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2 - Fagor Automation

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A. Fan. Air output. It is recommended to install a filter.<br />

B. Air input. It is mandatory to install a filter.<br />

F. H8/6<br />

Location of the air intake and output in the electrical cabinet<br />

Place the extractor fan at the top of the cabinet and the air intake at the<br />

bottom. See previous figure.<br />

To have a filter in the air input. The fan should also have a filter.<br />

Decrease the air intake speed from the outside by making the air input<br />

window larger than that of the fan. The required power and air flow depends<br />

on the power installed.<br />

nstall the DDS system as far away as possible from air inputs and outputs.<br />

Carry out periodic maintenance on air filters.<br />

Use the following suggestions to minimize the maintenance of this type of<br />

cooling systems and the contamination of the electrical cabinet:<br />

Set the fan to work only when the inside temperature of the electrical<br />

cabinet exceeds the predetermined limit (for example 45 °C). This will<br />

decrease its running time and the flow of the incoming air while increasing<br />

the lifespan of the fan. The cost of this solution is minimal using a bimetal<br />

type thermostat or controlling it by using one of the outputs of the<br />

PLC or CNC.<br />

Install a fan whose speed varies depending on the air temperature. This<br />

type of fans have an NTC sensor either integrated into it or supplied as an<br />

accessory by the fan manufacturer.<br />

A<br />

B<br />

Installation<br />

INSTALLATION<br />

Location 8.<br />

DDS<br />

HARDWARE<br />

Ref.1307<br />

275

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