Installation of heat pump and domestic hot water tank
21.11.2015
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Z20469
Copyright
2013 by: WATERKOTTE GmbH. Subject to changes.
Water specific values Unit
Plate heat exchang-
er,copper-solded(standard)
Plate heat exchanger,
nickel-solded(optional)
pH-value
7 - 9 (under observation SI
Index)
6 - 10
Repletion-Index SI (delta pH-value)
-0,2 < 0 < +0,2
No definition
Total hardness
°dH
6 - 15
6 - 15
Conductivity
µS/cm
10...500
No definition
Filterable solid
mg/l
<30
<30
Chloride
mg/l
See chart next page, over 100°C no admit of chlorid
Free chlor
mg/l
<0,5
<0,5
Hydrogen suphide(H2S)
mg/l
<0,05
No definition
Ammoniak (NH3/NH4+ )
mg/l
<2
No definition
Sulfat
mg/l
<100
<300
Hydrogen carbonat
mg/l
<300
No definition
Hydrogen carbonat / sulfat
mg/l
>1,0
No definition
Sulfid
mg/l
<1
<5
Nitrat
mg/l
<100
No definition
Nitrit
mg/l
<0,1
No definition
Iron, dissolved
mg/l
<0,2
No definition
Mangan
mg/l
<0,1
No definition
Free aggressive carbonit acid
mg/l
<20
No definition
Tabel 1:
Corrosion resistance of brazed plate heat exchangers to water ingredients
The values above are reference values which can vary under certain operating
conditions. If you have any questions, please call us at: Tel. :(+49) (0) 2323 93760
.
Illustration 20: All dimensions in mm, EcoTouch DS 5018 Ai (rear side)
No use
Use without problems
