American Dryer Corp. ML-410 Page 67 Installation & Operator'S Manual Download

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ADC

113128

- 03/13/00-25

Summary of Contents for ML-410

Page 1: ...ier call the firedepartment Installation and service must be performed by a qualifiedinstaller serviceagencyorthegas supplier AVERTISSEMENT Assurez vousde bien suivre les instructions données dans cette noticepourréduireauminimum lerisque d incendie oud explosionoupour évitertout dommagematériel touteblessureoulamort Ne pas entreposer ni utiliser d essence ni d autresvapeursouliquidesinflammablesd...

Page 2: ...ng 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 operator s manual included with the dryer The following FOR YOUR SAFETY caution must be posted near the dryer in a promi...

Page 3: ...BESUPERVISEDIFNEARDRYERSINOPERATION DRYERSSHOULDNEVERBELEFTUNATTENDEDWHILEINOPERATION CAUTION FORYOUR SAFETY DONOTDRYMOPHEADSINTHEDRYER DONOTUSEDRYERINTHEPRESENCEOFDRYCLEANINGFUMES WARNING UNDER NO CIRCUMSTANCES should the door switch or the heat circuit devices ever be disabled Caution Label all wires prior to disconnection when servicing controls Wiring errors can cause improper operation Attent...

Page 4: ...isplayed on the equipment or specified in the installation operator s manual included with the dryer Dryers must not be installed or stored in an area where it will be exposed to water or weather The wiring diagram for the dryer is located in the front electrical control box area DRYERMUSTNEVERBEOPERATEDWITHOUTTHELINTFILTER SCREEN IN PLACE EVENIFANEXTERNALLINTCOLLECTIONSYSTEMISUSED WARNING ...

Page 5: ...IMENSIONS 17 A Specifications Gas and Steam Models 17 B Dimensions 18 SECTION III INSTALLATION PROCEDURES 23 A ReassemblyofDryer 23 B FreshAirSupplyRequirements 30 C ExhaustRequirements 31 D CompressedAir Supply System 32 E ElectricalInformation 34 F GasInformation 37 G SteamInformation 41 H Water Supply Connection For Optional Sprinkler System 45 I PreoperationalTests 46 J Preparation For Operati...

Page 6: ...s 55 C Lubrication 55 SECTION VII COMPONENT SYSTEM DESCRIPTIONS 56 A Tumbler Basket DriveSystem 56 B Tumbler Basket 57 C AirBlowerDriveSystem 57 D Air Jet System 57 E SafetyDevices 57 F Steam DamperActuator System 59 SECTION VIII OPTIONAL SPRINKLER SYSTEM COMPONENTS 60 OptionalSprinklerCircuitComponents 60 ML 410 Sprinkler OptionTemperature Controller Settings 62 ...

Page 7: ...3 ML 410 Reference Guide ...

Page 8: ...4 ...

Page 9: ...uter only response to keyboard touchpad commands when the ML 410 s tumbler basket section is level with the loading doors and lint drawer basket door closed Likewise the MODICON 1 PLC Programmable Logic Controller responses to load or unload selections when the ML 410 is not drying material ML 410 OPERATOR CONTROLS INDICATORS The Right Front Control Door incorporates the following operator control...

Page 10: ...on to a level position and close the front horizontal doors Once ALL safe conditions are met i e front doors closed lint drawer closed machine level an operator will be able to select a drying cycle on the Phase 7 Microprocessor Controller s computer keyboard touchpad located on the Right Front Control Door Refer to the Phase 7 Operator s Manual for details CONTROL POWER On This green lighted oper...

Page 11: ...CW direction There is a seven 7 second dwell delay time between a selection of a different rotation direction This delay is to prevent plug starting the tumbler drive motor If the JOG function does not operate in the tilted position 1 Check that the Main Doors are fully opened 2 Check that the Overload for the Drive Motor is in the Start position 3 Check that the Overload for the Tumbler Basket Mo...

Page 12: ...e tumbler basket section releases the tilt switch the JOG functions become enabled for an operator s selection If the tumbler section does not tilt forward 1 Verify that a Door Open signal is being sensed by the PLC 2 Check that 80 PSI 5 512 bars of compressed air is supplied to the machine and that the Rear Up solenoid is being actuated by the PLC Refer to the PLC signal information included in t...

