ADC HB50 Administrator Guide

HB50 / ES50 / M50ES
Installation/Operator Manual
ADC Part No. 113014-14
American Dryer Corporation
88CurrantRoad
FallRiverMA02720-4781USA
Telephone:[phone] / Fax:[phone]
e-mail:[e-mail]
www.adclaundry.com
AVERTISSEMENT:Assurez-vousdebien
suivrelesinstructionsdonnéesdanscette
noticepour réduireau minimumle risque
d’incendie ou d’explosion ou pour éviter
toutdommagematériel,touteblessureou
lamort.
—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
fournisseurdegaz.
WARNING:Foryoursafetytheinformation
in this manual must be followed to
minimize the risk of fire or explosion and
to prevent property damage, personal
injuryordeath.
— 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,
serviceagency orthe gas supplier.

2 American Dryer Corp. 113014-14
FOR YOUR SAFETY
Donot store or use gasoline or other
flammablevapors andliquids inthe
vicinityof thisor anyother appliance.
POUR VOTRE SÉCURITÉ
Nepas entreposer ni utiliser d’essence ni d’autres
vapeursou liquides inflammablesà proximitéde
cetappareil ou de toutautre appareil.
Wehave triedtomake thismanualas completeas possible andhope you willfind ituseful. Themanufacturer 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:
DATEOFPURCHASE _________________________________________________________ MODEL NO. ______________
RESELLER’SNAME ___________________________________________________________________________________
SERIALNUMBER(S) ___________________________________________________________________________________
____________________________________________________________________________________________________
____________________________________________________________________________________________________
Replacement parts can be obtained from your reseller or theADC factory. When ordering replacement parts from the
factory, you can FAX your order to ADC at [phone] or telephone your order directly to the ADC Parts
Departmentat+1(508)678-9000. Pleasespecifythedryermodelnumberandserialnumberin 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 isnecessary torefer tothe technicalinstructions whichwill providethe necessaryinformation 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
Thisproduct embodiesadvanced conceptsinengineering, design,and safety. Ifthis productis properlymaintained,it
willprovide manyyears ofsafe, efficient, andtrouble freeoperation.
Only qualified technicians should service this equipment.
OBSERVE ALL SAFETY PRECAUTIONSdisplayedonthe equipmentorspecifiedintheinstallationmanualincluded
with the dryer.
The following “FOR YOUR SAFETY” caution mustbe postednear thedryer ina prominentlocation.
“IMPORTANT NOTE TO PURCHASER”
Information must be obtained from your local gas supplier on the
instructionstobefollowediftheusersmellsgas. Theseinstructions
mustbe postedin aprominent locationnear the dryer.

113014-14 www.adclaundry.com 3
Safety Precautions ....................................................... 4
Specifications ............................................................... 6
Installation Procedures ................................................ 8
Location Requirements ............................................. 8
Unpacking / Setting Up............................................... 8
Dryer Enclosure Requirements................................. 8
Fresh Air Supply Requirements................................. 9
Exhaust Requirements .............................................. 9
Electrical Information................................................ 11
Gas Information ........................................................ 13
Gas Pressure Testing .............................................. 17
Steam Information .................................................... 18
Water Information ..................................................... 19
Preparation for Operation / Start-Up ........................ 19
Preoperational Test .................................................. 20
Preoperational Instructions...................................... 20
Shutdown Instructions ............................................. 21
Service / Parts Information ........................................ 21
Service ...................................................................... 21
Parts .......................................................................... 21
Warranty Information ................................................. 21
Returning Warranty Cards ....................................... 21
Warranty .................................................................... 21
Returning Warranty Parts ......................................... 21
Routine Maintenance .................................................. 22
Data Label Information ............................................... 23
Programming .............................................................. 24
Table of Contents ___________________
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.
!WARNING
IMPORTANT
You must disconnect and lockout the electric supply
and the gas supply or the steam supply before any
covers or guards are removed from the machine to
allow access for cleaning, adjusting, installation, or
testing of any equipment per OSHA standards.
Please observe all safety precautions displayed on
the equipment and/or specified in the installation
manual included with the dryer.
Before installation, check that the local distribution
conditions, nature of gas and pressure, and
adjustment of the appliances are compatible.
CAUTION
Dryer(s) should never be left unattended while in
operation.
Whendiscarding or storingyour oldclothes dryer,
remove the door.
Lorsque vous entreposez ou mettez votre
sécheuse au rebut, enlevez-en la porte.
“Caution: Label all wires prior to disconnection when
servicingcontrols. Wiringerrorscan cause improper
operation.”
«Attention:Aumomentdel’entretiendes commandes,
étiquetez tous les fils avant de les débrancher. Des
erreurs de câblage peuvent entraîner un
fonctionnement inadéquat et dangereux.»
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.
Thewiringdiagramforthedryerislocated behind the
control panel.
IntheStateofMassachusetts,the following installation
instructions apply:
■Installations and repairs must be performed by a
qualifiedorlicensedcontractor, plumber,orgasfitter
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.
WARNING
Childrenshouldnotbe allowed to play on ornear
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.
Ifthehi-limit switch trips, aservicecallis required
to investigate the reason and resolve the issue.
List of Acronyms ________________________________
HVAC Heating, Ventilating, and Air-Conditioning
inWC Inches of Water Column
L.C.D. Liquid Crystal Display
L.P. Liquid Propane
OSHA Occupational Safety and Health Administration
R.M.A. Return Material Authorization
UL Underwriters Laboratory

