American Dryer Corp. ML-175 Installation Manual Download | Manualshive

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113406-1

www.amdry.com

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NOTE: ADC

reserves the right to make changes in specifications at any time without notice or

obligation.

SPECIFICATIONS – GAS AND STEAM

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Summary of Contents for ML-175

Page 1: ...nnotreachyourgassupplier call thefiredepartment Installation and service must be performed by a qualified installer service agency or the gas supplier AVERTISSEMENT Assurez vous de bien suivrelesinstructionsdonnéesdanscettenotice pour réduire au minimum le risque d incendie ou d explosion ou pour éviter tout dommage matériel touteblessureoulamort Ne pas entreposer ni utiliser d essence ni d autres...

Page 2: ... 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 OFPURCHASE _______________________...

Page 3: ...tion Lor des opérations d entretien des commandes étiqueter tous fils avant de les déconnecter Toute erreur de câblage peut étre une source de danger et de panne WARNING UNDER NO CIRCUMSTANCES should the dryer door switch the lint drawer switch or the heat safety circuit ever be disabled IMPORTANT YOUMUSTDISCONNECTANDLOCKOUTTHEELECTRICSUPPLYANDTHEGAS SUPPLY OR THE STEAM SUPPLY BEFORE ANY COVERS OR...

Page 4: ...ncluded with the dryer WARNING DRYER MUST NEVER BE OPERATEDWITHOUTTHE LINTFILTER SCREEN IN PLACE EVENIFANEXTERNALLINTCOLLECTIONSYSTEMISUSED 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 tem...

Page 5: ...r Operation Start Up 28 J Preoperational Tests 29 K Compressed Air Requirements 31 L Shutdown Instructions 32 SECTION IV SERVICE PARTS INFORMATION 33 A Service 33 B Parts 33 SECTION V WARRANTY INFORMATION 34 A Returning Warranty Cards 34 B Warranty 34 C Returning Warranty Parts 34 SECTION VI ROUTINE MAINTENANCE 36 A Cleaning 36 B Adjustments 38 C Lubrication 38 SECTION VII MANUAL RESET BURNER HI L...

Page 6: ...s 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 installer 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 fabri...

Page 7: ...the presence of dry cleaning solvents or fumes 11 Remove articles from the dryer as soon as the drying cycle has been completed WARNING Articlesleftinthedryerafterthedryingandcoolingcycleshavebeencompletedcan create a fire hazard 12 DO NOT operate steam dryers with more than 125 psi 8 62 bar steam pressure Excessive steam pressure can damage the steam coil and or harm personnel 13 Replace leaking ...

Page 8: ... NH DRYERS PER 20 40 CONTAINER 3 7 DRYERS PER 48 53 TRUCK 8 8 VOLTAGE AVAILABLE 208 575v 3ø 3 4w 50 60 Hz APPROX NET WEIGHT 1 848 lb 838 24 kg APPROX SHIPPING WEIGHT 2 014 lb 913 54 kg AIRFLOW 3 700 cfm 104 77 cmm HEAT INPUT 395 000 Btu hr 99 538 kcal hr EXHAUST CONNECTION DIAMETER 12 30 48 cm COMPRESSED AIR CONNECTION 1 4 Quick Connection COMPRESSED AIR VOLUME 4 25 cfh 0 12 cmh INLET PIPE CONNECT...

Page 9: ...113406 1 www amdry com 5 NOTE ADC reserves the right to make changes in specifications at any time without notice or obligation SPECIFICATIONS GASAND STEAM ...

Page 10: ...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 Thedryermustbeinstalledonnoncombustiblefloorsonly 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 Provi...

Page 11: ...le still attached to the skid or with the skid removed To remove skid from the dryer locate and remove the four 4 lag bolts securing the base of the dryer to the wooden skid Two 2 are at the rear base and two 2 are located in the bottom of the lint chamber To remove the two 2 lag bolts located in the lint chamber area remove the lint drawer and the three 3 Phillips head screws securing the lint do...

