16
|
Technical data
Installer reference guide
267
EPRA14~18D + ET23E
Daikin Altherma 3 H HT F
4P644739-1A – 2022.03
16.6 ESP curve: Indoor unit
Note:
A flow error will occur when the minimum water flow rate is not reached.
Main zone (mixed zone)
4D124956
(main)
B (l/min)
0
40
60
80
100
30
50
70
90
110
20
0
5
10
15
20
25
30
35
40
45
50
55
60
65
10
C
D
A (kPa)
E
F1
F2
Additional zone (direct zone)
4D124956
(add)
B (l/min)
0
40
60
80
100
30
50
70
90
110
20
0
5
10
15
20
25
30
35
40
45
50
55
60
65
10
C
D
A (kPa)
E
F1
F2
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 water flow during normal operation
E
Minimum water flow during backup heater operation
F1
Minimum water flow during defrost operation (for E models)
F2
Minimum water flow during defrost operation (for E7 models)
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.
Summary of Contents for ETVZ16E6V7
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