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Installing the OPT/i WF gas flow sensor into WF
15/25/30i
Safety
Danger from incorrect operation and work that is not carried out properly.
This can result in severe personal injury and damage to property.
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Danger from electrical current.
Serious injuries or death may result.
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Electrical current hazard caused by an inadequate ground conductor connection.
This can result in severe personal injury and damage to property.
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Risk of scalding from hot system components.
Before starting work allow all hot system components to cool down to room temperature
(+25°C, +77°F), for example:
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WARNING!
All the work and functions described in this document must only be carried out by
trained and qualified personnel.
Read and understand this document.
Read and understand all the Operating Instructions for the system components,
especially the safety rules.
WARNING!
Turn the mains switch of the power source to - O - and disconnect the power source
from the mains
Secure all devices and components involved so they cannot be switched back on.
After opening the device, use a suitable measuring instrument to check that electri-
cally charged components (such as capacitors) have been discharged.
WARNING!
Always use the original housing screws in the original quantity.
CAUTION!
coolant
water-cooled system components
wirefeeder drive motor
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