Stacked Drying
Tumbler
Models with Electronic Control
Keep These Instructions For Future Reference.
(If this tumbler changes ownership, be sure this manual accompanies the tumbler).
Part No. M412060R2
May 2006
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WARNING
MISE EN GARDE
FOR YOUR SAFETY, the information in this
manual must be followed to minimize the
risk of fire or explosion or to prevent
POUR VOTRE SÉCURITÉ, les informations
de ce guide doivent être respectées afin de
réduire les risques d’incendie, d’explosion
ou d’éviter les dommages matériels,
property damage, personal injury or death.
W033
personnels ou blessures mortelles.
W033Q3
• 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.
• Ne pas entreposer ni utiliser d’essence ni
d’autres vapeurs ou liquides
inflammables dans le voisinage de cet
appareil ou de tout autre appareil.
• QUE FAIRE SI VOUS SENTEZ UNE
ODEUR DE GAZ :
– Ne pas tenter d’allumer d’apareil.
– Ne touchez à aucun interrupteur. Ne
pas vous servir des téléphones se
trouvant dans le bâtiment où vous vous
trouvez.
– 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.
– Évacuez la pièce, le bâtiment ou la
zone.
• Installation and service must be
performed by a qualified installer, service
– 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.
agency or the gas supplier.
W052
FOR YOUR SAFETY
• L’installation et l’entretien doivent être
assurés par un installateur ou un service
d’entretien qualifié ou par le fournisseur
Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
W053
de gaz.
W052Q
POUR VOTRE SÉCURITÉ
Ne pas entreposer ou utiliser d’essence ou
toutes autres vapeurs et liquides
inflammables à proximité de cette unité ou
de tout autre appareil.
W053Q2
IMPORTANT: Information must be obtained from your local gas supplier on instructions to be followed if
the user smells gas. These instructions must be posted in a prominent location. Step-by-step instructions of
the above information must be posted in a prominent location near the tumbler for customer use.
M412060
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IMPORTANT: Warranty is void unless drying tumbler is installed according to instructions in this manual.
Compliance with minimum specifications and requirements detailed herein, and with applicable local gas
fitting regulations, municipal building codes, water supply regulations, electrical wiring regulations, and any
other relevant statutory regulations. Because of varied requirements, applicable local codes should be
thoroughly understood and all pre-installation work arranged for accordingly.
In the U.S.A. installation must conform to the latest edition of the American National Standard Z223.1 “National
Fuel Gas Code” and Standard ANSI/NFPA 70 “National Electric Code”.
In Canada installation must comply with Standards CAN1-B149.1 or CAN1-B149.2 codes for gas burning
appliances and equipment and CSA C22.1, latest edition, Canadian Electric Code, Part I. Steam models are not
certified by the Canadian Gas Association. The 150 lb. models are not certified by the Canadian Gas Association.
In Australia installation must comply with the Australian Gas Association Installation Code for Gas Burning
Appliances and Equipment. The 150 lb. models are not certified in Australia.
WARNING
Failure to install, maintain, and/or operate this machine according to manufacturer’s
instructions may result in conditions which can produce serious injury, death and/or property
damage.
W644
WARNING
To reduce the risk of fire, electrical shock, serious injury or death to persons, do not operate
tumbler if it does not perform according to these instructions. Immediately disconnect
electrical service, shut off gas supply, and contact an authorized service representative.
Service and repairs are to be performed by authorized service representatives only.
W645
NOTE: The WARNING and IMPORTANT instructions appearing in this manual are not meant to cover all
possible conditions and situations that may occur. It must be understood that common sense, caution and
carefulness are factors which CANNOT be built into this tumbler. These factors MUST BE supplied by the
person(s) installing, maintaining, or operating the tumbler.
Always contact your dealer, distributor, service agent or the manufacturer on any problems or conditions you do
not understand.
Information For Handy Reference
Date Purchased
Model No.
Serial No.
Dealer’s Name
NOTICE: For your own convenience and protection, record the above information and retain your sales slip
for this appliance. The model and serial numbers will be found on the serial plate located at the rear of the
tumbler. Refer to page 7.
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Information For Handy Reference....................................................
Important Safety Instructions ...........................................................
