Vaillant ecoTEC plus VUW 6/5-5 Series User Manual

0020244997_07 Installation and maintenance instructions 13
VU 306/5-
5 (P-GB)
ecoTEC plus
630
VU 386/5-
5 (H-GB)
ecoTEC plus
637
VUW 196/5-
5 (H-GB)
ecoTEC plus
825
VUW 246/5-
5 (H-GB)
ecoTEC plus
832
VUW 246/5-
5 (P-GB)
ecoTEC plus
832
VUW 306/5-
5 (H-GB)
ecoTEC plus
835
Permissible operating
pressure
0.25 MPa
(2.50 bar)
0.25 MPa
(2.50 bar)
0.25 MPa
(2.50 bar)
0.25 MPa
(2.50 bar)
0.25 MPa
(2.50 bar)
0.25 MPa
(2.50 bar)
Minimum pressure for
full operation
0.08 MPa
(0.80 bar)
0.08 MPa
(0.80 bar)
0.08 MPa
(0.80 bar)
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 10 l 10 l 10 l
Circulation water volume
(with reference to
ΔT= 20 K)
1,307 l/h 1,617 l/h 830 l/h 1,049 l/h 1,049 l/h 1,307 l/h
Approx. condensate rate
(pH value 3.5 to 4.0) in
50/30 °C heating mode
3.1 l/h 3.8 l/h 2.0 l/h 2.5 l/h 2.5 l/h 3.1 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)
0.025 MPa
(0.250 bar)
0.025 MPa
(0.250 bar)
0.025 MPa
(0.250 bar)
VUW 286/5-
5 (H-GB)
ecoTEC plus
838
Maximum flow temperat-
ure
85 ℃
Max. flow temperature
adjustment range (default
setting: 75 °C)
30 to 80 ℃
Permissible operating
pressure
0.25 MPa
(2.50 bar)
Minimum pressure for
full operation
0.08 MPa
(0.80 bar)
Expansion vessel capa-
city
10 l
Circulation water volume
(with reference to
ΔT= 20 K)
1,230 l/h
Approx. condensate rate
(pH value 3.5 to 4.0) in
50/30 °C heating mode
2.9 l/h
Remaining feed head of
pump (at nominal circula-
tion water volume)
0.025 MPa
(0.250 bar)
Technical data – Hot water handling mode
VUW 196/5-
5 (H-GB)
ecoTEC plus
825
VUW 246/5-
5 (H-GB)
ecoTEC plus
832
VUW 246/5-
5 (P-GB)
ecoTEC plus
832
VUW 306/5-
5 (H-GB)
ecoTEC plus
835
VUW 286/5-
5 (H-GB)
ecoTEC plus
838
Lowest water volume
2.0 l/min 2.0 l/min 2.0 l/min 2.0 l/min 2.0 l/min
Water volume (at
ΔT = 30 K)
12.3 l/min 15.2 l/min 15.2 l/min 16.7 l/min 18.5 l/min
Water volume (at
ΔT = 35 K)
10.5 l/min 13.0 l/min 13.0 l/min 14.3 l/min 15.9 l/min
Water volume (at
ΔT = 42 K)
8.8 l/min 10.9 l/min 10.9 l/min 11.9 l/min 13.2 l/min
Permitted overpressure
1.0 MPa
(10.0 bar)
1.0 MPa
(10.0 bar)
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)
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 ℃ 35 to 65 ℃ 35 to 65 ℃

Vaillant ecoTEC plus VUW 6/5-5 Series Specifications

General

Brand	Vaillant
Model	ecoTEC plus VUW 6/5-5 Series
Category	Boiler
Language	English