flamco WMS 2-1, Инструкция по установке и эксплуатации, Страница: 5 / 84

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product or connected products. Neither the manufacturer nor the distribution company
assume any liability for unintended use. The manufacturer assumes no liability for printing
errors.
3. Product description
The low water level protection system (WMS) consists of a fail-safe, self-monitoring
signaling unit with periodic self-test and a sensor.
The signaling unit and sensor are connected by a two-wire signal cable of up to 10 m in
length.
The product combination detects and reports low water levels (lack of water).
Sensor
The sensor consists of a metallic electrode housing, a fitted plastic case and an electrode
rod that pulls out about 12 to 13 mm for functional testing.
The sensor is available in two versions:
f
Sensor DN 20:
Angled electrode housing with two (DN 20) welded fitting
(Ø i = 20 mm, Ø a = 26.5 mm)
1 Electrode rod
2
Plastic housing
3 Electrode housing
4 Union nuts G1", size 40
5 Flange seal 30 x 21 x 2
6 Welded fitting Ø 26.5
(DN 20)
Fig. 1: Sensor DN 20