2
5
Table of
Contents
Introduction.........................................................................................
7
Dimensions and Specifications...........................................................
9
Conversion Table ................................................................................. 10
Receiving Inspection ............................................................................ 11
Materials Required................................................................................ 11
Facilities Required................................................................................ 11
Layout .............................................................................................. 11
Floor................................................................................................. 11
Venting ................................................................................................. 11
Individual Exhaust................................................................................ 13
Make-Up Air......................................................................................... 16
Example Of Gas Supply Piping............................................................ 21
Instructions for Lighting and Shutting Down Instant
Electronic Ignition System................................................................. 25
Adjustments......................................................................................... 27
Air Flow Switch.................................................................................... 27
Drive V-Belt ......................................................................................... 27
Operating Checks ............................................................................... 29
Electronic Control................................................................................. 29
(continued)
© Copyright 2006, Alliance Laundry Systems LLC
All rights reserved. No part of the contents of this book may be reproduced or transmitted in any form or by any
means without the expressed written consent of the publisher.
M412060
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Preventive Maintenance Instructions ............................................... 33
Daily ..................................................................................................... 33
Lubrication....................................................................................... 33
Every Six Months ................................................................................. 35
Front Panel....................................................................................... 35
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Important Safety Instructions
(Save These Instructions)
13. The interior of the tumbler and the exhaust duct
should be cleaned periodically by qualified
service personnel.
WARNING
To reduce the risk of fire, electric shock,
serious injury or death to persons when
using your tumbler, follow these basic
precautions:
14. If not installed, operated and maintained in
accordance with the manufacturer’s instructions
or if there is damage to or mishandling of this
product’s components, use of this product could
expose you to substances in the fuel or from fuel
combustion which can cause death or serious
illness and which are known to the State of
California to cause cancer, birth defects or other
reproductive harm.
W054
1. Read all instructions before using the tumbler.
2. Refer to the GROUNDING INSTRUCTIONS
in the INSTALLATION manual for the proper
grounding of the tumbler.
15. Tumbler will not operate with the loading door
open. DO NOT by-pass the door safety switch by
permitting the tumbler to operate with the door
open. The tumbler will stop tumbling when the
door is opened. Do not use the tumbler if it does
not stop tumbling when the door is opened or
starts tumbling without pressing or turning the
START mechanism. Remove the tumbler from
use and call the serviceman.
3. Do not dry articles that have been previously
cleaned in, washed in, soaked in, or spotted with
gasoline, dry-cleaning solvents, other flammable
or explosive substances as they give off vapors
that could ignite or explode.
4. Do not allow children to play on or in the
tumbler. Close supervision of children is
necessary when the tumbler is used near children.
This is a safety rule for all appliances.
16. Do not put articles soiled with vegetable or
cooking oil in the tumbler, as these oils may not
be removed during washing. Due to the
remaining oil, the fabric may catch on fire by
itself.
5. Before the tumbler is removed from service or
discarded, remove the door to the drying
compartment.
6. Do not reach into the tumbler if the cylinder is
revolving.
17. To reduce the risk of fire, DO NOT put cloths
which have traces of any flammable substances
such as machine oil, flammable chemicals,
thinner, etc. or anything containing wax or
chemicals such as in mops and cleaning cloths, or
anything dry-cleaned at home with dry-cleaning
solvent in the tumbler.
7. Do not install or store the tumbler in an area
where it will be exposed to water and/or weather.
8. Do not tamper with the controls.
9. Do not repair or replace any part of the tumbler,
or attempt any servicing unless specifically
recommended in the user-maintenance
instructions or in published user-repair
instructions that you understand and have the
skills to carry out.
18. Use the tumbler only for its intended purpose,
drying clothes.
19. ALWAYS disconnect the electrical power to the
tumbler before attempting service. Disconnect
power by shutting off appropriate breaker or fuse.
10. Do not use fabric softeners or products to
eliminate static unless recommended by the
manufacturer of the fabric softener or product.
20. Install this tumbler according to the
INSTALLATION INSTRUCTIONS. All
connections for electrical power, grounding, and
gas supply must comply with local codes and be
made by licensed personnel when required. Do
not do it yourself unless you know how!
