For the connection to power supply observe the wiring diagrams (
67) in the Annex and the information on planning the control system. (
5.4.1 Page 27)
The pump set is supplied complete with power cables. Always use all cables provided
and connect all marked cores of the control cable.
DANGER
Incorrect wiring
Explosion hazard!
▷
The core ends must be connected outside of the potentially explosive
atmosphere or inside electrical equipment approved to equipment category
II2G.
DANGER
Operating an incompletely connected pump set
Explosion hazard!
Damage to the pump set!
▷
Never start up a pump set with incompletely connected power cables or non-
operational monitoring devices.
CAUTION
Flow-induced motion
Damage to the power cable!
▷
Run the power cable upwards with as little slack as possible.
1. Run the power cables upwards without slack and fasten them.
2. Only remove the protective caps from the power cables immediately before
connecting the cables.
3. If necessary, adjust the length of the power cables to the site requirements.
4. After shortening the cables, correctly transfer the markings of the individual
cores at the cable ends.
The pump set does not have an external PE connection (risk of corrosion).
DANGER
Incorrect wiring
Explosion hazard!
▷
Explosion-proof pump sets installed in a tank must never be retrofitted with an
external potential equalisation connection!
DANGER
Touching the pump set during operation
Electric shock!
▷
Make sure that the pump set cannot be touched during operation.
Fig. 17: Fastening the
power cables
Potential equalisation
5 Installation at Site
Amarex KRT
31 of 74
Goodnal STP ST041 Sewage Delivery (Amarex KRT Submersible Motor Pump) Vendor Manual
Q-Pulse Id VM362
Active 29/10/2013
Page 33 of 96