American Dryer Corp. ADG-60 manual

ADG-630 Service Manual 24 VAC Phase 5 Dual Microprocessor Controller (DMC) Mechanical/Electrical American Dryer Corporation 88 Currant Road Fall River , MA 02720-4781 T elephone: (508) 678-9000 / Fax: (508) 678-9447 E-mail: techsupport@amdry .com ADC Part No. 450162 101598MFM/cj[...]

Retain This Manual In A Safe Place For Futur e Refer ence Replacement parts can be obtained from your distributor or the ADC factory . When ordering replacement parts from the factory , you can F AX your order to ADC at (508) 678-9447 or telephone your orders directly to the ADC Parts Department at (508) 678-9000. Please specify the dryer model num[...]

IMPOR T ANT YOU MUST DISCONNECT and LOCKOUT THE ELECTRIC SUPPL Y and THE GAS SUPPL Y or THE STEAM SUPPL Y BEFORE ANY COVERS or GUARDS ARE REMOVED FROM THE MACHINE T O ALLOW ACCESS FOR CLEANING , ADJUSTING , INST ALLA TION, or TESTING OF ANY EQUIPMENT per OSHA (Occupational Safety and Health Administration) ST ANDARDS. DO NOT STORE OR USE GASOLINE O[...]

IMPOR T ANT PLEASE OBSER VE ALL SAFETY PRECAUTIONS displayed on the equipment or specified in the installation and operator's manual included with the dryer . Dryers must not be installed or stored in an area where it will be exposed to water or weather . The wiring diagram for the dryer is located in the front electrical control box area.[...]

Table of Contents SECTION I Routine Maintenance ....................................................................................................................................... 3 A. Cleaning ........................................................................................................................................................[...]

SECTION IV Electrical T roubleshooting ............................................................................................................................ 34 SECTION V T echnical Information .......................................................................................................... .......................... 39 A. Data Label[...]

3 SECTION I ROUTINE MAINTENANCE A. Cleaning A program or schedule should be established for periodic inspection, cleaning, and removal of lint from various areas of the dryer , as well as, throughout the duct work system. The frequency of cleaning can best be determined from experience at each location. Maximum operating efficiency is dependent upo[...]

4 Remove any lint accumulation from coin acceptor , including the optical switch. Inspect and remove lint accumulation in customer-furnished exhaust duct work system and from the dryer's internal exhaust ducting. W ARNING: THE ACCUMULA TION OF LINT IN THE EXHAUST DUCT WORK CAN CREA TE A POTENTIAL FIRE HAZARD. 6 MONTHS In the cleaning of the dr[...]

5 SECTION II MECHANICAL SECTION A. T o Remove Lint Drawer 1. Pull out lint drawer three quarters of the way (approximately twenty inches). 2. Reach up into the back of the lint drawer and pull down the retainer (hinge) that is attached to the top of the lint drawer . 3. The lint drawer can now be removed. 4. Reverse procedure for reinstalling the l[...]

6 D. T o Remove Contr ol Box 1. Discontinue power to the dryer . 2 . Remove the lint drawer and the control door from the dryer . Follow lint drawer , and control and lint door removal procedures in sections A and B. 3. Remove screw located on the bottom right-hand corner of the control panel. 4 . Slide out the control box and hang the control box [...]

7 4. T o remove the lint drawer switch box assembly , remove the two (2) screws inside the lint drawer area that secure the box to the side of the lint coop. 5. Disassemble lint drawer box assembly from the dryer by disconnecting the two (2) harness connectors from the box assembly . 6. Remove the two (2) phillips head screws securing the cover to [...]

8 7. Reverse procedure for reinstalling power to the dryer . IMPOR T A NT : When reinstalling the sensor bracket assembly to the dryer , be sure the internal wires do not get pinched between the sensor bracket and the holder . 8 . Reestablish power to the dryer . H. T o Remove or Replace Belt 1. Discontinue power to the dryer . 2. Remove the lint d[...]

9 LOCTITE LOCTITE® is being used on ALL small dryers (AD-15 through 81 including stack dryers) that are manufactured by ADC . LOCTITE® is being applied to ALL bearing set screws, used on ALL basket (tumbler) shafts, ALL idler shafts, ALL impeller (fan and blower) shafts, and ALL drive shaft bearings. IMPOR T ANT LOCTITE® ADHESIVE HAS BEEN USED T[...]

