MAYTAG MDG30PCC User Manual

MDG30PCC  
(3 0 Lb Sin gle Pock et , Ph ase 7 Coin )  
In st allat ion Man ual  
AVERTISSEMENT: Assurez-vous de bien  
WARNING: For your safety the information in  
this manual must be followed to minimize the  
risk of fire or explosion or to prevent property  
damage, personal injury or death.  
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’essence ni  
d’autres vapeurs ou liquides inflammables à  
proximité de cet appareil ou de tout autre  
appareil.  
— Do not store or use gasoline or other flammable  
vapors and liquids in the vicinity of this or any  
other appliance.  
— WHAT TO DO IFYOU SMELLGAS:  
— QUE FAIRE SIVOUS SENTEZ UNE ODEUR  
DE GAZ:  
• 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.  
• Ne pas tenter d’allumer d’appareils.  
• Ne touchez à aucun interrupteur. Ne pas  
vous servir des téléphones se trouvant dans  
le bâtiment.  
• Évacuez la pièce, le bâtiment ou la zone.  
• Appelez immédiatement votre fournisseur  
de gaz depuis un voisin. Suivez les  
instructions du fournisseur.  
• If you cannot reach your gas supplier, call  
the fire department.  
• Si vous ne pouvez rejoindre le fournisseur  
de gaz, appelez le service des incendies.  
— Installation and service must be performed by a  
qualified installer, service agency or the gas  
supplier.  
L’installation et l’entretien doivent être assurés par  
un installateur ou un service d’entretien qualifié  
ou par le fournisseur de gaz.  
RETAIN THESE INSTRUCTIONS INASAFE  
PLACE FOR FUTURE REFERENCE  
072303MGOLDSTEIN/tcosta  
Part No. 113201  
IMPORTANT  
YOU MUSTDISCONNECTAND LOCK OUTTHE ELECTRIC SUPPLYANDTHE GAS  
SUPPLY OR THE STEAM SUPPLY BEFORE ANY COVERS OR GUARDS ARE  
REMOVED FROM THE MACHINE TO ALLOW ACCESS FOR CLEANING,  
ADJUSTING, INSTALLATION, OR TESTING OF ANY EQUIPMENT PER OSHA  
(Occupational Safety and HealthAdministration) STANDARDS.  
«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.»  
“Caution: Label all wires prior to  
disconnection when servicing controls. Wiring  
errors can cause improper operation.”  
CAUTION  
DRYERS SHOULD NEVER BE LEFT UNATTENDEDWHILE IN OPERATION.  
WARNING  
CHILDREN SHOULD NOTBEALLOWED TO PLAYON OR NEAR THE DRYER(S).  
CHILDREN SHOULD BE SUPERVISED IFNEAR DRYERS IN OPERATION.  
FORYOUR SAFETY  
DO NOT DRYMOPHEADS INTHE DRYER.  
DO NOT USE DRYER INTHE PRESENCE OF DRYCLEANING FUMES.  
WARNING  
UNDER NO CIRCUMSTANCES should the door switch or the heat circuit devices  
ever be disabled.  
WARNING  
The dryer must never be operated with any of the back guards, outer tops, or service  
panels removed. PERSONALINJURYOR FIRE COULD RESULT.  
WARNING  
DRYER MUST NEVER BE OPERATED WITHOUTTHE LINT FILTER/SCREEN IN  
PLACE, EVEN IFAN EXTERNALLINT COLLECTION SYSTEM IS USED.  
IMPORTANT  
PLEASE OBSERVEALLSAFETYPRECAUTIONS 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 (4.44° C) and 130° F (54.44° C).  
