Vaillant ecoTEC pro 24 Installation And Maintenance Instructions Manual page 49

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