ADC AD-320 Installation guide

American Dryer Corporation

88 Currant Road

Fall River MA 02720-4781 USA

Telephone: +1 (508) 678-9000 / Fax: +1 (508) 678-9447

e-mail: techsupport@amdry.com

www.adclaundry.com

AD-330/AD-320 Installation Manual

Phase 5 / Dual Microprocessor Controller (DMC)

Gas – Electric – Steam

(for models mfd. as of February 1992)

ADC Part No. 112144 -46

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 à proximité de cet

appareil ou de tout autre appareil.

—QUE FAIRE SI VOUS SENTEZ UNE

ODEUR DE GAZ:

●

Ne pas tenter d’allumer d’appareils.

●

Ne touchez à aucun interrupteur. Ne

pas vous servir des téléphones se

trouvant dans le bâtiment.

●

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: For your safety the

information in this manual must be

followed to minimize the risk of fire or

explosion and to prevent property

damage, personal injury or death.

— 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 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.

“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.

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.

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 A DC factory. When ordering replacement parts from the

factory, you can FAX your order to ADC at +1 (508) 678-9447 or telephone your order directly to the ADC Parts

Department at +1 (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.

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

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.

IMPORTANT

YOU MUST DISCONNECT A N D 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.

WARNING

CHILDREN SHOULD NOT BE ALLOWED TO PLAY ON OR NEAR THE DRYERS.

CHILDREN SHOULD BE SUPERVISED IF NEAR DRYERS IN OPERATION.

CAUTION

DRYERS SHOULD NEVER BE LEFT UNATTENDED WHILE IN OPERATION.

Proposition 65

Use of this product could expose you to substances from fuel combustion

that contain chemicals known to the State of California to cause cancer,

birth defects and other reproductive harm.

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.

■ A flexible gas connector, when used, must not exceed 3 feet.

“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 et dangereux.»

!

WARNING

FOR YOUR SAFETY

DO NOT DRY MOP HEADS IN THE DRYER.

DO NOT USE DRYER IN THE PRESENCE OF DRY CLEANING FUMES.

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 manual included with the dryer.

WARNING

DRYER MUST NEVER BE OPERATED WITHOUT THE LINT FILTER/SCREEN IN

PLACE, EVEN IF AN EXTERNAL LINT COLLECTION SYSTEM IS USED.

Dryer 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.

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).

WARNING

UNDER NO CIRCUMSTANCES should the dryer door switch, lint door switch, or heat

safety circuit ever be disabled.

WARNING

Do not modify this appliance.

Table of Contents

SECTION I

IMPORTANT INFORMATION ........................................................................................ 3

A. Receiving and Handling ................................................................................................................... 3

B. Safety Precautions ............................................................................................................................ 4

SECTION II

SPECIFICATIONS ............................................................................................................. 7

A. Specifications (AD-320) ................................................................................................................... 7

B. Specifications (AD-330) ................................................................................................................... 9

SECTION III

INSTALLATION PROCEDURES .................................................................................. 11

A. Unpacking/Setting Up .....................................................................................................................11

B. Location of the Dryer .......................................................................................................................11

C. Dryer Enclosure Requirements ....................................................................................................... 12

D. Fresh Air Supply Requirements ...................................................................................................... 13

E. Exhaust Requirements .................................................................................................................... 14

F. Electrical Information ..................................................................................................................... 22

G. Gas Information .............................................................................................................................. 25

H. Steam Piping Hookup ..................................................................................................................... 29

I. Preparation For Operation .............................................................................................................. 34

J. Preoperational Test ......................................................................................................................... 34

K. Shutdown Instructions .................................................................................................................... 37

SECTION IV

OPERATING INSTRUCTIONS ...................................................................................... 38

A. Starting the Dryer............................................................................................................................ 38

SECTION V

SERVICE/PARTS INFORMATION ............................................................................... 40

A. Service ............................................................................................................................................ 40

B. Parts ................................................................................................................................................ 40

SECTION VI

WARRANTY INFORMATION ....................................................................................... 41

A. Returning Warranty Cards .............................................................................................................. 41

B. Warranty.......................................................................................................................................... 41

C. Returning Warranty Parts ................................................................................................................ 41

SECTION VII

ROUTINE MAINTENANCE ........................................................................................... 43

A. Cleaning .......................................................................................................................................... 43

