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Maytag MDG-120PHV, Installation Manual

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Maytag MDG-120PHV Installation Manual Download Page 43

113395 - 9

Maytag Co.

41

WARNING:

If the water in the supply line or water solenoid valve freezes, the fire suppression system

will be

 INOPERATIVE!!

The manual ball cock shutoff valve 

must be

 located outside of the dryer at a distance from the dryer 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 fire suppression system is accomplished internally in the dryer (from the dryer controls).

!

WARNING:

Electrical power 

must be

 provided to the dryer at 

ALL

 times.  If the main electrical

power supply to the dryer is disconnected, the fire suppression system is
INOPERATIVE!!

WARNING: ELECTRICAL SHOCK HAZARD

Electrical shock hazard can result in serious injury.
If the water dispensing system is activated do not attempt to operate the dryer.
If the water dispensing system is activated have the dryer inspected by a qualified
agency before operating the dryer.

Summary of Contents for MDG-120PHV

Page 1: ...in Suivez les instructions du fournisseur Si vous ne pouvez rejoindre le fournisseur de gaz appelez le service des incendies L installation et l entretien doivent être assurés par un installateur ou un service d entretien qualifié ou par le fournisseur de gaz WARNING For your safety the information in this manual must be followed to minimize the risk of fire or explosion and to prevent property da...

Page 2: ...ions 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 SNAME _____________________________________________________________________________...

Page 3: ...u 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 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 o...

Page 4: ...TERNALLINTCOLLECTIONSYSTEMISUSED 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 44 C and 130 F 54 44 C FORYOURSAFETY DO NOTDRYMOPHEADSINTHEDRYER DO NOTUSED...

Page 5: ...nstructions 28 K Operating Instructions 28 L Compressed Air Requirements MDG 170 Only 29 SECTIONIV SERVICE PARTSINFORMATION 30 A Service 30 B Parts 30 SECTIONV WARRANTYINFORMATION 31 A Returning Warranty Cards 31 B Warranty 31 SECTIONVI ROUTINEMAINTENANCE 32 A Cleaning 32 B Adjustments 33 C Lubrication 33 SECTIONVII MANUALRESETBURNERHI LIMITINSTRUCTIONS 34 A Phase 7 34 B Dual Timer 34 SECTIONVIII ...

Page 6: ...ants e Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions f If you cannot reach your gas supplier call the fire department 4 Installation and service must be performed by a qualified installer service agency or gas supplier 5 Dryer s must be exhausted to the outdoors 6 Although Maytag produces a very versatile dryer there are some articles that due to...

Page 7: ... 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...

Page 8: ...TAINER 3 7 DRYERS PER 48 53 TRUCK 9 10 WATER CONNECTION 3 4 11 5 NH VOLTAGE AVAILABLE 208V 3ø 3w 60 Hz APPROX NET WEIGHT 1 349 lb 611 9 kg APPROX SHIPPING WEIGHT 1 489 lb 675 4 kg HEAT INPUT 375 000 Btu hr 94 500 kcal hr AIRFLOW 2 150 cfm 60 88 cmm INLET PIPE CONNECTION 1 F N P T SECTIONII SPECIFICATIONS A MDG 120 SPECIFICATIONS GAS Shaded areas are stated in metric equivalents 11 21 13 NOTE Thema...

Page 9: ...113395 9 Maytag Co 7 NOTE Themanufacturerreservestherighttomakechangesinspecificationsatanytimewithout noticeorobligation MDG 120 Specifications ...

Page 10: ...YERS PER 48 53 TRUCK 8 9 VOLTAGE AVAILABLE 240V 3ø 3w 60 Hz APPROXIMATE NET WEIGHT 2 103 lb 953 90 kg APPROXIMATE SHIPPING WEIGHT 2 269 lb 1 029 20 kg AIRFLOW 3 700 cfm 104 77 cmm HEAT INPUT 550 000 Btu hr 138 598 kcal hr EXHAUST CONNECTION DIAMETER 18 45 72 cm COMPRESSED AIR CONNECTION 1 4 Quick Connection COMPRESSED AIR VOLUME 4 25 cfh 0 12 cmh INLET PIPE CONNECTION 1 1 2 F N P T B MDG 170 SPECI...

Page 11: ...113395 9 Maytag Co 9 MDG 170 Specifications NOTE Themanufacturerreservestherighttomakechangesinspecificationsatanytimewithout noticeorobligation ...

Page 12: ...s 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 Provision...

