NovaTec NovaWheel NWB Series Instruction Manual
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Contents
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NWB & NWB-HC IM28 OCT 2014 Page 11Instruction Manual NWB & NWB-HC IM 28 OCT 20146.0 FUNCTION CONTROLSThe NWB Series dryers come complete with the following controls:6.1 Process Temperature Control (Drying Temperature)The Temperature Control is a part of the NovaWheel NovaTouch PLC controller andcontrols the process outlet temperature as per the set value. In addition, there is aprocess high temperature limit thermostat that is provided for extra safety. (Refer to thecontroller section).6.2 Regeneration Temperature ControlThe regeneration temperature is controlled by the NovaTouch PLC controller. In addition,there is a regeneration high temperature limit thermostat, which provides extra safety.The regeneration temperature is set at about 380°F. (190°C) and should not be changed.6.3 Process & Regeneration Air Filter Pressure Switches (PS)The air pressure differential across the process filter and the regeneration filter is monitoredand the NovaTouch display will alarm and show when a filter needs to be cleaned orreplaced.These are factory set but often need to be adjusted in the field once the customer loadsresin in the hopper.Access pressure switches after opening the side panel ofthe dryer. Remove Phillips screw that holds clear cover inplace (Fig. 1). Turn knob clockwise or counter-clockwiseto either increase or decrease.6.4 Process Air Dew Point MonitorIt measures the process air dew point from the dryer.6.5 Intelligent RegenerationIntelligent Regen constantly monitors the regeneration inlet and outlet temperatures andcontrols them to optimize the energy and dew point performance of the dryer.Process Filter Pressure SwitchRegen Filter Pressure SwitchFig. 1 |
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