Installation and operating instructions
Fresh water station WHI freshaqua 44; Fresh water station WHI freshaqua 55
3 Product description
83514402
▪
1/2017-08
▪
Ext. PAW
9-36
3.3
Technical Data
Dimensions
WHI freshaqua 44
WHI freshaqua 55
Height (with insulation)
795 mm
Width (with insulation)
602 mm
Depth (with insulation)
298 mm
Centre distance, top
120 mm
Centre distance, bottom
100 mm
Primary pipe connection
(storage tank circuit)
1½" male thread, flat sealing
2" male thread, flat sealing
Secondary pipe connection
(WHI freshaqua)
1" male thread, flat sealing
1¼" 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
1 l/min
Operating temperature
2 – 95°C
Max. power Q
max
153 kW at flow
prim.
75 °C /
DHW
sec.
60 °C / DCW
sec.
10 °C
192 kW at flow
prim.
75 °C /
DHW
sec.
60 °C / DCW
sec.
10 °C
Flow rate at Q
max
primary: 2500 l/h,
secondary: 44 l/min
primary: 3000 l/h,
secondary: 55 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
High-efficiency pump
with PWM control, 3-140 W
Heat exchanger
40 plates
60 plates
Flow rate sensor
FlowSonic, measuring range: 1-80 l/min
Temperature sensors
primary: 1 x Pt1000, rapid;
secondary: 2 x Pt1000, rapid
Check valve (in the ball valve)
primary: 2 x 200 mm wc
primary: 2 x 800 mm wc
