Honeywell Fema DCM-203-574 Series Assembly And Operating Instructions Manual page 79

The switching point can be set within the
range given in the datasheet by using a
screwdriver on the setting spindle.
Additionally, you should remove the ter-
minal board casing (with four M4 hexagon
screws). The affixing screw on the front
end (above the scale) has to be removed
and should be reattached after setting the
switching point.
Turning the setting spindle clockwise yields
a lower switching point; turning it counter-
clockwise yields a higher switching point.
The scale should be used as a guide; for
more-exact settings, you should use a
manometer.
MU2B-0238GE51 R0616D
8. Testing Principles and Safety Information for Ex-de and Ex-t
8.6 Serial Numbers
All switch units and their respective
terminal board casings are marked with a
serial number.
When installing, you should ensure that the
terminal board casings do not get mixed
up.
Important notice
When installing the Ex switch units and
setting them up for operation, you should
comply with the recognized rules and
guidelines for installation in Ex-areas.
39