5
CAUTION
Indoor unit and outdoor unit
Do not wash the indoor unit with water,
benzine, thinner or scouring powder to avoid
damage or corrosion at the unit.
Do not use for preservation of precise
equipment, food, animals, plants, artwork
or other objects. This may cause quality
deterioration, etc.
Do not use any combustible equipment in front
of the airfl ow outlet to avoid fi re propagation.
Do not expose plants or pet directly to airfl ow
to avoid injury, etc.
Do not touch the sharp aluminium fi n,
sharp parts may cause injury.
Do not switch ON the indoor unit when waxing
the fl oor. After waxing, aerate the room
properly before operating the unit.
Do not install the unit in oily and smoky areas
to prevent damage to the unit.
Do not dismantle the unit for cleaning purpose
to avoid injury.
Do not step onto an unstable bench when
cleaning the unit to avoid injury.
Do not place a vase or water container on the
unit. Water may enter the unit and degrade the
insulation. This may cause an electric shock.
Do not open window or door for long time during
operation, it may lead to ineffi cient power usage
and uncomfortable temperature changes.
Prevent water leakage by ensuring drainage
pipe is:
- Connected properly,
- Kept clear of gutters and containers, or
- Not immersed in water
After a long period of use or use with any
combustible equipment, aerate the room
regularly.
After a long period of use, make sure the
installation rack does not deteriorate to prevent
the unit from falling down.
Power supply
Do not disconnect the plug by pulling the cord
to prevent electric shock.
WARNING
A2L
This appliance is fi lled with R32
(mild fl ammable refrigerant).
If the refrigerant is leaked and
exposed to an external ignition
source, there is a risk of fi re.
Indoor unit and outdoor unit
The appliance shall be installed, and/or
operated in a room with fl oor area larger than
A
min
(m²) and keep away from ignition sources,
such as heat/sparks/open fl ame or hazardous
areas such as gas appliances, gas cooking,
reticulated gas supply systems or electric
cooking appliances, etc. (Refer to Installation
instructions table for A
min
(m²))
Be aware that refrigerant may not contain an
odour, highly recommended to ensure suitable
fl ammable refrigerant gas detectors are
present, operating and able to warn of a leak.
Keep any required ventilation openings clear of
obstruction.
Do not pierce or burn as the appliance is
pressurized. Do not expose the appliance
to heat, fl ame, sparks, or other sources of
ignition. Else it may explode and cause injury
or death.
Precaution for using R32
refrigerant
The basic installation work procedures are the same as
conventional refrigerant (R410A, R22) models.
Since the working pressure is higher than that
of refrigerant R22 models, some of the piping
and installation and service tools are special.
Especially, when replacing a refrigerant R22
model with a new refrigerant R32 model,
always replace the conventional piping and
fl are nuts with the R32 and R410A piping and
fl are nuts on the outdoor unit side.
For R32 and R410A, the same fl are nut on the
outdoor unit side and pipe can be used.
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