Defensor ABS2 Installation and Operating Instructions

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The SU11, SU21, DU11 and DU21 base units
The base units are available in various versions. These are derived from
two basic configurations:
– SU11 and DU11: base unit with water-drain connection and automatic
flushing system.
– SU21 and DU21: base unit with automatic level security device, but
without water-drain connection.
Both basic configurations are available as single units (SU11/SU21) and as
double units (DU11/DU21).
The two basic configurations consist of the following items:
SU11/DU11 SU21/DU21
(with water-drain) (without water-drain)
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1 Connection for pressurized water
2 Water reservoir
3a Inlet valve
3b Inlet valves (2 pcs.)
4 Lifting magnet of drain valve
5 Drain valve
6 Drain connection
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3b
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7 Drain pipe
8 Float switch
9 Maximum level switch
10 Microswitch for filter unit
11 Mains connection, atomizer unit
12 Cable glands
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