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American Dryer Corp. AD-758DV User's Manual

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1. SRK ROE KIKI KONI 15509999090 HK HH HHH HHS RIRES 040044 094080 400 RSS SCI OEE OER IKKE KIRK S 1 RESO IKKE HKD KE ESSONNE BKK KHER HOI 12 Re IH 12 45404 0 4 454 RONDE IERIE EK HK IKK 30 48 ISOS EKER KIKI INNS 020 1829232820209299 S SSSR KIOSK J999999999000 3090909999999990 X9999009 509090909090 0000 50 1 lt 99 gt gt RES lt lt J X9990909 DD 959004 REAR WAIL 325032300090 e VEAR WALL 19999999090 N e lt KEKE KEKE 59999999909001 999993 gt 2 lt lt 5998 EKER Re XR 99999988 9999 lt ISSIS tete 99988 9999 serres 600000 S9990909 _ gt R lt lt ux OH 505 S E NOTE Allowances must be made for the opening of the control door Dryers may be positioned sidewall to sidewall However a 1 16 1 5875 mm minimum allowance must be made for the opening and closing of the control door and the lint door It is suggested that the dryer be positioned about 2 feet 0 61 meters away from the nearest obstruction for ease of installation mainten
2. 5 5 x X t1 00065 ide d I Eh d um Cee n Ie 11 N 23 UL Ez b e e e e D T gt um jd Na kuz N e AJET HEAT TR 58 e Open main door The dryer must stop and ALL indicator lights on the back side of the microprocessor controller computer board must go out Refer to the illustration on the previous page f Try to restart the dryer with the main door open g The microprocessor controller computer board s light emitting diode L E D display must read DOOR h Close the main door and restart the dryer i Functional check of microprocessor controller computer board is complete For Models With Johnson Controls Direct Spark Ignition DSI Module G760 Theory Of Operation Start 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 total of three 3 retries trials the initial try and two 2 more retries trials If the flame is not sensed at the end of the third retry trial inter purge period of 30 seconds the DSI module will LOCKOUT
3. dar n a tea e dak 38 Lh DOWN Isto BODS mee UA 38 SECTION IV SERVICE PARTS INFORMATIOQONN 2 5 resa nne eoa ee Ke e ee 39 SEVICE e 39 DD r 39 SECTION WARRANTY INFORMATION noU Enn ne aepo 40 Rene Warranty evident vm ur eI un UE tue Ne 40 BA Waranty M dodo dL etc M Md 40 C Returning Warranty lt lt 5i5 ote MUS te 40 SECTION VI ROUTINE MAINTENANCE coa see ose eee see ooo ooo be a Eus eain eee eee o Ke 42 AC t 42 B XO usttnetils ml ah 43 C gt ky ds 43 BD Mint Drawek ida ILS ESL 44 SECTION TROUBLESHOOTING ennemie 45 Microprocessor Controller Computer Models ss 45 Dual MOIS sn ss tnt ee ceu et UP DEP 51 SECTION VIII DATA LABEL INFORMATION ra Green a Vo Sa ee VY aa anao n 55 As Data err ER RE RER A RUE ER b n 55 SECTION IX R
4. L E D flashes A steady L E D indicator indicates normal operation No L E D indicator indicates a power or an internal failure has occurred 59 SECTION XI BURNER AND BASKET TUMBLER LINT CHAMBER MANUAL RESET HI LIMIT INSTRUCTIONS IMPORTANT MANUAL RESET HI LIMIT INSTRUCTIONS FOR DUAL TIMER OR PHASE 5 WITHOUT HEAT FAULT GAS MODELS ONLY This dryer was manufactured with a burner manual reset hi limit and basket tumbler lint chamber hi limit thermostat If either burner manual reset hi limit thermostat is open prior to the start of the drying cycle or during the cycle the dryer will not recognize the open state of the burner hi limit thermostat and will start or continue through the drying cycle with no heat Manual reset hi limit thermostat must be reset manually This hi temperature condition may be caused due to a restricted exhaust poor airflow or improper burner oven operation The location of the manual reset hi limit switch is on the left side of the burner box and the basket tumbler hi limit is located in the lint chamber area IMPORTANT This dryer is equipped with a burner hi limit and tumbler lint chamber hi limit thermostat which must be reset manually WARNING Discontinue power to dryer before attempting to reset hi limit ADC PIN 114093 60 IMPORTANT MANUAL RESET HI LIMIT INSTRUCTIONS FOR DUAL TIMER OR PHASE 5 WITHOUT HEAT FAULT ELECTRIC OR STEAM MO
5. 13 Failed hi limit thermostat for Electric Models Only Extractors washers are not performing properly Low and or inconsistent gas pressure for Gas Models Only Gas supply may have low heating value for Gas Models Only Sail switch is fluttering for Gas and Electric Models Only a Restriction in location exhaust system Fault in electric oven element circuit for Electric Models Only a Failed element s b Failed oven contactor relay Exceptionally cold humid or low barometric pressure atmosphere Blower impellor fan motor rotation direction is incorrect Dryer is cycling on or tripping hi limit thermostat for Gas and Electric Models ONLY Blower impellor fan motor failure Blower impellor fan motor rotation direction is incorrect Insufficient make up air Restriction in location exhaust system a Undersized exhaust ducting Lint screen needs cleaning Failed hi limit thermostat Failed oven contactor relay for Electric Models Only 54 A DATA LABEL Contact American Dryer Corporation SECTION VIII DATA LABEL INFORMATION ONG T _ MODEI SERIAL NUMBER ye RING CODE NUMBER N gt FUN V4 y OF IC N J GAS NATURAI ELECTRC _ pe E NSI Z21 5 2 CLOTHES DRYER VOL SEC USES VOL 2 xFOR CANADIAN INSTALLATIONS WITH ELEVATIONS BETWEEN 2 000 AND 4 500 F HEAT INPU ORIFICE S
6. SYSTEM IS USED 18 F ELECTRICAL INFORMATION 1 Electrical Requirements It is your responsibility to have ALL electrical connections made by a properly licensed and competent electrician to assure that the electrical installation is adequate and conforms to local and state regulations or codes In the absence of such codes ALL electrical connections materials and workmanship must conform to the applicable requirements of the National Electrical Code ANSI NFPA NO 70 LATEST EDITION or in Canada the installation must conform to applicable Canadian Standards Canadian Electrical Codes Parts 1 amp 2 CSA C22 1 1990 or LATEST EDITION for Electrical Connections IMPORTANT Failure to comply with these codes or ordinances and or the requirements stipulated in this manual can result in personal injury or component failure NOTE Component failure due to improper installation will VOID THE WARRANTY IMPORTANT Each circuit must be connected to an independently protected branch circuit IMPORTANT USE ONLY COPPER CONDUCTOR CABLE of proper ampacity and insulation in accordance with electrical codes for making service connections NOTE Theuse ofaluminum wire will VOID THE WARRANTY IMPORTANT A separate circuit servicing each dryer must be provided 2 Electrical Service Specifications a Electric Service 1 Gas Models and Steam Models ONLY IMPORTANT The dryer must be connected to the electric
7. AD 758DV Gas DSI Electric Steam Installation Manual WARNING For your safety the information in AVERTISSEMENT Assurez vous de bien this manual must be followed to minimize the suivre les instructions donn es dans cette notice risk of fire or explosion or to prevent property pour r duire au minimum le risque d incendie damage personal injury or death ou d explosion ou pour viter tout dommage mat riel toute blessure ou la mort Do not store or use gasoline or other flammable Ne pas entreposer ni utiliser d essence ni vapors and liquids in the vicinity of this or any d autres vapeurs ou liquides inflammables a other appliance proximit de cet appareil ou de tout autre appareil WHAT TO DO IF YOU SMELL GAS QUE FAIRE SI VOUS SENTEZ UNE ODEUR Do nottry to light any appliance DEGAZ Do not touch any electrical switch do not use any phone in your building Ne pas tenter d allumer d appareils Clear the room building or area of all occupants Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier Netouchez aucun interrupteur Ne pas vous servir des t l phones se trouvant dans le b timent vacuez la pi ce le b timent ou la zone Appelez imm diatement votre fournisseu
8. National Fuel Gas Code ANSI Z223 1 LATEST EDITION or in Canada the Canadian Installation Codes CAN CGA B 149 1 M91 Natural Gas or CAN CGA B149 2 M91 L P Gas LATEST EDITION for General Installation and Gas Plumbing as well as local codes and ordinances and must be done by a qualified professional NOTE Undersized gas piping will result in ignition problems slow drying increased use of energy and can create a safety hazard The dryer must be connected to the type of heat gas indicated on the dryer label affixed to the upper left side panel area behind the top control access door If this information does not agree with the type of gas available DO NOT operate the dryer Contact the reseller who sold the dryer or contact the ADC factory IMPORTANT Any burner changes or conversions must be made by a qualified professional The input ratings shown on the dryer data label are for elevations up to 2 000 feet 610 meters unless elevation requirements of over 2 000 feet 610 meters were specified at the time the dryer order was placed with the factory The adjustment or conversion of dryers in the field for elevations over 2 000 feet 610 meters is made by changing each burner orifice If this conversion is necessary contact the reseller who sold the dryer or contact the ADC factory 26 2 Technical Gas Data a Gas Specifications TYPE OF GAS NATURAL LIQUID PROPANE Manifold Pressure 3
9. AIRFLOW 750 cfm 21 2 cmm DRYERS PER 20 40 CONTAINER 10 20 DRYERS PER 48 53 TRUCK 24 26 VOLTAGE AVAILABLE 120 460v 19 30 3 4w 50 60 Hz APPROX WEIGHT UNCRATED 721 18 327 kg APPROX WEIGHT CRATED 771 18 349 7 kg HEAT INPUT 175 000 btuh 44 100 kcal hr INLET PIPE CONNECTION 34 RPT OVEN SIZE xw BIUH KCAL HR Q 60 Hz 50 Hz Z 30 102 390 25 800 APPLIED VOLTAGE PHASE APPROX DRAW kw 208 18 240 19 208 39 240 39 380 30 416 30 460 30 60 Hz 50 Hz 50 60 Hz 60 Hz 50 Hz 50 60 Hz 60 Hz 50 Hz 60 Hz 50 Hz 60 Hz 50 Hz 30 8 77 bo an VOLTAGE AVAILABLE 120 460v 19 39 3 4w 50 60 Hz APPROX WEIGHT UNCRATED 752 lbs 341 1 kg APPROX WEIGHT CRATED 802 lbs 363 8 kg COMPRESSED AIR VOLUME 0 75 cfh 0 02 cmh AIR CONNECTION 1 8 STEAM CONSUMPTION BOILER HP NORMAL LOAD 205 Ibs hr 92 98 kg hr 6 OPERATING PRESSURE SUPPLY CONNECTION RETURN CONNECTION 125 PSI max 8 6 bars 1 F P T 1 Shaded areas are stated in metric equivalents AD 758DV 50 Hz 1 phase 19 non reversing dryers use 3 4 HP 0 56 kw motor ALL AD 758DV reversing dryers are supplied with two 2 3 phase 3g motors standard a 1 2 HP 0 37 kw blower motor and a 1 2 HP 0 37 kw drive motor Size of piping to dryer varies with installation conditions Contact factory for assistance Contact factory for information not listed 3 ph
