American Dryer Corp. MLG-122DR User manual

ADC Part No. 113363-37
ML-122 / MLG-122DR
Installation Manual
Phase 7 / Non-Coin / Dual Timer / F.S.S.
American Dryer Corporation
88 Currant Road, Fall River MA 02720-4781 USA
Telephone: [phone] / Fax: [phone]
e-mail: [email protected] / www.adclaundry.com
AVERTISSEMENT:
RISQUE D’INCENDIE OU D’EXPLOSION
Le non-respect des avertissements de
sécurité pourrait entraîner des blessures
graves, la mort ou des dommages
matériels.
– N’entreposer pas et n’utilisez pas
d’essence ni d’autres vapeurs ou
liquides inflammables dans le voisinage
de cet appareil ou de tout autre appareil.
– QUE FAIRE SI VOUS SENTEZ UNE
ODEUR DE GAZ
●●
●●
●Ne tentez pas d’allumer d’appareil.
●●
●●
●Ne touchez à aucun interrupteur. Ne
vous servez pas des téléphones se
trouvant dans le bâtiment où vous
vous trouvez.
●●
●●
●Évacuez la pièce, le bâtiment ou la zone.
●●
●●
●Appelez immédiatement votre
fournisseur de gaz depuis un voisin.
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:
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly
could result in serious injury, death or
property damage.
– Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
– WHAT TO DO IF YOU SMELL GAS
●●
●●
●Do not try to light any appliances.
●●
●●
●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.
– Installation and service must be
performed by a qualified installer, service
agency or the gas supplier.
!!
!!
!!!
!!
!

We have tried to 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. 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. ______________
RESELLER’S NAME __________________________________________________________________________________
SERIAL NUMBER(S) __________________________________________________________________________________
____________________________________________________________________________________________________
____________________________________________________________________________________________________
Replacement parts can be obtained from your reseller or the ADC factory. When ordering replacement parts from the
factory, you can FAX your order to ADC at [phone] or telephone your order directly to the ADC Parts
Department at [phone]. Please specify the dryer model number and serial number in addition to the description
and part number, so that your order is processed accurately and promptly.
These instructions are only valid if the following country code is on the appliance… If this code is not present on the
appliance, it is necessary to refer to the technical instructions which will provide the necessary information concerning
the modification of the appliance to the condition of use for the country.
In accordance with EN ISO 3166-1, the names of countries shall be represented by the following codes:
GB United Kingdom
IE Ireland
“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 in a prominent location near the dryer.
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 safe, efficient, and trouble free operation.
Only qualified technicians should service this equipment.
OBSERVE ALL SAFETY PRECAUTIONS displayed on the equipment or specified in the installation manual included
with the dryer.
The following “FOR YOUR SAFETY CAUTION” must be posted near the dryer in a prominent location.
FOR YOUR SAFETY
Do not store or use gasoline
or other flammable vapors
and liquids in the vicinity of
this or any other appliance.
POUR VOTRE SÉCURITÉ
Ne pas entreposer ni utiliser d’essence
ni d’autres vapeurs ou liquides
inflammables à proximité de cet appareil
ou de tout autre appareil.

WARNING
CHILDREN SHOULD NOT BE ALLOWED TO PLAY ON OR NEAR THE DRYERS.
CHILDREN SHOULD BE SUPERVISED IF NEAR DRYERS IN OPERATION.
IMPORTANT
YOU MUST DISCONNECT AND LOCKOUT THE ELECTRIC SUPPLY AND THE
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
OCCUPATIONAL SAFETYAND HEALTH ADMINISTRATION (OSHA) STANDARDS.
CAUTION
DRYERS SHOULD NEVER BE LEFT UNATTENDED WHILE IN OPERATION.
Caution: Label all wires prior to
disconnection when servicing
controls. Wiring errors can cause
improper operation.
Attention: Au moment de l’entretien des
commandes, étiquetez tous les fils avant de les
débrancher. Des erreurs de câblage peuvent
entraîner un fonctionnement inadéquat.
In the State of Massachusetts, the following installation instructions apply:
■Installations and repairs must be performed by a qualified or licensed contractor, plumber,
or gasfitter qualified or licensed by the State of Massachusetts.
■If using a ball valve, it shall be a T-handle type.
FOR YOUR SAFETY
DO NOT DRY MOP HEADS IN THE DRYER.
DO NOT USE DRYER IN THE PRESENCE OF DRY CLEANING FUMES.

