The Staging Control with Verneir – NWVS is a step controller that provides modulation in multi-stage applications such as duct heaters. The built in 0-10V Vernier stage output allows for smooth, precision control of the load. When the verneir output is connected to an SSR or Phase Angle Controller – SSRMAN-1P it will increase the precison of the heat control without reducing the life of the system contactors. The unit’s LEDs show the power and output status of all of the stages including the vernier output.
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