American Dryer Corp. ML-75HS User manual

ADC Part No. 113001
For replacement parts, contact the distributor from which the dryer
was purchased or
American Dryer Corporation
88 Currant Road
Fall River MA 02720-4781
Telephone: [phone] / Fax: [phone]
E-mail: [e-mail]
051697SL/tf
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.
Do not store or use gasoline or other flammable
vapor and liquids in the vicinity of this or any
other appliance.
WHAT DO YOU DO IF YOU SMELL GAS
* Do not try to light any appliance.
* Do not touch any electrical switch; do not use
any phone in your building.
* Clear the room, building or area of all
occupants.
* Immediately call your gas supplier from a
neighbor's phone. Follow the gas supplier's
instructions.
* If you cannot reach your gas supplier, call the
fire department.
Installation and service must be performed by a
qualified installer, service agency or the gas
supplier.
AVERTISSEMENT: Assurez-vous de bien
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 dans
le voisinage de cet appareil ou de tout autre
appareil.
QUE FAIRE SI VOUS SENTEZ UNE ODEUR
DE GAZ:
* Ne pas tenter d’allumer d’appareil.
* Ne touchez à aucun interrupteur. Ne pas
vous servir 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.
ML-75HS
Installation Manual
(Gas/Electric/Steam)

Retain This Manual In A Safe Place For Future Reference
Replacement parts can be obtained from your distributor or the ADC factory. When ordering replacement parts from the
factory, you can FAX your order to ADC at [phone] or telephone your orders 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.
The illustrations on the following pages may not depict your particular dryer exactly. The illustrations are a composite of the
various dryer models. Be sure to check the descriptions of the parts thoroughly before ordering.
DATE OF PURCHASE MODEL NO.
DISTRIBUTORS NAME
Serial Number(s)
“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.
American Dryer Corporation products embody 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/operator's 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 or 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 dans le voisinage de cet
appareil ou de yout autre appareil.
We have tried to make this manual as complete as possible and hope you will find it useful. ADC 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.
Important
For your convenience, log the following information:

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, ADJUST-
ING, INSTALLATION, or TESTING OFANY EQUIPMENT per OSHA (Occupational
Safety and HealthAdministration) STANDARDS.
CHILDREN SHOULD NOT BEALLOWED TO PLAY ON OR NEAR THE DRYER(S).
WARNING
CHILDREN SHOULD BE SUPERVISED IF NEAR DRYER(S) IN OPERATION.
DRYER(S) SHOULD NEVER BE LEFT UNATTENDED WHILE IN OPERATION.
CAUTION
FOR YOUR SAFETY
DO NOT DRYMOPHEADS IN THE DRYER.
DO NOT USE DRYER IN THE PRESENCE OF DRYCLEANING FUMES.
WARNING
UNDER NO CIRCUMSTANCES should the door switch or the heat circuit devices
ever be disabled.
“Caution: Label all wires prior to
disconnection when servicing controls. Wiring
errors can cause improper operation.”
«Attention: Lor des opérations d’entretien
des commandes étiqueter tous fils avant
de les déconnecter. Toute erreur de
câblage peut étre une source de danger et
de panne.»

WARNING
The dryer must never be operated with any of the back guards, outer tops, or service
panels removed. PERSONAL INJURY or FIRE COULD RESULT.
IMPORTANT
PLEASE OBSERVE ALL SAFETY PRECAUTIONS displayed on the equipment and/or
specified in the installation/operator's manual included with the dryer.
Dryer(s) must not be installed or stored in an area where it will be exposed to water and/or
weather.
The wiring diagram for the dryer is located in the front electrical control box area.
DRYER MUST NEVER BE OPERATED WITHOUT THE LINT FILTER/SCREEN IN
PLACE...EVEN IF AN EXTERNAL LINT COLLECTION SYSTEM IS USED.
WARNING

