MEES18K085
SAF
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TY HA
NDLIN
G F
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R R32
6
3. Installation flow chart
SAFETY HANDLING FOR R32
3. Installation flow chart
Using the flowchart, make sure the installation restrictions that apply to R32 HVRF models are met.
Even if "Installation OK" is reached in the flowchart, see "Installation chart annex".
*This flow chart was created based on IEC60335-2-40 (ver. 6) and ISO5149 (2014).
Ventilation
system is located in the
space where Hydro unit/HBC
is installed.
The
ventilation ratio of the
ventilation system is 4
times or more.
The
extraction opening
of the ventilation system is
located at the height of
100mm or lower from
the floor.
Hydro
unit/HBC is
installed in the space where
the refrigerant concentration is less
than 0.063 (kg/m
3
) when
refrigerant
leaks.
Hydro
unit/HBC is installed
in the space where the
refrigerant concentration is less
than 0.16 (kg/m
3
) when
refrigerant
leaks.
Unauthorized
person is prohibited to enter
the space where Hydro unit/HBC
is installed.
Combustion
equipment is NOT placed in
the space where Hydro unit/HBC
is installed.
Hydro
unit/HBC is installed at
the height of 1.8m or
higher.
Hydro
unit/HBC is installed on
the ceiling of a space except on
the lowest basement
floor.
Alarm
required by applicable
regulations is installed
additionally.
START
START
Installation OK
Installation OK
(1) Machinery room
installation
(Continuous ventilation)
Machinery room
installation
Small room
installation
NO
NO
NO
NO
NO
Installation OK
Installation OK
(2) Small room
installation
(No safety measures)
Installation OK
Installation OK
(3) Small room
installation
(Alarm)
NO
NO
NO
NO
NO
<Air volume
requirement>
IEC/GG.5
ISO/part3-5.13.2
<Lowest
basement floor
requirement>
IEC/GG.10.3.1
ISO/part1-A.5.2.2
<Alarm
requirement>
IEC/GG.13
ISO/part3-8
<Refrigerant
concentration
determination>
IEC/GG.10.4
/GG.10.5
ISO/part1-A.5.2.2
/A.5.2.3
<Circulation
requirement>
IEC/GG.10.2
<Extraction opening
requirement>
IEC/GG.8.3.3
ISO/
part3-5.13.1 and 5
<Restricted access
requirement>
IEC/GG.5
ISO/part1-3.2.5
(part3-5.1)
<Combustion
equipment restriction>
IEC/GG.5
ISO/part3-5.14.3
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
0000005090.BOOK 6 ページ ２０１８年１２月２７日 木曜日 午前１０時３分