11. To reduce the risk of fire, DO NOT DRY plastics
or articles containing foam rubber or similarly
textured rubberlike materials.
12. Keep area around the exhaust opening and
adjacent surrounding area free from the
accumulation of lint, dust and dirt.
21. Remove laundry immediately after the tumbler
stops.
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M412060
5
Important Safety Instructions
22. Always read and follow manufacturer’s
instructions on packages of laundry and cleaning
aids. Heed all warnings or precautions. To reduce
the risk of poisoning or chemical burns, keep
them out of reach of children at all times
(preferably in a locked cabinet.)
23. Do not tumble fiberglass curtains and draperies
unless the label says it can be done. If they are
dried, wipe out the cylinder with a damp cloth to
remove particles of fiberglass.
24. Always follow the fabric care instructions
supplied by the garment manufacturer.
25. Never operate the tumbler with any guards and/or
panels removed.
26. DO NOT operate the tumbler with missing or
broken parts.
27. DO NOT by-pass any safety devices.
28. Failure to install, maintain, and/or operate this
machine according to the manufacturer’s
instructions may result in conditions which can
produce serious injury and/or property damage.
29. Run tumbler with a load before putting tumbler
into service.
WARNING
To reduce the risk of serious injury, install
lockable door(s) to prevent public access
to rear of tumblers.
W055
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M412060
6
Introduction
Nameplate Information
Replacement Parts Information
When writing for information on any tumbler, be sure
to mention model and serial numbers. The model and
serial numbers will be found on the nameplate as
shown.
If replacement parts are required, contact the source
from whom you purchased your tumbler or, contact
the Ripon Service Parts Center, P.O. Box 990, Ripon,
Wisconsin 54971-0990, for the name and address of
the nearest authorized parts distributor.
Serial Plate
(Name Plate)
Also located inside
loading door hinge
Wiring
Diagram
TMB22151N
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M412060
7
Notes
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Dimensions and Specifications
Cabinet Dimensions
28-1/4 in
(71.8 cm)
4-5/32 in
(10.2 cm)
28-1/4 in
(71.8 cm)
33-3/4 in (85.7 cm)
42-5/8 in (108.3 cm)
43-1/2 in (110.5 cm)
46-1/2 in (118.1 cm)
3-9/32 in
(8.3 cm)
20-3/4 in
(62.7 cm)
31-5/8 in
(80.3 cm)
3/8 in (.95 cm)
NPT
6 in
4 in
(10.2
cm)
(15.2 cm)
Diameter
Duct
2 in
(5.1 cm)
1/2 in
(1.27
cm)
NPT
14 in
(35.6
cm)
6 in (15.2 cm)
Diameter Duct
Clearances
Minimum to nearest combustible
material.
31-5/8 in
(80.3 cm)
TMB2152N
Top - 12 in (30.5 cm) minimum.
0 in permitted for first 4 in (10.2
cm) along front of machine.
Back - 0 in - 24 in (0 - 61 cm)
minimum recommended for
service access.
Sides - 0 in (0 cm) permitted.
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Dimensions and Specifications
Specifications
Cabinet Finish:
Cylinder Size:
Air Outlet:
Total Dry Weight Capacity:
Width
Electrostatically applied thermosetting polyester
30 in x 25 in (76.2 x 63.5 cm) perforated galvanized steel with three baffles
6 in (15.24 cm)
60 lbs. (27.2 kg) both cylinders
31-5/8 in (80.3 cm)
Depth
46-1/2 in (118 cm)
Height
72-1/4 in (183.5 cm)
Motor:
1/2 H.P., lifetime lubricated, internal overload protected
120/60/1 (17.3 Amp) 2-wire grounded system (Line 1, Neutral & Ground)
208-240/60/1 (10 Amp) 3-wire grounded system (Line 1 & 2, Neutral &
Ground)
Electrical Specifications:
120/50/1 (17.3 Amp) 2-wire grounded system (Line 1, Neutral & Ground)
240/50/1 (10 Amp) 2-wire grounded system (Line 1, Neutral & Ground)
220/60/1 (10 Amp) 2-wire grounded system (Line 1, Neutral & Ground)
63,000 BTU per hour (per pocket - 15,876 Kcal)
Energy Data:
Types of Gas:
Factory equipped with Natural Gas (6-1/2 1-1/2 inches water column line
pressure); Liquefied Petroleum gas (11 .3 inches water column line pressure);
Hong Kong Town Gas (High and Low Pressure), or Korean LNG.
