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Nominal capacity
Domestic hot and cold
water connection,
boiler side
Unit dimensions,
width
Unit dimensions,
height
Unit dimensions,
depth
Weight when filled,
approx.
IP rating
Technical data – Domestic hot water mode
Max. permissible inlet
temperature, Tin max.
Minimum start-up
pressure
Minimum start-up flow 3 l/min
Switch-off water
volume
Max. flow rate quantity 8 l/min
Max. flow rate quantity
with limiter 12 l
Permitted excess
pressure
Technical data – Electrics
Rated voltage
Nominal output
Nominal current
Fuse protection
Specific resistance
ρ15 ≥ (when ϑ cold ≤
35 °C)
Specific conductivity
σ15 ≤ (when ϑ cold ≤
35 °C)
Electrical connection
0020288451_00 electronicVED Installation instructions
VED E 18/8 INT VED E 21/8 INT VED E 24/8 INT VED E
0.4 l
0.4 l
G 1/2"
G 1/2"
240 mm
240 mm
481 mm
481 mm
100 mm
100 mm
4.4 kg
4.4 kg
IP 25
IP 25
VED E 18/8 INT VED E 21/8 INT VED E 24/8 INT VED E
55 ℃
55 ℃
0.015 MPa
0.015 MPa
3 l/min
2.5 l/min
2.5 l/min
8 l/min
12 l/min
12 l/min
1.0 MPa
1.0 MPa
VED E 18/8 INT VED E 21/8 INT VED E 24/8 INT VED E
400 V
400 V
18 kW
21 kW
26 A
31 A
32 A
32 A
≥ 900 Ω⋅cm
≥ 900 Ω⋅cm
≤ 1,111.0 µS/cm ≤ 1,111.0 µS/cm ≤ 1,111.0 µS/cm ≤ 1,111.0 µS/cm
3~PE,
3~PE,
400 V/50 Hz
400 V/50 Hz
Appendix
27/8 INT
0.4 l
0.4 l
G 1/2"
G 1/2"
240 mm
240 mm
481 mm
481 mm
100 mm
100 mm
4.4 kg
4.4 kg
IP 25
IP 25
27/8 INT
55 ℃
25 ℃
0.015 MPa
0.015 MPa
3 l/min
3 l/min
2.5 l/min
2.5 l/min
8 l/min
10 l/min
12 l/min
12 l/min
1.0 MPa
1.0 MPa
27/8 INT
400 V
400 V
24 kW
27 kW
35 A
39 A
40 A
40 A
≥ 900 Ω⋅cm
≥ 900 Ω⋅cm
3~PE,
3~PE,
400 V/50 Hz
400 V/50 Hz
45
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