American Dryer Corp. MDG50MNV User's Manual
Contents
1. TYPE OF GAS Liquid Propane Btu hr kcal hr Natural Liquid Propane Conversion Kit Rating Rating Qty D M S Part No Qty D M S Part No Part Number 150 000 37 800 3 29 140820 3 46 140806 883325 Shaded area is stated in metric equivalent Drill Measurement Size D M S equivalents are as follows Natural Gas 29 0 1360 3 4540 mm Liquid Propane Gas 46 0 810 2 0574 mm 20 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 a 1 2 N P T inlet pipe connection extending out the back area of the burner box The minimum pipe size supply line to the dryer is 1 2 diameter 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 tank2. MDGSOPNH MDGSOMNV Installation Manual 50 Ib Single Pocket Phase 7 Non Coin with S A F E System WARNING For your safety the information in this manual must be followed to minimize the risk of fire or explosion and to prevent property damage personal injury or death Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DOIF YOU SMELL GAS e Do not try to light any appliance e Do not touch any electrical switch do not use any phone in your building e 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 e 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 MAYTAG _ COMMERCIAL LAUNDRY AVERTISSEMENT Assurez vous de bien suivre les instructions donn es dans cette notice pour r duire au minimum le risque d incendie ou d explosion ou pour viter tout dommage materiel toute blessure ou la mort Ne pas entreposer ni utiliser d essence ni d autres vapeurs ou liquides inflammables proximit de cet appareil ou de tout autre appareil QUE FAIRE SI VOUS SENTEZ UNE ODEUR DE GAZ e Ne pas tenter d allumer d appareils e Ne touchez aucun interrupteur Ne pas vous servir des t l pho
3. WARNING Electrical power must be provided to the dryer at ALL times If the main electrical power supply to the dryer is disconnected the S A F E system is INOPERATIVE 40 S A F E System Theory of Operation While the dryer is in an idle state or 20 seconds after the heat tums off the Phase 7 control monitors the thermistor probe located in the top of the basket tumbler chamber and records the minimum temperature If the minimum recorded thermistor probe temperature is greater than 120 F 48 C and the control detects a 50 rise in temperature this will be the trip point and the S A F E system routine will activate While a drying cycle is in process and the heat has turned on at least once the Phase 7 control monitors the exhaust temperature transducer If the drying cycle temperature set point is set greater than 160 F 71 C and the control detects an exhaust temperature rise 25 F greater than set point this will be the trip point and the S A F E system routine will activate If set point is below 160 F 71 C the trip point will be 185 F 85 C Once the S A F E system routine is activated the control will display S A F E SYSTEM 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 t
4. 610 meters is made by changing each burner orifice If this conversion is necessary contact the Maytag dealer who sold the dryer 19 2 Technical Gas Data a Gas Specifications TYPE OF GAS NATURAL LIQUID PROPANE Manifold Pressure 3 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 1 2 N P T Inlet supply size 1 2 Diameter Pipe minimum Heat input per dryer 150 000 Btu hr 37 800 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 Liguid 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 pressure must be regulated at the source L P tank or an external regulator must be added to each dryer
5. Allowances must be made for opening the control door TA S MLL A Mm AE N A 30 inches 76 2 cm for optimum opening of load door B The maximum thickness of the bulkhead is 4 inches 10 16 cm For electric dryers the maximum thickness of the bulkhead is 1 inch 2 54 cm within 3 inches 7 62 cm from the top of the control door For gas and electric dryers a minimum overhead clearance 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 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 2 inch 5 08 cm minimum is required for opening the control door Flooring should be level or below dryer cabinet for ease of removing panels during maintenance 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 along with the removal of panels during maintenance D FRESH AIR SUPPLY REOUIREMENTS The air supply make up air must be given careful 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 1 1 2 sguare
6. other gas operated appliances on the same line etc Specific information regarding supply line size should be determined by the gas supplier GAS WATER HEATERS LP SUPPLY TANK 21 Consistent gas pressure is essential at ALL gas connections It is recommended that 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 Refer to the illustrations on the previous page 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 P T 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 IMPORTANT The dryer and its individual shutoff valve 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 NOTE The dryer must be isolated from the ga
7. ANSI NFPA NO 70 LATEST EDITION or in Canada the installation must conform to applicable Canada Standards Canadian Electrical Codes Parts 1 amp 2 CSA C22 1 1990 or LATEST EDITION The ground connection may be to a proven earth ground at the location service panel For added personal safety when possible it is suggested that a separate ground wire 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 Provisions are made for ground connection in each dryer at the electrical service connection area 17 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 ofa 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 Single Phase 19 Wiring Connections Hookup The electrical input connections on ALL single phase 19 gas dryers are made into th
