WIKA TR12-M - Handbuch (Seite 19)

GB
6. Commissioning, operation / 7. Information on mounting ...
11419904.02 09/2013 GB/D
WIKA operating instructions models TR12, TC12 (Ex d) 19
6.2 Electrical connection
Variant 1
For the electrical specifications (e.g. connection diagrams, tolerance values, etc.) please
refer to the data sheets TE 60.17 (for TR12) and TE 65.17 (for TC12).
Variant 2
For the electrical specifications (e.g. connection diagrams, tolerance values, etc.) please
refer to the relevant operating instructions and/or data sheet for the built-in head-mounted
transmitter.
Variant 3
For the electrical specifications (e.g. connection diagrams, tolerance values, etc.) please
refer to the relevant operating instructions and/or data sheet for the built-in Ex d field
transmitter.
Variant 1 and 2
■ Junction between Ex d cable gland and connection head
Threads M20 x 1.5: tightening torques 12 Nm
Threads ½ NPT: tightening torques 30 Nm
■ Junction between cable and Ex d cable gland
Screw the male nut tightly into the adapter (use appropriate tools!)
During installation, take care to
■ Avoid distorting the cable sheath when tightening the male nut.
■ Avoid cutting too deep into the cable sheath.
■ Use suitable cable.
■ Be careful of the clamping zone of the cable gland.
7. Information on mounting and operation in hazardous areas
WARNING!
Non-observance of these instructions and their contents may result in the loss
of explosion protection.
The requirements of the 94/9/EC (ATEX) directive must be followed. Additionally
the specifications of the respective national regulations concerning Ex usage
(e.g. EN/IEC 60079-10 and EN/IEC 60079-14) apply.