R410A All DC Inverter V4+S Series 60Hz MCAC-VTSM-2015-09
124 Installation
2. Total refrigerant charge = delivered refrigerant charge (nameplate) + supplemental refrigerant charge
3. Calculate the indoor volume (B) (as the minimum volume)
4. Calculate the refrigerant thickness.
A/B ≤ critical thickness 0.3kg/m
3
(0.02Ibs./ft
3
)
Countermeasures for high refrigerant thickness
1. Install mechanical ventilator to reduce the refrigerant thickness under critical levels. (Ventilate regularly)
2. Install leakage detector alarming device related to mechanical ventilator if you cannot regularly ventilate.
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