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Quiet mode operation (
s
Quiet mode operation means that the unit works at reduced capacity
so that the sound produced by the unit drops. This implies that the
heating (cooling) capacity will also drop. Beware of this when a
certain level of heating (cooling) is required indoors.
Two quiet modes are available.
Disinfection function
(1)
When the w, ç, é and m
together, the disinfection function has been activated. This is not a
malfunction. Refer to "[2] Disinfection function" in the installation
manual for more details.
Freeze protection function
When the h, é and § icons are blinking together, the freeze
protection has been activated. This is not a malfunction. Refer to "[4]
Backup/booster heater operation and space heating off temperature"
in the installation manual for more details.
4.6. Controller operations
Manual operation
In manual operation, the user manually controls the settings of the
installation. The last setting remains active until the user changes it or
until the schedule timer forces another setting (refer to
timer operation" on page
8).
As the controller can be used for a wide variety of installations, it is
possible to select a function which is not available on your
installation. In that case the message
Switching on and setting space heating (
(
c
)
1
Use the
=
button to select space heating (
(
c
).
Icon
h
or
c
appears on the display as well as the corresponding
water temperature set point.
2
Use the
bi
and
bj
temperature.
•
Temperature range for heating: 25°C to 55°C
The temperature for heating can be set as low as 15°C (see
"5. Field settings" on page
heating should only be set lower than 25°C during
commissioning of the installation. When set lower than 25°C,
only the backup heater will operate.
In order to avoid overheating, space heating is not operable
when the outdoor ambient temperature rises above a certain
temperature (as set through field setting [4-02], refer to
"5. Field settings" on page
•
Temperature range for cooling: 5°C to 22°C
CAUTION
The actual operation range depends on the values set on
field setting [9].
These values shall be determined based on the
application.
(1) Only applicable for tank with built-in electrical booster heater (EKHW*).
(2) Only applicable for tank without electrical booster heater (EKHTS).
Operation manual
7
)
(2)
, or w, ç, é and §
icons are blinking
n
will appear.
h
) and space cooling
h
) or space cooling
buttons to set the desired water
13). However, the temperature for
13).
INFORMATION
In heating mode (
temperature set point can also be weather dependent (icon
a
is shown).
This means that the controller calculates the water
temperature set point based on the outdoor temperature.
In this case the controller shows the calculated controller
set point. The
display the actual "shift value" and subsequently, to set the
correct value. This shift value is the temperature difference
between the temperature set point calculated by the
controller and the real set point. E.g. a positive shift value
means that the real temperature set point will be higher
than the calculated set point.
3
Switch on the unit by pushing the
The operation LED
INFORMATION
When the unit is connected to an external room
thermostat, buttons
icon
thermostat switches the unit on or off and determines the
operation mode (space heating or space cooling).
Selection and setting of domestic water heating (
1
Use the
Icon
w
"Schedule
2
Use the
temperature set point and subsequently, to set the correct
temperature.
The actual temperature set point only appears on the display
after pressing one of the buttons
pressed for 5 seconds, the temperature set point will
automatically disappear from the display again.
Temperature range for domestic water heating:
-
For EKHW* only: 30°C to 78°C
-
For EKHTS only: 30°C to 60°C
3
Press the
Icon
w
Selecting powerful domestic water heating operation
1
Press
v
heating operation.
-
For EKHW* only: Icons
-
For EKHTS only: Icons
Powerful domestic water heating is deactivated automatically
when the set point for the domestic hot water is reached.
Selecting quiet mode operation (
1
Use the
Icon
s
If the controller is set in permission level 2 or 3 (refer to
settings" on page
(3) Only applicable for tank with built-in electrical booster heater (EKHW*).
(4) Only applicable for tank without electrical booster heater (EKHTS).
h
) or cooling mode (
bi
button or
bj
y
0
lights up.
=
and
y
e
is shown. In this case, the external room
v
button to activate domestic water heating (
appears on the display.
wi
or
wj
button to display the actual
wi
INFORMATION
The domestic hot water set point set on the controller
is the actual domestic hot water set point ([4-03]=0, 1,
2, or 3) or the domestic hot water storage set point
([4-03]=4, or 5). See
"Domestic water heating
operation (w)" on page
6.
v
button to deactivate domestic water heating (
disappears from the display.
INFORMATION
Remark that pushing the
y
on the domestic water heating. Domestic water
heating is only switched on or off by means of the
v
button.
for 5 seconds to activate powerful domestic water
w
and
m
w
and
§
s
)
s
button to activate quiet mode operation (
appears on the display.
13), the
s
button will not be operable.
Unit and options for air to water heat pump system
c
), the water
button can be used to
button.
are not operable and the
w
)
w
).
or
wj
. If no button is
w
).
button has no influence
(3)
start flashing
.
(4)
start flashing
.
s
).
"5. Field
E(D/B)(H/L)Q011~016BB
4PW67905-1A – 2013.02
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