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American Dryer Corp. ML-190, Руководство по установке

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34

American Dryer Corp.

113354 - 20

4. Steam Damper Air System Connections

In standard format, this dryer is manufactured with a pneumatic (piston) damper system, which requires an
external supply of compressed air.  (Note: this dryer may be provided with an optional steam solenoid valve
in which case, no steam damper system is provided.)  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 (refer to the 

bottom illustration

 on 

page 35

).

a. Air Requirements

Shaded areas are stated in metric equivalents

b. Air Connection

Air connection to system — 1/4” Quick Connection

c. No air regulator or filtration is provided with the dryer.  External regulation/filtration of 80 psi (5.51 bar)

must be

 provided.  It is suggested that a filter/regulator/gauge arrangement be added to the compressed

air line just before the dryer connection.  This is necessary to ensure that correct and clean air pressure
is achieved.

5. Steam Damper System Operation

The dryer’s steam damper as shown in the 

top illustration

 on 

page 35

, 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 tumbler, allowing a rapid cool down.

Diagram 1

 shows the damper in the heating (open) mode, allowing heat into the tumbler.

Diagram 2 

shows the damper in the cool down (closed) mode, pulling ambient air directly into the tumbler

without passing through the coils.

NOTE:

With the dryer off or with no air supply, the steam damper is in cool down mode as shown in

Diagram 2 

at the top of 

page 35

.

Compressed

Air Supply

Air Pressure

 Normal

80 psi

5.51 bar

 Minimum Supply

70 psi

4.82 bar

 Maximum Supply

90 psi

6.21 bar

Содержание ML-190

Страница 1: ...annot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier AVERTISSEMENT Assurez vous de bien suivre les instructions données dans cette notice pour réduire au minimum le risque d incendie ou d explosion ou pour éviter tout dommage matériel toute blessure ou la mort Ne pas entreposer ni utiliser d es...

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

Страница 3: ... cause improper operation Attention Au moment de l entretien des commandes étiquetez tous les fils avant de les débrancher Des erreurs de câblage peuvent entraîner un fonctionnement inadéquat et dangereux Proposition 65 Use of this product could expose you to substances from fuel combustion that contain chemicals known to the State of California to cause cancer birth defects and other reproductive...

Страница 4: ...F 4 44 C and 130 F 54 44 C FORYOURSAFETY DO NOTDRYMOPHEADSINTHEDRYER DO NOTUSEDRYERINTHEPRESENCEOFDRYCLEANINGFUMES WARNING UNDER NO CIRCUMSTANCESshouldthedryerdoorswitches thelintdrawerswitch or the heat safety circuit ever be disabled Do not modify this appliance The dryer must never be operated with any of the back guards outer tops or service panels removed PERSONAL INJURY OR FIRE COULD RESULT ...

Страница 5: ...on 27 H Steam Information 31 I Preparation for Operation Start Up 36 J Preoperational Test 37 K Preoperational Instructions 39 L Compressed Air Requirements 40 M Shutdown Instructions 41 SECTION IV SERVICE PARTS INFORMATION 42 A Service 42 B Parts 42 SECTION V WARRANTY INFORMATION 43 A Returning Warranty Cards 43 B Warranty 43 C Returning Warranty Parts 43 SECTION VI ROUTINE MAINTENANCE 45 A Clean...

Страница 6: ...ny 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 ALLoccupants e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions f If you cannot reach your gas supplier call the fire department 5 Installation and service must be performed by a qualified installer service agency or gas sup...

Страница 7: ...illVOIDTHEWARRANTY 11 UNDER NO CIRCUMSTANCES should the dryer door switches the lint drawer switch or the heat safety circuit ever be disabled WARNING PERSONAL INJURY OR FIRE COULD RESULT SHOULD THE DRYER DOOR SWITCHES THE LINT DRAWER SWITCH OR THE HEATSAFETY CIRCUIT EVER BE DISABLED 12 This dryer is not to be used in the presence of dry cleaning solvents or fumes 13 Remove articles from the dryer...

Страница 8: ...________________________________________________________ _____________________________________________________________________________________________________________________________ _____________________________________________________________________________________________________________________________ ___________________________________________________________________________________________...

Страница 9: ...W EXHAUST CONNECTION DIAMETER COMPRESSED AIR CONNECTION COMPRESSED AIR VOLUME OVEN SIZE kW Btu hr kcal hr VOLTAGE AVAILABLE 208 575v 3ø 3 4w 50 60 Hz APPROX NET WEIGHT 2 349 lb 1 065 49 kg APPROX SHIPPING WEIGHT 2 515 lb 1 140 78 kg AIRFLOW 50 60 Hz 4 400 cfm 124 59 cmm STEAM CONSUMPTION 465 lb hr 210 9 kg hr OPERATING STEAM PRESSURE 125 psi max 8 62 bar EXHAUST CONNECTION DIAMETER 20 50 80 cm COM...

