American Dryer Corp. ML-78 Phase 7 (DSI) User manual

ADC Part No. 113029
For replacement parts, contact the distributor from which the dryer
was purchased or
American Dryer Corporation
88 urrant Road
Fall River MA 02720-4781
Telephone: [phone] / Fax: [phone]
E-mail: [e-mail]
010998JEV/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 dama e,
personal injury or death.
Do not store or use asoline 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 li ht any appliance.
* Do not touch any electrical switch; do not use
any phone in your buildin .
* Clear the room, buildin or area of all
occupants.
* Immediately call your as supplier from a
nei hbor's phone. Follow the as supplier's
instructions.
* If you cannot reach your as supplier, call the
fire department.
Installation and service must be performed by a
qualified installer, service a ency or the as
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
domma e matériel, toute blessure ou la mort.
Ne pas entreposer ni utiliser dessence ni
dautres vapeurs ou liquides inflammables dans
le voisina e 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
az depuis un voisin. Suivez les instructions
du fournisseur.
* Si vous ne pouvez rejoindre le fournisseur
de az, 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 az.
ML-78
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 (508 678-9447 or telephone your orders directly to the ADC Parts Department at
(508 678-9000. 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.
DATE OF PURCHASE MODEL NO.
DISTRIBUTORS NAME
Serial Number(s)
ML-78
IMPORTANT NOTE TO PURCHASER
Information must be obtained from your local as supplier on the instructions
to be followed if the user smells as. 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 PRECA TIONS displayed on the equipment or specified in the installation/operator's manual
included with the dryer.
The following FOR YO R SAFETY caution must be posted near the dryer in a prominent location.
FOR YOUR SAFETY
Do not store or use asoline 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 voisina e 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 OF ANY E UIPMENT per OSHA (Occupational
Safety and Health Administration) STANDARDS.
CHILDREN SHOULD NOT BE ALLOWED TO PLAY ON OR NEAR THE DRYER(S).
WARNING
CHILDREN SHOULD BE SUPERVISED IF NEAR DRYERS IN OPERATION.
DRYERS SHOULD NE ER BE LEFT UNATTENDED WHILE IN OPERATION.
CAUTION
FOR YOUR SAFETY
DO NOT DRY MOP HEADS IN THE DRYER.
DO NOT USE DRYER IN THE PRESENCE OF DRY CLEANING 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 and operator's manual included with the dryer.
Dryers 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.
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. Receivin and Handlin ............................................................................................................... 3
B. Safety Precautions ....................................................................................................................... 4
SECTION II
SPECIFICATIONS and DIMENSIONS ................................................................. 6
A. Specifications .............................................................................................................................. 6
B. Component Identification ............................................................................................................. 8
SECTION III
INSTALLATION REQUIREMENTS .................................................................... 10
A. Location Requirements .............................................................................................................. 10
B. Unpackin /Settin Up ............................................................................................................... 11
C. Dryer Enclosure requirements .................................................................................................... 12
D. Fresh Air Supply ....................................................................................................................... 13
E. Exhaust Requirements ............................................................................................................... 15
F. Electrical Information ................................................................................................................ 19
G. Gas Information ........................................................................................................................ 26
H. Steam Information ..................................................................................................................... 30
I. Preparation For Operation/Start-up .......................................................................................... 35
J. Preoperational Tests .................................................................................................................. 36
K. Preoperational Instructions ........................................................................................................ 38
L. Shut Down Instructions .............................................................................................................. 39
SECTION IV
SERVICE/PARTS INFORMATION ...................................................................... 40
A. Service ..................................................................................................................................... 40
B. Parts ......................................................................................................................................... 40

SECTION V
WARRANTY INFORMATION .............................................................................. 41
A. Returnin Warranty Card(s) ...................................................................................................... 41
B. Parts ......................................................................................................................................... 41
C. Returnin Warranty Card(s) ...................................................................................................... 41
SECTION VI
ROUTINE MAINTENANCE .................................................................................. 43
A. Cleanin ................................................................................................................................... 43
B. Adjustments .............................................................................................................................. 44
SECTION VII
REVERSING TIMER SPIN/DWELL AD USTMENTS ....................................45
SECTION VIII
DATA LABEL LOCATION/INFORMATION ......................................................46
SECTION IX
PROCEDURE FOR FUNCTIONAL CHECK OF REPLACEMENT
COMPONENTS ........................................................................................................48

