Johnson SUIT Serie Manual De Instrucciones página 50

A[kg]
≤
B[m³]
5) Measures against exceeding the critical concentration
a) To control the refrigerant concentration below the critical concentration, a mechanical air
ventilating device shall be installed (for frequent air ventilating).
b) If frequent air ventilating cannot be realized, please install a leakage warning and detecting
apparatus interlinked with the mechanical air ventilating device.
b.Leak detection alarm device connect to mechanical ventilation
0A
(the leakage warning and detecting apparatus shall be installed in a place with dense refrigerant accumulation)
6.Trial running
critical concentration: 0.3[kg/m³]
Outdoor unit
Indoor unit
Indoor unit
Fig. 6.3
Room of refrigerant leakage
All refrigerant leaked
Fig. 6.2
a.Ventilation port position
23
V.1