Page 12: ...ryer b Remove the eight 8 sets of nuts and washers B in the illustration below holding the console module to the base c Disconnect the white plug connector C in the illustration below located on the top of the rear electric service relay box provides power to the heat circuit d Disconnect air connection from the 3 way micro valve e Lift the console module off of the dryer base IMPORTANT The dryer ...

Page 13: ...16 cm to the rear of the front A 2 inch 5 08 cm clearance is required between the bulkhead facing and the top of the dryer NOTE Bulkhead facing should not be installed until after the dryer is in place Ceiling areamust be located a minimum of 12 inches 30 48 cm above the dryer top console module and 18 inches 45 72 cm for steam models NOTE When fire sprinkler systems are located above the dryers a...

Page 14: ...m of 4 75 square feet 0 44 square meters for each steam dryer To compensate for the use of registers or louvers used over the openings this make up air must be 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 ma...

Page 15: ...o the outside exhaust outlet should not exceed 15 feet 4 57 meters The shape of the ductwork is not critical as long as the minimum cross sectional area is provided It is suggested that the use of 90º turns be avoided use 30º and or 45º bends angles instead The radius of the elbows should preferably be 1 1 2 times the diameter of the duct Excluding basket tumbler dryer elbow connections or elbows ...

Page 16: ...ice 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 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 a...

Page 17: ...ow is equivalent to an additional 40 feet 12 19 meters and each 45º elbow is equivalent to an additional 20 feet 6 09 meters IMPORTANT For extended ductwork runs the cross section area of the ductwork can only be increased to an extent Maximum proportional ductwork runs cannot exceed 15 feet 4 57 meters more than the original limitations of 15 feet 4 57 meters with three 3 elbows Whentheductworkap...

Page 18: ... dryers should be connected to one 1 main common duct The main duct may be any shape or cross sectional area as long as the minimum cross section area is provided The illustrations on page 16 show the minimum cross section area for multiple dryer round or square venting These figures must be increased 10 square inches 64 52 square centimeters when rectangular main ducting is used and the ratio of ...

Page 19: ...es 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 duct Outside Ductwork Protection 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 exhaust ductwork travels ver...

Page 20: ...06 1 MULTIPLE DRYER VENTING GAS DR MODELS WITH 12 30 48 CM DIAMETER 3700 CFM 104 77 CMM CONNECTIONS AT COMMON DUCT MULTIPLE DRYER VENTING STEAM MODELS WITH 20 50 8 CM DIAMETER 4400 CFM 124 59 CMM EXHAUST CONNECTION AT COMMON DUCT ...

Page 21: ... The dryer must be connected with copper wire only DO NOT use aluminum wire it can create a fire hazard The copper conductor wire cable must be of proper ampacity and insulation in accordance with electric codes for making ALL service connections NOTE TheuseofaluminumwirewillVOIDTHEWARRANTY IMPORTANT Aseparate protected circuit must be provided to each dryer NOTE An individual ground circuit must ...

Page 22: ...r 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 connect...

Page 23: ...bly 4 Electrical Connections A wiring diagram is located inside the control box for connection data If local codes permit power to the dryer can be made by the use of a flexible U L listed power cord 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...

Page 24: ...NTY WARNING FIRE OR EXPLOSION COULD RESULT DUE TO FAILURE OF ISOLATINGOR DISCONNECTINGTHE GAS SUPPLYAS NOTED 1 Gas Supply The gas dryer installation must meet the American National Standard National Fuel Gas Code ANSI Z223 1 LATESTEDITION 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 codes and ordinances...

Page 25: ...hat 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 Shaded area is stated in metric equivalent Drill Me...

Page 26: ...ank other gas operated appliances on the same line etc Specific information regarding supply line size should be determined by the gas supplier NOTE Undersizedgassupplypipingcancreatealoworinconsistentpressure whichwillresultin erraticoperationoftheburnerignitionsystem Consistent gas pressure is essential at ALL gas connections It is recommended that a 1 1 2 3 81 cm pipe gas loop be installed in t...

