thuba XBW4BA Serie Manuel page 13

Manual INERIS 17 ATEX 9001U
8. Maintenance
The maintenance and repairs works on devices
must be made only by authorized and trained
persons for that purpose.
Before any technical intervention the devices
must be switched off.
– Prevent and avoid any formation of layers
of dusts: make a periodic cleaning with a
wet cloth.
– Do not take apart the command and con-
trol units (push buttons, pilot light, etc.).
The following checks must be made at least
once a year:
– The outdoor equipment and surfaces must
not be damaged.
– The cable entries and blanking plugs must
be threaded.
– Check tightness of the connections,
rewiring if necessary.
It is also necessary to observe the regula-
tions in the country of use.
9. Special conditions for safe use
During the installation, the user will take into
consideration that the control units Types
ZBW4B... and ZBW5... underwent only o
shock corresponding to an energy of a low
risk
The associated units types ZBW5AJ...,
ZBW5AD..., ZBW5AG...,
ZBW4BPS... and ZBW5APS... have to be
protected from sun light.
The contact type ZBWE... has to be integrat-
ed into an enclosure protected by a recog-
nised type of protection adapted to the area.
Edition March 2017
Copyright
ZBW4BA...,
13
thuba Ltd., CH-4015 Basel
Switzerland