8. 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 Sail Switch NOTE The sail switch can be checked for proper operation by opening the lint drawer While pushing the lint drawer switch in start a drying cycle The heating unit should not activate wait 30 seconds If heat does activate make the necessary adjustments to the sail switch 24 5 Make a complete operational check of ALL operating controls 6 The dryer should be operated through one 1 complete cycle to ensure 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 J PREOPERATIONAL INSTRUCTIONS NON COIN MODELS To start the dryer Microprocessor controller computer dryers 1 Light emitting diode L E D display will read REAdY meaning no cycle in progress 2 Press the letter on the keyboard touch pad corresponding to the cycle des
9. Phase 7 non coin control will immediately enter S A FE SYSTEM DISABLED mode SHORTED THERMISTOR PROBE This message indicates that the S A F E system thermistor probe is damaged or the wiring is shorted If this condition is detected the Phase 7 non coin control will immediately enter S A FE SYSTEM DISABLED mode DISCONNECTED WATER VALVE This message indicates that the water valve is open or that it is not connected to the control If this condition is detected the Phase 7 non coin control will continue to monitor the condition for a period of 5 minutes before entering S A F E SYSTEM DISABLED mode Once the condition is corrected the control will continue to monitor the condition for 1 minute before exiting S A F E SYSTEM DISABLED mode SHORTED WATER VALVE This message indicates that the water valve is shorted or that the wiring to the valve is shorted If this condition is detected the Phase 7 non coin control will continue to monitor the condition for a period of 5 minutes before entering S A F E SYSTEM DISABLED mode Once the condition is corrected the control will continue to monitor the condition for 1 minute before exiting S A F E SYSTEM DISABLED mode WATER NOT CONNECTED This indicates that there is no water pressure at the water valve This will occur if water is not connected to the dryer or if there is low water pressure in the water line coming to the dryer This could also signify a defective pressure switch or defec
10. back of the dryer IMPORTANT IMPORTANT IMPORTANTE HEATING UNIT IS EQUIPPED WITH A HI LIMIT THERMOSTAT WHICH MUST BE RESET MANUALLY WARNING DISCONTINUE POWER TO DRYER BEFORE ATTEMPTING TO RESET HI LIMIT L ELEMENT CHAUFFANT EST EQUIPE D UN THERMOSTAT A LIMITE MAXIMALE QUI DOIT ETRE REGLE MANUELLEMENT MISE EN GARDE COUPER LE COURANT D ALIMENTATION DU SECHE LINGE AVANT DE REGLER LA LIMITE MAXIMALE LA UNIDAD DE CALENTAMIENTO ESTA EQUIPADA CON UN TERMOSTATO DE LIMITE SUPERIOR QUE DEBE REINICIALIZARSE MANUALMENTE ADVERTENCIA DESCONECTE LA ALIMENTACION ELECTRICA A LA SECADORA ANTES DE REINICIALIZAR EL LIMITE SUPERIOR ADC P N 114076 36 SECTION X SENSOR ACTIVATED FIRE EXTINGUISHING S A F E SYSTEM S A FE System In Action The exclusive Sensor Activated Fire Extinguishing S A F E System will extinguish fires that may start in the drying basket tumbler A series of sensors positioned throughout the basket tumbler and interfaced with the microprocessor will trigger the S A FE system water jet s to quickly extinguish the flames The water jet s remain on for 2 minutes and will automatically activate again if a fire condition remains or reignites While the water jet s are activated the basket 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
11. feet 0 14 sguare meters is reguired for each dryer If registers or louvers are installed over the openings then the area must be increased It is not necessary to have separate make up air openings 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 the dryers The dryer must be installed with provisions for adequate combustion and make up air supply EXAMPLE For a bank of eight 8 dryers two 2 unrestricted openings measuring 3 feet by 2 feet 0 914 meters by 0 61 meters are acceptable 3 MAKE A ENING 3 OIE a a N 97 m 2 2 Em R ESE EIE T SS ASE Ty IR IN ELO LN EE LN MA oa AS NES ZI ES ad SSI EL 03 MAN5079 TYPICAL INSTALLATION SHOWING MAKE UP AIR OPENINGS IMPORTANT Make up air openings should not be located in an area directly near where exhaust vents exit the building 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 contaminating fumes such as dry cleaning solvent fumes Make up air that is contaminated by dry cleaning solvent fumes will result in irreparable damage to the motors and other dryer components NOTE Component failur
12. 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 model dryers are equipped with an ignition system which has internal diagnostics If ignition is not established after one 1 time the heat circuit in the ignition module will attempt two 2 more ignitions total of three 3 ignition attempts If there is no flame after the third ignition attempt the module will lockout until it is manually reset To reset the ignition 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 ensure 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
13. make this manual as complete as possible and hope you will find it useful The manufacturer 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 37 BEFORE YOU START CHECK LOCAL CODES AND PERMITS Call your local water company or the proper municipal authority for information regarding local codes IMPORTANT Itis your responsibility to have ALL plumbing connections made by a qualified professional to assure that the plumbing installation is adequate and conforms to local state and federal regulations or codes IMPORTANT Itis the installation or owners responsibility to see that the necessary or required water water pressure pipe size or connections are provided Manufacturer assumes no responsibility if the S A F E system is not connected installed or maintained properly INSTALLATION 1 Requirements The S A F E 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 Flexible supply line coupling must be used Solenoid valve failure due to hard plumbing connections WILL VOID WARRANTY If the rea
