Technical Data - Baxi DN 25 Installation And Operating Instructions For The Specialised Installer

4 Technical data

4.1 Performance data
Nominal size:
Max. operating temperature t
Max. operating pressure p
Safety valve:
Opening pressure check valve: 20 mbar
Mechanical flow measuring and
regulating device:
Distance between pipe centres: 100 mm
Connection thread
Technical data of the solar pumps see paragraph 4.5
and 4.6.
Fluid: Non-aggressive fluids (e.g. water and suitable
water and glycol mixtures according to VDI 2035). Not
suitable for steam, oily and aggressive fluids.
DANGER
Suitable measures (e.g. safety valves) have
to be taken to ensure that the maximum
operating pressures and max. operating
temperatures are not exceeded.
4.2 ErP relevant data
Power
consumption - W 23
pump
Power
consumption - W
standby
4.3 Materials
Valves and fittings
Insulation
Wall mounting device
Seals
Scale tube
Handles
Pump body
Flanged pipe (optional)
4
DN 25
: 120 °C
s
: 6 / 10 bar (PN10)
s
6 bar
2-15 / 7-30 l/min
G1 male thread
23 23
–
0.3 0.5
Brass
EPP
PA6.6
EPDM
PSU
PA6.6
Cast iron
Copper
4.4 Dimensions/Connection sizes
Illustr. 4.1. "Gruppo
elettronica+"
45
–
Illustr. 4.2 "Gruppo circolazione solare ECO+/Comfort+"
Illustr. 4.3 "Gruppo circolazione solare alta prevalenza+"
circolazione solare senza