3 Product description
2017/07
99640141x-mub-en - V02
7
3
Product description
Primary circuit
Connections
1
Primary side/heating side:
Return to the buffer tank
2
Primary side/heating side:
Flow from the buffer tank
3
Secondary side/DHW side:
Hot water supply, circulation
4
Secondary side/DHW side:
Cold water supply
5
Secondary side/DHW side:
Hot water outlet
Equipment primary circuit
A
Heat exchanger
B
Temperature sensor Pt1000
C Ball valve
D Ball valve with check valve
E
Primary pump
F
Manual vent valve
Equipment secondary circuit
G Piston valve with drain valve (cold water inlet)
H Piston valve with drain valve (hot water outlet)
I
Analogue flow rate sensor, VFS 2-40 l/min
J
Temperature sensor Pt1000
K
Pressure relief valve 10 bars
Only for the protection of the station.
Does not replace the pressure relief valve
that has to be mounted on site!
L
Circulation pump
M Piston valve with drain valve (circulation)
Secondary circuit
Example: FriwaMini with circulation