14. you choose to do so even though this practice is not necessary Use Shell Alvania 2 grease 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 the Maytag dealer 30 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 the drawer out IMPORTANT After replacing the lint drawer back into the dryer be sure to rotate move hinge back to the upward stop position 31 SECTION VII DATA LABEL INFORMATION id N E MODE OHA F a Ney Fred y sd E Med 7 a 4 TYPE OF HEAT HEAT INPUT 0 TO 2000 FT ORIFICE SIZE 6 NE nie 9 GAS NATURAL EN CZ ELECTRIC SERVICE MINIMUM GAS SUPPLY PRESSURE MAXIMUM GAS SUPPLY PRESSURE PEN GAS MANIFOLD PRESSUR 19 FOR USE wi GASES CLOTHES DRYER VOLI xFOR CANADIAN INSTALLATIONS WITH ELEVATIONS BETWEEN 2 000 AND 4 500 FT EAT INPUT ORIFICE SIZE Y KLA 7 03 MAN6904 When contacting the Maytag Co certain information is required to ensure proper service parts information This information is on the data label affixed to the left side panel area behind the top control access door When contacting the Maytag Co please have the model number and s
15. Carpeting must be removed from the floor area that the dryer is to rest on 2 3 4 The dryer must not be installed or stored in an area where it will be exposed to water and or weather The dryer is for use in noncombustible locations Provisions for adequate air supply must be provided as noted in this manual refer to Fresh Air Supply Requirements in Section D Clearance provisions must be made from combustible construction as noted in this manual refer to Dryer Enclosure Requirements in Section C 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 The dryer must be installed with a proper exhaust duct connection to the outside as noted in this manual refer to Exhaust Requirements in Section E The 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 IMPORTANT The dryer should be located where a minimum amount of exhaust duct will be necessary 9 The dryer must be installed with adequate clearance for air openings into the combustion chamber CAUTION This dryer produces combustible lint and must be exhausted to the outdoors Every 6 months inspectthe exhaust ducting and remove any lint buildup C DRYER ENCLOSURE REQUIREMENTS Bulkheads and partitions should be made of noncombustible material NOTE
16. HE DUCT MUST BE CENTERED WITHIN THIS OPENING 15 F ELECTRICAL INFORMATION 1 Electrical Requirements ALL electrical connections must be made by a properly licensed and competent electrician This is to ensure 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 Canadian Electrical Codes Parts 1 amp 2 CSA C22 1 1990 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 or component failure NOTE Component failure due to improper installation will VOID THE WARRANTY Each dryer should be connected to an independently protected branch circuit The dryer must be connected with copper wire only DO NOT use aluminum wire which could cause 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 Theuse of aluminum wire will VOID THE WARRANTY IMPORTANT A separate protected circuit must be provided to each dryer NOTE An individual ground circuit must be provided to each dryer do not daisy chain IMPORTANT The dryer must be connected to the electric supply
17. ING 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 efficiency is dependent upon proper air circulation The accumulation of lint can restrict this airflow If the guidelines in this section are met a Maytag 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 buildup 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 refer to the illustration on page 31 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 lin
18. NG CROSS SECTIONAL AREA os CROSS SECTIONAL AREA OF A ROUND DUCT 785 19939 mm x D WHERE D DIAMETER OF THE DUCT HEIGHT CROSS SECTIONAL AREA OF A RECTANGULAR DUCT WIDTH x HEIGHT W WIDTH AND H HEIGHT WIDTH NOTE A OPENING MUST BE 2 INCHES 5 08 cm LARGER THAN THE DUCT A ALL THE WAY AROUND THE DUCT MUST BE CENTERED WITHIN THIS OPENING VERTICAL VENTING Illus D HEERDEN MULTIPLE DRYER VENTING VERTICAL WITH A ae b IMUM 8 20 32 cm DIAMETER EXHAUST CONNECTIONS AT COMMON DUCT NO OF DRYERS 7 S 4 3 2 1 MINIMUM CROSS SOIN 315 255 200 115 SECTION AREA SO CM 2032 1625 1290 742 DIA MINIMUM ROUND N 20 18 16 12 DUCT DIAMETER CM 50 45 40 30 2 x D CLEARANCE Y NOTE A N z 7 INSPECTION Y ms DOORS 4 TO INDIVIDUAL TUMBLERS L MINIMUM DISTANCES TUMBLER EXHAUST MUST ENTER MAN i 8 WALL EXHAUST DUCT AT 459 ANGLE BETWEEN DUCTS 34 1 4 87 cm b 0 MINIMUM DUCT SIZE 8 20 32 cm 4 K S IMPORTANT NO MORE THAN 4 DRYERS CAN BE CONNECTED TO ONE COMMON DUCT VENT RAR 02 20 01 MAN5681 FORMULAS TO CALCULATE DUCTING CROSS SECTIONAL AREA Som CROSS SECTIONAL AREA OF A ROUND DUCT 785 19939 mm x DIA HEIGHT CROSS SECTIONAL AREA OF A RECTANGULAR DUCT WIDTH x HEIGHT __ WIDTH H NOTE A OPENING MUST BE 2 INCHES 508 cm LARGER THAN THE DUCT ALL THE WAY AROUND T
