WAGNER EPG-Sprint X, Руководство по эксплуатации

Страница: 54 / 104

54
EPG-SPRINT X
OPERATING MANUAL
VERSION 06/2014 ORDER NUMBER DOC2329371
7.8
PURGE FUNCTION
The EPG-SPRINT X control unit has two diff erent purge functions:
Hose purge function
Cleaning purge function
7.8.1
HOSE PURGE FUNCTION
This function blows dosing air through the powder feed hose and spray guns when the
powder fl ow is switched off (manual guns - releasing of trigger lever, automatic guns-signal
from control).
This function is set to the "OFF" parameter value in the factory. The values can be changed
in the parameter settings for parameters C22 and C23 (see Device Confi guration chapter).
7.8.2
CLEANING PURGE FUNCTION
This function is used at the end of a shift or during a change in color. All parts carrying
powder are purged. The purge process is as described below:
First the atomizing air is activated. After around 0.5 seconds, the feed and dosing air are
added, increasing all the time. After a total of 2.5 seconds, the feed and dosing air purge in
pulses while the atomizing air remains constant throughout.
The cleaning purge function is only available when the control unit is switched on and in
the operating mode. In standby mode or in confi guration mode, this function is inactive.