B. Adjustments .................................................................................................................................... 44

C. Lubrication...................................................................................................................................... 44

SECTION VIII

TROUBLESHOOTING .................................................................................................... 45

SECTION IX

PROCEDURE FOR FUNCTIONAL CHECK

OF REPLACEMENT COMPONENTS .......................................................................... 52

Optional Exhaust Duct Kit ................................................................................................................... 55

Optional Gas Piping Kit ....................................................................................................................... 55

112144-46 www.adclaundry.com 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. If 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 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. 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 American Dryer Corp. 112144-46

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. 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 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.

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 only water washed fabrics. DO NOT dry articles spotted or washed in dry cleaning

solvents, a combustible detergent, industrial chemicals, or “all purpose” cleaner.

EXPLOSION COULD RESULT.

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 solvents 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 may be a fire hazard.

112144-46 www.adclaundry.com 5

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 should be established for the inspection and cleaning of lint in the heating unit area, exhaust ductwork,

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 ductwork can create a potential fire

hazard.

10. For personal safety, the dryer must be electrically grounded in accordance with local codes and/or the National

Electrical Code ANSI/NFPA NO. 70-LATEST EDITION or in Canada, the Canadian Electrical Codes Parts 1

& 2 CSA C22.1-1990 or LATEST EDITION.

NOTE: Failure to do so will VOID THE WARRANTY.

11. UNDER NO CIRCUMSTANCES should the dryer door switch, lint door switch, or heat safety circuit ever be

disabled.

WARNING: PERSONAL INJURY OR FIRE COULD RESULT.

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: Articles left in the dryer after the drying and cooling cycles have been completed can

create a fire hazard.

14. DO NOT operate steam dryers with more than 125 PSI (8.62 bar) steam pressure. Excessive steam pressure

can damage steam coil and/or harm personnel.

15. Replace leaking flexible hoses or other steam fixtures immediately. DO NOT operate the dryer with leaking

flexible hoses. Personal injury may result.

16. READ AND FOLLOW ALL CAUTION AND DIRECTION LABELS ATTACHED TO THE DRYER.

17. For safety, proper operation, and optimum performance, the dryer must not be operated with a load less than

sixty-six percent (66%) of its rated capacity. AD-320 (26.4 lbs [12 kg]) and AD-330 (39.7 lbs [18 kg]).

WARNING: 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)

STANDARD.

IMPORTANT: Dryer must be installed in a location/environment, which the ambient

temperature remains between 40º F (4.44º C) and 130º F (54.44º C).

6 American Dryer Corp. 112144-46

CE ONLY

IMPORTANT: This appliance must only be installed and operated in the country of destination

indicated on the dryer’s data plate. If the appliance is to be installed and operated in a

country other than the one indicated on the data plate, a data plate amendment must

be obtained from American Dryer Corporation.

IEC335 applies.

NOTES ____________________________________________________________________________________________________________________________

___________________________________________________________________________________________________________________________________

112144-46 www.adclaundry.com 7

SECTION II

SPECIFICATIONS

A. SPECIFICATIONS (AD-320)

Shaded areas are stated in metric equivalents 4/20/10

* Dryer must be provided with clean, dry, regulated 80 psi +/- 10 psi (5.51 bar +/- 0.69 bar) air supply.

NOTE: ADC reserves the right to make changes in specifications at any time without notice or

obligation.

MAXIMUM CAPACITY (DRY WEIGHT) PER POCKET 20 lb

9.07 kg

TUMBLER DIAMETER 27-1/4”

69.2 cm

TUMBLER DEPTH 25”

63.5 cm

TUMBLER VOLUME PER POCKET 8.4 cu ft

237.86 L

TUMBLER/DRIVE MOTOR PER POCKET 1/3 hp

0.25 kW

BLOWER/FAN MOTOR PER POCKET N/A

DOOR OPENING (DIAMETER) 21-1/2”

54.6 cm

DOOR SILL HEIGHT TOP POCKET / BOTTOM POCKET 50-15/16” / 12-3/16”

129.4 cm / 31 cm

WATER CONNECTION 3/4”-11.5 NH (North America)

3/4” B.S.P.T. (Outside North America)