10. Attention Au moment de l entretien des Caution Label all wires prior to commandes tiquetez tous les fils avant de disconnection when servicing controls Wiring f les d brancher Des erreurs de c blage errors can cause improper operation peuvent entrainer un fonctionnement inad quat et dangereux CAUTION DRYERS SHOULD NEVER BE LEFT UNATTENDED WHILE IN OPERATION WARNING CHILDREN SHOULD NOT BE ALLOWED TO PLAY ON OR NEAR THE DRYER S CHILDREN SHOULD BE SUPERVISED IF NEAR DRYERS IN OPERATION FOR YOUR SAFETY DO NOT DRY MOP HEADS IN THE DRYER DO NOT USE DRYER IN THE PRESENCE OF DRY CLEANING FUMES WARNING UNDER NO CIRCUMSTANCES should the dryer door switches lint drawer switch or heat safety circuit ever be disabled WARNING The dryer must never be operated with any of the back guards outer tops or service panels removed PERSONAL INJURY OR FIRE COULD RESULT WARNING DRYER MUST NEVER BE OPERATED WITHOUT THE LINT FILTER SCREEN IN PLACE EVEN IFAN EXTERNAL LINT COLLECTION SYSTEM IS USED IMPORTANT PLEASE OBSERVE ALL SAFETY PRECAUTIONS displayed on the equipment and or specified in the installation 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 1 IMPORTANT INFORMATION sccscascecassevsesacscacnsseh
11. National Fuel Gas Code or ANSI NFPA NO 70 LATEST EDITION National Electrical Code or in Canada the installation must conform to applicable Canadian Standards CAN CGA B149 1 M91 Natural Gas or CAN CGA B149 2 M91 Liquid Propane L P Gas or LATEST EDITION for General Installation and Gas Plumbing or Canadian Electrical Codes Parts 1 amp 2 CSA C22 1 1990 or LATEST EDITION for Electrical Connections A LOCATION REQUIREMENTS Before installing the dryer be sure the location conforms to local codes and ordinances In the absence of such codes or ordinances the location must conform with the National Fuel Gas Code ANSI Z223 1 LATEST EDITION or in Canada the installation must conform to applicable Canadian Standards CAN CGA B149 1 M91 Natural Gas CAN CGA B149 2 M91 L P Gas or LATEST EDITION for General Installation and Gas Plumbing 1 The dryer must be installed on a sound level floor capable of supporting its weight Carpeting must be removed from the floor area that the dryer is to rest on IMPORTANT The dryer must be installed on noncombustible floors only 2 The dryer must not be installed or stored in an area where it will be exposed to water and or weather 3 The dryer is for use in noncombustible locations 4 Provisions for adequate air supply must be provided as noted in this manual refer to Fresh Air Supply Requirements in Section D 5 Clearance provisions must be made from combustible construction
12. for Gas Models ONLY Burner air shutters are out of adjustment Insufficient make up air Dust and or lint in burner Insufficient gas pressure DUAL TIMER MODELS Dryer will not start both drive motor and blower motor are not operating indicator light is off Dryer control circuit fuse is blown Open at location service main fuse or circuit breaker Failed push to start relay Failed door switch and or circuit Failed heat timer 51 6 Failed dual timer relay B Drive motor ONLY is not operating 1 Failed drive motor contactor 2 Failed reversing timer for Reversing Models Only 3 Failed drive motor C Blower motor ONLY is not operating 1 Failed impellor fan blower motor contactor relay 2 Failed blower impellor fan motor D Both drive motor and blower motor are not operating indicator light is on 1 Fault with L1 termination at reversing timer for Reversing Models Only 2 Failed drying timer E Reversing drive motor operates in one 1 direction ONLY stops and restarts in same direction for Reversing Models ONLY 1 Failed reversing contactor relay 2 Failed reversing timer Heating unit is not operating ALL temperature selections GAS MODELS ONLY 1 Fault in sail switch circuit a Sail switch is out of adjustment or has failed b Sail switch is not closing or fluttering 1 Check blower impellor fan motor and rotation direction 2 Restriction
13. 5 inches W C 8 7 mb 10 5 inches W C 26 1 mb In Line Pressure 6 0 12 0 inches W C 14 92 29 9 mb 11 0 inches W C 27 4 mb Shaded areas are stated in metric equivalents Measured at outlet side of gas valve pressure tap when gas valve is on b Gas Connections Inlet connection 3 4 Inlet supply size 3 4 N P T minimum Btu hr input per dryer 175 000 44 100 kcal hr 1 Natural Gas Regulation is controlled by the dryer s 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 2 Liquid Propane L P Gas Dryers made for use with L P gas have the gas valve s internal pressure regulator blocked open so that the gas pressure must be regulated upstream of the dryer The pressure measured at each gas valve pressure tap must be a consistent 10 5 inches 26 1 mb water column There is no regulator or regulation provided in an L P dryer The water column pressure must be regulated at the source L P tank or an external regulator must be added to each dryer TYPE OF GAS L P ADC BTU kcal hr Natural Liquid Propane Conversion Kit MODEL Per Hour Part Part Part Number Y NUMBER Rating Number 20 DM Number AD 758DV 175 000 44 100 4 30 140819 4 49 140803 882
14. Circuit breakers are thermal magnetic industrial motor curve 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 3g dryers must 3 pole type SERVICE WIRE A MINIMUM FUSING CIRCUIT VOLTAGE PHASE MPDRAW WIRE SIZE Phal PER BREAKER 60Hz 50Hz Le 120 19 2 12 20 20 208 19 2 71 15 15 240 19 2 6 5 15 15 208 36 3 47 15 15 240 36 3 4 9 5 5 15 15 380 400 36 3 4 m 2 9 15 15 416 36 3 4 m 31 15 15 460 480 36 3 4 2 8 E 15 15 AWG Stranded Wire Type size wire as per National Electrical Code or local codes IMPORTANT Figures shown are for non reversing models ONLY For reversing models contact the factory IMPORTANT The dryer must be connected to the electric supply shown on the data label that is affixed to the upper left side panel area behind the top control access door In the case of 208 VAC or 240 VAC the supply voltage must match the electric service specifications of the data label exactly IMPORTANT The wire size must be properly sized to handle the related current WARNING 208 VAC AND 240 VAC ARE NOT THE SAME Any damage done to dryer components due to improper voltage connections will automatically VOID THE WARRANTY NOTE ADC reserves the right to make changes in specifications at any time withou
15. PREOPERATIONAL INSTRUCTIONS OPL MODELS 1 To start the dryer Microprocessor controller computer dryers 1 The light emitting diode L E D display will read FILL 2 Press the E on the keyboard touch pad 3 The L E D display will quickly show Ld30 LC04 F180 The dryer will start and the L E D display will show dr30 b Dual timer dryers 1 Turn drying timer knob for a time of 20 minutes 2 Select High Temp 3 Push Push To Start switch 4 To stop dryer open the main door L SHUT DOWN INSTRUCTIONS If the dryer is to be shut down taken out of service for a period of time the following must be performed 1 Discontinue power to the dryer either at the external disconnect switch or the circuit breaker 2 Discontinue the heat supply a GAS MODELS discontinue the gas supply 1 SHUT OFF external gas supply shutoff valve b STEAM MODELS discontinue the steam supply 1 SHUT OFF external location furnished shutoff valve 38 SECTION IV SERVICE PARTS INFORMATION A SERVICE 1 Service must be performed by a qualified trained technician service agency or gas supplier If service is required contact the reseller from whom the ADC equipment was purchased If the reseller cannot be contacted or is unknown contact the ADC Service Department for a reseller in your area B PARTS 1 Replacement parts should be purchased from the reseller from whom
16. as noted in this manual refer to Dryer Enclosure Requirements in Section 6 Provisions must be made for adequate clearances for servicing and for operation as noted in this manual refer to Dryer Enclosure Requirements in Section C 7 Dryer must be exhausted to the outdoors as noted in this manual refer to Exhaust Requirements in Section E 8 Dryer must be located in an area where correct exhaust venting can be achieved as noted in this manual refer to Exhaust Requirements in Section E 9 The dryer must be installed with a proper exhaust duct connection to the outside 10 The dryer must be installed with provisions for adequate combustion and make up air supply 10 CAUTION This dryer produces combustible lint and must be exhausted to the outdoors Every six 6 months inspect the exhaust ducting and remove any lint build up UNPACKING SETTING Remove protective shipping material 1 e plastic wrap and or optional shipping box from dryer IMPORTANT Dryer must be transported and handled in an upright position at ALL times The dryer can be moved to its final location while still attached to 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 base remove the back panel for access and two 2 are located in the bottom of the lint chamber To remove the two 2 bolts located in the li
17. b Failed microprocessor controller computer Dryer stops during a cycle and L E D display returns to FILL Fault in microprocessor heat sensor circuit a Loose connection in wires between temperature sensor and microprocessor controller computer Loose connection somewhere in main power circuit to microprocessor controller computer No heat for Gas Models ONLY ignitor sparks burner goes on and off right away Direct Spark Ignition DSI ignitor flame probe is out of adjustment reposition closer to the flame area Sail switch is fluttering a Lint screen is dirty b Restriction in exhaust ductwork Insufficient make up air Failed ignitor flame probe assembly Failed DSI module Failed gas valve Heating unit is not operating no heat and heat indicator dot is on GAS MODELS ONLY Fault in sail switch circuit a Sail switch is out of adjustment or has failed 48 b Sail switch damper is not closing or is fluttering 1 Lint screen is dirty 2 Restriction exhaust ductwork Fault in burner hi limit circuit or tripped manual reset hi limit Fault in lint chamber sensor bracket or tripped manual reset hi heat protector thermostat Failed Direct Spark Ignition DSI module Failed DSI ignitor flame probe assembly Failed microprocessor controller computer ELECTRIC MODELS ONLY 1 Fault in sail switch circuit a Sail switch is out of adjustment or has failed b Sail switc