Page 27: ...piping system during any pressure testing of that system at test pressures in excess of 1 2 psig 3 5 kPa NOTE Thedryermustbeisolatedfromthegassupplypipingsystembyclosingitsindividualmanual 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 ...

Page 28: ...are set to limit the acid attack of the steam coils IMPORTANT CoilfailureduetoimproperpHlevelwillVOIDTHEWARRANTY 2 Steam Requirements High Pressure Inlet ________ 1 1 2 supply line connection _____ one 1 at top manifold Return ______ 1 1 2 return line connection _____ one 1 at bottom manifold Shaded areas are stated in metric equivalents The minimum operating pressure for optimum results is 100 ps...

Page 29: ...e 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 e 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 An inverted bucket steam trap with a capacity of 2 000 lbs 907 18 kg of condensate per hour 125 psi 8 62 bar is requ...

Page 30: ... This is necessary to ensure that correct and clean air pressure is achieved 5 Steam Damper System Operation The steam damper as shown in the top illustration on the next page 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 W...

Page 31: ...as tested and adjusted prior to shipping at 80 psi 5 51 bar steam damper operation must be checked before the dryer is put into operation Refer to the illustration above for correct steam damper operation If steam damper adjustment is necessary locate the flow control valve and make the necessary adjustments as noted below ...

Page 32: ...ure that the drive belts between the idler pulley and the motor pulley have been reconnected NOTE The drive belts were disconnected at the factory prior to dryer shipment 6 GAS MODELS be sure that ALL gas shutoff valves are in the open position 7 Be sure ALL back panels guards and electric box covers have been replaced 8 Check ALL service doors to ensure that they are closed and secured in place 9...

Page 33: ...er must turn in the counterclockwise CCW direction otherwisethedryerefficiencywillbedrasticallyreducedandprematurecomponent failurecanresult 5 Heat Circuit Operational Test a Gas Models 1 When the dryer is first started during initial start up the burner has a tendency not to ignite on the first attempt This is because the gas supply piping is filled with air so it may take a few minutes for this ...

Page 34: ... s weight affects basket tumbler coast time during a direction reversal command It is important that the basket tumbler come to a complete stop prior to starting in opposite direction Microprocessor Controller Computer Dryer Models a Spin and dwell stop times are not adjustable in the Automatic Mode and have been preprogrammed into the microprocessor controller computer for 150 seconds spin time i...

Page 35: ...1 Air Requirements Microprocessor Controller Computer Dryers Shaded areas are stated in metric equivalents 2 Air Regulation No air regulation or air filtration is provided with the dryer External regulation filtration of 80 psi 5 51 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 t...

Page 36: ... 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 SHUT OFF external gas supply shutoff valve b STEAM MODELS discontinue the steam supply SHUT OFF external location furnished shutoff valve ...

Page 37: ...odel numberandserialnumbersothatyourinquiryishandledinanexpeditiousmanner B PARTS 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 508 678 9000 or ...

Page 38: ...ller 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 theADC factory for warranty information be sure to have the dryer s model number and serial numberavailable so that your inquiry can be ...

Page 39: ... 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 ensured 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...

Page 40: ... KEEPDRYERAREACLEARAND FREE FROM COMBUSTIBLE MATERIALS GASOLINE AND OTHER FLAMMABLE VAPORSAND LIQUIDS NOTE REMOVE POWER FROM THE DRYER BEFORE PERFORMINGANY MAINTENANCE IN THE DRYER cleaning the lint drawers and both steam coil lint screens are the only exceptions NOTE Suggested time intervals shown are for average usage which is considered six 6 to eight 8 operational running hoursperday IMPORTANT...

Page 41: ...ellor fan shaft bearings are tight NOTE Topreventdamage avoidcleaningand ortouchingtheDirectSparkIgnitor Remove lint accumulation from inside 6 MONTHS Inspect and remove lint accumulation in customer furnished exhaust ductwork system and from dryer s internal exhaust ducting NOTE THEACCUMULATION OFLINTIN THE EXHAUST DUCTWORK CAN CREATEAPOTENTIALFIRE HAZARD NOTE DO NOT OBSTRUCT THE FLOW OF COMBUSTI...

