American Dryer AD285DH Parts Diagram
AD285DH / AD285D Installation Manual
Phase 5
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.
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.
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
ADC Part No. 113076-19
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 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.
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. The illustrations included in this manual may not depict your particular dryer exactly.
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.
Important
For your convenience, log the following information:
DATE OF PURCHASE ___________________________________________________ MODEL NO. ______________________
RESELLER’S NAME _______________________________________________________________________________________
Serial Number(s) ________________________________________________________________________________________
________________________________________________________________________________________
AD-285 PH5
________________________________________________________________________________________
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 (508) 678-9447 or telephone your order 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.
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.
!
WARNING
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.
IMPORTANT
YOU MUST DISCONNECT AND LOCK OUT 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 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.»
CAUTION
DRYERS SHOULD NEVER BE LEFT UNATTENDED WHILE IN OPERATION.
WARNING
CHILDREN SHOULD NOT BE ALLOWED TO PLAY ON OR NEAR THE DRYER(S).
CHILDREN SHOULD BE SUPERVISED IF NEAR DRYERS IN OPERATION.
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 dryer door switches, lint drawer switch,
or heat safety circuit ever be disabled.
Do not modify this appliance.
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.
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.
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).
Table of Contents
SECTION I
IMPORTANT INFORMATION ................................................................................3
A. Receiving and Handling ............................................................................................................... 3
B. Safety Precautions ...................................................................................................................... 4
SECTION II
SPECIFICATIONS...................................................................................................... 6
SECTION III
INSTALLATION PROCEDURES ............................................................................9
A. Unpacking/Setting Up ................................................................................................................. 9
B. Location Requirements ............................................................................................................. 10
C. Dryer Enclosure Requirements .................................................................................................. 11
D. Fresh Air Supply Requirements ................................................................................................. 12
E. Exhaust Requirements ............................................................................................................... 13
F. Electrical Information ................................................................................................................ 19
G. Gas Information ........................................................................................................................ 24
H. Preparation For Operation and Start-Up ................................................................................... 28
I. Preoperational Test ................................................................................................................... 29
J. Preoperational Instructions ........................................................................................................ 30
K. Shutdown Instructions ............................................................................................................... 33
SECTION IV
SERVICE AND PARTS INFORMATION .............................................................34
A. Service ..................................................................................................................................... 34
B. Parts ........................................................................................................................................ 34
SECTION V
WARRANTY INFORMATION ...............................................................................35
A. Returning Warranty Cards ......................................................................................................... 35
B. Warranty .................................................................................................................................. 35
C. Returning Warranty Parts .......................................................................................................... 35
SECTION VI
ROUTINE MAINTENANCE................................................................................... 37
A. Cleaning ................................................................................................................................... 37
B. Adjustments ............................................................................................................................. 38
C. Lubrication ............................................................................................................................... 38
SECTION VII
TROUBLESHOOTING ............................................................................................39
Microprocessor Controller (Computer) Models .............................................................................. 39
Mechanical Coin Models ................................................................................................................ 44
SECTION VIII
DATA LABEL INFORMATION ..............................................................................46
A. Data Label ............................................................................................................................... 46
SECTION IX
PROCEDURE FOR FUNCTIONAL CHECK
OF REPLACEMENT COMPONENTS .................................................................47
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 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
and 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.
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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 or 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. Dryers 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.
4 American Dryer Corp. 113076-19
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 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: 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 switches, lint drawer 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. 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%), 20 lb (9.07 kg) of its rated capacity.
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.
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).
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.
113076-19 www.adclaundry.com 5
SECTION II
SPECIFICATIONS
MODEL ADG258DH (WITH HEAT RECLAIMER)
MODEL ADG285D (NO HEAT RECLAIMER)
MAXIMUM CAPACITY (DRY WEIGHT) 30 lb
TUMBLER DIAMETER 27-1/4”
TUMBLER DEPTH 30”
TUMBLER VOLUME 10.18 cu ft
TUMBLER/DRIVE MOTOR 1/2” hp
BLOWER/FAN MOTOR N / A
DOOR OPENING (DIAMETER) 21-1/2”
DOOR SILL HEIGHT 26-3/8”
WATER CONNECTION 3/4”-11.5 NH (North America)
3/4” B.S.P.T. (Outside North America)
DRYERS PER 20’/40’ CONTAINER 14 / 30
DRYERS PER 48’/53’ TRUCK 36 / 38
VOLTAGE AVAILABLE 120-480V 1,3ø 2,3,4w 50/60 Hz
APPROXIMATE NET WEIGHT 455 lb
APPROXIMATE SHIPPING WEIGHT 500 lb
kcal/hr
60 Hz
50 Hz
375 cfm
313 cfm
1/2” B.S.P.T. (CE and Australia Only)
N / A
N / A
AIRFLOW
HEAT INPUT 72,000 Btu/hr
GASELECTRICSTEAM
EXHAUST CONNECTION (DIAMETER) 6”
COMPRESSED AIR CONNECTION N / A
COMPRESSED AIR VOLUME N / A
INLET PIPE CONNECTION 1/2” N.P.T.
