Emergency
EPGA11~16DAV3(7) + EAVH/X16S18+23DA6V(7)+9W(7)
Daikin Altherma 3 H F
4P556070-1A – 2021.09
INFORMATION
If [4‑0A]=3 and emergency mode is active, the power usage of the backup heater is
maximal and equal to 2×[6‑03]+[6‑04].
INFORMATION
Only for systems with integrated domestic hot water tank: If the storage
temperature setpoint is higher than 50°C, Daikin recommends NOT to disable the
backup heater second step because it will have a big impact on the required time for
the unit to heat up the domestic hot water tank.
Capacity step 1
#
Code
[9.3.4]
[6‑03]
Additional capacity step 2
#
Code
[9.3.5]
[6‑04]
Operation
#
Code
[9.3.8]
[4‑00]
INFORMATION
Only for systems with integrated domestic hot water tank: If backup heater
operation during space heating needs to be limited but can be allowed for domestic
hot water operation, then set [4‑00] to 2.
Emergency
When the heat pump fails to operate, the backup 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 domestic hot water production and
space heating.
Description
▪
The capacity of the first step of the backup
heater at nominal voltage.
Description
▪
The capacity difference between the second
and first step of the backup heater at nominal
voltage. Nominal value depends on backup
heater configuration.
Description
Backup heater operation:
▪
0: Restricted
▪
1: Allowed
▪
2: Only
DHW: Backup heater operation is
enabled for domestic hot water and disabled
for space heating.
10
Configuration
|
Installer reference guide
153