Operation manual
3
EKHBH/XE008AA3V3
Indoor unit for air to water heat pump system and options
4PW48442-1B
Basic controller functions
The basic controller functions are:
■
Turning the unit ON/OFF.
■
Operation mode change-over:
-
space heating (refer to
),
-
space cooling (refer to
-
domestic water heating (refer to
■
Selection of features:
-
quiet mode (refer to
-
weather dependent control (refer to
■
Temperature set point adjustment (refer to
The digital controller supports a power cut off of maximum 2 hours.
When autorestart is enabled (see
allows a power supply shut down of 2 hours without user intervention
(e.g. heat pump tariff application).
Clock function
The clock functions are:
■
24 hour real time clock.
■
Day of the week indicator.
Schedule timer function
The schedule timer function allows the user to schedule the
operation of the installation according to a daily or a weekly program.
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 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
(
This icon indicates that the backup heater is operating. The
backup heater provides heating capacity in case of
emergencies.
NOTE
(*) The functions 'space cooling' and 'domestic water
heating' can only be selected when the corresponding
equipment is installed.
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.
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Содержание EKHBHE008AA3V3
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