19. PRECAUTIONS ii soes dese ve ee tn n OG ee de eo N de de 3 SECTION II SPECIFICATIONS ass ai 5 SECTION III INSTALLATION PROCEDURES aaaaanaaaassessannsnnnnnnnnnnnnnnannnnnnnnnnnannnnnnnnnsnstnnnnnnnnnn0 n 7 As Unpacking Setting U p NA ie la a A k dB Ak kad 7 Be Location Requirements ss EE EE Ge sde A eis a a ee an 8 8 C Dryer Enclosure Requirements a ek 9 D Fresh Air Supply Requirements aaiaaaaaaasasaaasaasaasaaaaaaaaasaaaaaaaaanaaasanuaanaaanaauaaudaasaaaaandaadaaaaaaa 10 E Exhaust Reg irements ii d adi Ee Re A ns tnt dite eats 11 Fe Electrical Information a GE ee GE i 16 EME ss EE ie Ee ie cas ve Shae aves Seale nae A Gatos 19 H Preparation For Operation Start Up A A aes aise a ass 23 T oPr operstional Tests ii e et Se RE Oe ag dus 24 J Preoperational ACA a Ge asa EN 25 K Shutdown Instructions es vei GR Se mienne dva stak aaa aes ee es ee ese a sauna 26 SECTION IV SERVICE PARTS INFORMATION csscscccsssscssssssssccccssssccssssscsscsssssccssssssssccess 27 A era ne ED ED GE ne nee en Pre DS Pan nn en A 27 B PATES sa EA AO E e AR E 27 SECTION V WARRANTY INFORMATION ses esse se des de iss ee ed ese es darted od se ese ee ee ia ee 28 Az Returning WEES oe Se nr ee ee ae 28 B WV AMAIA ET E EIE N OE is a 28 SECTION VI ROUTINE MAINTENANCE issssisciscsesonsosnnnnnnansnonnnnninannainnanannndandnanndnnnannsdnni a tnas anina 29 PE ME IERE SEE OE ED GE M en SE 29 B PROMS NINES ESE EE EG E Sa
20. R CONNECTION 3 4 11 5 NH VOLTAGE AVAILABLE 120v 1 2w 60 Hz APPROX WEIGHT UNCRATED 651 lbs 295 3 kg l APPROX WEIGHT CRATED 700 Ibs 317 7 kg O HEAT INPUT 150 000 Btu hr 37 800 kcal hr AIRFLOW 750 cfm 21 cmm INLET PIPE CONNECTION 1 2 M N P T Shaded areas are stated in metric equivalents 1 30 04 Specifications AND MUST NOT EXCEED 0 3 0 74 MB WA LAN VIEW REAR VIEW fi N N S 32 81 3 F FRONT VIE SS 3 29 04 Manufacturer reserves the right to make changes in specifications at any time without notice or obligation SECTION HI 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 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 UNPACKING SETTING UP Remove protective shipping material 1 e plastic wrap and optional shipping box from dryer The dry
21. TRUCTIONS A PHASE 7 This dryer was manufactured with a manual reset burner hi limit thermostat which is monitored by the Phase 7 computer Ifthe burner hi limit is open prior to the start of the drying cycle the dryer will start momentarily and then shut down the Phase 7 computer will display burner HIGH LIMIT fault 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 keyboard touch pad must be pressed to clear the error condition 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 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 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 burner operation The location of the burner hi limit is on the right side of the burner box looking at the burner from the
22. ad Sah ER N Ge Ee SE RD EEN Sad be 30 ATT AC ATM ER RE De ie 30 SECTION VI DATA LABEL INFORMATION aaanasesntt vscansssnnssnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnannnann mm 32 SECTION VIII PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS 33 SECTION IX MANUAL RESET BURNER HI LIMIT INSTRUCTIONS aa a s 0000 000000 00 000 36 As Phase Tn TN A IA EG GE r k 36 B Daal Ter Ee Se RS aaa 36 SECTION X SENSOR ACTIVATED FIRE EXTINGUISHING S A F E SYSTEM 37 SECTIONI 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 and 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 f DO NOT try to light any appliance DO NOT touch any electrical switch DO NOT use any phone in your building 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 4 Installation and service must be performed by a qualified installer service agency or gas supplier 5 Dryers must be exhausted to the outdoors 6 Although Maytag produces a very versatile dryer there are some article
23. al 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 diagnostic indicator flashes A steady L E D indicator indicates normal operation No L E D indicator indicates a power or an internal failure has occurred For Models with DSI Module Type ID 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 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 ared L E D diagnostic indicator will flash An unlit red L E D diagnostic indicator indicates normal operation A lit green L E D diagnostic indicator indicates dryer controller is calling for heat and that ALL interlocks have been satisfied 35 SECTION IX MANUAL RESET BURNER HI LIMIT INS
24. at test pressures equal to or less than 1 2 psig 3 5 kPa IMPORTANT Failure to isolate or disconnect the dryer from supply as noted can cause irreparable damage to the gas valve which will VOID THE WARRANTY WARNING FIRE OR EXPLOSION COULD RESULT DUE TO FAILURE OF ISOLATING OR DISCONNECTING THE GAS SUPPLY AS 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 B 149 1 M91 Natural Gas or CAN CGA B149 2 M91 L P Gas or LATEST EDITION 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 data label If this information does not agree with the type of gas available DO NOT operate the dryer Contact the dealer who sold the dryer or contact the Maytag Co 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
25. ave an electronic reversing timer in the electrical service box which is located in the upper left rear area of the dryer Both the Dwell stop Time and the basket tumbler Spin Time are adjustable by mode selection switches located on the electronic timer as noted in the illustration below TIMING LEGEND 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 89 102 Values shown are 1 second K SHUTDOWN INSTRUCTIONS If the dryer is to be 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 GAS MODELS discontinue the gas supply a SHUT OFF external gas supply shutoff valve b SHUT OFF internal gas supply shutoff valve located in the gas valve burner area 26 SECTION IV SERVICE PARTS INFORMATION A SERVICE Service must be performed by a gualified trained technician service agency or gas supplier If service is required contact the dealer from whom the Maytag equipment was purchased If the dealer cannot be contacted or is unknown contact the Maytag Co for a dealer in your area B PARTS Replacement parts should be purchased from the dealer from whom the Mayta
