Intelligent Storage Tank Management; Special Functions; Configuration; Access Privileges (Technician Code) - Daikin RoCon+ HP EHSX04P30D Manual De Instrucciones

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▪ [Interlink function] parameter = On: Evaluation of the heating and
cooling switching contacts at plug connection J16 on the RoCon
BM2C PCB. Activation of cooling mode only by switching the op-
erating mode to [Cooling] (see
thermostat] parameter is no longer evaluated.
▪ Open switching contacts: Only frost protection active
▪ [Heating] or [Automatic 1] / [Automatic 2] operating mode active
during daytime switching cycles.
▪ Closed switching contact Heating = IL1
▪ It is controlled to the normal feed target temperature according
to the parameter settings for [Heating].
▪ Closed switching contact Cooling = IL2
▪ It is controlled to the increased feed target temperature (normal
feed target temperature + value of the [Interlink temperature
rise] parameter). Priority if both switching contacts are closed!
▪ [Cooling] operating mode active.
▪ Closed switching contact Heating = IL1
▪ It is controlled to the normal feed target temperature according
to the parameter settings in level [HC Configuration] > [Cooling].
▪ Closed switching contact Cooling = IL2
▪ The system is regulated to the reduced feed target temperature
(normal feed target temperature - value of the parameter [Inter-
link temperature reduction]. Priority if both switching contacts
are closed!
Further explanations and possible settings for this menu can be
found in
Chap.
7.5.
4.4.5

Intelligent storage tank management

[→ Main menu → Settings → ISM]
If the storage temperatures are high enough, the energy in the stor-
age tank can be used for room heating. This can either increase
comfort ([Continuous heating] function) or make it possible to use
energy from an external heat source, e.g. solar, when heating is re-
quired ([Heating support (HZU)] function).
Continuous heating
This function enables uninterrupted heating, even when the evapor-
ator is being defrosted. This enables high comfort to be guaranteed,
even with rapidly reacting heating systems (e.g. convectors).
Heating support (HZU)
If the Heating support function (parameter [Heating support (HZU)] =
On) is activated, the energy in the Daikin Altherma EHS(X/H)'s integ-
rated storage tank is used to undertake the heating function. If the
storage temperature is sufficiently high, the burner remains inactive.
The minimum value (T
) is calculated as follows: T
HZUmin
rently active hot water target temperature [Hot water temperature
setpoint] + [HZU hysteresis] parameter.
Switch-on condition:
Tdhw > T
+ 4 K and Tdhw > [Hot water temperature setpoint] in-
HZUmin
formation parameter + 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.
Switch-off condition:
Tdhw < T
or Tdhw < [Feed temperature setpoint] parameter
HZUmin
(see
Chap.
4.5.3)
If the switch-off condition is fulfilled, the heating support from the hot
water storage tank is set and the burner takes over the heating oper-
ation.
The [Power BIV] parameter limits the maximum power that can be
taken. The [HZU max. temperature] parameter limits the maximum
temperature that can enter the heating system.
Daikin RoCon+ HP
Daikin Controller RoCon+ HP
008.1444299_01 – 09/2018 – EN
Chap.
4.1). Setting of the [Room
= cur-
HZUmin
Further explanations and possible settings for the parameters in this
menu can be found in
Chap.
7.5.5.
4.4.6

Special functions

[→ Main menu → Settings → Special]
Special functions influence the power consumption of the heat
pump. For example, quiet mode means that the heat pump outdoor
unit operates at reduced output. This reduces the operating noise
generated by the heat pump outdoor unit.
Quiet mode
CAUTION
During active quiet mode, the output in room heating and
room cooling mode decreases so that it may no longer be
possible to achieve pre-set target temperature values.
▪ If outside temperatures are below freezing, there is a
risk of material damage caused by frost.
When the function is activated, the heat pump operates in low-noise
mode. The [Noise level] parameter can be used to select three noise
levels.
Further explanations and possible settings for this menu can be
found in
Chap.
7.5.
4.5

Configuration

[→ Main menu → Configuration]
This menu can be used to optimally adapt the operating characterist-
ics of the system to the system structure and the needs of the users.
Additional programs facilitate commissioning. Depending on the ac-
cess authorisation (user or expert), different parameters are avail-
able.
4.5.1

Access privileges (technician code)

[→ Main menu → Configuration → Access]
Certain functions and parameters in the controller are restricted by
access rights and are not visible to the user. To gain access to it, the
specialist code must be entered.
Fig. 4-1
Setting the access code
Example: Set code 3090 (example only, this is not a valid access
code) [→ Main menu → Configuration → Access]:
1
Turn the rotary button clockwise until the first input field is dis-
played in blue.
2
Briefly press the rotary button to confirm ("OK").
è The first input field flashes blue.
3
Turn the rotary button clockwise until 3 is displayed.
4
Function
Operating Instructions
17

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