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Installation of Outside Unit
1. Information for Refrigerant
1.2 Caution For Refrigerant Leaks
< Needs to Calculation of Refrigeran concentration >
Outdoor unit
< Calculation of Room Space >
Indoor unit
< Countermeasure
when concentration is exceed >
(No.1 system)
Indoor unit
Outdoor unit
Indoor unit
Opening
In the case of opening without door,
or openings both above and below door
which is more than 0.15 % to floor space)
Countermeasure 2
Flow of
refrigerant
Outdoor unit
Smallest
Partition
room
Gas leak alarm
Mechanical ventilator
Indoor unit
Countermeasure 1
2
Installation
Room where refrigerant leaks
(Refrigerant of the whole No.1
system flows out.)
: Range ov Room space
Outdoor unit
Indoor unit
Opening effective to ventilation
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