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2 General Instructions ................................................... . 5 Operating Controls .................................................... 12 Before Calling Service .............................................. When Service Is Required ........................................ Any Questions? .......................................................... Through-The-Wall Installation Instructions ............. 15 16 16 17 encounter problems during installation, call our line at (517) 787-

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Recovery equipment rated for R410a must be used. Recovery cylinders must have a service pressure rating of 400 psig (DOT 4BA 400 and DOT 4BW 400 are acceptable). DO NOT USE STANDARD DOT RECOVERY OR STORAGE CYLINDERS WITH A 300 PSIG RATING WITH R410A! As stated earlier, a specifi c gauge set for use with R410a is required. These will allow pressure measurements to 800 psig on the high side and 250 psig on the low side. Hoses should have a service rating of 800 psig. Evacuation Heat Controller rec

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R410a Overview R410a is a non-chlorine based (HFC) refrigerant, that with R407c and R134a, is seen as the future of all refrigerants used worldwide. R410a characteristics compared to R22 are: • Binary and near azeotropic mixture of R32-50% and R125-50% • Higher effi ciencies • Higher operating pressures • Requires POE oil in compressors • In some systems can result in smaller heat exchangers with the same performance • Low global warming potential and zero ozone depletion (0.39/0.0) • Temperatur





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