26. e due to dry cleaning solvent fumes will VOID THE WARRANTY 10 E EXHAUST REQUIREMENTS 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 and shutdown of the burner by the airflow sail switch burner hi limits or lint chamber hi limit protector thermostat The dryer must be installed with a proper exhaust duct connection to the outside When possible it is suggested to provide a separate single exhaust duct for each dryer CAUTION IMPROPERLY SIZED OR INSTALLED EXHAUST DUCTWORK CAN CREATE A POTENTIAL FIRE HAZARD The exhaust 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 The shape of the ductwork is not critical as long as the minimum cross section area is provided Single or independent dryer venting is recommended It is suggested that the use of 90 turns be avoided use 30 or 45 angles instead The ductwork should be smooth inside with no projections from sheet metal screws or other obstructions which will collect lint When adding ducts the ducts to be added should overlap the duct to which it is connected ALL ductwork joints must be taped to prevent moisture and lint from escaping into the building Additionally inspection doors should be installed at strategic points in the exhaust d
27. e rear service box located at the upper left area of the dryer A ground lug is provided in the rear electrical box to connect your service ground LIEF Single Phase Electrical Lead Connections Black White a Red Green t Neutral kj Positive EL Ground or L2 FOR 110V APPLICATIONS S 18 G GAS INFORMATION It is your responsibility to have ALL plumbing connections made by a qualified professional to ensure that the gas plumbing installation is adeguate 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 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 piping system
28. equivalent in strength and corrosion resistance to ducts made of galvanized sheet steel not less than 0 0195 inches 26 gauge 0 50 mm thick SINGLE DRYER VENTING HORIZONTAL VENTING When a single 8 inch 20 32 cm horizontal vent is used the ductwork to the outlet cannot exceed 20 feet 6 1 meters refer to Illus A below This calculation of 20 feet 6 1 meters compensates or allows for the use of a maximum of only one 1 elbow which is the outside outlet protection Illus A 1 IMPORTANT Exhaust back pressure measured by a manometer at the dryer exhaust duct area must be no less than 0 and must not exceed 0 3 inches 0 74 mb of water column W C 12 VERTICAL VENTING When vertical single 10 inch 25 4 cm venting is used refer to Illus B below the ductwork from the dryer to the outside outlet cannot exceed 40 feet 12 19 meters This calculation compensates for the use of a maximum of three 3 elbows including the two 2 elbows creating the 180 turned downward outside outlet Illus B If the length of the duct run or quantity of elbows used exceeds the above noted specifications the cross sectional area of the ductwork must be increased in proportion to the number of elbows or duct run added IMPORTANT For extended ductwork runs the cross section area of the duct can only be increased to an extent For extended ductwork ru
29. er 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 lint chamber area remove the lint door With the skid removed to make it easier to slide the dryer into its final position slightly lower ALL four 4 leveling legs so that the dryer will slide on the legs instead of the base frame 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 B LOCATION REOUIREMENTS 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 or CAN CGA B149 2 M91 Liquid Propane 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
30. er door switch lint drawer switch or heat safety circuit ever be disabled WARNING PERSONAL INJURY OR FIRE COULD RESULT SHOULD THE DRYER DOOR SWITCH 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 33 lb 14 96 kg of its rated capacity WARNING YOU MUST DISCONNECT AND LOCKOUT THE ELECTRIC SUPPLY AND THE GAS SUPPLY BEFORE ANY COVERS OR GUARDS ARE REMOVED FROM THE MACHINE TO ALLOW ACCESS FOR CLEANING ADJUSTING INSTALLATION OR TESTING OFANY EQUIPMENT PER OSHA Occupational Safety and Health Administration STANDARDS SECTION II SPECIFICATIONS MAXIMUM CAPACITY DRY WEIGHT 50 Ibs 22 7 kg BASKET TUMBLER DIAMETER 32 3 4 83 2 cm BASKET TUMBLER DEPTH 37 1 2 95 3 cm BASKET TUMBLER MOTOR 3 4 hp 0 560 kW DOOR OPENING DIAMETER 21 1 2 54 61 cm BASKET TUMBLER VOLUME 18 3 cu ft 0 518 cu m DRYERS PER 20 40 CONTAINER 10 20 DRYERS PER 45748 TRUCK 24 26 WATE
31. erial number available 1 2 MODEL NUMBER Describes the size of the dryer and the type of heat gas electric or steam SERIAL NUMBER Allows the manufacturer to gather information on your particular dryer MANUFACTURING CODE NUMBER The number issued by the manufacturer which describes ALL possible options on your particular model 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 HEAT INPUT for GAS DRYERS This describes the heat input in British Thermal Units per Hour Btu hr ORIFICE SIZE for GAS DRYERS Gives the number drill size used ELECTRIC SERVICE This describes the electric service for your particular model GAS MANIFOLD PRESSURE for GAS DRYERS This describes the manifold pressure taken at the gas valve tap 32 SECTION VIII PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS 1 Microprocessor Controller Computer Board a Phase 7 Coin Models 1 Upon completing installation of the replacement microprocessor controller computer board reestablish power to the dryer 2 Start the drying cycle by pressing any temperature selection keys HI MED or LO N O I Y 5 CF WAUS Z E A DENT MAN6873 3 Verify that the applicable indicator lights on the microprocessor controlle
