9. Before starting
Make sure the unit has been correctly settled 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)
10. 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 control 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 regulations in the country of use.
Special conditions for safe use
11.
During the installation, the user will take into consideration that the equipment underwent only
o shock corresponding to an energy of a low risk
The associated units types ZBW5AJ..., ZBW5AD..., ZBW5AG..., ZBW4BA..., ZBW4BPS...
and ZBW5APS... have to be protected from light.
ZBW025A12 – Index 08 – 20/05/2015
Operating instructions
Contact block and control units - ZBWE and XBW series
ENG
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