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

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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