Ta ble of Con ten ts  
SECTION I  
SAFETY PRECAUTIONS......................................................................................... 3  
SECTION II  
SPECIFICATIONS..................................................................................................... 5  
SECTION III  
INSTALLATION PROCEDURES ........................................................................... 7  
A. Unpacking and Setting Up .......................................................................................................... 7  
B. Location Requirements ............................................................................................................... 8  
C. Dryer Enclosure Requirements .................................................................................................... 9  
D. FreshAir Supply Requirements ................................................................................................. 10  
E. Exhaust Requirements ............................................................................................................... 11  
F. Electrical Information ................................................................................................................ 17  
G. Gas Information ........................................................................................................................ 20  
H. Preparation For Operation and Start-Up ................................................................................... 24  
I. PreoperationalTests ................................................................................................................. 25  
J. Preoperational Instructions ........................................................................................................ 26  
K. Shutdown Instructions ............................................................................................................... 27  
SECTION V  
SERVICE/PARTS INFORMATION ...................................................................... 28  
A. Service ..................................................................................................................................... 28  
B. Parts ........................................................................................................................................ 28  
SECTION V  
WARRANTY INFORMATION............................................................................... 29  
A. Returning Warranty Cards ......................................................................................................... 29  
B. Warranty .................................................................................................................................. 29  
SECTION VI  
ROUTINE MAINTENANCE .................................................................................. 30  
A. Cleaning ................................................................................................................................... 30  
B. Adjustments ............................................................................................................................. 31  
C. Lubrication ............................................................................................................................... 31  
SECTION VII  
DATA LABEL INFORMATION ............................................................................. 32  
SECTION VIII  
PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT  
COMPONENTS........................................................................................................ 34  
SECTION IX  
MANUAL RESET BURNER HI-LIMIT INSTRUCTIONS ............................... 36  
SECTION I  
SAFETY PRECAUTIONS  
WARNING: For your safety, the information in this manual must be followed to minimize the risk of  
fire or explosion or to prevent property damage, personal injury, or loss of life.  
WARNING: The dryer must never be operated with any of the back guards, outer tops, or  
service panels removed. PERSONALINJURY OR FIRE COULD RESULT.  
1. DO NOT store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other  
appliance.  
2. Purchaser or 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. WHATTO DO IFYOU SMELLGAS:  
a. DO NOT try to light any 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 ALL occupants.  
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. Dryers must be exhausted to the outdoors.  
6. Although Maytag produces a very versatile dryer, there are some articles 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.  
3
WARNING: DO NOT use heat for drying articles that contain plastic, foam, sponge rubber, or  
similarly textured rubber materials. Drying in a 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 & 2 CSA C22.1-1990 or LATEST EDITION.  
NOTE: Failure to electrically ground the dryer properly will VOIDTHE WARRANTY.  
9. UNDER NO CIRCUMSTANCES should the door switch or the heat circuit devices ever be disabled.  
WARNING: PERSONALINJURYOR FIRE COULD RESULT should the door switch or the  
heat circuit devices 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%) 19 lbs (8 kg) of its rated capacity.  
WARNING: YOU MUST DISCONNECT AND LOCK OUTTHE ELECTRIC SUPPLY  
AND THE GAS SUPPLYBEFOREANYCOVERS OR GUARDSARE  
REMOVED FROM THE MACHINE TOALLOWACCESS FOR CLEANING,  
ADJUSTING, INSTALLATION, OR TESTINGOFANYEQUIPMENT PER  
OSHA (Occupational Safety and HealthAdministration) STANDARDS.  
IMPORTANT: Dryer must be installed in a location/environment, which the ambient  
temperature remains between 40º F (4.44º C) and 130º F (54.44º C).  
4
SECTION II  
SPECIFICATIONS  
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Shaded areas are stated in metric equivalents  
8/1/03  
* Size of piping to dryer varies with installation conditions. Contact factory for assistance.  
NOTE: Manufacturer reserves the right to make changes in specifications at any time without notice or  
obligation.  
5
SPECIFICATIONS – GAS ONLY  
NOTE: Manufacturer reserves the right to make changes in specifications at any time without notice or  
obligation.  
