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Operation
Daikin RoCon
Daikin Control unit
008.1543999_00 – 03/2017 – EN
Operating instructions
27
After the screed program has ended, the RoCon BF control unit
continues to work in the previously set operating mode. If not con-
figured beforehand, the following finishing work is necessary.
a) For connection without room control:
●
Set the heating characteristic curve or required T-HS.
b) For connection with room control:
●
Activate the room control.
●
Set the heating characteristic curve or required T-HS. If
necessary, activate the [Room Influence] parameter and
set the room target temperature.
3.6.8 Relay test
In the event of error messages, heating problems or as part of the
annual maintenance, it may be necessary to check the function
of the internal switching relays and sensors.
●
Set the rotary switch to the
"Configuration"
position.
An overview is displayed.
●
Use the rotary button to select the
"System Configuration"
level.
●
Confirm the selection with a brief push of the rotary button.
An overview is displayed.
●
Use the rotary button to select the following parameter:
[
Relay Test
] (only visible with technician code)
All relays are deactivated.
A selection list of all relays is displayed (for the assign-
ment of the relays, see chap. 6.2).
●
Use the rotary button to select the relays to be checked.
●
Confirm the selection with a brief push of the rotary button.
A relay is activated.
●
Cancellation and jump back by:
– briefly pressing the Exit key or the rotary button
– selecting another menu using the rotary switch.
Detailed explanations and possible setting values of this function can be found in
chap. 6.2.
3.6.9 Settings for optional circulation pump
For greater convenience in draining the water, an optional circu-
lation pump can be switched with the RoCon BF control unit.
There are 2 setting options for this:
a) Separate switching time program (see chap. 3.4.7). Here, the
circulation pump works according to an independent
switching time program.
b) Together with a hot water switching time program. Here, the
circulation pump is controlled in parallel to the operating times
of a hot water switching time program.
Independent of the set switching time program, the energy con-
sumption of the circulation pump can be minimised by operating
it in pulse mode. The [Circl-Pump Interval] parameter sets the du-
ration of operation of the circulation pump within a 15-minute in-
terval.
Use with hot water switching time programs
●
Set the rotary switch to the
"Configuration"
position.
An overview is displayed.
●
Use the rotary button to select the
"DHW Configuration"
level.
●
Confirm the selection with a brief push of the rotary button.
An overview is displayed.
●
Select the parameter to be set with the rotary button.
– [Circl-Pump DHW]: Setting of whether the circulation
pump is controlled by the active hot water switching time
program ("On") or by the separate switching time program
("Off").
– [Circl-Pump Interval]: Setting of the interval control for
optional circulation pump.
●
Confirm the selection with a brief push of the rotary button.
●
Set the parameter.
●
Confirm the selection with a brief push of the rotary button.
The circulation pump is controlled by the RoCon BF con-
trol unit in accordance with the entered settings.
Possible setting values of this rotary switch setting can be found in chap. 6.2.
3.6.10 Remote control via Internet
The RoCon BF control unit can be connected to the Internet via
an optional gateway (
EHS157056
). This enables remote control
of the Daikin RoCon BF from mobile phones (by app).
3.6.11 Frost protection function
The integrated heating circulation pump is switched on at an out-
side temperature below the [T-Frost Protect] parameter value in
order to prevent the heating system from freezing.
In addition, the flow, storage and connected room temperature
sensors are also constantly monitored. If the measured temper-
ature at one of these sensors falls to less than 7 °C (less than
5 °C at room temperature), the antifreeze function is also acti-
vated.
If the antifreeze function is active, the display of the RoCon BF
control unit displays the
symbol next to the time on the
standard display.
If the temperature of the heating flow falls to less than 7 °C, the
Daikin heat generator heats until the temperature of the heating
flow reaches at least 12 °C.
The function is ended if the outside temperature rises above the
set [T-Frost Protect] parameter value + 1 K and also there is no
other activation condition.
3.6.12
Heating support
If the heating support function ([HZU] parameter = On) is acti-
vated, the energy in the integrated storage tank of the Daikin
GCU compact is used to take over the heating function. If the
storage temperature is sufficiently high, the burner remains in-
active.
The minimum value (T
HZUmin
) is calculated as follows:
T
HZUmin
= currently active hot water target temperature [T-DHW
Setpoint] + [TDiff-DHW CH Support] parameter.
Switch-on condition:
Tdhw > T
HZUmin
+ 4 K
and
Tdhw > [T-HS Setpoint] info pa-
r 1 K
If the switch-on condition is fulfilled, heat is taken from the
storage tank and this is used to supply the heating system.
