Installation and operating instructions
Fresh water station WHI freshaqua 44; Fresh water station WHI freshaqua 55
83514402
▪
1/2017-08
▪
Ext. PAW
25-36
The following diagram shows the maximum tapped flow rate at a hot water temperature
of 45 °C at the tap point after adding 10°C cold water.
The hot water temperature set at the controller is 60 °C.
Tapped
flow
rat
e
[l/
m
in]
P
ower
[k
W]
Hot water temperature: 45 °C, after heating to 60 °C
and adding cold water (10 °C)
Buffer tank temperature
Boundary conditions:
Cold water temperature: 10 °C
Example 1
Hot water temperature on the controller: 60 °C
Temperature in the buffer tank: 70 °C
WHI freshaqua 44:
maximum tapped flow rate: 53 l/min, transmission power: 129 kW
WHI freshaqua 55:
maximum tapped flow rate: 82 l/min, transmission power: 200 kW
Example 2
Hot water temperature on the controller: 60 °C
Maximum tapped flow rate: 60 l/min
WHI freshaqua 44:
required temperature in the buffer tank: ~75 °C, transmission power: 155 kW
WHI freshaqua 55:
required temperature in the buffer tank: ~65 °C, transmission power: 155 kW
WHI freshaqua 44
WHI freshaqua 55
