AFRISO RF EX Serie Betriebsanleitung Seite 72

7 Commissioning
7.1 Commissioning the product
DAMAGE TO THE PRODUCT
• Verify that the maximum permissible operating temperature of the product is
not exceeded when the measuring line is cleaned or flushed by dismounting
the product or by using a shut-off unit.
Failure to follow these instructions can result in equipment damage.
1. Carefully commission the pressure measurement arrangement in order to
avoid pressure surges or sudden temperature changes.
2. Slowly open the shut-off units.
Commissioning
NOTICE
A
When performing pressure tests on
pipes, never apply pressure to pres-
sure gauges in excess of the speci-
fied permissible values for static
loads for the pressure gauge. If nec-
essary, the product must be shut off
or dismounted.
In many cases, the range for static
loads for a product is indicated by a
maximum value mark (A) (as per EN
837-1 / EN 837-3) on the dial.
In the case of fluctuating loads, prod-
ucts with maximum marks (A) at the
full scale end may only be subjected
to a pressure of 0.9 times the full
scale value. Products with a maxi-
mum mark (A) at 75 % of the full
scale value or products without a
maximum mark (A) may only be sub-
jected to a pressure of ⅔ of the full
scale value in the case of fluctuating
loads.
RF ... EX / KP ... EX
EN
30