Outdoor Electric Control Board (Take 28 Kw As Sample); Forced Cooling - York R-410A Technical & Service Manual

Variable refrigerant flow a/c system none modular digital scroll r-410a 50 hz

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1.2) Outdoor electric control board (Take 28 kW as sample)

1. Forced cooling: After pressing this button, the indoor and outdoor units start, and

indoor/outdoor fan operate with high speed, and EXV open at a fix degree. (Normally it is not

recommended to use this button, because in this condition the open degree of EXV is not

adjustable, so there will be different operation temperature and pressure compared to normally

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