Zehnder Rittling ComfoFond-L, Руководство по установке

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EN 22
8.2 Fluid mixture
Desired ethylene glycol percentage
Maximum outdoor temperature [ºC] Percentage [%]
-15 35
-20 40
-25 45
-30 50
8.3 Fluid pump settings
Terrestrial heat
collector
internal diameter
[mm]
Terrestrial heat
collector
length [m]
Fluid pump setting
Comfofond-L 350
Fluid pump setting
Comfofond-L 550
18,0 65 7 (use thicker pipe)
20,4 65-75 5 (use thicker pipe)
20,4 76-90 6 (use thicker pipe)
20,4 91-100 7 (use thicker pipe)
26,2 65-100 4 5
26,2 101-150 5 6
26,2 151-200 6 7
26,2 201-250 7 (use thicker pipe)
29,0 65-100 3 4
29,0 101-175 4 5
29,0 176-250 5 6
29,0 251-300 6 7
29,0 301-400 7 (use thicker pipe)
32,6 65-100 3 4
32,6 101-200 4 5
32,6 201-325 5 6
32,6 326-450 6 7
32,6 451-600 7 (use thicker pipe)
8.4 Air resistance
Higher concentrations of ethylene glycol
can cause flow-related problems on
account of the viscosity of the mixture.
Irreversible damage will be caused to
the machine if concentrations in excess
of 50% are used.