Installation; Scopes Of Delivery; Basic Principles Of Installation; Requirements Of The Measurement Location - Xylem WTW DIQ/S 281 Operating Manual

Installation

Controlled
environmental
conditions
12
3 Installation
3.1

Scopes of delivery

The following parts are included in the scope of delivery:
 Universal transmitter DIQ/S 28X
 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.
Work on the open instrument (e.g. during mounting, installation, maintenance)
may only be carried out under controlled environmental conditions:
Temperature
Relative humidity
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
+ 5 °C ... + 40 °C (+ 41 ... +104 °F)
≤ 80 %
DIQ/S 281
ba77244d01 08/2020