1.Safety Devices Locations/Functions/Messages

SAFETY DEVICES

LOCATION

FUNCTION

COMPUTER

RESULT OF

DISPLAY MESSAGE

TRIPPING

 

 

 

Load Door Switch

Left side of

Ensures dryer load doors

"DOOR OPEN"

Dryer will not run

Load door

are closed

 

 

 

 

 

 

 

 

Unload door switch (Two

Right side of

Ensures dryer unload

"DOOR OPEN"

DRYER WILL NOT RUN

door unit only)

unload door

doors are closed

 

 

 

 

 

 

 

Tilting Switches

Top left side of

Ensures dryer is level

"LEVEL FAULT"

DRYER WILL NOT RUN

base module

 

 

 

 

 

 

 

 

 

Drum Rotation Sensor

Left side of

Ensures tumbler is

"DRUM FAULT"

STOPS HEAT ONLY

tumbler section

rotating

 

 

 

 

 

 

 

 

Lint Chamber air pressure

Rear of base

Ensures proper air flow

"AIRFLOW FAULT"

STOPS HEAT ONLY

switch

module

through dryer

 

 

 

 

 

 

 

Burner Fan Air Flow

Center of heat

Ensures proper

 

 

Switch

combustion air flow into

"HEATER FAULT"

STOPS HEAT ONLY

console

(Gas Dryers Only)

the burner box

 

 

 

 

 

 

 

 

 

 

Hi/Lo Gas Pressure

Lower left of

Ensures proper gas

"GAS SUPPLY

STOPS HEAT ONLY

Switch

heat console

supply pressure for

FAULT"

(Gas Dryers Only)

section

adequate ignition

 

 

 

 

 

 

 

 

Heat Reclaimer Damper

Right side of

Ensures that the heat

Input L.E.D. #13 of

NONE

reclaimer is either

Switch

heat console

the PLC is off

opened or closed

 

 

 

 

 

 

 

 

 

 

Heat Console Door

Inside heat

Ensures that access doors

"DOOR OPEN"

DRYER WILL NOT RUN

Access Door Switch

console

are closed

 

 

 

 

 

 

 

Exhaust Air Temp Control

Inside burner

Monitors tumbler exhaust

"EXHAUST DSFL"

STOPS HEAT ONLY

Sensor

section duct

air temp

 

 

 

 

 

 

 

Exhaust Air Hi Temp

Inside exhaust

Monitors tumbler exhaust

"HI-TEMP FAULT"

STOPS HEAT ONLY

Control Sensor

duct

and air temp

 

 

 

 

 

 

 

Intake Air Temp Control

Top right of

Monitors tumbler air

"INTAKE DSFL"

STOPS HEAT ONLY

Sensor (optional)

tumbler section

intake temp

 

 

 

 

 

 

 

Intake Air Temp Control

Top right of

Monitors tumbler air

"HI-TEMP FAULT"

STOPS HEAT ONLY

Sensor

tumbler section

intake temp

 

 

 

 

 

 

 

Burner Hi-Limit Safety

Top of burner

Monitors air temp above

"HI-TEMP FAULT"

STOPS HEAT ONLY

Sensor

section

the burner box

 

 

 

 

 

 

 

 

 

Open sprinkler system

Orange sprinkler

OPENS THE SPINKLER

Sprinkler Control Safety

Top right of

WATER VALVE

water valve on hi-temp

pilot light comes on.

Sensor

tumbler section

ANDPOWER DOWN THE

condition

Alarm horn sounds.

 

 

WHOLE DRYER

 

 

 

 

 

 

 

 

 

 

 

Disables machine when

 

 

Lint Drawer Switches

Above lint

drawers are open or if

Lint Drawer

DRYER WILL NOT RUN

drawer handles

drawers have not been

 

 

 

 

 

cleaned in last five load

 

 

 

 

 

 

 

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ADC AD-464 service manual Safety Devices Locations/Functions/Messages