thuba ZAW Manuel page 11

Manual INERIS 17 ATEX 9002U
• is not damaged external
• the surfaces of the lid which are in con-
tact with the units have no damage
• the gasket of the units are present and
not damaged
– Check if there is a specific position of
mounting.
– The wiring of the cable conductors must be
made with a particular care.
– The conductor insulation must reach the
terminal. The conductive soul must not be
damaged.
– Not to exceed the authorized maximal tem-
perature, it is advisable to choose the
appropriate cables and take a particular
care in installing them.
– Follow the instructions contained in the
specifications.
7. Before starting
– Make sure the unit has been correctly set-
tled and not damaged.
– Make sure the wiring and the tightening of
the terminal screws have been performed
properly (see descriptive tightening torque).
– The device may include any foreign body
and no part is damaged.
– The cable gland must be tightened (see
description of the gland torque).
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.)
Edition March 2017
Copyright
11
thuba Ltd., CH-4015 Basel
Switzerland