Table of Contents
SECTION I
IMPORTANT INFORMATION ............................................................................... 3
A. Receiving and Handling ............................................................................................................... 3
B. Safety Precautions ....................................................................................................................... 3
SECTION II
SPECIFICATIONS .................................................................................................... 6
A. Specifications .............................................................................................................................. 6
B. Component Identification ............................................................................................................. 8
SECTION III
INSTALLATION PROCEDURES ......................................................................... 10
A. Location Requirements .............................................................................................................. 10
B. Unpacking/Setting Up ............................................................................................................... 11
C. Dryer Enclosure Requirements .................................................................................................. 12
D. Fresh Air Supply ....................................................................................................................... 13
E. Exhaust Requirements ............................................................................................................... 14
F. Electrical Information ................................................................................................................ 19
G. Gas Information ........................................................................................................................ 27
H. Steam Information ..................................................................................................................... 30
I. Preparation For Operation/Start-up .......................................................................................... 36
J. Preoperational Tests .................................................................................................................. 37
K. Preoperational Instructions ........................................................................................................ 39
L. Shut Down Instructions .............................................................................................................. 40
SECTION IV
SERVICE/PARTS INFORMATION ...................................................................... 41
A. Service ..................................................................................................................................... 41
B. Parts ......................................................................................................................................... 41
SECTION V
WARRANTY INFORMATION .............................................................................. 42
A. Returning Warranty Card(s) ...................................................................................................... 42
B. Parts ......................................................................................................................................... 42
C. Returning Warranty Card(s) ...................................................................................................... 42

SECTION VI
ROUTINE MAINTENANCE .................................................................................. 44
A. Cleaning ................................................................................................................................... 44
B. Adjustments .............................................................................................................................. 45
SECTION VII
PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT
COMPONENTS ....................................................................................................... 46
SECTION VIII
REVERSING TIMER SPIN/DWELL ADJUSTMENTS ....................................49
SECTION IX
TECHNICAL INFORMATION ..............................................................................50
Data Label ..................................................................................................................................... 50

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SECTION I
IMPORTANT INFORMATION
A. RECEIVING and HANDLING
The dryer is shipped in a protective stretch wrap cover with protective cardboard corners and top cover (or
optional box) as a means of preventing damage in transit. Upon delivery, the dryer and/or packaging, and wooden
skid should be visually inspected for shipping damage. f any damage whatsoever is noticed, inspect further
before delivering carrier leaves.
Dryers damaged in shipment.
1. ALL dryers should be inspected upon receipt and before they are signed for.
2. f there is suspected damage or actual damage, the trucker's receipt should be so noted.
3. f the dryer is damaged beyond repair, it should be refused. Those dryers which were not damaged in a
damaged shipment should be accepted, but the number received and the number refused must be noted
on the receipt.
4. f you determine that the dryer was damaged after the trucker has left your location, you should call the
delivering carrier's freight terminal immediately and file a claim. The freight company considers this
concealed damage. This type of freight claim is very difficult to get paid and becomes extremely difficult
when more than a day or two passes after the freight was delivered. t is your responsibility to file freight
claims. Dryer/parts damaged in transit cannot be claimed under warranty.
5. Freight claims are the responsibility of the consignee, and ALL claims must be filed at the receiving end.
ADC assumes no responsibility for freight claims or damages.
6. f you need assistance in handling the situation, please contact the ADC Traffic Manager at
[phone].
IMPORTANT: The tumbler section of the dryer must be transported and handled in an upright
position at all times.

4
B. 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 bac guards, outer tops, or
service panels removed. PERSONAL INJURY 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/user should consult the local gas supplier for proper instructions to be followed in the event the
user smells gas. The instructions should be posted in a prominent location.
3. WHAT TO DO F 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 ALL occupants.
e. mmediately call your gas supplier from a neighbor's phone. Follow the gas supplier's instructions.
f. f you cannot reach your gas supplier, call the fire department.
4. nstallation and service must be performed by a qualified installer, service agency, or gas supplier.
5. Dryer(s) must be exhausted to the outdoors.
6. Although ADC produces a very versatile machine, there are some articles that, due to fabric composition
or cleaning method, should not be dried in it.
WARNING: ry 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, wax. EXPLOSION COULD RESULT.
WARNING: DO NOT dry mop heads. Contamination by wax or flammable solvents will create
a fire hazard.
WARNING:DO NOT use heat for drying articles that contain plastic, foam, sponge rubber, or
similarly textured rubber materials. rying in a heated basket (tumbler) may
damage plastics or rubber and also may be a fire hazard.