Gas Connection:
Air Flow:
1/2 in (1.27 cm) supply line reduced to a 3/8 in (.95 cm) N.P.T. connection
375 C.F.M. (177 liters/sec.)
Approx. Net Weight:
722 Pounds (310.5 kg)
Conversion Table
Multiply
By
To Obtain
BTU
.252
Kcal
BTU
Inch
1055
2.54
Joules
Centimeters
Pounds/sq. in
Bars
Inches W.C.
. 036
. 06895
. 070
.454
Pounds/sq. in
Pounds/sq. in
kg/sq. cm.
Kilograms
BTU /lb.
Ibs. Steam/hr.
kPa
Pounds (lbs.)
Boiler Horsepower
Boiler Horsepower
Inches W.C.
33,479
34.5
. 249
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Installation Instructions
space requirements. Twice the drying capacity means
two separate heat sources, two separate cylinders/
drives, and two separate controls.
Receiving Inspection
Upon delivery, visually inspect crate, carton and parts
for any visible shipping damage. If the crate, carton or
cover are damaged, or signs of possible damage are
evidence, have the carrier note the condition on the
shipping papers before the shipping receipt is signed,
or advise the carrier of the condition as soon as it is
discovered.
Floor
The drying tumbler may be installed on any level floor
capable of supporting 100 pounds per square foot (488
kg/square meter). Floor covering materials such as
carpeting or tile should be removed.
Remove the crate and protective cover as soon as
possible and check the items listed on the packing list.
A written claim should be filed as soon as possible
with the carrier if items are damaged or missing.
Shipping Braces
To facilitate installation, the shipping braces located
on the lower left and right rear corners may be
removed. To remove, simply remove the four round
head screws from each brace, remove and discard
brace, and replace the screws in the same holes they
were removed from.
IMPORTANT: Remove the shipping tape from the
two back draft dampers located in the exhaust
thimble.
NOTE: The shipping brace need not be removed if
it does not interfere with installation. If you do not
remove the shipping brace, you will need to add an
additional 5/32 inch (4 mm) to your installation
space.
Materials Required
• One disconnect switch with fuses or Fusetron(s)
(acceptable for 120 Volt installations).
NOTE: For voltages higher than 120 Volts, a circuit
breaker must be used.
Venting
For maximum efficiency and minimum lint
accumulation, tumbler air must be exhausted to the
outdoors by the shortest possible route.
• Two gas shut-off valves for stacked tumblers.
Facilities Required
Proper sized ducts are essential for proper installation.
All elbows should be sweep type. Do not install
elbows with a radius less than shown in the table
below. Exhaust ducts must be assembled so the interior
surfaces are smooth, and so the joints do not permit the
accumulation of lint. Do not use sheet metal screws to
join vent sections. Improperly sized or assembled
ductwork causes excess back pressure which results in
slow drying, lint collecting in the duct, lint blowing
back into the room, and increased fire hazard.
Layout
Whenever possible, tumblers should be installed along
an outside wall where duct length can be kept to a
minimum, and make-up air can be easily accessed.
Construction must not block the airflow at the top rear
of the tumbler. Doing so would prevent adequate air
supply to the tumbler’s combustion chamber.
WARNING
A tumbler produces combustible lint. To
reduce the risk of fire, and the
accumulation of combustion gases, the
tumbler must be exhausted to the
NOTE: Exhaust ducts must be constructed of sheet
metal or other non-combustible material. Such
ducts must be equivalent in strength and corrosion
resistance to ducts made of galvanized sheet steel
not less than 0.0195 inch (0.495 mm) thick.
outdoors.
Where the exhaust duct pierces a combustible wall or
ceiling, an opening having a diameter of four inches
(10.2 cm) larger than the diameter of the exhaust duct
shall be provided, with the duct centered in the
opening. When ducts pass through walls, ceilings,
floors or partitions, the space around the duct shall be
sealed with non-combustible material. Refer to
W646
The stacked drying tumbler has been specifically
designed to provide twice the drying capacity utilizing
the same floor space as the standard 30 lb. (31-5/8
inches wide) drying tumbler.