4 American Dryer Corp. 113014-14
Safety Precautions ___________________
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 loss of life.
The dryer must never be operated with any of the back
guards, outer tops, or service panels removed.
Personal injury or fire could result.
Failure to properly install, maintain, and/or operate
dryer according to this manual and operator’s manuals
included with dryer may result in conditions, which can
cause serious injury, death and/or property damage.
Do not store or use gasoline or other flammable vapors
and liquids in the vicinity of this or any other appliance.
Do not spray aerosols in the vicinity of this appliance while
it is in operation.
Purchaser and 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.
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 gas supplier.
Dryers must be exhausted to the outdoors.
Although the manufacturer 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, combustible detergents, industrial chemicals,
or “all purpose” cleaner. Explosion could result.
Do not dry rags or articles coated or contaminated with
gasoline, kerosene, oil, paint, or wax. Explosion could
result.
Items that have been spotted or soaked with vegetable
or cooking oil constitute a fire hazard and should not be
placed in a tumble dryer.
Do not dry mop heads. Contamination by wax or
flammable solvents will create a fire hazard.
Do not use heat for drying articles that contain plastic,
foam, sponge rubber, or similarly textured rubber
materials. Drying in a heated tumbler may damage
plastics or rubber and also may be a fire hazard.
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.
Do not operate steam dryers with more than 150 psi (10.34
bar)steampressure. Excessive steam pressure can damage
the steam coil and/or harm personnel.
Replace leaking flexible hoses or other steam fixtures
immediately. Do not operate the dryer with leaking flexible
hoses. Personal injury may result.
Warning
The collection of lint in the burner area and
exhaust ductwork can create a potential fire
hazard.
For personal safety, the dryer must be electrically grounded
inaccordance with local and/orcountrycodes. In the absence
of these codes use 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 electrically ground the dryer properly will
void the warranty.
Warning
Personal injury or fire could result should the
dryer door switch, lint door/drawer, or heat
safety circuit ever be disabled.
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.
For safety, proper operation, and optimum performance, the
dryer must not be operated with a load less than 66% 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 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).
The operation of this appliance may affect the operation of
other types of gas appliances, which take their air for safe
combustion from the same room. If in doubt, consult the
appliance manufacturer(s).
Use this dryer only for its intended purpose, drying fabrics.
!
!
!
!
!
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113014-14 www.adclaundry.com 5
NOTES _____________________________________________________
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!
!
!
The “Cool Down” Cycle of tumble dryers should be used to
reduce the temperature of the items. They should not be
removed from the tumble dryer or piled or stacked while
hot.
Fabric softeners or similar products should not be used in a
tumble dryer to eliminate the effects of the static electricity,
unless this practice is specifically recommended by the
manufacturer of the fabric softener or product.
Warning
To reduce the risk of personal injury, install
lockable doors to prevent public access to the
rear of the dryers.
Exhaust duct outlet should be checked periodically for
blockages, and if any found, removed.
IMPORTANT: A means of restraint must be used to
prevent straining of the gas supply when the appliance is
moved.
An external means of power removal (disconnect device)
must be provided by the installer.
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.
Warning
This appliance must only operate with the gas
type indicated on the dryer’s data plate. If the
appliance is converted (gas type is changed), a data
plate amendment must be obtained from American
Dryer Corporation.
This appliance may cause spillage of products of
combustion from an open-flue appliance fitted in the
same room, and that such an appliance shall be tested
for clearance of products with the appliance in
operation and all windows and doors closed.
Warning
Disconnect power before resetting the hi-limit.
The hi-limit is located on the top front of the lint
box. Press and release and the hi-limit will reset.

6 American Dryer Corp. 113014-14
MAXIMUM CAPACITY (DRY WEIGHT) 50 lb 22.68 kg
TUMBLER DIAMETER 37” 93.98 cm
TUMBLER DEPTH 25-3/4” 65.41 cm
TUMBLERVOLUME 16.02 cu ft 453.64 L
TUMBLER/DRIVE MOTOR 3/4 hp 0.56 kW
BLOWER/FAN MOTOR 1/2 hp 0.37 kW
DOOROPENING (DIAMETER) 27-3/8” 69.53 cm
DOORSILLHEIGHT 31-1/4” 79.375 cm
WATER CONNECTION 3/4”-11.5 NH
(North America)
3/4” B.S.P.T. (Outside North America)
DRYERS PER 20’/40’ CONTAINER 10 / 22
DRYERS PER 53’ TRUCK 28
VOLTAGE AVAILABLE 120-240V 1ø 2,3w 50/60 Hz
APPROXIMATE NET WEIGHT 610 lb 276.69 kg
APPROXIMATE SHIPPING WEIGHT 640 lb 290.30 kg
AIRFLOW 60 Hz 600 cfm 17.00 cmm
50 Hz 500 cfm 14.16 cmm
HEATINPUT 110,000 Btu/hr 27,720 kcal/hr
EXHAUST CONNECTION (DIAMETER) 8” 20.32 cm
COMPRESSED AIR CONNECTION N / A
COMPRESSED AIR VOLUME N / A
INLET PIPE CONNECTION 1/2” M.N.P.T.
1/2” F.B.S.P.T.
(CE and Australia Only)
VOLTAGE AVAILABLE 200-416V 1,3ø 3,4w 50/60 Hz
APPROXIMATE NET WEIGHT 610 lb 276.69 kg
APPROXIMATE SHIPPING WEIGHT 640 lb 290.30 kg
AIRFLOW 60 Hz 600 cfm 17.00 cmm
50 Hz 500 cfm 14.16 cmm
EXHAUST CONNECTION (DIAMETER) 8” 20.32 cm
COMPRESSED AIR CONNECTION N / A
COMPRESSED AIR VOLUME N / A
OVEN SIZE
kW Btu/hr kcal/hr
13.4 45,869 11,559
14.7 50,136 12,634
14.8 50,545 12,737
16.0 54,606 13,761
22.0 75,084 18,920
VOLTAGE AVAILABLE 120-240V 1ø 2,3w 50/60 Hz
APPROXIMATE NET WEIGHT 610 lb 276.69 kg
APPROXIMATE SHIPPING WEIGHT 640 lb 290.30 kg
AIRFLOW 60 Hz 600 cfm 17.00 cmm
50 Hz 500 cfm 14.16 cmm
STEAM CONSUMPTION 107 lb/hr 48.53 kg/hr
OPERATING STEAM PRESSURE 150 psi max 10.34 bar
EXHAUST CONNECTION (DIAMETER) 8” 20.32 cm
COMPRESSED AIR CONNECTION N / A
COMPRESSED AIR VOLUME N / A
BOILER HORSEPOWER (NORMAL LOAD) 3 Bhp
SUPPLYCONNECTION 3/4” F.N.P.T.
RETURN CONNECTION 3/4” M.N.P.T.
Specifications _____________________________________________________________________
NOTE: The manufacturer reserves the right to make changes in specifications at any time without notice or obligation.
GASELECTRICSTEAM
Shaded areas are stated in metric equivalents 6/10/13

113014-14 www.adclaundry.com 7
Specifications _____________________________________________________________________

8 American Dryer Corp. 113014-14
Installation Procedures ______________
Installation should be performed by competent professional
in accordance with local, state, and country 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,theinstallation must conform toapplicable 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) or Canadian
Electrical Codes Parts 1 & 2 CSA C22.1-1990 or LATEST
EDITION (for Electrical Connections).
Location Requirements ______________
Before installing the dryer, be sure the location conforms to
local, state, and country codes. In the absence of such codes
or ordinances the location must conform with the National
FuelGas CodeANSI.Z223.1 LATESTEDITION, 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.
The dryer must not be installed or stored in an area where it
will be exposed to water and/or weather.
Dryers installed in residential garages must be elevated
18-inches (45.72 cm) above the floor.
Provisions for adequate air supply must be provided as noted
in this manual (refer to Fresh Air Supply Requirements
section).
Clearance provisions must be made from combustible
construction as noted in this manual (refer to Dryer Enclosure
Requirements section).
Provisions must be made for adequate clearances for
servicing and for operation as noted in this manual (refer to
Dryer Enclosure Requirements section).
The dryer must be installed with a proper exhaust duct
connection to the outside as noted in this manual (refer to
Exhaust Requirements section).
The dryer must be located in an area where correct exhaust
venting can be achieved as noted in this manual (refer to
Exhaust Requirements section).
IMPORTANT: The dryer should be located where a
minimum amount of exhaust ducting will be necessary.
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.
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).
Unpacking / Setting Up _______________
Remove protective shipping material (i.e., plastic wrap and
optional shipping box) from the dryer.
IMPORTANT: Dryer must be transported and handled in
an upright position at all times.
Thedryercan be moved to itsfinallocation while still attached
to the skid or with the skid removed. To remove the skid
locate and remove the 2 bolts securing the base of the dryer
to the wooden skid. One is located at the center rear and the
other is at the center front.
With the skid removed, use caution and assure all four
leveling legs are fully retracted, if the dryer is to be slid into
its final position.
Leveling Dryer
The dryer is equipped with 4 leveling legs, 1 at each corner
of the base. For optimum performance the dryer should be
level front-to-back and side-to-side.
Dryer Enclosure Requirements _______
Commercial Type II
Bulkheads and partitions should be made of
noncombustible material.
NOTE: Allowances must be made for opening the control
door.
A The requirement to allow the door to open completely
is 40-inches (101.6 cm).
B A minimum overhead clearance of 6-inches (15.24 cm)
is required.
C Dryer should be positioned a minimum of 12-inches
(30.48 cm) away from the nearest obstruction. 24-inches
(60.96 cm) is recommended for ease of installation,
maintenance, and service.
D 1/16” (1.5875 mm) minimum is required.
E Flooring should be level or below dryer cabinet for ease
of removing panels during maintenance.
F 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.

