American Dryer ADG-170DR Parts Diagram
ADG-170DR / MLG-170DR
Installation Manual
Phase 7 / Non-Coin / DSI / Dual Timer / Fire Suppression System
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. 113409-8
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.
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. 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.
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) _______________________________________________________________________________________
______________________________________________________________________________________________________
______________________________________________________________________________________________________
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 +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
“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.
2 American Dryer Corp. 113409-8
!
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.
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 Occupational Safety
and Health Administration (OSHA) standards.
Please observe all safety precautions displayed on
the equipment and/or specified in the installation
manual included with the dryer.
CAUTION
The dryer(s) should never be left unattended while
in operation.
“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
Children should not be allowed to play on or near
the dryer(s). Children should be supervised if near
dryer(s) in operation.
Under no circumstances should the dryer door
switch(es), lint door/drawer switch(es), or heat safety
circuit(s) 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.
The dryer must never be operated without the lint
filter/screen in place, even if an external lint collection
system is used.
If the hi-limit switch trips, a service call is required
to investigate the reason and resolve the issue.
FOR YOUR SAFETY
Do not dry mop heads in the dryer. Do not use
dryer in the presence of dry cleaning fumes.
The dryers must not be installed or stored in an area
where it will be exposed to water and/or weather.
The wiring diagram for the dryer is located in the
front electrical control box area.
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.
Table of Contents _____________________
SECTION I
SAFETY PRECAUTIONS ....................................................... 4
SECTION II
SPECIFICATIONS .................................................................. 6
SECTION III
INSTALLATION PROCEDURES ............................................. 8
A. Location Requirements ...................................................... 8
B. Unpacking / Setting Up ....................................................... 9
C. Dryer Enclosure Requirements .........................................11
D. Fresh Air Supply Requirements ....................................... 12
E. Exhaust Requirements ..................................................... 13
F. Electrical Information ........................................................ 19
G. Gas Information................................................................ 22
H. Water Information ............................................................. 25
I. Preparation For Operation / Start-up................................ 26
J. Preoperational Test .......................................................... 27
K. Preoperational Instructions .............................................. 28
L. Compressed Air Requirements ........................................ 30
M. Shutdown Instructions..................................................... 30
SECTION IV
SERVICE / PARTS INFORMATION ....................................... 31
A. Service............................................................................. 31
B. Parts ................................................................................. 31
SECTION V
WARRANTY INFORMATION ................................................ 32
A. Returning Warranty Cards ............................................... 32
B. Warranty .......................................................................... 32
C. Returning Warranty Parts ................................................ 32
SECTION VI
ROUTINE MAINTENANCE ................................................... 34
A. Cleaning ........................................................................... 34
B. Adjustments ..................................................................... 35
C. Lubrication ....................................................................... 35
SECTION VII
MANUAL RESET BURNER HI-LIMIT INSTRUCTIONS ......... 36
A. Phase 7 ............................................................................ 36
B. Dual Timer ........................................................................ 36
SECTION VIII
DATA LABEL INFORMATION ............................................... 37
SECTION IX
PROCEDURE FOR FUNCTIONAL CHECK
OF REPLACEMENT COMPONENTS .................................... 38
SECTION X
PROGRAMMING .................................................................. 40
113409-8 www.adclaundry.com 3
SECTION I
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. The 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 tumbler may damage plastics or rubber and
may be a fire hazard.
4 American Dryer Corp. 113409-8
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, the lint drawer switch, or the 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%), 112 pounds (51 kg) of its rated capacity.
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
OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA)
STANDARDS.
IMPORTANT: The 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: Disconnect power before resetting the hi-limit. The hi-limit is located on the left side of the burner
box, looking at the box from the back of the dryer. Press and release and the hi-limit will reset.
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.
