ADC AD-320 Installation Manual Download Page 54

Page: 54 / 60

American Dryer Corp.

112144 - 46

S. No heat (ELECTRIC MODELS ONLY)...both the Dual Microprocessor Controller (DMC)

computer heat indicator dot and “HEAT” output light emitting diode (L.E.D.) indicator are on...but
electric oven is not operating...

1. Fault in sail switch circuit...

a. Sail switch is out of adjustment or has failed.

b. Sail switch damper is not closing or is fluttering...

1) Lint drawer/screen is dirty or clogged.

2) Restriction in exhaust ductwork.

2. Fault in oven hi-limit circuit or thermostat.

3. Fault in basket (tumbler) hi-limit circuit or thermostat.

4. Failed oven contactor.

5. Failed oven electric element.

T. No heat (STEAM MODELS ONLY)...both the DMC computer heat indicator dot and “HEAT”

output L.E.D. indicator are on...but steam damper system is not operating...

1. Fault in basket (tumbler) hi-limit circuit or thermostat.

2. No external compressed air to steam damper (80 PSI [5.51 bar] required).

3. Steam damper is stuck or damper system airflow control valve is not adjusted properly.

4. Failed steam damper 24 VAC pneumatic solenoid switch.

5. Failed steam damper piston.

U. Dryer operates, but is taking too long to dry...

1. Exhaust ductwork run is too long or is undersized...back pressure

must be

no less than 0 and

cannot

exceed 0.3

inches (0.74 mb) water column (W.C.).

2. Low and/or inconsistent gas pressure (gas models only).

3. Insufficient make-up air.

4. Poor air/gas mixture at burner (gas models only)...yellow or poor flame pattern. Adjust gas burner air adjustment

shutters.

5. Lint drawer/screen is not being cleaned out on a regular basis or often enough.

6. Extractors (washers) are not performing properly.

7. Sail switch is fluttering...restriction in exhaust (gas and electric models only).

8. Failed DMC computer temperature sensor...temperature calibration is inaccurate.

9. Failed DMC computer...temperature calibration is inaccurate.

10. Failed burner/oven hi-limit (gas and electric model only).

11. Failed basket (tumbler) hi-limit thermostat.

Summary of Contents for AD-320

Page 1: ...t ou la zone Appelez immédiatement votre fournisseur de gaz depuis un voisin Suivez les instructions du fournisseur Si vous ne pouvez rejoindre le fournisseur de gaz appelez le service des incendies L installation et l entretien doivent être assurés par un installateur ou un service d entretien qualifié ou par le fournisseur de gaz WARNING For your safety the information in this manual must be fol...

Page 2: ..._______________________________ ____________________________________________________________________________________________________ Replacement parts can be obtained from your reseller or the ADC factory When ordering replacement parts from the factory you can FAX your order to ADC at 1 508 678 9447 or telephone your order directly to the ADC Parts Department at 1 508 678 9000 Please specify the ...

Page 3: ...ate of California to cause cancer birth defects and other reproductive harm In the State of Massachusetts the following installation instructions apply Installations and repairs must be performed by a qualified or licensed contractor plumber or gasfitter qualified or licensed by the State of Massachusetts If using a ball valve it shall be a T handle type A flexible gas connector when used must not...

Page 4: ...FILTER SCREEN IN PLACE EVEN IF AN EXTERNAL LINT COLLECTION SYSTEM IS USED Dryer 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 IMPORTANT Dryer must be installed in a location environment which the ambient temperature remains between 40 F 4 44 C and 130 F 54 44 C WARNING UND...

Page 5: ...npacking Setting Up 11 B Location of the Dryer 11 C Dryer Enclosure Requirements 12 D Fresh Air Supply Requirements 13 E Exhaust Requirements 14 F Electrical Information 22 G Gas Information 25 H Steam Piping Hookup 29 I Preparation For Operation 34 J Preoperational Test 34 K Shutdown Instructions 37 SECTION IV OPERATING INSTRUCTIONS 38 A Starting the Dryer 38 SECTION V SERVICE PARTS INFORMATION 4...

Page 6: ...y 41 C Returning Warranty Parts 41 SECTION VII ROUTINE MAINTENANCE 43 A Cleaning 43 B Adjustments 44 C Lubrication 44 SECTION VIII TROUBLESHOOTING 45 SECTION IX PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS 52 Optional Exhaust Duct Kit 55 Optional Gas Piping Kit 55 ...

Page 7: ...nt should be accepted but the number received and the number refused must be noted on the receipt 4 If you determine that the dryer was damaged after the trucker has left your location you should call the delivering carrier s freight terminal immediately and file a claim The freight company considers this concealed damage This type of freight claim is very difficult to get paid and becomes extreme...

