Danfoss DHP-A Installation Instructions Manual page 12

3.2.4 Unvented package installation, DHP-AQ Maxi
5
71
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
N ote! No valve should be fitted between the safety relief valve and the storage cylinder .
12 – Appendix UK
10 11
100
96
91
113
13
85
126
DHP-AQ Maxi
12
80
96
80
128
129
80
Unvented manifold assembly
132
(see figure 1)
110
12