113014-14 www.adclaundry.com 9
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,dryingtime and drying efficiencywill beadversely
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 110 inch2(710 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.
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.
NOTE: Component failure due to dry cleaning solvent
fumes will void the warranty.
EXAMPLE: For a bank of four dryers, two unrestricted openings measuring
15-inches by 15-inches (38.1 cm by 38.1 cm) are acceptable.
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.
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-limits, or lint chamber hi-limit
protector thermostat. The dryer must be installed with a
proper exhaust duct connection to the outside.
The dryer shall not be exhausted into any gas vent, chimney,
wall, ceiling or concealed space of a building.
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.
Improperly sized or installed exhaust ductwork can create
a potential fire hazard.
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. There should be a minimum
6-inch (15.24 cm) clearance between the back guard and
the first bend in the ductwork for ease of servicing. Single or
independent dryer venting is recommended. It is suggested
that the use of 90° turns be avoided; use 30° and/or 45°
bends instead. The radius of the elbows should preferably
be 1-1/2 times the diameter of the duct. All ductwork should
be smooth inside with no projections from sheet metal
screws or other obstructions, which will collect lint. When
adding ducts, overlap the duct being connected. All ductwork
joints must be taped to prevent moisture and lint from
escaping into the building. This unit is fitted with an integral
backdraft damper (inside the 8” [20.32 cm] exhaust
connection). Inspection doors should be installed at strategic
points in the exhaust ductwork for periodic inspection and
cleaning of lint from the ductwork.
IMPORTANT: It is recommended that exhaust or booster
fans not be used in the exhaust ductwork system.
Exhaust back pressure measured by a manometer/
magnehelic in the exhaust duct must be no less than 0
and must not exceed 0.6 in WC (1.48 mb).
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.
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.”
The ductwork for this appliance must be suitable for the
appliance category in accordance with national installation
regulations of the country of destination.
A = 15-inches (38.1 cm)
B = 15-inches (38.1 cm)

10 American Dryer Corp. 113014-14
NOTE 1 Opening from combustible materials must be 2-inches (5.08 cm)
larger than the duct (all the way around). The duct must be centered
within this opening.
NOTE 2 Distance should be 2 times the diameter of the duct to the nearest
obstruction.
Multiple Dryer (Common) Venting
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 HVAC firm
should be consulted for proper venting information.
If it is not feasible to provide separate exhaust ducts for each
dryer, ducts from individual dryers may be channeled into a
“common main duct.” The individual ducts should enter the
bottom or side of the main duct at an angle not more than
45º in the direction of airflow. The main duct should be
tapered, with the diameter increasing before each individual
duct is added.
IMPORTANT: No more than 4 dryers should be
connected to 1 main common duct.
The illustration on the next page shows the minimum cross-
sectional area for multiple dryer round or square venting.
These figures must be increased if the main duct run from
the last dryer to where it exhausts to the outdoors is longer
than 20 feet (6.1 meters) or has more than 1 elbow in it.
A = 25 feet (7.62 meters)
B = 8” (20.32 cm)
Outside Ductwork Protection
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 (refer
to the diagram).
IMPORTANT: Do not use screens, louvers, or caps on the
outside opening of the exhaust ductwork.
Single Dryer Venting
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 HVAC firm
should be consulted for proper venting information.
Horizontal Venting
When horizontal dryer venting is used, the length of the
ductwork from the dryer to the outside exhaust outlet, must
not exceed 25 feet (7.62 meters). The minimum diameter of
this ductwork must be at least 8-inches (20.32 cm). Including
tumbler/dryer elbow connections or elbows used for outside
protection from the weather, no more than 1 elbow should be
used in the exhaust duct run. If more than 1 elbow is used,
the cross-sectional area of the ductwork must be increased.
Vertical Venting
Whenvertical dryer venting is used,the length of theductwork
from the dryer to the outside exhaust outlet, must not exceed
25feet (7.62 meters). The minimum diameterof this ductwork
must be at least 8-inches (20.32 cm). Including tumbler/dryer
elbow connections or elbows used for outside protection from
the weather, no more than 3 elbows should be used in the
exhaust duct run. If more than 3 elbows are used, the cross-
sectional area of the ductwork must be increased.
C = 25 feet (7.62 meters)
D = 8” (20.32 cm)

