Daikin EKHBH016AB, Operation Manual

Page: 4 / 20

Operation manual
3
EKHBH/X016AB
Indoor unit for hot water heat pump system and options
Name and function of buttons and icons
1 COOLING/HEATING ON/OFF BUTTON y
The ON/OFF button starts or stops the heating or cooling
function of the unit.
When the unit is connected with an external room thermostat,
this button is not operable and the icon
e is shown.
Pressing the ON/OFF button consecutively too many times may
cause malfunction of the system (maximum 20 times per hour).
2 OPERATION LED 0
The operation LED is lit during space cooling or space heating
operation. The LED blinks if a malfunction occurs. When the
LED is OFF, space cooling or space heating are inactive while
the other operation modes can still be active.
3 OPERATION MODE ICONS hcws
These icons indicate the current operation mode(s): space
heating (
h ), space cooling ( c ), domestic water heating ( w ) or
quiet mode ( s ). Within limits, different modes can be combined,
e.g. space heating and domestic water heating. The
corresponding mode icons will be displayed simultaneously.
In a heating only installation, the c icon will never be displayed.
If the domestic hot water tank is not installed, the w icon will
never be displayed.
If the solar option is installed and active, the w icon will be
blinking.
4 EXTERNAL CONTROL ICON e
This icon indicates that an external room thermostat with higher
priority is controlling your installation. This external room
thermostat can start and stop the space heating/cooling
operation and change the operation mode (cooling/heating).
When an external room thermostat with a higher priority is
connected, the schedule timer for space cooling and space
heating will not function.
5 DAY OF THE WEEK INDICATOR 1234567
This indicator shows the current weekday.
When reading or programming the schedule timer, the indicator
shows the set day.
6 CLOCK DISPLAY 8
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 p
This icon indicates that the schedule timer is enabled.
8 ACTION ICONS q
These icons indicate the programming actions for each day of
the schedule timer.
9 OFF ICON x
This icon indicates that the OFF action is selected when
programming the schedule timer.
10 INSPECTION REQUIRED k and l
These icons indicate that inspection is required on the
installation. Consult your Daikin dealer.
11 SET TEMPERATURE DISPLAY 9
The display shows the current set temperature of the
installation.
12 SETTING $
Not used. For installation purposes only.
13 NOT AVAILABLE n
This icon is displayed whenever a non-installed option is
addressed or a function is not available.
14 DEFROST/STARTUP MODE ICON d
This icon indicates that the defrost/startup mode is active.
15 COMPRESSOR ICON ç
This icon indicates that the compressor in the outdoor unit of the
installation is active.
16 BACKUP HEATER STEP ONE ( OR STEP TWO §
These icons indicate that the backup heater is operating on low
capacity (
( ) or on high capacity ( § ). The backup heater
provides extra heating capacity in case of low ambient outdoor
temperature (high heating load).
17 BOOSTER HEATER ICON
m
This icon indicates that the booster heater is active. The booster
heater provides auxiliary heating for the domestic hot water
tank.
The booster heater is located in the domestic hot water tank.
The icon is not used when the domestic hot water tank is not
installed.
18 PUMP ICON é
This icon indicates that the circulation pump is active.
19 OUTDOOR TEMPERATURE DISPLAY u
When this icon is flashing, the outdoor ambient temperature is
displayed.
20 WEATHER DEPENDENT SET POINT ICON a
This icon indicates that the controller will adapt the temperature
set point automatically, based on the outdoor ambient
temperature.
21 TEMPERATURE ICON b
This icon is displayed when the water outlet temperature of the
indoor unit, the outdoor ambient temperature and the domestic
hot water tank temperature are shown.
The icon is also displayed when the temperature set point is set
in schedule timer programming mode.
22 TEST OPERATION ICON t
This icon indicates that the unit runs in test mode. Refer to the
installation manual.
23 FIELD SET CODE ;
This code represents the code from the field set list. Refer to the
installation manual.
24 ERROR CODE :
This code refers to the error code list and is for service purposes
only. Refer to the installation manual.
NOTE 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.
1 17 3 5
6 24 8
13
25
26
11
19
21
14
4
7
9
12
10
22
34
27
28
23 20
33
32
31
29
30
2 16 18 15