S+S Regeltechnik HYGRASGARD VFTF-wModbus Notice D'instruction page 9

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Installation and Commissioning
Devices are to be connected under dead-voltage condition. Devices
must only be connected to safety extra-low voltage. Consequential
damages caused by a fault in this device are excluded from warranty or
liability. These devices must be installed and commissioned by authorised
specialists. The technical data and connecting conditions shown on the
device labels and in the mounting and operating instructions delivered
together with the device are exclusively valid. Deviations from the
catalogue representation are not explicitly mentioned and are possible
in terms of technical progress and continuous improvement of our
products. In case of any modifications made by the user, all warranty
claims are forfeited. Operating this device close to other devices that
do not comply with EMC directives may influence functionality. This
device must not be used for monitoring applications, which serve the
purpose of protecting persons against hazards or injury, or as an
EMERGENCY STOP switch for systems or machinery, or for any other
similar safety-relevant purposes.
Dimensions of enclosures or enclosure accessories may show slight
tolerances on the specifications provided in these instructions.
Modifications of these records are not permitted.
In case of a complaint, only complete devices returned in original packing
will be accepted.
Notes regarding mechanical mounting and attachment:
Mounting shall take place while observing all relevant regulations and
standards applicable for the place of measurement (e.g. such as weld-
ing instructions, etc.). Particularly the following shall be regarded:
– VDE ⁄ VDI directive technical temperature measurements,
measurement set - up for temperature measurements.
– The EMC directives must be adhered to.
– It is imperative to avoid parallel laying of current-carrying lines.
– We recommend to use shielded cables with
the shielding being attached at one side to the DDC ⁄ PLC.
Before mounting, make sure that the existing thermometer's technical
parameters comply with the actual conditions at the place of
utilization, in particular in respect of:
– Measuring range
– Permissible maximum pressure, flow velocity
– Installation length, tube dimensions
– Oscillations, vibrations, shocks are to be avoided (< 0.5 g)
Attention! In any case, please observe the mechanical and thermal
load limits of protective tubes according to DIN 43763 respectively
according to specific S+S standards!
Flange mounting:
In case of flange mounting, screws in the flange part must be equally
tightened. The lateral pressure screw must clamp securely, otherwise
the feeler shaft might slip through.
SAFETY REGULATIONS
These devices shall only be used for their intended purpose. Respective
safety regulations issued by the VDE, the states, their control authorities,
the TÜV and the local energy supply company must be observed. The
buyer has to ensure adherence to the building and safety regulations and
has to avoid all dangers of any kind. We do not assume any warranty for
faults or damages arising or resulting from improper use of our equip-
ment or from non-observance of operating instructions. These instru-
ments must be installed by authorised specialists only!
Preferably shielded cables should be used in order to prevent damages ⁄
errors. It is imperative to avoid laying parallel with current-carrying
lines. EMC directives must be adhered to.
Notes on commissioning:
This device was calibrated, adjusted and tested under standardised
conditions. When operating under deviating conditions, we recommend
performing an initial manual adjustment on-site during commissioning
and subsequently at regular intervals.
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