8 Configuration
Installer reference guide
60
EPGA11~ EA9W
Daikin Altherma – Low temperature split
4P556075-1 – 2019.02
Drain prevention
Only applicable when the bivalent function ([C‑02]) is activated. This
function prevents the opening of the freeze protection valves in the
water piping to the outdoor unit when the auxiliary boiler is running at
negative outdoor temperatures.
Power saving function
Power saving function
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
enabled on the user interface.
#
Code
Description
[9.F]
[E‑08]
Power saving function for outdoor unit:
▪ 0: No
▪ 1: Yes
Benefit kWh power supply
INFORMATION
The preferential kWh rate power supply contact is
connected to the same terminals (X5M/9+10) as the safety
thermostat for the additional zone. It is only possible for the
system to have EITHER preferential kWh rate power
supply OR a safety thermostat for the additional zone.
#
Code
Description
[9.8.1]
[D-01]
Connection to a Benefit kWh power
supply or a Safety thermostat
▪ 0 No: The outdoor unit is connected to
a normal power supply.
▪ 1 Open: 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 Closed: 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
open and the unit will restart
operation. Therefore, always enable
the auto restart function.
▪ 3
Safety
thermostat:
A
safety
thermostat is connected to the system
(normal closed contact)
#
Code
Description
[9.8.2]
[D-00]
Allow heater: Which heaters are allowed
to operate during preferential kWh rate
power supply?
▪ 0 No: None
▪ 1 Only BSH: Booster heater only
▪ 2 Only BUH: Backup heater only
▪ 3 All: All heaters
See table below.
Setting 2 is 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
X2M/5‑6) and the backup heater is NOT
connected to the preferential kWh rate
power supply.
[9.8.3]
[D-05]
Allow pump:
▪ 0 No: Pump is forced off
▪ 1 Yes: No limitation
Do NOT use 1 or 3.
[D‑00]
Backup heater
Compressor
0
Forced OFF
Forced OFF
2
Allowed
Power consumption control
Power consumption control
See
"5 Application guidelines" on page 10
for detailed information
about this functionality.
#
Code
Description
[9.9.1]
[4-08]
Power consumption control:
▪ 0 No: 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.
▪ 2 Inputs: Enabled: You can set up to
four different power limitation values
(in A or kW) to which the system
power consumption will be limited
when the corresponding digital input
asks.
[9.9.2]
[4-09]
Type:
▪ 0 Amp: The limitation values are set
in A.
▪ 1 kW: The limitation values are set in
kW.
Limit when [9.9.1]=Continuous and [9.9.2]=Amp:
#
Code
Description
[9.9.3]
[5-05]
Limit: Only applicable in case of full
time current limitation mode.
0 A~50 A
Limits when [9.9.1]=Inputs and [9.9.2]=Amp:
#
Code
Description
[9.9.4]
[5-05]
Limit 1: 0 A~50 A
[9.9.5]
[5-06]
Limit 2: 0 A~50 A
[9.9.6]
[5-07]
Limit 3: 0 A~50 A
