Vaillant ecoTEC pro VUW 6/5-3 Series, Installation And Maintenance Instructions Manual

Page: 10 / 60

10
Installation and maintenance instructions ecoTEC pro 0020244995_04
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 to 80
℃
30 to 80
℃
30 to 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)
11.2 l/min 13 l/min 13 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 to 65
℃
35 to 65
℃
35 to 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 to 253 V 190 to 253 V 190 to 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 80 W 85 W 85 W
Standby electrical power
consumption < 2 W < 2 W < 2 W
Level of protection
IP X4 D IP X4 D IP X4 D