Atlantic alfea S5 Manuel d'utilisation - Page 4
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1.2
Precautions and warnings regarding
your installation.
1.2.1 The outdoor unit
The outdoor unit contains the equipment for capturing
energy from the ambient air.
Your installer has placed this unit in a location that
enables it to operate in an optimum manner.
Nothing should obstruct the air circulation through the
evaporator and from the fan.
The control system for your heating system is designed
in flow temperature for the water based on the outdoor
temperature (water control).
In cold periods, this water freezes in contact with the
exchanger and is drained away by regular defrosting
cycles.
The control system automatically controls the defrosting
cycle, whose operation can lead to the quite normal
emission of steam.
1.2.2 The hydraulic unit
The hydraulic unit contains the heat pump complete
control system, in charge of controlling the heating
comfort level and the production of domestic hot water
(if the installation is fitted with a DHW tank with electrical
back-up heating).
The heat pump is equipped with an electric back-up
system, which is designed to provide additional heat
during the coldest periods.
1.2.3 Control system
Your installer has carefully adjusted your installation. Do
not modify setting parameters without his agreement. If
in doubt, do not hesitate to contact him.
The control system for your heating system is designed
in flow temperature for the water based on the outdoor
temperature (water control).
The installation of a room thermostat (option) allows to
improve operation of the regulation (the influence of the
room temperature is taken into account).
1.2.4 Fan convectors with integrated control system
Do not use a room sensor in the area.
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1.2.5 The radiators
To ensure the function of the regulation with room
influence, it's necessary that the room in which the room
thermostat is installed has no thermostatic valve or that
they must be completely open.
1.2.6 Floor-heating systems
New floor-heating systems require to be initially heated
slowly to avoid any problems with cracking. Check
with your installer that this initial heating procedure
has indeed been performed before using your heating
system freely.
To be efficient, floor-heating systems do not need to
be very hot and never should be. At most, the systems
should be warm to the touch in cold weather.
The great stability in a regulation system for floor-heating
systems avoids sharp differences in temperature.
However, this stability involves a reaction time of the
order of several hours, (approx 6 hours).
Any changes to the setting must be made slowly, leaving
the installation time to react. Adjusting the system to
exaggerated setting or in an untimely manner always
results in significant temperature fluctuations during
course of the day.
Similarly if your dwelling has a floor-heating system,
do not reduce the heating or switch it off if you will be
absent for a short period. The reheating period is always
quite long (approx 6 hours).
1.2.7 Domestic hot water (DHW)
This function is designed as an option through the use
of a DHW tank with electrical backup heating.
When the DHW production is required, the heat pump
adapts to this demand with higher priority.
No space heating is produced while the domestic hot
water is being prepared.
Domestic hot water (DHW) is produced by the heat
pump and then topped up, if necessary, by electrical
backup heating or the boiler.
To ensure a DHW setting over 45°C, the electrical
backup heating or the boiler must be left on.
The electrical backup heating enables anti-legionella
cycles to be conducted efficiently.
Operation manual "1328 - EN"