5
7. A program should be established for the inspection and cleaning of lint in the heating unit area, exhaust
duct work, and inside 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 duct work 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 Electric Code ANS /NFPA NO. 70-LATEST ED T ON.
NOTE: Failure to do so will VOI THE WARRANTY.
9. UNDER NO CIRCUMSTANCES should the dryer door switches, lint door switch, heat safety circuit
ever be disabled.
WARNING: PERSONAL INJURY or FIRE COULD RESULT.
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. DO NOT operate steam dryers with more than 125 PS steam pressure. Excessive steam pressure can
damage steam coil and/or harm personnel.
13. Replace leaking flexible hoses or other steam fixtures immediately. DO NOT operate the dryer with
leaking flexible hoses. PERSONAL INJURY MAY RESULT.
14. The normal PH level for copper type steam coils must be maintained between a value of 8.5 to 9.5.
For steel type steam coils the PH level must be maintained between a value of 9.5 to 10.5. These
limits are set to limit the acid attack of the steam coils.
IMPORTANT: Coil failure due to improper PH level will VOID THE WARRANTY.
15. READ and FOLLO ALL CAUTION and DIRECTION LABELS ATTACHED TO THE DRYER.
WARNING: YOU MUST DISCONNECT and LOCKOUT THE ELECTRIC SUPPLY and
THE GAS SUPPLY BEFORE ANY COVERS or GUARDS ARE REMOVED
FROM THE MACHINE TO ALLOW ACCESS FOR CLEANING,
ADJUSTING, INSTALLATION, or TESTING OF ANY EQUIPMENT per
OSHA (Occupational Safety and Health Administration) STANDARDS.

6
BASKET DIAMETER 37" 94 cm
BASKET DEPTH 36" 91.5 cm
BASKET MOTOR 1 HP* .746 kw
DOOR OPENING (Diameter) 31-3/8" 79.7 cm
BASKET VOLUME 22.4 cu. ft. .634 cu.m.
DRYERS PER 20’/40’ CONTAINER 10/20
DRYERS PER 45’/48" TRUCK 24/24
VOLTAGE AVAILABLE 120-460v / 1Ø-3Ø/ 50/60 Hz
APPROX. WEIGHT (Uncrated) 721 lbs. 327 kg
APPROX. WEIGHT (Crated) 771 lbs. 349.7 kg
HEAT INPUT 200,000 btu/hr 50,400 kcal/hr
AIRFLOW 1,200 cfm 33.98 cmm
INLET PIPE SIZE 3/4** 1.91 cm
VOLTAGE AVAILABLE 208-460v / 1Ø-3Ø/ 50/60 Hz
APPROX. WEIGHT (Uncrated) 721 lbs. 327 kg
APPROX. WEIGHT (Crated) 771 lbs. 349.7 kg
AIRFLOW 1,200 cfm 33.98 cmm
VOLTAGE AVAILABLE 120-460v / 1Ø-3Ø/ 50/60 Hz
APPROX. WEIGHT (Uncrated) 757 lbs. 343.4 kg
APPROX. WEIGHT (Crated) 807 lbs. 366.1 kg
AIRFLOW 1,350 cfm 38.23 cmm
COMPRESSED AIR VOLUME .75 cfh .02 cmh
AIR CONNECTION 1/8" F.P.T. .318 cm
STEAM CONSUMPTION BOILER HP NORMAL
LOAD
238.7 lbs./hr 108.3 kg/hr 7
OPERATING STEAM PRESSURE STEAM SUPPLY STEAM SUPPLY
125 psi max 8.6 kg/sq cm 1" 2.54 cm 1" 2.54 cm
SECTION II
SPECIFICATIONS/COMPONENT IDENTIFICATION
A. SPECIFICATIONS
* For non-reversing models.
** A minimum of 3/4" pipe must be supplied to the gas inlet for each dryer.
Shaded areas are stated in metric equivalents.
IMPORTANT: Steam dryers must be provided with clean, dry, regulated 80 PSI (+/- 10 psi)
air supply.
NOTE: ADC RESERVES THE RIGHT TO MAKE CHANGES IN SPECIFICATIONS AT
ANY TIME, WITHOUT NOTICE or OBLIGATION.
Gas
Electric
Steam