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.
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).
The wiring diagram for the dryer is located in the front electrical control box area.
WARNING
UNDER NO CIRCUMSTANCES should the dryer door switch, the lint drawer
switch, or the heat safety circuit ever be disabled.
DO NOT MODIFY THISAPPLIANCE.
The dryer must never be operated with any of the back guards, outer tops, or
service panels removed. PERSONAL INJURY OR FIRE COULD RESULT.
DRYER MUST NEVER BE OPERATED WITHOUT THE LINT FILTER/SCREEN IN
PLACE, EVEN IF AN EXTERNAL LINT COLLECTION SYSTEM IS USED.
If the hi-limit switch trips, a service call is required to investigate the reason and
resolve the issue.

SECTION I
SAFETY PRECAUTIONS .......................................................................................................................... 2
SECTION II
SPECIFICATIONS/COMPONENT IDENTIFICATION .............................................................................5
A. ML-122 Specifications .................................................................................................................................... 5
B. MLG-122DR Specifications ............................................................................................................................ 7
C. Component Identification ................................................................................................................................9
SECTION III
INSTALLATION PROCEDURES............................................................................................................. 11
A. Location Requirements ................................................................................................................................11
B. Unpacking/Setting Up .................................................................................................................................. 12
C. Dryer Enclosure Requirements .................................................................................................................... 14
D. Fresh Air Supply Requirements.................................................................................................................... 14
E. Exhaust Requirements ................................................................................................................................. 15
F. Electrical Information .................................................................................................................................... 21
G. Gas Information ............................................................................................................................................ 23
H. Steam Information ........................................................................................................................................ 27
I. Water Information ......................................................................................................................................... 30
J. Preparation for Operation/Start-Up................................................................................................................ 33
K. Preoperational Test ...................................................................................................................................... 34
L. Preoperational Instructions .......................................................................................................................... 35
M. Compressed Air Requirements ..................................................................................................................... 37
N. Shutdown Instructions .................................................................................................................................. 38
SECTION IV
SERVICE/PARTS INFORMATION .......................................................................................................... 39
A. Service ......................................................................................................................................................... 39
B. Parts ............................................................................................................................................................ 39
SECTION V
WARRANTY INFORMATION ................................................................................................................... 40
A. Returning Warranty Cards ............................................................................................................................ 40
B. Warranty ...................................................................................................................................................... 40
C. Returning Warranty Parts ............................................................................................................................. 40
SECTION VI
ROUTINE MAINTENANCE ..................................................................................................................... 42
A. Cleaning ....................................................................................................................................................... 42
B. Adjustments ................................................................................................................................................ 43
C. Lubrication ................................................................................................................................................... 43
SECTION VII
MANUAL RESET BURNER HI-LIMIT INSTRUCTIONS .......................................................................44
A. Phase 7 ....................................................................................................................................................... 44
B. Dual Timer ................................................................................................................................................... 44
SECTION VIII
DATA LABEL INFORMATION ................................................................................................................. 45
SECTION IX
PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT COMPONENTS........................... 46
Table of Contents

