en
3
FlowSol
®
B HE
WMZ
1
Overview
• With integrated heat quantity measure-
ment via VFS Grundfos Direct Sensor
TM
• Pre-assembled twin-line pump station
• Integrated
DeltaSol
®
BX W controller
• Design insulation casing
• Innovative hinged controller panel for quick
and easy access to the hydraulic components
• Safety assembly with connection for the
diaphragm-type expansion vessel, safety valve
and pressure gauge
• Fill and drain valves
• Wall mounting bracket with mounting material
• Air separator with manual air vent for the
solar thermal system
Technical data
Circulating pump:
Wilo PARA ST15-130/7-50/ iPWM2-12
(power consumption of the pump: 25 W)
Safety valve: 6 bar
Pressure gauge: 0 ... 10 bar
Grundfos Direct Sensor™: VFS 1-12 / VFS 2-40
Non-return valves:
Opening pressure 20 mbar, openable
Connection to diaphragm-type expansion vessel:
¾'' ET, flat sealing
Outlet safety valve: ¾'' IT
Connections to the solar pipes:
¾" IT, at VFS: ¾" ET
Maximum temperature flow / return: 120 °C / 95 °C
Maximum pressure: 6 bar
Medium: Water with max. 50 % glycol
Dimensions:
Approx. 481 × 320 × 190 mm (with insulation)
Distance centres: 100 mm
Distance centre / wall: 67 mm
Material: Fittings: brass
Seals: AFM 34
Insulation: EPP foam
Note:
This pump station can be used with the heat
transfer fluids Tyfocor L, L eco and LS.
Pump characteristic / pressure loss characteristic
9
9
Wilo PARA ST15-130/7-50/ iPWM2-12
max.
Deliv
er
y height (m)
Flow rate (l/min)
Pr
essur
e loss (bar)