Daikin EKCBX008BCV3 [15/24] Detailed description
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Daikin EKCBX008BCV3 [15/24] Detailed description

Daikin EKCBX008BCV3 [15/24] Detailed description
EKCBX/H008BCV3
Unit for air to water heat pump system
4P348534-1 – 2013.04
Operation manual
14
Detailed description
[0] User permission level
If required, certain user interface buttons can be made unavailable for
the user.
Three permission levels are defined (see the table below). Switching
between level 1 and level 2/3 is done by simultaneously pressing
buttons pfi and pfj immediately followed by
simultaneously pressing buttons s and ba, and keeping all 4
buttons pressed for at least 5 seconds (in normal mode). Note that no
indication on the user interface is given. When level 2/3 is selected,
the actual permission level – either level 2 or level 3 – is determined
by the field setting [0-00].
[1] Weather dependent set point
The weather dependent set point field settings define the parameters
for the weather dependent operation of the unit. When weather
dependent operation is active the water temperature is determined
automatically depending on the outdoor temperature: low outdoor
temperatures will result in warmer water and vice versa. During
weather dependent operation, the user has the possibility to shift up
or down the target water temperature by a maximum of 5°C.
■ Field settings for heating operation
■ [1-00] Low ambient temperature (Lo_A): low outdoor
temperature.
■ [1-01] High ambient temperature (Hi_A): high outdoor
temperature.
■ [1-02] 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
low outdoor temperatures (i.e. Lo_A) warmer water is
required.
■ [1-03] 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.
■ Field settings for cooling operation
■ [1-05] Weather dependent for cooling function enable (1)/
disable (0)
■ [1-06] Low ambient temperature (Lo2_A): low outdoor
temperature.
■ [1-07] High ambient temperature (Hi2_A): high outdoor
temperature.
■ [1-08] Set point at low ambient temperature (Lo2_Ti): the
target outgoing water temperature when the outdoor
temperature equals or drops below the low ambient
temperature (Lo2_A).
Note that the Lo2_Ti value should be higher than Hi2_Ti, as
for low outdoor temperatures (i.e. Lo2_A) less cold water
suffices.
■ [1-09] Set point at high ambient temperature (Hi2_Ti): the
target outgoing water temperature when the outdoor
temperature equals or rises above the high ambient
temperature (Hi2_A).
Note that the Hi2_Ti value should be lower than Lo2_Ti, as
for warmer outdoor temperatures (i.e. Hi2_A) colder water is
required.
T
t
Target water temperature
T
A
Ambient (outdoor) temperature
Shift value Shift value
Button
Permission level
1 2 3
Quiet mode button s operable — —
Weather dependent
set point button
ba operable — —
Schedule timer
enable/disable button
pr operable operable —
Programming button < operable — —
Time adjust buttons
pfi
pfj
operable — —
Inspection/test
operation button
z operable — —
Lo_Ti
Lo2_Ti
Lo_A
Lo2_A
Hi_A
Hi2_A
T
A
T
t
+ 05
00
– 05
Hi_Ti
Hi2_Ti
Shift value

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