DANGER
Danger due to damaged seals
Damaged seals can result in the failure of the explosion protection.
This can cause faults which can result in eventual or immediate death, serious injury or
material damage.
Only operate the machine with intact, undamaged seals.
6.1.2 Selecting cables
Take the following criteria into account when selecting the connecting cables:
● Rated current
●
Rated voltage
● If required, service factor
● System-dependent conditions, such as ambient temperature, routing type, cable cross-
section as defined by required length of cable, etc.
● Requirements according to IEC / EN 60204‑1
● Requirements according to IEC / EN 60079-14 when used in Zones 1, 2 or 21, 22
● Configuration notes
6.2 Connecting
6.2.1 Terminal boxes with type of protection "Ex e"
WARNING
If the seal of the pressure relief flap (preset breaking point) in the lower section of the terminal
box is damaged, then the explosion type of protection is no longer guaranteed.
An
explosion
may occur during operation. This can result in death, serious injury or material
damage.
The damaged seal may only be repaired with original sealing material.
Electrical connection
6.2 Connecting
LOHER CHEMSTAR 1PS2
Operating Instructions 08/2016 55
To Next Page
Loading...