Page 8: ...building or area of ALL occupants e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions f If you cannot reach your gas supplier call the fire department 5 Installation and service must be performed by a qualified installer service agency or gas supplier 6 Dryer s must be exhausted to the outdoors 7 Although ADC produces a very versatile dryer there are...

Page 9: ...aning solvents or fumes 13 Remove articles from the dryer as soon as the drying cycle has been completed WARNING Articles left in the dryer after the drying and cooling cycles have been completed can create a fire hazard 14 DO NOT operate steam dryers with more than 125 PSI 8 62 bar steam pressure Excessive steam pressure can damage steam coil and or harm personnel 15 Replace leaking flexible hose...

Page 10: ...___________________________________________________________________________________ ___________________________________________________________________________________________________________________________________ ___________________________________________________________________________________________________________________________________ ____________________________________________________...

Page 11: ...z 333 cfm 9 44 cmm HEAT INPUT PER POCKET 60 000 Btu hr 15 120 kcal hr EXHAUST CONNECTION DIAMETER PER POCKET 6 15 24 cm COMPRESSED AIR CONNECTION N A COMPRESSED AIR VOLUME N A INLET PIPE CONNECTION PER POCKET 1 2 F N P T 1 2 B S P T CE and Australia Only VOLTAGE AVAILABLE 208 416V 1 3ø 2 3 4w 50 60 Hz APPROXIMATE NET WEIGHT 760 lb 344 7 kg APPROXIMATE SHIPPING WEIGHT 795 lb 360 6 kg AIRFLOW PER PO...

Page 12: ...8 American Dryer Corp 112144 46 NOTE ADC reserves the right to make changes in specifications at any time without notice or obligation SPECIFICATIONS AD 320 ...

Page 13: ...ø 2 3 4w 50 60 Hz APPROXIMATE NET WEIGHT 793 lb 359 7 kg APPROXIMATE SHIPPING WEIGHT 860 lb 390 1 kg AIRFLOW PER POCKET 60 Hz 400 cfm 11 33 cmm 50 Hz 333 cfm 9 44 cmm EXHAUST CONNECTION DIAMETER PER POCKET 6 15 24 cm COMPRESSED AIR CONNECTION N A COMPRESSED AIR VOLUME N A OVEN SIZE PER POCKET kW Btu hr kcal hr 15 51 228 12 910 VOLTAGE AVAILABLE 100 240V 1ø 2w 50 60 Hz APPROXIMATE NET WEIGHT 837 lb...

Page 14: ...10 American Dryer Corp 112144 46 SPECIFICATIONS AD 330 NOTE ADC reserves the right to make changes in specifications at any time without notice or obligation ...

Page 15: ...the skid or with the skid removed To unskid the dryer locate and remove the four 4 bolts securing the base of the dryer to the wooden skid Two 2 are at the rear of the base and two 2 are located in the front Once the bolts are removed slide the dryer off the skid With the skid removed to make it easier to slide the dryer into its final position slightly lower ALL four 4 leveling legs so that the d...

Page 16: ...ucting and remove any lint build up IMPORTANT Dryer must be installed in a location environment which the ambient temperature remains between 40º F 4 44º C and 130º F 54 44º C C DRYER ENCLOSURE REQUIREMENTS Bulkheads and partitions should be made of noncombustible materials and must be located a minimum of 12 inches 30 48 cm above the dryer outer top except along the front of the dryer which may b...

Page 17: ... dryers For example for a bank of eight 8 dryers a total make up air opening of 12 square feet 1 15 square meters is required Two 2 openings measuring 2 feet by 3 feet 0 61 meters by 0 91 meters 6 square feet 0 56 square meters are acceptable The dryer must be installed with provisions for adequate combustion and make up air supply Allowances must be made for remote or constricting passageways or ...

Page 18: ...s sectional area is provided It is suggested that the use of 90 turns in ducting be avoided use 30 or 45 angles instead Excluding basket tumbler dryer elbow connections or elbows used for outside protection from the weather no more than two 2 elbows should be used in the exhaust duct run If more than two 2 elbows are used the cross section area of the ductwork must be increased in proportion to th...

Page 19: ...ductwork can only be increased to an extent When the ductwork approaches the maximum limits as noted in this manual a professional heating venting and air conditioning HVAC firm should be consulted for proper venting information The ductwork should be smooth inside with no projections from sheet metal screws or other obstructions which will collect lint When adding ducts the duct to be added shoul...

