Esp Curve: Indoor Unit - Daikin Altherma 3 H HT W EPRA14DAV3 Installer's Reference Manual

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Technical data

16.6 ESP curve: Indoor unit

Installer reference guide
270
Note: A flow error will occur when the minimum water flow rate is not reached.
A (kPa)
130
120
110
100
90
80
70
60
50
40
30
20
10
0
0
5
10
15
D
E
A External static pressure in the space heating/cooling circuit
B Water flow rate through the unit in the space heating/cooling circuit
C Operation range
D Minimum flow during normal operation
E Minimum flow during backup heater operation
F Minimum flow during defrost heater operation
Dashed lines: Operation area is extended to lower flow rates only in case the unit
operates with heat pump only. (Not in startup, no backup heater operation, no
defrost 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 specifications.
Water quality must be according to EU directive 98/83 EC.
C
20
25
30
35
40
45
F
50
55
60
65
B (l/min)
4D124954
EPRA14~18DAV3+W1 + ETBH/X16EF6V+9W
Daikin Altherma 3 H HT W
4P644736-1 – 2021.02

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