Danfoss DWH 200 Instalación/Mantenimiento página 8

1.4.5 Unvented package installation, DWH 200, DWH 300
Return line
heating system
Supply line
heating system
Figure 5. The principal installation solution of the unvented package on a DWH.
Position Name
1 Factory fitted combined Temperature and Pressure Relief Valve
2 Expansion Vessel
3 Flexible hose
5 Unvented manifold assembly: Pressure Reducing Valve, Safety Relief Valve,
Non-return Valve
6 Shut-off Valve
7 Double Check Valve with Shut-off Valve
8 Flexible hose
9 Safety Relief Valve
10 Expansion Vessel Heating System
11 Strainer
*
) The water heater tank in DWH is factory fitted with a Temperature and Pressure Relief Valve. The connec-
tion from this valve must not be used for other purposes other than discharge pipe connection. Please see
next page for Discharge Pipe Arrangement.
E
Note! No valve should be fitted between the safety relief valve and the storage cylinder.
8
10
11
DWH 200
Heat pump
DWH 300
HW to
house
9
1
*
VMBNB72J
CW to
6
house
8
6
7
5
6
3
Unvented manifold assembly
(see figure 1)
3
2
CW