113014-14 www.adclaundry.com 11
NOTE 1 Opening from combustible materials must be 2-inches (5.08 cm)
larger than the duct (all the way around). The duct must be centered
within this opening.
NOTE 2 Distance should be 2 times the diameter of the duct to the nearest
obstruction.
Multiple Dryer Venting with 8-Inch (20.32 cm) Diameter
560 cfm (15.85 cmm) Exhaust Connections at Common Duct
Electrical Information ________________
Electrical Requirements
All electrical connections must be made by a properly
licensed and competent electrician. This is to ensure that
the electrical installation is adequate and conforms to local,
state, and national regulations or codes of the country of
origin. In the absence of such codes, all electrical
connections, materials, and workmanship must conform to
the applicable requirements of 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
LATESTEDITION.
IMPORTANT: Failure to comply with these codes or
ordinances, and/or the requirements stipulated in this
manual can result in personal injury or component failure.
NOTE: Component failure due to improper installation will
void the warranty.
Each dryer should be connected to an independently
protected branch circuit. The dryer must be connected with
copper wire only. Do not use aluminum wire, which could
cause a fire hazard. The copper conductor wire/cable must
be of proper ampacity and insulation in accordance with
electric codes for making all service connections.
NOTE: The use of aluminum wire will void the warranty.
An individual ground circuit must be provided to each
dryer, do not daisy chain.
Component failure due to improper voltage application
will void the warranty.
The manufacturer reserves the right to make changes in
specifications at any time without notice or obligation.
A = 8-inch (20.32 cm)
B =20 feet (6 meters)
!
IMPORTANT: A separate protected circuit must be
provided to each dryer.
The dryer must be connected to the electric supply shown
on the data label. In the case of 208 VAC or 240 VAC, the
supply voltage must match the electric service
specifications of the data label exactly.
The wire size must be properly sized to handle the related
current.
Warning
208 VAC and 240 VAC are not the same. Any
damage done to dryer components due to
improper voltage connections will automatically void
the warranty.
Warning (Gas Models Only)
Dryers built for use with a voltage between 200
and 240 must verify the input voltage during
installation. If the nominal voltage is outside of the
medium tolerances shown on the diagram below,
adjust the autotransformer, located near the burner
!
TERM LINE VOLTAGE
50 Hz 60 Hz
HIGH
260
226 283 249
MED
239
208 260 230
LOW
217
189 236 208
assembly. To adjust the
autotransformer wiring,
place the red wire on the
appropriate tap (HIGH, MED,
LOW) of the
autotransformer. For
additional wiring details,
refer to the electrical
diagram located on the
inside of the control panel.
Electrical Service Specifications
Gas and Steam Models Only
3/4/14
NUMBER OF DRYERS 4 3 2 1
MINIMUM CROSS-
SECTIONAL AREA SQ IN 150 120 80 54
SQ CM 967.7 774.2 516.1 348.4
MINIMUM ROUND
DUCT DIAMETER IN 14 12 10 8
CM 35.56 30.48 25.4 20.32
ELECTRICAL SERVICE SPECIFICATIONS
IMPORTANT:
NOTES: A.
B.
C.
208 VAC AND 230/240 VAC ARE NOT THE SAME. When ordering,
specify exact voltage.
When fuses are used they must be dual element, time delay, current
limiting, class RK1 or RK5 ONLY. Calculate/determine correct fuse
value, byapplying either local and/or National Electrical Codes to
listed appliance amp draw data.
Circuit breakers are thermal-magnetic (industrial) motor curve type
ONLY. For others, calculate/verify correct breaker size according to
appliance amp draw rating and type of breaker used.
Circuit breakers for 3-phase (3ø) dryers must be 3-pole type.
SERVICE
VOLTAGE PHASE WIRE SERVICE
APPROX.
AMP DRAW CIRCUIT
BREAKER
60 Hz 50 Hz
GAS
120 1ø 2 15 — 20
200 1ø 2 8.6 — 15
208 1ø 2 8.7 — 15
220 1ø 2 12 8.8 15
230 1ø 2 8.8 8.8 15
240 1ø 2 9.1 8.8 15
STEAM
120 1ø 2 15.2 — 20
200 1ø 2 6.7 — 15
208 1ø 2 6.8 — 15
220 1ø 2 6.9 6.8 15
230 1ø 2 — 6.8 15
240 1ø 2 7.1 — 15

12 American Dryer Corp. 113014-14
3/4/14
Grounding
A ground (earth) connection must be provided and installed
in accordance with local, state, and national regulations or
codes of the country of origin. In the absence of these codes,
grounding must conform to applicable requirements of the
National Electrical Code ANSI/NFPA NO. 70-LATEST
EDITION, or in Canada, the installation must conform to
applicable Canada Standards: Canadian Electrical Codes
Parts 1 & 2 CSA C22.1-1990 or LATEST EDITION. The
ground connection may be to a proven earth ground at the
location service panel.
200-240V Application
without Neutral
Electric Models Only
All electrically heated dryers must be connected to the
electric service shown on the dryer’s data label. The
connecting wires must be properly sized to handle the rated
current.
CAUTION: The dryer must be grounded. A ground lug has
been provided for this purpose.
Input connection wiring must be sized properly to handle
the dryer’s current draw. This information is printed on the
dryer’s data label.
For added personal safety, when possible, it is suggested
that a separate ground wire (size per local codes) be
connected from the ground connection of the dryer to a
grounded cold water pipe. Do not ground to a gas pipe or hot
water pipe. The grounded cold water pipe must have
metal-to-metal connection all the way to the electrical ground.
If there are any nonmetallic interruptions, such as, a meter,
pump, plastic, rubber, or other insulating connectors, they
must be jumped out with a wire (size per local codes) and
securely clamped to bare metal at both ends.
IMPORTANT: For personal safety and proper operation,
the dryer must be grounded.
Provisions are made for ground connection in each dryer at
the electrical service connection area.
Electrical Connections
A wiring diagram is located behind the control panel for
connection data.
If local codes permit, power to the dryer can be made by the
use of a flexible UL listed power cord/pigtail (wire size must
conform to rating of dryer), or the dryer can be hard wired
directly to the service breaker panel. In both cases, a strain
relief must be installed where the wiring enters the dryer.
For CE Models Only
The means for disconnection from the supply must be
incorporated into wiring having a minimum contact separation
of 3.0 mm in all poles.
Single-Phase (1ø) Wiring Connections / Hookup
The electrical input connections are made into the rear
service box located at the upper right area of the dryer. The
ground connection is made to the copper lug, also provided
in this box. To gain access, the service box cover must be
removed.
Gas and Steam Models Only
120-240V Application
with Neutral
ELECTRICAL SERVICE SPECIFICATIONS
IMPORTANT:
NOTES: A.
B.
C.
208 VAC AND 230/240 VAC ARE NOTTHE SAME. When ordering,
specify exact voltage.
When fuses are used they must be dual element, time delay, current
limiting, class RK1 or RK5 ONLY. Calculate/determine correct fuse
value, by applying either local and/or National Electrical Codes to
listed appliance amp draw data.
Circuit breakers are thermal-magnetic (industrial) type ONLY. For
others, calculate/verify correct breaker size according to appliance
amp draw rating and type of breaker used.
Circuit breakers for 3-phase (3ø) dryers must be 3-pole type.
SERVICE
VOLTAGE PHASE WIRE SERVICE OVEN kW
APPROX.
AMP DRAW CIRCUIT
BREAKER
60 Hz 50 Hz
200 1ø 2 14.8 86.7 —125
208 1ø 2 16.0 89.9 —125
220 1ø 2 13.4 72.8 —100
220 1ø 2 13.4 —70.4 90
230 1ø 2 14.7 —73.2 100
240 1ø 2 16.0 78.0 —100
208 3ø 3 16.0 57.2 —80
220 3ø 3 13.4 47.0 —60
220 3ø 3 13.4 —44.6 60
230 3ø 3 14.7 —46.2 60
240 3ø 3 16.0 49.8 —80
380 3ø 4 13.4 32.0 29.6 40
400 3ø 4 14.8 —32.2 50
416 3ø 4 16.0 —31.2 40
220 1ø 2 18.5 —70.4 90
230 1ø 2 20.4 —73.2 100
220 3ø 3 18.5 —44.6 60
230 3ø 3 20.4 —46.2 60
380 3ø 4 18.5 —29.6 40
400 3ø 4 20.4 —32.2 50
416 3ø 4 22.0 —31.2 40
DUAL VOLTAGE 460 / 120
120 1ø 2 —21.0 —15
460 3ø 3 13.4 16.9 —25
DUAL VOLTAGE 480 / 120
120 1ø 2 —11.4 —15
480 3ø 3 22.0 26.5 —40
DUAL VOLTAGE 480 / 120
120 1ø 2 —11.4 —15
480 3ø 3 16.0 19.2 —25
DUAL VOLTAGE 480 / 220
220 1ø 2 —10.7 —15
480 3ø 3 16.0 19.2 —25
DUAL VOLTAGE 480 / 230
230 1ø 2 —10.6 —15
480 3ø 3 16.0 19.2 —25
DUAL VOLTAGE 480 / 240
240 1ø 2 —10.6 —15
480 3ø 3 16.0 19.2 —25

