7
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Before operation
Installer and user reference guide
24
RWEYQ8~14T9Y1B
VRV IV water-cooled system air conditioner
4P452191-1B – 2020.10
7 Before operation
WARNING
This unit contains electrical and hot parts.
WARNING
Before operating the unit, be sure the installation has been carried out correctly by
an installer.
NOTICE
NEVER inspect or service the unit by yourself. Ask a qualified service person to
perform this work.
CAUTION
It is unhealthy to expose your body to the air flow for a long time.
CAUTION
To avoid oxygen deficiency, ventilate the room sufficiently if equipment with burner
is used together with the system.
CAUTION
Do NOT operate the system when using a room fumigation-type insecticide.
Chemicals could collect in the unit, and endanger the health of people who are
hypersensitive to chemicals.
NOTICE
Be sure to turn ON the power 6 hours before operation in order to have power
running to the crankcase heater and to protect the compressor.
This operation manual is for the following systems with standard control. Before
initiating operation, contact your dealer for the operation that corresponds to your
system type and mark. If your installation has a customised control system, ask
your dealer for the operation that corresponds to your system.
Operation modes (depending on indoor unit type):
▪
Heating and cooling (air to air).
▪
Fan only operation (air to air).
▪
Heating and cooling (air to water).
▪
Domestic hot water operation
Dedicated functions exist depending on the type of indoor unit, refer to dedicated
installation/operation manual for more information.
