Burkert Type 8696 - Manual (Page 2)

2 english
Type 8690. 8691. 8692, 8693,
8694, 8695, 8696
Safety Instructions
DANGER!
Risk of explosion!
To avoid the risk of explosion, follow not only the safety instructions in the respective
operating instructions, but also observe the following information concerning
operation in the hazardous area:
• Observe the specifications relating to temperature class and ambient temperature
on the rating plate.
• Do not use the devices with gases or dust which have a lower ignition temperature than
specified on the rating plate.
• Installation, operation and maintenance may be performed by qualified technicians only.
• Observe the applicable safety regulations (also national safety regulations) as well as the
general regulations of technology concerning installation and operation.
• Do not repair the device yourself, but replace it with an equivalent device. Repairs may be
performed by the manufacturer only.
• Do not expose the device to mechanical and/or thermal stresses which exceed the limits
described in the operating instructions.
To avoid the risk of explosion, observe the following information when performing
installation and maintenance in the hazardous area:
• Do not open the housing of the device when hazardouse atmosphere exist.
• To avoid an electrostatic charge, wipe the housing surface with a damp cloth only.
• Secure cable connections which have circular connectors with suitable securing clips.
For example: EXCLIP, FA. Phoenix Contact, type SAC-M12-EXCLIP-M, art. no. 1558988
or type SAC-M12-EXCLIP-F, art. no. 1558991.
• Use only cable and line entries which are authorized for the particular application area and
are screwed together according to the appropriate installation instructions.
• If the cable gland is pre-assembled, install it according to the installation instructions
supplied by the manufacturer of the screw connection.
Before start-up, check whether the cable gland was installed in the hazardous area as
described in the appropriate installation instructions.
• Seal all cable glands which are not required with ex-approved screw plugs.
• Do not open the housing of the device for operating inside switches when hazardous
atmosphere exist.
While bringing into sevice no hazardous atmosphere shall exist.
• Lock the cover with a torque of 10 Nm.
• Field installation with restriction at the installation site: protected installation position.
Select an installation site which excludes an increased mechanical load at the installation
location.