Daikin EHFZ03S18DJ3V, Руководство по установке для специалистов

Страница: 147 / 212

10 | Configuration
Installer reference guide
147
ERLA EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596821-1B – 2021.10
Boiler efficiency
Depending on the used boiler, this should be chosen as follows:
# Code Description
N/A [7‑05] Boiler efficiency
▪ 0: Very high
▪ 1: High
▪ 2: Medium
▪ 3: Low
▪ 4: Very low
You can set the following values based on the outdoor temperature:
# Code Description
N/A [C-03] Bivalent activation temperature: defines the
outdoor temperature below which the
permission signal for the auxiliary boiler is active
(X1 and X2 on EKRP1HBAA is closed) and space
heating by indoor unit is stopped.
–25°C~25°C
N/A [C-04] Bivalent hysteresis temperature: defines the
temperature difference between the ON
temperature and the OFF temperature.
2°C~10°C
Permission signal X1–X2
T
A
[C-03]
[C-04]
a
b
T
A
Outdoor temperature
[C-03] Bivalent ON temperature (fixed)
a Auxiliary boiler active
b Auxiliary boiler inactive
Backup heater only ambient temperature
The outdoor unit heat pump can operate until an ambient temperature of –7°C by
default. Depending on the installation area of the outdoor unit, you may want to
lower the ambient temperature setting to –15°C. In this case, the backup heater
will take over operation from the outdoor unit. See
"7.1.2 Additional installation
site requirements of the outdoor unit in cold climates" [
4
51] for more information.
Under certain conditions, the installation of EKBPHT03D may be required.
# Code Description
A.5.1.5 [8-0E]
BUH only ambient temp.
Range: –15°C~7°C
10.4.4 System settings
Priorities
For systems with an integrated domestic hot water tank