Страница 10: ...6 American Dryer Corp 113354 20 NOTE ADCreserves the right to make changes in specifications at any time without notice or obligation ML 190 SPECIFICATIONS ...

Страница 11: ...113354 20 www adclaundry com 7 ML 190 SPECIFICATIONS Steam with Optional One Stage Steel Steam Coil NOTE ADCreserves the right to make changes in specifications at any time without notice or obligation ...

Страница 12: ...0 lb 86 18 kg TUMBLER DIAMETER 55 5 8 141 29 cm TUMBLER DEPTH 43 1 2 110 49 cm TUMBLER VOLUME 61 20 cu ft 1732 99 L TUMBLER DRIVE MOTOR 3 hp 2 24 kW BLOWER FAN MOTOR 7 1 2 hp 5 59 kW DOOR OPENING DIAMETER 31 3 8 79 71 cm DOOR SILL HEIGHT 36 91 44 cm WATER CONNECTION 3 4 B S P T DRYERS PER 20 40 CONTAINER 3 7 DRYERS PER 48 53 TRUCK 8 8 VOLTAGE AVAILABLE 208 575v 3ø 3 4w 50 Hz APPROX NET WEIGHT 2 10...

Страница 13: ...113354 20 www adclaundry com 9 MLG 190DR SPECIFICATIONS NOTE ADCreserves the right to make changes in specifications at any time without notice or obligation ...

Страница 14: ...t View Illus No Description 1 Microprocessor Control Keypad Panel Assembly controls 2 Control top access Door Assembly 3 Main Door Assembly 4 Lint Drawer 5 Lint Door 6 Wire Diagram located behind control door 7 Data Label and Installation Label 8 Top Console module Assembly ...

Страница 15: ...113354 20 www adclaundry com 11 2 Dryer Front Internal View Illus No Description 1 Drive tumbler Motor 2 Drive Assembly 3 Blower Motor 4 IdlerAssembly 5 Installation Label 6 Data Label 7 Heating Unit ...

Страница 16: ...as 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 Thedryermust be installedonnoncombustiblefloorsonly 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 Provisio...

Страница 17: ...l location while still attached to the skid or with the skid removed To unskid 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 lin...

Страница 18: ... dryer 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 drye...

Страница 19: ...ance of 12 inches 30 48 cm is required providing no sprinkler is located above the dryer For steam dryers or if a sprinkler is located above the dryer 18 inches 45 72 cm is required D Dryer should be positioned 12 inches 30 48 cm away from the nearest obstruction and 24 inches 60 96 cm is recommended for ease of installation maintenance and service E 2 inch 5 08 cm minimum is required for opening ...

Страница 20: ...consideration to ensure proper performance of each dryer An unrestricted source of air is necessary for each dryer As a general rule an unrestricted air entrance from the outdoors atmosphere of a minimum of 4 5 square feet 0 41 square meters is required for each dryer Based on 1 square inch per 1 000 Btu To compensate for the use of registers or louvers used over the openings this make up air must...

Страница 21: ...turns as possible Single or independent dryer venting is recommended NOTE Make up air openings should not be located in an area directly near where the exhaust vents exitthebuilding The shape of the ductwork is not so critical as 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 angles instead The radius of the elbows sh...

Страница 22: ...uctwork 2 Single Dryer Venting IMPORTANT Forverticalventingtheminimumductsizeis24 inches 60 96cm forMLG 190DR 12 inches 30 4 cm for a round duct and 20 inches 50 8 cm for MLG 190DR 12 inches 30 4 cm for round horizontal venting THE DUCT SIZE MUST NOT BE REDUCEDANYWHERE DOWNSTREAM OF THE DRYER IMPORTANT Exhaust back pressure measured by a manometer at each tumbler exhaust duct area must be no less ...

Страница 23: ... periodic inspection and cleaning of lint from the ductwork Vertical Venting When single dryer vertical venting is used the length of ductwork from the dryer to the outside exhaust outlet must not exceed 30 feet 9 14 meters The minimum diameter of this ductwork must be at least 24 inches 60 96 cm for MLG 190DR 12 inches 30 4 cm even though the dryer exhaust duct is only 20 inches 50 8 cm for MLG 1...

Страница 24: ...on Venting If it is not feasible to provide separate exhaust ducts for each dryer ducts from individual dryers may be channeled into a common main duct The individual ducts should enter the bottom or side of the main duct at an angle not more than 45 in the direction of the flow and should be spaced at least 60 3 16 152 87 cm apart The main duct should be tapered with the diameter increasing befor...

