Installation and operating instructions
Fresh water station WHI freshaqua 22
3 Product description
83514302 ▪ 1/2017-08 ▪ Ext. PAW
9-32
3.3
Technical Data Fresh Water Station
Dimensions
WHI freshaqua 22 #1 and #3
WHI freshaqua 22 #2 and #4
Total height
645 mm
1116 mm
Total width
355 mm
446 mm
Total depth
249 mm
Centre distance, top
86 mm
Centre distance, bottom
47 mm
Primary pipe connection
(storage tank circuit)
G ¾" female thread
Secondary pipe connection
(WHI freshaqua)
G ¾" male thread, flat sealing
Safety valve outlet
G ¾" female thread
Operating data
Max. admissible pressure
primary: 6 bars, secondary: 10 bars
Min. flow rate
2 l/min
Operating temperature
2 – 95°C
Max. power Q
max
80 kW at Flow
prim.
75° / DHW
sec.
60° / DCW
sec.
10°
Flow rate at Q
max
primary: 1400 l/h, secondary: 22 l/min
Operating temperature sensors
-25 °C to +120 °C
Equipment
Safety valve
secondary: 10 bars, suitable for domestic water
Primary pump
High-efficiency pump with PWM control, 3-70 W
Secondary pump
—
High-efficiency pump
with PWM control, 3-70 W
Heat exchanger
30 plates
Flow rate sensor
secondary: 1 x VFS, Measuring range: 2-40 l/min
Temperature sensor
primary / secondary: 1 x PT1000 each, rapid
Check valve (in the ball valve)
primary: 1 x 200 mm wc, can be opened