DRYERS PER 20’/40’ CONTAINER 14 / 28

DRYERS PER 48’/53’ TRUCK 34 / 36

VOLTAGE AVAILABLE 100-240V 1ø 2w 50/60 Hz

APPROXIMATE NET WEIGHT 760 lb

344.7 kg

APPROXIMATE SHIPPING WEIGHT 795 lb

360.6 kg

AIRFLOW PER POCKET

60 Hz

400 cfm

11.33 cmm

50 Hz

333 cfm

9.44 cmm

HEAT INPUT PER POCKET 60,000 Btu/hr

15,120 kcal/hr

EXHAUST CONNECTION (DIAMETER) PER POCKET 6”

15.24 cm

COMPRESSED AIR CONNECTION N/A

COMPRESSED AIR VOLUME N/A

INLET PIPE CONNECTION PER POCKET 1/2” F.N.P.T.

1/2” B.S.P.T. (CE and Australia Only)

VOLTAGE AVAILABLE 208-416V 1,3ø 2,3,4w 50/60 Hz

APPROXIMATE NET WEIGHT 760 lb

344.7 kg

APPROXIMATE SHIPPING WEIGHT 795 lb

360.6 kg

AIRFLOW PER POCKET

60 Hz

400 cfm

11.33 cmm

50 Hz

333 cfm

9.44 cmm

EXHAUST CONNECTION (DIAMETER) PER POCKET 6”

15.24 cm

COMPRESSED AIR CONNECTION N/A

COMPRESSED AIR VOLUME N/A

OVEN SIZE PER POCKET

kW Btu/hr

kcal/hr

15 51,228

12,910

VOLTAGE AVAILABLE 100-240V 1ø 2w 50/60 Hz

APPROXIMATE NET WEIGHT 873 lb

396.0 kg

APPROXIMATE SHIPPING WEIGHT 949 lb

430.5 kg

AIRFLOW PER POCKET

60 Hz

400 cfm

11.33 cmm

50 Hz

333 cfm

9.44 cmm

STEAM CONSUMPTION PER POCKET 101 lb/hr

45.8 kg/hr

OPERATING STEAM PRESSURE 125 psi max

8.6 bar

EXHAUST CONNECTION (DIAMETER) PER POCKET 6”

15.24 cm

COMPRESSED AIR CONNECTION PER POCKET 1/8” F.N.P.T.

COMPRESSED AIR VOLUME 0.5 cfh

0.014 cmh

BOILER HORSEPOWER (NORMAL LOAD) PER POCKET 2.9 Bhp

SUPPLY CONNECTION PER POCKET 1” F.N.P.T.

RETURN CONNECTION PER POCKET 3/4” F.N.P.T.

GASELECTRICSTEAM*

8 American Dryer Corp. 112144-46

NOTE: ADC reserves the right to make changes in specifications at any time without notice or

obligation.

SPECIFICATIONS (AD-320)

112144-46 www.adclaundry.com 9

MAXIMUM CAPACITY (DRY WEIGHT) PER POCKET 30 lb

13.60 kg

TUMBLER DIAMETER 27-1/4”

69.2 cm

TUMBLER DEPTH 30”

76.2 cm

TUMBLER VOLUME PER POCKET 10.1 cu ft

286.0 L

TUMBLER/DRIVE MOTOR PER POCKET 1/3 hp

0.25 kW

BLOWER/FAN MOTOR PER POCKET N/A

DOOR OPENING (DIAMETER) 21-1/2”

54.6 cm

DOOR SILL HEIGHT TOP POCKET / BOTTOM POCKET 52-3/8” / 14-1/4”

133.033 cm / 36.195 cm

WATER CONNECTION 3/4”-11.5 NH (North America)

3/4” B.S.P.T. (Outside North America)

DRYERS PER 20’/40’ CONTAINER 14 / 28

DRYERS PER 48’/53’ TRUCK 34 / 36

VOLTAGE AVAILABLE 100-240V 1ø 2w 50/60 Hz

APPROXIMATE NET WEIGHT 793 lb

359.7 kg

APPROXIMATE SHIPPING WEIGHT 860 lb

390.1 kg

AIRFLOW PER POCKET

60 Hz

400 cfm

11.33 cmm

50 Hz

333 cfm

9.44 cmm

HEAT INPUT PER POCKET 68,000 Btu/hr

17,135 kcal/hr

EXHAUST CONNECTION (DIAMETER) PER POCKET 6”

15.24 cm

COMPRESSED AIR CONNECTION N/A

COMPRESSED AIR VOLUME N/A

INLET PIPE CONNECTION PER POCKET 1/2” F.N.P.T.

