Domestic Water Heating Operation ( W ) - Daikin EKHBRD014AAV1 Operation Manual

Field settings define the parameters for the weather dependent
operation of the unit. Refer to the chapter
for a detailed description how to set one or more field settings.
T
t
Lo_Ti
Hi_Ti
Lo_A
T Target water temperature
t
T Ambient (outdoor) temperature
A
= Shift value
[3-00] Low ambient
temperature.
[3-01] High ambient
temperature.
[3-02] Set point at low ambient temperature (Lo_Ti): the target
outgoing water temperature when the outdoor temperature
equals or drops below the low ambient temperature (Lo_A).
Note that the Lo_Ti value should be higher than Hi_Ti, as for
colder outdoor temperatures (i.e. Lo_A) warmer water is required.
[3-03] Set point at high ambient temperature (Hi_Ti): the target
outgoing water temperature when the outdoor temperature
equals or rises above the high ambient temperature (Hi_A).
Note that the Hi_Ti value should be lower than Lo_Ti, as for
warmer outdoor temperatures (i.e. Hi_A) less warm water
suffices.
NOTE If by mistake the value of [3-03] is set higher than the
value of [3-02], the value of [3-03] will always be used.
Automatic setback function
Setback function provides the possibility to lower the room
temperature. The setback function can for instance be activated
during the night because the temperature demands during night and
day are not the same.
Remark that the b icon will be flashing during
NOTE
setback operation.
By default the setback function is enabled.
The setback function can be combined with the
automatic weather dependent set point operation.
Setback function is an automatic daily scheduled
function.
EKHBRD011~016AAV1+Y1
Indoor unit for air to water heat pump system and options
4PW54466-1C
"Field settings" on page 15
+ 05
Shift value
00
– 05
Hi_A T
A
temperature (Lo_A): low
temperature (Hi_A): high
The setback function is configured through field settings. Refer to the
chapter "Field settings" on page 15
set one or more field settings.
[2-00] Status: defines whether the setback function is turned ON
(1) or OFF (0)
[2-01] Start time: time at which setback is started
[2-02] Stop time: time at which setback is stopped
[5-02] Leaving water setback temperature (temperature drop)
T
A
65°C
5°C [5-02]
B
60°C
A Normal leaving water temperature set point
outdoor
B Leaving water temperature, including the leaving water setback
temperature
outdoor
t Time
T Temperature
Domestic water heating operation (
Any domestic water heating operation is impossible
NOTE
when the domestic hot water tank is not installed.
For the domestic water heating mode, several operations are
possible:
• storage operation (either automatic or manually set)
• reheat operation
• disinfection operation
The purpose of each operation, and how the configuration is done, is
explained below.
Domestic water heating modes
T
D
E
F
G
A Storage operation (if activated)
B Reheat operation (if activated)
C Disinfection operation (if activated)
Field settings
D Disinfection operation temperature [5-00] (e.g. 70°C)
E Hot water storage temperature [b-03] (e.g. 60°C)
F Reheat maximum water temperature [b-01] (e.g. 45°C)
G Reheat minimum water temperature [b-00] (e.g. 35°C)
t Time
T Domestic hot water tank temperature
for a detailed description how to
[2-01] [2-02]
w
A B C
t
)
t
Operation manual
6