American Dryer Corp MLS-460 manual Tumbler Basket Section Electrical Malfunctions, Introduction

•Circuit wiring; refer to MLS-460 main panel wiring diagram MLS-460 tumbler (basket) junction box wiring diagram.

B.TUMBLER (BASKET) SECTION ELECTRICAL MALFUNCTIONS

INTRODUCTION

There are a number of electrical components associated with the MLS-460 tumbler (basket) section. These components are ALL interfaced to the tumbler (basket) junction box, and connected to the main electrical enclosure through a disconnect cable.

The “tumbler (basket) junction box” is located on the left side of the tumbler (basket), in the same area as the left drum motor. The title of the wiring for the tumbler (basket) section is “MLS-460 Tumbler (Basket) Electrical Junction Box Wiring Diagram.” The tumbler (basket) section electrical components provide:

•Front and rear door position information

•Drum rotation information

•Rear panel controls for unloading

•“EMERGENCY STOP” (E-Stop)

The “tumbler (basket) junction box” is located on the left side of the tumbler (basket) section, in the same area as the left drum motor. The title of the wiring diagram for the tumbler (basket) section is “MLS-460 Tumbler (Basket) Electrical Junction Box Wiring Diagram.” The tumbler (basket) section electrical components provide:

The following information will provide a means to respond to fault messages associated with the tumbler (basket) section, and verify ALL the electrical signals associated with it.

Refer to the MLS-460 Tumbler (Basket) Junction Box Wiring Diagram for detailed wiring information.

1.0Tumbler (Basket) Section Electrical Components

a.LOAD Door Switch - DS1

The LOAD door switch is located on the left side of the MLS-460 front doors and comprises of four (4) parts: head, arm, body, and cord grip device. The head is a rotating type, with a spring arm attached for switch actuation. The body contains a double pole, double throw, normally open switch. DS1 has two

(2)electrical functions, A and B.

b.UNLOAD Door Switch - DS2

The UNLOAD door switch is located on the right side of the MLS-460 rear doors and comprises of four

(4)parts: head, arm, body, and cord grip device. The head is a rotating type, with a spring arm attached for switch actuation. The body contains a double pole, double throw, switch. DS2 has two (2) electrical functions, A and B.

“A” provides rear door position signal to the PLC (Programmable Logic Controller).

“B” is a rear interlock to the burner controller circuit.

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