The system can be vented and drained via connector (3).
1
1
2
2
3
3
B)
A)
Fig. 12: 3-way valve: A) "Flush" position; B) "Active" position
1
From Bello Zon
®
system
2
To external pre-storage module
3
To collecting vessel
1
2
4
3
P_PMA_BEZ_0119_SW
Fig. 13: Installing 3-way valve tubes
1
Nozzle of the screw-in piece
2
Clamp ring
3
Union nut
4
Hose
1.
Shorten the tubes so that subsequently they are tension-free.
2.
Pull the union nut and clamp ring over the tube - see figure.
3.
Push the tube end over the nozzle up to the stop.
4.
Tighten the union nut until hand-tight.
Installation
27