6
SECTION III  
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 applicableAmerican National Standards:ANSI Z223.1-  
LATESTEDITION(NationalFuelGasCode)orAN SI/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  
InstallationandGasPlumbing)orCanadianElectricalCodesParts1&2CSAC22.1-1990orLA TEST EDITION  
(for Electrical Connections).  
A. UNPACKING AND SETTING UP  
Remove protective shipping material (i.e., plastic wrap and optional shipping box) from dryer.  
IMPORTANT: Dryer must be transported and handled in an upright position at ALL times.  
NOTE: The key for the top control door and bottom lint door is located in the information packaged  
and shipped in the dryer’s basket (tumbler). This key should be made accessible because it  
will be needed throughout various phases in the installation of the dryer.  
The dryer 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.  
The lint coops of ALL model dryers are supported during shipping by a bracket. REMOVE THIS BRACKET  
BEFORE STARTING THE DRYER.  
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.  
7
B. LOCATION REQUIREMENTS  
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. Carpeting must be  
removed from the floor area that the dryer is to rest on.  
IMPORTANT: “The dryer must be installed on noncombustible floors only.”  
2. The dryer must not be installed or stored in an area where it will be exposed to water or weather.  
3. The dryer is for use in noncombustible locations.  
4. Provisions for adequate air supply must be provided as noted in this manual (refer to Fresh Air Supply  
Requirements in Section D).  
5. Clearance provisions must be made from noncombustible construction as noted in this manual (refer to  
Dryer Enclosure Requirements in Section C).  
6. 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).  
7. Dryer must be exhausted to the outdoors as noted in this manual (refer to Exhaust Requirements in  
Section E).  
8. 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: Dryer should be located where a minimum amount of exhaust duct will be necessary.  
9. The dryer must be installed with a proper exhaust duct connection to the outside.  
10. The dryer must be installed with provisions for adequate combustion and make-up air supply.  
CAUTION: This dryer produces combustible lint and must be exhausted to the outdoors. Every 6  
months, inspect the exhaust ducting and remove any lint build up.  
IMPORTANT: Dryer must be installed in a location/environment, which the ambient  
temperature remains between 40º F (4.44º C) and 130º F (54.44º C).  
8
C. DRYER ENCLOSURE REQUIREMENTS  
Bulkheads and partitions should be made of noncombustible materials and must be located a minimum of  
12-inches (30.48 cm) above the dryer’s outer top; except along the front of the dryer which may be closed if  
desired.  
NOTE: Allowances must be made for opening the control door.  
X = 12-inch (30.48 cm) minimum, 24-inches (60.96 cm) is suggested for ease of maintenance.  
NOTE: Air considerations are important for proper and efficient operation.  
Dryers may be positioned sidewall to sidewall. However, a 1/16” (1.5875 mm) minimum allowance must be  
made for opening and closing of the control door and the lint door. It is suggested that the dryer be positioned  
about 2 feet (0.61 meters) away from the nearest obstruction for ease of installation, maintenance, and service  
(to be measured from the back guard). Refer to the illustration above for details.  
9
D. FRESH AIR SUPPLY REQUIREMENTS  
The air supply (make-up air) must be given careful consideration to assure 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 square feet (0.14 square meters) is required for each dryer. If  
registers or louvers are installed over the openings, then the area must be increased. 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 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 2 feet by 3 feet  
(6 square feet [0.61 meters by 0.91 meters] [0.55 square meters]) are acceptable.  
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 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 failure due to dry cleaning solvent fumes willVOIDTHEWARRANTY.  
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-limit, 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 APOTENTIAL FIRE HAZARD.  
CAUTION: DRYER MUST BE EXHAUSTED TO THE OUTDOORS.  
IMPORTANT: It is recommended that exhaust or booster fans not be used in the exhaust ductwork  
system.  
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 ductwork 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. If the 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.).  
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 equivalent in  
strength and corrosion resistance to ducts made of galvanized sheet steel not less than  
0.0195-inches (26 gauge [0.05 mm]) thick.”  
SINGLE DRYER VENTING  
IMPORTANT: For exhaust duct runs over 30 feet (9.14 meters) a minimum size of 10-inches  
(25.4 cm) must be used.  
