LG THERMA V AHNW16606B0, Руководство по установке, Страница: 30 / 65

Installation of Indoor Unit
30 Air-to-Water Heat Pump
Charging of the heating system
Ensure that the venting of the system is strong to avoid malfunctions while operating.
An expansion vessel of suitable dimensions must be fitted to the heating system. The expansion
vessel must be regulated in accordance with standard EN 12828.
For normal operation of the expansion vessel, the vessel's working pressure should be
appropriately adjusted. The settings have to be checked once in every 12 months.
Consider the maximal operational pressure of the expansion vessel and filling the heating system.
A - Filling the system.
B - Expansion vessel.
C - Ball valve with exhaust.
D - Air filling valve.
H - Height of the heating system (from expansion vessel to the highest heating body in the building).
P
sv
- Pressure of the safety valve.
If the pressure in the expansion system is p0, it results in malfunctioning of the heating system.
The dimensioning of the expansion vessel must comply with the standard EN 12828 regulations.