| 摘要 |
<p>A central heating or water heating system has as the source of heat the coolant tapped from the coolant circuit of a coolant lubricated screw compressor. A heat exchanger for the exchange of heat between the central heating fluid or water, and the coolant is connected to the coolant circuit by a temperature controlled diverter valve whereby the temperature of coolant in the coolant is maintained above a predetermined minimum temperature. <IMAGE></p> |