113409-8 www.adclaundry.com 5
SECTION II
SPECIFICATIONS
MAXIMUM CAPACITY (DRY WEIGHT) 170 lb
TUMBLER DIAMETER 51-1/2”
TUMBLER DEPTH 42-3/4”
TUMBLER VOLUME 51.5 cu ft
TUMBLER / DRIVE MOTOR 1 hp
BLOWER / FAN MOTOR 7-1/2 hp
DOOR OPENING (DIAMETER) 31-3/8”
DOOR SILL HEIGHT 36-1/2”
WATER CONNECTION 3/4”-11.5 NH (North America)
3/4” B.S.P.T. (Outside North America)
DRYERS PER 20’/40’ CONTAINER 3 / 7
DRYERS PER 48’/53’ TRUCK 8 / 8
VOLTAGE AVAILABLE 208-575v 3ø 3,4w 50/60 Hz
APPROX. NET WEIGHT 1,848 lb
APPROX. SHIPPING WEIGHT 2,014 lb
AIRFLOW 2,503 cfm
HEAT INPUT 395,000 Btu/hr
EXHAUST CONNECTION (DIAMETER) 12”
COMPRESSED AIR CONNECTION 1/4” Quick Connection
COMPRESSED AIR VOLUME 4.25 cfh
INLET PIPE CONNECTION 1” M.N.P.T. (North America)
1-1/2” F.B.S.P.T. (Outside North America)
VOLTAGE AVAILABLE
APPROX. NET WEIGHT
APPROX. SHIPPING WEIGHT
AIRFLOW
EXHAUST CONNECTION (DIAMETER)
COMPRESSED AIR CONNECTION
COMPRESSED AIR VOLUME
ELECTRIC GAS
kW Btu/hr
VOLTAGE AVAILABLE
APPROX. NET WEIGHT
APPROX. SHIPPING WEIGHT
AIRFLOW
STEAM CONSUMPTION
OPERATING STEAM PRESSURE
EXHAUST CONNECTION (DIAMETER)
STEAM
COMPRESSED AIR CONNECTION
COMPRESSED AIR VOLUME
BOILER HP (NORMAL LOAD)
SUPPLY CONNECTION
RETURN CONNECTION
Shaded areas are stated in metric equivalents 7/29/14
OVEN SIZE
kcal/hr
N / A
N / A
77.11 kg
130.81 cm
108.59 cm
1449.823 L
0.75 kW
5.59 kW
79.71 cm
92.71 cm
838.24 kg
913.54 kg
70.87 cmm
99,538 kcal/hr
30.48 cm
0.12 cmh
IMPORTANT: Gas dryers must be provided with a clean, dry, and regulated 80 psi ± 10 psi (5.51 bar ±
0.68 bar) air supply.
NOTE: ADC reserves the right to make changes in specifications at any time without notice or obligation.
6 American Dryer Corp. 113409-8
Specifications – Gas
NOTE: ADC reserves the right to make changes in specifications at any time without notice or obligation.
113409-8 www.adclaundry.com 7
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/CGAB149.2-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. 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 (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 and/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. The dryer must be installed with a proper exhaust duct connection to the outside as noted in this manual (refer to
Exhaust Requirements in Section E).
8. The 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: The dryer should be located where a minimum amount of exhaust duct will be necessary.
9. The dryer must be installed with adequate clearance for air openings into the combustion chamber.
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.
8 American Dryer Corp. 113409-8
IMPORTANT: The 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).
B. UNPACKING / SETTING UP
Remove protective shipping material (i.e., plastic wrap and/or optional shipping box) from dryer.
IMPORTANT: The dryer must be transported and handled in an upright position at ALL times.
The dryer can be moved to its final location while still attached to the skid or with the skid removed. To remove the skid
from the dryer, locate and remove the four (4) lag bolts securing the base of the dryer to the wooden skid. Two (2) are
at the rear base, and two (2) are located in the bottom of the lint chamber. To remove the two (2) lag bolts located in the
lint chamber area, remove the lint drawer and the three (3) Phillips head screws securing the lint door in place.
1. Leveling Dryer
a. To level the dryer, place 4-inch (10.16 cm) square metal shims or other suitable material under the base pads. It
is suggested that the dryer be tilted slightly to the rear (refer to the illustration above).
b. The V-belts are disconnected from the tumbler drive motor for shipping. Reconnect V-belts before starting the
dryer.
