American Dryer Corp. Gas/Electric/Steam AD-75HS User manual

AD-75HS
Installation Manual
081398GS/abe ADC Part No. 113039
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]
(Gas/Electric/Steam)
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.

Retain This Manual In A Safe Place For Future Reference
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 properly licensed 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.
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. PERSONAL INJURY or FIRE COULD RESULT.
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:
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)
AD-75
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.

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 OSHA (Occupational Safety and Health
Administration) STANDARDS.
CAUTION
LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING
CONTROLS. WIRING ERRORS CAN CAUSE IMPROPER AND DANGER-
OUS OPERATION.
DRYER(S) SHOULD NEVER BE LEFT UNATTENDED WHILE IN
OPERATION.
CAUTION
VERIFY PROPER OPERATION AFTER SERVICING.
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.

DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE
VAPOR AND LIQUIDS IN THE VICINITY OF THIS OR ANY OTHER
APPLIANCE.
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/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.

Table of Contents
SECTION I
IMPORTANT INFORMATION ............................................................................... 3
A. Receiving and Handling............................................................................................................ 3
B. Safety Precautions ..................................................................................................................... 4
SECTION II
SPECIFICATIONS .................................................................................................... 6
A. Specifications ............................................................................................................................ 6
B. Component Identification .......................................................................................................... 8
SECTION III
INSTALLATION REQUIREMENTS ................................................................... 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 .............................................................................................................. 18
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. Returning Warranty Card(s) .................................................................................................... 41
B. Parts ......................................................................................................................................... 41
C. Returning Warranty Card(s) .................................................................................................... 41

SECTION VI
ROUTINE MAINTENANCE ................................................................................. 43
A. Cleaning .................................................................................................................................. 43
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..................................................................................................................................... 51
SECTION X
TROUBLESHOOTING............................................................................................52
Microprocessor (Computer) Models.............................................................................................. 54
Dual Timer Models ....................................................................................................................... 64

3
SECTION I
IMPORTANT INFORMATION
A. RECEIVING and HANDLING
Thedryerisshipped inaprotective stretchwrapcover withprotective cardboard cornersand topcover(or
optionalbox)asa means ofpreventing damage intransit. Upondelivery, thedryerand/or packaging,and
woodenskidshouldbevisuallyinspectedforshippingdamage. Ifanydamagewhatsoeverisnoticed,inspect
furtherbeforedeliveringcarrierleaves.
Dryersdamagedinshipment.
1. ALLdryersshouldbeinspecteduponreceiptandbeforetheyaresignedfor.
2. Ifthereissuspecteddamageoractualdamage,thetrucker'sreceiptshouldbesonoted.
3. Ifthedryerisdamagedbeyondrepair,it shouldberefused. Thosedryerswhichwerenot damaged ina
damagedshipmentshouldbeaccepted,butthenumberreceivedandthenumberrefusedmustbenoted
onthereceipt.
4. Ifyoudeterminethatthedryer was damagedafterthe truckerhasleftyour location,youshould call the
deliveringcarrier's freightterminal immediatelyand filea claim. Thefreightcompany considersthis
concealeddamage. Thistypeoffreightclaimisverydifficult to get paid and becomes extremely difficult
whenmorethan adayortwopassesafterthefreightwasdelivered. Itisyourresponsibilitytofilefreight
claims. Dryer/partsdamagedintransitcannotbeclaimedunderwarranty.
5. Freightclaimsaretheresponsibilityoftheconsignee,and ALLclaimsmustbefiledatthereceivingend.
ADCassumesnoresponsibilityforfreightclaimsordamages.
6. Ifyouneedassistanceinhandlingthesituation,pleasecontacttheADCTrafficManagerat(508)678-9000.
IMPORTANT: Thetumblersectionofthedryermustbetransportedandhandledinanupright
positionatalltimes.

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 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. 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 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 ANSI/NFPA NO. 70-LATEST EDITION.
NOTE: Failure to do so will VOID THE WARRANTY.
9. UNDER NO CIRCUMSTANCES should the dryer door switches 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 drying and cooling cycles have been completed
can create a fire hazard.
12. DO NOT operate steam dryers with more than 125 PSI 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 FOLLOW 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
SECTION II
SPECIFICATIONS/COMPONENT IDENTIFICATION
A. SPECIFICATIONS
Gas
Electric
Steam
* For non-reversing models.
** A minimum of 3/4" pipe must be supplied to the gas inlet for each dryer.
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.
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