The only thing common between the stacked drying
tumbler and the standard drying tumbler is the floor
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11
Installation Instructions
Individual Venting
Combined Exhaust Manifold Venting
For maximum efficiency and performance, it is
preferred to exhaust tumbler(s) individually to the
MAY THE CROSS AREA OF INSTALLED
VENTING BE LESS THAN THE CROSS AREA
OF THE EXHAUST THIMBLE OF THE
TUMBLER.
The upper and lower units may be exhausted into a
MAXIMUM LENGTH OF 10 INCHES (25.4 cm)
DIAMETER EXHAUST DUCT BEYOND THE
MANIFOLD DUCT IS 14 FEET (4.3 m) AND
TWO 90° ELBOWS, OR EQUIVALENT.
THE MAXIMUM ALLOWABLE LENGTH OF
VENTING IS 14 FEET (4.3 M) AND TWO 90°
ELBOWS, OR EQUIVALENT. The table below
shows how to determine equivalent length of venting
for 90° elbows:
Collector Venting
While it is preferable to exhaust tumblers individually
to the outdoors, a main collector duct may be used if it
indicate minimum diameters, and should be increased
if the collector length exceeds 20 feet (6.1 m). The
collector duct may be rectangular in cross section, as
long as the area is not reduced. Provisions should be
made for lint removal and cleaning of the collector
duct.
EQUIVALENT LENGTH OF
DUCT DIAMETER
STRAIGHT DUCT
6 in (15.3 cm) One 90° elbow = 7 ft (2.1 m)
8 in (20.3 cm) One 90° elbow = 9.3 ft (2.8 m)
10 in (25.4 cm) One 90° elbow = 11.6 ft (3.5 m)
12 in (30.5 cm) One 90° elbow = 14 ft (4.3 m)
The collector duct must be tapered, as shown in
enter the collector duct at a 45° angle in the direction
of airflow. Never connect a tumbler duct at a 90° angle
to the collector duct. Doing so will cause excessive
back pressure, resulting in poor performance. Never
connect two tumbler exhaust ducts directly across
from each other at the point of entry to the
collector duct.
FORMULA: Equivalent Length (feet or meters) =
1.17 x Duct Diameter (inches or centimeters)
EXAMPLE: A 6 inch diameter duct’s equivalent
length of 14 feet of vent and two 90° elbows is:
Equivalent = 14 ft (4.3 m) + (2) 90° elbows
The collector system must be designed so the static
back pressure measured 12 inches (30.48 cm) from the
exhaust thimble does not exceed the maximum
Length:
= 14 ft + 7 ft + 7 ft (4.3 m + 2.1 m + 2.1 m)
= 28' (8.5 m)
allowable pressure specified on the installation sticker
on the rear of the tumbler. This must be measured with
all tumblers running that are vented into the collector.
If the equivalent length of a duct required for an
installation exceeds the maximum allowable
equivalent length, the diameter of a round duct must be
increased by 10 percent for each additional 20 feet.
The cross area of a rectangular duct must be increased
20% for each additional 20 feet (6.1 m).
With the tumbler in operation, airflow at any point in
the duct must be at least 1200 feet (366 m) per minute
to ensure that the lint remains airborne.
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M412060
12
Installation Instructions
Individual Exhaust
VERTICAL EXHAUST INSTALLATION
HORIZONTAL EXHAUST INSTALLATION
No Screen
or Cap
180°
Sweep Elbow
2 in (5.1 cm)
Minimum
Clearance
30 in (76.2 cm)
Minimum
Clearance
2 in (5.1 cm)
Minimum
Clearance
12 in (30.5 cm)
Minimum
Clearance
12 in (30.5 cm)
Minimum
Clearance
0 in
0 in Clearance
Permitted
Clearance
Permitted
for First
4 in
for First
No
4 in (10.2 cm)
Screen
Or
Cap
30 in (76.2 cm)
Minimum
Clearance
(10.2 cm)
Wall
Wall
NOTE: Maximum length
of exhaust duct is 14
feet (4.3 meters).TMB2153N
NOTE: Maximum length
of exhaust duct is 14
feet (4.3 meters).
