M-Audio RAD-050503 User Manual download pdf (Page 20)

18 American Dryer Corp. 113188-3

6. In the programming mode, the number keys can be used to jump to menu levels without scrolling through

them

ALL. I.E., from 0 select Model in DRYER SETUP; you can jump to menu level five (5). Enter

Lint Cleaning Frequency under DRYER SETUP by pressing the five (5) key followed by the

START/ENTER key to accept value. Light emitting diode (L.E.D.) display will read 5:LINT

CLEANING FREQUENCY 1 TO 10 HOURS.

7. The basket (tumbler) temperature can be displayed by pressing and holding the UP ARROW key.

8. The programmed cycle parameter can be viewed by pressing the START/ENTER key followed by

the A-F key. To view 0-40 cycles, press the START/ENTER

key, followed by the number

desired to view and then the START/ENTER key. The viewing can be stopped by pressing the

STOP/CLEAR

key at any time.

C. SENSOR ACTIVATED FIRE EXTINGUISHING (S.A.F.E.) SYSTEM

THEORY OF OPERATION

While the dryer is in an idle state, or 20-seconds after the heat turns off, the Phase 7 non-coin microprocessor

controller (computer) monitors the thermistor probe located in the top of the basket (tumbler) chamber and

records the minimum temperature. If the minimum recorded thermistor probe temperature is greater than 120°

F (48° C) and the Phase 7 non-coin microprocessor controller (computer) detects a 50° rise in temperature, this

will be the trip point and the S.A.F.E. system routine will activate.

While a drying cycle is in process and the heat has turned on at least once, the Phase 7 non-coin microprocessor

controller (computer) monitors the exhaust temperature transducer. If the drying cycle temperature set point is

set greater than 160° F (71° C) and the Phase 7 non-coin microprocessor controller (computer) detects an

exhaust temperature rise 25° F greater than set point, this will be the trip point and the S.A.F.E. system routine

will activate. If set point is below 160° F (71° C) the trip point will be 185° F (85° C).

Once the S.A.F.E. system routine is activated, the Phase 7 non-coin microprocessor controller (computer) will

display S.A.F.E. SYSTEM ACTIVATED and water will be injected into the basket (tumbler) chamber. Any

time water is being injected into the basket (tumbler); the basket (tumbler) drive will turn the load for 1-second

every 15-seconds. This process will continue for a minimum of 2 minutes. After the 2 minutes has elapsed, the

Phase 7 non-coin microprocessor controller (computer) will check if the temperature remained above trip point,

if so water will remain on. The Phase 7 non-coin microprocessor controller (computer) will continue to check if

the temperature is above trip point every 30-seconds. If the water has been on for a constant 10 minutes, the

water will be turned off regardless of the temperature and the Phase 7 non-coin microprocessor controller

(computer) will display S.A.F.E. SYSTEM WAS ACTIVATED. If the temperature has dropped below trip

point, the Phase 7 non-coin microprocessor controller (computer) will turn off the water prior to 10 minutes.

SYSTEM RESET

After the Phase 7 non-coin microprocessor controller (computer) determines that the situation is under control

and shuts the water being injected into the basket (tumbler) off, the Phase 7 non-coin microprocessor controller

(computer) display will read S.A.F.E. SYSTEM WAS ACTIVATED, and the horn/tone will sound until reset

manually.

To reset the Phase 7 non-coin microprocessor controller (computer) once the Phase 7 non-coin microprocessor

controller (computer) displays S.A.F.E. SYSTEM WAS ACTIVATED, press the red STOP/CLEAR key

on the keyboard (touch pad).

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M-Audio RAD-050503 User Manual Page 20

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