Daikin EBHQ008BAV3 [6/20] Setting up the controller
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Daikin EBHQ008BAV3 [6/20] Setting up the controller

Daikin EBHQ008BAV3 [6/20] Setting up the controller
Operation manual
5
EBHQ006+008BAV3 + EKCBX/H008BAV3
Unit for air to water heat pump system
4PW64603-1A – 08.2010
25. SPACE HEATING/COOLING BUTTON =
This button allows manual switching between heating or cooling
mode (provided the unit is not a heating only unit).
When the unit is connected with an external room thermostat,
this button is not operable and the icon e is shown.
26. DOMESTIC WATER HEATING BUTTON v
This button enables or disables heating of the domestic water.
This button is not used when the domestic hot water tank is not
installed.
27. WEATHER DEPENDENT SET POINT BUTTON ba
This button enables or disables the weather dependent set point
function which is available in space heating operation only.
If the controller is set in permission level 2 or 3 (refer to "Field
settings" on page 11), the weather dependent set point button
will not be operable.
28. INSPECTION/TEST OPERATION BUTTON
z
This button is used for installation purposes and changing field
settings. Refer to "Field settings" on page 11.
29. PROGRAMMING BUTTON <
This multi-purpose button is used to program the controller. The
function of the button depends on the actual status of the
controller or on previous actions carried out by the operator.
30. SCHEDULE TIMER BUTTON r/p
The main function of this multi-purpose button is to
enable/disable the schedule timer.
The button is also used to program the controller. The function of
the button depends on the actual status of the controller or on
previous actions carried out by the operator.
If the controller is set in permission level 3 (refer to "Field
settings" on page 11), the schedule timer button will not be
operable.
31. TIME ADJUST BUTTON pi and pj
These multi-purpose buttons are used to adjust the clock, to
toggle between temperatures (water outlet temperature of the
indoor unit, outdoor ambient temperature and domestic hot
water temperature) and in schedule timer programming mode.
32. TEMPERATURE ADJUST BUTTONS bi and bj
These multi-purpose buttons are used to adjust the current set
point in normal operation mode or in schedule timer
programming mode. In weather dependent set point mode the
buttons are used to adjust the shift value. Finally, the buttons are
also used to select the weekday while setting the clock.
33. DOMESTIC HOT WATER TEMPERATURE ADJUST BUTTONS
wbi and wbj
These buttons are used to adjust the current set point of the
domestic hot water temperature.
The buttons are not used when the domestic hot water tank is
not installed.
34. QUIET MODE BUTTON
s
This button enables or disables quiet mode.
If the controller is set in permission level 2 or 3 (refer to "Field
settings" on page 11), the quiet mode button will not be
operable.
Setting up the controller
After initial installation, the user can set the clock and day of the
week.
The controller is equipped with a schedule timer that enables the user
to schedule operations. Setting the clock and day of the week is
required to be able to use the schedule timer.
Setting the clock
1 Hold down the pr button for 5 seconds.
The clock read-out and the day of week indicator start flashing.
2 Use the pi and pj buttons to adjust the clock.
Each time the pi or pj button is pressed, the time will
increase/decrease by 1 minute. Keeping the pi or pj
button pressed will increase/decrease the time by 10 minutes.
3 Use the bi or bj button to adjust the day of the week.
Each time the bi or bj button is pressed the next or
previous day is displayed.
4 Press the < button to confirm the current set time and day of the
week.
To leave this procedure without saving, press the pr button.
If no button is pressed for 5 minutes the clock and day of the
week will return to their previous setting.
Setting the schedule timer
To set the schedule timer, refer to chapter "Programming and
consulting the schedule timer" on page 8.
Description of the operation modes
Space heating operation (h)
In this mode, heating will be activated as required by the water
temperature set point. The set point can be set manually (refer to
"Manual operation" on page 6) or weather dependent (refer to
"Selecting weather dependent set point operation (only in heating
mode)" on page 7).
Startup (d)
At the start of a heating operation, the pump is not started until a
certain refrigerant heat exchanger temperature is reached. This
guarantees correct startup of the heat pump. During startup, icon
d is displayed.
Defrost (d)
In space heating operation or heat pump domestic water heating
operation, freezing of the outdoor heat exchanger may occur due to
low outdoor temperature. If this risk occurs, the system goes into
defrost operation. It reverses the cycle and takes heat from the indoor
system to prevent freezing of the outdoor system. After a maximum
of 8 minutes of defrost operation, the system returns to space heating
operation.
Space cooling operation (c)
In this mode, cooling will be activated as required by the water
temperature set point.
NOTICE
Remark that pushing the y button has no influence
on the domestic water heating. Domestic water
heating is only switched on or off by means of the
v button.
The clock needs to be set manually. Adjust the setting
when switching from summertime to wintertime and vice
versa.
■ The space cooling temperature set point can only be
set manually (refer to "Manual operation" on page 6).
■ Switching between space heating and space cooling
operation can only be done by pressing the =
button or by the external room thermostat.
■ Space cooling operation is not possible if the
installation is a "heating only" installation.

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