Table Of ContentAWC
== American Dryer Corp.
AD-530
Service Manual
40696;
American Dryer Corporation
88 Curran Roa
Fall River MA Q2721-4781
‘Telephone: (508) 678-9000 # Fas: (508) 678-9487
‘e-mail address: serviee(@amdry.com,
ADC Fart No. 450161
Retain This Manual In A Safe Place For Future Reference
Amerlcan Dryer Cotporation produe:s embody advanced concepts in engineering, design, and
safety. Ifthls product Is peoperly maimained, it will provide many years of sae, efficient. and
‘trouble-free operation
ONLY properly licensed technictans should service this equipment.
‘OBSERVE ALL SAEELY ERECAUTIONS dleplyed on the equlpment ar spcttied in che installae
tion operators manual included with the dryer.
WARNING: UNDER NO CIRCUMBIANCES should the doorawitch or mie healsicat
devises ever be disabled
WARNING: The dryer auiit never be operated wih any af tie back guards, outer tops, oF
service panels removed, PERSONAL INJURY of FIRE COULD RESULT
‘We have tried ta make this manual as complete a5 possible and hope you wil find ituseful. ADC
reserves the right to make changes from time fo tine, without notice or abligation, in prices,
specifications, colors, and materlal, and to change or discontinue models,
Important
For your convenience, log the following information:
DATE OF PURCHASE MODELNO, AD-530
DISTRMUTORS NAME
Serial Nembate)
Replacement parts can be obtained from your distdbutor or the ADC factory. When ordering
replacement parts from the factory, you can FAX your ander to ADC at (608) 678-9447 or telephone
‘your orders directly to the ADC Parts Department at (508) 673-9010. Please speci the dyer
‘model number and serial amber in addition to the description and part smber, 60 that your
‘order is processed accurately and promplly.
‘The ilustéations on the following pages may not depict your particular deyer exactly. The
illustrations are a compasite ofthe various dryer models, Be sure te check the descriptions of the
parts thoroughly before ordering.
INSTRUCTIONS TO BE FOLLOWED IN THE EVENT THE USER
SMELLS GAS MUST BE POSTED IN A PROMINENT LOCATION, THE
INSTRUCTIONS TO BE POSTED SHAL|, BE OBTAINED FROM THE
LOCAL CAS SUPPLIER.
Table of Contents
SECTION 1
IMPORTANT INFORMATION .
A. SAFETY PRECAUTIONS.
SECTION
MAINTENANCE...
A. CLEANING,
ADJUSTMENTS,
C. LUBRICATION,
SECTION OT
INSTALLATION REQUIREMENTS ..
A. ENCLOSURE AIR SUPPLY AND EXHAUST REQUIREMENTS.
B. BLECTRICAL AND GAS REQUIREMENTS...
( OPERATIONAL SERVICE CHECK PROCEDURE,
SECTION IV
DESCRIPTION OF Pats
‘A. Control Panel Assembly
1B. Conttol / Relay Box
©. Coin Box Asseanbly . :
D. Main Door Switch (Steel Hinge) sss
E, Main Door Switch (Hinge Blocks)
B Lint Serve Dawe ern
G. Tumbter
H. Tumbler Bearing and Pulley Arrangement
1. Tales Arm / Impeflor Mount Ascersb]
J, Drive Motor / Pulley Arrangement
K Temperature Sensor
L Gas Burner
M. Sail Switch
N. HiLimit Thermostat
A. CONTROLS (Computer) un
B. BURNER CONTROLS (Gia) .
B. THERMOSTATS AND TEMPERATURE SENSOR.
G. SAIL SWITCH ASSEMBLY
H. FRONT PANEL AND MAIN DOOR ASSEMBLIES
1 TUMBLER AND BEARING ASSEMBLY.
J IDLER & BEARING ASSEMBLY,
L TUMBLER (ASKED.
M. V-BELTS .
N. MOTOR.
(©. REPLACING THE IMPELLOR MOUNT ASSEMBLY
SECTION I
TROUBLESHOOTING
‘A. PHASE S COIN SYSTEM DIAGNOSTICS
‘B. NOHEAT CONDITION (Gas Models) ..
£. NO START CONDITION...
F.NO DISPLAY CONDITION
G. "dS#L* DISPLAY CONDITION
HL, "dO0r" DISPLAY CONDITION
SECTION Vit
TECHNICAL INFORMATION
A. DATA LABEL...
‘BUSING A MANOMETER.
C. LED. DISPLAY CODES
D, COMPUTER LOGIC AND WIRING DIAGRAM.
SECTION I
IMPORTANT INFORMATION
A. SAFETY PRECAUTIONS
1. Do not store gesoline or other lammable vapors and tiquids inthe vicinity of this or any
appliance
2, Purchaser / user should consult the Local gas supplier for prope instructions 1 be followed inthe
vent the user smells gas. The instructions should be posted ina prominent location,
43, Dryer must be exhausted to the ourdoor.
