12 – Appendix UK
3.2.4
Unvented package installation, DHP-AQ Maxi
DHP-AQ Maxi
126
80
128
96
80
91
80
129
Unvented manifold assembly
(see figure 1)
96
10 11
13
12
12
100
113
5
71
110
132
85
Figure 6.
The principal installation solution of the unvented package on DHP-AQ Maxi
Position Name
5
Heat pump unit
10
Supply line heating system
11
Return line heating system
12
Cold water
13
Hot water
71
Flow guard
80
Shut-off valve
85
Venting valve
91
Strainer
96
Flexible hose
100
Safety relief valve
110
Expansion vessel
113
Expansion heating system
126
Factory fitted combined Temperature and pressure relief valve*
128
Double check valve with Shut-off valve
129
Unvented manifold assembly: Pressure reducing valve, Safety relief valve, Non-return valve
132
Flexible hose Unvented package
*
) The water heater tank in DHP-Q Maxi models is factory fitted with a Temperature and pressure relief valve .
The connection from this valve must not be used for other purposes other than discharge pipe connection .
Please see chapter 5 .3 Discharge pipe arrangement .
DD
E D
Note! No valve should be fitted between the safety relief valve and the storage cylinder .
Summary of Contents for DHP-A
Page 15: ...Appendix UK 15...
