Danfoss DHP-A Installation Instructions Manual page 11

3.2.3 Unvented package installation, DHP-L Opti Pro models, DWH 200, DWH 300
10 11
91
96
DHP-L Opti Pro
Figure 5. The principal installation solution of the unvented package on DHP-L Opti Pro models with DWH
Position Name
10 Supply line heating system
11 Return line heating system
12 Cold water
13 Hot water
80 Shut-off valve
86 Safety relief valve heating system
91 Strainer
96 Flexible hose
104 Safety relief valve 2,5 bar
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 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
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 .
104
86
113
DWH 200
DWH 300
13 12
80
129
132
126
110
80
96
128
80
12
Unvented manifold assembly
(see figure 1)
Appendix UK – 11