Carrier AquaSnap 61WG Series - Page 50

50
To reduce the hydraulic system pressure drops, it is necessary:
- to reduce the individual pressure drops as much as possible (bends, level changes, accessories, etc.)
- to use a correctly sized piping diameter.
- to avoid hydraulic system extensions, wherever possible.
Example: Unit with a given nominal ow rate of 4.8 l/s
Pressure drop, kPa
Water ow rate, l/s
1
2
3
4
0
25
50
75
100
125
150
175
200
2
4
6810
Legend
1 Unit pump curve
2 Plate heat exchanger pressure drop (to be measured with the pressure gauge installed at the water inlet and outlet)
3 Installation pressure drop with control valve wide open
4 Installation pressure drop after valve control to obtain the specied ow rate
10 - NOMINAL WATER FLOW CONTROL WITH FIXED-SPEED PUMP