Page 42: ...ssary 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 NOTE Squirrel cage type fan impellor on the blower motor must be inspected and cleaned every 6 months C LUBRICATION The fan shaft bearings and ALL the basket tumbler drive shaft and idler shaft bearings must be lubrica...

Page 43: ...LT with an audio indication If the burner hi limit opens during a drying cycle the Phase 7 computer will also display the same error code described above along with an audio indication If the drum temperature is above 100 F 38 C the dryer will continue to run with no heat for 3 minutes or until the drum temperature has dropped below 100 F 38 C The clear stop button on the Phase 7 keypad must be pr...

Page 44: ...e manufacturer to gather information on your particular dryer 3 MANUFACTURINGCODE NUMBER The number issued by the manufacturer which describes ALL possible options on your particular model 4 TYPE OFHEAT This describes the type of heat for your particular dryer gas either natural gas or liquid propane L P gas electric or steam 5 HEAT INPUT for GAS DRYERS This describes the heat input in British The...

Page 45: ...on Coin Models a Upon completing installation of the replacement microprocessor controller computer board reestablish power to the dryer b Start the drying cycle by pressing any of the preset cycles in letters A F c Verify that the applicable indicator lights on the microprocessor controller computer board are lit Refer to the illustration below ...

Page 46: ... 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 light emitting diode L E D diagnos...

Page 47: ...essor controller computer will trigger the fire suppression system water jet s to quickly extinguish the flames The water jet s remain on for 2 minutesandwillautomaticallyactivateagainifafireconditionremainsorreignites While the water jet s are activated the basket tumbler will jog to move the water throughout theload Themicroprocessorcontroller computer willdisplayuntilthedryerisattended to that ...

Page 48: ...ion system must be supplied with a minimum water pipe size of 1 2 and be provided with 40 psi 20 psi 2 75 bar 1 37 bar of pressure For use of optional manual bypass a second source with the same piping and pressure requirements is required Flexible 1 2 feeds must be provided to avoid damage to electric water solenoid valve by vibration IMPORTANT Flexiblesupplyline couplingmustbeused Solenoidvalvef...

Page 49: ...le supply line coupling must be used in an effort to avoid damaging the electric water solenoid valve NOTE The 3 4 11 5 NH is a standard hose coupling screw thread It is not to be confused with 3 4 N P T The sealing of an NH connection is made with a washer opposed to the mating threads of an N P T assembly The two 2 thread designs are not compatible IMPORTANT Flexiblesupplyline couplingmustbeused...

Page 50: ... the dryer or the water supply is located in an area where it will be exposed to cold freezing temperatures provisions must be made to protect these water lines from freezing WARNING If the water in the supply line or water solenoid valve freezes the fire suppression system will be INOPERATIVE The manual ball cock shutoff valve must be located outside of the dryer at a distance from the dryer wher...

Page 51: ...uter will display F S S ACTIVATED and water will be injected into the basket tumbler chamber Any time water is being injected into the basket tumbler the basket tumbler drive will turn the load for 1 second every 15 seconds This process will continue for a minimum of 2 minutes After the 2 minutes have elapsed the microprocessor controller computer will check if the temperature remained above trip ...

Page 52: ...or end of the cycle and then will prompt the user to PLEASE EMPTY TUMBLER THEN PRESS THE STOP CLEAR AND A KEYS TO TEST THE WATER VALVE When the STOP CLEAR and A keys are pressed the microprocessor controller computer will activate the fire suppression system water valve for 2 seconds at which point the microprocessor controller computer will prompt the user with the following message IF WATER DID ...

Page 53: ...horted If this condition is detected the Phase 7 non coin microprocessor controller computer will continue to monitor the condition for a period of 5 minutes before entering F S S DISABLED mode Once the condition is corrected the microprocessor controller computer will continue to monitor the condition for 1 minute before exiting F S S DISABLED mode WATER NOT CONNECTED This indicates that there is...

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