Clearance permitted to combustible material
36 in (91.4 cm) recommended for maintenance purposes
24 in (61.0 cm) minimum
Figure 1
Collector Duct
NOTE: This collector duct is sized for individually
Min. Diameter
for Individual
Exhaust
Min. Diameter
for Individual
Exhaust
Duct
Duct
Station
Station
Where the exhaust duct pierces the wall or ceiling, an
opening having a diameter four inches larger than the
diameter of the exhaust duct shall be provided, and the
exhaust duct centered within the opening.
A
B
C
D
E
F
G
H
I
7.00 in (17.8 cm)
10.00 in (25.4 cm)
12.00 in (30.5 cm)
14.00 in (35.6 cm)
16.00 in (40.6 cm)
18.00 in (45.7 cm)
19.00 in (48.3 cm)
20.00 in (50.8 cm)
22.00 in (55.9 cm)
23.00 in (58.4 cm)
24.00 in (61.0 cm)
25.00 in (63.5 cm)
J
180°
Sweep Elbow
K
L
30 in (76.2 cm)
2 in
Minimum Clearance
(5.1 cm)
Ceiling
Inspection or
Cleanout
Cover
Minimum
Clearance
2 in (5.1 cm) Minimum Clearance
L Dia K Dia J Dia I Dia H Dia G Dia F Dia E Dia D Dia C Dia B Dia A Dia
2 in (5.1 cm)
Minimum
Clearance
Wall
No Screen
or Cap
31.62 in
(80.3 cm)
Air Out
TMB2154N
Figure 2
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Installation Instructions
Manifold Construction
10 in
(25.4 cm)
Inside
Diameter
17.50 in (44.5 cm)
2 in (5.1 cm) TYP
Standard
Stove Pipe
Crimp
6 in (15.2 cm)
Inside
Diameter
(2) Places
Rivet to Duct
(8) Rivets
(2) Places
3 in (7.6 cm)
(3) Places
Flush
Bottom
Removable Cover
for Lint Removal
45°
(2) Places
TMB2155N
Figure 3
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Installation Instructions
Combined Exhaust Manifold
VERTICAL EXHAUST INSTALLATION
No Screen
HORIZONTAL EXHAUST INSTALLATION
180°
or Cap
Sweep Elbow
30 in (76.2 cm)
Minimum
Clearance
2 in (5.1 cm)
Minimum
Clearance
2 in (5.1 cm)
Minimum
12 in (30.5 cm)
Minimum
Clearance
12 in (30.5 cm)
Minimum
Clearance
Clearance
0inClearance
Permitted
0 in
for First
Clearance
Permitted
for First
4 in (10.2 cm)
No
Screen
or Cap
4 in (10.2 cm)
Manifold
Duct
Manifold
Duct
Wall
Wall
NOTE: Maximum length
of exhaust duct is
14 feet (4.3 meters)
beyond manifold duct.
TMB2153N
0 in
NOTE: Maximum length of
exhaust duct is 14 feet (4.3
meters) beyond manifold duct.
Clearance permitted to combustible material
36 in (91.4 cm) recommended for maintenance purposes
24 in (61.0 cm) minimum
Figure 4
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Installation Instructions
Make-Up Air
Drying Tumbler Enclosure
Construction
A tumbler is forced-air exhausted and requires
provisions for make-up air to replace the air exhausted
by the tumbler.
IMPORTANT: DO NOT block the airflow at the
top rear of the tumbler with laundry, etc. Doing so
would prevent adequate air supply to the tumbler’s
heat chamber.
The manufacturer’s recommended make up air
opening for each tumbler is 144 square inches (929 sq.
cm) of free area. At a minimum, the National Fuel
Gas Code requires tumblers to have at least one
square inch (6.5 sq. cm) of opening for every 1000
BTU/hr. of input rating for proper combustion.
enclosure does touch the tumbler top and side panels.
Note, too, the minimum and maximum dimensions. Be
aware that there may be local codes and ordinances
which must be complied with.
EXAMPLE: A tumbler with a rated input of 120,000
BTU/hr. (30,240 Kcal) requires 120 square inches
(774.2 sq. cm) of free opening.
