Daikin HXY080A8V1BF, Installation And Operation Manual

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Installation and operation manual
28
125A8V1BF
VRV IV System indoor unit
4P405267-1C – 2021.04
11.3.2. Name and function of buttons and icons
1 ON/OFF BUTTON
The ON/OFF button starts or stops the space cooling/heating.
Pressing the ON/OFF button consecutively too many times may
cause malfunction of the system (maximum 20 times per hour).
2 OPERATION LED
The operation LED is lit during space heating/cooling operation.
The LED blinks if a malfunction occurs. When the LED is OFF,
space heating/cooling is inactive while the other operation
modes can still be active.
3 OPERATION MODE ICONS ,
These icons indicate the current operation mode(s): heating ( )
or cooling ( ).
4 EXTERNAL CONTROL ICON
This icon indicates that the unit is working in a forced operation.
As long as this icon is displayed, the user interface cannot be
operated or has limited functionality.
5 DAY OF THE WEEK INDICATOR
This indicator shows the current day of the week.
When reading or programming the schedule timer, the indicator
shows the set day.
6 CLOCK DISPLAY
The clock display shows the current time.
When reading or programming the schedule timer, the clock
display shows the action time.
7 SCHEDULE TIMER ICON
This icon indicates that the schedule timer is enabled.
8 ACTION ICONS
These icons indicate the programming actions for each day of
the schedule timer.
9 OFF ICON
This icon indicates that the OFF action is selected when
programming the schedule timer.
10 INSPECTION REQUIRED and
These icons indicate that inspection is required on the
installation. Consult your dealer.
11 TEMPERATURE DISPLAY
The display shows the current temperature of the installation
either leaving water temperature or actual room temperature.
When changing the room temperature set point, the set point will
be flashing for 5 seconds and then return to the actual room
temperature.
12 SETTING
This icon is displayed whenever the field setting mode is
entered.
13 NOT AVAILABLE
This icon is displayed whenever a non-installed option is
addressed or a function is not available. A function not available
can mean insufficient permission level or can mean that a slave
user interface is used (see installation manual).
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 outdoor unit of the
system is active.
16 PUMP ICON
This icon indicates that the circulation pump is active.
17 OUTDOOR TEMPERATURE DISPLAY
When this icon is flashing, the outdoor ambient temperature is
displayed. Refer to "11.3.7. Temperature read-out mode" on
page 31 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 (during heating operation).
19 TEMPERATURE ICON
This icon is displayed when the actual room temperature or
room temperature set point is shown.
The icon is also displayed when the temperature set point is set
in schedule timer programming mode. Refer to
"11.3.7. Temperature read-out mode" on page 31 for more
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
"8.3. Field settings" on page 17 .
22 MALFUNCTION CODE
This code refers to the malfunction code list and is for service
purposes only. Refer to the malfunction code list
"8.6.2. Malfunction codes list" on page 25 .
23 BUTTON
This button has no function.
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 "8.3. Field settings" on page 17 .
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.
1 3 5 6 22 8
13
32
23
11
17
19
14
4
7
9
12
10
20
31
24
25
21
18
30
29
28
26
27
2 16 15
Master Slave
Permission
level 2 level 3
Operation ON/OFF
   
Setting the leaving water temperature
  
—
Setting the room temperature
   
Weather dependent set point operation
ON/OFF
  
—
Setting the clock
 
— —
Programming the schedule timer

— — —
Schedule timer operation ON/OFF

—
 
Field settings

— — —
malfunction code display
   
Test operation
 
— —

= operable