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The Tempered Water Logic Control (TWLC) is an advanced microprocessor circulated water chiller control system specifically designed for marine use. The TWLC system maximizes performance and provides the highest level of protection for the chillers, while supplying the user with important system information and easy access.
Each tempering unit has a dedicated power/logic board, and up to six P/L boards can be networked together to form an integrated system (controlling up to 6 chillers). This configu- ration allows operation of the chillers if the network or a P/L board has a failure. The P/L board is designed for easy replacement with plug-in terminal strips and RJ12 jacks. LEDs on the board help troubleshooting procedures, and a replaceable EPROM allows for soft- ware upgrades.