Page 13: ...s The dryer can be moved to its final location while still attached to the skid or with the skid removed To remove skid from the dryer locate and remove the four 4 lag bolts securing the base of the dryer to the wooden skid Two 2 are located 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 lag bolts located in the lint ch...

Page 14: ...e eight 8 sets of nuts and washers B holding the console module to base c Open the control door control panel and disconnect the white 15 pin plug connector C located in the base of the control box d Disconnect white plug connector located outside back side of the control box provides power to heat circuit e Lift the console module off the dryer base IMPORTANT The dryermust be transported and hand...

Page 15: ...OTE It is recommended that this joint be taped as well as ALL other duct joints to preventmoistureandlintfromescaping intothebuilding WARNING An exhaust duct transition piece is shipped inside of the dryer s tumbler and must be installed on the dryer s exhaust duct with the hardware provided BEFORE location venting is connected to the dryer THIS EXHAUST DUCT TRANSITION PIECE MUST BE INSTALLED FIRS...

Page 16: ...e dryer If a sprinkler is located above the dryer 18 inches 45 72 cm is required D Dryer should be positioned 24 inches 60 96 cm away from the nearest obstruction and 36 inches 91 44 cm is recommended for ease of installation maintenance and service E 2 inch 5 08 cm minimum is required for opening the control door F Flooring should be level or below dryer cabinet for ease of removing panels during...

Page 17: ...cm2 per 1 000 Btu 252 kcal It is not necessary to have a separate make up air opening for each dryer Common make up air openings are acceptable However they must be set up in such a manner that the make up air is distributed equally to ALL the dryers To compensate for the use of registers or louvers used over the openings this area must be increased by approximately 33 Make up air openings should ...

Page 18: ...k draft dampers must be installed in ALL commonly ducted systems Inspection doors should be installed at strategic points in the exhaust ductwork for periodic inspection and cleaning of lint from the ductwork IMPORTANT It is recommended that exhaust or booster fans not be used in the exhaust ductwork system IMPORTANT Exhaustbackpressuremeasuredbyamanometer magnehelicintheexhaustduct must be no les...

Page 19: ...1 elbow is used the cross sectional area of the ductwork must be increased 3 Vertical Venting When vertical dryer venting is used the length of the ductwork from the dryer to the outside exhaust outlet must not exceed 15 feet 38 1 meters The minimum diameter of this ductwork must be at least 14 inches 35 56 cm for MDG 120 18 inches 45 72 cm for MDG 170 Including tumbler dryer elbow connections or ...

Page 20: ...ectional area for multiple dryer round or square venting These figures must be increased if the main duct run from the last dryer to where it exhausts to the outdoors is longer than 12 feet 3 656 meters or has more than 1 elbow in it A MDG 120 14 inch 35 56 cm MDG 170 18 inch 45 72 cm B 20 feet 6 10 meters Multiple Dryer Venting with 14 inch 35 56 cm Diameter 2 150 cfm 60 88 cmm Exhaust Connection...

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

Page 22: ...ircuit breakers for 3 phase 3ø dryers must be 3 pole type SERVICE VOLTAGE PHASE WIRE SERVICE APPROX AMP DRAW CIRCUIT BREAKER 60 Hz 50 Hz 208 3ø 3 15 20 MDG 170 Gas ELECTRICAL SERVICE SPECIFICATIONS PER DRYER IMPORTANT NOTES A B C 208 VAC AND 230 240 VAC ARE NOT THE SAME When ordering specify exact voltage When fuses are used they must be dual element time delay current limiting class RK1 or RK5 ON...

Page 23: ...n in each dryer at the electrical service connection area 4 Electrical Connections A wiring diagram is located inside the control box for connection data If local codes permit power to the dryer can be made by the use of a flexible U L listed power cord pigtail wire size must conform to rating of dryer or the dryer can be hard wired directly to the service breaker panel In both cases a strain reli...

Page 24: ...an cause irreparable damage to the gas valve VOIDINGTHEWARRANTY 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 M91 L P...

Page 25: ...lve pressure tap must be a consistent 10 5 inches 26 1 mb water column There is no regulator or regulation provided in an L P dryer The water column pressure must be regulated at the source L P tank or an external regulator must be added to each dryer TYPE OF GAS 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 m...

Page 26: ...ther gas operated appliances on the same supply line etc Specific information regarding supply line size should be determined by the gas supplier NOTE Undersizedgassupplypipingcancreatealoworinconsistentpressure whichwillresultin erraticoperationoftheburnerignitionsystem Consistent gas pressure is essential at ALL gas connections It is recommended that a 1 inch 2 54 cm pipe gas loop be installed i...

