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
Ω
cm
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