Страница 25: ...oportion if the main duct run to the last dryer to where it exhausts to the outdoors is unusually long over 20 feet 6 1 meters or has numerous elbows more than one 1 in it In calculating ductwork size the cross sectional area of a square or rectangular duct must be increased twenty percent 20 for each additional 20 feet 6 1 meters The diameter of a round exhaust must be increased ten percent 10 fo...

Страница 26: ...of water column W C The ductwork should be smooth inside with no projections from sheet metal screws or other obstructions which will collect lint When adding ducts the duct to be added 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 ...

Страница 27: ...independently protected branch circuit The dryer must be connected with copper wire only DO NOT use aluminum wire it could 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 NOTE Wiring diagrams are affixed to the inside at the top front cont...

Страница 28: ...bel In the case of 208 VACor240VAC the supply voltage must match the electric service specifications of the data label exactly WARNING 208 VAC AND 240 VACARE NOT THE SAME Any damage done to dryer componentsduetoimpropervoltageconnectionswillautomaticallyVOIDTHE WARRANTY NOTE ADCreserves the right to make changes in specifications at any time without notice or obligation 2 Electrical Service Specif...

Страница 29: ...ervice box the service cover must be removed The LINE POWER and the GROUND connections to the dryer must be made through the knockout hole at the top of the electric service relay box A strain relief must be used where the line power ground wires go into the electric service relay box Providing local codes permit power connections to the dryer can be made by use of a flexible underwriters laborato...

Страница 30: ...per left hand corner of the dryer For added personal safety when possible it is suggested that a separate ground wire sized per local codes be connected from the ground connection of the dryer 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 ...

Страница 31: ... cause irreparable damage to the gas valve which willVOID THEWARRANTY WARNING FIRE OR EXPLOSION COULD RESULTDUETOFAILURE OF ISOLATING OR DISCONNECTING THE GAS SUPPLYAS NOTED 1 Gas Supply The gas dryer installation must meet the American National Standard National Fuel Gas Code ANSI Z223 1 LATEST EDITION or in Canada the Canadian Installation Codes CAN CGA B149 1 M91 Natural Gas or CAN CGA B149 2 M...

Страница 32: ...2252 Shaded areas are stated in metric equivalents Measured at the gas valve pressure tap when the gas valve is on b Gas Connections Inlet connection 1 1 2 N P T Inlet supply size 1 1 2 Pipe minimum Btu hr input per dryer 590 000 148 680 kcal hr 470 000 118 517 kcal hr for MLG 190 AGA 404 000 101 874 kcal hr for MLG 190DR 1 Natural Gas Regulation is controlled by the dryer s gas valve s internal r...

Страница 33: ...ssure 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 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...

Страница 34: ...30 American Dryer Corp 113354 20 ...

Страница 35: ...NT Coil failure due to improper pH level willVOIDTHEWARRANTY 2 Steam Requirements High Pressure Standard 2 Stage Steam Coil Inlet ________ 1 1 4 N P T supply line connection qty two 2 at first top and third manifold Return ______ 1 N P T return line connection qty two 2 at second and fourth bottom manifold Optional 1 Stage Steel Steam Coil Inlet ________ 1 1 2 N P T Supply Line Connection qty one ...

Страница 36: ... e Install an inverted bucket steam trap and check valve at least 12 inches 30 48 cm below EACH steam coil return manifold as close to the coil as possible 1 Two inverted bucket steam traps each with a capacity of 1 000 lb 453 6 kg of condensate per hour 125 psi 8 62 bar are required for each dryer 2 With optional one stage steel steam coil one inverted bucket steam trap with capacity of 2 000 lb ...

Страница 37: ...113354 20 www adclaundry com 33 Piping Diagram for Standard 2 Stage Steam Coil Piping Diagram for Optional One Stage Steel Steam Coil ...

Страница 38: ...ngement be added to the compressed air line just before the dryer connection This is necessary to ensure that correct and clean air pressure is achieved 5 Steam Damper System Operation The dryer s steam damper as shown in the top illustration on page 35 allows the coil to stay constantly charged eliminating repeated expansion and contraction When the damper is opened the air immediately passes thr...

Страница 39: ...n was 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 ...

Страница 40: ...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 Be sure the lint drawer is securely in pla...

Страница 41: ...W direction otherwise the dryer efficiencywill bedrasticallyreducedandprematurecomponent failurecanresult 5 Heat Circuit Operational Test Gas Models a 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 air to be purged from the lines b The...

Страница 42: ...opposite direction a Microprocessor Controller Computer Dryer Models 1 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 in the forward direction and 120 seconds in the reverse direction with a 5 second dwell stop time 2 Spin and dwell stop times are adjustable in the Manual timed Mod...

