Xylem wtw MIQ/IDS, Руководство по эксплуатации

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Installation MIQ/IDS
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ba77277d01 01/2024
3.4 Safety requirements of the electrical installation
Electrical equipment (such as motors, contactors, cables, lines, relays,
switches, instruments) must meet the following requirements:

Compliance with national regulations (e.g. NEC, VDE and IEC)
Compliance is given if the following conditions are met:
– The MIQ/IDS module and all connected sensors are operated in one build-
ing.
– The maximum length of the connected IDS cables is 30 m.

Suitability for the electrical conditions at the place of installation
– Maximum operational voltage
– Maximum operational current

Suitability for the ambient conditions at the place of installation
– Temperature resistance (minimum and maximum temperature)
– Stability against UV light in the case of outdoor usage
– Protection against water and dust (Nema or IP type of protection).

Suitable fuse protection of the electrical circuit
– Overcurrent protection devices
(according to the technical data of the instrument input or output)
– Overvoltage limitations of overvoltage category II

Suitable external separator (e.g. switch or circuit-breaker) for the power sup
-
ply of permanently installed instruments with separate power connection
– compliant with the following regulations
- IEC 60947-1
- IEC 60947-3
– in the vicinity of the instrument (recommendation)

Flame resistant (cable and lines),
compliant with the following regulations
– UL 2556 VW-1 (for USA, Canada)
– IEC 60332-1-2 (outside the USA, Canada)
3.5 Installation in the IQ S
ENSOR
N
ET
The IQ S
ENSOR
N
ET
provides a number of options for integrating the MIQ/IDS
mechanically and electrically in the system (stacked mounting, distributed
mounting, etc.). The individual types of installation are described in detail in the
I
NSTALLATION
chapter of the system operating manual.