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Heat Pump, Split System, Single Service, 3 phase
3.3.2 Auto Adapt Adjustment
When this function has been activated (setting 726)
the heating curve is automatically adjusted, and
therefore, there is no need to change the slope or
offset of the heating curve.
In order for the auto adapt feature to be operational:
•
a room sensor must be connected
•
the room influence parameter must be set
between 1 and 99 (setting 750) (depending on
the system, the room sensor may influence the
heating curve adjustment to a greater or lesser
extent)
3.4
Control of Electric Backups
EJP lock signal (l 2920)
HEAT PUMP
DHW auxiliary
1st stage elec. auxiliary
2nd stage elec. auxiliary
Boiler backup
(1) subject to authorization by EX5
(2) provided the outdoor temperature is less than the setting on "2884 or 3700" (+2° from the beginning)
3.5
Domestic Hot Water
The heat pump may be connected to a combined
heating device (heat exhanger + electric auxiliaries)
for domestic hot water.
DHW handling requires a DHW kit. This kit includes a
3-way selection valve and a temperature sensor.
20
H 3
Outdoor
Load-shedding (EJP)
Unit Fault
(370)
0 V
230 V
"released"
OFF
ON
ON
ON (1)
ON
OFF
ON (2)
ON
OFF
ON (2)
ON
OFF
ON (2)
ON
ON
•
the room in which the room sensor is installed
must not contain any thermostatic valves. If it
does, these valves must be fully opened.
This function may cause some feeling of discomfort.
This is because in order for the function to be valid,
the system needs time to stabilize, which can take
more or less time depending on the weather
conditions. In general it takes at least a week, without
the room temperature setpoint being changed, for the
auto-adaptive control to be operational.
EX 4
Off-peak/peak
230 V
0 V
"
"
locked
OFF
ON
OFF
ON
OFF
ON
OFF
ON
ON
ON
Warning: the maximum DHW temperature reached
with the heat pump does not exceed 60°C. Therefore,
the tank must be equipped with an electric auxiliary,
especially for legionella protection cycles.
EX 5
EX 6
External fault
hours
(369)
230 V
0 V
230 V
ON
ON
OFF
OFF
ON
OFF
ON
ON
OFF
ON
ON
OFF
ON
ON
OFF
Maintenance Document 1394-1
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