Rotex RHBH04CB3V Installer's Reference Manual page 51

# Code
[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
guidelines" on
▪ 0 (No)(default): NOT installed. The
thermistor in the user interface and in
the
measurement.
▪ 1 (Outdoor sensor): Installed. The
outdoor
measure
temperature.
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
guidelines" on page 10.
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[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
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
"5 Application guidelines" on
[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): The alarm output
will be powered when an alarm
occurs. By setting this value, a
distinction
detection
detection of a power failure.
▪ 1 (Normally closed): The alarm output
will NOT be powered when an alarm
occurs.
See also table below (Alarm output
logic).
RRLQ004~008CA + RHBH/X04+08CB
ROTEX HPSU low temperature Bi‑bloc
4P384979-1C – 2017.04
Description
"5 Application
page 10.
outdoor unit are used for
sensor will be used to
the outdoor ambient
Remark: For some
"5 Application
Description
(gasboiler, oil burner) will
boiler is used. See
page 10.
is made between the
of an alarm, and the
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[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
"5 Application guidelines" on
Alarm output logic
[C-09] Alarm
0 (default) Closed output
1 Open output
Demand PCB
The demand PCB is used to enable the power consumption control
by digital inputs. See "5 Application guidelines" on
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[A.2.2.7] [D-04] Demand PCB
Only applicable for RHBH/X04+08.
Indicates if the optional demand PCB is
installed.
▪ 0 (No)(default)
▪ 1 (Pwr consmp ctrl)
Energy metering
When energy metering is performed by the use of external power
meters, configure the settings as described below. Select the pulse
frequency output of each power meter in accordance with the power
meter specifications. It is possible to connect (up to 2) power meters
with different pulse frequencies. When only 1 or no power meter is
used, select No to indicate the corresponding pulse input is NOT
used.
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[A.2.2.8] [D‑08] Optional external kWh meter 1:
▪ 0 (No): NOT installed
▪ 1: Installed (0.1 pulse/kWh)
▪ 2: Installed (1 pulse/kWh)
▪ 3: Installed (10 pulse/kWh)
▪ 4: Installed (100 pulse/kWh)
▪ 5: Installed (1000 pulse/kWh)
[A.2.2.9] [D‑09] Optional external kWh meter 2:
▪ 0 (No): NOT installed
▪ 1: Installed (0.1 pulse/kWh)
▪ 2: Installed (1 pulse/kWh)
▪ 3: Installed (10 pulse/kWh)
▪ 4: Installed (100 pulse/kWh)
▪ 5: Installed (1000 pulse/kWh)
8 Configuration
Description
output. See
page 10.
No alarm No power
supply to unit
Open output Open output
Closed output
page 10.
Description
Description
Installer reference guide
51