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8
Important notes
Usage for the intended purpose
The level switch NRGS 15 - 1 is designed for detecting and signalling levels in liquids with
a minimum electrical conductivity.
The equipment must only be used within the admissible pressure and temperature rat-
ings.
Any type of use differing from the usage described above must be considered as improp-
er. The resulting risk will have to be borne by the user alone. The manufacturer hereby
expressly rejects any claims for any damage resulting from improper usage.
Safety note
The equipment must only be installed and commissioned by qualified and competent
staff.
Retrofitting and maintenance work must only be performed by qualified staff who -
through adequate training - have achieved a recognised level of competence.
Danger
Danger
When loosening the level electrode steam or hot water might escape. This
presents the danger of severe scalds to the whole body.
It is essential not to mount or dismantle the electrode unless the boiler
pressure is verified to be zero!
The electrode becomes hot during operation. Touching the hot equipment
presents the risk of severe burns to hands and arms. All installation, removal
and maintenance work must only be performed when the system is cold.
Danger
The terminal strip of the level switch is live during operation. This presents
the danger of electric shock!
Cut off power supply before opening the housing cover of the level switch!
After removing the housing cover check again that the system is deener-
gized.
To check the power supply or the correct functioning, switch the level switch
on again. This work must only be performed by qualified personnel.
- NRGS 15-1 1
- Contents 2
- Dimensions 4
- Functional Elements 5
- Important notes 8
- Explanatory Notes 9
- – continued – 10
- - continued 11
- Technical data - continued 12
- Corrosion resistance 12
- Establishing Functions 13
- 123 54678910 14
- 123 54 678910 15
- Installation 16
- Installation – continued – 17
- Wiring – continued – 20
- Commissioning 21
- Commissioning – continued – 22
- Annex – continued – 27
- Examples of Installation 28
- For your notes 29
- GESTRA AG 30
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Woodstock SHOP FOX W1717 Handbücher
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