2 American Dryer Corp. 113363-37
SECTIONI
SAFETYPRECAUTIONS
WARNING: Foryoursafety, theinformationinthismanualmustbefollowedtominimizetheriskof
fireor explosionortopreventproperty damage,personal injury,orloss oflife.
WARNING: The dryer must never be operated with any of the back guards, outer tops, or
servicepanelsremoved.PERSONALINJURYOR 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. DO NOT spray aerosols in the vicinity of this appliance while it is in operation.
3. Purchaser/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.
4. WHAT TO DO IF YOU SMELL GAS:
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 ALLoccupants.
e. Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.
f. If you cannot reach your gas supplier, call the fire department.
5. Installation and service must be performed by a qualified installer, service agency, or gas supplier.
6. Dryer(s) must be exhausted to the outdoors.
7. Although ADC 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 onlywaterwashed fabrics. DONOTdry articles spottedor washed in dry
cleaningsolvents,acombustibledetergent,industrialchemicals,or“allpurpose”cleaner.
EXPLOSIONCOULDRESULT.
WARNING: DONOTdryrags orarticles coated orcontaminated withgasoline,kerosene, oil,paint,
orwax. EXPLOSION COULDRESULT.
WARNING: DONOTdry mopheads. Contamination bywax orflammable solventswill createa
firehazard.

113363-37 www.adclaundry.com 3
WARNING: DONOTuseheat for dryingarticles thatcontain plastic,foam,sponge rubber, or
similarlytexturedrubberlikematerials. Dryinginaheated tumblermaydamageplastics
orrubber and may bea fire hazard.
8. The possible presence of residual quantities of aggressive or decomposed chemicals in the load may produce
damage to the machine and harmful fumes.
9. A program shouldbeestablished 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: Thecollectionof lintin theburnerareaandexhaust ductworkcan createapotential fire
hazard.
10. For personal safety, the dryer, when installed must be electrically grounded in accordance with local codes
or, in the absence of local codes, with the National Electrical Code, ANSI/NFPA 70, or the Canadian
Electrical Code, CSA C22.1.
NOTE: Failuretoelectrically groundthedryerproperlywillVOIDTHEWARRANTY.
11. UNDER NO CIRCUMSTANCES should the dryer door switch, the lint drawer switch, or the heat
safety circuit ever be disabled.
WARNING: PERSONALINJURYOR FIRECOULDRESULTSHOULDTHE DRYER
DOORSWITCH,THE LINTDRAWER SWITCH,ORTHEHEATSAFETY
CIRCUITEVERBE DISABLED.
12. This dryer is not to be used in the presence of dry cleaning solvents or fumes.
13. Remove articles from the dryer as soon as the drying cycle has been completed.
WARNING: Articlesleftin thedryerafter thedryingand coolingcycleshave beencompletedcan
createa firehazard.
14. READ AND FOLLOW ALL CAUTION AND DIRECTION LABELS ATTACHED TO THE DRYER.
15. For safety, proper operation, and optimum performance, the dryer must not be operated with a load less
than sixty-six percent (66%), 79 lb (35.83 kg) of its rated capacity.
WARNING: YOUMUSTDISCONNECTANDLOCKOUTTHEELECTRICSUPPLYAND
THEGAS SUPPLYORTHE STEAMSUPPLYBEFOREANYCOVERS OR
GUARDSAREREMOVEDFROMTHE MACHINETOALLOWACCESS
FORCLEANING,ADJUSTING,INSTALLATION,ORTESTINGOFANY
EQUIPMENTPEROSHA(OccupationalSafety andHealthAdministration)
STANDARDS.
IMPORTANT: Dryermustbeinstalled inalocation/environment, which theambient
temperatureremainsbetween 40° F (4.44° C)and130°F(54.44° C).
WARNING: Disconnectpowerbefore resetting the hi-limit. The hi-limit is located on the left
sideoftheburnerbox,lookingattheburnerfromthe back of the dryer. Press
andreleaseandthe hi-limit will reset.