32. ervicing tiquetez tous les fils avant de les d brancher Des controls Wiring errors can cause erreurs de c blage peuvent entra ner un fonctionnement improper operation inad quat et dangereux CAUTION DRYER S 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 DRYER S 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 switch 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 EXTERNALLINT 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 Dryer must not be installed or stored in an area where it will be exposed to water or weather The wiring diagram for the dryer is located in the front electrical control box area IMPORTANT Dryer must be installed in a location environment which the ambient temperature remains between 40 F 4 449 C and 130 F 54 449 C Table of Contents SECTION I SAFETY
33. g equipment was purchased If the dealer cannot be contacted or is unknown contact the Maytag Co for a dealer in your area NOTE When ordering replacement parts from the Maytag dealer or the Maytag Co be sure to give them the correct model number and serial number so that your parts order can be processed in an expeditious manner 27 SECTION V WARRANTY INFORMATION A RETURNING WARRANTY CARDS Before any dryer leaves the manufacturer s 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 IMPORTANT A separate 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 manufacturer s commercial warranty covering your particular dryer s contact the Maytag dealer from whom you purchased the equipment and request a dryer warranty form If the dealer cannot be contacted or is unknown warranty information can be obtained from the Maytag Co NOTE Whenever contacting the Maytag Co 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 28 SECTION VI ROUTINE MAINTENANCE A CLEAN
34. he 2 minutes have elapsed the control will check if the temperature remained above trip point if so the water will remain on The control will continue to check if the 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 and the control will display S A F E SYSTEM WAS ACTIVATED 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 shuts the water being injected into the basket tumbler off the microprocessor display will read S A F E SYSTEM WAS ACTIVATED and the horn tone will sound until reset manually To reset the microprocessor once the control displays S A F E SYSTEM WAS ACTIVATED press the red STOP CLEAR key on the keyboard touch pad SAFE SYSTEM WATER VALVE CHECK The operation of the water solenoid valve can be tested to ensure that the water supply system and valve are functional Before attempting a system check be sure that ALL water supply shutoff valves to the dryer are in the OPEN position the dryer must be in the READY mode with no cycle loaded or in progress 1 Press and hold the red STOP CLEAR key while in READY mode and no cycle is in progress 2 Press and hold the A key 3 Water valve will open and water will be dis
35. ired 1 e key E to start rotate the dryer 3 L E D display will now show Cycle In Progress and Cycle Status meaning that the dryer is in the drying cycle dry mode for 30 minutes and count downwards in minutes NOTE Pressing keyboard touch pad key A B C D or F will also start the dryer The six 6 preprogrammed drying cycles A through F have been stored in the microprocessor controller computer memory Refer to the Programming Manual supplied with the dryer for more specific operating instructions The dryer can be stopped at any time by opening the main door or by pressing the STOP red key To restart the dryer press the START green key or a preprogrammed cycle key 1 e E Selection settings changes can be made at any time during the drying cycle by pressing the STOP red key twice The L E D display will return to REAdY at which time a new cycle selection can be made 25 DUAL TIMER DRYERS mere HEAT TIMER COOL DOWN TIMER 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 Spin and dwell stop times are adjustable at the reversing timer N oe N_ PUSH TO START TEMPERATURE _ BUTTON SELECTION REVERSING TIMER SPIN DWELL ADJUSTMENTS Timer models h
36. n ef AS UU il HAN _ N NN O NIM MG 12 3 03 MAN7032 39 OPTIONAL MANUAL BYPASS Provisions are made in the dryer S A F E system for the installation of an optional manual bypass Depending on the model dryer the connections for the manual bypass are made at the T or four way fitting located in the outlet supply side of the water solenoid valve The use and connections of this manual bypass are at the option or discretion of the owner The water connection for the manual bypass is made to the T or four way fitting which has a 3 8 FPT and a coupling must be used to provide the minimum 1 2 supply feed line If 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 Mal WARNING Ifthe water in the supply line or water solenoid valve freezes the S A F E system will be INOPERATIVE The manual ball cock shutoff valve must be located outside of the dryer at a distance from the dryer where it is easily accessible 3 Electrical Requirements No independent external power source or supply connection is necessary The 24 volt power to operate the S A F E system is accomplished internally in the dryer from the dryer controls
