelligent Pump Controller - 150 HP to 600 HP INSTRUCTION MANUAL
59
Summary of Contents for Aquavar
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