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Space cooling operation (
In this mode, cooling will be activated as required by the water
temperature set point.
The space cooling temperature set point can only be
set manually (refer to
Switching between space heating and space cooling
operation can only be done by pressing the
button or by the external room thermostat.
Space cooling operation is not possible if the
installation is a "heating only" installation.
Domestic water heating operation (
In this mode, the indoor unit will heat up the domestic hot water tank
by heat pump when the space heating/space cooling operation has
reached its temperature set point or heat pump domestic water
heating has a higher demand request than space side (depends on
dipswitch setting).
Refer to the warning mentioned in
page 2
concerning domestic water heating.
The domestic hot water water temperature set point
can only be set manually (refer to
on page
6).
Any domestic water heating operation is impossible
when the domestic hot water tank is not installed.
When the
w
icon is blinking, the domestic hot water is
heating up by the solar kit option and not by the indoor
unit. Refer to installation manual of the EKSOLHW
solar kit.
Quiet mode operation (
s
Quiet mode operation means that the outdoor unit works at reduced
capacity so that the sound produced by the outdoor unit drops. This
implies that the indoor heating and cooling capacity will also drop.
Beware of this when a certain level of heating is required indoors.
EKHBH/XE008BA
Indoor unit for air to water heat pump system and options
4PW56302-1
)
c
"Manual operation" on page
)
w
"Introduction" on
"Manual operation"
)
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
6).
until the schedule timer forces another setting (refer to
timer operation" on page
=
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
temperature.
•
Temperature range for heating: 25°C to 55°C
The temperature for heating can be set as low as 15°C (see
"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
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.
In heating mode (
also be weather dependent (icon
This means that the controller calculates the water
temperature set point based on the outdoor temperature.
In this case, instead of showing the water temperature set
point, the controller shows the "shift value" which can be
set by the user. 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
When the unit is connected to an external room
thermostat, buttons
icon
e
thermostat switches the unit on or off and determines the
operation mode (space heating or space cooling).
7).
n
h
) and space cooling
and
bj
buttons to set the desired water
13). However, the temperature for
13).
h
), the water temperature set point can
a
is shown).
y
button.
0
lights up.
=
and
y
are not operable and the
is shown. In this case, the external room
"Schedule
will appear.
h
) or space cooling
"Field
Operation manual
6
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