Esp Curve: Indoor Unit - Daikin ETSXB16E Installer's Reference Manual

16.6 ESP curve: Indoor unit

EPRA14~18D + ETSH/X(B)16P30+50E
Daikin Altherma 3 H HT ECH₂O
4P679467-1C – 2023.07
Note: A flow error will occur when the minimum water flow rate is not reached.
For E models:
A (kPa)
120
100
80
60
40
20
0
10
0 5
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 cooling operation
G Minimum flow during defrost heater operation
For E7 models:
A (kPa)
120
100
80
60
40
20
0
10
0 5
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 cooling operation
G 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.
▪ Make sure water quality complies with EU directive 2020/2184.
C
15 20 25 30 35
F G
C
15 20 25 30 35
F
G
16 Technical data
|
40 45 50
B (l/min)
40 45 50
B (l/min)
Installer reference guide
291