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14. DEFROST/START UP MODE ICON
This icon indicates that the defrost/start up mode is active.
15. COMPRESSOR ICON
This icon indicates that the compressor in the indoor unit of the
installation is active.
16. PUMP ICON
This icon indicates that the heating circulation pump is active.
17. OUTDOOR TEMPERATURE DISPLAY
When this icon is flashing, the outdoor ambient temperature is
displayed. Refer to
"5.7. Temperature read-out mode" on
page 11
for more information.
18. WEATHER DEPENDENT SET POINT ICON
This icon indicates that the controller will adapt the leaving water
temperature set point automatically, based on the outdoor
ambient temperature.
19. TEMPERATURE ICON
This icon is displayed when the actual room temperature or
room temperature set point are shown.
The icon is also displayed when the temperature set point is set
in
schedule
timer
"5.7. Temperature read-out mode" on page 11
information.
20. TEST OPERATION ICON
This icon indicates that the unit runs in test mode.
21. FIELD SET CODE
This code represents the code from the field set list. Refer to the
"5.13. Field settings table" on page
22. ERROR CODE
This code refers to the error code list and is for service purposes
only. Refer to the error code list in the installation manual.
23. DOMESTIC WATER HEATING BUTTON
This button enables or disables the different domestic hot water
modes in combination with the schedule timer button.
This button is not used when the domestic hot water tank is not
installed.
INFORMATION
Remark that pushing the
on the domestic water heating. Domestic water
heating is only switched on or off by means of the
button and/or disabling the storage schedule timer.
24. WEATHER DEPENDENT SET POINT BUTTON
This button enables or disables the weather dependent set point
function which is available in space heating operation.
If the controller is set to permission level 3 (refer to "Field
settings" in the installation manual), the weather dependent set
point button will not be operable.
25. INSPECTION/TEST OPERATION BUTTON
This button is used for installation purposes and changing field
settings. Refer to
"5.12. Field settings" on page
26. 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.
27. SCHEDULE TIMER BUTTON
The main function of this multi-purpose button is to enable/
disable the schedule timer.
The button is also used to set the clock and 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.
28. TIME ADJUST BUTTONS
These multi-purpose buttons are used to adjust the clock, to
toggle between temperatures (water inlet/outlet temperature of
the indoor unit, outdoor ambient temperature, actual room
temperature and domestic hot water temperature) and in
schedule timer programming mode.
Operation manual
5
programming
mode.
Refer
for more
19.
button has no influence
18.
/
and
29. LEAVING
WATER
and
These buttons are used to adjust the leaving water temperature
set point in normal operation mode or in schedule timer
programming mode.
If the controller is set to permission level 3 (refer to "Field
settings" in the installation manual), the leaving water
temperature adjust button will not be operable.
In case the weather dependent set point operation is selected,
the unit has a floating set point. In this case, the
as the shift value (in case not zero) will display.
30. ROOM TEMPERATURE ADJUST BUTTONS
These multi-purpose buttons are used to adjust the current room
temperature set point in normal operation mode or in schedule
timer programming mode.
When changing the room temperature set point, the set point
value on the display will be flashing. After 5 seconds the display
will show to the actual room temperature.
31. QUIET MODE BUTTON
This button enables or disables quiet mode.
to
If the controller is set to permission level 2 or 3 (refer to "Field
settings" in the installation manual), the quiet mode button will
not be operable.
32. The
button is not used.
5.2. Setting the clock
After initial installation, the user can set the clock and day of the week.
The remote 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.
1
Hold down the
The clock read-out and the day of week indicator start flashing.
2
Use the
and
Each time the
increase/decrease by 1 minute. Keeping the
button pressed will increase/decrease the time by 10 minutes.
3
Use the
week.
Each time the
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
If no button is pressed for 5 minutes the clock and day of the
week will return to their previous setting.
INFORMATION
I
The clock needs to be set manually. Adjust the setting
when switching from summertime to wintertime and
vice versa.
I
If the controller is set to permission level 2 or 3 (refer
to "Field settings" in the installation manual), setting
the clock will not be possible.
I
A power failure exceeding 1 hour will reset the clock
and the day of the week. The schedule timer will
continue operation, but with a disordered clock.
Therefor it will be needed to correct the clock and the
day of the week.
TEMPERATURE
ADJUST
button for 5 seconds.
buttons to adjust the clock.
or
button is pressed, the time will
or
button to adjust the day of the
or
button is pressed the next or
VRV IV system indoor unit
4P404572-1 – 2015.04
BUTTONS
icon as well
and
or
button.
HXHD125A8V1B
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