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In units with capacitors and/or inverters, certain components can remain live for several minutes even
after having turned off the main switch.
Wait 10 minutes before working on the electrical parts of the unit.
Circuits supplied from external sources (made with orange cable) can remain live even after the power
supply to the unit has been turned off.
Work on the unit only if there is sufficient lighting for the type of work to be carried out.
The law regulating the use of stratospheric ozone depleting substances prohibits the release of
refrigerant gases into the environment and obliges owners to recover and return them to the dealer or
take them to special collection centres at the end of their operational life.
The refrigerant contained in the refrigerant circuit is included among the substances subject to special
control regulations provided for by law and must therefore be disposed of as indicated above.
Particular care should be taken during maintenance operations in order to reduce refrigerant leaks as
much as possible.
2.1.1
Discharge of the safety valves
If present on the refrigerant circuit, installation requirements and/or national regulations lay down that the discharge
of the safety valves must be routed to the outside.
The conveying must be done with a pipe whose diameter must be at least that of the valve outlet, and the weight of
the pipe must not be borne by the valve.
Always direct the discharge to areas where the jet cannot cause harm to anyone.
Risk of burns following contact with hot and cold parts.
We reserve the right to make changes without any prior notice.
UATYQ*Y1
Packaged Rooftop
4P522680-1
Translation from original instructions
Installation manual
9
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