Maintenance
38 TZIDC-200,
TZIDC-210, TZIDC-220
42/18-85-EN
8.1
Functional check for emergency shutdown module
IMPORTANT (NOTE)
When using the emergency shutdown module, a functional check must be performed at least
every two years.
Procedure:
Fig. 20: Slide switch for emergency shutdown module
1.
Open the housing cover.
2.
Move the slide switch (1) from center position "On" to the upper and lower switch positions
("Off1" or "Off2"), and check whether the actuator is depressurized.
3.
Reset the slide switch to the center position ("On") after the functional check.
4.
Replace the housing cover.