Relays: A centrifugal speed switch is not practical in a hermetic unit; therefore, external hot-wire relays, current sensitive relays, ... Wiring Diagrams: The following wiring diagrams show examples of various starting devices and overload protectors used with hermetic motors. Fig. ... 17-8 shows a current sensitive relay used for starting and a line break bimetal disc and heater used for overload and heatanbsp;...
|Title||:||Handbook of Heating, Ventilation and Air Conditioning for Design and Implementation, The|
|Author||:||Ali Vedavarz, Sunil Kumar, Muhammed Iqbal Hussain|
|Publisher||:||IP - 2007-05-01|