Daikin EKHWMXB500CA [44/64] X parameter settings

Daikin EKHWMXB500CA [44/64] X parameter settings
6 x Parameter settings
Operating instructions
44
Daikin Control unit
RoCon mb
008.1446899_00 – 07/2019 – EN
6.2.2 "System Configuration" level
Parameters Description Access Setting range
Min / Max
Factory
setting
Incre-
ment
BE HF
Power DHW Heat output of the electric heater booster for hot water preparation N E 1000 -
40,000
W
3000 W 1000 W
BUH s1 power (*) Heat output of the electric heater booster for heating support stage 1
See operating instructions for heating element EKBUxx.
N E - - -
BUH s2 power (*) Heat output of the electric heater booster for heating support stage 2
See operating instructions for heating element EKBUxx.
N E - - -
Power BIV Setting limits the heating support output. N E 3000 -
40000
W
15000 W 1000 W
TDiff-DHW CH Sup-
port
Only if parameter [HZU] = On.
Heating support is activated if
Tdhw > T
HZUmin
+ 4 K and Tdhw > [T-HS Setpoint] + 1 K.
Heating support is deactivated if
Tdhw < T
HZUmin
or Tdhw < [T-HS Setpoint].
T
HZUmin
= currently active target hot water temperature [T-DHW Setpoint] + set parameter val-
ue [TDiff-DHW CH Support].
Tdhw = current hot water storage tank temperature
[T-HS Setpoint] = currently active target feed temperature (see tab. 6-12 and chap. 3.6.4)
N E 2 - 15 5 1
T vbh1 max Setting limits the target feed temperature (measured against t
V, BH
) when the heating support
function is active.
N E 5 - 85 °C 60 °C 1 °C
Equilibrium Temp (*) Setting influences the effect of the potential-free AUX switching contact (toggle switch output
A) defined in the parameter [AUX Fct].
Only if parameter [Equilibrium Func.] = On:
Outside temperature as of which the optional heater booster is activated to support room heat-
ing. The bi-valence temperature is relevant to operation of the optional heater booster due to
a backup requirement (room heating mode). The temperature of the temperature sensor (info
value TA) integrated in the heat pump outdoor unit is used for this.
E E -15 to +35 °C 0 °C 1 °C
Function BSC Selection of the functionality of switching contact EXT (J8):
0: evaluation of the resistance valves (see chap. 3.4.2)
1: evaluation as a burner blocking contact. If the switching contact is closed, the external heat
generator has priority.
S E 0 - 1 0 -
Quite Mode Mode for low-noise operation at reduced output (see chap. 3.4.11).
0: deactivated
1: activated
2: only operated in whisper mode at night from 22:00 to 06:00 hours.
E E 0 - 2 0 -
Quiet level On selection of low-noise operation, three noise levels can be set.
0: less quiet. The output can decline in colder ambient conditions.
1: medium quiet. Reduced output is possible under all conditions.
2: quietest. The output is reduced under all conditions.
S E 0 - 2 0 -
AUX Fct Setting assigns the switching conditions for the potential-free AUX switching contact (toggle
switch output A, see chap.
3.6.9).
0: function deactivated
AUX switching contact switches;
1: if storage tank temperature (Tdhw) value of parameter [T-DHW 1 min].
2: if a cooling request or heating request is present.
3: if a hot water request to the backup heater (EKBUxx) is present or the configured backup
heater is requested for heating support.
4: if an error is pending.
5: if the sensor value (TVBH) is > 60 °C.
6: if the outside temperature is < parameter value [Equilibrium Temp].
Heat pump continues to operate = parallel bi-valence mode.
7: if the outside temperature is < parameter value [Equilibrium Temp] + a heating request or a
hot water request is present.
Heat pump does not continue to operate = alternative bi-valence mode.
8: if a hot water request is present.
9: if the outside temperature is < parameter value [Equilibrium Temp] + heat request "room
heating" (not for hot water request). Heat pump no longer operates in room heating mode be
-
low the value set in the parameter [Equilibrium Temp] - only in hot water mode.
Application: alternative room heating bi-valence mode if the boiler is hydraulically integrated so
that it directly heats the unpressurised storage tank water of the Daikin Altherma
M ECH
2
O
(connection via solar connections).
10: "multi-oil" - if the outside temperature is < parameter value [Equilibrium Temp] + heat re-
quest "room heating" (not for hot water request). Heat pump no longer operates in room heat-
ing mode below the value set in the parameter [Equilibrium Temp] - only in hot water mode.
Application: alternative room heating bi-valence mode if the boiler is hydraulically integrated in
the heat pump feed. For this application type, the frost protection function must be deactivated
on the Daikin Altherma
M ECH
2
O (parameter [T-Frost Protect] = Off).
11: if the heat pump is in "Cooling" operating mode.
N E 0 - 9 0 1
AUX time AUX switching contact (A) only switches after a delay if the switching condition (see parameter
[AUX Fct]) is present for longer than the set time.
N E 0 - 600 s 120 s 5 s
T-DHW 1 min Storage tank temperature (Tdhw) switching threshold for AUX switching contact (see parame-
ter [AUX Fct]).
N E 20 - 85 °C 50 °C 1 °C
Delta-T CH Target spread for room heating. The heating circulation pump of the Daikin Altherma M ECH
2
O
regulates the flow rate to achieve the target spread stored in the parameter between the target
feed temperature and return temperature (t
V, BH
- t
R1
).
N E 2 - 20 K 7 K 1 K

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