Page 20: ...16 American Dryer Corp 112144 46 ...

Page 21: ...112144 46 www adclaundry com 17 ...

Page 22: ...18 American Dryer Corp 112144 46 ...

Page 23: ...ea of a square or rectangular duct must be increased twenty percent 20 for each additional 15 feet 4 57 meters The diameter of a round exhaust must be increased ten percent 10 for each additional 15 feet 4 57 meters IMPORTANT For extended ductwork runs the cross sectional area of the ductwork can only be increased to an extent Maximum proportional ductwork run cannot exceed 15 feet 4 57 meters mor...

Page 24: ...els vertically up through the roof it should be protected from the weather by using a 180º turn to point the opening downward In either case allow at least twice the diameter of the duct between the duct opening and nearest obstruction IMPORTANT DO NOT use screens louvers or caps on the outside opening of the exhaust ductwork NOTE Refer to the illustrations on page 21 for examples of multiple drye...

Page 25: ...112144 46 www adclaundry com 21 ...

Page 26: ...THE WARRANTY It is recommended that a separate circuit servicing each basket tumbler be provided The dryer must be connected to copper wire only DO NOT use aluminum wire which could cause a fire hazard NOTE The use of aluminum wire will VOID THE WARRANTY 2 Electrical Connections A wiring diagram is included with each dryer showing the wiring connection sequence The electrical connections are made ...

Page 27: ...TEST EDITION or in Canada the installation must conform to applicable Canada Standards Canadian Electrical Codes Parts 1 2 CSA C22 1 1990 or LATEST EDITION The ground connection may be to a proven earth ground at the location service panel For added personal safety when possible it is suggested that a separate ground wire sized per local codes be connected from the ground connection of the dryer t...

Page 28: ...lay current limiting class RK1 or RK5 ONLY Calculate determine correct fuse value by applying either local and or National Electrical Codes to listed appliance amp draw data Circuit breakers are thermal magnetic industrial type ONLY For others calculate verify correct breaker size according to appliance amp draw rating and type of breaker used Circuit breakers for 3 phase 3ø dryers must be 3 pole ...

Page 29: ...ly as noted can cause irreparable damage to the gas valve which will VOID THE WARRANTY WARNING FIRE OR EXPLOSION COULD RESULT 1 Gas Supply The gas dryer installation must meet the American National Standard National Fuel Gas Code ANSI Z223 1 LATEST EDITION or in Canada the Canadian Installation Codes CAN CGA B149 1 M91 Natural Gas or CAN CGA B149 2 M91 L P Gas or LATEST EDITION as well as local co...

Page 30: ...9 mb 11 0 inches W C 27 4 mb Shaded areas are stated in metric equivalents b Natural Gas Regulation is controlled by each gas valve s internal regulator Incoming supply pressure must be consistent between a minimum of 6 0 inches 14 92 mb and a maximum of 12 0 inches 29 9 mb water column W C pressure c Liquid Propane L P Gas Dryers made for use with L P gas have the gas valve s internal pressure re...

Page 31: ...he dryer is provided with two 2 1 2 N P T inlet pipe connections one 1 for each basket tumbler at the rear of the dryer If a separate feed is provided for each basket tumbler from the main supply line header then a 1 2 12 7 mm line connection is sufficient However if the top and bottom basket tumbler connections are connected together the supply from the header must be increased to 3 4 inch 19 05 ...

Page 32: ... the supply line servicing the bank of dryers An in line pressure regulator must be installed in the gas supply line header if natural gas line pressure exceeds 12 0 inches 29 9 mb water column W C pressure Refer to the illustration on page 29 for details IMPORTANT Water column pressure of 3 5 inches 8 7 mb for natural gas dryers and 10 5 inches 26 1 mb for L P gas is required at the gas valve pre...

Page 33: ...r check the downward pitch of the heat exchanger from front to rear with a level Likewise check the downward pitch of the return condensate manifold toward its outlet part Absence of these downward pitches will result in probable water hammer and premature heat exchanger fracture and leakage The presence of condensate in the steam will cause water hammer and subsequent heat exchanger failure The s...

Page 34: ...ent any condensate from entering the steam coil Flexible hoses or couplings must be used The dryer vibrates slightly when it runs and this will cause the steam coil connections to crack if they are hard piped to the supply and return mains Shutoff valves for each dryer should be installed in the supply return and drip trap return lines This will allow the dryer to be isolated from the supply and r...

Page 35: ... dryer installation The steam damper piston assemblies are independently packaged and are shipped in the rear section of the dryer The steam coils are shipped in a separate container one 1 box crate which includes both coils included with the dryer but not in the dryer 1 Prior to installing steam damper plate locate air supply Port No 3 on the solenoid valve refer to Illustration C on page 32 2 In...

