Esp Curve: Indoor Unit - Daikin ETVZ16S18EA6V Installer's Reference Manual

16.6 ESP curve: Indoor unit

EPRA14~18DAV3+W1 + ETVZ16S18+23EA6V+9W
Daikin Altherma 3 H HT F
4P644739-1 – 2021.02
Note: A flow error will occur when the minimum water flow rate is not reached.
Main zone (mixed zone)
A (kPa)
110
100
90
80
70
60
50
40
30
20
10
0
0 5 10 15
D E
Additional zone (direct zone)
A (kPa)
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
C
20 25 30 35 40 45
F
16 Technical data
|
50 55 60 65
B (l/min)
4D124956
(main)
50 55 60 65
B (l/min)
4D124956
(add)
Installer reference guide
257