10 I. T o Remove or Replace Motor 1. Discontinue power to the dryer . 2. Remove the lint drawer and the control door from the dryer . Follow control and lint door removal procedures in sections A and B. 3. If top basket (tumbler) is being serviced, remove the control box from the dryer . Follow control box removal procedure in section D. 4. Remove [...]

11 20 . Reassemble the impellor and shaft bearing to the impellor (fan) cover and secure (hand tighten only) with the two (2) nuts removed in step 10. Install the housing cover and bearing assembly onto the shaft and housing secure with four (4) nuts removed in step 9. Secure the two (2) set screws on the impellor (fan) and shaft bearing be sure th[...]

12 LOCTITE LOCTITE® is being used on ALL small dryers (AD-15 through AD-81 including stack dryers) that are manu- factured by ADC . LOCTITE® is being applied to ALL bearing set screws, used on ALL basket (tumbler) shafts, ALL idler shafts, ALL impellor (fan and blower) shafts, and ALL drive shaft bearings. IMPOR T ANT LOCTITE® ADHESIVE HAS BEEN [...]

13 J. T o Remove or Replace Impellor (Fan) 1. Discontinue power to the dryer . 2. Remove the lower half of the rear split back guard panel to either the top or the bottom basket (tumbler), depending on which basket (tumbler) is being serviced. 3. Remove the four (4) 7/16" (O.D.) nuts which secure the impellor (fan) housing to the blower housin[...]

14 NOTE: Approximate proper belt tension - when there is a one (1) inch space between the idler adjustment bracket and the first thread in the right hand side of the spade tension bolt. NOTE: If lower basket (tumbler) is being serviced, the control box does not have to be removed. 3. T o adjust tension, while holding spade tension bolt in place, i.[...]

15 NOTE: These connectors can be removed from the DMC controller (computer) by squeezing the side tabs while pulling the connector outward. 5. Depending on the service function to be performed, the control panel assembly can be left on the control box or removed entirely from the dryer . T o remove the control panel, follow control panel removal pr[...]

16 3. Remove screw located in the bottom right hand corner of the control panel. 4. Disconnect the optic switch connector from the jumper connector . This is done by squeezing the optic switch connector tabs and pulling apart. 5. Remove the two (2) nuts holding the "U" shaped coin reject and return holder by using a 1/4" nut driver .[...]

17 8. Check belt tension and make the necessary adjustments. Follow belt and idler tension adjustments procedure in section K. 9. Reinstall the upper half of the rear split back guard panel removed in step 2. 10 . Reestablish power to the dryer . S. Basket (T umbler) Alignment - Lateral 1. Discontinue power to the dryer . 2. Remove the upper half o[...]

18 T . T o Replace Basket (tumbler) or Basket (tumbler) Suppor t 1. Discontinue power to the dryer . 2. Remove the lint drawer , and the control and lint door from the dryer . Follow lint drawer , and the control and lint door removal procedures in section A and B. 3. If lower basket (tumbler) is being serviced, proceed to step 4 slide the control [...]

19 LOCTITE LOCTITE® is being used on ALL small dryers (AD-15 through AD-81 including stack dryers) that are manufactured by ADC . LOCTITE® is being applied to ALL bearing set screws, used on ALL basket (tumbler) shafts, ALL idler shafts, ALL impellor (fan/blower) shafts, and ALL drive shaft bearings. IMPOR T ANT LOCTITE® ADHESIVE HAS BEEN USED T[...]

20 7. Loosen the two (2) set screws on the pillow block bearing and flange bearing. The two (2) set screws on the flange bearing can be reached through the opening at the bottom of the bearing box. 8. Remove the basket (tumbler) and support assembly from the front of the dryer . If the basket (tumbler) cannot be removed freely , clean shaft area (w[...]

21 IMPORT AN T : Readjustment and removal of the Impellor (fan) Shaft bearings using Green LOCTITE® (#609) require that the bearing itself be heated. In lieu of heating, ADC r ecommends the replacement of these assemblies in or der to pr ovide a true fit and avoid any warpage upon reinstallation. NOTE: The application of LOCTITE® during the dryer[...]

