ABB TZID, Operating Instructions Manual

Page: 7 / 67

42/18-54 EN Electro-pneumatic positioner TZID 7
1.2 Device-specific safety instructions
1.2.1 General
1.2.2 Pneumatic safety
!
WARNING
• Any user-made changes or manipulations of the device are prohibited!
Only the manufacturer or an expert for explosion protection are autho-
rized to modify the device.
!
CAUTION
• The TZID rotating shaft can only be rotated in the direction of the indi-
cating arrow on the shaft. There are no mechanical stops to limit the
actuator movement. Improper mounting can damage the device and
void warranty.
!
WARNING
• Observe the accident prevention rules of the Employers Liability
Insurance Association.
• Observe the safety instructions for the pneumatic actuator used.
The actuator's high actuating power may cause injuries!
!
CAUTION
• Take suitable precautions to ensure that even in case of malfunctions
the positioner’s max. admissible operating pressure of 6 bar (90 psi) is
not exceeded. Otherwise, the positioner and/or the actuator may be
damaged.
• The positioner must be supplied with instrument air exempt from oil,
water and dust according to DIN/ISO 8573-1, Class 3
- Purity: max. particle size 5 µm, max. particle density 5 mg/m
3
- Oil content: max. concentration 1 mg/m
3
- Pressure dew point: maximum value 10 K below operating temp.
3
Before connecting the air pipes blow them out to remove dust, splinters
and other particles.