VOLTAGE AVAILABLE
APPROXIMATE NET WEIGHT
APPROXIMATE SHIPPING WEIGHT
AIRFLOW
EXHAUST CONNECTION (DIAMETER)
COMPRESSED AIR CONNECTION
COMPRESSED AIR VOLUME
OVEN SIZE
kW Btu/hr
VOLTAGE AVAILABLE
APPROXIMATE NET WEIGHT
APPROXIMATE SHIPPING WEIGHT
AIRFLOW
STEAM CONSUMPTION
OPERATING STEAM PRESSURE
EXHAUST CONNECTION (DIAMETER)
COMPRESSED AIR CONNECTION
COMPRESSED AIR VOLUME
BOILER HORSEPOWER (NORMAL LOAD)
SUPPLY CONNECTION
RETURN CONNECTION
Shaded areas are stated in metric equivalents 4/2/07
13.6 kg
69.22 cm
76.2 cm
288.27 L
0.373 kW
54.61 cm
67 cm
206.4 kg
226.8 kg
11 cmm
8.85 cmm
18,144 kcal/hr
15.24 cm
NOTE: ADC reserves the right to make changes in specifications at any time without notice or
obligation.
6 American Dryer Corp. 113076-19
ADG-285DH (with Heat Reclaimer) Specifications
NOTE: ADC reserves the right to make changes in specifications at any time without notice or
obligation.
113076-19 www.adclaundry.com 7
ADG-285D (No Heat Reclaimer) Specifications
NOTE: ADC reserves the right to make changes in specifications at any time without notice or
obligation.
8 American Dryer Corp. 113076-19
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 Z223.1LATEST 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 optional shipping box) from dryer.
IMPORTANT: Dryer must be transported and handled in an upright position at ALL times.
NOTE: For non-coin dryer models equipped with locks, the lock used is a dummy lock and no key is
supplied or needed. The lock can be turned with any key, a screwdriver, a small coin, or any
small sharp object. For coin-operated dryers, the MK-100 (master key for both the control
door and lint door) should be made accessible because it will be needed throughout various
phases in the installation of the dryer.
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 base (remove the back panel for access), and two (2) are located in the bottom of the lint chamber. To
remove the two (2) bolts located in the lint chamber area, remove the lint door.
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.
To increase bearing life and improve efficiency, the dryer should be tilted slightly to the rear.
1. Leveling Dryer
The dryer is equipped with four (4) leveling legs, one (1) at each corner of the base. Two (2) are located at
the rear of the dryer base, and two (2) are located in the lint chamber (coop). To increase bearing life and
improve efficiency, the dryer should be tilted slightly to the rear.
113076-19 www.adclaundry.com 9
B. LOCATION REQUIREMENTS
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 (Liquid Propane [L.P.] Gas) or LATEST EDITION (for General
Installation and Gas Plumbing).
1. 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.”
2. The dryer must not be installed or stored in an area where it will be exposed to water or weather.
3. The dryer is for use in noncombustible locations.
4. Provisions for adequate air supply must be provided as noted in this manual (refer to Fresh Air Supply
Requirements in Section D).
5. Clearance provisions must be made from combustible construction as noted in this manual (refer to Dryer
Enclosure Requirements in Section C).
6. Provisions must be made for adequate clearances for servicing and for operation as noted in this manual
(refer to Dryer Enclosure Requirements in Section C).
7. Dryer must be exhausted to the outdoors as noted in this manual (refer to Exhaust Requirements in
Section E).
8. Dryer must be located in an area where correct exhaust venting can be achieved as noted in this manual
(refer to Exhaust Requirements in Section E).
