© Edwards Limited 2007. All rights reserved. Page 7
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Introduction
A419-00-880 Issue F
Table 1 - LEDs on the EPX pumps
LEDs/button items Reference data
Power LED (Figure 4, item 2) This green LED indicates that mains power is supplied to the EPX pump.
Run LED (Figure 4, item 3) This green LED is lit when the EPX pump has started and is operating.
This LED will flash when the pump is operating in idle mode.
Warning LED (Figure 4, item 4) Operational with EPX-N series of pumps only. Amber LED will illuminate
in a ‘Low Flow’ condition.
Alarm LED (Figure 4, item 5) This red LED is lit when the EPX pump has been automatically shut
down because a pump protection sensor has operated (Refer to
Section 1.3), or because the inverter drive has failed.
Table 2 - Connections
Connection items Reference data
Cooling-water inlet and outlet
(Figure 2, items 4 and 9)
Use these to connect your cooling-water supply and return pipelines to
the EPX pump: refer to Section 3.8.
Electrical supply cable
(Figure 2, item 6)
Use this to connect your external electrical supply to the EPX pump:
refer to Section 3.9 and 3.10.
TIM (Figure 2, item 5) Use this to connect your control equipment to the EPX pump, to allow
you to control the operation of the pump: refer to Section 3.11.
Protective Earth (ground) stud
(Figure 2, item 3)
Use this to earth (ground) the EPX pump: refer to Section 3.10.
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