113409-8 www.adclaundry.com 9
2. If more headroom is needed when moving the dryer into position, the top console (module) may be removed.
a. To Remove Top Console (module)...
1) Disconnect the ground wire (A in the illustration below) located at the rear upper left corner of the dryer.
2) Remove the eight (8) sets of nuts and washers (B in the illustration below) holding the console (module)
to the base.
3) Disconnect the white plug connector (C in the illustration below) located on the top of the rear electric
service/relay box (provides power to the heat circuit).
4) Disconnect air connection from the 3-way micro valve.
5) Lift the console (module) off of the dryer base.
IMPORTANT: The dryer must be transported and handled in an upright position at ALL times.
10 American Dryer Corp. 113409-8
C. DRYER ENCLOSURE REQUIREMENTS
Bulkheads and partitions should be made of noncombustible material.
NOTE: Allowances must be made for opening the control door.
A 40-inches (101.6 cm) for optimum opening of load door.
B The maximum thickness of the bulkhead is 4-inches (10.16 cm).
C A minimum overhead clearance of 12-inches (30.48 cm) is required, providing no sprinkler is located above the
dryer.
D The dryer should be positioned 24-inches (60.96 cm) away from the nearest obstruction and 36-inches (91.44 cm)
is recommended for ease of installation, maintenance, and service.
E 2-inch (5.08 cm) minimum is required for opening the control door.
F Flooring should be level or below dryer cabinet for ease of removing panels during maintenance.
G The 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, along with the removal of panels during maintenance.
113409-8 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 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. An unrestricted
source of air is necessary for each dryer. As a general rule, an unrestricted air entrance from the outdoors (atmosphere)
of a minimum of 3.25 square feet (0.30 square meters) is required for each dryer.
To compensate for the use of registers or louvers used over the openings, this make-up air must be increased by
approximately thirty-three percent (33%). Make-up air openings should not be located in an area directly near where
exhaust vents exit the building.
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 six (6) dryers, two (2) unrestricted openings measuring 3.25 feet by 3 feet (0.99 meters by
0.91 meters) are acceptable.
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.
NOTE: Component failure due to dry cleaning solvent fumes will VOID THE WARRANTY.
12 American Dryer Corp. 113409-8
E. EXHAUST REQUIREMENTS
1. General Exhaust Ductwork Information
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 tumbler hi-heat thermostats. 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.
CAUTION: IMPROPERLY SIZED OR INSTALLED EXHAUST DUCTWORK CAN CREATE A
POTENTIAL FIRE HAZARD.
NOTE: When a dryer is exhausted separately, it is recommended that a back draft damper be installed.
NOTE: When dryers are exhausted into a multiple (common) exhaust line, each dryer must be supplied with a
back draft damper.
The 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. Single or independent dryer venting is recommended.
When single dryer venting is used, the ductwork from the dryer to the outside exhaust outlet should not exceed 15
feet (4.57 meters). In the case of multiple (common) dryer venting, the distance from the last dryer to the outside
exhaust outlet should not exceed 15 feet (4.57 meters). The shape of the ductwork is not critical as long as the
minimum cross-sectional area is provided. It is suggested that the use of 90º turns be avoided; use 30º and/or 45º
bends/angles instead. The radius of the elbows should preferably be 1-1/2 times the diameter of the duct.
Excluding tumbler/dryer elbow connections or elbows used for outside protection from the weather, no more than
three (3) elbows should be used in the exhaust duct run. If more than three (3) elbows are used, the crosssectional area of the ductwork must be increased in proportion to the number of elbows used.
ALL 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. Inspection doors
should be installed at strategic points in the exhaust ductwork for periodic inspection and cleaning of lint from the
ductwork.
IMPORTANT: Exhaust back pressure measured by a manometer in the exhaust duct must be no less than 0
and must not exceed 0.6 inches (1.48 mb) of water column (W.C.).
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.
113409-8 www.adclaundry.com 13
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