Evoqua W2T388687, Руководство по эксплуатации и техническому обслуживанию

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IONPURE
®
DC POWER CONTROLLER
– IP-POWER600-G2
IP-POWER600-G2 MAN REV. 11 Page 7 of 28
2 Installation
2.1 Mounting
Electrostatic discharge can damage electronic components. Make contact
with a grounded conductive pad and/or wear a grounded wrist strap when
you handle the power controller.
The DC power controller is intended for mounting on a sub-panel inside an enclosure using four to
six screws, either M4 or UNC 8-32. The location of the mounting slots is shown in Figure 2 (located
in Appendix C).
The environmental limits for operation are 0 to 50

C at up to 95% relative humidity
(non-condensing). An enclosure with at least an IP52/NEMA 12 rating is recommended. The power
controller contains two on-board cooling fans; however, the enclosure should also include a cooling
fan that draws through ambient air.
In installations where a water resistant enclosure (IP56/NEMA 4) is necessary, cooling the interior
of the enclosure is more difficult. Typical cooling methods include:

Sizing the enclosure for a sufficient rate of heat transfer to the environment through the
enclosure walls.

Using an air-to-air or water-to-air heat exchanger.

Installing an air conditioning unit.

Using vortex cooling.
The maximum heat generated by each power controller is approximately 260 watts. Additional heat
generation is expected from the isolation transformer and other equipment in the enclosure.
2.2 AC Supply
Electrical schematics for typical installations are shown in Figures 3, 4 and 5 in Appendix C.
2.2.1 Isolation Transformer
The AC input to the power controller must be isolated from the AC mains by an isolation
transformer that is correctly sized for the maximum power required from the power controller.
The purpose of the transformer is to:

Provide isolation from the AC mains so that the cathode of the CEDI module can be
grounded. This is grounded effectively on the DC-, internally on the power controller.

Convert the voltage of the AC mains to an AC input voltage (up to 660 VAC) for optimum
operation of the power controller and the CEDI module.
The transformer shown in Figure 3, for example, can convert the 480 VAC from AC
mains to a 660 VAC input to the power controller.