American Dryer Corp MLG-460 manual Output Signal Component Description

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•STOP DETECTOR RELAY CONTACT SMD NO

This relay contact is used as an interlock to shut down the burner in the event that the tumbler (basket) has stopped for more than 12-seconds during a drying cycle. This contact resides in the Stop Motion Detector Module, located in the left side of the tumbler (basket) section just above the drive system.

•FLAME DETECTOR PROBE

This device is part of the ML-460 burner itself. Its function is to determine the presence of a flame and transfer this information through the Solenoid Junction Box and terminated on Pin #S1 of the burner controller.

•BURNER CHASSIS GROUND

This signal is derived for a wire attached directly to the Burner Chassis and through the Solenoid Junction Box and terminated on the S2 of the Burner Controller.

2.Output Signal Component Description

•PILOT GAS VALVE V1

This 110 VAC electrically activated valve is located on the lower left of the Burner Section. Its wires are terminated in the Solenoid Junction Box, and activated by a signal derived from Pin #3 of the Burner Controller.

•IGNITION TRANSFORMER T3

This transformer is located on the left side of the Burner Section. Its primary is terminated in the Solenoid Junction Box is connected to Pin #4 of the Burner Controller. Its secondary is connected to a spark igniter in the burner.

•MOTORIZED GAS VALVES V3 and V2

These 110 VAC motorized valves are located on the left side of the Burner Section, and are controlled by a signal from the Burner Controller Pin #5. Their connections are terminated in the Solenoid Box.

•BURNER FAN CONTROL

This 110 VAC output of PIN #8 of the Burner Controller is used to enable the Coil of MS8, a motor starter for the Burner Combustion Fan. MS4 AUX is used to insure that the lint fan and lint screen motors are powered prior to enabling MS8.

•“RED” INDICATOR LIGHT

Attached to the left side of the base of the burner controller is a “RED” indicator light. This indicator indicates the burner controller has power.

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Contents MLG-460 Retain This Manual In a Safe Place For Future Reference For Your Safety Page Table of Contents Returning Warranty Cards Parts Returning Warranty Parts Service PartsTroubleshooting TOC Section What to do if YOU Smell GAS Safety PrecautionsPage Specifications SpecificationsSpecifications Reassembly of Dryer Installation ProceduresPage Page Location Requirements Internal AIR, Electric and Water Connections Page Page Page Page Page Left Drum Motor External Supply Connections Page Page Electrical Requirements Electrical RequirementsMLG-460 Page Fresh AIR Supply Requirements Preparation for Operation PRE START-UPCleaning Routine MaintenanceMonthly Component System Descriptions Page Page Main AIR Blower and Heat Reclaimer System Page Compressed AIR System Page Page GAS Burner and Ignition System Switch #2 Intermittent Pilot Page Page Page Page Page Page Page Safety Devices Door Open Parts ServiceWarranty Returning Warranty CardsReturning Warranty Parts Page Troubleshooting Possible Solutions Power MalfunctionsProbable Causes No Control Power Blue Light Off Machine Main Power Shuts Down Blue Indicator Off 2CRB Sprinkler Circuit Description Page Front Panel Blue Light and RED Light on Possible Solutions Unless the Water Valve to the Sprinkler is Closed General DescriptionBurner Section Input Circuit Component Description Burner Controller Input Signal ComponentsBurner Ignition IntroductionLoad Door Switch DS1B Stop Detector Relay Contact SMD no Output Signal Component DescriptionGAS Fault Message gas system only Heater Fault Message Possible Solutions Page Page AIR Fault Message HI-TEMP Fault Message Possible Solutions Drum Fault Message Page Tumbler Basket Section Electrical Components Tumbler Basket Section Electrical MalfunctionsFollowing is for 2-Door Models only Rear Panel Control Problems Probable Causes Possible Solutions PLC OUT PIN 7 = Unload Door Open PLC OUT PIN 10 = Front UP Unload 1 Selection Probable CausesDoor Open Problem Drum Fault Message Malfunction Probable Causes Page Base Section Electrical Malfunctions Front Door SwitchRear Down Switch LS2 Lint Drawer Proximity SwitchesTumbler Basket Tilt Problems Level Fault Lint Chamber Pressure Switch PS3Probable Solutions Page Lint Screen Mechanism Problem Screen Fault Lint Chamber Air Pressure Problem AIR Fault Pendant Electrical Components Pendant Control MalfunctionsVerify Pendant Electrical Signals ML-460 Pendant Assembly Diagram Temperature Sensing Page Temperature Measurement and Sensing Problems Motors Circuit Wiring to the Analog Input ModuleMotor Protection Device Descriptions Motor Actuation Problems Probable CausesAIR Fault Screen FaultMotor Fault GAS Fault