10
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Maintenance and service
Installer and user reference guide
35
R R8T7V1B
VRV IV heat pump for indoor installation
4P499898-1A – 2020.10
10 Maintenance and service
NOTICE
NEVER inspect or service the unit by yourself. Ask a qualified service person to
perform this work.
WARNING
NEVER replace a fuse with a fuse of a wrong ampere ratings or other wires when a
fuse blows out. Use of wire or copper wire may cause the unit to break down or
cause a fire.
CAUTION
Do NOT insert fingers, rods or other objects into the air inlet or outlet. Do NOT
remove the fan guard. When the fan is rotating at high speed, it will cause injury.
CAUTION: Pay attention to the fan!
It is dangerous to inspect the unit while the fan is running.
Be sure to turn off the main switch before executing any maintenance task.
CAUTION
After a long use, check the unit stand and fitting for damage. If damaged, the unit
may fall and result in injury.
NOTICE
Do NOT wipe the controller operation panel with benzine, thinner, chemical dust
cloth, etc. The panel may get discoloured or the coating peeled off. If it is heavily
dirty, soak a cloth in water-diluted neutral detergent, squeeze it well and wipe the
panel clean. Wipe it with another dry cloth.
In this chapter
10.1 Maintenance after a long stop period
E.g., at the beginning of the season.
▪
Check and remove everything that might be blocking inlet and outlet vents of
indoor units and heat exchanger unit.
▪
Clean air filters and casings of indoor units and heat exchanger unit. Contact your
installer or maintenance person to clean the air filters and casings of the indoor
units and the heat exchanger unit. Maintenance tips and procedures for cleaning
are provided in the installation/operation manuals of dedicated indoor units.
Make sure to install cleaned air filters back in the same position.
Содержание VRV IV RKXYQ5T8Y1B Series
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