A540-55-880 Issue D
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Installation
Figure 11 - Method for connecting phase wires
9. Connect the mating half to the electrical supply connector of the dry pump system (Figure 4, item 12) by
following the procedure in Section 3.7.2.
Fit a secondary protective earth (ground) conductor (with a cross-sectional area at least equal to phase conductor
size) to the protective earth (ground) stud (M5). See Figure 12.
Figure 12 - Protective Earth (PE) connection
3.7.2 Electrical connector locking mechanism
This product is approved permanently connected equipment and must be used as described below:
The pumping system has an electrical connector locking mechanism (Figure 4, item 13) that requires the use of a
suitable screwdriver to release. The pumping system is supplied with a protective cover (Figure 14, item 4) fitted
and the locking mechanism (item 1) may be applied. Follow the following instructions to fit the electrical supply
cable.
Slacken off the locking screws (item 2) by a few turns to loosen the locking mechanism if necessary.
Move the locking mechanism (item 1) to the left as far as possible.
Push up the lever (item 3) to release the protective cover.
Remove the protective cover and fit the electrical supply cable.
Pull the lever downwards to lock the electrical supply cable connector in place.
Push the locking mechanism as far as possible to the right so that it prevents the lever from actuating.
Tighten the locking screws (item 2) to firmly hold the locking mechanism in place.
Connect the other end of the electrical supply cable to the electrical supply through a suitable isolator.
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