10
|
Configuration
Installer reference guide
144
ERLA EHFZ03S18DJ3V
Daikin Altherma 3 R F
4P596821-1B – 2021.10
00.00
22.00
24.00
01.00
23.00
t
T
DHW
T
H
T
U
[2-02]
[2-03]
[2-04]
T
DHW
Domestic hot water temperature
T
U
User setpoint temperature
T
H
High setpoint temperature [2–03]
t
Time
WARNING
Be aware that the domestic hot water temperature at the hot water tap will be equal
to the value selected in field setting [2-03] after a disinfection operation.
When the high domestic hot water temperature can be a potential risk for human
injuries, a mixing valve (field supply) shall be installed at the hot water outlet
connection of the domestic hot water tank. This mixing valve shall secure that the
hot water temperature at the hot water tap never rise above a set maximum value.
This maximum allowable hot water temperature shall be selected according to the
applicable legislation.
CAUTION
Make sure that the disinfection function start time [A.4.4.3] with defined duration
[A.4.4.5] is NOT interrupted by possible domestic hot water demand.
NOTICE
Disinfection mode
. Even if you turn OFF domestic hot water operation via the
DHW tank temperature home page (
Tank
), disinfection mode will remain active.
INFORMATION
Disinfection function is restarted in case the domestic hot water temperature drops
5°C below the disinfection target temperature within the duration time.
INFORMATION
An AH error occurs if you do the following during disinfection:
▪
Set the user permission level to Installer.
▪
Go to the DHW tank temperature home page (
Tank
).
▪
Press to interrupt the disinfection.
10.4.3 Heat source settings
Backup heater
Backup heater operation mode: defines when backup heater operation is disabled
or only allowed during domestic hot water operation. This setting is only overruled
when backup heating is required during defrost operation or malfunctioning of the
outdoor unit (when [A.6.C] is enabled).
