Download Manual - Pfannenberg

PWS Series Air/Water Heat Exchangers
The characteristics of any additives or system water ought not to deviate greatly from the hydrological
data given below.
Hydrological Data
pH value
Carboxylic Acid
Free carbonic acid
Associated carbonic acid
Corrosive carbonic acid
Sulphides
Oxygen
Chloride ions
Sulphate ions
Nitrates and nitrites
CSB
Ammonia
Iron
Manganese
Conductivity
Evaporation residue
Potassium permanganate
consumption
Suspended matter
9
Model: Standard
Device Model: VA
mg/dm3
mg/dm3
mg/dm3
mg/dm3
mg/dm3
mg/dm3
mg/dm3
mg/dm3
mS/cm
mg/dm3
7 - 8.5
>3 <8
8 - 15
8 - 15
0
not present
< 10
< 50
< 250
< 10
<7
<5
< 0.2
< 0.2
< 2200
< 500
6-9
1 - 12
1 - 100
not present
0 - 400
not present
< 10
< 200
< 500
< 100
< 40
< 20
not present
not present
< 4000
< 2000
mg/dm3
< 25
< 40
mg/dm3
<3>3
< 15 split-stream cleansing
recommended > 15 constant
cleaning recommended
°dH
mg/dm3
mg/dm3
mg/dm3