HORIZONTAL VENTING  
When horizontal single 8-inch (20.32 cm) venting is used, the ductwork to the outlet cannot exceed 30 feet  
(9.14 meters) refer to Illus. A below. This calculation of 30 feet (9.14 meters) compensates or allows for the  
use of a maximum of only one (1) elbow.  
Illus. A  
12  
VERTICAL VENTING  
When vertical single venting is used the minimum duct size is 10-inches (25.4 cm) refer to Illus. B below, the  
ductwork from the dryer to the outside outlet cannot exceed 60 feet (18.3 meters) refer to Illus. B below. 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 section  
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 runs, a professional heating, ventilating, and  
air-conditioning (HVAC) firm should be consulted for proper venting information.  
13  
MULTIPLE DRYER (COMMON) VENTING  
HORIZONTAL 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. No more than  
four (4) dryers should be connected to one (1) main common duct run.  
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 below and Illus. D on the next page).  
Illus. C  
MULTIPLE DRYER VENTING (HORIZONTAL)  
Horizontal venting must not exceed 20 feet (6.1 meters) – this calculation compensates for the use of a  
maximum of only one (1) elbow, which is the outside outlet protection.  
NOTE: Distance between dryer single ducts being connected to the main common duct must be a  
minimum of 31-3/8” (79.7 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.  
Illus. C shows the minimum cross section area for horizontal 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  
unusually long.  
14  
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.  
VERTICAL VENTING  
Illus. D  
MULTIPLE DRYER VENTING (VERTICAL)  
The maximum length of venting from the last dryer to where it exhausts:  
Vertical venting must not exceed 25 feet (7.62 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 protection.  
IMPORTANT: No more than four (4) dryers maximum should be connected to one (1) main  
common duct with a vertical run.  
NOTE: Distance between dryer single ducts being connected to the main common duct must be a  
minimum of 31-3/8” (79.7 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.  
Illus. D shows the minimum cross section area for vertical 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  
unusually 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 HVAC firm should be  
consulted for proper venting information.  
15  
IMPORTANTVENTINGREMINDERS  
1. Ductwork size and installation should be done by a qualified professional.  
2. The dryer must be exhausted to the outdoors.  
3. Ductwork should be routed as short as possible to the outdoors with as few elbows as possible.  
4. Avoid 90° turns, use 30° or 45° turns instead.  
5. The size of the ductwork must be a minimum of 10-inches (25.4 cm) if vented vertically and 8-inches  
(20.32 cm) if vented horizontally.  
6. The inside of the ductwork should be as smooth as possible with no projections from sheet metal screws.  
Ducts added should overlap the duct to which it is to be connected.  
7. ALL ducts should be taped to prevent moisture and lint from escaping into the building.  
8. Inspection or clean out doors should be installed throughout strategic points in the ductwork for periodic  
inspection and cleaning.  
9. Whenever the duct passes through 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.  
10. The outside of the ductwork must be protectedfromtheweather. A90°elbow must be used for horizontal  
run and when vertically through a roof by using a 180° turn to point the opening downward. The distance  
between the exhaust duct and the nearest obstruction (i.e., roof or ground) must be twice the diameter of  
the duct.  
11. DO NOT use screens, louvers, or caps on the outside opening of the exhaust ductwork.  
12. 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. WARNING – DRYER MUST NEVER BE OPERATED WITHOUT THE LINT FILTER AND  
SCREEN IN PLACE, EVEN IF AN EXTERNAL LINT COLLECTION SYSTEM IS USED.  
14. Exhaust ductwork outlets should not be located in an area directly where the make-up air openings are  
located.  
IMPORTANT: It is recommended that exhaust or booster fans not be used in the exhaust ductwork  
system.  
16  
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 & 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 THEWARRANTY.  
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: The use of aluminum wire willVOIDTHEWARRANTY.  
IMPORTANT: Aseparate 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 shown on the data label.  