Page 27: ...ply piping system during any pressure testing of that system at test pressures in excess of 1 2 psig 3 5 kPa NOTE Thedryermust beisolatedfromthegassupplypipingsystembyclosingitsindividualmanual shutoffvalveduringanypressuretestingofthegassupplypipingsystemattestpressuresequal to or less than 1 2 psig 3 5 kPa ...

Page 28: ...WILLNOTSTART 9 Rotate the tumbler by hand to be sure it moves freely 10 Check bolts nuts screws terminals and fittings for security 11 Check to ensure air supply 80 psi 5 51 bar is connected to the dryer 12 Check tumbler bearing setscrews to ensure they are ALL tight I PREOPERATIONAL TEST ALL dryers are thoroughly tested and inspected before leaving the factory However a preoperational test should...

Page 29: ...ank or an external regulator must be added to each dryer 4 Make a complete operational check of ALL safety related circuits i e lint drawer switch and sail switch NOTE To check for proper sail switch operation open the main door and while holding main door switch plunger in start dryer Dryer should start but heat circuit should not be activated on If heat burner does activate shut the dryer off an...

Page 30: ... 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 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 K OPERATING INSTRUCTIONS NOTE Before attempting to start the dryer make ...

Page 31: ...gulation a No air regulation or filtration is provided with the dryer External regulation filtration of 80 psi 552 kPa must be provided It is suggested that a regulator filter gauge arrangement be added to the compressed air line just before the dryer connection This is necessary to ensure that correct and clean air pressure is achieved 3 Air Connection a Air connection to this system is a 1 8 F P...

Page 32: ...contacting the Maytag Co be sure to give them the correct model number and serial numbersothatyourinquiryishandledinanexpeditiousmanner B PARTS Replacement parts should be purchased from the dealer from whom the Maytag equipment was purchased If the Maytag 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 d...

Page 33: ...must be completed and returned for each individual dryer NOTE Besuretoincludetheinstallationdatewhenreturningthewarrantycard 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 ob...

Page 34: ...NT CAN CREATEAPOTENTIALFIREHAZARD WARNING KEEP DRYERAREA CLEAR AND FREE FROM COMBUSTIBLE MATERIALS GASOLINE AND OTHER FLAMMABLE VAPORSAND LIQUIDS NOTE Suggested time intervals shown are for average usage which is considered six 6 to eight 8 operational running hoursperday IMPORTANT Dryer produces combustible lint and must be exhausted to the outdoors Every 6 months inspecttheexhaustductingandremov...

Page 35: ...g dryer cabinet s avoid using harsh abrasives Aproduct intended for the cleaningofappliancesisrecommended 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 Tigh...

Page 36: ...he drum temperature has dropped below 100 F 38 C The clear stop button on the Phase 7 keypad 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...

Page 37: ... 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 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 or kilowatts kW 5 ORIFICE SIZE For Gas Dryers Gives the numbe...

Page 38: ...ar area of the dryer Both the dwell stop time and tumbler spin time are adjustable by mode selection switches located on the electronic timer refer to 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 8 9 10 2 Values shown are 1 second ...

Page 39: ...n 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 3 Verify that the applicable indicator lights on the microprocessor controller computer board are lit Refer to the illustration below ...

Page 40: ...s 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 module w...

Page 41: ...te and federal regulations or codes IMPORTANT It is the installer s or owner s responsibility to see that the necessary or required water water pressure pipe size or connections are provided The manufacturer assumesnoresponsibilityifthefiresuppressionsystemis notconnected installed or maintainedproperly INSTALLATION 1 Requirements The fire suppression system must be supplied with a minimum water p...

Page 42: ...rotect these water lines from freezing 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 photograph 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 coupli...

Page 43: ... 24 volt power to operate the fire suppression system is accomplished internally in the dryer from the dryer controls WARNING Electrical power must be provided to the dryer at ALL times If the main electrical power supply to the dryer is disconnected the fire suppression system is INOPERATIVE WARNING ELECTRICALSHOCK HAZARD Electrical shock hazard can result in serious injury If the water dispensin...

Page 44: ...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 microprocessor controller computer will display S A F E SYSTEM WASACTIVATED If the temperature has dropped below trip point the microprocessor controller computer will turn off the water prior to 10 minutes SYSTEM RESET After the microprocessor ...

Page 45: ...LED Mode DISCONNECTED WATER VALVE This message indicates that the water valve is open or that it is not connected to the microprocessor controller computer If this condition is detected the microprocessor controller computer 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 microprocessor controller com...

Page 46: ...Part No 113395 9 03 26 15 ...

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