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1.4 WIRING.
Do not connect the fan coil to the supply voltage until wir-
ing has been completed and the pipes have been connected.
Earth the fan coil.
Do not connect the earthing cable to the gas or water pipes,
to the lighting cable or to the telephone earthing wire. In-
complete earthing can cause an electric shock.
Install a differential switch.
Failure to install this circuit breaker can cause electric
shocks.
Install the indoor units, wire the supply voltage and connect
the cables at a minimum of 1 metre from the television or
radio so as to prevent interferences or noises in the images.
Based on the type of radio waves, a distance of 1 metre may
not be far enough to completely eliminate the noise.
Internal Unit power supply 220-240V~50Hz
XT1
Key:
1 - Not usable
2 - ON/OFF control from Hydro
For electrical work, comply with the national and local
regulations on wiring and follow these installation in-
structions. Use a dedicated electrical circuit for power.
If the capacity of the electrical circuit is insufficient or is
faulty, this could cause an electric shock or a fire.
Use the specified cable, connect it and fasten it firmly to
prevent any external force from interfering on the ter-
minal.
Incorrect connection or improper fastening of the wire
may result in overheating or a connection fire.
Prepare the wiring traces properly so that the control
panel cover can be correctly fixed.
Incorrect fastening of the control panel cover can cause
overheating at the terminal connection point, a fire or an
electric shock.
If the power cable is damaged, it must be replaced
by the manufacturer, by one of its specialised
technicians, or by another qualified person.
An all-pole disconnect switch with a contact dis-
tance of at least 3 mm on all poles must be used
in the wiring with nominal current operating
values of at least 10mA, in compliance with national leg-
islation.
G/Y
X Y E
1
Colour code key:
BK - Black
BL - Blue
GY - Grey
G / Y - Yellow / Green
RD - Red
WH - White
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