780-783
780 Series Hot Surface Controls
品牌名称 Robertshaw
Robertshaw® 780 系列热表面控制器设计用于燃气燃烧系统。系统根据开关或恒温器的加热要求向点火控制器供电。在非预冲洗型号上，点火器将立即通电，并在两个可选的点火器加热时间内保持开启状态：约 17 秒或 34 秒。对于带预冲洗选项的型号，在点火器通电之前会有一个与所选加热时间相等的时间延迟。点火器加热时间结束后，燃气阀打开，为主燃烧器供气。几秒钟后，点火器关闭，传感器通电。只要感应到火焰，系统就会继续运行。
功能和优点
- Reduces truck stock inventory, saving space and money
- Easy-to-install with complete in-depth installation instructions
- Molded-in terminal barriers between terminals
- Models available for local and remote sense application
- Mounting screw provides a positive ground connection
- Small compact size provides no hassle installation
- Main valve current is 1.5 Amps at 24V AC
- 95% relative humidity noncondensing at 104 °F