8 Configuration
Installer reference guide
61
ERGA04~08DAV3(A) + EHBH/X04+08DA
Daikin Altherma – Low temperature split
4P496758-1 – 2017.12
CAUTION
If there are 2 zones and the emitter types are wrongly
configured, water of high temperature can be sent towards
a low temperature emitter (underfloor heating). To avoid
this:
▪ Install an aquastat/thermostatic valve to avoid too high
temperatures towards a low temperature emitter.
▪ Make sure you set the emitter types for the main zone
[2.7] and for the additional zone [3.7] correctly in
accordance with the connected emitter.
Pump operation mode
When the space heating/cooling operation is OFF, the pump is
always OFF. When space heating/cooling operation is ON, you have
the choice between these operation modes:
# Code Description
[4.5] [F–0D] Pump operation mode:
▪ 0 Continuous: Continuous pump
operation, regardless of thermo ON or
OFF condition. Remark: Continuous
pump operation requires more energy
than sample or request pump
operation.
▪ a: Space heating/cooling control
▪ b: Off
▪ c: On
▪ d: Pump operation
[4.5] [F-0D] ▪ 1 Sample: The pump is ON when
there is heating or cooling demand as
the leaving water temperature has not
yet reached the desired temperature
yet. When thermo OFF condition
occurs, the pump runs every 3 minutes
to check the water temperature and
demand heating or cooling if
necessary. Remark: Sample is ONLY
available in leaving water temperature
control.
▪ a: Space heating/cooling control
▪ b: Off
▪ c: On
▪ d: LWT temperature
▪ e: Actual
▪ f: Desired
▪ g: Pump operation
# Code Description
[4.5] [F-0D] ▪ 2 Request: Pump operation based on
request. Example: Using a room
thermostat and thermostat creates
thermo ON/OFF condition. Remark:
NOT available in leaving water
temperature control.
▪ a: Space heating/cooling control
▪ b: Off
▪ c: On
▪ d: Heating demand (by external
room thermostat or room
thermostat)
▪ e: Pump operation
Unit type
In this part of the menu it can be read out which type of unit is used:
# Code Description
[4.6] N/A Unit type:
▪ 1 Cooling only
▪ 2 Heating only
▪ 3 Reversible
Pump limitation
Pump speed limitation [9‑0D] defines the maximum pump speed. In
normal conditions, the default setting should NOT be modified. The
pump speed limitation will be overruled when the flow rate is in the
range of the minimum flow (error 7H).
# Code Description
[4.7] [9-0D] Pump limitation:
▪ 0: No limitation
▪ 1~4: General limitation. There is
limitation in all conditions. The
required delta T control and comfort
are NOT guaranteed.
▪ 5~8: Limitation when no actuators.
When there is no heating output, the
pump speed limitation is applicable.
When there is heating output, the
pump speed is only determined by
delta T in relation to the required
capacity. With this limitation range,
delta T is possible and the comfort is
guaranteed.
The maximum values depend on the unit type:
Final English - Tanslations in progress
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