IMPORTANT: Dryer should be located where a minimum amount of exhaust duct will be necessary.
9. The dryer must be installed with a proper exhaust duct connection to the outside.
10. 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 buildup.
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).
10 American Dryer Corp. 113076-19
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’s outer top; except along the front of the dryer which may be closed if
desired.
NOTE: Allowances must be made for opening the control door.
X = 12-inch (30.48 cm) minimum, 24-inches (60.96 cm) is suggested for ease of maintenance.
NOTE: Air considerations are important for proper and efficient operation.
Dryers may be positioned sidewall to sidewall. However, a 1/16” (1.5875 mm) minimum allowance must be
made for the opening and closing of the control door and the lint door. It is suggested that the dryer be positioned
about 2 feet (0.61 meters) away from the nearest obstruction for ease of installation, maintenance, and service
(to be measured from the back guard). Refer to the illustration above for details.
113076-19 www.adclaundry.com 11
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.
When the dryer is operating, it draws in room air, heats it, passes this air through the basket (tumbler), and
exhausts it out of the building. Therefore, the room air must be continually replenished from the outdoors. If the
make-up air is inadequate, drying time and drying efficiency will be adversely affected. Ignition problems and sail
switch “fluttering” problems may result, as well as premature motor failure from overheating. The dryer must
be installed with provisions for adequate combustion and make-up air supply.
Air supply (make-up air) must be given careful consideration to ensure proper performance of each dryer.
Fresh air ventilation openings shall not be blocked and/or sealed. As a general rule, an unrestricted air entrance
from the outdoors of 72 inch2 (464.51 cm2) is required for each dryer. (Based on 1 inch2 [6.5 cm2] per 1,000 Btu
[252 kcal].)
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 all the
dryers.
EXAMPLE: For a bank of 8 dryers, 2 unrestricted openings measuring 16-inches by 18-inches (40.64 cm by
45.72 cm) are acceptable.
To compensate for the use of registers or louvers used over the openings, this area must be increased by
approximately 33%. Make-up air openings should not be located in an area directly near where exhaust vents
exit the building.
Allowances must be made for remote or constricting passageways or where dryers are located at high altitudes
or predominantly low pressure areas.
IMPORTANT: Make-up air must be 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.
NOTE: Component failure due to dry cleaning solvent fumes will void the warranty.
12 American Dryer Corp. 113076-19
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, and shutdown of the burner
by the airflow (sail) switch, burner hi-limit, or lint chamber hi-heat protector thermostat. The dryer must be
installed with a proper exhaust duct connection to the outside.
The design of the flue system shall be such that any condensate formed when operating the appliance from cold
shall either be retained and subsequently re-evaporated or discharged.
CAUTION: This dryer produces combustible lint and must be exhausted to the outdoors.
When possible, it is suggested to provide a separate (single) exhaust duct for each dryer.
CAUTION: IMPROPERLY SIZED OR INSTALLED EXHAUST DUCTWORK CAN
CREATE A POTENTIAL FIRE HAZARD.
CAUTION: DRYER MUST BE EXHAUSTED TO THE OUTDOORS.
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. The shape of the ductwork is not critical so long as the minimum cross
section area is provided. Single or independent dryer venting is recommended.
It is suggested that the use of 90° turns be avoided; use 30° or 45° angles instead.
The ductwork should be smooth inside with no projections from sheet metal screws or other obstructions, which
will collect lint. When adding ducts, the ducts to be added should overlap the duct to which it is connected. ALL
ductwork joints must be taped to prevent moisture and lint from escaping into the building. Additionally, inspection
doors should be installed at strategic points in the exhaust ductwork for periodic inspection and cleaning.
IMPORTANT: When connecting ductwork to the dryer exhaust duct, be sure that when screws are
used they DO NOT restrict the operation (both opening and closing) of the damper.
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 90° elbow bent downward should be
installed where the exhaust exits the building. If the ductwork travels vertically up through the roof, it should be
protected from the weather by using a 180° turn to point the opening downward. In either case, allow at least
twice the diameter of the duct between the duct opening and the nearest obstruction (i.e., roof or ground level).
IMPORTANT: DO NOT use screens, louvers, or caps on the outside opening of the exhaust
ductwork.
IMPORTANT: 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) of water column
(W.C.).
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