18. have an electric reversing timer in the electric service box which is located in the upper rear area of the dryer Both the dwell stop time and basket tumbler spin time are adjustable by mode selection switches located on the electronic timer as noted in the illustration below TIMING LE GE ND SPIN TIME Adjustment Position Number 1 2 3 4 5 Time in Seconds 30 60 90 120 150 DWELL STOP TIME Adjustment Position Number 1 2 3 4 5 Time in Seconds 5 6 3 7 6 8 9 10 2 Values shown are 1 second 57 SECTION X PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS 1 Microprocessor Controller Computer Board a Upon completing installation ofthe replacement microprocessor controller 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 illustration below et oe V opone rel S CUE
19. joints must be taped to prevent moisture and lint from escaping into the building Inspection doors should be installed at strategic points in the exhaust ductwork for periodic inspection and cleaning of lint from the ductwork NOTE When the exhaust ductwork passes through a wall ceiling or roof made of combustible materials the opening must be 2 inches 5 08 cm larger than the duct all the way around The duct must be centered within this opening a Outside Ductwork Protection 1 To protect the outside end of the horizontal ductwork from the weather a 90 elbow bent downward should be installed where the exhaust exits the building If the ductwork travels vertically up through the roof it should be protected from the weather by using a 180 turn to point the opening downward In either case allow at least twice the diameter of the duct between the duct opening and the nearest obstruction IMPORTANT DO NOT use screens louvers or caps on the outside opening of the exhaust ductwork 17 10 11 12 13 14 IMPORTANT VENTINGREMINDERS Ductwork size and installation should be done by a qualified professional The dryer must be exhausted to the outdoors Ductwork should be routed as short as possible to the outdoors with as few elbows as possible Avoid 90 turns use 30 or 45 turns instead For single dryer venting the size of the ductwork must be a minimum of 8 inches 20 32 cm for short runs re
20. long as the minimum cross sectional area is provided It is suggested that the use of 90 turns be avoided use 30 and or 45 bends instead The radius ofthe elbows should preferably be 1 1 2 times the diameter of the duct ALL 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 should overlap the duct to which it is to be connected ALL ductwork joints must be taped to prevent moisture and lint from escaping into the building Inspection doors should be installed at strategic points in the exhaust ductwork for periodic inspection and cleaning of lint from the ductwork 14 NOTE When the exhaust ductwork passes through a wall ceiling or roof made of combustible materials the opening must be 2 inches 5 08 cm larger than the duct all the way around The duct must be centered within this opening a Outside Ductwork Protection 1 To protect the outside end of horizontal ductwork from the weather a 90 elbow bent downward should be installed where the exhaust exits the building If the ductwork travels vertically up through the roof it should be protected from the weather by using a 180 turn to point the opening downward In either case allow at least twice the diameter of the duct between the duct opening and the nearest obstruction VERTICAL DUCTING ORIZONTA DUC TING N N NOTE A OPENING M
21. n nn U UU TURNING KNOB CONTROL CLOCK RESTRICT AIRFL COUNTERCLOCK ALLOW HIGHER SEE DETA INCOMING AIR mm SOLENOD VAL V PISTON LOW CONTRO 22 1 4 16 35 mm TUBING TO PISTON A 34 I PREPARATION FOR OPERATION START UP The following items should be checked before attempting to operate the dryer 1 24 10 11 13 14 15 Read ALL CAUTION WARNING and DIRECTION labels attached to the dryer Check incoming supply voltage to be sure that it is the same as indicated on the dryer data label affixed to the upper left side panel area behind the top control access door In the case of 208 VAC or 240 VAC the supply voltage must match the electric service specifications of the data exactly GAS MODELS Check to assure that the dryer is connected to the type of heat gas indicated on the dryer data label GAS AND ELECTRIC MODELS The sail switch damper assembly was installed and adjusted at the factory prior to shipping However each sail switch adjustment must be checked to assure that this important safety control is functioning Refer to sail switch adjustment on page 37 Check bolts nuts screws terminals and fittings for tightness and security GAS MODELS Be sure that ALL gas shutoff valves are in the open position Check ALL back guard panels and service box covers have been replaced Check the lint drawer to assure that it is closed an
22. 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 508 678 9000 or you may FAX in your order at 508 678 9447 NOTE When ordering replacement parts from the ADC reseller or the ADC factory be sure to give them the correct model number and serial number so that your parts order can be processed in an expeditious manner 39 SECTION V WARRANTY INFORMATION gt RETURNING WARRANTY CARDS 1 Before any dryer leaves the ADC factory test area a warranty card is placed on the back side of the main door glass These warranty cards are intended to serve the customer where we record the individual installation date and warranty information to better serve you should you file a warranty claim a Ifa warranty card did not come with your dryer contact the ADC Warranty Department or the ADC Service Department at 508 678 9000 IMPORTANT Aseparate warranty card must be completed and returned for each individual dryer NOTE Be sure to include the installation date when returning the warranty card s B WARRANTY For a copy of the ADC commercial warranty covering your particular dryer s contact the ADC reseller from whom you purchased the equipment and request a dryer warranty form If the reseller cannot be contacted or is unknown warranty infor
23. will prevent any condensate from draining towards the dryer The steam supply piping to the dryer must include a 12 inch 30 48 cm rise along with a drip trap and check valve This will prevent 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 line return line and drip trap return line This will allow the dryer to be isolated from the supply main and the return main if the dryer needs maintenance work Install an inverted bucket steam trap and check valve at least 12 inches 30 48 cm below the steam coil as close to the coil as possible 1 A trap with a capacity of 600 Ibs 273 kg of condensate per hour at 125 PSI 8 62 bars is needed for each unit The supply line and the return line should be insulated This will save energy and provide for the safety of the operator and maintenance personnel Water pockets in the supply line caused by low points will provide wet steam to the coil possibly causing steam coil damage ALL horizontal runs of steam supply piping should be pitched 1 4 inch 6 35 mm for every 1 foot 0 30 meters back towards the steam supply header causing the condensate in the line to drain to the header Install a bypass trap in any low point to eliminate w
24. 230 Shaded area is stated in metric equivalent Drill Material Size D M S equivalents are as follows Natural Gas Liquid Propane Gas 30 0 1285 3 2639 mm 49 0 0730 1 8542 mm 27 Piping Connections ALL components materials must conform to National Fuel Gas Code Specifications ANSI Z223 1 LATEST EDITION or in Canada CAN CGA B149 1 M91 Natural Gas or CAN CGA B149 2 M91 Liquid Propane L P Gas or LATEST EDITION for General Installation and Gas Plumbing as well as local codes and ordinances and must be done by a qualified professional It is important that gas pressure regulators meet applicable pressure requirements and that gas meters be rated for the total amount of ALL the appliance BTUs being supplied The dryer is provided with 3 4 N PT inlet pipe connection located at the right side of the base of the dryer The minimum pipe size supply line to the dryer is 3 4 N P T For ease in servicing the gas supply line of each dryer must have its own shutoff valve The size of the main gas supply line header will vary depending on the distance this line travels from the gas meter or in the case of L P gas the supply tank other gas operated appliances on the same line etc Specific information regarding supply line size should be determined by the gas supplier 28 Consistent gas pressure is essential at ALL gas connections It is recommended th
25. ANSI NFPA NO 70 LATEST EDITION or in Canada the installation must conform to applicable Canadian Standards Canadian Electrical Codes Parts 1 amp 2 CSA C22 1 1990 or LATEST EDITION for electrical connections 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 no 18 minimum be connected from the ground connection of the dryer to a grounded cold water pipe DO NOT ground to a gas pipe or hot water pipe The grounded cold water pipe must have metal to metal connection ALL the way to the electrical ground If there are any nonmetallic interruptions such as a meter pump plastic rubber or other insulating connectors they must be jumped out with no 4 copper wire and securely clamped to bare metal at both ends IMPORTANT For personal safety and proper operation the dryer must be grounded Provisions are made for ground connection in each dryer at the electrical service connection area 4 Electrical Connections A wiring diagram is located inside the control box for connection data a Gas Models and Steam Models ONLY NOTE A CIRCUIT SERVICING EACH mul DRYER MUST PROVIDED ELECTRIC SERVICE BOX COVER 1 Single Phase 19 Wiring Connections Hookup The electrical input connections on ALL single phase 16 gas dryers and steam dryers are made into the rear service box l
26. DELS ONLY This dryer was manufactured with a manual reset basket tumbler lint chamber hi limit thermostat If the manual reset thermostat is open prior to the start of the drying cycle or during the cycle the dryer will not recognize the open state of the hi limit thermostat and will start or continue through the drying cycle with no heat Manual reset hi limit must be reset manually This hi temperature condition may be caused due to a restricted exhaust poor airflow or improper heating unit operation The location of the manual reset hi limit is in the lint chamber area IMPORTANT This dryer is equipped with a lint chamber hi limit thermostat which must be reset manually WARNING Discontinue power to dryer before attempting to reset hi limit ADC P N 114501 61 ADC 113156 1 08 28 00 25 2 09 29 00 25 3 10 13 00 100 American Dryer Corp 4 01 09 01 100 5 06 20 01 100 6 12 03 01 100
