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Évaluations - 4, GPA: 4.3 ( )

Instructions American Dryer Corp., Modèle ML-410

Fabricant : American Dryer Corp.
Taille : 1.68 mb
Nom Fichier : e1956974-4217-4534-8471-1e99fafb88b6.pdf
Langue d'enseignement: en
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Facilité d'utilisation


On a call for heat, a 24 volt signal is applied to the 3-way/2-position solenoid valve. This signal switches th. valve so that compressed air is sent to the pistons. The piston rods extend, pushing the hinged steam dampe. plate to the open position. This allows room air to be drawn through the hot steam coil and then through th. tumbler (basket). When the temperature set point has been reached, the 24 volt signal is removed from the solenoid valve, so tha. the solenoid valve blocks the air supply to the pistons, and the air in the pistons is bled to atmosphere. Th. springs in the pistons now retract the piston rods, closing the steam damper. The steam damper plate now cover. the steam coil and allows room air to bypass the coil before entering the tumbler (basket) for a rapid cool down. The steam damper plate should open and close slowly and smoothly. The speed can be modulated by adjustin. both needle valve knobs. Turning the knob clockwise (CW) restricts the compressed airflow and slows dow. the steam damper movement. Counterclockwise (CCW) adjustment speeds up the steam damper motion. Upo. completion of adjustment, tighten the needle valve.s locking nut. NOTE:Turning the knob on the FLOW CONTROL VALVE clockwise (CW) will restrictairflow. Turning the knob on the FLOW CONTROL VALVE counterclockwise (CCW) will allow higher airflow. 59 SECTION VII. OPTIONAL SPRINKLER SYSTEM COMPONENT. OPTIONAL SPRINKLER CIRCUIT COMPONENT. AUTO .EMERGENCY STOP. (E-Stop) RELA. This device, located in the Front Right Electrical Enclosure, supplies the main control voltage to the dryer. The ML-410.s Sprinkler Circuit supplies or removes 120 VAC to the coil of this relay for the .EMERGENC. STOP. (E-Stop) power disconnect control. TEMPERATURE CONTROLLE. This device is located in Front Left Electrical Enclosure and monitors the Sprinkler Circuit temperature. It. operating functions are preset at the factory and should not require any adjustment. RTD (Resistive Temperature Device) TEMPERATURE PROB. This device is a high temperature 100 ohm (100 W) RTD (Resistive Temperature Device) Probe and is located o. the upper left side of the tumbler (basket). PNEUMATIC VALV. This is a Dual Pneumatic 110 VAC Control Valve and is located in the lower rear base section of the dryer. Power to turn .ON. the Pneumatic Valve is supplied from the Sprinkler Control Circuit. Power to turn .OFF. the sprinkler is supplied from a manual reset button located on the Right Front Control Door. SPRINKLER VALV. This valve controls the flow of the sprinkler water. It is air actuated and requires air pressure to turn .ON. o. .OFF.. NOTE THAT THERE IS A .RED. INDICATING PISTON AT THE REAR OF THIS SPRINKLER VALVE. The piston indicates the current state of the valve; when the piston is .IN. the valve is .CLOSED,. when th. piston is .OUT. the valve is .OPEN.. ALARM HOR. This component is an audible device to indicate that the Sprinkler System has tripped and that water is flowin. into the tumbler (basket). The Alarm Horn will reset when the Sprinkler System is reset. SPRINKLER RESET BUTTO. This amber colored push button is located on the Right Hand Control Door and illuminates when the Sprinkle. System is activated. Attempting to reset the Sprinkler System with this button can be tried, however, if th. sprinkler circuit continues to be in the active mode the reset function will not latch. 60 SPRINKLER and MAIN POWER CONNECTION. There are two (2) individual power connections to an ML-410 that includes the Sprinkler System Option. 1. Main Dryer Power (three-phase [3o]). 2. Dedicated Sprinkler System Circuit Power (single-phase [1o]). Both of these connections are at the voltage rating of the dryer and can be installed in the Front Right Bas. Electrical Enclosure. The larger connection is for Main Electrical Power and the smaller connections. located to the right of the larger connection is for the Dedicated Sprinkler System Circuit Power. Refer to the Dryer Nameplate for voltage rating information. SPRINKLER THEORY OF OPERATIO. 1. Power Sprinkler System circuit. 2. .TURN TO RELEASE. ALL .EMERGENCY STOP. (E-Stop) buttons. 3. Run dryer. If the temperature of the tumbler (basket) should rise above the sprinkler controller.s preset value th. Sprinkler System will activate and the following will occur. . An .AUTOMATIC .EMERGENCY STOP. . (E-Stop) will stop the dryer. . The Alarm Horn will sound. . The amber Sprinkler System reset button will light. . The Sprinkler System will spray water into the tumbler (basket). . The water will flow and the Alarm Horn will sound until. The temperature of the tumbler (basket) falls below sprinkler controller.s preset value and the Sprinkle. System reset button is pressed. NOTE. THE SPRINKLER SYSTEM DOES NOT AUTOMATICALLY RESET. 61 ML-41. Sprinkler Option Temperature Controller Setting. NOTE: Refer to Controller.s User.s Manual for further information on controller options. Message Display Message Description Settings SP TEMPERATURE SET POI...


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