ACV WaterMaster 45 - Combustion Characteristics

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