32 OIO 14en Edition 07/2017 Operating Instructions
Commissioning
Operation
Operation
Commissioning
Cleaning the pipe system
To protect the flowmeter against soiling carefully clean the complete pipe system carefully before
commissioning.
Possibilities:
□ Rinsing via bypass
□ Rinsing with flowmeter
► Rinsing via bypass: Close the shut-off devices before and after the flowmeter.
- or -
► Rinsing with flowmeter: An operating filter has to be installed before the flowmeter. Take the mesh
width of the filter into account, see Tab. 1, page 32.
The mesh width of the operating filter is relevant to the size of the flowmeter.
Tab. 1 Mesh width of the operating filter
Checking the function
Tab. 2 Function check table
Commissioning the flowmeter
Prerequisite:
□ The ambient conditions correspond to the operating data, see "Technical data", page 8
□ Flowmeter correctly installed into the pipe system, see "Installing the flowmeter", page 27
□ Flowmeter connection to the pipe system is free of mechanical stress
□ Pipe system is free of contamination and dirt particles
□ Pipe system vented
□ Shut-off devices in the supply and discharge lines opened
CAUTION
Damage to equipment through usage of an incorrect rinsing liquid.
► Under no circumstances may water or superheated steam be used to rinse the pipe system.
flowmeter size Mesh width max.
OMG 13 – 20 [mm] 0.1
OMG 32 – 140 [mm] 0.34
Test Procedure
Installation ► Check the direction of flow of the flowmeter.
► Check the installation and installation position
of the pick ups and of the temperature sensor.
► Check the pipe threading/flange and the
temperature sensors for leaks under operating
pressure.
Electrical installation ► Observe the corresponding operating
instructions for pick ups, temperature sensors
and electronic equipment.
Power supply ► Observe the corresponding operating
instructions for pick ups, temperature sensors
and electronic equipment.
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