Appendix
0020244995_02
ecoTEC
pro
Installation
and
maintenance
instructions
49
Technical data
–
Heating
VUW 246/5-
3 (H-GB)
ecoTEC pro
24
VUW 286/5-
3 (H-GB)
ecoTEC pro
28
VUW 286/5-
3 (P-GB)
ecoTEC pro
28
Maximum flow temperat-
ure
85
℃
85
℃
85
℃
Max. flow temperature
adjustment range (default
setting: 75 °C)
30 … 80
℃
30 … 80
℃
30 … 80
℃
Permissible total over-
pressure
0.3 MPa
(3.0 bar)
0.3 MPa
(3.0 bar)
0.3 MPa
(3.0 bar)
Minimum pressure for
full operation
0.08 MPa
(0.80 bar)
0.08 MPa
(0.80 bar)
0.08 MPa
(0.80 bar)
Expansion vessel capa-
city
10 l
10 l
10 l
Circulation water volume
(with reference to
Δ
T= 20 K)
813 l/h
813 l/h
813 l/h
Approx. condensate rate
(pH value 3.5 to 4.0) in
50/30 °C heating mode
1.9 l/h
1.9 l/h
1.9 l/h
Remaining feed head of
pump (at nominal circula-
tion water volume)
0.025 MPa
(0.250 bar)
0.025 MPa
(0.250 bar)
0.025 MPa
(0.250 bar)
Technical data
–
Hot water handling mode
VUW 246/5-
3 (H-GB)
ecoTEC pro
24
VUW 286/5-
3 (H-GB)
ecoTEC pro
28
VUW 286/5-
3 (P-GB)
ecoTEC pro
28
Lowest water volume
2.0 l/min
2.0 l/min
2.0 l/min
Water volume (at
Δ
T = 30 K)
11.0 l/min
13.4 l/min
13.4 l/min
Water volume (at
Δ
T = 35 K)
9.6 l/min
11.1 l/min
11.1 l/min
Water volume (at
Δ
T = 42 K)
8.0 l/min
9.3 l/min
9.3 l/min
Permitted overpressure
1.0 MPa
(10.0 bar)
1.0 MPa
(10.0 bar)
1.0 MPa
(10.0 bar)
Required connection
pressure
0.035 MPa
(0.350 bar)
0.035 MPa
(0.350 bar)
0.035 MPa
(0.350 bar)
Hot water output temper-
ature range
35 … 65
℃
35 … 65
℃
35 … 65
℃
Technical data
–
Electrics
VUW 246/5-
3 (H-GB)
ecoTEC pro
24
VUW 286/5-
3 (H-GB)
ecoTEC pro
28
VUW 286/5-
3 (P-GB)
ecoTEC pro
28
Electric connection
230 V/50 Hz
230 V/50 Hz
230 V/50 Hz
Permissible connected
voltage
190 … 253 V
190 … 253 V
190 … 253 V
Built-in fuse (slow-blow)
2 A
2 A
2 A
Min. electrical power con-
sumption
35 W
35 W
35 W
Max. electrical power
consumption
50 W
80 W
80 W
Standby electrical power
consumption
< 2 W
< 2 W
< 2 W
Level of protection
IP X4 D
IP X4 D
IP X4 D