Page 13: ...s in the closed position This signal can be easily verified since it is a PLC input Refer to the PLC signal information included in the ladder diagrams and schematics supplied with the machine ONE or BOTH BURNERS DO NOT IGNITE The model MLG 410 dryer has two 2 burner boxes Each burner box has its own Gas Valve Spark Ignitor Flame Probe Assembly and DSI Direct Spark Ignition Module DSI Direct Spark...

Page 14: ...slotted regulator cover which is located on the top of each gas valve and turn the regulator adjustment screw located underneath the cover clockwise CW to increase manifold pressure and counterclockwise CCW to decrease manifold pressure The L P liquid propane gas pressure measured at each gas valve pressure tap must be 11 inches water column 27 4 mb pressure when the flame is established in both b...

Page 15: ...E DURING A DRYING CYCLE This condition can be caused by the following DEFECTIVE DSI Direct Spark Ignition MODULE DEFECTIVE SPARK IGNITOR FLAME PROBE ASSEMBLY DEFECTIVE GAS VALVE DEFECTIVE ELECTRICAL HEAT CIRCUIT LOSS OF GAS PRESSURE Refer to the ladder diagram and the schematics provided with this machine for reference to the above listed information CONTROL POWER Indicator Control Power On Push B...

Page 16: ...ase section control signals to the tumbler basket section s main control panel This electrical enclosure is labeled CAUTION HIGH VOLTAGE IS PRESENT IN THIS ENCLOSURE and incorporates the following electrical devices The MAIN ELECTRICAL POWER to the machine The ELECTRICAL CONNECTION for the OPTIONAL SPRINKLER CIRCUIT POWER The THERMAL MAGNETIC OVERLOAD and CONTACTOR for the BLOWER MOTOR 3 Right Bas...

Page 17: ...control panel will be located in the left front electrical enclosure If a SPRINKLER OPTION is included with the ML 410 this panel will include an AUTOMATIC EMERGENCY STOP E Stop feature This feature requires the Sprinkler Circuit be functional for the dryer to be powered NOTE There will be a dedicated electrical connection in the Right Electrical Junction Box for the Sprinkler Circuit ...

Page 18: ...ccepted but the number received and the number refused must be noted on the receipt 4 If you determine that the dryer was damaged after the trucker has left your location you should call the delivering carrier s freight terminal immediately and file a claim The freight company considers this concealed damage This type of freight claim is very difficult to get paid and becomes extremely difficult w...

Page 19: ...all 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 machine there are some articles that due to fabric composition o...

Page 20: ...HE WARRANTY 9 UNDER NO CIRCUMSTANCES should the dryer door switches lint drawer switch heat safety circuit or tilt switches ever be disabled WARNING PERSONAL INJURY or FIRE COULD RESULT 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...

Page 21: ...Weight Uncrated 7 500 lbs 3 409 kg Airflow 9 200 cfm 261 cmm Inlet Pipe Size 2 F P T 5 08 cm Voltage Available 208 460v 3ø 3 4w 50 60 Hz Approx Weight Uncrated 8 000 lbs 3 636 kg Airflow 12 000 cfm 340 cmm Steam Consumption Normal Load 1 815 lbs hr 825 kg hr 55 Operating Steam Pressure Steam Supply Steam Return 125 PSI max 8 79 kg sq cm 2 5 08 cm 1 1 4 3 18 cm Shaded areas are stated in metric equ...

Page 22: ...1 m c 8 6 0 6 3 T L I T Y A W 2 R O O D 1 s e h c n i 2 4 1 m c 8 6 0 6 3 T L I T R A E R R O O D 2 s e h c n i 2 4 1 m c 8 6 0 6 3 T L I T D R A W R O F R O O D 1 s e h c n i 0 5 1 m c 1 8 3 T L I T Y A W 2 R O O D 1 s e h c n i 0 5 1 m c 1 8 3 T L I T Y A W 2 R O O D 2 s e h c n i 0 5 1 m c 1 8 3 s t n e l a v i u q e c i r t e m n i d e t a t s e r a s a e r a d e d a h S MLG 410 MLG 410 ...

Page 23: ...19 ML 410 1 Door 2 Way Tilt NOTE ADC reserves the right to make changes in specifications at any time without notice or obligation ...

Page 24: ...20 ML 410 1 Door 2 Way Tilt NOTE ADC reserves the right to make changes in specifications at any time without notice or obligation ...

