Wika TR12-M Manual do Utilizador descarregar pdf (Página 19)

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 specications (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 specications (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 specications (e.g. connection diagrams, tolerance values, etc.) please

refer to the relevant operating instructions and/or data sheet for the built-in Ex d eld

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 specications of the respective national regulations concerning Ex usage

(e.g. EN/IEC 60079-10 and EN/IEC 60079-14) apply.

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Wika TR12-M Manual do Utilizador Página 19