Giatsu INVISIBLE GIA-CEN-22KOMP Manuel De L'utilisateur Et D'installation page 42

5) Measures against exceeding the critical concentration
a) To reduce the refrigerant concentration below the critical concentration, install a mechanical ventilation device (for frequent
ventilation).
b) If frequent ventilation cannot be performed, please install a leak warning device interlinked with the mechanical ventilation device.
6.5 Hand over to the client
1) Hand over the Use Manual for the Indoor Unit and the Installation Manual for the Outdoor Unit to the client.
2) Explain the contents of Use and Installation Manual to the client carefully.
Indoor unit
0A
(The leak warning device shall be installed in the gathering place of refrigerant.)
Fig. 6-3 Mechanical Ventilation Device
b. Leak warning device interlinked with the mechanical ventilation device
a. Opening of ventilation
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