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Installation
A705-40-880 Issue B
3.6.2 Connect the electrical supply to the pump-motor
Connect your electrical supply to the pump-motor through a suitable contactor.
The contactor must incorporate a motor protection circuit-breaker which meets the full load current rating of your
motor: refer to the rating plate on the motor and to your motor instruction manual for details.
Connect the electrical supply from the contactor to the pump-motor as described in the Motor instruction manual
supplied with your pump.
3.6.3 Connect the pump coolant jacket temperature sensor: introduction
Your EDP pump will be supplied with one of two types of temperature sensor fitted: a temperature transmitter, or a
thermal snap-switch.
If your pump is part of an ATEX system, it will be supplied fitted with a temperature transmitter.
If your pump is not part of an ATEX system, it may be supplied with either a temperature transmitter or a
thermal snap-switch fitted.
Connect the temperature sensor as described in the following sections:
Refer to Section 3.6.4 if your pump has a thermal snap-switch fitted.
Refer to Section 3.6.5 if your pump has a temperature transmitter fitted.
On flameproof pumps, you must use a suitable flameproof cable gland to connect the electrical
supply to the pump-motor. If you do not, the installation will not be flameproof.
Flameproof pumps must be powered by an electrical supply at the rated frequency of the pump-
motor, unless your system is specifically designed to operate with a variable speed drive. If this is
the case, consult the ATEX manual (P600-60-200) and your system manual for details.
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