Wika S-20 Manual de usuario descargar pdf (Pagina 18)

18 WIKA operating instructions pressure transmitter, model S-20

14043170.02 07/2014 GB/D/F/E

6.1.2 Installing the instrument

WARNING!

Risk of burns!

The cooling element can be hot as a result of previ-

ous use. Allow the cooling element to cool before-

hand.

■

When screwing the instrument in, the force required to do

this must not be applied through the case or the cap ring, but

only through the spanner ats provided for this purpose and

using a suitable tool.

When there is a cooling element, the lower hexagon should

be used for tightening (see gure a "Mounting cooling

element")

The correct torque depends on the dimensions of the

process connection and the gasket used (form/material).

■

When screwing in, do not cross the threads.

■

For heat dissipation, the cooling element must not be

insulated.

■

If the instrument is mounted upside down, it must be ensured

that no water can collect on the electrical connection and on

the cap ring. Water can block the pressure compensation

diaphragm.

For information on tapped holes and welding sockets,

see Technical information IN 00.14 at www.wika.com.

6. Commissioning, operation

Spanner ats

Cap ring

Model S-20 without cooling element

Mounting a cooling element

Electrical

connection

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Wika S-20 Manual de usuario Pagina 18