Ofs Softening Control, Инструкция по эксплуатации, Страница: 26 / 28

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17. Technical data
Dimension of case
95 x 145 x 35 mm (W x H x D)
(wall/frame mounted)
Mounting area
120 x 220 x 120 mm (W x H x D)
(wall/frame mounted)
Weight approx. 800 g
Surrounding temperature
5°C … 50°C
Relative humidity
20% … 80%
Power supply
power supply unit 100 … 240 V / 50 … 60 Hz
Operating voltage 24 Volt DC
Power consumption approx. 6 Watt
Raw and soft water connection
branch pipe with connection for PA-hose Ø
4mm o.d., Ø 2 mm i.d. (up streamed dirt
filter ≤0.1 mm recommended)
Raw and soft water pressure
between 1 bar and maximum 10 bars,
pressure difference as low as possible
Drain minimum Ø 6 mm, pressure free
Quality of raw and soft water
natural water, free of grease, oil and brine
germ content < 5000 cfu/ml
Hardness range raw water 0.18 mmol/l up to 10.8 mmol/l, natural water
Evaluation of water hardness in raw water 100%
Evaluation of water hardness in soft water
parameterizable threshold value between
0.25% and 10% in reference to100% raw wa-
ter hardness
Measurement cycle time controlled 15 minutes break between the measurements
Measurement cycle process controlled
as long as contact water meter impulses are
recognized or a potential free closer is closed
Requirements to the contact water meter pulse repetition > 0.5 s
External signaling
threshold value exceeding/brine potential free contact switch max 24 Volt DC,
0.5 A
External signaling service requirement
potential free contact switch max 24 Volt DC,
0.5 A
External hardness evaluation
with current loop
4 … 20 mA max 250 Ohm loop resistor
Report current loop
0 …2 % or 0…10%
Sensor control automatically, with signaling of low quality
Operation time of sensor
approx. 6…9 month (without warranty)