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.