27. ES should the dryer door switches lint drawer switch or heat safety circuit ever be disabled 10 This dryer is not to be used in the presence of dry cleaning solvents or fumes 11 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 12 READ AND FOLLOW ALL CAUTION AND DIRECTION LABELS ATTACHED TO THE DRYER 13 For safety proper operation and optimum performance the dryer must not be operated with a load less than sixty six percent 66 50 lbs 22 7 kg of its rated capacity WARNING YOU MUST DISCONTINUE AND LOCKOUT THE ELECTRIC SUPPLY AND THE GAS SUPPLY OR STEAM SUPPLY BEFORE ANY COVERS OR GUARDS ARE REMOVED FROM THE DRYER TO ALLOW ACCESS FOR CLEANING ADJUSTING INSTALLATION OR TESTING OF ANY EQUIPMENT PER OSHA Occupational Safety and Health Administration STANDARDS SECTION SPECIFICATIONS COMPONENT IDENTIFICATION A SPECIFICATIONS MAXIMUM CAPACITY DRY WEIGHT 75 Ibs 34 kg BASKET TUMBLER DIAMETER 37 94 cm BASKET TUMBLER DEPTH 36 91 5 BASKET TUMBLER MOTOR 3 4 HP 0 560 kw DOOR OPENING DIAMETER 21 10 54 61 TUMBLER VOLUME 22 4 cu ft 0 634 EXHAUST CONNECTION DIAMETER 8 20 3 cm
28. EVERSING TIMER SPIN DWELL ADJUSTMENTS sense 57 SECTION X PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS Sube a ba be s 009 4 Sek u ku s eske ke 58 SECTION XI BURNER AND BASKET TUMBLER LINT CHAMBER MANUAL RESET HI LIMIT INSTRUCTIONS e eere 60 Gas Models Only etes optat eoe neee cil rere av R R n dd rek bak aren e 60 steam Models Se n nek r K a tie 61 SECTION 1 IMPORTANTINFORMATION A RECEIVING AND HANDLING The dryer is shipped in a protective stretch wrap cover with protective cardboard comers and top cover or optional box as a means of preventing damage in transit Upon delivery the dryer and or packaging and wooden skid should be visually inspected for shipping damage If any damage whatsoever is noticed inspect further before delivering carrier leaves Dryers damaged in shipment 1 2 ALL dryers should be inspected upon receipt and before they are signed for If there is suspected damage or actual damage the trucker s receipt should be so noted If the dryer is damaged beyond repair it should be refused Those dryers which were not damaged in a damaged shipment should be accepted but the number received and the number refused must be noted on the receipt If you determine that the dryer was damaged after the trucker has left your location you should call th
29. IZE WEZA KW DA When contacting American Dryer Corporation certain information is required to insure proper service parts information from ADC This information is on the data label affixed to the upper left side panel area behind the top control access door When contacting ADC please have the model number and serial number available 55 THE DATA LABEL 1 MODEL NUMBER The model number is number which describes the size of the dryer and the type of heat gas electric or steam 2 SERIAL NUMBER The serial number allows ADC to gather information on your particular dryer 3 MANUFACTURING CODE NUMBER The manufacturing code number is a number issued by ADC which describes ALL possible options on your particular model 4 TYPE OF HEAT This describes the type of heat for your particular dryer gas either natural gas or liquid propane L P gas or steam 5 HEAT INPUT for GAS DRYERS This describes the heat input in British Thermal Units per Hour BTUH 6 ORIFICE SIZE for GAS DRYERS Gives the number drill size used 7 ELECTRIC SERVICE This describes the electric service for your particular model 8 GAS MANIFOLD PRESSURE for GAS DRYERS This describes the manifold pressure taken at the gas valve tap 9 APPLICABLE APPROVAL SEAL S I e Canadian Standards Association International 56 SECTION IX REVERSING TIMER SPIN DWELL ADJUSTMENTS Dual timer models with reversing option
30. UST BE TWO 2 INCHES 5 08 CM LARGER THAN DUCT HE WAY AROUND THE DUCT MUST CENTERED WITHIN THIS OPENING 2 Single Dryer Venting Where possible it is suggested to provide a separate exhaust duct for each dryer The exhaust duct should be laid out in such a way that the ductwork travels as directly as possible to the outdoors with as few turns as possible It is suggested that the use of 90 turns in the ducting be avoided use 30 and or 45 angles instead The shape of the exhaust ductwork is not critical so long as the minimum cross section area is provided 15 5 457 MAXIMUM IMPORTANT For extended ductwork runs the cross section area of the ductwork can only be increased to an extent When the ductwork approaches the maximum limits noted in this manual a professional heating venting and air conditioning HVAC firm should be consulted for proper venting information ALL 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 should overlap the duct to which it is to be connected ALL ductwork joints must be taped to prevent moisture and lint from escaping into the building Inspection doors should be installed at strategic points in the exhaust ductwork for periodic inspection and cleaning of lin
31. ame and address on the outside of the package 4 ALL returns must be properly packaged to insure that they are not 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 ALL returns should be prepaid to the factory Any C O D COLLECT returns will not be accepted IMPORTANT No replacements credits or refunds will be issued if the claim cannot be processed due to insufficient information The party filing the claim will be notified in writing either by FAX or CERTIFIED MAIL Return Receipt Requested as to the information necessary to process claim If reply is not received by the ADC Warranty Department within thirty 30 days from the FAX letter date then no replacements credits or refunds will be issued and the merchandise will be discarded 41 SECTION VI ROUTINE MAINTENANCE A CLEANING A program and or schedule should be established for periodic inspection cleaning and removal of lint from various areas of the dryer as well as throughout the ductwork system The frequency of cleaning can best be determined from experience at each location Maximum operating
32. ance and service to be measured from the back guard Refer to the illustration above for details NOTE Air considerations are important for proper and efficient operation IMPORTANT Even though a minimum of only 12 inches 30 48 cm is required 18 inches 45 72 cm or more is suggested The additional clearance is advantageous for ease of installation and service IMPORTANT When fire sprinkler systems are located above the dryers a minimum of 1 8 inches 45 72 cm above the dryer console module is required Dryers may be positioned sidewall to sidewall however a 1 16 1 5875 mm minimum allowance is required between dryers or wall for ease of installation and maintenance Allowances must be made for the opening and closing of the control door and the lint door 12 D FRESH AIR SUPPLY REQUIREMENTS When the dryer is operating it draws in room air heats it passes this air through the basket tumbler and exhausts it out of the building Therefore the room air must be continually replenished from the outdoors Ifthe make up air is inadequate drying time and drying efficiency will be adversely affected Ignition problems and sail switch fluttering problems may result as well as premature motor failure from overheating Air supply make up air must be given careful consideration to assure proper performance of each dryer An unrestricted source of air is necessary for each dryer An airflow of 750 cfm cubic feet per
33. ase 30 figures shown for 3 wire service NOTE ADC reserves the right to make changes in specifications at any time without notice or obligation Specifications AD 758DV Gas E lectric Steam xxxx 1 8 NOTE ADC reserves the right to make changes in specifications at any time without notice or obligation COMPONENT IDENTIFICATION 1 Dryer Front View N Illus No D RR 08 25 00 IS AK 5364 Description Controls Control top access Door Assembly Main Door Assembly Lint Compartment Area lint screen located behind lint door or left sidewall Data Label and Installation Label affixed to the upper left side panel area behind the top control access door 2 Dryer Rear View Illus No e X MAN4466 Description Heating Unit Electric Service Relay Box Basket tumbler Bearing Mount Assembly Idler Bearing Mount Assembly Blower Motor Assembly for reversing models only Leveling Legs rear Basket drive Motor Assembly Dryer Exhaust SECTION III INSTALLATION PROCEDURES Installation should be performed by competent technicians in accordance with local and state codes In the absence of these codes the installation must conform to applicable American National Standards ANSI Z223 1 LATEST EDITION
34. at a 3 4 inch 19 05 mm pipe gas loop be installed in the supply line servicing a bank of dryers An in line pressure regulator must be installed in the gas supply line header if the natural gas pressure exceeds 12 0 inches 29 9 mb of water column W C pressure NOTE A water column test pressure of 3 5 inches 8 7 mb for natural gas and 10 5 inches 26 1 mb for liquid propane L P dryers is required at the gas valve pressure tap of each dryer for proper and safe operation A 1 8 N PT plugged tap accessible for a test gauge connection must be installed in the main gas supply line immediately upstream of each dryer IMPORTANT Pipe joint compounds that resist the action of natural gas and L P gas must be used IMPORTANT Test ALL connections for leaks by brushing on a soapy water solution liquid detergent works well ALL components materials must conform to National Fuel Gas Code Specifications ANSI Z223 1 LATEST EDITION or in Canada CAN CGA B149 1 M91 Natural Gas or CAN CGA B149 2 M91 L P Gas or LATEST EDITION for General Installation and Gas Plumbing as well as local codes and ordinances and must be done by a qualified professional It is important that gas pressure regulators meet applicable pressure requirements and that gas meters be rated for the total amount of ALL the appliance BTUs being supplied IMPORTANT The dryer and its individual shutoff valve must be disconnected from the gas supply
