Xylem DIQ/S 281, Operating Manual

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DIQ/S 281 Installation
13
ba76226e02
03/2023
3 Installation
3.1 Scopes of delivery
The following parts are included in the scope of delivery:
 Universal transmitter DIQ/S 281
 Accessory kit with:
– Contact carrier with screws
– ISO cap nuts with screws and ring washers
– Cable glands with sealing gaskets
 Operating manual.
3.2 Basic principles of installation
3.2.1 Requirements of the measurement location
The measurement location must meet the environmental conditions specified in
section 9.1 DIQ/S 281.
Controlled
environmental
conditions
Work on the open instrument (e.g. during mounting, installation, maintenance)
may only be carried out under controlled environmental conditions:
3.3 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)
 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 (IP type of protection).
 Suitable fuse protection of the electrical circuit
– Overcurrent protection devices
Temperature + 5 °C ... + 40 °C (+ 41 ... +104 °F)
Relative humidity
≤
80 %