4 American Dryer Corp. 113363-37
CE ONLY
IMPORTANT: Thisappliancemust onlybeinstalledand operatedinthe countryofdestination
indicatedon the dryer’sdata plate. If theappliance istobe installedand operated ina
countryother thanthe oneindicated onthe dataplate, adata plateamendment must
beobtainedfromAmericanDryerCorporation.
IEC335 applies.
NOTES ____________________________________________________________________________________________________________________
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113363-37 www.adclaundry.com 5
MAXIMUM CAPACITY (DRY WEIGHT) 120 lb 54.43 kg
TUMBLER DIAMETER 44-1/8” 112.09 cm
TUMBLER DEPTH 40-9/16” 103.02 cm
TUMBLER VOLUME 35.90 cu ft 1,016.57 L
TUMBLER / DRIVE MOTOR 1 hp 0.75 kW
BLOWER / FAN MOTOR 3 hp 2.24 kW
DOOR OPENING (DIAMETER) 31-3/8” 79.71 cm
DOOR SILL HEIGHT 26-5/8” 67.64 cm
WATER CONNECTION 3/4”-11.5 NH
(North America)
3/4” B.S.P.T. (Outside North America)
DRYERS PER 20’/40’ CONTAINER 3 / 7
DRYERS PER 48’/53’ TRUCK 9 / 1 0
VOLTAGE AVAILABLE 208-480V 3ø 3,4w 50/60 Hz
APPROXIMATE NET WEIGHT 1,370 lb 621.42 kg
APPROXIMATE SHIPPING WEIGHT 1,430 lb 648.64 kg
AIRFLOW 60 Hz 2,800 cfm 79.29 cmm
50 Hz 2,333 cfm 66.07 cmm
HEAT INPUT 415,000 Btu/hr 104,578 kcal/hr
EXHAUST CONNECTION (DIAMETER) 16” 40.64 cm
COMPRESSED AIR CONNECTION 1/4” Quick Connection
COMPRESSED AIR VOLUME 2.50 cfh 0.07 cmh
INLET PIPE CONNECTION 1-1/4” F.N.P.T.
1” F.B.S.P.T.
(CE and Australia Only)
VOLTAGE AVAILABLE 208-600V 3ø 3,4w 50/60 Hz
APPROXIMATE NET WEIGHT 1,370 lb 621.42 kg
APPROXIMATE SHIPPING WEIGHT 1,430 lb 648.64 kg
AIRFLOW 60 Hz 2,800 cfm 79.29 cmm
50 Hz 2,333 cfm 66.07 cmm
EXHAUST CONNECTION (DIAMETER) 16” 40.64 cm
COMPRESSED AIR CONNECTION 1/4” Quick Connection
COMPRESSED AIR VOLUME 2.50 cfh 0.07 cmh
OVEN SIZE
kW Btu/hr kcal/hr
72 245,729 61,923
VOLTAGE AVAILABLE 208-480V 3ø 3,4w 50/60 Hz
APPROXIMATE NET WEIGHT 1,450 lb 657.71 kg
APPROXIMATE SHIPPING WEIGHT 1,500 lb 680.39 kg
AIRFLOW 60 Hz 2,800 cfm 79.29 cmm
50 Hz 2,333 cfm 66.07 cmm
STEAM CONSUMPTION 450 lb/hr 204.12 kg/hr
OPERATING STEAM PRESSURE 125 psi max 8.62 bar
EXHAUST CONNECTION (DIAMETER) 16” 40.64 cm
COMPRESSED AIR CONNECTION 1/4” Quick Connection
COMPRESSED AIR VOLUME 3.25 cfh 0.09 cmh
BOILER HORSEPOWER (NORMAL LOAD) 13 Bhp
SUPPLY CONNECTION (1) 1-1/4” N.P.T.
(Female)
RETURN CONNECTION (1 ) 1-1 /4 ” N.P.T. (Female)
SECTIONII
SPECIFICATIONS/COMPONENTIDENTIFICATION
A. ML-122 SPECIFICATIONS
STEAM ELECTRIC GAS
IMPORTANT: Dryer requires a clean, dry and regulated 80 PSI +/- 10 PSI (5.51 bar +/- 0.68 bar)
airsupply.
NOTE: ADCreservestheright tomakechanges inspecificationsat anytimewithoutnoticeor
obligation.
Shaded areas are stated in metric equivalents 5/29/18

6 American Dryer Corp. 113363-37
ML-122 SPECIFICATIONS
NOTE: ADCreservestheright tomakechanges inspecificationsat anytimewithoutnoticeor
obligation.

