Second heating circuit
- Refer to the instructions supplied with the 2 circuit
hydraulic kit.
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The purpose of load shedding is to reduce the electrical
consumption when it is too high compared to the
contract with the energy supplier.
- Connect the load shedder to input EX1, the heat pump
will be shut down if there is any overconsumption in
the housing. The gas generator will provide the heating
and domestic hot water production.
230 V on input EX1 = load shedding in progress
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Faults outside the heat pump
All information devices (thermostat, pressure switch,
etc.) may indicate an external problem and stop the
heat pump.
- Connect the external device to input EX3.
230 V on input EX3 = heat pump shutdown (the system
displays error 369).
2.16 Outdoor sensor
The Outdoor sensor is required for the correct operation
of the heat pump.
Consult the assembly instructions on the packaging of
the sensor.
Place the sensor on the front panel that is the worst
exposed, in general the North or North west front panel.
Under no circumstances must it be exposed to the sun
in the morning.
It is to be installed so that it is easily accessible but at
least 2.5 m from the ground.
Avoid sources of heat such as chimneys, the tops of
doors or windows, nearby extraction ducts, underneath
balconies and porches, that would insulate the sensor
from the variations in the temperature of the air outdoors.
- Connect the external sensor to the
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remote
connector.
2.17
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The ambient sensor (the central ambient unit) is optional.
Consult the assembly instructions on the packaging of
the sensor.
The sensor must be installed in the living area, on an open
wall. It is to be installed so that it is easily accessible.
Avoid sources of direct heat (chimney, television, cooker,
sunlight) and areas exposed to draughts (ventilation,
doors).
Draughts due to the building usually cause cold air to
enter via the electrical ducts. Seal the electrical ducts if
there is a cold draught at the back of the ambient sensor.
2.17.1
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Ambient sensor T37 :
- Connect the sensor to the
;
connector of the
RVS regulation board using the connector provided
(terminals
%
,
M
and
%
).
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the sensor is
connected to the board that corresponds to the
regulated heating circuit.
Ambient sensor T55:
- Connect the sensor to the
;
connector of the
RVS regulation board using the connector provided
(terminals
).
2.17.2
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Central ambient unit T75:
- Connect the sensor to the
;
connector of the
RVS regulation board using the connector provided
(terminals
and
3
).
Central ambient unit T78:
- The radio central ambient unit antenna may be
installed on the wall or the rear cladding.
- Connect the radio central ambient unit to the
;
connector.
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assembly on the wall
OR
assembly on the hydraulic
module
Installation and commissioning instructions "1485 - EN"
Heat pump alféa hybrid duo gas
- 40 -