4, Although the Araerican Dryer isa vecy versatile machine there are some article that, due brie
composition or cleaning method, shoud not be dried init
WARNING: Dry only water washed fibrics, De noc dry articles spotted or washed in dry
cleaning solvents, a combustibie detergent of" all purpose cleaners." Fite or explosion could eesull
‘WARNING: Do not dry rays or articles costed with gasoline, Kerosene, paint, Wax, Oil, OF
ease. Fire or explosion could result,
"WARNING: Do cot dry mop heads. Contamination by wax or Aammable solvent will
create a fire hazard.
+ similarly texted like materials. Drying in a heated tumbler may cause damage to plastics or
rubber and algo may be afte hazard,
WARNING: Do not use heat for drying articles tbat oontaln plastic, foam or sponge ruben
5.A program should be established ‘or the inspection and eleating of the tnt jn the bumer area and
exhaust duct work. The frequency of inspection and cleaning can best be determined from expect
cence at exch location,
WARNING: The ooflection of linc in the burner / oven area aud exhaust duet work can
create a potenval ‘ire hazard,
6. For personat safety, the dryer must he electically grounded in accordance with local codes and or
the national electric code ANSVNFBA NO. 70 (lates edition).
7. Under no circumstances shoutd the dryer door switch or heat circuit safety devices ever be
disabled,
8. Read and follow all caution and direction labels nttached to dryer,
WARNING: Caildren should not be allowed to play on or in the dryers. Children should be
supervised if mear dryers in operation
SECTION II
MAINTENANCE
A. CLEANING:
‘A program or schedule should be established for pesiodic inspection, cleaning and removal of lint
from various areas of the dryer, as well a, Ihroughout the duct Work system. The frequency of
leaning can best be determined from experience at each location, Maximum operating efficiency is
dependent upon proper ar circulation. The accumuladon of lint can restrict chs alr flow, If te
guidelines in this section are met, your American Dryer wil provide many years of efficiem, trouble
lee, and most importantly, safe operation,
WARNING: Liat fcom most ‘abries is highly combustible. The aecummelation of tint can ereate a
potential fice hazard.
‘SUGGESTED INTERVAL, EUNCTION
DAILY ‘Clean lint from lint screen, Inopect nt sergen and ieplace if torn,
90 Days. ‘Remove lint accumulation from lint chamber thermostats and
WARNING: To avoid the hazard of electrical shack, discontinue eleetdeal supply to dryer
‘Remove fit from the motor air vents and surrounding area,
Taspect and ightea all set screws (i.e; pulleys, idler hearings,
‘tumbler bearings).
IMPORTANT: Lint accumulation will strict interval moior ax How, causing overheating and
‘areparable demage. Mor feilure due to lint acournulation wil void the manufacturer's warrenty
t20 Days On gas and electric models remove lit from gas burner area with a
‘dusting brush or vacuum cleaner attachient.
‘On steam dryers, lean the coil, Praper cleaning of steam cos is
necessary to prevent lint bulld-up between the fins. When cleaning,
te coil, be extedtely careit! not to bend the aluminum fins, which
‘will also reduce airflow Ifthe fins ace bert, straighten them by
tsing a comb, Fin combs are available from local air conditioning
supply houses, Regalar cleaning will prevent lint build-up and
blockage of the oo
6 MONTHS aspect and remove lint accumulation in the customer-furnished
exhaust duct work system. Inspect exhaust back draft dampers 10
{insure they are noc binding, Inspect and remave all Lint accuswl
lion fom in and around contol box area including aoin aeeeptors,
Clean tint accumulation from around tumbler wrapper urea.
IMPORTANT: The aocemulation of lint n he exhaust duct work can ereato a potential Bre
hazard
‘AS REQUIRED 4n cleaning and care of the cabinet, avoid using harsh abrasives, A
product intended forthe cleaning of appliances is recommenced.
B. ADJUSTMENTS:
‘SUGGESTED INTERVAL EuNCTION -
6 MONTHS Motor aad dtive belts should be examined. Cracked or seriously
‘frayed belts should be seplaced, Tighten lodee belts when
necessary, and ebeck belt alignment,
‘Complete operational check of controls aad valves.
Complete operational check of ai safety devices (daar switehes,
sail switch, bummer and lint chamber thermostats.)
12. MONTHS Inspect bolts, ruts, screws non permanent gas connections,
(unions orifices ei.) electrical terminals and grounding
connections,
C. LUBRICATION
‘The new bearings, idler bearings and twmbler bearing are sealed librieation is not negessary.
