Daikin EHYKOMB33AA2 [60/136] Configuration

Daikin EHYKOMB33AA2 [60/136] Configuration
8 Configuration
Installer reference guide
60
EVLQ05+08CAV3 + EHYHBH05AA + EHYHBH/X08AA +
EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1A – 2016.02
# Code Description
[7.7.2.2] [0‑04]
[0‑05]
[0‑06]
[0‑07]
<< continuation
[0‑07]: Low outdoor ambient
temperature. 10°C~25°C (default:
20°C)
[0‑06]: High outdoor ambient
temperature. 25°C~43°C (default:
35°C)
[0‑05]: Desired leaving water
temperature when the outdoor
temperature equals or drops below
the low ambient temperature.
Between minimum and maximum
leaving water temperature
[9‑07]°C~[9‑08]°C (default: 12°C).
Note: This value should be higher
than [0‑04] as for low outdoor
temperatures less cold water
suffices.
[0‑04]: Desired leaving water
temperature when the outdoor
temperature equals or rises above
the high ambient temperature.
Between minimum and maximum
leaving water temperature
[9‑07]°C~[9‑08]°C (default: 8°C).
Note: This value should be lower
than [0‑05] as for high outdoor
temperatures colder water is
required.
Pump control: Flow target
The hybrid module is designed to operate with a fixed flow. This
means that the pump is controlled to work at a flow target set by the
installer. The installer can set the flow target for:
heat pump only operation,
hybrid operation,
gas boiler only operation.
# Code Description
N/A [8‑0B] Target flow rate during heat pump
operation.
The default value is set to deliver the
nominal capacity of the heat pump with
a ΔT over the emitter of 5°C. Decrease
this value if the room temperature is
constantly higher than the desired room
temperature. Increase this value if you
feel discomfort in heat pump only
operation.
Range: 10~20l/min
For EHYHBH05: 13l/min (default)
For EHYHBH/X08: 15l/min (default)
The default values have been set to
optimise comfort and performance.
Take care when changing them.
# Code Description
N/A [8‑0C] Target flow rate during hybrid
operation.
The default value is chosen the same
as the target flow rate during boiler
operation. Decrease this value if the
room temperature is constantly higher
than the desired room temperature.
Increase this value if you feel
discomfort in hybrid operation.
Range: 10~20l/min
For EHYHBH05: 13l/min (default)
For EHYHBH/X08: 15l/min (default)
The default values have been set to
optimise comfort and performance.
Take care when changing them.
N/A [8‑0D] Target flow rate during gas boiler
operation.
The default value is chosen to deliver
the nominal capacity of the gas boiler
with a ΔT over the emitter of 20°C.
Decrease this value if the room
temperature is constantly higher than
the desired room temperature. Increase
this value if you feel discomfort in gas
boiler only operation.
10~20l/min (default: 16l/min)
The default value has been set to
optimise comfort and performance.
Take care when changing them.
Leaving water temperature: Modulation
Modulation lowers or raises the desired leaving water temperature in
function of the desired room temperature and the difference between
this temperature and the actual room temperature. This results in:
stable room temperatures exactly matching the desired
temperature (high comfort level),
less On/OFF cycles (low noise level, high comfort and efficiency
levels)
as low as possible leaving water temperatures (high efficiency).
This function is only applicable in case of room thermostat control
and is used to calculate the leaving water temperature. After
activation, the leaving water temperature can only be read on the
user interface, but not changed. Turn OFF modulation to change it.
The leaving water temperature can either be a fixed setpoint, or an
offset in case of weather-dependent setpoint.
# Code Description
[A.3.1.1.5] [8‑05] Modulated LWT:
No: disabled.
Note: The desired leaving water
temperature needs to be set on the
user interface.
Yes (default): enabled.
Note: The desired leaving water
temperature can only be read out on
the user interface
N/A [8-06] Leaving water temperature maximum
modulation:
0°C~10°C (default: 5°C)
Requires modulation to be enabled.
This is the value by which the desired
leaving water temperature is increased
or lowered.

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