Page 25: ...21 MLS 410 1 Door 2 Way Tilt NOTE ADC reserves the right to make changes in specifications at any time without notice or obligation ...

Page 26: ...22 ML 410 1 Door 2 Way Tilt with Inlet Air Adapter NOTE ADC reserves the right to make changes in specifications at any time without notice or obligation ...

Page 27: ...d onto the base section Use cables through the eye bolts on top of the tumbler basket section or use a forklift for the lifting process The ML 410 tilting dryer is made with many loading and unloading options Please refer to the reassembly instructions on the following pages for your particular style of dryer If a steam dryer is shipped in two 2 pieces the steam coil may have been removed from the...

Page 28: ...24 MLG 410 1 Door Forward Tilt with Sprinkler ...

Page 29: ...ected into the mating socket located at the bottom of the right tumbler section b The tumbler section power cable must be lifted up from the base and reconnected into the junction box next to the tumbler drive motor in the left side of the tumbler section Make sure both reconnected cables have enough slack in them to allow the dryer to tilt freely in both directions IMPORTANT THE RECONNECTED ELECT...

Page 30: ... the door pistons g On dryers equipped with a sprinkler option a separate power supply must be connected to the sprinkler circuit located in the right base electrical box 1 The optional sprinkler water connection is located in the left side of the dryer base A 1 inch M P T water supply line will be connected to the 1 inch F P T pipe connection of the dryer MLG 410 1 Door Forward Tilt with Sprinkle...

Page 31: ...27 MLS 410 2 Door 2 Way Tilt ...

Page 32: ...he right side of the dryer base Insert the air lines through the hole on the bottom of the tumbler basket section Reconnect the 1 4 brass poly connector d There are three 3 electrical reconnections 1 The plug and cable connections are located in the right hand side of the dryer base These must be lifted up and reconnected into the mating sockets located at the bottom right hand side of the tumbler...

Page 33: ...automatic piston operated load doors reconnect the four 4 poly flo air lines that run from the dryer base up to the door pistons in the front and the rear of the dryer h Reconnect the 1 4 poly flo air lines which run from the dryer base up to the steam damper solenoid valve located on top of the dryer STEAM FLEX HOSE UNION RECONNECTION VIEW TILTING PISTON RECONNECTION VIEW TILTING GUARD PANEL RECO...

Page 34: ...ent 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 Allowances must be made for remote or constricting passageways ...

Page 35: ...of the duct work is not critical so long as the minimum cross sectional area is provided It is suggested that the use of 90º turns in ducting be avoided use 30º and or 45º angles instead The radius of the elbow should preferably be 1 1 2 times the diameter of the duct The dryer comes with a 28 inch 71 12 cm diameter exhaust duct connection The plant s exhaust duct must be at least 28 inches 71 cm ...

Page 36: ...from the weather by using a 180º turn to point the opening downward In either case allow at least twice the diameter of the duct between the duct opening and the nearest obstruction IMPORTANT DO NOT use screens or caps on the outside of opening of exhaust duct work D COMPRESSED AIR SUPPLY SYSTEM The compressed air system of the ML 410 Tilting dryer consists of a number of pneumatic pistons located...

Page 37: ...ctric solenoid operators one 1 on each side of the valve To tilt the dryer forward a 24 volt signal is applied to the rear pistons solenoid connector 12 and no voltage is applied to the solenoid connector 14 The internal spool in the valve will move and 80 PSI 5 512 bars of air will enter the bottom port of the rear tilting pistons extending the rear tilting piston rods and tilting the dryer forwa...

Page 38: ...ted and power to the dryer is then shut off the sprinkler will stay on until the manual water valve is closed or until the dryer s internal temperature drops below the sprinkler set point temperature and the sprinkler reset button is physically pushed E ELECTRICAL INFORMATION 1 Electrical Requirements It is your responsibility to have ALL electrical connections made by a properly licensed and comp...

Page 39: ...Motor 7 1 2 HP ADC Part No 181017 Drive ELECTRICAL SERVICE SPECIFICATIONS PER DRYER IMPORTANT 208 VAC AND 230 VAC ARE NOT THE SAME When ordering specify exact voltage NOTE A Fuse ratings are dual element time delay current limiting class RK1 or RK5 ONLY B Circuit breakers are thermal magnetic industrial type ONLY For others calculate verify correct breaker size according to appliance amp draw rati...