22 V . T o Replace Basket (T umbler) Suppor t Flange Bearing LOCTITE LOCTITE® is being used on ALL small dryers (AD-15 through AD-81 including stack dryers) that are manufactured by ADC . LOCTITE® is being applied to ALL bearing set screws, used on ALL basket (tumbler) shafts, ALL idler shafts, ALL impellor (fan/blower) shafts, and ALL drive shaf[...]

23 1. Discontinue power to the dryer . 2. Remove the lint drawer , and the control and lint drawer . Follow lint drawer , and control and lint door removal procedures in section A and B . 3. If the lower basket (tumbler) is being serviced, proceed to step 4 . Slide the control box out three quarters of the way and disconnect the three (3) wire harn[...]

24 X. T o Replace Sail Switch NOTE: The sail switch and damper is located in the gas valve train assembly . 1. Discontinue power to the dryer . 2. Remove the lint drawer , and the control and lint door . Follow lint drawer , and control and lint door removal procedures in section II, A and B. 3. Remove sail switch and damper rod assembly from the d[...]

25 IMPORT AN T : Do be sure wires removed in step 4 are connected to the correct terminal positions. When connecting the orange high voltage (HV) lead to the DSI module, be sure it is securely in place. 6. Reinstall the gas valve train, the control and lint door and the lint drawer . 7. Reestablish power to the dryer . AA. T o Replace Ignitor and P[...]

26 3. Remove the lint drawer , the control and lint door , and the gas valve train assembly from the dryer . Follow gas valve train removal procedure in section C. 4. W ith the gas valve train assembly removed from the dryer , remove the two (2) sets of nuts securing the manifold bracket to the gas valve train slide. 5. Pull manifold and valve asse[...]

27 12 . Reestablish power to the dryer . EE. T o Remove Main Door 1. Open main door completely . 2. While holding the door in place, remove the four (4) phillips head screws securing the main door to the front panel hinge. 3. Reinstall the main door by reversing procedure. FF . T o Install New Main Door Glass 1. Remove the main door assembly from t[...]

28 SECTION III TROUBLESHOOTING The information provided is a quick reference to help isolate the most probable components associated with the difficulty described. The experienced technician realizes, however , that a loose connection or broken or shorted wire may be at fault where electrical components are concerned. . . not necessarily the suspec[...]

29 a. Motor air vents clogged with lint. b. Low voltage to motor . E. The dryer operates for a few minutes and then stops, DMC computer L.E.D. continues to read cycle in progress, indicator dots are off and dryer can be restarted by pressing selection key 1. Intermittent connection in main door and lint drawer circuit a. Main door switch or lint dr[...]

30 NOTE: Once the Dual Microprocessor Control (DMC) computer detects a problem, it updates every 30 seconds so that if a problem was a loose connection in this circuit which corrected itself, the "dSFL" display condition would automatically be cancelled. a. Loose wire or termination in sensor harness somewhere between the sensor bracket a[...]

31 L. DMC computer locks up and the L.E.D. display reads erroneous messages or only partial segments 1. T ransient power voltage (spikes), disconnect power to the dryer , wait one (1) minute ( NOTE: for dryer models with the optional battery back up, disconnect battery), then reestablish power to the dryer . If the problem is still evident, proceed[...]

32 P . No heat (GAS MODELS ONL Y) ignitor sparks but ther e is no flame at burner 1. Direct Spark Ignition (DSI) ignitor probe out of adjustment. a . Reposition ignitor assembly closer to the burner ribbon area. Also check to make sure ribbon burner is flush all around the top of the burner tube (ribbon should not stick up in any area). b. Check ga[...]

33 3. Restriction in exhaust duct work. T . Dr yer is making scraping noise at basket (tumbler) ar ea 1. Check for objects caught in basket (tumbler) wrapper area. 2. Basket (tumbler) is out proper alignment a . Check gap between the front panel and the basket (tumbler) front set screws may have come loose and basket (tumbler) walked forwards or ba[...]

34 SECTION IV ELECTRICAL TROUBLESHOOTING NOTE: Diagrams used in the section include: BB7261 1 and all the revisions (a revision is the letter after the number i.e. BB7261 1 A, B48261 1.) NOTE: A volt and ohm meter is needed for this section. A. No Display Condition 1. Check top pocket circuit breaker panel for this particular dryer . If tripped res[...]

