EAS ELECTRIC EDHP220EX Manual De Instalación página 49

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.L
(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
eak detection alarm device connect to mechanical ventilation
Indoor unit
0A
Fig. 6.3
Room of refrigerant leakage
All refrigerant leaked
Fig. 6.2
a.Ventilation port position
21
V.1