35. ccess to the service box and contactor the service box cover must be removed If local codes permit power to a gas dryer or steam dryer can be made by the use of a flexible U L listed power cord or pigtail wire size must conform to rating of dryer or the dryer can be hard wired directly to the service TYPICAL STRAIN RELIEF breaker panel In ALL cases a strain relief must be installed where the wiring enters the dryer and service box area b Electric Models ONLY 3 Phase 30 Hookup The electrical input connection is made into the electric oven contactor located at the upper rear of the dryer Input connection wiring must be sized properly to handle the dryer s current draw This information is printed on the dryer s data label 22 6 3 Phase 3g Wiring Connections Hookup for Reversing Models Only The electrical connections ALL 3 phase 30 gas dryers and steam dryers are made into the rear service box located at the upper left area of the dryer Electrical connections for electrically heated dryers are made in the electric oven area located at the upper rear area of the dryer If local codes permit power to a gas dryer or steam dryer can be made by the use of a flexible U L listed power cord or pigtail wire size must conform to rating of dryer or the dryer can be hard wired directly to the service breaker panel In ALL cases a strain relief must be installed where the wiring e
36. connection in door switch circuit Microprocessor controller computer display reads dSFL Fault in microprocessor heat sensing circuit a Failed microprocessor temperature sensor b Failed microprocessor controller computer c Broken wire or connection somewhere between the microprocessor controller computer and the microprocessor temperature sensor Microprocessor controller computer display reads door Fault open circuit in door switch circuit a Failed main door switch b Broken connection wire in main door circuit Failed 24 VAC transformer Microprocessor controller computer will not accept any keyboard touch pad entries i e light emitting diode L E D display reads FILL and when keyboard touch pad entries selected the L E D display continues to read FILL Failed keyboard touch pad label assembly Failed microprocessor controller computer 47 Microprocessor controller computer will ONLY accept certain keyboard touch pad entries Failed keyboard touch pad label assembly Failed microprocessor controller computer Microprocessor controller computer locks up and light emitting diode L E D display reads erroneous message s or ONLY partial segments Transient power voltage spikes disconnect power to dryer wait 1 minute and reestablish power to dryer If problem is still evident a Failed keyboard touch pad label assembly
37. d secured in place Rotate the basket tumbler drum by hand to be sure it moves freely STEAM MODELS Check to insure that a clean dry and regulated air supply 80 PSI 5 51 bars is on the dryer with air operated damper system only STEAM MODELS Check to insure ALL steam shutoff valves are open STEAM MODELS Check steam damper operation Check basket tumbler bearing setscrews to insure that they are ALL tight Check vent is connected to the dryer and is exhausted to the outdoors There should be a source of fresh air entering the room This source should not be near where the dryers exhaust to the outside 35 J PREOPERATIONAL TESTS ALL dryers are thoroughly tested and inspected before leaving the factory However a preoperational test should be performed before the dryer is publicly used It is possible that adjustments have changed in transit or due to marginal location installation conditions 1 Turn on electric power to the dryer 2 Refer to the Operating Instructions for starting your particular model dryer 3 GAS MODELS ONLY a When a gas dryer is first started during initial start up it has a tendency not to ignite on the first ignition attempt This is because the gas supply piping is filled with air so it may take a few minutes for the air to be purged from the lines NOTE During the purging period check to be sure that ALL gas shutoff valves are open NOTE Gas dryers are equipped with a Direc
38. e 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 extremely difficult when more than a day or two passes after the freight was delivered It is your responsibility to file freight claims Dryer parts damaged in transit cannot be claimed under warranty Freight claims are the responsibility of the consignee and ALL claims must be filed at the receiving end ADC assumes no responsibility for freight claims or damages If you need assistance in handling the situation please contact the ADC Traffic Manager at 508 678 9000 B SAFETY PRECAUTIONS 1 DO NOT store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance 2 Purchaser user should consult the local gas supplier for proper instructions to be followed in the event the user smells gas The instructions should be posted in a prominent location 3 WHAT TO DO IF YOU SMELL GAS a DO NOT try to light any appliance b DO NOT touch any electrical switch c DO NOT use any phone in your building d Clear the room 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 4 Installation and service must be performed by a qualified instal
39. efficiency is dependent upon proper air circulation The accumulation of lint can restrict this airflow If the guidelines in this section are met an ADC dryer will provide many years of efficient trouble free and most importantly safe operation 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 and remove any lint build up SUGGESTED CLEANING SCHEDULE EVERY THIRD OR FOURTH LOAD Clean the lint screen every third or fourth load A clogged lint screen will cause poor dryer performance The lint screen is located in a drawer below the main door Open the lint drawer brush or vacuum the lint off the lint screen and remove the lint Inspect lint screen and replace if torn NOTE The frequency of cleaning the lint screen can best be determined from experience at each location WEEKLY Clean lint accumulation from lint chamber thermostat and microprocessor temperature sensor sensor bracket area STEAM DRYERS Clean the steam coil fins We suggest using compressed air and a vacuum cleaner with brush attachment 42 WARNING When cleaning steam coil fins be careful not to bend the fins If fins are be
40. ermanently lubricated It is physically possible to re lubricate the basket tumbler bearings if you choose to do so even though this practice is not necessary Use Shell Alvania 2 or its equivalent The basket tumbler bearings used in the dryer DO NOT have a grease fitting Provisions are made in the bearing housing for the addition of a grease fitting which can be obtained elsewhere or from ADC by ordering kit Part No 882159 which includes two 2 fittings 43 D LINT DRAWER REMOVAL To remove the lint drawer from the dryer pull drawer out approximately halfway Rotate move lint drawer stop hinge refer to the illustration below downward and pull drawer out IMPORTANT After replacing the lint drawer back into the dryer be sure to rotate move hinge back to the upward stop position 44 SECTION VII TROUBLESHOOTING IMPORTANT YOU MUST DISCONTINUE AND LOCKOUTTHE ELECTRIC SUPPLY AND THE GAS SUPPLY OR THE STEAM SUPPLY BEFORE ANY COVERS OR GUARDS ARE REMOVED FROM THE DRYER TO ALLOW ACCESS FOR CLEANING ADJUSTING INSTALLATION OR TESTING OF ANY EQUIPMENT PER OSHA Occupational Safety and Health Administration STANDARDS The information provided will help isolate the most probable component s associated with the difficulty described The experienced technician realizes however that a loose connection or broken shorted wire may be at fault where electrical components are concerned and not nece
41. et steam FF VALV 25 4 CM RISER A p N IT AN 12 3048 CM RISE MIN FLEXIBLE de d L A N 1 OR COUPLING 25 4 RISER c DBIP TRAP 10 25 4 CM RISER p 35 on No N r lt 17 Ez1 Kr J RETURN VA MAIN CHECK VALVE 12 3048 CM DROP MIN DRT LEG MANUAL SHUT VACUUM BREAKER VALVE i T Ny Ma 4 ai X MANA INVERTED BUCKET STEAM Steam Damper Air System Connections The ADS 758DV is manufactured with a pneumatic piston damper system which requires an external supply of compressed air The air connection is made to the steam damper solenoid valve which is located at the rear inner top area of the dryer just in front of the electric service relay box r SEE DETA a Air Requirements CEN There is no air requirement for dryers with the Electromechanical Steam Damper Option COMPRESSED AIR SUPPLY AIR PRESSURE NORMAL 80 PSI 5 51 bars MINIMUM SUPPLY 70 PSI 4 82 bars MAXIMUM SUPPLY 90 PSI 6 21 bars Shaded areas are stated in metric equivalents b Air Connection Air connection to system 1 8 N P T 32 c Air Regulation No air regulator or filtration is provided with t
42. factured with a pneumatic piston damper system which requires an external supply of air 80 PSI 10 PSI 5 51 bars 0 68 bars 1 Steam Coil PH Level The normal PH level for copper type steam coils must be maintained between a value of 8 5 to 9 5 For steel type steam coils the PH level must be maintained between a value of 9 5 to 10 5 These limits are set to limit the acid attack of the steam coils IMPORTANT Coil failure due to improper PH level will VOID THE WARRANTY 2 Steam Requirements OPERATING STEAM PRESSURE MAXIMUM 125 psig 862 kPa MINIMUM 100 psig 689 kPa HEAT INPUT NORMAL LOAD 6 Bhp CONSUMPTION APPROXIMATE 125 PSI 8 62 BARS 205 Ibs hr 92 98 kg hr Shaded areas are stated in metric equivalents Minimum operating pressure for optimum results 3 Installation Instructions To insure an adequate supply of steam is provided be sure that the steam lines and steam return lines are sized and laid out as stipulated in this manual Inadequate steam lines and steam return lines or improper steam plumbing will result in poor performance and can cause component failure Clean dry steam must be provided to the dryer 30 The pressure of the condensate in the steam supply will cause water hammer and subsequent heat exchanger steam coil failure The steam supply connection into the main supply line must be made with a minimum 10 inch 25 4 cm riser This
