29
Table 3
5. Specification and application areas for contractors
5.1 Specification
(The details on the type plate apply)
5.2 Application areas
Specific electrical resistance and specific electrical conductivity
Table 4
For contractors
Details as application ranges for different reference temperatures
standard details
at 15 °C
at 20 °C at 25 °C
Resistance
Conductivity
Conductivity
Ωcm
mS/m
μS/cm
≥ 900
≤ 111
≤ 1110
≥ 800
≤ 125
≤ 1250
≥ 735
≤ 136
≤ 1360
Type DDLE Basis 11 DDLE Basis 13 DDLE Basis 18
DDLE Basis 18/21/24
with selectable output
DDLE Basis 27
Part number
Rated output kW
Rated current A 16 19.5 26 29 31 35 39
Fuses A 16 20 25 32 32 35 40
Selectable output nein nein nein ja ja ja nein
Pressure drop *
with DMB
without DMB
MPa (bar) / l/min
MPa (bar) / l/min
0.07 / 3.1
0.02 / 3.1
0.11 / 3.9
0.03 / 3.9
0.08 / 5.2
0.06 / 5.2
0.08 / 5.2
0.06 / 5.2
0.1 / 6.0
0.08 / 6.0
0.13 / 6.9
0.10 / 6.9
0.16 / 7.7
0.12 / 7.
7
Throughput limit
(DMB)
l/min
Colour
4.0
pink
4.0
pink
8.0
white
8.0
white
8.0
white
9.0
orange
9.0
orange
Nominal capacity 0.4 l
Type sealed/unvented
Rated operating
pressure
1 MPa (10 bar)
Weight 3.6 kg
Protection class to EN 60335 1
Protection level to EN 60529 IP 25
Test symbols see type plate
Water connection G ½” (male thread)
Power supply 3/PE ~ 400 V - 50 Hz
Bare wire heating system see application areas
Cold water inlet temperature max. 25 °C
Application area water with low lime-scale levels and those with lime-scale content
Throughput “ON” ≥ 3.0 l/min