Rotex RKHBRD011ABV1 Manuel D'installation page 72

See also "[2] Automatic setback function" on page 21 for more
information about the setback operation.
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[5-02] Leaving water setback temperature
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[5-03] Room setback temperature
[6] Option setup
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[6-00] Domestic hot water tank option
If the domestic hot water tank is installed, its operation must be
enabled by field setting. Default [6-00]=0 which means no tank is
installed. Set [6-00] to 1 if the optional domestic hot water tank is
installed.
NOTE When enabling the domestic hot water tank option
be aware that the advised default settings become
active:
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[1-00]=1=automatic night storage
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[4-00]=1=disinfection function
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[6-01] External room thermostat option
If the optional external room thermostat is installed, its operation
must be enabled by field setting. Default [6-01]=0, which means
no external room thermostat is installed. Set [6-01] to 1 if the
optional external room thermostat is installed.
The external room thermostat only gives an ON/OFF signal to
the heat pump based on the room temperature. Because it does
not give continuous feedback information to the heat pump, it is
supplementary to the remote controller room thermostat
function. To have a good control of the system and avoiding
frequent ON/OFF it is advised to use the automatic weather
dependent set point operation.
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[6-02] Heater kit
Once installed, you can activate the heater kit by changing field
setting [6-02]=1.
From that moment on, the heat pump system will take the heater
kit into account whilst deciding operation. When the heater is
actually operating, the heater symbol ( is shown on the remote
controller. There is no step 1-2 indication.
For more information, see installation manual of the heater kit,
especially concerning the test run for the heater kit.
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[6-03] Solar support
For more information refer to the EKHWP installation manual.
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[6-04] Benefit kWh rate power supply mode
If benefit kWh rate power supply is used, the mode must be
selected. Default [6-04]=0 which means no benefit kWh rate
power supply is used.
Set [6-04] to 1 to use benefit kWh rate power supply mode 1
(normally closed contact which will open when the power supply
is interrupted), or set [6-04] to 2 to use benefit kWh rate power
supply mode 2 (normally opened contact which will close when
the power supply is interrupted).
See "Connection to a benefit kWh rate power supply" on page 17 for
more information.
[7] Option setup
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[7-00] Bottom plate heater option
An optional bottom plate heater can be installed in your outdoor
unit. In case an RRRQ* outdoor unit (special model with freeze-
up countermeasures) is installed, the unit will have the bottom
plate heater already standard installed.
If the bottom plate heater is installed, its operation must be
enabled by field setting. Default [7-00]=1 which means the
bottom plate heater is installed. Set [7-00] to 0 if no bottom plate
heater is installed.
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[7-02] See chapter "Multiple set point control" on page 28
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[7-03] See chapter "Multiple set point control" on page 28
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[7-04] See chapter "Multiple set point control" on page 28
Installation manual
23
[8] Option setup
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[8-00] Remote controller temperature control
When using the remote control delivered with the unit, 2 types of
temperature control are possible. Default [8-00]=1 which means
that the remote controller is used as room thermostat, so the
remote controller can be placed in the living room to control the
room temperature. Set [8-00] to 0 to use the unit in leaving water
temperature control.
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[8-01] Backup heater optional setting
This setting applies to installations with a backup heater
installed (refer to "[6-02] Heater kit" on page 23).
■ [8-01]=0 (default)
During benefit kWh rate power supply mode the backup
heater will not operate. No automatic heat pump operation
stop is performed at lower ambient temperatures.
■ [8-01]=1
During benefit kWh rate power supply mode the backup
heater will operate automatically in emergency mode. If the
ambient temperature is lower than –25°C, the heat pump
operation will stop and the unit will automatically change to
emergency operation.
For more information about connections to the backup heater,
refer to the backup heater installation manual.
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[8-02] Emergency operation
During emergency mode, heating is only done by the heater kit,
not by the heat pump.
Activation of emergency mode is done by changing field setting
[8-02]=1.
Activating the emergency mode will stop the heat pump
operation. The pump of the indoor unit will be started, but
heating itself is done by the heater kit. If there are no error
conditions in leaving or returning water thermistors, the heater
kit can start to follow emergency operation.
NOTE Before activating emergency operation, be sure to
activate the heater kit. The heater will stay in
emergency mode until the field setting is set back
to default [8-02]=0.
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[8-03] Quiet mode
The unit has a quiet mode functionality for which 3 levels can be
selected:
■ [8-03]=1 low noise level 1 (default)
■ [8-03]=2 low noise level 2
■ [8-03]=3 low noise level 3 (is the most quiet)
Activating this quiet mode is done by pushing the QUIET MODE
button on the remote controller or through the schedule timer.
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[8-04] Freeze-up prevention
The unit has a freeze-up prevention functionality for which 3
levels can be selected:
■ [8-04]=0 prevention level 0 (default: no prevention)
■ [8-04]=1 prevention level 1
■ [8-04]=2 prevention level 2
The freeze-up prevention is only active when the unit is in
thermo OFF condition. If prevention level 1 is enabled, the
freeze-up prevention will start if the outdoor ambient
temperature <4°C and if leaving or return water temperature
<7°C. For prevention level 2, the freeze-up prevention will start
as soon as the ambient temperature <4°C.
For both cases the pump will operate and if leaving or return
water <5°C for 5 minutes the unit will start up to prevent too low
temperatures.
It is advised to enable freeze-up prevention if the indoor unit is
located in a colder ambient room (e.g. garage, ...) to prevent
water freeze-up.
Indoor unit for air to water heat pump system
RKHBRD011~016ABV1+Y1
4PW61218-1A