Page 40: ...ical service relay box NOTE A CIRCUIT SERVING EACH DRYER MUST BE PROVIDED 4 Main Grounding Grounding earth connections 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 ANSI NFPA NO 70 LATEST EDITION or in Canada the installation must conform to applicable Canada St...

Page 41: ...dryer from gas 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 theAmerican National Standard National Fuel Gas CodeANSI 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 P...

Page 42: ...2 Liquid Propane L P Gas Dryers made for use with liquid propane L P gas have both of their gas valve s internal pressure regulators open so that the gas pressure must be regulated upstream of the dryer The pressure is measured at each gas valve pressure tap and must be a consistent 10 5 inches water column W C 26 1 mb There is no regulator or regulation provided in an L P gas dryer The water colu...

Page 43: ... right side of the base of the dryer For ease of servicing the gas supply line of each dryer must have it s own shut off 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 liquid propane gas the supply tank other gas operated appliances on the same line etc Specific information regarding supply line size ...

Page 44: ...s by brushing on a soapy water solution liquid detergent works well WARNING NEVER TEST FOR LEAKS WITH A FLAME ALL components materials must conform to National Fuel Gas Code SpecificationsANSI 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 d...

Page 45: ...eel 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 High Pressure Inlet 2 supply line connection Return 1 1 4 return line connection 3 Installation Instructions To insure an adequate supply of steam is provided ...

Page 46: ...ed 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 e Install an inverted bucket steam trap which will pass 2 700 lbs hr 1224 69 kg hr at 125 psi 8 6 bars and a check valve at least 12 inches 30 48 cm below the steam coil as close to the coil as possible f The supply line a...

Page 47: ... provided It is suggested that a filter regulator assembly with gauge 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 The filter regulator assembly with gauge is provided on dryers with the AUTOMATIC DOOR TILTING or SPRINKLER CIRCUIT OPTION y l p p u S r i A d e s s e r p m o C e r u s s e r P r i A l ...

Page 48: ...eat to start the drying process When the damper is closed ambient air is drawn directly into the tumbler basket allowing a rapid cool down Diagram 1 shows the damper in the heating open mode allowing heat into the tumbler basket drum Diagram 2 shows the damper in the cool down closed mode pulling ambient air directly into the tumbler basket drum without passing through the coils NOTE With the drye...

Page 49: ... valve and make the necessary adjustments as noted below NOTE Adjust both flow control valves equally so that both pistons operate at the same time H WATER SUPPLY CONNECTION FOR OPTIONAL SPRINKLER SYSTEM If the dryer is equipped with the SPRINKLER SYSTEM OPTION a water supply of approximately 40 PSI 2 75 bars must be connected into the 1 N P T sprinkler shut off valve located on the left side of t...

Page 50: ... and go to Wrinkle Guard 7 When the programmed drying time has expired the Phase 7 OPL microprocessor controller computer will proceed into the Cool Down Cycle Mode 8 Once the COOL DOWN Cycle begins at the end of the heat cycle the L E D display will read COOL DOWN TEMP ___ ___MINUTE REMAINING At the end of the heat cycle the dryer will shut off the heat and continue the Fan and Tumbler until the ...

Page 51: ...ot to ignite on the first attempt This is because the gas supply piping is filled with air so the dryer may have to be stopped and restarted several times for this air to be purged from the lines 2 The dryer has two 2 burner boxes and each burner has its own Direct Spark Ignition DSI Module and Spark Ignition Flame Probe Assembly If ignition is not established after first attempt the heat circuit ...

Page 52: ...omputer has been preprogrammed by the factory with the most commonly used program parameter selections If computer programming changes are required refer to the Computer Programming Manual which was shipped with the dryer J PREPARATION FOR OPERATION START UP The following items should be checked before attempting to operate the dryer 1 Read ALL CAUTION WARNING and DIRECTION labels attached to the ...

Page 53: ...N 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 shut off valve 2 SHUT OFF internal gas supply shut off valves located in the gas ...

Page 54: ...ial number so that your inquiry is handled in an expeditious manner B PARTS 1 Replacement parts should be purchased from the distributor from whom the ADC equipment was purchased If the distributor cannot be contacted or is unknown contact the ADC Parts Department for a distributor in your area Parts may also be purchased directly from the factory by calling the ADC Parts Department at 508 678 900...

Page 55: ...d or is unknown warranty information can be obtained from the factory by contacting the ADC Warranty Department at 508 678 9000 NOTE Whenever contacting the ADC factory for warranty or 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 PART S ALL dryer or parts warranty claims o...

