This paper presents the situation of application and effect of frequency-converting technique in unitheater system.
本文介绍了变频调速技术在供暖系统补水改造上的应用及改造效果分析。
2
Briefly introduces Present heating manners and their existent problems in domestic large workshops, as well as the application effectiveness of downward discharge unitheater.
简要介绍目前国内高大厂房常用采暖方式和存在问题,以及采用下送射流式暖风机的效果。
3
The APU fuel system consist of a fuel valve, control unit, solenoid valve, filter, heater and control valve.