IMPORTANT: The wire size must be properly sized to handle the related current.  
NOTE: Component failure due to improper voltage application willVOIDTHEWARRANTY.  
NOTE: Manufacturer reserves the right to make changes in specifications at any time without notice or  
obligation.  
17  
2. Electrical Service Specifications  
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IMPORTANT: Figures shown are for non-reversing models only. For reversing models contact the  
factory.  
3. 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 ANSI/NFPA NO. 70-LATEST EDITION, or in Canada, the installation must conform to applicable  
Canada Standards: Canadian Electrical Codes Parts 1 & 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.  
IMPORTANT: For personal safety and proper operation, the dryer must be grounded.  
Provisions are made for ground connection 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 relief must be installed where the wiring enters the dryer.  
IMPORTANT: Aseparate protected circuit must be provided to each dryer.  
18  
Single-Phase (1ø) Wiring Connections/Hookup  
The electrical input connections on ALL single-phase (1ø) gas dryers are made into the rear service box  
located at the upper left area of the dryer.  
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A ground lug is provided in the rear electrical box to connect your service ground.  
19  
G. GAS INFORMATION  
It is your responsibility to have ALL plumbing connections made by a qualified professional to assure that the gas  
plumbing installation is adequate 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 codes or ordinances, and/or requirements 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 system 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 RESULTdue 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-B149.1 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 or 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 (609.6 meters), unless  
elevation requirements of over 2,000 feet (609.6 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  
(609.6 meters) is made by changing each burner orifice. If this conversion is necessary, contact the dealer  
who sold the dryer or contact the Maytag Co.  
20  
2. Technical Gas Data  
a. Gas Specifications  
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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” dia. (minimum)  
Btu/hr input (per dryer) - 90,000 (22,680 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) of water column (W.C.) pressure.  
2) Liquid 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) of 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.  
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Natural Gas ............................... #30  
Liquid Propane Gas ................... #46  
=
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0.1285” (3.2639 mm).  
0.0810” (2.06 mm).  
21  
3. Piping Connections  
ALL components/materials must conform to National Fuel Gas Code SpecificationsANSI Z223.1-LATEST  
EDITION, or in Canada, CAN/CGA-B149.1-M91 (Natural Gas) or CAN/CGA-B149.2-M91 (Liquid  
Propane [L.P.] Gas) or LATESTEDITION (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 located in the upper rear area of the dryer.  
The minimum pipe size (supply line) to the dryer is 1/2” dia. For ease in servicing, the gas supply line of  
each dryer must have its own shutoff valve.  
IMPORTANT: The gas supply line to each dryer must be a minimum of 1/2.” DO NOT REDUCE  
THIS PIPE SIZE REQUIREMENT.  
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 tank, other gas-operated appliances on the same line, etc.  
Specific information regarding supply line size should be determined by the gas supplier.  
NOTE: Undersized gas supply piping can create a low or inconsistent pressure, which will result in  
erratic operation of the burner ignition system.  
22  
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).  
WARNING: NEVER TEST FOR LEAKS WITHA FLAME!!!  
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 gas 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).  
23  
H. PREPARATION FOR OPERATION AND START-UP  
The following items should be checked before attempting to operate the dryer:  
1. Read ALL CAUTION,” “WARNING,” and “DIRECTION” labels attached to the dryer.  
2. Check incoming supply voltage to be sure that it is the same as indicated on the dryer data label.  
3. Check to assure that the dryer is connected to the type of heat or gas indicated on the dryer data label.  
4. The sail switch damper assembly was installed and adjusted at the factory prior to shipping. However,  
each sail switch adjustment must be checked to assure that this important safety control is functioning.  
5. Check bolts, nuts, screws, terminals, and fittings for tightness.  
6. Be sure that ALL gas shutoff valves are in the open position.  
7. Check ALL back guard panels and service box covers have been replaced.  
8. Make sure the lint coop support bracket has been removed.  
9. Check the lint door to assure that it is closed and secured in place.  
IMPORTANT: If during installation the lint door safety chain was disconnected, it must be  
reconnected or personal injury may result.  
