York MHC-MHH Installation Manual
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HIGH WALL 13TEST OPERATIONCHECK THIS ITEM BEFORE START OPERATIONOutdoor• Check the flare nut connections, valve stem cap connections and service cap connections for gas leak with a leakdetector or soap water.Indoor• Check the unit is firmly fixed.• Check the connecting pipes are tighten securely.• Check the pipe insulation.• Check the drainage.• Check the connection of the grounding wire.PROTECTION MODESYour air coditioner includes several automatic protection modes, which enables you to use it virtually at any time andin any season, regardless of the outdoor temperature. Some of the protection modes are listed below:Mode Operation Protection Controlledconditions from remedyCooling Low outdoor Indoor coil Stop outdoor fan andand Dry temperature freezing up Compressor whenapproaching freezingconditions.Resumes operationautomatically.High outdoor Outdoor coil Stops compressor whentemperature overheating approaching over heatingconditions.Resumes operationautomatically.Operating indicator blinks.Heating Low outdoor Outdoor coil Reverses operation fromtemperature ice build up heating to cooling forshort periods to de-iceoutdoor coil.Operating indicatorblinks.High indoor Indoor coil Stops outdoor fan andor outdoor overheating compressor whentemperature approaching high indoorcoil temperature.Resumes operationautomatically. |
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