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General safety precautions
2.1.2 Installation site
2.1.3 Refrigerant — in case of R410A or R32
Installer and user reference guide
8
Also, at least, following information MUST be provided at an accessible place at the
product:
▪
Instructions for shutting down the system in case of an emergency
▪
Name and address of fire department, police and hospital
▪
Name, address and day and night telephone numbers for obtaining service
In Europe, EN378 provides the necessary guidance for this logbook.
▪
Provide sufficient space around the unit for servicing and air circulation.
▪
Make sure the installation site withstands the weight and vibration of the unit.
▪
Make sure the area is well ventilated. Do NOT block any ventilation openings.
▪
Make sure the unit is level.
Do NOT install the unit in the following places:
▪
In potentially explosive atmospheres.
▪
In places where there is machinery that emits electromagnetic waves.
Electromagnetic waves may disturb the control system, and cause malfunction of
the equipment.
▪
In places where there is a risk of fire due to the leakage of flammable gases
(example: thinner or gasoline), carbon fibre, ignitable dust.
▪
In places where corrosive gas (example: sulphurous acid gas) is produced.
Corrosion of copper pipes or soldered parts may cause the refrigerant to leak.
If applicable. See the installation manual or installer reference guide of your
application for more information.
DANGER: RISK OF EXPLOSION
Pump down – Refrigerant leakage. If you want to pump down the system, and there
is a leak in the refrigerant circuit:
▪
Do NOT use the unit's automatic pump down function, with which you can collect
all refrigerant from the system into the outdoor unit. Possible consequence: Self-
combustion and explosion of the compressor because of air going into the
operating compressor.
▪
Use a separate recovery system so that the unit's compressor does NOT have to
operate.
WARNING
During tests, NEVER pressurise the product with a pressure higher than the
maximum allowable pressure (as indicated on the nameplate of the unit).
WARNING
Take sufficient precautions in case of refrigerant leakage. If refrigerant gas leaks,
ventilate the area immediately. Possible risks:
▪
Excessive refrigerant concentrations in a closed room can lead to oxygen
deficiency.
▪
Toxic gas might be produced if refrigerant gas comes into contact with fire.
FXHA-A
VRV system air conditioner
4P673749-1A – 2022.11
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