5
HYDRAULIC INSTALLATION
22
Figure 5�2 – Diagram of hydraulic system (type with single appliance)
Example of hydraulic plant diagram for connection of no. 1 AY00-120 unit.
LEGEND
1
anti-vibration coupling
2
pressure gauge
3
flow regulator valve
4
water filter
5
check valve
6
system water circulator
7
system expansion tank
8
DDC
9
AY00-120 stand-alone