GENERAL INFORMATION - TM-5-3895-374-24-1

TM-5-3895-374-24-1 Paving Machine Bituminous Material: Crawler Mounted Diesel Engine Driven Manual
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TM 5-3895-374-24-1 GP467FB DRAWINGS AND SUPPLEMENTAL LITERATURE Panel Assembly, Dual Temperature Control CY4466 System Schematic CX4465 Wiring Diagram CY4467 Panel Assembly, Tabletop Recorder CW4468 Wiring Diagram, External Components & Junction Box GY3442 Troubleshooting Flowchart CX4481 CAUTION DO NOT USE A BURNER CONTROL MOTOR WHICH INCORPORATES A 24-VOLT TRANSFORMER WITH THIS PANEL. If you are retrofitting this panel to an existing system, it may be necessary to remove the cover(s) from your existing control motor to determine whether or not It incorporates the transformer If it does, physically remove the transformer or, at a minimum, cut/remove all leads originating from the transformer and tape them to prevent accidental shorting or grounding IF A CONTROL MOTOR WITH A 24-VOLT TRANSFORMER IS CONNECTED TO THIS PANEL, EXTENSIVE DAMAGE TO THE MODEL UDC3000 MICROPROCESSOR TEMPERATURE CONTROLLER WILL RESULT. The BCS-3000 is compatible with Barber-Colman medium and high torque motors. Other actuators may require revised electrical hookup A. GENERAL INFORMATION The BCS-3000 tabletop control panel provides burner management and temperature control of a single pilot-ignited burner firing on either gas or oil. The spark ignited, gas fired pilot Is interrupted after the main burner flame has been established. Two Honeywell UDC3000 series microprocessor based controllers are provided for temperature control. The temperature controllers are electrically linked to the burner control motor to automatically adjust the burner firing rate to keep the process temperature near setpoint. The STACK TEMPERATURE controller thermocouple senses the temperature of the exhaust gases while the MATERIAL TEMPERATURE controller thermocouple Is positioned to read the temperature of the material as it exits the dryer. Both instruments generate a motor positioning output based on the difference between the controller setpoint and process temperature input. The CONTROL MODE selector switch enables the Operator to assign control of the burner to either controller. An alarm contact in the STACK TEMPERATURE controller is used to shut down the system if the preset high temperature limit is exceeded. (page 3-7)

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