113014-14 www.adclaundry.com 13
3-Phase (3ø) Oven Wiring with Single Phase (1ø)
Motor / Controls Wiring Connections / Hookup
Gas Information ______________________
It is your responsibility to have all plumbing connections,
materials, and workmanship conform to local and state
regulations or codes of the country of destination. In the
absence of such codes, all plumbing connections,
materials, and workmanship must conform to the applicable
local requirements. In the USA this is the National Fuel Gas
Code ANSI Z223.1-LATEST EDITION, or in Canada, the
Canadian Installation Codes CAN/CGA-B149.1-M91
(NaturalGas)or CAN/CGAB149.2-M91 (L.P. Gas)or LATEST
EDITION.
In Australia, the fuel gas code is AS 5601/AG 601, local
authority, gas, electricity, and any other relevant statutory
regulations.
It is important that gas pressure regulators meet applicable
pressure requirements, and that gas meters be rated for
the total amount of all the appliance Btu being supplied.
IMPORTANT: Failure to comply with these codes or
ordinances, and/or the requirements stipulated in this
manual, can result in personal injury and improper
operation of the dryer.
For ease of service, the individual gas supply line of each
dryer must have its own manual shutoff valve.
NOTE: The dryer must be isolated from the gas supply
piping system by closing its individual manual shutoff
valve during any pressure test of the gas supply system at
test pressures equal to or less than 1/2 psig (3.5 kPa) for
non-CE dryers or 50 mb for CE dryers.
Failure to isolate or disconnect the dryer from supply as
noted can cause irreparable damage to the gas valve,
voiding the warranty.
Warning
Fire or explosion could result from failure to
isolate or disconnect the gas supply as noted.
NOTE: Undersized gas piping will result in ignition
problems, slow drying, increased use of energy, and can
create a safety hazard.
Thedryermust be connected to thetypeof heat/gas indicated
on the data label and pressure must be confirmed. If this
information does not agree with the type of gas available,
do not operate the dryer. Contact the reseller who sold the
dryer or contact the manufacturer.
The input ratings shown on the data label are for elevations
up to 2,000 feet (610 meters), unless elevation requirements
of over 2,000 feet (610 meters) were specified at the time
the dryer order was placed with the factory. The adjustment
or conversion of dryers in the field for elevations over 2,000
feet (610 meters) is made by changing each burner orifice.
If this conversion is necessary, contact the reseller who sold
the dryer or contact the manufacturer.
IMPORTANT: If connection to this appliance is made with
a flexible hose, it must be suitable for the appliance
category in accordance with national installation
regulations of the country of destination, and if in doubt
the installer must contact the supplier. The manufacturer
of this appliance does not recommend the use of flexible
gas supply line/hose. An external gas supply shutoff must
be provided.
!
3-Phase (3ø) Wiring Connections / Hookup
IMPORTANT: A strain relief must be used where the input
wiring enters the oven assembly.
Electrically Heated Models Only
The electrical input connections are made at the rear service
boxlocatedat the right upper sectionofthe dryer. The ground
connection is made to a copper lug also provided in this
area. To gain access, remove rear service cover.
208-416 Volt Applications
The electrical input connections to the dryer are the
3-phase (3ø) power leads (L1, L2, L3, and sometimes
neutral) and ground. Single-phase (1ø) power for the control
circuit and for any single-phase (1ø) motors (if present) is
doneinternally to thedryer by thefactory at theoven contactor.
The neutral will only be used on 4-wire service. This is
typical for 380-416V, 50 Hz.
440-480 Volt Applications
The electrical input connections to the dryer are made
through two different terminal blocks, one for the 3-phase
(3ø) power to supply the oven and one for the single-phase
(1ø) power for the motor and controls.
CAUTION: The dryer must be grounded. A ground lug has
been provided for this purpose.
Input connection wiring must be sized properly to handle
the dryer’s current draw. This information is printed on the
dryer’s data label.
Electric Models Only
Single-Phase (1ø) Wiring Connections / Hookup

14 American Dryer Corp. 113014-14
Gas Specifications for CE Approved Dryers**
Gas
Type
Nominal
Heating Value Supply Pressure*** Gross Heat Input Fuel
Consumption Orifice Size Orifice
(Injector)
Quantity
Burner
Pressure
Btu/ft3mb Btu/hr kW DMS mm mb
Natural (I2H/I2E)1,000 15-30 110,000 32.24 3.115 M3/H 22 3.988 26.9
Natural (I2L)830
20-35 110,000 32.24 3.753 M3/H 22 3.988 29.5
Natural (I2ELL)83015-30 110,000 32.24 3.753 M3/H 22 3.988 29.5
*Natural (I2E+)1,000 20 110,000 32.24 3.115 M3/H 31 3.048 2—
830 25 110,000 32.24 3.753 M3/H 31 3.048 2—
*Butane (I3+)3,175
28-30 110,000 32.24 2.324 kg/H 48 1.930 2—
*Propane (I3+)2,500 37 110,000 32.24 2.324 kg/H 48 1.930 2—
Butane (I3B/P)3,175
28-30/50 110,000 32.24 2.324 kg/H 44 2.184 218.1
Propane (I3P)2,500
28-30/50 110,000 32.24 2.324 kg/H 44 2.184 224.9
Heat Input / Gas Consumption / Orifice (Injector) Data
Shaded areas are stated in metric equivalents
* Gas valve’s internal regulator disabled.
** Consult factory for elevations over 2,000 feet (610 meters) for correct orifice size.
Heat Input / Gas Consumption / Orifice (Injector) Data (For CE [European] Models Only)
Gas Specifications for Non-CE and Non-AGAApproved Dryers**
Gas
Type
Nominal
Heating Value Supply Pressure Gross Heat Input Orifice Size Orifice
(Injector)
Quantity
Burner
Pressure
Btu/ft
3
in WC Btu/hr kW DMS mm in WC
Natural 1,000 7.0-13.0 110,000 32.241 22 3.9878 23.0
*Liquid Propane 2,500 11.0 110,000 32.241 44 2.1840 210.0
Shaded areas are stated in metric equivalents
* Gas valve’s internal regulator disabled.
** Consult factory for elevations over 2,000 feet (610 meters) for correct orifice size.
***Nominal supply pressure.
Heat Input / Gas Consumption / Orifice (Injector) Data (For AGA [Australian] Models Only)*
Shaded areas are stated in metric equivalents
* Consult factory for elevations over 2,000 feet (610 meters) for correct orifice size.
Gas Specifications for AGA Approved Dryers (Australia)
Gas
Type
Supply
Pressure Gross Heat Input Orifice Size Orifice
(Injector)
Quantity
Burner
Pressure
kPa MJ/h DMS mm kPa
Natural 1.7-3.2 116.06 22 3.988 20.69
Propane 2.75 116.06 44 2.184 22.49
CE and Australian Dryers
There is an N.P.T. to B.S.P.T. adaptor included with each dryer, which must be installed to the gas inlet. The adaptor is shipped
in the tumbler.
IMPORTANT: Pipe joint compounds that resist the action of natural, propane, and butane gases must be used.

