Pump Set Fill Pressures; Pth-V Glycol Settings - Grundfos PHT-N130 Installation And Operating Instructions Manual

10.10 Pump Set Fill Pressures.

Pump set
PHT-N230
PHT-D/F/T/V*25
PHT-D/F/T/V*50
PHT-F*80

10.11 PTH-V Glycol settings.

The PHT-V unit is factory set to dose Glycol @ 20 %, Water @ 80%.
This can be adjusted according to the below table.
Maximum Glycol dose is 50 %.
Glycol Concentration
1 %
5 %
10 %
15 %
20 %
25 %
30 %
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Closed Valve Head
(Bar)
4.0
3.80
6.4
10.0
Glycol valve setting
0.05
0.1
0.2
0.3
0.7
1.0
1.3
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GRUNDFOS INSTRUCTIONS
Cold Fill Pressure
(Bar)
3.0
2.5
5.0
8.0
Water valve setting
6.2
6.1
6.0
5.9
5.7
3.1
2.8