37. nes se trouvant dans le b timent e vacuez la pi ce le b timent ou la zone e Appelez imm diatement votre fournisseur de gaz depuis un voisin Suivez les instructions du fournisseur e 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 RETAIN THESE INSTRUCTIONS INA SAFE PLACE FOR FUTURE REFERENCE Part No 113308 7 Retain This Manual In A Safe Place For Future Reference This product embodies advanced concepts in engineering design and safety If this product is properly maintained it will provide many years of efficient trouble free and most importantly safe 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 SECURITE 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 autre appareil We have tried to make this manual as complete as possible and hope you will find it u
38. ns a professional heating ventilating and air conditioning HVAC firm should be consulted for proper venting information IMPORTANT Exhaust back pressure measured by a manometer at the dryer exhaust duct area must be no less than 0 and must not exceed 0 3 inches 0 74 mb of water column W C 13 MULTIPLE DRYER COMMON VENTING If it is not feasible to provide separate exhaust ducts for each dryer ducts for individual dryers may be channeled into a common main duct Each dryer is provided with a back draft damper 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 airflow The main common duct may be any shape as long as the minimum cross sectional area is provided The main duct should be tapered with the diameter increasing before each individual 8 inch 20 32 cm duct is added refer to Illus C for horizontal venting and Illus D for vertical venting NOTE Distance between dryer single ducts being connected to the main common duct must be a minimum of 34 1 4 87 cm dryer width Ductwork should be laid out in such a manner where allowances are made at rear area of the dryer for removal of rear service panels or guards The illustrations on page 15 show the minimum cross section area for multiple dryer venting These figures must be increased in proportion if the main duct run from the last dryer to where it exhausts has numerous elbows or is un
39. pensed into basket tumbler area as long as both keys are held The Phase 7 non coin microprocessor controller computer will prompt the user to perform a S A FE system valve check at every 4000 hours to ensure proper functionality At the 4000 hour mark the control will wait for 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 control will activate the S A F E system water valve for 2 seconds at which point the control will prompt the user with the following message IF WATER DID NOT TURN ON CALL FOR SERVICE THANK YOU 41 NOTE The control will not let the user continue until the valve test has been completed S A F E SYSTEM DIAGNOSTICS In the event that the Phase 7 non coin microprocessor controller computer detects a fault in the S A F E system the control will display the message S A F E SYSTEM DISABLED READY To find out why the S A F E system is disabling press and hold the red STOP CLEAR and green START keys This will cause the control to display a diagnostic message as detailed in the S A F E SYSTEM Diagnostics Messages section S A F E SYSTEM DIAGNOSTICS MESSAGES OPEN THERMISTOR PROBE This message indicates that the S A F E system thermistor probe either is not connected or is damaged If this condition is detected the
40. r computer board are lit Refer to the illustration below ADD Sala SEP 33 b Phase 7 Non Coin Models 1 Upon completing installation of the replacement microprocessor controller computer board reestablish power to the dryer 2 Start the drying cycle by pressing any of the preset cycles in letters A F 7 E EE F N NI 4 B ESS ee x FFF N 41516 a EN 4 S 2 7 8 9 N SY AS NA an 3 SN E F AUTO 0 MAN Y S e IN MN N r gt M SAR a 2 Y Y Ne J K C 8 02 id 3 Verify that the applicable indicator lights on the microprocessor controller computer board are lit Refer to the illustration below 34 2 For Models with Direct Spark Ignition DSI Module Type I 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 tri
41. r 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 Ifthe water in the supply line or water solenoid valve freezes the S A F E system will be INOPERATIVE IMPORTANT Appliance is to be connected to the water mains using a new hose set and the old hose sets should not be reused 38 2 Water Connections The water connection is made to the 3 4 11 5 NH hose adapter of the electric water solenoid valve located at the rear upper midsection of the dryer refer to the photo The water solenoid valve has a 3 8 M P T connection supplied with a 3 4 11 5 NH hose adapter to provide the minimum 1 2 inch supply feed line Flexible 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 Flexible supply line coupling must be used Solenoid valve failure due to hard plumbing connections WILL VOID WARRANTY It is recommended that a filter or strainer be installed in the water supply line Typical water supply qe ING plis M Y
42. s 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 22 H PREPARATION FOR OPERATION START UP The following items should be checked before attempting to operate the dryer 1 2 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 GAS MODELS check to ensure that the dryer is connected to the type of heat gas indicated on the dryer data label GAS 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 ensure that this important safety control is functioning 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 that ALL back guard panels and service box covers have been replaced Check the lint drawer to ensure that it is closed and secured in place Rotate the basket tumbler drum by hand to be sure it moves freely Check basket tumbler bearing setscrews to ensure that they are ALL tight Check that vent is connected to the dryer and is exhausted to the outdoors 23 I PREOPERATIONAL TESTS ALL dryers are thoroughly tested and inspected before
