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Configuration
Installer reference guide
210
ERGA04~08EA + EHBH/X04+08EF
Daikin Altherma 3 R W
4P629085-1B – 2021.11
Equilibrium
#
Code
Description
[9.3.6]
[5-00]
Equilibrium
: Deactivate backup heater (or
external backup heat source in case of a bivalent
system) above the equilibrium temperature for
space heating?
▪
0:
No
▪
1:
Yes
[9.3.7]
[5-01]
Equilibrium temperature
: Outdoor
temperature below which operation of the
backup heater (or external backup heat source in
case of a bivalent system) is allowed.
Range: –15°C~35°C
Operation
#
Code
Description
[9.3.8]
[4‑00]
Backup heater operation:
▪
0:
Restricted
▪
1:
Allowed
▪
2:
Only DHW
: Backup heater operation is
enabled for domestic hot water and disabled
for space heating.
INFORMATION
When heating of the DHW by the heat pump is too slow, it may affect a comfortable
operation of the space heating/cooling circuit. If so, allow the backup heater to assist
during DHW operation by setting [4-00]=1 or 2.
Emergency
Emergency
When the heat pump fails to operate, the backup heater and/or booster heater
can serve as an emergency heater. It then takes over the heat load either
automatically or by manual interaction.
▪
When
Emergency
is set to
Automatic
and a heat pump failure occurs, the
backup heater automatically takes over the heat load, and the booster heater in
the optional tank takes over the domestic hot water production.
▪
When
Emergency
is set to
Manual
and a heat pump failure occurs, the
domestic hot water heating and space heating stops.
To manually recover it via the user interface, go to the
Malfunctioning
main
menu screen and confirm whether the backup heater and/or booster heater can
take over the heat load or not.
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