113363-37 www.adclaundry.com 7
MAXIMUM CAPACITY (DRY WEIGHT) 120 lb 54.43 kg
TUMBLER DIAMETER 44-1/8” 112.09 cm
TUMBLER DEPTH 40-9/16” 103.02 cm
TUMBLER VOLUME 35.90 cu ft 1,016.57 L
TUMBLER/DRIVE MOTOR 1 hp 0.75 kW
BLOWER/FAN MOTOR 3 hp 2.24 kW
DOOR OPENING (DIAMETER) 31-3/8 ” 79.71 cm
DOOR SILL HEIGHT 26-5/8” 67.64 cm
WATER CONNECTION 3/4”-11.5 NH
(North America)
3/4” B.S.P.T. (Outside North Ameri ca)
DRYERS PER 20’/40’ CONTAINER 3 / 7
DRYERS PER 48’/53’ TRUCK 9 / 1 0
VOLTAGE AVAILABLE 208-480v 3ø 3,4w 50/60 Hz
APPROXIMATE NET WEIGHT 1,370 lb 621.42 kg
APPROXIMATE SHIPPING WEIGHT 1,430 lb 648.64 kg
AIRFLOW 60 Hz 2,240 cfm 63.43 cmm
50 Hz 1,866 cfm 52.84 cmm
HEAT INPUT 300,000 Btu/hr 75,650 kcal/hr
EXHAUST CONNECTION (DIAMETER) 12” 30.48 cm
COMPRESSED AIR CONNECTION 1/4” Quick Connection
COMPRESSED AIR VOLUME 2.50 cfh 0.07 cmh
INLET PIPE CONNECTION 1-1/4” F.N.P.T.
1” F.B.S.P.T.
(CE and Australia Only)
VOLTAGE AVAILABLE
N / A
APPROXIMATE NET WEIGHT
APPROXIMATE SHIPPING WEIGHT
AIRFLOW 60 Hz
50 Hz
EXHAUST CONNECTION (DIAMETER)
COMPRESSED AIR CONNECTION
COMPRESSED AIR VOLUME
OVEN SIZE
kW Btu/hr kcal/hr
VOLTAGE AVAILABLE
N / A
APPROXIMATE NET WEIGHT
APPROXIMATE SHIPPING WEIGHT
AIRFLOW 60 Hz
50 Hz
STEAM CONSUMPTION
OPERATING STEAM PRESSURE
EXHAUST CONNECTION (DIAMETER)
COMPRESSED AIR CONNECTION
COMPRESSED AIR VOLUME
BOILER HORSEPOWER (NORMAL LOAD)
SUPPLY CONNECTIONS
RETURN CONNECTIONS
B. MLG-122DR SPECIFICATIONS
STEAM ELECTRIC GAS
NOTE: ADCreservestheright tomakechanges inspecificationsat anytimewithoutnoticeor
obligation.
Shaded areas are stated in metric equivalents 8/1/13

8 American Dryer Corp. 113363-37
MLG-122DR SPECIFICATIONS
NOTE: ADCreservestheright tomakechanges inspecificationsat anytimewithoutnoticeor
obligation.

113363-37 www.adclaundry.com 9
C. COMPONENT IDENTIFICATION
1. Dryer Front View
Illus. No. Description
1 Microprocessor Control/Keypad PanelAssembly (controls)
2 Control (top access) Door Assembly
3 Main DoorAssembly
4 Lint PanelAssembly
5 Lint Door
6 Wire Diagram (located behind control door)
7 Top Console (module)Assembly

10 American Dryer Corp. 113363-37
2. Dryer Rear View
Illus. No. Description
1 Electrical Service Connections
2 Top Console
3 Heating Unit
4 Relay/WiringBox
5 Data Label and Installation Label
6 AirConnection
7 Exhaust Transition Piece

