3 Mode of operation – Functional description
20
3.2 Functional description
O
VERVIEW
OF
HEATING
SYSTEM
The HDG Compact 25 - 80 heating system may contain the following
components:
1 Delivery system
2 Feeding system
3 HDG Compact 25 - 80 boiler with HDG Control
Figure 3/5 - Overview
1
2
3