Danfoss DHP-A, Installation Instructions Manual

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10 – Appendix UK
3.2.2 Unvented package installation, DHP-L models, DWH 200, DWH 300
DHP-L
126
110
80
128
96
80
104
80
129
132
Unvented manifold assembly
(see figure 1)
DWH 200
DWH 300
96
10 11
13 12
12
86
91
113
Figure 4. The principal installation solution of the unvented package on DHP-L models together 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
Note! No valve should be fitted between the safety relief valve and the storage cylinder .