Parker Airtek TWP200 User Manual

Contents

Parker Airtek TWP200 User Manual Manual pdf 24 page image

TWP/TWB200 – TWP/TWB900024MANUAL STEPPINGThis feature is used to assist in maintenance and troubleshooting of the dryer. Touching the STEP button at themain screen will advance thru the regeneration states. This allows the user to skip ahead to desired stages of theregeneration process more quickly. Using this feature may yield worse than desired dewpoints until the dryer isallowed to cycle uninterrupted. For safety, when attempting to switch out of repressurization or blowdown, the dryerwill wait until the pressures in the tanks are at a safe level before proceeding to the next state.CAUTION: Never step through the cooling state. Doing so may result in extreme temperatures being releaseddownstream. Only switch out of cooling if you are certain there is no possibility of releasing dangerous heatdownstream.CONTROLLER DISPLAY & OPERATIONThe dryer’s controller is an Allen-Bradley® PLC coupled with a proprietary color, touch panel HMI. The controlleris factory programmed with the proper timing configurations for the dryer model. The controller features userconfigurable drain settings, timing configuration, dewpoint demand cycles, system pressure and temperaturemonitoring, system alarms with user configurable settings and alarm log, and a manual stepping feature formaintenance. Additionally, there is reference information for troubleshooting dryer operation and alarms.The standard controller display is accessible at the front of the dryer without opening the enclosure. If the enclosuremust be opened, always remember to close and secure the enclosure door when not using!