SECTION III
INSTALLATION REQUIREMENTS
Installation should be performed by competent technicians in accordance with local and state codes.
athe absenee of these codes, installarion must conform to applicable American de National
Standards
ANSI 2223.1 (LATEST EDITION) NATIONAL FUEL GAS CODE
ANSI/NEPA NO. 70 (LATEST EDITION) NATIONAL ELECTRIC CODES
s MEI
‘NOTE: Tho following information is very brief and general, For a detailed description refer 10
the installation hooklet for coin machines,
‘Bulkheads and partitions arouad the dyer should be made of non-combustible materials, Allowances
should be made for the opening and closing ofthe coatral door and lint door. Also, allowances
should be made in the rear for ease of maintenance. (Refer to instalation manual for recommended
distances and minimum allowances requited)
‘When the dryer is opsrating, it draws in coom air, beat it, passes this air chrough the tumbler, and
‘exhausts it our the buildiog. Therefore, the room air must be cantinually zeplenished from the ove
doors. Ifthe make up ar is inadequate, drying ime and drying efficiency willbe adversely affected,
Also, on gas machiaes Ignition problems and sail switch "futtering” problems may result and on &
lectric machine, premature electric element faiJure cay regult, Ait supply must be given caieful
consideration o insure proper performance af each dryet.
IMPORTANT: Make up air aust be provided from a source free of dry cleaning fumes. Make
up air tha is contaminated by dry cleaning fumes Wil esult in irreparable
Gamage ta motors and other dryer components.
Exhaust duct work should be designed and installed by a compstent technician, Improperly sized
duct work will create excessive back pressure, which will result in slow drying, increased use of
energy, and shut dowa of the bumer by the airflow (sail) switch, (Refer to installaion manual for
ore detail)
CAUTION: Improperly sized. installed or maintained (cleaned) exhaust duet work ereates a
potential fire hazard.
B. ELECTRICAL AND GAS REQUIREMENTS
Icis your responsibility ro have all clectrical connections made by a properly licensed and competent
<lecrrician to assure that he electrical installation is adequate and conforrns with local aud stato
‘Tegulations or codes, Inthe absence of such codes, all elecrical connections, material, and workman-
ship must conform to the applicable requirements of the National Electric Cade ANSUNFPA NO.
"79-(latest ection).
IMPORTANT: Failure to comply with these codes or ordinances, and or the requirements
sipulated in this manual, cam result in personal injury ar component faire,
The dryes instalation must moet the American Nationat Standard, National Fuel Gas Code ANSI
2223.1 (atest edition), as well as, local codes and ordinances and ensst be done by a qualified
technician.
NOTE: Undersized gas piping will result im ignition problems and slow drying and can create a
safety hazard
‘Tue dryer must be connected to type of gas (natural or L.P) indicated on the dryer daca abel. If this
‘information does not agree with the type of gas avaiable, contact the distributor who sold the cryer
or comtact the factory,
‘The gas input ratings shown on the dryer data label are for elevatios up to 2,000 feet, unless
slevation requirements af over 7,000 feet were specified atthe time the dryer order was placed with
the factory, The adjustment for dryers in the feld for elevations aver 2,000 feet are made by chang-
‘ng che dumer orifices. If this adjustment is necessary, contact the distributor’ who sold the dryer or
contact the farory.
[Roms Any tamer changes must be mode by a qualified wehnician, 1
ERY) HE! CED
After performing any service or maintenance Zunction, an operational cheek should bé pertormed to
‘sue that all components are performing properly,
1 Make @ complete operational check ofa the operating controls fo insure thatthe ciming is
correct, temperature selection switches are funcSioning properly.
2, Make a complete operational check ofall safety celated circuits, door switch(es), hi-limit
thermasiat, sail awitoh, cycting thermostats, ee
SECTION IV
DESCRIPTION OF PARTS
A. Control Papel Assembly
‘The ooin panel assembly consists of the coin acceptor, &
splay board, and che Keypad label. The coin ueceptor is
used to acknowledge that the proper coin bas been gut
through the asceptot. The display board wl just display
the time, temperztuze in a readable number of leaer charae-
tex. The Keypad label is used to input a Hi, Low, os Perm
ress selection forthe dryer to star,
B. Control / Relay Box
‘Tae comrol ? relay box is located in the back of the rhino
‘in the middle top section. The function of the contro relay,
box is to compile vatious signals from the computer of the
Incoming voltage and transfer the signals ro the motar/heat
sirouits, when the computer executes these various signals.
©. Coin Box Assembly
‘The coin box is located below the let and right coin panels,
tis a good size triangular box. When the coin passes through
the averptor, the optle switch sends « signal tothe camputer
‘and the coin then flls into the cein box.
wi it
‘The main door switch is located betind the main daor on the
‘ight hand side. When the main door is opened, the switch will
also ogen preventing the dryer ftom operating. The main door
switch isa safety device and should never be disabled.
Description:model number and serial number in addition to the description and part number, so that your order is B. ELECTRICAL AND GAS REQUIREMENTS .