Daikin INTERGAS Altherma NHY2KOMB28AA Installer's Reference Manual page 68

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10 Configuration
NOTICE
▪ If you install the bottom plate heater, you may lower the
operation range of the heat pump to Ta≥–14°C using
field setting [8-0E]=–14°C.
▪ If you do not install the bottom plate heater, keep
[8-0E]=–5°C.
For more information about the bottom plate heater, see
"5.2.2 Bottom plate heater" on
page 12.
System settings
Auto-restart
When power returns after a power supply failure, the auto restart
function reapplies the remote controller settings at the time of the
power failure. Therefore, it is recommended to always enable the
function.
#
Code
[A.6.1]
[3‑00]
Is the auto restart function of the unit
allowed?
▪ 0: No
▪ 1: Yes
Power consumption control
Pwr consumpt. control
#
Code
[A.6.3.1]
[4-08]
Mode:
▪ 0 (No limitation): Disabled.
▪ 1 (Continuous): Enabled: You can
set one power limitation value (in A
or kW) to which the system power
consumption will be limited for all the
time.
[A.6.3.2]
[4-09]
Type:
▪ 0 (Current): The limitation values
are set in A.
▪ 1 (Power): The limitation values are
set in kW.
[A.6.3.3]
[5-05]
Value: Only applicable in case of full
time power limitation mode.
0 A~50 A, step: 1 A
[A.6.3.4]
[5-09]
Value: Only applicable in case of full
time power limitation mode.
0 kW~20 kW, step: 0.5 kW
Average timer
The average timer corrects the influence of ambient temperature
variations. The weather-dependent set point calculation is done on
the average outdoor temperature.
The outdoor temperature is averaged over the selected time period.
#
Code
[A.6.4]
[1-0A]
Outdoor average timer:
▪ 0: No averaging
▪ 1: 12 hours
▪ 2: 24 hours
▪ 3: 48 hours
▪ 4: 72 hours
Offset temperature external outdoor ambient sensor
Only applicable in case of an external outdoor ambient sensor is
installed and configured.
Installer reference guide
68
Description
Description
Description
You can calibrate the external outdoor ambient temperature sensor.
It is possible to give an offset to the thermistor value. The setting can
be used to compensate for situations where the external outdoor
ambient sensor cannot be installed on the ideal installation location
(see installation).
#
Code
[A.6.5]
[2‑0B]
–5°C~5°C, step: 0.5°C
Forced defrost
You can manually start a defrost operation.
The decision to execute the manual defrost operation is made by the
outdoor unit and depends on ambient and heat exchanger
conditions. When the outdoor unit accepted the forced defrost
operation,
will be displayed on the user interface. If
displayed within 6  minutes after forced defrost operation was
enabled, the outdoor unit ignored the forced defrost request.
#
Code
[A.6.6]
N/A
Do you want to start a defrost operation?
Disable protections
The software is equipped with an "installer-on-site" mode ([A.6.D]:
Disable protections) that disables automatic operation by the
unit.
#
Code
[A.6.D]
N/A
▪ ON: Automatic operation is disabled.
All protective functions are disabled. If
the user interface home pages are off,
the
automatically. To enable automatic
operation and the protective functions,
set Disable protections=OFF.
▪ OFF: 12 hours after the first power-on,
the unit will automatically set Disable
protections=OFF, ending "installer-on-
site" mode and enabling the protective
functions. If the installer returns to the
site, the installer has to set Disable
protections=ON manually.
Pump operation
When the pump operation function is disabled the pump will stop if
the outdoor temperature is higher than the value set by [4‑02] or if
the outdoor temperature drops below the value set by [F‑01]. When
the pump operation is enabled, the pump operation is possible at all
outdoor temperatures.
#
Code
N/A
[F‑00]
Pump operation:
▪ 0: Disabled if outdoor temperature is
higher than [4‑02] or lower than [F‑01]
depending on heating operation mode.
▪ 1:
temperatures.
Pump speed limitation
Pump speed limitation [9‑0D] defines the maximum pump speed. In
normal conditions, the default setting should NOT be modified. The
pump speed limitation will also be overruled when delta  T is
abnormal.
Description
is NOT
Description
Description
unit
will
NOT
operate
Description
Possible
at
all
outdoor
EJHA04AAV3 + NHY2KOMB28+32AA
Daikin Altherma H Hybrid
4P556861-1A – 2019.05

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