ACV WaterMaster 45 - Hydraulic Characteristics and DHW Performance

WaterMaster 25 - 35 - 45 - 70 - 85 - 120 : A1006482 - 664Y7300 • D
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TECHNICAL CHARACTERISTICS
HYDRAULIC CHARACTERISTICS MAXIMUM OPERATING CONDITIONS
Maximum Service Pressure (tank full of water) *
- Primary circuit : ....................................................................................................................3 bar
- DHW circuit : ...................................................................................................................... 8.6 bar
Maximum Operating Temperatures
- Maximum temperature (primary) : ............................................................................... 87°C
- Maximum temperature (DHW) : .................................................................................... 75°C
Water Quality
See "Recommendations for the Prevention of Corrosion and Scaling in Heating Systems" on the following
page.
* The hydraulics of the water heater have been tested according to EN 89:2015, and the water heater is classied as a pressure class 3
appliance.
WaterMaster
Main Characteristics
25 35 45 70 85 120
Capacity (primary) L 100 100 100 125 125 125
Capacity (DHW) L 96 96 96 190 190 190
Water pressure drop (primary circuit)
(Δt = 20 K)
mbar 3 6 10 9 14 27
DHW PERFORMANCE
Domestic hot water performance* (cold drink water at 10°C)
Operating conditions at 80°C
WM 25 WM 35 WM 45
Constant ow at
40 °C [∆T = 30 K]
L/h
788 1,104 1,390
45 °C [∆T = 35 K]
L/h
676 946 1,192
60 °C [∆T = 50 K]
L/h
473 662 820
Peak ow at
40 °C [∆T = 30 K]
L/10’
361 408 471
45 °C [∆T = 35 K]
L/10’
301 339 373
60 °C [∆T = 50 K]
L/10’
183 197 320
Peak ow 1st hour at
40 °C [∆T = 30 K]
L/60’
1,018 1,328 1,610
45 °C [∆T = 35 K]
L/60’
865 1,127 1,366
60 °C [∆T = 50 K]
L/60’
577 749 894
Reheat time from 10°C to 80°C min.
35 26 23
DHW eciency at T = 30 K %
105.4 105.4 103.1
Domestic hot water performance* (cold drink water at 10°C)
Operating conditions at 80°C
WM 70 WM 85 WM 120
Constant ow at
40 °C [∆T = 30 K]
L/h
2,087 2,534 3,402
45 °C [∆T = 35 K]
L/h
1,789 2,172 2,928
60 °C [∆T = 50 K]
L/h
1,252 1,520 1,754
Peak ow at
40 °C [∆T = 30 K]
L/10’
716 783 900
45 °C [∆T = 35 K]
L/10’
592 646 676
60 °C [∆T = 50 K]
L/10’
348 371 440
Peak ow 1st hour at
40 °C [∆T = 30 K]
L/60’
2,455 2,895 3,620
45 °C [∆T = 35 K]
L/60’
2,083 2,456 3,098
60 °C [∆T = 50 K]
L/60’
1,391 1,638 1,847
Reheat time from 10°C to 80°C min.
27 24 23
DHW eciency at T = 30 K %
103.9 103.9 102.2