- External damage is evident on the housing.
- The unit has been subjected to excessive loads for which it is not
designed.
- Incorrect storage of the unit.
- Damage sustained in transit.
- Correct certification is illegible.
- Functionality errors occur.
- Permitted tolerances or threshold values have been exceeded.
4. Safety Regulations
Use of this unit assumes that the operator observes conventional
safety regulations and has read the certificate in order to eliminate
faulty operation of the unit.
The following safety regulations must be complied with:
- The housing of the quartz mechanism and the battery
-
compartment must not be opened within the Ex-zone.
- The battery must only be changed outside of the Ex-zone.
- Additional or spare batteries must not be carried in the Ex-zone.
- Only the "type-approved" batteries as listed in these Operating
-
Instructions may be used.
- Ensure that Ex-Time 40 units are securely attached
-
to the wall.
- It must be ensured that the clock does not accidentally fall into
zone 0.
- The clock should only be cleaned with a damp cloth.
5. Ex-Data
EC Certificate of Conformity no.:
Ex-Designation
Approved for areas classified as zones 2 and 1, device group II,
Explosion group IIC potentially explosive gases, vapours or mist,
temperature class T4
PTB 02 ATEX 2197 X
† II 2 G Ex ia IIC T4
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