Combustion Characteristics - ACV WaterMaster 25 Installation, Operation And Maintenance Instructions For The Installer And The User

TECHNICAL CHARACTERISTICS

COMBUSTION CHARACTERISTICS

Main Characteristics
G20/G25
max kW
Input (PCI)
min kW
DHW efficiency (EN89) %
Combustion
at 100% %
efficiency
Max. output mg/kWh
NOx (Class 5) Min. output mg/kWh
Weighted mg/kWh
Max. output ppm
CO
Min. output ppm
Max. output %CO
2
CO
2
Min. output %CO
2
20 mbar m³/h
Max gas flow rate
G20/G25
25 mbar m³/h
Max. gas flow rate G31 30/37/50 mbar m 3 /h
Normal °C
Temp of flue gases Max. °C
°C
Min.
Average temp. of combus-
DHW mode °C
tion products
Normal g/s
Mass flow rate of flue
gases*
Min. output g/s
WM 25 WM 35 WM 45
G31 G20/G25 G31 G20/G25
25.0 25.0 35.0 35.0 45.0
5.0 5.0 7.0 7.0 9.0
108.5 108.5 108.5 108.5 108.5
98.2 98.2 98.2 98.2 97.9
64 — 55 — 53
12 — 12 — 21
29 — 33 — 39
27 — 48 — 63
6 — 4 — 4
8.8 10.1 9.2/8.9 10.7 9.0
8.3 9.3 8.8/8.4 10.2 8.4
2.66 — 3.64 — 4.67
2.96 — 4.23 — 4.67
— 0.98 — 1.4 —
57.7 57.7 58.2 58.2 64.1
120 120 120 120 120
32.9 32.9 29.2 29.2 30.1
52.6 52.6 52.6 52.6 52.6
11.6 11.6 15.5 15.5 21.1
2.45 2.54 3.26 3.28 4.36
WaterMaster 25 - 35 - 45 - 70 - 85 - 120 : A1006482 - 664Y7300 • D
Main Characteristics
G31
45.0
max.
Input (PCI)
9.0
min.
108.5 DHW efficiency (EN89)
Combustion
97.9 at 100%
efficiency
— Max. output
— NOx (Class 5) Min. output
Weighted
—
Max. output
—
CO
Min. output
—
Max. output
10.7
CO
2
Min. output
10.1
20 mbar
—
Max gas flow rate
G20/G25
25 mbar
—
Max. gas flow rate G31 30/37/50 mbar
1.77
64.1
Temp of flue gases
120
30.1
Average temp. of com-
52.6 bustion products
Mass flow rate of flue
20.1
gases*
4.25
* Mass flow rate values were calculated for G20 and G31 with an air factor of 1.3.
WM 70
G20/G25 G31 G20/G25
kW 69.9 69.9 85.0
kW 21.5 21.5 21.0
% 107.7 107.7 107.7
% 98.1 98.1 98.0
mg/kWh 65 — 48
mg/kWh 23 — 26
mg/kWh 39 — 36
ppm 34 — 51
ppm 7 — 6
%CO 9.0 10.6 8.8/9.2
2
%CO 8.4 10.0 8.3/8.4
2
m³/h 7.2 — 8.6
m³/h 8.3 — 10.0
m3/h — 2.77 —
Normal °C 60 60 62
Max. °C 120 120 120
°C
Min. 29.0 29.0 28.7
°C
DHW Mode 51.0 51.0 51.0
Normal g/s 31.6 31.6 30.8
Min. output g/s 10.19 9.98 10.19
EN
WM 85 WM 120 FR
G31 G20/G25 G31
85.0 115.0 115.0
21.0 25.0 25.0
NL
107.7 107.7 107.7
98.0 97.5 97.5
— 48 —
ES
— 23 —
— 37 —
— 58 —
— 4 —
IT
10.8 8.9/9.1 11.1
10.0 8.4 10.4
— 12.0 —
— 14.0 — DE
3.37 — 4.68
62 64.6 64.6
120 120 120
PL
28.7 28.7 28.7
51.0 51.0 51.0
37.8 50.8 49.8
9.98 12.14 11.5
RU
en
17