Test The Safety Switch - Heidolph Hei-VOLUME Distimatic Pro Betriebsanleitung

Commissioning

Test the safety switch

The function of the integrated safety switch can be tested with the test function
Safety switch
.
The safety switch is activated when a defined system overpressure is reached during
compressor operation. When the safety switch is activated, the compressor is shut
down so that the system pressure can be released.
Check system
➜
Open the
➜ In the footer, touch the function button
function (button changes to orange).
Start test
➜
Touch the
➜ Confirm the subsequent security query with
– During the test, the compressor is used to build up pressure in the system.
After a certain time has elapsed, the pressure mode valve is automatically
switched to vacuum mode by software and the compressor line is blocked
abruptly.
➜
If the safety switch does not trigger, a corresponding error message is displayed
and the red point in the middle of the display lights up continuously.
➜ If the safety switch triggers correctly, the green point in the middle of the display
lights up continuously and signals that the safety switch is working properly.
If the safety switch triggers correctly, the standard error message
for switching off the system after the safety switch has been trig-
gered also appears!
Follow the instructions on the display.
➜ The test can be stopped at any time by
➜
Press to close the menu.
menu as described in section "" on page 109.
Safety switch
function button.
Stop test
114
to activate the test
to carry out the safety switch test:
.