1/2” B.S.P.T. (CE and Australia Only)

VOLTAGE AVAILABLE 208-416V 1,3ø 2,3,4w 50/60 Hz

APPROXIMATE NET WEIGHT 793 lb

359.7 kg

APPROXIMATE SHIPPING WEIGHT 860 lb

390.1 kg

AIRFLOW PER POCKET

60 Hz

400 cfm

11.33 cmm

50 Hz

333 cfm

9.44 cmm

EXHAUST CONNECTION (DIAMETER) PER POCKET 6”

15.24 cm

COMPRESSED AIR CONNECTION N/A

COMPRESSED AIR VOLUME N/A

OVEN SIZE PER POCKET

kW Btu/hr

kcal/hr

15 51,228

12,910

VOLTAGE AVAILABLE 100-240V 1ø 2w 50/60 Hz

APPROXIMATE NET WEIGHT 837 lb

379.7 kg

APPROXIMATE SHIPPING WEIGHT 884 lb

401.0 kg

AIRFLOW PER POCKET

60 Hz

400 cfm

11.33 cmm

50 Hz

333 cfm

9.44 cmm

STEAM CONSUMPTION PER POCKET 101 lb/hr

45.8 kg/hr

OPERATING STEAM PRESSURE 125 psi max

8.6 bar

EXHAUST CONNECTION (DIAMETER) PER POCKET 6”

15.24 cm

COMPRESSED AIR CONNECTION PER POCKET 1/8” F.N.P.T.

COMPRESSED AIR VOLUME 0.5 cfh

0.014 cmh

BOILER HORSEPOWER (NORMAL LOAD) PER POCKET 2.9 Bhp

SUPPLY CONNECTION PER POCKET 1” F.N.P.T.

RETURN CONNECTION PER POCKET 3/4” F.N.P.T.

B. SPECIFICATIONS (AD-330)

GASELECTRICSTEAM*

NOTE: ADC reserves the right to make changes in specifications at any time without notice or

obligation.

Shaded areas are stated in metric equivalents 5/11/12

* Dryer must be provided with clean, dry and regulated 80 psi +/- 10 psi (5.51 bar +/- 0.69 bar) air supply.

10 American Dryer Corp. 112144-46

SPECIFICATIONS (AD-330)

NOTE: ADC reserves the right to make changes in specifications at any time without notice or

obligation.

112144-46 www.adclaundry.com 11

SECTION III

INSTALLATION PROCEDURES

Installation should be performed by competent technicians in accordance with local and state codes. In the absence

of these codes, the installation must conform to applicable American National Standards: ANSI Z223.1-LATEST

EDITION (National Fuel Gas Code) or ANSI/NFPA NO. 70-LATEST EDITION (National Electrical Code) or in

Canada, the installation must conform to applicable Canadian Standards: CAN/CGA-B149.1-M91 (Natural Gas)

or CAN/CGA-B149.2-M91 (Liquid Propane [L.P.] Gas) or LATEST EDITION (for General Installation and Gas

Plumbing) or Canadian Electrical Codes Parts 1 & 2 CSA C22.1-1990 or LATEST EDITION (for Electrical

Connections).

A. UNPACKING/SETTING UP

Remove protective shipping material (i.e., plastic wrap and/or optional shipping box) from dryer.

NOTE: The access keys for the service doors are included in the information packet shipped in the

basket (tumbler). These keys should be removed and put in a safe place yet made accessible

because some will be needed throughout various phases in the installation of the dryer.

Dryers are shipped with a coin box and coin box faceplate ONLY. The coin box lock is not included and must

be purchased elsewhere or the lock can be ordered as a parts order from the ADC factory.

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) bolts securing the base of the dryer to the wooden skid. Two (2) are at the rear

of the base, and two (2) are located in the front. Once the bolts are removed, slide the dryer off the skid.