43. fer to the illustration on page 16 For longer runs the diameter must be increased The inside of the ductwork should be as smooth as possible with no projections from sheet metal screws Ducts added should overlap the duct to which it is to be connected ALL ducts should be taped to prevent moisture and lint from escaping into the building Inspection cleaning doors should be installed throughout strategic points in the ductwork for periodic inspection and cleaning Wherever the ductwork passes through combustible materials the opening must be 2 inches 5 08 cm larger than the duct all the way around The duct must be centered within this opening The outside of the ductwork must be protected from the weather A 90 elbow must be used for horizontal run and when vertically through a roof by using a 180 turn to point the opening downward The distance between the exhaust duct and the nearest obstruction i e roof or ground must be twice the diameter of the duct DO NOT use screens louvers or caps on the outside opening of the exhaust ductwork Exhaust back pressure measured by a manometer at the dryer s exhaust duct area must be no less than 0 and must not exceed 0 3 inches 0 75 mb of water column W C Exhaust ductwork outlets should not be located in an area directly where make up air openings are located WARNING DRYER MUST NEYER BE OPERATED WITHOUTTHE LINT FILTER SCREEN IN PLACE EVEN IF AN EXTERNAL LINT COLLECTION
44. h is not closing or fluttering 1 Check blower impellor fan motor and rotation direction 2 Restriction in location exhaust system Failed oven hi limit circuit Tripped lint compartment manual reset 225 F 107 C safety thermostat circuit Failed oven contactor relay Failed heat selector switch STEAM MODELS ONLY 1 Fault in lint chamber sensor bracket or tripped manual reset hi heat limit protector thermostat Failed microprocessor controller computer No external compressed air to steam damper 80 PSI 5 51 bars is required Failed steam damper 24 VAC pneumatic solenoid switch Failed piston Steam damper stuck closed 49 10 11 12 Dryer operates but is taking too long to dry Exhaust ductwork run too long or is undersized back pressure must be no less than 0 and must not exceed 0 3 inches 0 75 mb of water column W C Restriction in exhaust ductwork a Exhaust back draft damper is sticking partially closed b Restriction in ductwork check ductwork from dryer ALL the way to the outdoors Low and or inconsistent gas pressure for Gas Models Only Insufficient make up air Poor air gas mixture at burner yellow or poor flame pattern adjust gas burner air adjustment shutters for Gas Models Only Lint screen is not being cleaned on a regular basis or often enough Extractors washers are not performing properly Sail switch is fluttering restriction in exhaust ductwo
45. he dryer External regulation filtration of 80 PSI 5 51 bars 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 5 Steam Damper System Operation The steam damper as shown in the illustration below allows the coil to stay constantly charged eliminating repeated expansion and contraction When the damper is opened the air immediately passes through the already hot coil providing instant heat to start the drying process When the damper is closed ambient air is drawn directly into the basket tumbler allowing a rapid cool down Diagram 1 shows the damper in the heating open mode allowing heat into the basket tumbler Diagram 2 shows the damper in the cool down closed mode pulling ambient air directly into the basket tumbler without passing through the coils Diagram 1 p Airflow Diagram 2 Heating Mode Cool Down Mode 33 NI 6 Steam Damper Air Piston Flow Control Operation Adjustment Damper operation was tested and adjusted prior to shipping at 80 PSI 5 51 bars If damper air adjustment is necessary locate the flow control valve and make the necessary adjustments as noted below REAR DRYER AM DAMPER JL DOWN MODE STA 3 2
46. in location exhaust system 2 Tripped burner hi limit circuit 3 Tripped lint compartment manual reset 225 107 safety thermostat circuit 4 Failed heat selector switch 52 ELECTRIC MODELS ONLY 1 Fault in sail switch circuit a Sail switch is out of adjustment or has failed b Sail switch is not closing or fluttering 1 Check blower impellor fan motor and rotation direction 2 Restriction in location exhaust system 2 Failed oven hi limit circuit 3 Tripped lint compartment manual reset 225 107 safety thermostat circuit 4 Failed oven contactor relay 5 Failed heat selector switch STEAM MODELS ONLY 1 Steam damper binding and or stuck 2 Tripped lint compartment manual reset 225 107 safety thermostat circuit 3 Failed heat selector switch Heat unit is not operating for ONLY one 1 temperature selection 1 Failed thermostat corresponding to selection made 2 Failed heat selector switch H Dryer operates but is taking too long to dry load 1 Heating unit cycling on hi limit thermostat for Electric Models Only 2 Steam damper binding in partially open position for Steam Models Only 3 Lint and or dust accumulation on steam coil fins for Steam Models Only 4 Housekeeping a Lint screen and lint compartment are not being cleaned on a regular basis b Lint accumulation in location exhaust system 5 Insufficient make up air 53 10 11 12
47. is overheating and tripping out on internal overload protector a Motor air vents clogged with lint b Low voltage to the motor c Failed motor d Basket tumbler is binding check for obstruction e Failed idler bearings or basket tumbler bearings Blower motor is not operating does not start Failed blower motor contactor relay Failed arc suppressor A S board for Reversing Models Only Failed motor Failed microprocessor controller computer Blower motor operates okay for a few minutes and then stops and will not restart Motor is overheating and tripping out on internal overload protector a Motor air vents clogged with lint b Low voltage to the motor c Failed motor d Failed out of balance impellor fan Both drive motor and blower motor are not operating DO NOT start microprocessor controller computer motor indicator dots are on 46 Fault in main door switch circuit Blown fuse 2 amp very fast acting fuse if applicable Failed arc suppressor A S board for Reversing Models Only Failed microprocessor controller computer Failed 24 VAC transformer Both drive motor and blower motor run a few minutes and then stop microprocessor controller computer display continues to read time or percent of extraction and ALL indicator dots are off Fault in main door switch circuit a Failed main door switch b Main door switch is out of adjustment c Loose
48. ler service agency or gas supplier 5 Dryer s must be exhausted to the outdoors 6 Although ADC produces a very versatile dryer there are some articles that due to fabric composition or cleaning method should not be dried in it WARNING Dry only water washed fabrics DO NOT dry articles spotted or washed in dry cleaning solvents a combustible detergent or all purpose cleaner EXPLOSION COULD RESULT WARNING DO NOT dry rags or articles coated or contaminated with gasoline kerosene oil paint or wax EXPLOSION COULD RESULT WARNING DO NOT use heat for drying articles that contain plastic foam sponge rubber or similarly textured rubber materials Drying in a heated basket tumbler may damage plastics or rubber and may be a fire hazard 7 program should be established for the inspection and cleaning of lint in the burner area exhaust ductwork and area around the back of the dryer The frequency of inspection and cleaning can best be determined from experience at each location WARNING The collection of lint in the burner area and exhaust ductwork can create a potential fire hazard 8 For personal safety the dryer must be electrically grounded in accordance with local codes and or the National Electrical Code ANSI NFPA NO 70 LATEST EDITION or in Canada the Canadian Electrical Codes Parts 1 amp 2 CSA C22 1 1990 or LATEST EDITION NOTE Failure to do so will VOID THE WARRANTY 9 UNDER NO CIRCUMSTANC
49. mation 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 inquiry can be handled in an expeditious manner C RETURNING WARRANTY PARTS ALL dryer or parts warranty claims or inquires should be addressed to the ADC Warranty Parts Department To expedite processing the following procedures must be followed 1 No parts are to be returned to ADC without prior written authorization Return Material Authorization R M A from the factory a The R M A issued by the factory as well as any other correspondence pertaining to the returned part s must be included inside the package with the failed merchandise 40 2 Each part must be tagged with the following information a Model number and serial number of the dryer from which part was removed b Nature of failure be specific Date of dryer installation d Date of part failure e Specify whether the part s being returned is for a replacement a credit or a refund NOTE Ifa part is marked for a credit or a refund the invoice number covering the purchase of the replacement part must be provided NOTE Warranty tags ADC Part No 450064 are available at no charge from ADC upon request 3 The company returning the part s must clearly note the complete company n
50. minute 21 24 cmm cubic meters per minute must be supplied to each dryer As a general rule an unrestricted air entrance from the outdoors atmosphere of a minimum of 1 1 2 square feet 0 14 square meters is required for each dryer The dryer must be installed with provisions for adequate combustion and make up air supply ua aa HOWING MAKE UP AIR OPENINGS 4ANSS RAR 12 19 00 SHOWN LAS 5560 compensate for the use of registers louvers used over the openings this make up air must increased by approximately thirty three percent 33 Make up air openings should not be located in an area directly near where exhaust vents exit the building It is not necessary to have a separate make up air opening for each dryer Common make up air openings are acceptable However they must be set up in such a manner that the make up air is distributed equally to ALL the dryers EXAMPLE For a bank of four 4 dryers two 2 unrestricted openings measuring 2 feet by 1 1 2 feet 0 61 meters by 0 46 meters 6 square feet 0 56 square meters is acceptable Allowances must be made for remote or constricting passageways or where dryers are located at excessive altitudes or predominantly low pressure areas IMPORTANT Make up air must be provided from a source free of dry cleaning solvent fumes Make up air that is contaminated by d
