‘primary refrigerant circuit of cascade systems’ means the primary circuit in indirect medium temperature systems where a combination of two or more separate refrigeration circuits are connected in series such that the primary circuit absorbs the condenser heat from a secondary circuit for the medium temperature;
ciallaíonn “príomhchiorcad cuisneáin córas cascáide” an príomhchiorcad i gcórais mheán-teochta indíreacha nuair atá nasc idir dhá chomhcheangal ciorcaid chuisniúcháin ar leith nó níos mó i sraithcheangal ionas go hionsúnn an príomhchiorcad an teas comhdhlúthadáin ón gciorcad tánaisteach don mheán-teocht;