Daikin RHBH11CB [51/112] Configuration

Daikin RHBH11CB [51/112] Configuration
8 Configuration
Installer reference guide
51
RRLQ004~008CA + RHBH/X04+08CB
ROTEX HPSU low temperature Bi‑bloc
4P384979-1B – 2016.02
Thermostats and external sensors
NOTICE
If an external room thermostat is used, the external room
thermostat will control the room frost protection. However,
the room frost protection is only possible if the leaving
water temperature control on the unit's user interface is
turned ON.
See "5Application guidelines"on page10.
# Code Description
[A.2.2.4] [C-05] Contact type main
In external room thermostat control, the
contact type of the optional room
thermostat or heat pump convector for
the main leaving water temperature zone
must be set. See "5Application
guidelines"on page10.
1 (Thermo ON/OFF): The connected
external room thermostat or heat
pump convector sends the heating or
cooling demand by the same signal as
it is connected to only 1 digital input
(preserved for the main leaving water
temperature zone) on the indoor unit
(X2M/1). Select this value in case of a
connection to the heat pump
convector (RFWXV).
2 (H/C request)(default): The
connected external room thermostat
sends separate heating and cooling
demand and is therefore connected to
the 2 digital input (preserved for the
main leaving water temperature zone)
on the indoor unit (X2M/1 and 2).
Select this value in case of connection
with the wired (RKRTWA) or wireless
(RKRTR1) room thermostat.
[A.2.2.5] [C-06] Contact type add.
In external room thermostat control with
2 leaving water temperature zones, the
type of the optional room thermostat for
the additional leaving water temperature
zone must be set. See "5Application
guidelines"on page10.
1 (Thermo ON/OFF): See Contact
type main. Connected on the indoor
unit (X2M/1a).
2 (H/C request)(default): See Contact
type main. Connected on the indoor
unit (X2M/1a and 2a).
# Code Description
[A.2.2.B] [C-08] External sensor
When an optional external ambient
sensor is connected, the type of the
sensor must be set. See "5Application
guidelines"on page10.
0 (No)(default): NOT installed. The
thermistor in the user interface and in
the outdoor unit are used for
measurement.
1 (Outdoor sensor): Installed. The
outdoor sensor will be used to
measure the outdoor ambient
temperature. Remark: For some
functionality, the temperature sensor
in the outdoor unit is still used.
2 (Room sensor): NOT applicable.
Digital I/O PCB
Modification of these settings is only needed when the optional
digital I/O PCB is installed. The digital I/O PCB has multiple
functionality which need to be configured. See "5 Application
guidelines"on page10.
# Code Description
[A.2.2.6.1] [C-02] Ext. backup heat src
Indicates if the space heating is also
performed by means of another heat
source than the system.
0 (No)(default): NOT installed.
1 (Bivalent): Installed. The auxiliary
boiler (gasboiler, oil burner) will
operate when the outdoor ambient
temperature is low. During the bivalent
operation, the heat pump is turned
OFF. Set this value in case an
auxililary boiler is used. See
"5Application guidelines"on page10.
[A.2.2.6.3] [C-09] Alarm output
Indicates the logic of the alarm output on
the digital I/O PCB during
malfunctioning.
0 (Normally open)(default): The alarm
output will be powered when an alarm
occurs. By setting this value, a
distinction is made between
malfunctioning and detection of a
power failure of the unit.
1 (Normally closed): The alarm output
will NOT be powered when an alarm
occurs.
[A.2.2.6.4] [F-04] Bottom plate heater
Only applicable for RHBH/X11+16 and
RHVH/X11+16. Indicates if an optional
bottom plate heater is installed on the
outdoor unit. The power of the bottom
plate heater is in this case supplied by
the indoor unit.
0 (No)(default): NOT installed.
1 (Yes): Installed. Remark: If this
value is set, the output on the digital I/
O PCB cannot be used for space
heating/cooling output. See
"5Application guidelines"on page10.

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