Daikin ERGA08DAV3 Installer's Reference Manual page 59

# Code
[5.4] [6-0C] Reheat setpoint
▪ 30°C~min(50,[6‑0E])°C
Schedule
You can set the tank temperature schedule using the schedule
screen. For more information about this screen, see
screen: Example" on page 48.
Heat up mode
The domestic hot water can be prepared in 3 different ways. They
differ from each other by the way the desired tank temperature is set
and how the unit acts upon it.
# Code
[5.6] [6-0D] Heat up mode
▪ 0:
operation is allowed.
▪ 1: Schedule + reheat: The domestic
hot water tank is heated according to a
schedule and between the scheduled
heat up cycles, reheat operation is
allowed.
▪ 2: Schedule only: The domestic hot
water tank can ONLY be heated
according to a schedule.
See the operation manual for more details.
Disinfection
Applies only to installations with a domestic hot water tank.
The disinfection function disinfects the domestic hot water tank by
periodically heating the domestic hot water to a specific temperature.
CAUTION
The disinfection function settings MUST be configured by
the installer according to the applicable legislation.
# Code
Activation
[5.7.1] [2‑01]
▪ 0: No
▪ 1: Yes
Operation day
[5.7.2] [2‑00]
▪ 0: Every day
▪ 1: Monday
▪ 2: Tuesday
▪ 3: Wednesday
▪ 4: Thursday
▪ 5: Friday
▪ 6: Saturday
▪ 7: Sunday
[5.7.3] [2‑02] Start time
[5.7.4] [2‑03] Tank setpoint
60°C
[5.7.5] [2‑04] Duration
40~60 minutes
ERGA04~08DAV3(A) + EHVZ04+08S18+23DA +
EHVZ04+08S18+23DJ
Daikin Altherma 3 R F
4P495249-1B – 2019.06
Description
"8.3.8 Schedule
Description
Reheat only: Only reheat
Description
T
DHW
[2-03]
T
H
T
U
00.00 01.00 22.00
T Domestic hot water temperature
DHW
T User set point temperature
U
T High set point temperature [2-03]
H
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
Be sure that the disinfection function start time [5.7.3] with
defined duration [5.7.5] is NOT interrupted by possible
domestic hot water demand.
INFORMATION
In case of error code AH and no interruption of the
disinfection function occurred due to domestic hot water
tapping, following actions are recommended:
▪ When the Reheat only or Schedule + reheat mode
is selected, it is recommended to program the start-up
of the disinfection function at least 4 hours later than
the last expected large hot water tapping. This start-up
can be set by installer settings (disinfection function).
▪ When the Schedule
recommended to program an Eco action 3 hours before
the scheduled start-up of the disinfection function to
preheat the tank.
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 turn off domestic hot water
operation during disinfection.
Maximum DHW temperature setpoint
The maximum temperature that users can select for the domestic
hot water. You can use this setting to limit the temperatures at the
hot water taps.
INFORMATION
During disinfection of the domestic hot water tank, the
DHW temperature can exceed this maximum temperature.
8 Configuration
[2-04]
23.00 24.00 t
[2-02]
only mode is selected, it is
Installer reference guide
59