8 Configuration
Installer reference guide
63
ERLQ004~008CAV3 + EHBH/X04+08CA
Daikin Altherma - Low Temperature Split
4P313774-1C – 2012.11
Preferential kWh rate power supply
# Code Description
A.2.6.1 [d‑01] Connection to a preferential kWh rate
power supply:
▪ 0 (default): The outdoor unit is
connected to a normal power supply.
▪ 1: The outdoor unit is connected to a
preferential kWh rate power supply.
When the preferential kWh rate signal
is sent by the electricity company, the
contact will open and the unit will go in
forced off mode. When the signal is
released again, the voltage-free
contact will close and the unit will
restart operation. Therefore, always
enable the auto restart function.
▪ 2: The outdoor unit is connected to a
preferential kWh rate power supply.
When the preferential kWh rate signal
is sent by the electricity company, the
contact will close and the unit will go in
forced off mode. When the signal is
released again, the voltage-free
contact will close and the unit will
restart operation. Therefore, always
enable the auto restart function.
[A.6.2.1] [d-00] Which heaters are allowed to operate
during preferential kWh rate power
supply?
▪ 0 (default): None
▪ 1: Booster heater only
▪ 2: Backup heater only
▪ 3: All heaters
Only for EHBH/X + EKHW*: See table
below.
Only for EHVH/X: See table below.
Settings 1, 2 and 3 are only meaningful if
the preferential kWh rate power supply is
of type 1 or indoor unit is connected to a
normal kWh rate power supply (via
30-31 X2M) and the backup heater and
booster heater are NOT connected to
the preferential kWh rate power supply.
Only for EHBH/X + EKHW*:
[d-00] Booster heater Backup heater Compressor
0 (default) Forced OFF Forced OFF Forced OFF
1 Permitted
2 Forced OFF Permitted
3 Permitted
Only for EHVH/X: Do NOT use 1 or 3.
[d-00] Backup heater Compressor
0 (default) Forced OFF Forced OFF
2 Allowed
Power saving function
INFORMATION
Only applicable for ERLQ004~008CAV3.
Defines whether the outdoor unit power supply can be interrupted
(internally by indoor unit control) during stand-still conditions (no
space heating/cooling nor domestic hot water demand). The final
decision to allow power interruption of the outdoor unit during
standstill depends on the ambient temperature, compressor
conditions and minimum internal timers.
To enable the power saving function setting, [E-08] needs to be
enable at the user interface in combination with the removal of the
power saving connector at the outdoor unit.
NOTICE
The power saving connector at the outdoor unit shall only
be removed when the main power supply to the application
is switched OFF.
In case of ERLQ004~008CAV3
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