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10
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Configuration
Installer reference guide
186
EPRA14~18D + ETV23E
Daikin Altherma 3 H HT F
4P644738-1A – 2022.03
In heating operation, the desired leaving water temperature is locally increased
around an outdoor temperature of 0°C.This compensation can be selected when
using an absolute or a weather dependent desired temperature (see illustration
below).
T
t
T
A
R
L
0°C
T
t
T
A
R
L
0°C
a
b
a
Absolute desired LWT
b
Weather dependent desired LWT
#
Code
Description
[4.A]
[D-03]
Increase around 0°C
:
▪
0:
No
▪
1:
increase 2°C, span 4°C
▪
2:
increase 4°C, span 4°C
▪
3:
increase 2°C, span 8°C
▪
4:
increase 4°C, span 8°C
Overshoot
Restriction:
This function is only applicable in heating mode.
This function defines how much the water temperature may rise above the desired
leaving water temperature before the compressor stops. The compressor will start
up again when the leaving water temperature drops below the desired leaving
water temperature.
#
Code
Description
[4.B]
[9-04]
Overshoot
:
▪
1°C~4°C
Undershoot
Restriction:
This function is only applicable in cooling mode during compressor
startup. It is NOT applicable for stable operation.
This function defines how much the water temperature may drop below the
desired leaving water temperature before the compressor stops. The compressor
will start up again when the leaving water temperature rises above the desired
leaving water temperature.
#
Code
Description
N/A
[9-09]
Undershoot:
▪
1°C~18°C
Antifrost
Antifrost
[1.4] or [4.C] prevents the room from getting too cold. For more
information about room frost protection, see
158].
10.5.6 Tank
Overview
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