Esp Curve: Outdoor Unit - Daikin EWYA004D2V3P Installer's Reference Manual

17.3 ESP curve: Outdoor unit

EWAA004~008D + EWYA004~008D
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P688013-1B – 2022.09
Note: A flow error will occur when the minimum water flow rate is not reached.
A (kPa)
80
70
60
50
40
30
C D E
20
10
0
0 5 10
A External static pressure
B Water flow rate
C Minimum flow during normal operation
D Minimum flow during Cooling operation
E Minimum flow during Defrost and Backup heater operation
Notes:
▪ Selecting a flow outside the operating area can damage the unit or cause the unit
to malfunction. See also the minimum and maximum allowed water flow range in
the technical specification.
▪ Water quality must be according to EU directive 2020/2184.
15 20 25 30
17 Technical data
|
35 40
B (l/min)
4D139364
Installer reference guide
221