MAJOR LINE
EN - 28
Its maximal diameter must be 12 mm. It must be clamped at low speed with a torque
not exceeding 0.8 Nm.
Connection
Connect the electrical connections to the connectors as per the wiring diagram below,
and lock the wires using the special cable grommets.
IMPORTANT: Connect the earth before making any other connections.
Check that the stripped section of the GREEN/YELLOW cable is longer than the
others.
The electrical connection cables must be type H05 VVF with PVC insulation in
accordance with the standard EN 60335-2-40.
The power cable must have a minimum cross section of 2.5 mm².
If the indoor unit is equipped with electric heating, there is just one power supply; in
this case, ensure that the power cable is correctly sized.
General safety instructions for units with electric heating elements:
l Fan-controlled operation: the electrical heater (1 or 2 elements) must always be
fan-controlled. Power to the electric heating elements should be cut and post-
ventilation activated whenever the fan motor assembly is stopped intentionally or
unintentionally.
l To ensure the hot water and electrical heaters work correctly when used
simultaneously, we recommend only low temperature settings are used to ensure
our safety devices operate correctly.
l Units equipped with heaters are protected against accidental overheating by 2
temperature limiter thermostats (fig. 14, rep. a), always fitted on the electrics box
side. Do not reset these thermostats until the potential causes of the overheating
have been checked:
10
100
Max Ø 12
Power cable
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