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4.3. Name and function of buttons and icons
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1.
HEATING/COOLING ON/OFF BUTTON
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
Pressing the ON/OFF button consecutively too many times may
cause malfunction of the system (maximum 20 times per hour).
INFORMATION
Remark that pushing the
on the domestic water heating. Domestic water
heating is only switched on or off by means of the
v
button.
2.
OPERATION LED
0
The operation LED is lit during space heating or space cooling
operation. The LED blinks if a malfunction occurs. When the
LED is OFF, space heating or space cooling are inactive while
the other operation modes can still be active.
3.
OPERATION MODE ICONS
These icons indicate the current operation mode(s): space
heating (
h
), space cooling (
quiet mode (
s
). Within limits, different modes can be combined,
e.g. space
heating
and
corresponding mode icons will be displayed simultaneously.
In a heating only installation, the
If the domestic hot water tank is not installed, the
never be displayed.
If the solar option is installed and active, the
blinking.
4.
EXTERNAL CONTROL ICON
This icon indicates that the room thermostat (optional) 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 (heating/cooling).
When the external room thermostat with a higher priority is
connected, the schedule timer for space heating and space
cooling will not function.
When the benefit kWh power rate signal is sent, the centralised
control indication
e
will flash to indicate that benefit kWh power
rate is active.
5.
DAY OF THE WEEK INDICATOR
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.
EKCBX/H008BBV3
Unit for air to water heat pump system
4PW67442-1A – 12.2010
15
18
3
16
2
17
1
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4
14
21
19
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20
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32
31
y
e
is shown.
y
button has no influence
hcws
c
), domestic water heating (
domestic
water
heating. The
c
icon will never be displayed.
w
icon will
w
icon will be
e
1234567
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
x
This icon indicates that the OFF action is selected when
programming the schedule timer.
10. INSPECTION REQUIRED
These icons indicate that inspection is required on the
installation. Consult your dealer.
11. SET TEMPERATURE DISPLAY
The display shows the current space heating/cooling set
temperature of the installation.
12. SETTING
$
Not used. For installation purposes only.
13. NOT AVAILABLE
This icon is displayed whenever a non-installed option is
addressed or a function is not available.
14. DEFROST/STARTUP MODE ICON
This icon indicates that the defrost/startup mode is active.
15. COMPRESSOR ICON
This icon indicates that the compressor in the outdoor unit of the
installation is active.
16. BACKUP HEATER STEP ONE
These icons indicate that the backup heater (if installed) is
operating on low capacity (
backup heater provides extra heating capacity in case of low
ambient outdoor temperature (high heating load).
17. BOOSTER HEATER ICON
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
This icon indicates that the circulation pump is active.
w
) or
19. OUTDOOR TEMPERATURE DISPLAY
When this icon is flashing, the outdoor ambient temperature is
displayed.
20. WEATHER DEPENDENT SET POINT ICON
This icon indicates that the controller will adapt the temperature
set point automatically, based on the outdoor ambient
temperature.
21. TEMPERATURE ICON
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
This icon indicates that the unit runs in test mode.
23. FIELD SET CODE
This code represents the code from the field set list. Refer to the
"Field settings table" on page
24. 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.
p
Q
k
and
l
9
n
d
ç
(
OR STEP TWO
(
) or on high capacity (
m
é
u
b
t
;
18.
:
§
§
). The
a
Operation manual
4
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