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Installation
• Make sure that the cable is long enough for maintenance work.
• For SUBCAB
Grounding (earthing)
Grounding (earthing) must be done in compliance with all local codes and regulations.
DANGER: Electrical Hazard
All electrical equipment must be grounded (earthed). Test the ground (earth) lead to
verify that it is connected correctly. Frequently inspect electrical systems to ensure that the
path to ground is continuous.
WARNING: Electrical Hazard
If the power cable is jerked loose, then the ground (earth) conductor must be the last
conductor to come loose from its terminal. Make sure that the ground (earth) conductor is
longer than the phase conductors at both ends of the cable.
WARNING: Electrical Hazard
Risk of electrical shock or burn. You must connect an additional ground- (earth-) fault
protection device to the grounded (earthed) connectors if persons are likely to come into
contact with liquids that are also in contact with the pump or pumped liquid.
Prepare the SUBCAB
This section applies to SUBCAB
The prepared SUBCAB
™
cable
1
5
1.
T1+T2 twisted pairs in control element
2.
Drain wire in control element (bare copper wire)
3.
Screened copper pt-foil
4.
Insulation sheath (jacket) or PT-foil for control element
5.
Power cores
6.
Ground (earth) core
1. Peel off the outer sheath at the end of the cable.
2. Prepare the control element:
22
™
cables, the twisted pair copper foil must be trimmed.
™
cables
2
3
4
6
a) Peel the sheath (if applicable) and the copper foil.
The copper foil is a screen and is conductive. Do not peel more than necessary,
and remove the peeled foil.
™
cables with twisted-pair control cores.
The prepared screened SUBCAB
1
5
6
1.
T1+T2 and T3+T4 twisted pairs in control element
2.
Drain wire in control element (bare copper wire)
3.
Screened copper pt-foil
4.
Insulation sheath (jacket) for control element
5.
Power cores
6.
Aluminum foil
7.
Ground (earth) core with green/yellow shrink hose
8.
Uncovered screen/braided wire
Flygt 3126.290 Installation, Operation, and Maintenance Manual
™
cable
2
3
4
8
7
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