English (GB)
30
8.6 Motor cables
Use only cables which are approved by the manufacturer and
suitable for the cable entries as to diameter, number of
conductors, conductor cross section and sheath material.
8.6.1 Cable entries
Secure the cable entries to the motor top cover by tightening the
screws evenly one by one until the cable entries are lying flat
against the top cover.
The minimum bending radius for cables can be seen in the
following table:
8.7 Spare parts
Damaged motor parts must always be replaced by new and
approved parts. Motor parts must not be reconditioned by
machining, re-tapping, welding, etc.
8.8 Contaminated pumps and service
If a pump has been used for a liquid which is injurious to health or
toxic, the pump will be classified as contaminated.
8.8.1 Sending pump to service
If you request Grundfos to service the product, contact Grundfos
with the following details about the pumped liquid before returning
the pump for service. Otherwise Grundfos can refuse to accept
the product for service.
Details for service:
• customer ID and/or installation ID, and contact information
• pump type and type designation
• type of malfunction or fault
• pumped liquid
• frequency converter, if used
• level switch type, if used
• control panel information, if available.
Costs of returning the product are to be paid by the customer.
Rang
e
Cable
type
Cable size
Min.
bending
radius [cm]
50
54
58
Power
cables
7 x 1.5
mm
2
10
7 x 2.5
mm
2
11
4 x 6.0
mm
2
10
62
4 x 6.0
mm
2
10
4 x 10.0
mm
2
14
4 x 16.0
mm
2
16
66
4 x 10.0
mm
2
14
4 x 16.0
mm
2
16
4 x 25.0
mm
2
19
70
4 x 25.0
mm
2
19
4 x 35.0
mm
2
21
4 x 50.0
mm
2
25
4 x 70.0
mm
2
28
All
Control
cables
7 x 1.5
mm
2
10
CAUTION
Biological hazard
Minor or moderate personal injury
- Flush the pump thoroughly with
clean water and rinse the pump
parts in water after dismantling.