Page 36: ...ing refer to Illustration C on this page 9 Plug the electrical connector from the dryer to the mating electrical connector on the air control plate as shown in Illustration C on this page NOTE Turning knob on flow control valve clockwise CW will restrict airflow Turning knob on flow control valve counterclockwise CCW will increase airflow ...

Page 37: ... bar must be provided It is suggested that a regulator filter gauge arrangement be added to the compressed air line just before the dryer connection This is necessary to insure that correct and clean air pressure is achieved 4 Steam Operation Steam operation was tested and adjusted prior to shipping at 80 PSI 5 51 bar If damper air adjustment is necessary locate the flow control knob as shown in t...

Page 38: ...ed in place 9 Rotate the basket tumbler by hand to be sure they move freely 10 STEAM MODELS check to insure that the air supply 80 PSI 5 51 bar is on the dryer 11 For more effective automatic door closure and better tumbling action and improved efficiency the dryer should be tilted slightly to the rear J PREOPERATIONAL TEST ALL dryers are thoroughly tested and inspected before leaving the factory ...

Page 39: ...on for the upper basket tumbler The L E D display will now read selection setting made and the drying time portion of the L E D display will read 00 and count upwards in time NOTE The dryer can be stopped at any time by opening the main door To restart the dryer shut the main door and press the desired setting 3 Open the main door to stop the dryer and change selection to PERM PRESS medium setting...

Page 40: ...open and or close too fast make the necessary adjustments at the steam damper piston flow control valve Refer to the illustration on page 33 4 Make a complete operational check of ALL safety related circuits i e lint basket switches and sail switches 5 Each basket tumbler should be operated through one 1 complete cycle to assure that no further adjustments are necessary and that ALL components are...

Page 41: ...period of time the following must be performed 1 Discontinue power to the dryer both baskets tumblers either at the external disconnect switch or the circuit breaker 2 Discontinue the gas or steam supply a GAS MODELS discontinue the gas supply 1 SHUT OFF external gas supply shutoff valve for both the top basket tumbler and the bottom basket tumbler where the independent supply line for each basket...

Page 42: ...er selected will read the setting and the time vended i e LO 10 d The cycle time will count down until the drying and cooling cycles are completed e Upon completion of the drying cycle and cooling cycle the dryer will shut off the tone buzzer will sound for 5 seconds and the L E D display will read donE NOTE If the Anti Wrinkle program is active the L E D display will remain reading donE and the D...

Page 43: ...is the low temperature range Once the fabric temperature setting selection has been determined you start the dryer by pressing the fabric setting key for the basket tumbler being used i e LO TEMP setting for the upper basket tumbler b The dryer will now start and the L E D display for the basket tumbler selected will read the setting selection and the drying portion of the L E D display will read ...

Page 44: ...number and serial number so that your inquiry is handled in an expeditious manner B PARTS 1 Replacement parts should be purchased from the reseller from whom the ADC equipment was purchased If the reseller cannot be contacted or is unknown contact the ADC Parts Department for a reseller in your area Parts may also be purchased directly from the factory by calling the ADC Parts Department at 508 67...

Page 45: ...DC reseller from whom you purchased the equipment and request a dryer warranty form If the reseller cannot be contacted or is unknown warranty information can be obtained from the factory by contacting the ADC Warranty Department at 508 678 9000 NOTE Whenever contacting the ADC factory for warranty information be sure to have the dryer s model number and serial number available so that your inquir...

Page 46: ...ot damaged in transit Damage claims are the responsibility of the shipper IMPORTANT No replacements credits or refunds will be issued for merchandise damaged in transit 5 ALL returns should be shipped to the ADC factory in such a manner that they are insured and a proof of delivery can be obtained by the sender 6 Shipping charges are not the responsibility of ADC ALLreturns should be prepaid to th...

Page 47: ... CREATE A POTENTIAL FIRE HAZARD WARNING KEEP DRYER AREA CLEAR AND FREE FROM COMBUSTIBLE MATERIALS GASOLINE AND OTHER FLAMMABLE VAPORS AND LIQUIDS NOTE Suggested time intervals shown are for average usage which is considered six 6 to eight 8 operational running hours per day IMPORTANT Dryer produces combustible lint and must be exhausted to the outdoors Every 6 months inspect the exhaust ducting an...

