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Safety Precautions
y Before starting to use the system, read carefully this "SAFETY PRECAUTIONS" to ensure a proper operation of the system.
y Safety precautions described here are classified to "
column of "
WANING" means that an improper handing could lead to a grave result like a death, serious injury, etc. However,
even if precautions are shown in the column of "
Make sure to observe these safety precautions faithfully because they are very important information to ensure the safety.
y Symbols which appear frequently in the text have following meanings.
Strictly prohibited.
When you have read through the manual, keep it always at hand for read consultation. If the operator is replaced, make sure to
hand over this manual to the new operator.
CAUTIONS FOR INSTALLATION
The system should be applied to places
as office, restaurant, residence and the
like.
Application to inferior environment such
as an engineering shop, could cause
equipment malfunction and serious injury
or death.
Do not install nearby the place where may
have leakage of flammable gas.
If the gas leakes and gathers around, it
may cause the fire.
Where strong winds may prevail, the
system should be fixed securely to
prevent a collapse.
Bodily injury could result by a collapse.
y Installation Precautions
T he area of the room in which R32 refrigerant air conditioner is installed cannot be less than the minimum area specified in the
table below, to avoid potential safety problems due to out-of-limit of refrigerant concentration inside the room caused by leakage
of refrigerant from refrigeration system of the indoor unit.
O nce the horn mouth of connecting lines is fastened, it may not be used again (the air tightness may be affected).
A whole connector wire shall be used for indoor/outdoor unit as required in the operation specification of installation process
and operation instructions.
LFL
Type
kg/m3
R32
0.306
CAUTION", a very serious problem could occur depending on situation.
Observe instructions faithfully.
The system should be installed by your
dealer or a professional installer.
Installation by yourself is not encouraged
because it could cause such problems
as water leakage, electrical shock or fire
accident by some improper handing.
Depending on the place of installation, a
circuit breaker may be necessary.
Unless the circuit breaker is installed, it
could cause elecrical shocks.
Install on the place where can endure
the weight of air conditioner.
Bodily injury could result by a careless
installation.
Minimum Room Area
hv
m
1.224
1.836
0.6
29
1.0
10
1.8
3
2.2
2
WARNING" and "
CAUTION". Precautions which are shown in the
WARNING
When you need some optional devices such
as a humidifier, electric heater, etc., be sure
to use the products which are recommended
by us. These devices should be attached by
a professional installer.
Installation by yourself is not encouraged
because it could cause such problems
as water leakage, electrical shock or fire
accident by some improper handing.
WARNING
Drain pipe should be arranged to provide a
positive draining.
If the pipe is arranged improperly, furniture or
the likes may be damaged by leaked water.
Make sure the system is grounded.
Grounding cable should never be connected
to a gas pipe, city water pipe, lightning
conductor rod or grounding cable of
telephone. If the grounding cable is not set
properly, it could cause electric shocks.
WARNING!
Total Mass Charged/kg
Minimum Room Area/m
2.448
3.672
51
116
19
42
6
13
4
9
6
Provide a positive grounding.
2
4.896
6.12
7.956
206
321
543
74
116
196
23
36
60
15
24
40
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