With the skid removed, to make it easier to slide the dryer into its final position, slightly lower ALL four (4) leveling

legs, so that the dryer will slide on the legs instead of the base frame. The dryer is equipped with four (4) leveling

legs, one (1) at each corner of the dryer base. The hex head adjustment bolts for the two (2) front leveling legs are

located directly behind the lower access door, and the rear two (2) adjustments are directly behind the lower rear

back (guard) panel.

For more effective automatic door closure and better tumbling action (and improved efficiency), the dryer should be

tilted slightly to the rear.

B. LOCATION OF THE DRYER

Before installing the dryer, be sure the location conforms to local codes and ordinances. In the absence of such

codes or ordinances the location must conform with the National Fuel Gas Code ANSI.Z223.1 LATEST EDITION,

or in Canada, the installation must conform to applicable Canadian Standards: CAN/CGA-B149.1-M91 (Natural

Gas) or CAN/CGA-B149.2-M91 (L.P. Gas) or LATEST EDITION (for General Installation and Gas Plumbing).

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: “The dryer must be installed on noncombustible floors only.”

12 American Dryer Corp. 112144-46

Even though a 12-inch (30.48 cm) clearance is acceptable, it is recommended that the rear of the dryer be positioned

approximately 2 feet (0.61 meters) away from the nearest obstruction, i.e., wall, for ease of installation, maintenance,

and service.

The dryer must be installed with a proper exhaust duct connection to the outside.

The dryer must be installed with provisions for adequate combustion and make-up air supply.

CAUTION: This dryer produces combustible lint and must be exhausted to the outdoors. Every 6

months, inspect the exhaust ducting and remove any lint build up.

IMPORTANT: Dryer must be installed in a location/environment, which the ambient

temperature remains between 40º F (4.44º C) and 130º F (54.44º C).

C. DRYER ENCLOSURE REQUIREMENTS

Bulkheads and partitions should be made of noncombustible materials and must be located a minimum of 12-inches

(30.48 cm) above the dryer outer top, except along the front of the dryer, which may be closed in if desired.

NOTE: Even though a minimum of 12-inches (30.48 cm) above the dryer outer top is acceptable, a

clearance of 18-inches (45.72 cm) or more is suggested for ease of installation and service

(power electrical connections).

NOTE: When fire sprinkler systems are located above the dryers, a minimum of 12-inches (30.48 cm)

above the dryer outer top is required.

112144-46 www.adclaundry.com 13

D. FRESH AIR SUPPLY REQUIREMENTS

This appliance may only be installed in a room that meets the appropriate ventilation requirements specified in the

national installation regulations.

Air supply (make-up air) must be given careful consideration to assure proper performance of each dryer. An

unrestricted source of 400 cfm (11.3 cmm) is necessary for each dryer. A n unrestricted air entrance from the outdoors

(atmosphere) of a minimum of 1-1/2 square feet (0.14 square meters) is required for each dryer. This area must be

enlarged if louvers or registers cover the opening. 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 the dryers. For example, for a bank of eight (8) dryers, a total make-up air

opening of 12 square feet (1.15 square meters) is required. Two (2) openings measuring 2 feet by 3 feet (0.61 meters

by 0.91 meters) 6 square feet (0.56 square meters) are acceptable. The dryer must be installed with provisions for

adequate combustion and make-up air supply.

Allowances must be made for remote or constricting passageways or where dryers are located at excessive altitudes

or predominantly low-pressure areas.

IMPORTANT: Make-up air must be provided from a source free of dry cleaning solvent fumes.

Make-up air that is contaminated by dry cleaning solvent fumes will result in

irreparable damage to the motors and other dryer components.

IMPORTANT: Make-up air openings should not be located near ductwork exhaust outlets. If

make-up air openings are too close to the exhaust outlet, lint and fumes may be drawn

back into the dryer area through these openings.

NOTE: Component failure due to dry cleaning solvent fumes will VOID THE WARRANTY.

14 American Dryer Corp. 112144-46

E. EXHAUST REQUIREMENTS

Exhaust ductwork should be 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 basket (tumbler) hi-heat thermostats. The

dryer must be installed with a proper exhaust duct connection to the outside.

CAUTION: This dryer produces combustible lint and must be exhausted to the outdoors.