113014-14 www.adclaundry.com 15
Piping / Connections
Inlet Connection – 1/2” M.N.P.T.
CEandAustralian dryer connectionswill be B.S.P.T.,all others
will be N.P.T.
There should be a minimum 6-inch (15.24 cm) clearance
between the back guard and the first bend in the gas piping
for ease of servicing. It is recommended that a gas shutoff
valve be provided to the gas supply line of each dryer for
ease in servicing.
The size of the main gas supply line (header) will vary
depending on the distance this line travels from the gas meter
or, in thecaseof L.P.gas, the supply tank,other gas-operated
appliances on the same line, etc. Specific information
regarding supply line size should be determined by the gas
supplier.
NOTE: Undersized gas supply piping can create a low or
inconsistent pressure, which will result in erratic operation
of the burner ignition system.
TYPICALNATURALGAS INSTALLATION
Consistent gas pressure is essential at all gas connections.
It is recommended that a 3/4-inch (19.05 mm) pipe gas loop
be installed in the supply line servicing a bank of dryers. An
in-line pressure regulator must be installed in the gas supply
line (header) if the (natural) gas pressure exceeds 13.0 in
WC (32.34 mb) pressure.
A plugged tap, accessible for a pressure gauge connection,
must be installed in the main gas supply line immediately
upstream of the dryers.
IMPORTANT: Pipe joint compounds that resist the action
of natural, L.P., and butane gases must be used.
TYPICAL L.P. GAS INSTALLATION
!
!
Test all connections for leaks by brushing on a soapy
water solution (liquid detergent works well).
Warning
Never test for leaks with a flame!!!
Converting from One Family
of Gas to Another _____________________
Warning (CE Dryers)
This appliance must only be operated with the
gas type indicated on the dryer’s data plate. If
the appliance is converted (gas type changed), a data
plate amendment must be obtained from American
Dryer Corporation (dryer’s serial number is required to
purchase a conversion kit).
IMPORTANT: Any burner changes or conversions must
be made by a qualified professional.
The dryers manufactured for Belgium, Luxemburg,
Greece, Estonia, Slovak Republic, Iceland, Malta, Poland
and Cyprus cannot be converted from one family of gas to
another.
Conversion from Natural Gas
to Propane or Butane Gas
The following conversion allows the dryer to be operated
with either propane, butane, or LPG. The use of gas valve
kit (ADC P/N 140414) disables the internal regulator of the
gas valve. Therefore, the gas supply is ungoverned and an
external regulator must be provided at the source of the
supply (example L.P. tank) or the gas supply line to the dryer.
The type of L.P. kit supplied will depend on the country the
dryer is installed in.
Parts Required for Conversion:
Description ADCP/N Qty
Unregulated Gas Conversion Kit** 140414 2
OR
Regulated L.P. Gas Conversion Kit*** 140416 2
Burner Orifice (Injector) * 2
L.P. Conversion Label 114515 1
* Refer to page 14 for orifice (injector) size.
** Required for unregulated propane or butane only.
*** Required for regulated LPG or propane only.
Instructions
Disconnect electrical power to the dryer.
Close all shutoff valves in dryer’s gas supply line.
IMPORTANT: It is required that the following procedures
be performed on both burner assemblies.
Open the panel located just below the loading door.
Locatethegastrain and disconnect the union, three electrical
plugs, and the gas train mounting screws from the burner.
Carefully slide the gas train out of the gas train enclosure.
(The carbon ignitor located at the far end of the gas train is
very fragile.)
Remove two burner tube mounting screws and remove
burner tube in order to gain access to the orifice.

16 American Dryer Corp. 113014-14
Using a 3/8” wrench or socket, remove the existing orifice
and replace it with an orifice from the kit.
IMPORTANT: Use extreme care when removing and
replacing orifice (injector). This orifice (injector) is made of
brass, which is easily damaged.
Reinstall the burner tube onto the burner base.
Use a flat screwdriver to remove the regulator vent cap.
•For unregulated L.P. gas (most countries): install
blocking pin (ADC P/N 140414).
•For regulated L.P. gas (some countries): remove the
white plastic regulator adjustment screw (under vent
cap). Remove spring under screw and replace with
spring from kit (ADC P/N 140416). Replace regulator
adjustment screw.
Install the gas train back into the dryer gas train enclosure.
Be sure the tab at the rear of the gas train engages into the
mounting slot.
Connect the union and the 3 electrical plugs.
Affix L.P. Conversion Label (ADC P/N 114515) to the dryer’s
data label.
Complete L.P. Kit Conversion Confirmation Label (ADC P/N
114083) and affix this label as close as possible to the dryer’s
existing dryer rating (data) label/plate.
Non-CE Dryers
Affix L.P. Conversion Rating Label Addendum (ADC P/N
114090) as close as possible to the dryer’s existing dryer
rating (data) label/plate.
CE Dryers
Affix new data plate label that came with the conversion kit.
Open all shutoff valves, reconnect electrical power to the
dryer, and test for leaks.
IMPORTANT: Never test for leaks with an open flame!!!
Use a soapy water solution or product intended for that
purpose.
Unregulated Gas Valve
Regulate (govern) gas externally (refer to “Supply Pressure”
in chart on page 14) to the correct gas pressure for the gas
being used. Operate dryer through 1 complete cycle to
ensure proper operation.
Regulated Gas Valve
Refer to “Gas Pressure Adjustment” on page 17 to adjust
the gas valve to the appropriate burner pressure listed on
page 14. The supply pressure must also match what is
listed on page 14 for the type of gas to be used.
IMPORTANT: Conversions done improperly can result in
a fire or explosion!
Conversion from Propane
or Butane Gas to Natural Gas
The following conversion allows the dryer to be operated with
natural gas.
Parts Required for Conversion:
Description ADCP/N Qty
Vent Cap and Spring 140415 2
Burner Orifice (Injector) * 2
* Refer to page 14 for orifice (injector) size.
Instructions
Disconnect electrical power to the dryer.
Close all shutoff valves in dryer’s gas supply line.
IMPORTANT: It is required that the following procedures
be performed on both burner assemblies.
Open the panel located just below the loading door.
Locate the gas train and disconnect the union, 3 electrical
plugs, and the gas train mounting screws from the burner.
Carefully slide the gas train out of the gas train enclosure.
(The carbon ignitor located at the far end of the gas train is
very fragile.)
Remove 2 burner tube mounting screws and remove burner
tube in order to gain access to the orifice.
Using a 3/8” wrench or socket, remove the existing orifice
and replace it with an orifice from the kit.
IMPORTANT: Use extreme care when removing and
replacing orifice (injector). This orifice (injector) is made of
brass, which is easily damaged.
Reinstall the burner tube onto the burner base.
Select from the following 3 options, the conversion to be
performed:
•Converting from unregulated L.P. to regulated
natural gas: use a flat screwdriver to remove the cap
with blocking pin and install the regulator vent cap from
the kit (ADC P/N 140415).
•Converting from unregulated L.P. to unregulated
natural gas: no change to the regulator is required.

