Commissioning Of Remote Level Gauge - Igema G Installation And Operating Instructions Manual

8.2 Commissioning of remote level gauge

Fill level gauge and connection lines with water and indicator liquid in the following order to
avoid air locks.
•
Close tightly main shutoff valves (c, g) and indicator valves (h, j).
Check bolts of adjusting screw (r) and plug (m).
Unscrew plugs (a, m and n).
•
Fill in water at plug (n) on the indicator valve (j) until the water level is in the highest
visible area of the indicator. Then fill in the indicator liquid until the level of the indicator
liquid is at the highest visible point of the indicator. Continue to fill in a quantity of approx.
10 cm³ of indicator liquid.
The marking of the working material "indicator liquid" is visible on the container.
Observe the safety advice on the container of the indicator liquid.
These are shown on the container of the indicator liquid and in the safety
data sheet.
Use the liquid supplied in the container within one year.
Danger
•
Fill in clean water up to overflowing at plug (n) on indicator valve (h). Firmly tighten plug
(n) with sealing.
•
Fill in clean water up to overflowing at plug (n) on indicator valve (j). Firmly tighten plug
(n) with sealing.
•
Slowly fill in clean water up to overflowing at vent plug (a) of main shutoff valve (c).
Both shutoff valves (c, g) must be closed. Tighten vent plug (a) with sealing
•
After having reached a minimum operating pressure of 2 bar, open valves in the
following order: c, g, h and j.
•
Check all screw connections for tightness during the period of boiler start-up to operating
condition and retighten if necessary. After a few hours of operation, check all screw
connections again for tightness and retighten them.
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