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6. Commissioning and Operation
6.1 Potential danger
When it starts up, the impact sprinkler rises up out of the housing and builds up full
pressure within about 5 seconds. The jet of water emitted can cause injury. For this reason
the following guidance must be followed when commissioning and operating the sprinkler:
• When the sprinkler is being operated in automatic mode,
there must be nobody present in the area.
• Operating personnel must not stand in the direction of the sprinkler’s jet.
If the sprinkler is not installed ush with the ground, people may be injured by a fall as a
result of stumbling or tripping. Therefore check prior to commissioning and regularly during
ongoing use whether the sprinkler cover shuts ush with the surrounding ground.
The sprinkler must not be operated without a closed cover for the cable compartment.
During operation the sprinkler head props itself against the edge of the cover and cannot
rotate freely without the cover.
Cover for cable
compartment
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