Performance Diagrams; Ekhwd / Ekhwc; Ekhwp - Daikin EKHWP300B Installation And Operating Instructions Manual

9.2

Performance diagrams

9.2.1 EKHWD / EKHWC

30
25
20
15
10
5
0 200 400
S#Q EKHWC500B
S#H EKHWCH500B
S#I EKHWCB500B
S#J EKHWCH300B
S#K EKHWCH500PB
S#L EKHWCB500PB
S#M EKHWCH300PB
Hot water volume with reheating at a rating of 20 kW
(T = 10 °C,T = 40 °C,T = 60 °C)
KW WW SP
Fig. 9-1 Hot water output with respect to draw-off rate
Draw-off rates >36 l/min can, in certain rare circum-
stances, lead to noises in the domestic water heat
exchanger of the hot water storage tank.
a Drinking water heat exchanger
(EKHWDH500B, EKHWDB500B, EKHWC500B, EKHWCH500B,
EKHWCH500PB, EKHWCB500B, EKHWCB500PB)
b Drinking water heat exchanger
(EKHWCH300B, EKHWCH300PB)
c Storage tank charging heat exchanger 1 or 2
(EKHWDH500B, EKHWDB500B, EKHWCH500B,
EKHWCH500PB, EKHWCB500B, EKHWCB500PB)
d Storage tank charging heat exchanger 1
(EKHWCH300B, EKHWCH300PB)
e Heating support heat exchanger
(EKHWCH500B, EKHWCH500PB, EKHWCB500B,
EKHWCB500PB)
p/mbar
Pressure drop in millibar
m/ L/h Flow rate in litres per hour
m/ L/h Flow rate in litres per minute
Fig. 9-2 Pressure drop characteristic for the heat exchanger
Daikin EKHWP/EKHWC/EKHWD
Daikin High-efficiency hot water storage tank
008.1618744 – 03/2017
S#H; S#K
S#I; S#L
S#J; S#M
S#P; S#O
600 800 1000 1200
V / L
Z,max
S#O EKHWDH500B
S#P EKHWDB500B
Z/ L/min
Draw-off rate in litres per
minute
V /L
Zmax
Maximum draw-off rate in
litres
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9.2.2 EKHWP

S#B EKHWP500B
S#D EKHWP300B
S#F EKHWP500PB
S#G EKHWP300PB


Hot water volume without re-heating (T
Fig. 9-3 Hot water output with respect to draw-off rate
Draw-off rates >36 l/min can, in certain rare circum-
stances, lead to noises in the domestic water heat
exchanger of the hot water storage tank.
a Drinking water heat exchanger
(EKHWP500B, EKHWP500PB)
b Drinking water heat exchanger
(EKHWP300B, EKHWP300PB)
c Storage tank charging heat exchanger 1
(EKHWP500B, EKHWP500PB)
d Storage tank charging heat exchanger 1
(EKHWP300B, EKHWP300PB)
f Heating support heat exchanger
(EKHWP500B, EKHWP500PB)
p/mbar
Pressure drop in millibar
m/ L/h Flow rate in litres per hour
m/ L/h Flow rate in litres per minute
Fig. 9-4 Pressure drop characteristic for the heat exchanger
9 x Technical data
Z/ L/min
Draw-off rate in litres per
minute
V /L
Zmax
Maximum draw-off rate in
litres
= 10 °C, T = 40 °C, T = 60 °C).
KW WW SP
f
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Installation and operating instructions
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