Performance Diagrams; Ekhwd / Ekhwc; Ekhwp - Daikin Altherma ST EKHWCH300B Installation And Operating Manual

8 Technical data
8.3

Performance diagrams

8.3.1

EKHWD / EKHWC

Maximal available hot water volume at 40°C is shown as a function
of the draw-off rate in "
[ 4 30] for 10°C cold water entry temperature and 60°C
reheating"
storage tank temperature at draw-off start and reheating with 20 kW.
8‒2 Hot water performance with reheating
S#Q EKHWC500Bx
S#H EKHWCH500Bx
S#I EKHWCB500Bx
S#J EKHWCH300Bx
S#K EKHWCH500PBx
S#L EKHWCB500PBx
S#M EKHWCH300PBx
S#O EKHWDH500Bx
S#P EKHWDB500Bx
Z/ L/min Draw-off rate in litres per minute
V /L Maximum draw-off capacity in litres
Zmax
INFORMATION
Draw-off rates >36 l/min can, in certain rare circumstances,
lead to noises in the domestic water heat exchanger of the
hot water storage tank.
8‒3 Pressure drop characteristic for the heat exchanger
a Drinking water heat exchanger (EKHWDH500Bx,
EKHWDB500Bx, EKHWC500Bx, EKHWCH500Bx,
EKHWCH500PBx, EKHWCB500Bx, EKHWCB500PBx)
b Drinking water heat exchanger (EKHWCH300Bx,
EKHWCH300PBx)
c Storage tank charging heat exchanger 1 or 2
(EKHWDH500Bx, EKHWDB500Bx, EKHWCH500Bx,
EKHWCH500PBx, EKHWCB500Bx, EKHWCB500PBx)
d Storage tank charging heat exchanger 1
(EKHWCH300Bx, EKHWCH300PBx)
e Heating support heat exchanger (EKHWCH500Bx,
EKHWCH500PBx, EKHWCB500Bx, EKHWCB500PBx)
Δp/mbar Pressure drop in millibar
m/ L/h Flow rate in litres per hour
m/ L/min Flow rate in litres per minute
Installation and operating manual
30
8‒2 Hot water performance with
8.3.2

EKHWP

Maximal available hot water volume at 40°C is shown as a function
of the draw-off rate in " 8‒4 Hot water performance without
[ 4 30] for 10°C cold water entry temperature and 60°C
reheating"
storage tank temperature at draw-off start without reheating.
8‒4 Hot water performance without reheating
S#A EKHWP54419Bx
S#B EKHWP500Bx
S#D EKHWP300Bx
S#F EKHWP500PBx
S#G EKHWP300PBx
Z/ L/min Draw-off rate in litres per minute
V /L Maximum draw-off capacity in litres
Zmax
INFORMATION
Draw-off rates >36 l/min can, in certain rare circumstances,
lead to noises in the domestic water heat exchanger of the
hot water storage tank.
8‒5 Pressure drop characteristic for the heat exchanger
a Drinking water heat exchanger (EKHWP54419Bx,
EKHWP500Bx, EKHWP500PBx)
b Drinking water heat exchanger (EKHWP300Bx,
EKHWP300PBx)
c Storage tank charging heat exchanger 1 (EKHWP500Bx,
EKHWP500PBx)
d Storage tank charging heat exchanger 1 (EKHWP300Bx,
EKHWP300PBx)
e Storage tank charging heat exchanger 1
(EKHWP54419Bx)
f Heating support heat exchanger (EKHWP54419Bx,
EKHWP500Bx, EKHWP500PBx)
Δp/mbar Pressure drop in millibar
m/ L/h Flow rate in litres per hour
m/ L/min Flow rate in litres per minute
Daikin Altherma ST (Hot water storage tank)
EKHW(D/C/P)(300/500)(P)B
008.1633099_00 – 06/2020