Daikin EPRA18DAW1 Installer's Reference Manual page 169

EPRA14~18DAV3+W1 + ETVZ16S18+23DA6V+9W
Daikin Altherma 3 H HT F
4P587503-1A – 2020.01
Capacity step 1
# Code
[9.3.4] [6‑03]
Additional capacity step 2
# Code
[9.3.5] [6‑04]
Equilibrium
# Code
[9.3.6] [5-00]
[9.3.7] [5-01]
INFORMATION
Above 10°C ambient temperature, the heat pump will operate until 55°C. Configuring
a higher setpoint with an ambient temperature that is higher than the set
equilibrium temperature will prevent the backup heater from assisting. The backup
heater will ONLY assist if you increase the equilibrium temperature [5‑01] to the
required ambient temperature you need to reach the higher setpoint.
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.
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
Equilibrium: Is backup heater operation
allowed above equilibrium temperature during
space heating operation?
▪ 1: NOT allowed
▪ 0: Allowed
Equilibrium temperature: Outdoor
temperature below which operation of the
backup heater is allowed.
Range: –15°C~35°C
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.
9 Configuration
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Installer reference guide
169