51. not exceed 15 feet 4 57 meters The shape of the ductwork is not critical so long as the minimum cross sectional area is provided It is suggested that the use of 90 turns be avoided use 30 and or 45 angles instead The radius ofthe elbows should preferably be 1 1 2 times the diameter ofthe duct Including 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 sectional area of the ductwork must be increased ALL 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 should overlap the duct to which it is to be connected ALL ductwork joints must be taped to prevent moisture and lint from escaping into the building Inspection doors should be installed at strategic points in the exhaust ductwork for periodic inspection and cleaning of lint from the ductwork Vertical Venting When single dryer venting is used the length of the ductwork from the dryer to the outside exhaust outlet must not exceed 15 feet 4 57 meters The minimum diameter of this ductwork must be at least 8 inches 20 32 cm In the case of multiple common dryer venting the distance from the last dryer to the outside exhaust outlet must not exceed 15 feet 4 57 meters The shape of the ductwork is not so critical so
52. nt straighten by using a fin comb which is available from local air conditioning supply houses 90 DAYS Inspect and remove lint accumulation in customer furnished exhaust ductwork system and from dryer s internal exhaust ducting WARNING THE ACCUMULATION OF LINT IN THE EXHAUST DUCTWORK CAN CREATE A POTENTIAL FIRE HAZARD WARNING DO NOT OBSTRUCT THE FLOW OF COMBUSTION AND VENTILATION AIR WARNING INSPECT AND REMOVEANY LINT ACCUMULATION WHICH CAN CAUSE THE BACK DRAFT DAMPER TO BIND OR STICK NOTE A back draft damper that is sticking partially closed can result in slow drying and shutdown of heat circuit safety switches or thermostats NOTE When cleaning the dryer cabinet s avoid using harsh abrasives A product intended for the cleaning of appliances is recommended B ADJUSTMENTS 7 DAYS AFTER INSTALLATION AND EVERY 6 MONTHS THEREAFTER Inspect bolts nuts 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 and hi limit thermostats C LUBRICATION The motor bearings idler bearings and under normal most conditions the basket tumbler bearings are p
53. nt chamber area remove the lint door To increase bearing life and improve efficiency the dryer should be tilted slightly to the rear The lint coops of ALL AD 758DV dryers are supported during shipping by a bracket REMOVE THIS BRACKET BEFORE STARTING THE DRYER 1 Leveling Dryer The dryer is equipped with four 4 leveling legs one 1 at each corner of the base Two 2 are located at the rear of the dryer base and two 2 are located in the lint chamber coop To increase bearing life and improve efficiency the dryer should be tilted slightly to the rear 11 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 18 inches 45 72 cm or more is recommended for ease of installation maintenance and service above the dryer s outer top except along the front of the dryer which may be partially closed in if desired The clearance between the bulkhead header and the dryer must be a minimum of 4 inches 10 16 cm and must not extend more than 4 inches 10 16 cm to the rear of the front The bulkhead facing must not be closed in ALL the way to the top of the dryer A 1 inch 2 54 cm clearance is required ORE IIE COREE KEKE SERRE SOS OR IK IAA
54. nters the dryer The only electrical input connections to the dryer are the 3 phase 39 power leads L1 L2 L3 and sometimes neutral and ground Single phase 19 power for the control circuit is done internally to the dryer No single phase 18 input connection is required on a 3 phase 3g dryer For gas dryers and steam dryers manufactured for operation at 3 phase 3g the electrical connections are made at the power distribution block located in the service box at the rear upper left corner of the dryer The ground connection is made to the copper lug also provided in this box To gain access to the service box contactor the service box cover must be removed MAN3344 AH x 3 MPELLOR 23 CAUTION The dryer must be grounded A ground lug has been provided for this purpose IMPORTANT A CIRCUIT SERVICING EACH DRYER MUST BE PROVIDED The only electrical connections to the dryer are the 3 phase 39 leads L1 L2 L3 and sometimes neutral and ground 24 ADG 758DV GAS ADS 758DV STEAM ELECTRICAL SERVICE SPECIFICATIONS PER DRYER IMPORTANT 208 AND 240 ARE NOT THE SAME When ordering specify exact voltage NOTES A When fuses are used they must be dual element time delay current limiting class RK1 or RK5 ONLY Calculate determine correct fuse value by applying either local and or National Electrical Codes t listed appliance amp draw data B
55. ocated at the upper left area of the dryer 20 SINGLE PHASE 1 ELECTRICAL CONNECTIONS LEADS Black White Green Positive Neutral Ground OT L2 LE f Z T l 2 SS B UM AN AN239C If local codes permit power to the dryer can be made by the use of a flexible U L listed power cord or pigtail wire size must conform to rating of dryer or the dryer can be hard wired directly to the service breaker panel In both cases a strain relief must be installed where the wiring enters the dryer 21 5 3 Phase 3g Wiring Connections Hookup For Non Reversing Models Only The only electrical input connections to the dryer are the 3 phase 39 power leads L1 L2 L3 and sometimes Neutral and ground Single phase 16 power for the control circuit is done internally to the dryer No single phase 18 input connection is required on a 3 phase 39 dryer IMPORTANT A CIRCUIT SERVICING EACH DRYER MUST BE PROVIDED a Gas Models and Steam Models ONLY 1 3 Phase 38 Wiring Connections Hookup For gas dryers and steam dryers manufactured for operation at 3 phase 36 the electrical connections are made at the power distribution block located in the service box at the rear upper left corner of the dryer The ground connection is made to the copper lug also ELECTRIC SERVICE BOX COVER provided in this box To gain a
56. piping system during any pressure testing of that system at test pressures in excess of 1 2 psig 3 5 kPa NOTE The dryer must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure test ofthe gas supply system at test pressures equal to or less than 1 2 psig 3 5 kPa 29 STEAM INFORMATION It is your responsibility to have ALL plumbing connections made by a qualified professional to assure that the steam plumbing installation is adequate and conforms with local and state regulations or codes Care must be exercised when leveling steam dryers into final position After leveling the dryer 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 steam supply connection must be taken from the top of a well dripped steam main If the supply run out to the dryer exceeds 20 feet 6 meters it should be dripped just before the control valve with a proper trap and dirt pocket IMPORTANT Failure to comply with the requirements stipulated in this manual can result in component failure which will VOID THE WARRANTY NOTE The ADS 758DV is manu
57. r 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 tre assur s par un installateur ou un service d entretien qualifi ou par le fournisseur de gaz For replacement parts contact the reseller from which the dryer American Dryer Corp was purchased or American Dryer Corporation 88 Currant Road Fall River MA 02720 4781 Telephone 508 678 9000 Fax 508 678 9447 e mail techsupport amdry com www amdry com 071800GS rar ADC Part No 113156 Retain This Manual In A Safe Place For Future Reference American Dryer Corporation products embody advanced concepts in engineering design and safety If this product is properly maintained it will provide many years of safe efficient and trouble free operation ONLY qualified technicians should service this equipment OBSERVE ALL SAFETY PRECAUTIONS displayed on the equipment or specified in the installation manual included with the dryer The following FOR YOUR SAFETY caution must be posted near the dryer in a prominent location FOR YOUR SAFETY POUR VOTRE S CURIT Do not store or use gasoline or Ne pas entreposer ni utiliser d essence other flammable vapors and ni d autres vapeurs ou liquides liquids in the vicinity of this or inflammables proximit de cet any other appliance appareil ou de tout aut
58. re appareil We have tried to make this manual as complete as possible and hope you will find it useful ADC reserves the right to make changes from time to time without notice or obligation in prices specifications colors and material and to change or discontinue models The illustrations included in this manual may not depict your particular dryer exactly Important For your convenience log the following information DATE OF PURCHASE MODEL NO AD 758DV RESELLER S NAME Serial Number s 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 508 678 9447 or telephone your order directly to the ADC Parts Department at 508 678 9000 Please specify the dryer model number and serial number in addition to the description and part number so that your order is processed accurately and promptly IMPORTANT NOTE TO PURCHASER Information must be obtained from your local gas supplier on the instructions to be followed if the user smells gas These instructions must be posted in a prominent location near the dryer IMPORTANT YOU MUST DISCONNECT AND LOCKOUT THE ELECTRIC SUPPLY AND THE GAS SUPPLY OR THE STEAM SUPPLY BEFORE ANY COVERS OR GUARDS ARE REMOVED FROM THE MACHINE TO ALLOW ACCESS FOR CLEANING ADJUSTING INSTALLATION OR TESTING OF ANY EQUIPMENT PER OSHA Occupational Safety and Health Administration STANDARDS
59. rk for Gas Models Only Failed microprocessor controller computer temperature calibration is inaccurate Failed microprocessor temperature sensor calibration is inaccurate Steam damper system is not functioning properly for Steam Models Only a Damper sticking closed b Leak in pneumatic air system Failed electric oven element s for Electric Models Only Condensation on main door glass Too long undersized or improperly installed ductwork Back draft damper is sticking in partially closed position Dryer is making scraping noise at basket tumbler area Check for object caught in basket tumbler wrapper area Basket tumbler is out of proper alignment a Check both vertical and lateral alignment b Check gap between front panel and basket tumbler front setscrews may have come loose and basket tumbler walked forward or backwards 50 Loose basket tumbler tie rod Failed basket tumbler support Excessive noise and or vibration Dryer is not leveled properly Impellor fan blower is out of balance a Excessive lint build up on impellor fan blower b Failed impellor fan blower Loose basket tumbler tie rod Basket tumbler is out of adjustment or adjustment bolts hardware are loose Failed basket tumbler support Loose motor mount Failed idler and or basket tumbler bearings V belt s either too tight or too loose Main burners are burning with a yellow flame
