MEES18K085
SAF
E
TY HA
NDLIN
G F
O
R R32
8
3. Installation flow chart
SAFETY HANDLING FOR R32
Installation OK
Installation OK
Installation
not allowed
Installation
not allowed
Air-circulation
device required by applicable
regulations is
installed.
Shut-off valves
required by applicable
regulations are installed
additionally.
NO
Small room
installation
(11) Small room installation
(CircAlarm+Shut-off
valves)
NO
NO
NO
<Circulation
requirement>
IEC/GG.10.2
ISO/part3-6.2
<Shut-off valve
requirement>
IEC/GG.12
ISO/part3-6.4
(14) Small room installation
(CircShut-off
valves)
YES
Hydro
unit/HBC is installed
on the ceiling except on the
lowest basement
floor.
Alarm
required by applicable
regulations is installed
additionally.
NO
NO
NO
NO
YES
YES
YES
YES
YES
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.
Hydro
unit/HBC is
installed in the space where
the refrigerant concentration is
less than 0.16 (kg/m
3
)
when refrigerant
leaks.
Two safety
measures: alarm
and shut-off valves required
by applicable regulations, are
installed additionally.
(9) Small room
installation
(Only circulation)
NO
YES
YES
(10) Small room
installation
(CircAlarm)
<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
<Refrigerant
concentration
determination>
IEC/GG.10.4/GG.10.5
ISO/part1-A.5.2.2/A.5.2.3
Installation OK
Installation OK
Installation OK
Installation OK
Installation OK
Installation OK
Installation
not allowed
Installation
not allowed
0000005090.BOOK 8 ページ ２０１８年１２月２７日 木曜日 午前１０時３分
