Igema EWLS, Инструкция по установке и эксплуатации

Страница: 10 / 36

10
2. Contents of the packaging
1 EWLS consists of:
Water column with number of probes ordered (EL65 (<=32bar) or EL60 (>32bar))
Measuring unit (MU-3) ; completely pre-wired
Control unit (CU-3)
Switch box with green / red signal lamps and yellow warning lamps 24 VDC
1 set of installation and operating instructions
3. Important information
3.1 Use in compliance with regulations
The E lectronic W ater L evel S witch (EWLS) is used for level monitoring of electrically
conductive liquids.
Typical applications:
- Steam lines (monitoring and discharge of condensate)
- Feedwater tanks (water tank, deaerator, condensate monitoring)
- Flash tanks, feedwater preheaters
- Turbine protection against water ingress (TWIP)
- Steam cooler
- High and low water (alarm and control)
The EWLS has been developed in compliance with the EU Directives 2014/35/EU,
2014/30/EU, 2014/68/EU and the standards:
EN 61000 -4 EN 61000 -6
EN 61010 -1 EN 13445
DIN EN 12952-7 DIN EN 12953-6
4. System description
4.1 Components
- Water column with number of probes ordered (EL65 (<=32bar) or EL60 (>32bar))
- Measuring unit (MU-3); completely pre-wired
- Control unit (CU-3) with separate power supply unit; for top-hat rail fitting within its switch
box
- Display unit (DU-3)
– (optional) (4-20 mA)
- Various CAN-Bus connecting cables (optional)