16
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Technical data
Installer reference guide
260
EPRA08~W1 + ET9W
Daikin Altherma 3 H MT F
4P634887-1 – 2021.03
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)
0
5
70
60
80
50
40
30
20
10
0
10
15
25
30
35
40
45
A (kPa)
B (l/min)
F
E
D
C
20
Additional zone (direct zone)
F
E
D
0
5
70
60
80
50
40
30
20
10
0
10
15
25
30
35
40
45
A (kPa)
B (l/min)
20
C
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.
▪
Make sure water quality complies with EU directive 2020/2184.
Summary of Contents for Altherma 3 H MT F
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