WARNING
Protective louvers in the opening to the outdoors can
reduce air movement by approximately 40 percent.
The opening must compensate for the area taken up by
the louvers.
To reduce the risk of serious injury, install
lockable door(s) to prevent public access
to rear of tumblers.
W055
NOTE: The make-up air openings into a room
containing tumblers, and a gas fired hot water
heater or other gravity vented appliances must be
increased sufficiently to prevent downdrafts in any
of the vents when all tumblers are in operation. Do
not install gravity vented appliances between
tumblers and air inlet openings.
IMPORTANT: Install tumblers with sufficient
clearance for servicing and operation. Refer to
TO FACILITATE INSTALLATION: To ensure room
for leveling, adjusting and lining up the tumblers, size
the enclosure opening three inches (7.6 cm) larger than
the tumbler dimensions. After the tumblers are lined
up and level, close the gap with a trim board.
Positioning the Drying Tumbler
The tumbler may be removed from the skid before
moving it to the installation location, or it may be
moved while still attached to the skid. To remove
tumbler from the skid, unscrew the four shipping
capscrews (one at each corner) and lift the tumbler
from the skid.
The leveling legs will be in a bag inside the cylinder.
Screw the four leveling legs into the level adjusting
fittings from the bottom.
IMPORTANT: The tumbler should be slid in place
using the wooden crate pad supplied on the
shipping crate to prevent damage to the flooring.
Slide the tumbler to its permanent location and level.
Keep the tumbler as close to the floor as possible. The
tumbler must rest firmly on the floor so weight of
tumbler is evenly distributed. Tumbler must not rock.
Shim under the corners to level and stabilize the unit.
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Installation Instructions
WARNING
Clearance of tumbler cabinet from combustible construction must be a minimum of
12 inches (30.5 cm) at top.
W647
NOTE: Shaded areas indicate
adjacent structure.
12 in (30.5 cm)
Minimum Clearance
0 in Clearance
Permitted
for First
4 in (10.2 cm)
Guard
Clearance
0 in to
Combustible
Material
0 in Clearance
0 in Clearance Permitted 24 in
(61.0 cm) Recommended for
Maintenance Purposes
Clearances shown are minimum to nearest combustible material.
0 in (0 cm) Minimum clearance to combustible material.
24 in (61.0 cm) Minimum recommended for service access.
TMB2157N
Tumbler exhaust duct must be smooth inside and be sized based on the following air flow data:
450 CFM maximum and 350 CFM minimum at .3 W.C. (See information on VENTING in this
manual for duct dimensions).
For proper combustion, supply a two square foot (.19 sq. meter) opening for outside makeup air.
Figure 5
IMPORTANT: Do not lift under the belt guard or
tip the unit. Serious drive train damage will occur.
Leveling the Drying Tumbler
Each tumbler should be leveled within 1/8 inch (3
mm) from front to rear and 1/8 inch (3 mm) from side
to side. Check front to rear level by rotating the clothes
cylinder until one rib is at the bottom, then place a
level on the rib. Check side to side level by placing a
level across the center of the top panel.
IMPORTANT: An unleveled tumbler can cause
rapid bearing wear, internal misalignment,
scraping, noise, and possible clothes damage.
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Installation Instructions
Gas Requirements (Gas Drying Tumblers)
Before connecting the gas piping to the tumbler, make
certain that gas service is the same as that specified on
the serial plate.
information should be obtained from the gas supplier.
A dirt and water vapor pipe trap must be furnished and
WARNING
It is important that equal pressure be maintained at all
tumbler gas connections. This can best be done by
installing a one inch (2.54 cm) pipe gas loop as shown
To reduce the risk of fire or explosion, DO
NOT CONNECT THE GAS LINE TO THE
TUMBLER IF THE GAS SERVICE IS NOT
THE SAME AS THAT SPECIFIED ON THE
TUMBLER SERIAL PLATE! It will first be
necessary to convert the gas burner orifice
and gas valve. Appropriate conversion kits
WARNING
To reduce the risk of fire or explosion, if the
tumbler is to be connected to Liquefied
Petroleum (L.P.) gas, a floor level vent to
the outdoors must be provided in the room
are available.
