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Configuration
Installer reference guide
117
EPGA11~16DAV3(7) + EA23DA6V(7)+9W
Daikin Altherma 3 H F
4P556075-1A – 2021.09
INFORMATION
If the main zone or the additional zone has a heating demand, and this zone is
equipped with radiators, then the target delta T that the unit will use in heating
operation will be 8°C fixed.
If the zones are not equipped with radiators, then in heating the unit will give priority
to the target delta T for the additional zone, if there is a heating demand in the
additional zone.
In cooling the unit will give priority to the target delta T for the additional zone, if
there is a cooling demand in the additional zone.
#
Code
Description
[2.B.1]
[1‑0B]
Delta T heating
: A minimum temperature
difference is required for proper operation of
heat emitters in heating mode.
▪
If [2-0C]=2, this is fixed to 8°C
▪
Else: 3°C~10°C
[2.B.2]
[1‑0D]
Delta T cooling
: A minimum temperature
difference is required for proper operation of
heat emitters in cooling mode.
▪
3°C~10°C
Leaving water temperature: Modulation
Only applicable in case of room thermostat control.
When using the room thermostat functionality, the customer needs to set the
desired room temperature. The unit will supply hot water to the heat emitters and
the room will be heated.
Additionally, also the desired leaving water temperature must be configured: if
Modulation
is enabled, the unit automatically calculates the desired leaving
water temperature. These calculations are based on:
▪
the preset temperatures, or
▪
the desired weather-dependent temperatures (if weather-dependent is enabled)
Moreover, with
Modulation
enabled, the desired leaving water temperature is
lowered or raised in function of the desired room temperature and the difference
between the actual and the desired room temperature. This results in:
▪
stable room temperatures, exactly matching the desired temperature (higher
comfort level)
▪
less on/off cycles (lower noise level, higher comfort and higher efficiency)
▪
water temperatures as low as possible to match the desired temperature (higher
efficiency)
If
Modulation
is disabled, set the desired leaving water temperature via [2]
Main
zone
.
#
Code
Description
[2.C.1]
[8‑05]
Modulation
:
▪
0
No
(disabled)
▪
1
Yes
(enabled)
Note:
The desired leaving water temperature
can only be read out on the user interface.
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