10. Rotate the basket (tumbler and drum) by hand to be sure it moves freely.  
11. Check bolts, nuts, screws, terminals, and fittings for security.  
12. Check basket (tumbler) bearing setscrews to ensure that they are ALL tight.  
24  
I. PREOPERATIONAL TESTS  
ALL dryers are thoroughly tested and inspected before 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. 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: Dryers are equipped with a Direct Spark Ignition (DSI) system, which has internal diagnostics.  
If ignition is not established after the first attempt, the heat circuit in the DSI module will lock  
out until it is manually reset. To reset the DSI system, open and close the main door and  
restart the dryer.  
A gas pressure test should be taken at the gas valve pressure tap of each dryer to assure 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 (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 Switches  
b. Hi-Limit Thermostats  
c. Cycling Thermostat  
NOTE: The sail switch can be checked for proper operation by opening the lint door while heating  
circuit (gas burner or electric oven) is active (on). The heating unit should shut off within a few  
seconds. If not, make necessary adjustments to the sail switch.  
5. Make a complete operational check of ALL operating controls.  
25  
NOTE: If computer program changes are required, refer to the computer programming section of the  
manual supplied with the dryer.  
6. The dryer should be operated through one (1) complete cycle to assure 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.  
7. Check the electric service phase sequence (3-phase [3ø] models only). While the dryer is operating, check  
to see if the blower wheel (impellor/fan) is rotating in the proper direction. Looking from the front, the  
blower wheel (impellor/fan) should spin in the clockwise (CW) direction. If it is, the phasing is correct. If  
the phasing is incorrect, reverse two (2) of the three (3) leads at connections L1, L2, and L3 of the power  
supply to the dryer.  
IMPORTANT: If the blower wheel (impellor/fan) is rotating in the wrong direction, it will drastically  
reduce drying efficiency and it can also cause premature component failure.  
J. PREOPERATIONAL INSTRUCTIONS  
COIN MODELS  
Microprocessor Controller (computer)  
1. When the microprocessor controller (computer) is in the ready state, the liquid crystal display (L.C.D.)  
screen will display “Ready, Insert $XX.XX (amount) to Start.”  
2. Insert coin(s). Once the correct “Amount To Start” has been inserted, the L.C.D. will display “Select  
Temperature.”  
3. Select temperature by pressing “HI,” “MED,” or “LO.” The cycle will start and the L.C.D. will display the  
Dry Cycle selected and the remaining time.  
4. The dryer will continue through the drying and cooling cycles, until the vended time has expired.  
NOTE: To stop dryer, open main door or pressing the pause key. Continuation of the cycle will  
resume only after the door has been closed and any of the three (3) temperature selection is  
pressed.  
5. Upon completion of drying and cooling cycles, the tone (buzzer) will sound and the dryer will go into the  
Anti-Wrinkle mode for 99 minutes, or until the main door has been opened.  
IMPORTANT: For more detailed information regarding the microprocessor controller (computer) on  
your dryer, refer to the microprocessor user’s manual included with the dryer.  
26  
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:  
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.  
27  
SECTION IV  
SERVICE/PARTS INFORMATION  
A. SERVICE  
Service must be performed by a qualified 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.  
NOTE: When contacting the Maytag Co., be sure to give them the correct model number and  
serial number so that your inquiry is handled in an expeditious manner.  
B. PARTS  
Replacement parts should be purchased from 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.  
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.  
28  
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: Aseparate 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.  
29  
SECTIONVI  
ROUTINE MAINTENANCE  
A. CLEANING  
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: LINT FROM MOST FABRICS IS HIGHLYCOMBUSTIBLE. THE  
ACCUMULATION OFLINT CAN CREATEAPOTENTIALFIRE HAZARD.  
