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WIKA A2G-20 User Manual

Page 11

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WIKA operating instructions air2guide model A2G-20

11

GB

40339556.02 04/2012 GB/D/F/E/I

Commissioning

A prerequisite for the commissioning is a proper installation of all

electrical supply, control and measuring lines and of the pressure

connection lines. Before commissioning, the leak tightness of the

pressure connection lines must be checked.

The air velocity transmitter is supplied with a special protection cap

protecting the sensitive sensor element against damage during

transport. Before commissioning, this protection cap absolutely must

be removed!

Commissioning of the option with relay

Jumper and pushbutton for the setting of the relay parameters:

Set the jumper "switching point" (sw.p.) and then push the button to set

the desired switching point. The set value (m/s) is shown in the display.

Set the jumper "hysteresis" (hyst.) and then push the button to set the

desired hysteresis of the relay switching point. The set value (m/s) is

shown in the display.

7. Options and accessories

Standard accessories

Mounting flange

Options

LC display for measured value display

LC display for measured value display and relay (potential-free,

change-over contact, max. AC 250 V, 6 A, DC 30 V, 6 A, adjustable

switch point and hysteresis)

6. Commissioning, operation / 7. Options and accessories