60. rner box of the dryer the dryer may not have heat when needed After any adjustment to the sail switch the above procedure must be repeated to verify proper operation of the sail switch 5 Make a complete operational check of ALL operating controls NOTE Ifcomputer program changes are required refer to the computer programming section of the manual supplied with the dryer 6 The dryer should be operated through one 1 complete cycle to assure that no further adjustments are necessary and that ALL components are functioning properly BASKET TUMBLER COATING The basket tumbler is treated with a protective coating We suggest dampening old garments or cloth material with a solution of water and nonflammable mild detergent and tumbling them in the basket tumbler to remove this coating 7 Check the electric service phase sequence 3 phase 38 models only While the dryer is operating check to see if the blower impellor fan wheel is rotating in the proper direction Looking from the front the blower impellor fan wheel should spin in the clockwise CW direction If it is the phasing is correct If the phasing is incorrect reverse two 2 of the three 3 leads at connections L1 L2 and L3 of the power supply to the dryer IMPORTANT Ifthe blower impellor fan wheel is rotating in the wrong direction this will not only drastically reduce drying efficiency but it can also cause premature component failure 37 K
61. ry cleaning solvent fumes will result in irreparable damage to the motors and other dryer components NOTE Component failure due to dry cleaning solvent fumes will VOID THE WARRANTY 13 E EXHAUST REQUIREMENTS General Exhaust Ductwork Information Exhaust ductwork should be designed and installed by a qualified professional Improperly sized ductwork will create excessive back pressure which results in slow drying increased use of energy overheating of the dryer and shutdown of the burner by the airflow sail switches burner hi limits or basket tumbler hi heat thermostats The dryer must be installed with a proper exhaust duct connection to the outside CAUTION This dryer produces combustible lint and must be exhausted to the outdoors CAUTION DRYER MUST BE EXHAUSTED TO THE OUTDOORS CAUTION IMPROPERLY SIZED OR INSTALLED EXHAUST DUCTWORK CAN CREATE A POTENTIAL FIRE HAZARD The ductwork should be laid out in such a way that the ductwork travels as directly as possible to the outdoors with as few turns as possible Single or independent dryer venting is recommended Horizontal Venting When single dryer venting is used the length of ductwork from the dryer to the outside exhaust outlet must not exceed 25 feet 7 62 meters The minimum diameter of this ductwork must be at least 8 inches 20 32 cm In the case of multiple common dryer venting the distance from the last dryer to the outside exhaust outlet must
62. sdnsessetsecnencescsacenacecuatsstaccsacwoseaseus 3 Ac Receiving amTEBndling sanos tette dete loo Ent andata das eu dus mE d 3 B Satety PREGA ONS vary cretam d n a yed uie mede 4 SECTION II SPECIFICATIONS COMPONENT IDENTIFICATION 6 Pes ne aceite ces user ho n 6 B Component heaton sooo best ee ek d gh ce kek h nek a ua anes 8 SECTION III INSTALLATION PROCEDURES no ene ioa ceo eee eae te 10 Ax Location GC PO He TS xasan nn te aca anc Rd 10 E Unpacking Settme UP esee om Rp Rein Uta dev dudum Ne 11 Dryer Enelos re Requitetietils es en dent ados as nd tree rond wa al k ed 12 De 5 Supply Require tiens 13 E Exhat st Becuretfienis qua dee nde ges RS tate sema e ordeo 14 E Blectrical iO qam ata vasco 19 Cx Gras In TOF DO Peep das pi E sou eee a e be T Dad db n da 26 beatin IM TOM ALIOD gt a scis Unione bett eoi oies 30 I Preparation For Opera es 35 J Precperauonal Tests n 36 Ic Preoperauonal TS tC OMS
63. ssarily the suspected component itself Electrical parts should always be checked for failure before being 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 ALL SERVICE AND TROUBLESHOOTING SHOULD BE PERFORMED BY A QUALIFIED PROFESSIONAL OR SERVICE AGENCY WHILE MAKING REPAIRS OBSERVE ALLSAFETY PRECAUTIONS DISPLAYED ON THE DRYER OR SPECIFIED IN THIS MANUAL MICROPROCESSOR CONTROLLER COMPUTER MODELS No light emitting diode L E D display 1 Service panel fuse blown or tripped breaker 2 Blown control circuit L1 or L2 1 2 amp slo blo fuse 3 Failed microprocessor controller computer 4 Failed step down transformer for models 380 volts or higher only B Drive motor is not operating does not start 1 Failed drive motor contactor relay 2 Failed arc suppressor A S board for Reversing Models Only 45 Failed drive motor Failed microprocessor controller computer Drive motor reversing operates in one 1 direction ONLY stops and restarts in same direction Failed drive motor contactor relay Failed arc suppressor A S board for Reversing Models Only Failed microprocessor controller computer Drive motor operates okay for a few minutes and then stops and will not restart Motor
64. supply shown on the data label that is affixed to the upper left side panel area behind the top control access door In the case of 208 VAC or 240 VAC the supply voltage must match the electric service specifications ofthe data label exactly IMPORTANT USE ONLY COPPER CONDUCTOR CABLE of proper ampacity and insulation in accordance with electrical codes for making service connections WARNING 208 VAC AND 240 VAC ARE NOT THE SAME Any damage done to dryer components due to improper voltage connections will automatically VOID THE WARRANTY NOTE On gas dryers and steam dryers to convert from 208 VAC to 240 VAC or visa versa the 24 VAC transformer wiring sequence must be changed 19 2 Electric Models ONLY ALL electrically heated dryers must be connected to the electric service shown on the dryer s data label which is affixed to the upper left side panel area behind the top control access door The connecting wires must be properly sized to handle the rated current NOTE Electrically heated service amperage specifications requirements are not available at the time of printing Contact factory for update NOTE Component failure due to improper voltage application will VOID THE WARRANTY 3 Grounding A ground earth connection must be provided and installed in accordance with state and local codes In the absence of these codes grounding must conform to applicable requirements of the National Electrical Code
65. t Spark Ignition DSI system which has internal diagnostics If ignition is not established within three 3 times the heat circuit in the DSI module will LOCKOUT until it is manually reset To reset the DSI system open and close the main door and restart the dryer b A gas pressure test should be taken at the gas valve pressure tap of each dryer to assure that the water column W C pressure is correct and consistent NOTE Water column pressure requirements measured at the pressure tap of the gas valve body Natural Gas 3 5 Inches 8 7 mb Water Column Liquid Propane L P Gas 10 5 Inches 26 1 mb Water Column IMPORTANT There is no regulator provided in an L P dryer The water column pressure must be regulated at the source L P tank or an external regulator must be added to each dryer 4 Make a complete operational check of ALL safety related circuits a Door Switch es b Hi Limit Thermostats c Cycling Thermostat d GAS AND ELECTRIC MODELS ONLY Sail Switch 36 NOTE To check for proper sail switch operation for gas and electric models only open the main door and while holding main door switch plunger in start dryer Dryer should start but heat circuit should not activated on If the heat system is activated the sail switch is improperly adjusted and must be adjusted by bending the actuator arm of the sail switch toward the burner box Ifthe actuator arm is bent too far toward the bu
66. t from the ductwork NOTE When the exhaust ductwork passes through a wall ceiling or roof made of combustible materials the opening must be 2 inches 5 08 cm larger than the duct all the way around The duct must be centered within this opening a Outside Ductwork Protection 1 To protect the outside end of the horizontal ductwork from the weather a 90 elbow bent downward should be installed where the exhaust exits the building If the ductwork travels vertically up through the roof it should be protected from the weather by using a 180 turn to point the opening downward In either case allow at least twice the diameter of the duct between the duct opening and the nearest obstruction IMPORTANT DO NOT use screens louvers or caps on the outside opening of the exhaust ductwork 16 3 Multiple Common Dryer Venting Mi MU 7 CM MINIMUM IMPORTANT For extended ductwork runs the cross section area of the ductwork can only be increased to an extent When the ductwork approaches the maximum limits noted in this manual a professional heating venting and air conditioning HVAC firm should be consulted for proper venting information ALL 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 should overlap the duct to which it is to be connected ALL ductwork
67. t notice or obligation 25 GAS INFORMATION It is your responsibility to have ALL plumbing connections made by a qualified professional to assure that the gas plumbing installation is adequate and conforms to local and state regulations or codes In the absence of such codes ALL plumbing connections materials and workmanship must conform to the applicable requirements of the 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 Liquid Propane L P Gas or LATEST EDITION IMPORTANT Failure to comply with these codes or ordinances and or the requirements stipulated in this manual can result in personal injury and improper operation of the dryer The dryer and its individual shutoff valves must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psig 3 5 kPa The dryer must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure test of the gas supply system at test pressures equal to or less than 1 2 psig 3 5 kPa IMPORTANT Failure to isolate or disconnect dryer from supply 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

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