CAUTION: IMPROPERLY SIZED OR INSTALLED EXHAUST DUCTWORK CAN CREATE

A POTENTIAL FIRE HAZARD.

IMPORTANT: It is recommended that exhaust or booster fans not be used in the exhaust ductwork

system.

The exhaust 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. When single dryer (10-inches [25.4 cm]) vertical venting is used, the

ductwork from the dryer to the outside exhaust outlet must not exceed 35 feet (10.67 meters) or for 10-inches (25.4

cm) horizontal 10 feet (3.05 meters). In the case of multiple (common) dryer venting, the distance from the last dryer

to the outside exhaust outlet must not exceed 15 feet (4.57 meters). The shape of the exhaust ductwork is not

critical so long as the minimum cross-sectional area is provided.

It is suggested that the use of 90° turns in ducting be avoided; use 30° or 45° angles instead. Excluding basket

(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 section area of the

ductwork must be increased in proportion to the number of elbows added.

1. Exhaust Connections of Top and Bottom Baskets (Tumblers)

There is no common venting connection provided with the dryer. Each basket (tumbler) exhaust duct is provided

with its own back draft damper. Each basket (tumbler) can be exhausted directly outdoors independently or

connected to a common duct. Both single or common ductwork can be rigid ducting or flexible ducting. For

common connections, a kit (ADC Part No. 882035) is available from the factory and includes the necessary

flex ducting, elbows, and “Y” assembly, etc., to join the top and bottom exhausts together.

NOTE: THE FLEXIBLE EXHAUST DUCT KIT IS NOT RECOMMENDED FOR STEAM

DRYERS.

ALL ductwork joints must be taped to prevent moisture and lint from escaping into the building.

IMPORTANT: Exhaust back pressure measured by a manometer at each basket (tumbler) exhaust

duct area must be no less than 0 and must not exceed 0.3 inches (0.74 mb) water

column (W.C.) when both baskets (tumblers) are operating.

NOTE: Common exhaust connections of top and bottom baskets (tumblers) should be installed in

such a manner that the back guards can be removed easily for servicing.

112144-46 www.adclaundry.com 15

NOTE: As per the National Fuel Gas Code, “Exhaust ducts for type 2 clothes dryers shall be

constructed of sheet metal or other noncombustible material. Such ducts shall be equivalent

in strength and corrosion resistance to ducts made of galvanized sheet steel not less than

26 gauge (0.0195-inches [0.50 mm]) thick.”

2. Single Dryer Venting

When possible, it is suggested to provide a separate exhaust duct for each dryer. The exhaust 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. It is suggested that the use of 90º turns in ducting be avoided; use 30º or 45º angles instead. The shape

of the exhaust ductwork is not critical so long as the minimum cross-sectional area is provided.

NOTE: Exhaust back pressure measured by a manometer at the dryer exhaust duct area must be no

less than 0 and must not exceed 0.3 inches (0.74 mb) water column (W.C.).

It is suggested that the ductwork from each dryer not exceed the limitations noted in this manual. If the

ductwork exceeds these limitations or has numerous elbows, the cross-sectional area of the ductwork must be

increased in proportion to length or number of elbows in it.

IMPORTANT: For extended ductwork runs, the cross-sectional area of the ductwork can only be

increased to an extent. When the ductwork approaches the maximum limits as noted

in this manual, a professional heating, venting, and air conditioning (HVAC) firm

should be consulted for proper venting information.

The ductwork should be smooth 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.

Also, inspection doors should be installed at strategic points in the exhaust ductwork for periodic inspection

and cleaning.

NOTE: When the exhaust ductwork passes through a wall, ceiling, or roof made of combustible

materials, the opening must be 2-inches (5.08 cm) larger than the duct (all the way around).

The duct must be centered within this opening.

To protect the outside end of the horizontal ductwork from the weather, a 90º elbow bent downward should be

installed where the exhaust exits the building. If the exhaust ductwork travels vertically up through the roof, it

should be protected from the weather by using a 180º turn to point the opening downward. In either case, allow

at least twice the diameter of the duct between the duct opening and nearest obstruction.

IMPORTANT: DO NOT use screens, louvers, or caps on the outside opening of the exhaust

ductwork.

NOTE: Refer to the illustrations on page 16 through page 18 for examples of single dryer venting.

16 American Dryer Corp. 112144-46

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