Hydraulic Characteristics; Dhw Performance; Maximum Operating Conditions - ACV WaterMaster 25 Installation, Operation And Maintenance Instructions For The Installer And The User

EN
TECHNICAL CHARACTERISTICS

HYDRAULIC CHARACTERISTICS

FR
Main Characteristics
Capacity (primary)
Capacity (DHW)
NL
Water pressure drop (primary circuit)
(Δt = 20 K)
ES

DHW PERFORMANCE

Domestic hot water performance* (cold drink water at 10°C)
Operating conditions at 80°C
IT
40 °C [∆T = 30 K]
Constant flow at 45 °C [∆T = 35 K]
60 °C [∆T = 50 K]
40 °C [∆T = 30 K]
Peak flow at 45 °C [∆T = 35 K]
DE
60 °C [∆T = 50 K]
40 °C [∆T = 30 K]
Peak flow 1st hour at 45 °C [∆T = 35 K]
60 °C [∆T = 50 K]
Reheat time from 10°C to 80°C
PL
DHW efficiency at T = 30 K
Domestic hot water performance* (cold drink water at 10°C)
Operating conditions at 80°C
RU
40 °C [∆T = 30 K]
Constant flow at 45 °C [∆T = 35 K]
60 °C [∆T = 50 K]
40 °C [∆T = 30 K]
Peak flow at 45 °C [∆T = 35 K]
60 °C [∆T = 50 K]
40 °C [∆T = 30 K]
Peak flow 1st hour at 45 °C [∆T = 35 K]
60 °C [∆T = 50 K]
Reheat time from 10°C to 80°C
DHW efficiency at T = 30 K
en
32
WaterMaster
25 35 45 70
L 100 100 100 125
L 96 96 96 190
mbar 3 6 10 9
WM 25 WM 35
L/h 788 1,104
L/h 676 946
L/h
473 662
L/10'
361 408
L/10'
301 339
L/10' 183 197
L/60' 1,018 1,328
L/60' 865 1,127
L/60' 577 749
min.
35 26
%
105.4 105.4
WM 70 WM 85
L/h 2,087 2,534
L/h 1,789 2,172
L/h 1,252 1,520
L/10' 716 783
L/10'
592 646
L/10'
348 371
L/60'
2,455 2,895
L/60' 2,083 2,456
L/60' 1,391 1,638
min. 27 24
% 103.9 103.9

MAXIMUM OPERATING CONDITIONS

Maximum Service Pressure (tank full of water) *
- Primary circuit : .................................................................................................................... 3 bar
85 120
- DHW circuit : ...................................................................................................................... 8.6 bar
125 125
190 190
Maximum Operating Temperatures
- Maximum temperature (primary) : ...............................................................................87°C
14 27
- Maximum temperature (DHW) : .................................................................................... 75°C
Water Quality
See "Recommendations for the Prevention of Corrosion and Scaling in Heating Systems" on the following
page.
WM 45
1,390
1,192
820
471
373
320
1,610
1,366
894
23
103.1
WM 120
3,402
2,928
1,754
900
676
440
3,620
3,098
1,847
23
102.2
* The hydraulics of the water heater have been tested according to EN 89:2015, and the water heater is classified as a pressure class 3
appliance.
WaterMaster 25 - 35 - 45 - 70 - 85 - 120 : A1006482 - 664Y7300 • D