Страница 43: ...int the cycle that was in progress will be cancelled and returned to the READY state NOTE Press and hold the DOWNARROW to view the tumbler RPM 5 When the programmed drying time has expired the Phase 7 non coin microprocessor controller computer will proceed into the Cool Down Cycle 6 Once the Cool Down Cycle begins at the end of the heat cycle the L E D display will read COOL DOWN TEMP ___ ___ MIN...

Страница 44: ...at 80 psi 0 12 cmh at 5 51 bar for steam models For steam models compressed air is necessary for the air standard operated steam damper No damper is provided with optional steam solenoid valve On both the steam models as well as the gas models compressed air is necessary required for blower air jet operation to clean lint from the impellor fan squirrel cage 1 Air Requirements a Microprocessor Cont...

Страница 45: ...e shutdown 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 SHUT OFF external gas supply shutoff valve b STEAM MODELS discontinue the steam supply SHUT OFF external location furnished shutoff valve ...

Страница 46: ...el number andserial numbersothatyourinquiryishandledinanexpeditiousmanner 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 1 508 678 9000 o...

Страница 47: ...eller 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 1 508 678 9000 NOTE Whenever contacting the ADCfactory for warranty information be sure to have the dryer s model numberand serial numberavailable so that your inquiry can b...

Страница 48: ... 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 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 prepai...

Страница 49: ...EEP DRYERAREA CLEAR AND 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 IMPORTAN...

Страница 50: ...haft bearings are tight NOTE To prevent damage avoid cleaning and or touching the Direct Spark Ignitor 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 OF LINT IN THE EXHAUST DUCTWORK CAN CREATEAPOTENTIALFIREHAZARD NOTE DO NOT OBSTRUCT THE FLOW OF COMBUSTIO...

Страница 51: ...rational check of controls and valves Complete operational check of ALL safety devices i e door switches lint drawer switch sail switch burner and hi limit thermostats Squirrel cage type fan impellor on the blower motor must be inspected and cleaned every 6 months C LUBRICATION The fan shaft bearing and ALL the tumbler drive shaft and idler shaft bearings must be lubricated every 3 months Use a 2 ...

Страница 52: ...of the dryer and the type of heat gas electric or steam 2 SERIAL NUMBER Allows the manufacturer to gather information on your particular dryer 3 TYPE OF HEAT This describes the type of heat for your particular dryer gas either natural gas or liquid propane L P gas electric or steam 4 HEAT INPUT for GAS DRYERS This describes the heat input in British thermal units per hour Btu hr 5 ORIFICE SIZE for...

Страница 53: ...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 back side of the microprocessor controller computer board are lit refer to the illustration below ...

Страница 54: ...icates normal operation No L E D indicator indicates a power or an internal failure has occurred 3 For Models with DSI Module Type II Theory of Operation Start the drying cycle When the gas burner ignites within the chosen trial for ignition time 8 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 mod...

Страница 55: ... C For non coin models the clear stop button on the Phase 7 keypad must be pressed to clear the error condition For coin models the pause key must be held down for 3 seconds to clear the fault The open burner hi limit must be reset manually prior to the start of the next cycle B DUAL TIMER This dryer was manufactured with a manual reset burner hi limit thermostat If the burner hi limit is open pri...

Страница 56: ...in if a fire condition remains or reignites While the water jet s are activated the tumbler will jog to move the water throughout the load The microprocessor will display that the system was activated and will continue to display until the dryer is attended to 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...

Страница 57: ... solenoid valve is a 1 2 M P T the F S S must be supplied with a minimum water pipe size of 1 2 inch 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 Flexiblesupplylin...

Страница 58: ...valve has a 3 8 M P T connection and a 1 2 bushing is supplied to provide the minimum 1 2 inch supply feed line Flexible supply line coupling must be used in effort to avoid damage to electric water solenoid valve IMPORTANT Flexible supply line couplingmustbeused Solenoidvalvefailureduetohard plumbing connectionsWILLVOID WARRANTY It is recommended that a filter orstrainerbeinstalledinthewatersuppl...

Страница 59: ...f the rear area of 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 F S S will be INOPERATIVE The manual ball cock shutoff valve must be located outside of the dryer at a distance from the dryer wher...

Страница 60: ...remain on The control will continue to check if temperature is above trip point every 30 seconds If the water has been on for a constant 10 minutes the water will be turned off regardless of the temperature If the temperature has dropped below trip point the control will turn off the water prior to 10 minutes SYSTEM RESET After the microprocessor determines that the situation is under control and ...

Страница 61: ...____________________________________________________________________________________________________________________ _____________________________________________________________________________________________________________________________ _____________________________________________________________________________________________________________________________ _______________________________...

Страница 62: ...ADC Part No 113354 20 10 23 14 ...

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