Commercial Air Conditioning & Heating Units | Lennox ...

Mar 31, 2017 · The power supply to the outdoor unit shall be 208-230 volts, single phase, 60 Hz. Refrigerant. Refrigerant shall be non-chlorine, ozone friendly R-410A. Each unit shall be pre-charged from the factory with a holding charge. Additional refrigerant shall be added in the field in accordance with manufacturer’s recommendations. ................
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