Page 56: ...n 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 A...

Page 57: ... MACHINE BEFORE PERFORMING ANY MAINTENANCE IN THE MACHINE cleaning the lint drawers is the only exception NOTE Suggested time intervals shown are for average usage which is considered six 6 to eight 8 operational running hours per day SUGGESTED CLEANING SCHEDULE EVERY THIRD or FOURTH LOAD Clean the lint basket A clogged lint basket will cause poor dryer performance The lint basket is located in th...

Page 58: ...r Retighten and or replace if required STEAM MODELS Clean the steam coil fins We suggest using compressed air and a vacuum cleaner with brush attachment NOTE When cleaning steam coil fins be careful not to bend the fins If fins are bent straighten by using a fin comb which is available from any local air conditioning supply house Inspect and remove any lint accumulation in customer furnished exhau...

Page 59: ... AFTER INSTALLATION SHUT OFF ALL POWER TO THE DRYER Verify that the electrical connections to the motor contactors and overloads are tight This is done to accommodate the compression of the wires over time C LUBRICATION MONTHLY The two 2 1 3 4 inch 4 45 cm bearings that support the impellor fan shaft should be lubricated Use Shell Alvania 3 grease or its equivalent Impellor fan shaft bearings must...

Page 60: ... shaft are each supported by two 2 2 inch 5 08 cm diameter pillow block bearings These bearings sit on slotted support channels and can be moved inward or outward by the adjustment bolts to raise or lower the tumbler basket The drive system consists of a 7 1 2 HP 5 59 kw drive motor which is connected to the drive shaft by two 2 A section V belts driving a shaft mounted 5 6 to 1 ratio gear reducer...

Page 61: ...yer can start and ensures that the doors are fully open before the dryer will tilt If the dryer is started when the load doors are open the microprocessor controller computer L E D light emitting diode display will show door 2 Lint Basket Switch This switch ensures that the lint basket is closed before the dryer can start This switch is located at the front of the dryer at the right side of the li...

Page 62: ...r hi limit fault or rear burner hi limit fault 5 Sail Switches for Gas Dryers Only These sail switches are located in the front and back of the burner boxes A sail switch consists of a round damper plate on a lever arm which is in contact with an electric switch When the air blower comes on it draws air through the gas burners This creates a negative pressure inside the burner boxes This negative ...

Page 63: ...the solenoid valve blocks the air supply to the pistons and the air in the pistons is bled to atmosphere The springs in the pistons now retract the piston rods closing the steam damper The steam damper plate now covers the steam coil and allows room air to bypass the coil before entering the tumbler basket for a rapid cool down The steam damper plate should open and close slowly and smoothly The s...

Page 64: ...ction of the dryer Power to turn ON the Pneumatic Valve is supplied from the Sprinkler Control Circuit Power to turn OFF the sprinkler is supplied from a manual reset button located on the Right Front Control Door SPRINKLER VALVE This valve controls the flow of the sprinkler water It is air actuated and requires air pressure to turn ON or OFF NOTE THAT THERE IS A RED INDICATING PISTON AT THE REAR ...

Page 65: ...plate for voltage rating information SPRINKLER THEORY OF OPERATION 1 Power Sprinkler System circuit 2 TURN TO RELEASE ALL EMERGENCY STOP E Stop buttons 3 Run dryer If the temperature of the tumbler basket should rise above the sprinkler controller s preset value the Sprinkler System will activate and the following will occur An AUTOMATIC EMERGENCY STOP E Stop will stop the dryer The Alarm Horn wil...

Page 66: ...E LOWER SPH SET POINT HIGH 700 SETTING CAN NOT BE HIGHER SPSt SET POINT STATE rE REVERSE ACTION SPOL SET POINT OUTPUT LOW LIMIT 0 NOT USED SPOH SET POINT OUTPUT HIGH LIMIT 100 NOT USED SPLP SET POINT LAMP 0 OFF LAMP OFF WHEN OUTPUT IS ON AL HIGH ALARM ONLY Hi ALt ALARM TYPE Abs ABSOLUTE ALARM ALrE ALARM RESET OnOf AUTOMATIC RESET ALPi ALARM POWER INTERRUPT OFF ALARM INHIBIT IS OFF ALiH ALARM INHIB...

Page 67: ...ADC 113128 1 03 13 00 25 ...

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