Danfoss VACON NX Commissioning And Maintenance Manual page 59

TECHNICAL SPECIFICATION
APPENDIX 2
Pressure drops on customer circuit. HX_120 equipped with 2057DT 3-way valve
100% FLOW = 360 l/min
Plate heat
exchanger
route Flow
100% 360 l/min
75% 270 l/min
50% 180 l/min
25% 90 l/min
0% 0
=> Pressure drop varies between 0.16 bar – 0.82 bar
75% FLOW = 270 l/min
Plate heat
exchanger
route Flow
75% 270 l/min
50% 180 l/min
25% 90 l/min
0% 0
=> Pressure drop varies between 0.11 bar – 0.47 bar
50% FLOW = 180 l/min
Plate heat
exchanger
route Flow
50% 180 l/min
25% 90 l/min
0% 0
=> Pressure drop varies between 0.04 bar – 0.20 bar
Local contacts: http:/ / dr ives.danfoss.com/ danfoss- dr ives/ local - contacts/
Bypass route Flow
0% 0
25% 90 l/min
50% 180 l/min
75% 270 l/min
100% 360 l/min
Bypass route Flow
0% 0
25% 90 l/min
50% 180 l/min
75% 270 l/min
Bypass route Flow
0% 0
25% 90 l/min
50% 180 l/min
Pressure drop Pressure
plate heat drop 3-way
exchanger valve
0.5 bar 0.16 bar
0.25 bar 0.16 bar
0.116 bar 0.16 bar
0.03 bar 0.16 bar
- 0.16 bar
Pressure drop Pressure
plate heat drop 3-way
exchanger valve
0.25 bar 0.11 bar
0.116 bar 0.11 bar
0.03 bar 0.11 bar
- 0.11 bar
Pressure drop Pressure
plate heat drop 3-way
exchanger valve
0.116 bar 0.04 bar
0.03 bar 0.04 bar
- 0.04 bar
VACON 5 9
Total pressure drop
0.66 bar
0.41 bar
0.28 bar
0.19 bar
0.16 bar
Total pressure drop
0.36 bar
0.23 bar
0.16 bar
0.11 bar
Total pressure drop
0.16 bar
0.07 bar
0.04 bar