43. s 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 dry mop heads Contamination by wax or flammable solvents will create a fire hazard WARNING DO NOT use heat for drying articles that contain plastic foam sponge rubber or similarly textured rubber materials Drying ina heated basket tumbler may damage plastics or rubber and may be a fire hazard 7 A 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 electrically ground the dryer properly will VOID THE WARRANTY 9 UNDER NO CIRCUMSTANCES should the dry
44. seful The manufacturer 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 DEALER S NAME Serial Number s For replacement parts contact the dealer from which the dryer was purchased or contact Maytag Co Benton Harbor MI 1 800 662 3587 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 ina prominent location near the dryer State of California Proposition 65 Warnings WARNING This product contains a chemical known to the State of California to cause cancer WARNING This product contains a chemical known to the State of California to cause birth defects or other reproductive harm IMPORTANT YOU MUST DISCONNECT AND LOCKOUT THE ELECTRIC SUPPLY AND THE GAS SUPPLY BEFORE ANY COVERS OR GUARDS ARE REMOVED FROM THE MACHINE TOALLOW ACCESS FOR CLEANING ADJUSTING INSTALLATION OR TESTING OF ANY EQUIPMENT PER OSHA Occupational Safety and Health Administration STANDARDS Caution Label all wires prior to Attention Au moment de l entretien des commandes disconnection when s
45. shown on the data label 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 Any damage done to dryer components due to improper voltage connections will automatically VOID THE WARRANTY NOTE Component failure due to improper voltage application will VOID THE WARRANTY NOTE Manufacturer reserves the right to make changes in specifications at any time without notice or obligation 16 2 3 Electrical Service Specifications GAS ELECTRICAL SERVICE SPECIFICATIONS PER DRYER 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 to listed appliance amp draw data B 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 APPROX SERVICE piuase WIRE AMP DRAW CIRCUIT VOLTAGE SERVICE BREAKER 60Hz 50H 120 19 2 12 0 20 9 16 08 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
46. t accumulation from lint chamber thermostat and microprocessor temperature sensor sensor bracket area 29 90 DAYS Inspect and remove lint accumulation in customer furnished exhaust ductwork system and from dryer s internal exhaust ducting WARNING DO NOT OBSTRUCT THE FLOW OF COMBUSTION AND VENTILATION AIR WARNING INSPECT AND REMOVE ANY 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 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 permanently lubricated It is physically possible to relubricate the basket tumbler bearings if
47. tive wiring to the pressure switch If this condition is detected the Phase 7 non coin control will continue to monitor the condition for a period of 5 minutes before entering S A F E SYSTEM DISABLED mode Once the condition is corrected the control will continue to monitor the condition for 1 minute before exiting S A F E SYSTEM DISABLED mode STARTING A CYCLE WHEN COMPUTER IS IN S A F E SYSTEM IS DISABLED MODE When the S A F E system is disabled the user can still start a cycle However when a cycle is started the control will display the following message S A F E SYSTEM IS DISABLED PRESS START TO CONTINUE This message will be displayed every time a cycle is started until the disabling condition has been corrected 42 Notes 43 MAYTAG GOMMERCIAL LAUNDRY Part No 113308 7 09 16 08 5
48. uctwork for periodic inspection and cleaning IMPORTANT When connecting ductwork to the dryer exhaust duct be sure that when screws are used they DO NOT restrict the operation both opening and closing of the damper 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 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 Ifthe 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 i e roof or ground level IMPORTANT DO NOT use screens louvers or caps on the outside opening of the exhaust ductwork IMPORTANT Exhaust back pressure measured by a manometer at the dryer exhaust duct area must be no less than 0 and must not exceed 0 3 inches 0 74 mb of water column W C IMPORTANT It is recommended that exhaust or booster fans not be used in the exhaust ductwork system 11 NOTE As per the National Fuel Gas Code Exhaust ducts for type 2 clothes dryers shall be constructed of sheet metal or other noncombustible material Such ducts shall be
49. usually long IMPORTANT For extended ductwork runs the cross section area of the duct can only be increased to an extent For extended ductwork runs a professional heating ventilating and air conditioning HVAC firm should be consulted for proper venting information Refer to page 15 for Multiple Dryer Horizontal Venting and Vertical Venting examples illustrations IMPORTANT Exhaust back pressure measured by a manometer at the dryer exhaust duct area must be no less than 0 and must not exceed 0 3 inches 0 74 mb of water column W C 14 HORIZONTAL VENTING Illus C MULTIPLE DRYER VENTING HORIZONTAL WITH A MINIMUM 8 20 3 32 cm DIAMETER EXHAUST CONNECTIONS AT COMMON DUCT NO OF DRYERS 4 3 2 1 MINIMUM CROSS SQIN 255 200 155 80 SECTION AREA SQ CM 1645 1290 1000 516 VERTICAL MINIMUM ROUND N 18 16 14 10 DUCT DIAMETER CM 5 40 35 5 ZN a MAXIMUM NOTE A H N i NOTE A a EE 2 X D CLEARANCE od KZ LIN HORIZONTAL fo INSPECTION ROOF y DOORS TO INDIVIDUAL DRYERS MINIMUM DISTANCES TUMBLER EXHAUST MUST ENTER MAIN BETWEEN DUCTS 34 1 4 87 cm WALL EXHAUST DUCT AT A 45 ANGLE r ZR ARA MINIMUM DUCT SIZE 8 20 32 cm 7 IMPORTANT NO MORE THAN 4 DRYERS CAN BE CONNECTED TO ONE COMMON DUCT VENT RAR 02 20 01 MAN5682 FORMULAS TO CALCULATE DUCTI
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