113014-14 www.adclaundry.com 17
Edge #1 for vent cap
Edge #2 for adjustment screw
!Warning (CE Dryers)
This appliance must only be operated with the
gas type indicated on the dryer’s data plate. If
the appliance is converted (gas type changed), a data
plate amendment must be obtained from American
Dryer Corporation.
Conversions done improperly can result in a fire or
explosion!
Gas Pressure Testing _________________
For proper operation, the gas pressure must be correct,
consistent and maintained at the gas pressure rates shown
on page 14. Provisions are made at the gas valve for taking
gas pressure readings.
There are 2 types of devices used to measure gas pressure.
They are the spring/mechanical type gauge and the
manometer. The use of the spring/mechanical type gauge is
not recommended because they are very easily damaged
and are not always accurate. The preferred type of gauge is
the manometer because it is a simple device to use and is
highlyaccurate. Amanometeris simply a glass ortransparent
plastictubewith a scale graduated ininchesor millibar. When
it is filled with water and pressure is applied, the water in the
tube rises, showing the exact gas pressure.
Gas Pressure Test Procedure
Turn gas cock in gas supply line to “OFF” position.
50 Hz dryers: Back out miniature screw inside pressure tap
and attach manometer.
60 Hz dryers: Install pressure tap and attach manometer.
Turn gas cock to “ON” position.
Start the dryer in Heat Mode and wait for ignition. Gas
manifold pressure should be as shown on page 14.
Once test is complete, turn gas cock to “OFF” position.
Remove manometer. Tighten screw inside the pressure tap
or install plug.
Turn gas cock to “ON” position and check for leaks with soap
solution with main burner “ON.”
•Converting from regulated L.P. to regulated natural
gas: remove the white plastic regulator adjustment
screw (under vent cap). Remove spring under screw
and replace with spring from kit (ADC P/N 140415).
Replace regulator adjustment screw.
Install the gas train back into the dryer gas train enclosure.
Be sure the tab at the rear of the gas train engages into the
mounting slot.
Connect the union and the 3 electrical plugs.
Open all shutoff valves, reconnect electrical power to the
dryer, and test for leaks.
Operate the dryer through 1 complete cycle to ensure proper
operation.
With dryer operating, check the manifold (burner) pressure
at the tap on the gas valve to ensure proper operating
pressure (refer to chart on page 14).
Gas Pressure Adjustment
Disconnect electrical power to the dryer.
IMPORTANT: It is required that the following procedures
be performed on both burner assemblies.
To adjust gas valve’s internal regulator, remove the regulator
vent cap with the regulator adjustment tool, which is located
on the back guard between the gas inlet and exhaust outlet
(refer to the illustration below for proper use of adjustment
tool). Be sure to use one of the wide ends of the adjustment
tool for removal of the vent cap. Once vent cap is removed,
the narrow end of the adjustment tool can be used to turn the
plastic adjustment screw in the valve. Turn the screw
clockwise to raise pressure and counterclockwise to lower
pressure.
Gas (burner) pressures are measured with the burner in
operation for all burner adjustment conditions. Therefore
once the necessary adjustments have been made, the dryer
must be operated in a heating cycle to verify that the pressure
is correct. Refer to “Gas Pressure Testing” on this page. If it
is not correct, you must discontinue the power to the unit
and make further adjustments. Repeat these steps as many
times as necessary to achieve the correct burner pressure.
Once the adjustment of the valve is complete, the vent cap
must be replaced and sealed with, for example, paint to
prevent maladjustment by the user.

18 American Dryer Corp. 113014-14
Steam Requirements – High Pressure
Shaded areas are stated in metric equivalents
* The minimum operating pressure for optimum results is 100 psig (689.47
kPa).
Installation Instructions
To ensure an adequate supply of steam is provided, be sure
that the steam supply lines and steam return lines are sized
and laid out as stipulated in this manual. Inadequate steam
supply lines and steam return lines or improper steam
plumbing will result in poor performance and can cause
component failure. Clean, dry steam must be provided to
the dryer.
IMPORTANT: Steam coil failure due to water hammer by
wet steam will void the warranty.
The presence of condensate in the steam supply line will
causewaterhammer and subsequent heat exchanger (steam
coil) failure. The steam supply connection into the main
supply line must be made with a minimum 10-inch (25.4 cm)
riser. This will prevent any condensate from draining towards
the dryer.
The steam supply line to the dryer must include a 12-inch
(30.48 cm) riser along with a drip trap and check valve. This
will prevent any condensate from entering the steam coil.
Steam Information ____________________
Itisyour responsibility to have allplumbingconnections made
by a qualified professional to ensure that the steam plumbing
installation is adequate and conforms with local, state, and
country regulations or codes.
Care must be exercised when leveling steam dryers into final
position. After leveling the dryer, check the downward pitch
oftheheat exchanger from front to rearwitha level. Likewise,
check the downward pitch of the return condensate manifold
toward its outlet part. Absence of these downward pitches
will result in probable water hammer and premature heat
exchanger fracture and leakage.
The presence of condensate in the steam will cause water
hammer and subsequent heat exchanger failure. The steam
supply connection must be taken from the top of a
well-dripped steam main. If the supply run-out to the dryer
exceeds 25 feet (7.6 meters), it should be dripped just before
the control valve with a proper trap and dirt pocket.
IMPORTANT: Failure to comply with the requirements
stipulated in this manual can result in component failure,
which will void the warranty.
Steam Coil pH Level
The normal pH level for copper type steam coils must be
maintained between a value of 8.5 to 9.5. For steel type
steam coils the pH level must be maintained between a value
of 9.5 to 10.5. These limits are set to limit the acid attack of
the steam coils.
IMPORTANT: Coil failure due to improper pH level will
void the warranty.
Operating Steam Pressure
Maximum 150 psig*1.0 MPa
Heat Input (Normal Load) 3 Bhp
Consumption (Approximate) 107 lb/hr 48.53 kg/hr
Inlet / Return 3/4” / 3/4”