WARNING: KEEPDRYERAREACLEARAND FREE FROM COMBUSTIBLE  
MATERIALS, GASOLINE,AND OTHER FLAMMABLE VAPORS OR  
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 build up.  
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 behind the lint door in the base of the dryer. Open the lint door, brush 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 lint accumulation from lint chamber, thermostat, and microprocessor temperature sensor (sensor bracket)  
area.  
WARNING: TOAVOID THE HAZARD OFELECTRICALSHOCK, DISCONTINUE  
ELECTRICALSUPPLYTOTHE DRYER.  
30  
90 DAYS  
Inspect and remove lint accumulation in customer furnished exhaust ductwork system from dryer’s internal  
exhaust ducting.  
WARNING: THEACCUMULATION OFLINT IN THE EXHAUST DUCTWORK CAN  
CREATEAPOTENTIALFIRE HAZARD.  
WARNING: DO NOT OBSTRUCT THE FLOW OF COMBUSTION AND VENTILATION  
AIR.  
WARNING: INSPECT AND REMOVEANY LINTACCUMULATION, 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 cabinets, avoid using harsh abrasives. Aproduct 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 or most conditions the basket (tumbler) bearings are  
permanently lubricated. It is physically possible to relubricate the basket (tumbler) bearings if 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 manufacturer by ordering kit  
P/N 882159 (which includes two [2] fittings).  
31  
SECTIONVII  
DATALABELINFORMATION  
When contacting the Maytag dealer, certain information is required to insure proper service/parts information.  
This information is on the data label, which is located on the upper left side panel area behind the top control  
(access) door. When contacting the Maytag Co., please have the model number and serial number available.  
32  
THE DATA LABEL  
1. MODEL NUMBER  
The model number is an Maytag Co. number, which describes the size of the dryer  
and the type of heat (gas, electric, or steam).  
2. SERIAL NUMBER  
The serial number allows Maytag to gather information on your particular dryer.  
3. MANUFACTURING CODE NUMBER  
The manufacturing code number is a number issued by Maytag, which describes  
ALL possible options on your particular model.  
4. 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.  
5. HEAT INPUT (for GAS DRYERS)  
This describes the heat input in British Thermal Units per Hour (Btu/hr).  
6. ORIFICE SIZE (for GAS DRYERS)  
Gives the number drill size used.  
7. ELECTRIC SERVICE  
This describes the electric service for your particular model.  
8. GAS MANIFOLD PRESSURE (for GAS DRYERS)  
This describes the manifold pressure taken at the gas valve tap.  
33  
SECTIONVIII  
PROCEDURE FOR FUNCTIONAL CHECK  
OF REPLACEMENT COMPONENTS  
1. Microprocessor Controller (Computer) Board  
a. Upon completing installation of the replacement microprocessor controller (computer) board, reestablish  
power to the dryer.  
b. Start the drying cycle by pressing any temperature selection keys (HI, MED, or LO).  
c. Verify that the applicable indicator lights on the microprocessor controller (computer) board are lit.  
(Refer to the illustration below.)  
34  
2. For Models with Johnson Direct Spark Ignition (DSI) Controller (G760)  
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 “LOCK OUT” 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 “LOCK OUT” (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.  
3. For Models with Fenwal Controls DSI Module (128937)  
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 “LOCK OUT” 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 “LOCK OUT” (a red L.E.D. diagnostic indicator will  
flash).  
An unlit red L.E.D. diagnostic indicator indicates normal operation.  
AlitgreenL.E.D. diagnosticindicatorindicatesdryercontrolleriscallingforheatandthat ALL interlocks  
have been satisfied.  
35  
SECTION IX  
MANUAL RESET BURNER HI-LIMIT INSTRUCTIONS  
A. PHASE 7  
This dryer was manufactured with a manual reset burner hi-limit thermostat, which is monitored by the Phase 7  
computer. If the 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 back of the  
dryer.  
WARNING: Discontinue power to dryer before attempting to reset hi-limit.  
36  
Part No. 113201  
3 - 1/15/04 - 150  

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