5 Configuration
Installation manual
19
08SU EHVH08~16SU26CB6W
Daikin Altherma – Low temperature split
4P449980-1B – 2016.11
Leaving water temperature: Modulation
#
Code
Description
[A.3.1.1.5]
[8-05]
Leaving water temperature modulation:
▪ 0 (No): Disabled
▪ 1 (Yes): Enabled. The leaving water
temperature is calculated according
to the difference between desired
and actual room temperature.
This allows better matching of the
heat
pump
capacity
to
actual
required capacity and results in less
start/stop cycles of the heat pump
and more economic operation.
N/A
[8-06]
Leaving water temperature maximum
modulation:
0°C~10°C (default: 3°C)
Requires modulation to be enabled.
This is the value by which the desired
leaving water temperature is increased
or lowered.
INFORMATION
When leaving water temperature modulation is enabled,
the weather‑dependent curve needs to be set to a higher
position than [8-06] plus the minimum leaving water
temperature setpoint required to reach a stable condition
on the comfort setpoint for the room. To increase
efficiency, modulation can lower the leaving water setpoint.
By setting the weather‑dependent curve to a higher
position, it cannot drop below the minimum setpoint. Refer
to the illustration below.
a
+[8-06]
−[8-06]
b
Ta
Tt
a
Weather-dependent curve
b
Minimum leaving water temperature setpoint required to
reach a stable condition on the comfort setpoint for the
room.
Leaving water temperature: Emitter type
#
Code
Description
[A.3.1.1.7]
[9-0B]
Reaction time of the system:
▪ 0: Quick.
Example:
Small water
volume and fan coils.
▪ 1: Slow.
Example:
Large water
volume, floor heating loops.
Depending on the system water volume
and the heat emitters type, the heat up
of a space can take longer. This setting
can compensate for a slow or a quick
heating system by adjusting the unit
capacity during the heat up cycle.
5.2.6
Domestic hot water control
CAUTION
Only for EHVH_SU_CB6W models.
When using the domestic hot water tank to produce hot
water, do NOT turn OFF the heat pump.
Reason:
the
electrical backup heater from the space heating circuit is
used during disinfection of the domestic hot water tank.
#
Code
Description
[A.4.1]
[6-0D]
Domestic hot water Type:
▪ 0 (Reheat only): Only reheat operation
is allowed.
▪ 1 (Reheat + sched.): Same as 2, but
between the scheduled heatup cycles,
reheat operation is allowed.
▪ 2 (Scheduled only): The domestic hot
water tank can ONLY be heated
according to a schedule.
[A.4.5]
[6-0E]
The maximum temperature that users
can select for the domestic hot water.
You can use this setting to limit the
temperature at the hot water taps.
INFORMATION
There is a risk of space heating capacity shortage/comfort
problem (in case of frequent domestic hot water operation,
frequent and long space heating interruption will happen)
when selecting [6‑0D]=0 ([A.4.1] Domestic hot water
Type=Reheat only).
5.2.7
Contact/helpdesk number
#
Code
Description
[6.3.2]
N/A
Number that users can call in case of
problems.