3
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. If there is suspected damage or actual damage, the trucker's receipt should be so noted.
3. If 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. If you determine that the dryer was damaged after the trucker has left your location, you should call the
deliveringcarrier's freightterminal immediatelyand filea claim. Thefreight companyconsiders thisconcealed
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. It 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. If you need assistance in handling the situation, please contact the ADC Traffic Manager at (508)
678-9000.
IMPORTANT: 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 back 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 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 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. 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: Dry only water-washed fabrics. DO NOT dry articles spotted or washed in dry
cleaning solvents, a combustible detergent, or "all purpose" cleaner. EXPLOSION
COULDRESULT.
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 solvent will create
a fire hazard.
WARNING:DO NOT use heat for drying articles that contain plastic, foam, sponge rubber, or
similarly textured rubberlike materials. Drying 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 burner area, exhaust
duct work, 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 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 NAT ONAL ELECTR C CODE ANS /NFPA NO. 70-LATEST ED T ON.
NOTE: Failure to do so will VOID THE WARRANTY.
9. UNDER NO CIRCUMSTANCES should the dryer door switches, lint drawer switch, or 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 dryin and coolin cycles have been complete can
create a fire hazard.
12. READ and FOLLOW ALL CAUTION and DIRECTION LABELS ATTACHED TO THE DRYER.
WARNING: YOU MUST DISCONNECT nd LOCKOUT THE ELECTRIC SUPPLY nd
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 OSHA (Occupational Safety and Health Administration)
STANDARDS.

6
IMPORTANT: Steam dryers must be provided with a clean, dry, re ulated 80 PSI (+/- 10 PSI)
air supply.
NOTE:ADC reserves the ri ht to make chan es in specifications at any time, without notice or
obli ation.
Gas
Steam Electric
SECTION II
SPECIFICATIONS/COMPONENT IDENTIFICATION
A. SPECIFICATIONS
B ASKET (T UMBLER ) D IAMETER 44-1/2"
113 cm
B ASKET (T UMBLER ) D EPTH 24-7/8"
63.2 cm
B ASKET (T UMBLER ) M OTOR 1 HP *.746 kw
D OOR O PENING (D IAMETER ) 31-3/8" 79.7 cm
B ASKET (T UMBLER ) V OLUME 22.4 cu. ft.
.634 cu.m.
D RYERS P ER 20’/4 0’’ C ONTAINER 10/20
D
RYERS P ER 45’/48’T RUCK 24/24
V
OLTAGE A VAILABLE 120 / 208 / 240 / 480v / 1, 3ø/ 50/60Hz
A
PPROX . W EIGHT ( UNCRATED )895lbs. 407 kg
A PPROX . W EIGHT ( CRATED )950lbs. 432 kg
H EAT I NPUT 204,000 btu/hr
51,408 kcal/hr
A IRFLOW 1,200 cfm
33.98 cmm
Inlet Pipe Size 3/4" ** 1.91 cm
V OLTAGE A VAILABLE 120 / 208 / 240 / 480v / 1, 3ø/ 50/60Hz
A
PPROX . W EIGHT ( UNCRATED )895lbs.
407 kg
A PPROX . W EIGHT ( CRATED )950lbs.
432 kg
A IRFLOW 1,200 cfm
33.98 cmm
V OLTAGE A VAILABLE 120 / 208 / 240 / 480v / 1, 3ø/ 50/60Hz
A
PPROX . W EIGHT ( UNCRATED )980lbs 445 kg
A PPROX . W EIGHT ( CRATED )1,130lbs. 514 kg
A IRFLOW 1,200 cfm
33.98 cmm
C OMPRESSED A IR V OLUME .75 cfh
.02 cmh
C OMPRESSED A IR C ONNECTION 1/8" F.P.T. .318 cm
S TEAM C OMSUMPTION
B OILER HP
N
ORMAL L OAD
238.7 lbs/hr
108.3 kg/hr
7
O
PERATING S TEAM P RESSURE S TEAM S UPPLY S TEAM R ETURN
125 psi max
8.6 bar
1"
2.54 cm
1"
2.54 cm
Shaded areas are stated in metric equivalents.
*
For non-reversing models.
**
A minimum of 3/4" pipe must be supplied to the gas inlet for each dryer.