113363-37 www.adclaundry.com 11
SECTIONIII
INSTALLATIONPROCEDURES
Installation should be performed by competent professional in accordance with local, state, and country codes.
A. LOCATION REQUIREMENTS
Before installing the dryer, be sure the location conforms to local, state, and country codes. In the absence of
such codes or ordinances the installation must conform with local codes or, in the absence of local codes, with
the National Fuel Gas Code, ANSI Z223.1/NFPA 54, or the Natural Gas and Propane Installation Code, CSA
B149.1 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: “Thedryermustbeinstalledonnoncombustiblefloors only.”
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. 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 mustbe made from combustible 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. 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).
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: Dryershouldbelocated wherea minimumamount ofexhaust ductwillbenecessary.
9. The dryer must be installed with adequate clearance for air openings into the combustion chamber.
CAUTION: Thisdryer producescombustiblelint andmust beexhausted totheoutdoors. Every 6
months,inspecttheexhaustductingand removeanylintbuildup.
IMPORTANT: Dryermustbeinstalled inalocation/environment, which theambient
temperatureremainsbetween 40° F (4.44° C)and130°F(54.44° C).

12 American Dryer Corp. 113363-37
B. UNPACKING/SETTING UP
Remove protective shipping material (i.e., plastic wrap and/or optional shipping box) from dryer.
IMPORTANT: Dryermustbetransportedand handledinanuprightposition atALL times.
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) lag bolts securing the base of the dryer to the wooden skid. Two (2) are
at the rear base, and two (2) are located in the bottom of the lint chamber. To remove the two (2) lag bolts
located in the lint chamber area, remove the front panel.
Leveling Dryer
1. To level the dryer, place 4-inch (10.16 cm) square metal shims or other suitable material under the base
pads. It is suggested that the dryer be tilted slightly to the rear (refer to the illustration above).
2. If more headroom is needed when moving the dryer into position, the top console (module) may be removed.

113363-37 www.adclaundry.com 13
To Remove Top Console (module):
a. Disconnect the ground wire (A in the illustration below) located at the rear upper left corner of the
dryer.
b. Remove the six (6) sets of nuts and washers (B in the illustration below) holding the console (module)
to the base.
c. Disconnect the white plug connector (C in the illustration below) located on the top of the rear
electric service/relay box (provides power to the heat circuit).
d. Disconnect air connection from the 3-way micro valve.
e. Lift the console (module) off of the dryer base.
IMPORTANT: Thedryer mustbetransportedand handledinanuprightposition at ALLtimes.

14 American Dryer Corp. 113363-37
C. DRYER ENCLOSURE REQUIREMENTS
Bulkheads and partitions should be made of noncombustible material.
NOTE: Allowancesmust be madeforopening thecontrol door.
A 38-inches (76.2 cm) for optimum opening of load door.
B Themaximum thicknessof thebulkhead forgas dryersis 4-inches(10.16 cm). Forelectric andsteam dryersthe maximum
thickness of the bulkhead is 1-inch (2.54 cm) within 3-inches (7.62 cm) from the top of the control door.
C 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.
D Dryer should be positioned 12-inches (30.48 cm) away from the nearest obstruction and 24-inches (60.96 cm) is
recommended for ease of installation, maintenance, and service.
E 2-inch (5.08 cm) minimum is required for opening the control door.
F Flooring should be level or below dryer cabinet for ease of removing panels during maintenance.
G 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 SUPPLYREQUIREMENTS
This appliance may only be installed in a room that meets the appropriate ventilation requirements specified in the
nationalinstallationregulations.
When the dryer is operating, it draws in room air, heats it, passes this air through the tumbler, and exhausts it out
of the building. Therefore, the room air must be continually replenished from the outdoors. If the make-up air
is inadequate, drying time and drying efficiency will be adversely affected. Ignition problems and sail switch
“fluttering” problems may result, as well as premature motor failure from overheating. The dryer must be
installed with provisions for adequate combustion and make-up air supply.
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. An airflow of 2,800 cfm (79.28 cmm) must be supplied to
each dryer. As a general rule, an unrestricted air entrance from the outdoors (atmosphere) of a minimum of 3
square feet (0.279 square meters) is required for each dryer.
To compensate for the use of registers or louvers used over the openings, this make-up air must be increased by
approximately thirty-three percent (33%). Make-up air openings should not be located in an area directly near
where exhaust vents exit the building.