Page 48: ...s screws bearing setscrews grounding connections and nonpermanent gas connections unions shutoff valves and orifices Motor and drive belts should be examined Cracked or seriously frayed belts should be replaced Tighten loose V belts when necessary Complete operational check of controls and valves Complete operational check of ALL safety devices door switches lint drawer switch sail switch burner a...

Page 49: ...g returned to the factory The information provided should not be misconstrued as a handbook for use by an untrained person making repairs IMPORTANT When replacing blown fuses the replacement must be of the exact rating as the fuse being replaced WARNING ALL SERVICE AND TROUBLESHOOTING SHOULD BE PERFORMED BY A QUALIFIED PROFESSIONAL OR SERVICE AGENCY WARNING WHILE MAKING REPAIRS OBSERVE ALL SAFETY ...

Page 50: ...ead cycle in progress indicator dots are off and dryer can be restarted by pressing selection key 1 Intermittent connection in main door lint drawer circuit a Main door switch or lint drawer switch out of proper adjustment b Loose connection in main door switch or lint drawer switch wiring c Failed main door switch or lint drawer switch G The dryer does not start and the DMC computer L E D display...

Page 51: ...ter L E D display reads Hot The Hot display condition indicates a possible overheating condition The DMC computer monitors the temperature in the dryer at ALL times If the DMC computer detects that the temperature in the dryer has exceeded 170 F 77 C it will disable ALL of the dryer outputs shut the dryer down the buzzer tone will sound for approximately 5 seconds and the L E D display will read H...

Page 52: ...rd touch pad label assembly 2 Failed DMC computer M DMC computer locks up and the L E D display reads erroneous message s or ONLY partial segments 1 Transient power voltage spikes disconnect power to the dryer wait 1 minute NOTE for dryer models with the optional battery back up disconnect battery then reestablish power to the dryer If a problem is still evident proceed to Item M2 Item M3 and Item...

Page 53: ...ailed DSI ignitor and or flame probe assembly Q No heat GAS MODELS ONLY ignitor sparks but there is no flame at burner 1 DSI ignitor probe out of adjustment a Reposition ignitor assembly closer to the burner ribbon area Also check to make sure ribbon is flush ALL around the top of the burner tube ribbon should not stick up at any area b Check gap between ignitor assembly and top of the burner Gap ...

Page 54: ...mper 80 PSI 5 51 bar required 3 Steam damper is stuck or damper system airflow control valve is not adjusted properly 4 Failed steam damper 24 VAC pneumatic solenoid switch 5 Failed steam damper piston U Dryer operates but is taking too long to dry 1 Exhaust ductwork run is too long or is undersized back pressure must be no less than 0 and cannot exceed 0 3 inches 0 74 mb water column W C 2 Low an...

Page 55: ...ct s caught in the basket tumbler wrapper area 2 Basket tumbler is out of proper alignment a Check both the vertical alignment and lateral alignment b Check gap between the front panel and the basket tumbler setscrews may have come loose and basket tumbler walked forwards or backwards 3 Loose or broken basket tumbler tie rod 4 Broken basket tumbler support X Excessive noise and or vibration 1 Drye...

Page 56: ...ontroller computer board reestablish power to the dryer b Start the drying cycle c Verify that the motor s and the heat indicator dots in the microprocessor controller computer light emitting diode L E D display are on Refer to the illustration below d Verify that the motor s heat and door indicator lights on the back side of the microprocessor controller computer board are lit Refer to the illust...

Page 57: ...art the drying cycle When the gas burner ignites within the chosen trial for ignition time 6 seconds the flame sensor detects gas burner flame and signals the DSI module to keep the gas valve open as long as there is a call for heat The DSI module will LOCKOUT if the gas burner flame is not sensed at the end of the trial for ignition period The trial for ignition period will be repeated for a tota...

Page 58: ...imately 8 seconds The burner flame should now be established e With the burner flame on remove the flame sensor wire from the FS terminal of the DSI module f The burner flame must shut off and the ignition module must lockout with the DSI module s indicator light red g Stop the drying cycle with the flame sensor wire still removed restart the drying cycle h The ignition module must proceed through...

Page 59: ...2035 Optional Gas Piping Kit ADG 330 ADG 320 ADC Part No 880128 ITEM QTY P N DESCRIPTION 1 1 143600 10 X 6 X 6 Y DUCT 2 1 143519 FLEX DUCT 6 x 4 LONG 3 1 143509 FLEX DUCT 6 x 8 LONG 4 2 143536 45º ELBOW 6 5 12 150300 10 x 1 2 SELF DRILLING SCREW NOT ILLUSTRATED 12 117505 ALUMINUM DUCT TAPE ...

Page 60: ...ADC Part No 112144 46 07 24 14 ...

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