35 B. No S tar t Condition (Motor Doesn't T urn) NOTE: The following sections must be performed with the appropriate L.E.D. and L.E.D. indicator dots on. NOTE: In the following sections the voltage readings are for 24 V AC otherwise specified. NOTE: If the L.E.D. indicator dot is on and the appropriate L.E.D. output light is not on, replace co[...]

36 C. No Heat Condition (Gas) 1. Check to see if D.S.I. module fault indicator L.E.D. is red. If red, refer to ADC D.S.I. troubleshooting manual (P/N 450142). 2. Check for voltage across the "TH" and "GND" terminal of the module. If voltage is evident refer to ADC D.S.I. technical manual (P/N 450142). NOTE: In the preceding step[...]

37 6. Check for the "heat out" voltage of the computer upper DMC connector J1 pin #1 for the top pocket, or the lower DMC connector J2 pin #1. If voltage is evident on the "heat out" pin of the computer , check for bad wire or termination on the red wire from the computer "heat out" which passes through the I/O connect[...]

38 5. If the above steps were performed correctly , the problem could be a bad wire or termination, from the 24 volt transformer through the I/O J4 (top tumbler) or J3 (bottom tumbler) connector , or to the main and lint drawer switches. E. "dSFL" Condition When the display reads "dSFL" it is an indication that there is a fault [...]

39 SECTION V TECHNICAL INFORMA TION A. Data Label When contacting ADC, certain information is required to insure proper service and parts information. This information is on the data label located on the inside of the control door . When contacting ADC, please have the model number and serial number available. Information on the Data Label 1. MODEL[...]

40 6. ELECTRIC SER VICE - Describes the electric service for your particular model. 7. GAS MANIFOLD PRESSURE taken at the gas valve. (see "Using a Manometer") B. Using a Manometer HOW T O USE A MANOMETER 1. W ith dryer in nonoperating mode, remove plug on the gas valve pressure tap. 2. Attach plastic tubing to pressure tap. (Fitting is su[...]

41  HEA T CIRCUIT INDICA T OR  MO TOR CIRCUIT INDICA T OR TIME TEMPERA TURE SELECTION C. L.E.D. Display Codes A ACOn Adrt AF A t AGt ArIn AtS t AUtO b bCLO bCrS bUZ CEL CLCC COIn CrCC donE Automatic Cycle (Slope Program Factor) Accumulative Coin Maximum Auto Dryness T ime Amount for Additional T ime Active Anti-W rinkle Guard T ime Accumulati[...]

42 door dSFL FA r FILL FLS FrEE GdL Y Gont Grd HICd Hot LCC LCdE LOCd nbUZ nFLS nGrd nSEn PdrY PL PLOC PPCd PP PUSH rCC rCdE SEFL SEn tF AS tInE Door Circuit is Open Dryer Sensor Circuit Failure Degree in Fahrenheit No Cycle in Progress Flash Display Active Free Dry Mode Anti-W rinkle Delay Time Anti-W rinkle On T ime Anti-W rinkle Program Active H[...]

43 SECTION VI PHASE 5 SYSTEM DIAGNOSTICS All major circuits, including door , lint door , lint drawer , microprocessor temperature sensor, heat and motor circuits are monitored. The Phase 5 Dual Microprocessor Controller ( DMC) computer will inform the user , via the L.E.D. display and at the outputs of each relay (and door switch circuit) to easil[...]

44 170°F (77° C) or lower and the Phase 5 DMC (computer is manually reset by closing and opening the Program Switch (PS). B. L.E.D. Display Indicators (DOT) The L.E.D. indicator dots located at the top portion of the display (refer to the illustration on page 61 ) indicate the various microprocessor controller (computer) output functions while a [...]

45 D. Phase 5 DMC (Computer) Input and Output L.E.D. Indicators[...]

46 3K DVH0 L FURSURFHVVRU&R QW URO O H U 3 U R JU DPP L QJ /L PL WV 3/ 3GU< $ X WR& F O H SHU FHQ W DJHRI GU Q HV V W R  3/ + ,  'U L Q J7 HP SHU DW X U H   W R )  W R   & ?[...]

ADC 450162 1 - 10/15/98-50[...]