113363-37 www.adclaundry.com 15
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.
EXAMPLE: For a bank of six (6) dryers, two (2) unrestricted openings measuring 3 feet by 3 feet (0.91 meters
by 0.91 meters) are acceptable.
Allowances must be made for remote or constricting passageways or where dryers are located at excessive
altitudes or predominantly low pressure areas.
IMPORTANT: Make-upair mustbeprovidedfrom asourcefree ofdry cleaningsolvent fumes.
Make-upairthatiscontaminated bydrycleaningsolventfumeswillresultin
irreparabledamage tothe motorsand other dryercomponents.
NOTE: Componentfailuredueto drycleaningsolventfumeswillVOIDTHEWARRANTY.
E. EXHAUST REQUIREMENTS
1. General Exhaust Ductwork Information
Exhaust ductwork shouldbe designed and installed by a qualified professional. Improperly sized ductwork
will create excessive back pressure, which results in slow drying, increased use of energy, overheating of
the dryer, and shutdown of the burner by the airflow (sail) switches, burner hi-limits, or tumbler hi-heat
thermostats. The dryer must be installed with a proper exhaust duct connection to the outside.
The design of the flue system shall be such that any condensate formed when operating the appliance from
cold shall either be retained and subsequently re-evaporated or discharged.
CAUTION: Thisdryer producescombustible lintandmustbeexhausted tothe outdoors.
CAUTION: IMPROPERLYSIZED ORINSTALLEDEXHAUSTDUCTWORK CAN
CREATEAPOTENTIALFIREHAZARD.
The 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. Single or independent dryer venting is recommended.

16 American Dryer Corp. 113363-37
When single dryer venting is used, the ductwork from the dryer to the outside exhaust outlet should not
exceed 20 feet (6.09 meters). In the case of multiple (common) dryer venting, the distance from the last
dryer to the outside exhaust outlet should not exceed 20 feet (6.09 meters). The shape of the ductwork
is not critical as long as the minimum cross-sectional area is provided. It is suggested that the use of 90°
turns be avoided; use 30° and/or 45° bends/angles instead. The radius of the elbows should preferably
be 1-1/2 times the diameter of the duct. Excluding tumbler/dryer elbow connections or elbows used for
outside protection from the weather, no more than two (2) elbows should be used in the exhaust duct run.
If more than two (2) elbows are used, the cross-sectional area of the ductwork must be increased in
proportion to the number of elbows used.
ALLductwork should besmooth inside with no projections from sheet metal screws or other obstructions,
which will collect lint. When adding ducts, the duct to be added should overlap the duct to which it is to be
connected. ALL ductwork joints must be taped to prevent moisture and lint from escaping into the
building. Inspection doors should be installed at strategic points in the exhaust ductwork for periodic
inspection and cleaning of lint from the ductwork.
NOTE: Whentheexhaust ductworkpasses throughawall, ceiling,orroofmadeof combustible
materials,the openingmust be2-inches (5.08cm) largerthan theduct (allthe wayaround).
Theductmustbecenteredwithinthis opening.
IMPORTANT: Exhaustbackpressure measuredbya manometer/magnehelicintheexhaustduct
must be no less than 0 and must not exceed 0.3 in WC (0.74 mb).
NOTE: Itis recommendedthat exhaust orbooster fans notbe usedinthe exhaustductwork system
exceptwhere necessaryto maintainexhaust backpressure (intheexhaustduct)betweenzero
and0.3 inchwater column. Whereemployed,boosterfansmustnotactivate thedryer airflow
provingswitch(sailswitch)when thedryer isnotinoperation.
NOTE: As perthe NationalFuelGas Code,“Exhaust ducts fortype 2clothesdryers shallbe
constructedofsheet metalorother noncombustiblematerial. Suchducts shallbeequivalent in
strengthand corrosionresistance toducts madeofgalvanizedsheetsteel notless than26
gauge(0.0195-inches[0.50mm])thick.”
Outside Ductwork Protection
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
eithercase, allow atleast twice the diameterof the duct betweenthe duct opening andthe nearest obstruction.