2 | User safety instructions
User reference guide
9
EWAA004~008D + EWYA004~008D
Packaged air-cooled water chillers
and packaged air to water heat pumps
4P688016-1A – 2022.09
WARNING
▪ The refrigerant inside the unit is mildly flammable, but
normally does NOT leak. If the refrigerant leaks in the
room and comes in contact with fire from a burner, a
heater, or a cooker, this may result in fire, or the
formation of a harmful gas.
▪ Turn OFF any combustible heating devices, ventilate the
room, and contact the dealer where you purchased the
unit.
▪ Do NOT use the unit until a service person confirms that
the part from which the refrigerant leaked has been
repaired.
WARNING
Air purging heat emitters or collectors. Before you purge
air from heat emitters or collectors, check if or is
displayed on the home screen of the user interface.
▪ If not, you can purge air immediately.
▪ If yes, make sure that the room where you want to
purge air is sufficiently ventilated. Reason: Refrigerant
might leak into the water circuit, and subsequently into
the room when you purge air from the heat emitters or
collectors.
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