113014-14 www.adclaundry.com 19
!
Flexible hoses or couplings must be used. The dryer
vibrates slightly when it runs and this will cause the steam
coil connections to crack if they are hard piped to the supply
and return mains.
Shutoff valves for each dryer should be installed in the supply
line, return line, and drip trap return line. This will allow the
dryer to be isolated from the supply main and the return main
if the dryer needs maintenance work.
Install an inverted bucket steam trap and check valve at least
12-inches (30.48 cm) below the steam coil as close to the
coil as possible. A trap with a minimum capacity of 214 lb
(97.06 kg) of condensate per hour at 150 psi (1 MPa) is
needed for each unit. (Based on 2 times the steam
consumption per hour.)
The supply line and the return line should be insulated. This
will save energy and provide for the safety of the operator
and maintenance personnel.
Water pockets in the supply line, caused by low points, will
provide wet steam to the coil possibly causing steam coil
damage. All horizontal runs of steam supply piping should
be pitched 1/4-inch (6.35 mm) for every 1 foot (0.31 meters)
back towards the steam supply header causing the
condensate in the line to drain to the header. Install a bypass
trap in any low point to eliminate wet steam.
IMPORTANT: Flexible hoses/couplings must be used.
Coil failure due to hard plumbing connections will void the
warranty.
Water Information ____________________
Before You Start
Check Local Codes and Permits
Call your local water company or the proper municipal
authority for information regarding local codes.
IMPORTANT: It is your responsibility to have all plumbing
connections made by a qualified professional to ensure
that the plumbing installation is adequate and conforms to
local, state, and federal regulations or codes.
It is the installer’s or owner’s responsibility to see that the
required water pressure, pipe size, or connections are
provided. The manufacturer assumes no responsibility if
the fire suppression system is not connected, installed, or
maintained properly.
Installation
Water Supply
The fire suppression system must be supplied with a
minimum water pipe size of 1/2-inch (12.7 mm) and be
provided with 40 psi +/- 20 psi (2.75 bar +/- 1.37 bar) of
pressure.
If the rear area of the dryer or the water supply is located in
an area where it will be exposed to cold/freezing
temperatures,provisions must be madetoprotect these water
lines from freezing.
Warning
If the water in the supply line or water solenoid
valve freezes, the fire suppression system will
be inoperative!!
Water Connections
The water connection is made to the 3/4”-11.5 NH hose
adaptor, which is shipped in the tumbler and must be installed
to the 1/2” N.P.T. water connection, located at the upper rear
of the dryer. A flexible supply line/coupling must be used in
an effort to avoid damaging the electric water solenoid valve.
NOTE: The 3/4”-11.5 NH is a standard hose coupling
screw thread. It is not to be confused with 3/4” N.P.T. The
sealing of an NH connection is made with a washer
opposed to the mating threads of an N.P.T. assembly. The
2 thread designs are not compatible.
It is recommended that a filter or strainer be installed in the
water supply line.
IMPORTANT: Flexible supply line/coupling must be used.
Solenoid valve failure due to hard plumbing connections
will void warranty.
The dryer is to be connected to the water mains using a
new hose set and the old hose set should not be reused.
Electrical Requirements
No independent external power source or supply connection
is necessary. The 24-volt power to operate the fire
suppression system is accomplished internally in the dryer
(from the dryer controls).
Warning
Electrical power must be provided to the dryer
at all times. If the main electrical power supply
to the dryer is disconnected, the fire suppression
system is inoperative!!
Preparation for Operation / Start-Up _
The following items should be checked before attempting
to operate the dryer:
• Read all “CAUTION,” “WARNING,” and “DIRECTION”
labels attached to the dryer.
• Check incoming supply voltage to be sure that it is the
same as indicated on the data label. In the case of 208
VAC or 240 VAC, the supply voltage must match the
electric service exactly.
• GAS MODELS – Check to ensure that the dryer is
connected to the type of heat/gas indicated on the dryer
data label.
• GAS MODELS – Be sure that all gas shutoff valves are
in the open position.
• Be sure all back panels (guards) and electric box covers
are in place.
• Be sure the service doors are closed and securely in
place.
• Be sure the lint door/drawer is securely in place.
• Rotate the tumbler (drum) by hand to be sure it moves
freely.
• Check bolts, nuts, screws, terminals, and fittings for
tightness and security.
• Check that the vent is connected to the dryer and is
exhausted to the outdoors.
!

20 American Dryer Corp. 113014-14
• STEAM MODELS – Check to ensure all steam shutoff
valves are open.
Preoperational Test __________________
All dryers are thoroughly tested and inspected before leaving
the factory. However, a preoperational test should be
performed before the dryer is publicly used. It is possible
that adjustments have changed in transit or due to marginal
location (installation) conditions. Installer must instruct the
user on how to correctly operate the dryer before leaving.
Turn on electric power to the dryer.
Refer to the Operating Instructions for starting your particular
model dryer.
Gas Dryers
Open all shutoff valves.
When a gas dryer is first started (during initial start-up), it
has a tendency not to ignite on the first ignition attempt. This
is because the gas supply piping is filled with air, so it may
take a few minutes for the air to be purged from the lines.
NOTE: During the purging period, check to be sure that
all gas shutoff valves are open.
Agas pressure test should be taken at the gas valve pressure
tap of each dryer to ensure that the water column pressure is
correct and consistent.
NOTE: Water column pressure requirements (measured
at the pressure tap of the gas valve body) must be
verified.
IMPORTANT: In most cases there is no regulator provided
in an L.P. dryer. The water column pressure must be
regulated at the source (L.P. tank), or an external regulator
must be added to each dryer.
Electrical Dryers
Check to ensure that electric oven/contactor assembly is
activating.
Safety Related Circuits
Make a complete operational check of all safety related
circuits:
• Door Switch(es)
• Hi-Limit Thermostats
• Sail Switch
Make a complete operational check of all operating controls.
Tumbler Coating
The tumbler is treated with a protective coating. We suggest
dampening old garments or cloth material with a solution of
water and nonflammable mild detergent and tumbling them
in the tumbler to remove this coating.
Microprocessor Programs / Selections
Each microprocessor controller (computer) has been
preprogrammed by the factory with the most commonly used
parameter (program) selections. If computer program
changes are required, refer to the computer programming
manual, which was shipped with the dryer.
Preoperational Instructions __________
IMPORTANT: For more detailed information regarding the
microprocessor controller (computer), refer to the
microprocessor user’s manual included with the dryer.
Coin Models
Microprocessor Controller (Computer)
Whenthemicroprocessor controller (computer) isinthe ready
state, the L.C.D. screen will display “Ready, Insert $XX.XX
(amount) to Start”.
Insert coin(s). Once the correct “Amount to Start” has been
inserted, the L.C.D. will display “Select Temperature”.
Select temperature by pressing “HI,” “MED,” or “LO.” The
cycle will start and the L.C.D. will display the Dry Cycle
selected and the remaining time.
The dryer will continue through the drying and cooling cycles,
until the vended time has expired.
NOTE: To stop the dryer, open main door. Continuation of
the cycle will resume only after the door has been closed
and any one of the 3 temperature selections is pressed.
Non-Coin Models
Microprocessor Controller (Computer)
The L.C.D. display reads “SELECT CYCLE” (no cycle in
progress).
Scroll up or down to the desired cycle using the “▲” or “▼”
arrow key. Press the “✓” key and the highlighted cycle will
start (tumbler, blower, then the heat).
The L.C.D. display will read the name of the selected cycle
and the approximate remaining minutes.
NOTE: The dryer can be paused or stopped at any time.
Press the “X” key (Pause/Stop) once to pause the cycle.
Press the “
✓ ” key to restart the cycle, or press the “X” key
again to cancel the cycle in progress and return to the
“SELECT CYCLE” state. If nothing is done, the cycle will
restart automatically in 20 seconds.
Whentheprogrammed drying time has expired, the computer
will proceed into the Cool Down part of the cycle. The L.C.D.
display will read “COOL DOWN” and the remaining minutes.
During the cycle, the dryer will shut off the heat and continue
the fan and tumbler until the Cool Down Time or
Temperature has been reached.
At the end of the cycle the L.C.D. display will read "Cycle
Done". Opening the main door will put the computer back
into the “Select Cycle” state.