W060
where the tumbler is installed.
IMPORTANT: Any product revisions or
conversions must be made by the Manufacturer’s
Authorized Dealers, Distributors or local service
personnel.
W098
Before connecting the gas piping to the tumbler, make
certain gas service is the same as that specified on the
serial plate.
IMPORTANT: The installation must comply with
local codes or, in the absence of local codes:
- with the latest edition of the “National Fuel Gas
Code”, ANSI Z223.1 in the U.S.A.
NATURAL GAS service must be supplied at 6-1/2
1-1/2 inch water column pressure (1.62 .37 kPa).
L.P. GAS service must be supplied at 11 .3 inch
water column pressure (2.74 .07 kPa).
- with CAN1-B149.1 or CAN1-B149.2 in Canada
- and Australian Gas Association/Australian L.P.
Gas Association requirements in Australia
Pressure checks can be made at the shut-off valve.
The size of gas service pipe is dependent upon many
variables (lengths, tees, etc.). Specific pipe size
1/2 in Reduced
to 3/8 in
1/2 in Gas
Supply Piping
System
Gas Line to
Dryer Controls
Gas “T”
Fitting
Dirt and
Water Vapor
Trap
6 Inches (15.2 cm)
Minimum Gas
Pipe
1/8 in (.32 cm) N.P.T. plugged
tapping accessible for
pressure testing. Gauge
connection located upstream
from dryer main manual
shut-off
Shut-Off
Valve
Gas
Pipe Cap
TMB2158N
Figure 6
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Installation Instructions
If the gas service is not the same as that specified, DO
NOT CONNECT THE GAS LINE TO THE
TUMBLER! It will first be necessary to convert the
gas burner orifices.
Purge air and sediment from the gas service line before
connecting it loosely to the tumbler. Purge remaining
air until odor of gas is detected, then tighten
connection. Use pipe compound, resistant to actions of
L.P. gas, on all pipe threads.
IMPORTANT: Any product revisions or
conversions must be made by the Manufacturer’s
Authorized Dealers, Distributors or local service
personnel.
WARNING
Check all pipe connections, internal and
external, for gas leaks using a soapy
solution. To reduce the risk of explosion or
fire, DO NOT USE AN OPEN FLAME TO
CHECK FOR LEAKS! Gas connections
WARNING
To reduce the risk of fire or explosion:
• The tumbler and its individual shut-off
valve must be disconnected from the gas
supply piping system during any
pressure testing of that system at test
pressures in excess of 1/2 psig (3.45
kPa).
should be checked annually for leakage.
W649
• The tumbler must be isolated from the
gas supply piping system by closing its
individual manual shut-off valve during
any pressure testing of the gas supply
piping system at test pressure equal to or
less than 1/2 psig (3.45 kPa).
W648
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M412060
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Installation Instructions
Gas Pipe Size Required For 1,000 Btu Natural Gas – 0.64 Specific Gravity
at 7 1.5 Inches (17.4 4 mbar, 1.74 0.37 kPa) Water Column Pressure
Equivalent Length
25 feet
(7.63 m)
50 feet
75 feet
100 feet
125 feet
150 feet
Gas
Appliances
Total
(15.25 m)
(22.88 m)
(30.50 m)
(38.13 m)
(45.75 m)
Based on 0.3 in Water Column Pressure Drop for Length Given
Sizes shown in inches (mm)
Btu/hr.
100,000
120,000
140,000
160,000
180,000
200,000
300,000
400,000
500,000
600,000
700,000
800,000
900,000
1,000,000
1,100,000
1,200,000
1,300,000
1,400,000
1,500,000
1,600,000
1,700,000
1,800,000
1,900,000
2,000,000
2,200,000
2,400,000
2,600,000
2,800,000
3,000,000
0.75 (19.05)
0.75 (19.05)
0.75 (19.05)
0.75 (19.05)
1 (25.40)
0.75 (19.05)
1 (25.40)
1 (25.40)
1 (25.40)
1 (25.40)
1 (25.40)
1 (25.40)
1 (25.40)
1 (25.40)
1 (25.40)
1.25 (31.75)
1.25 (31.75)
1.5 (38.10)
1.5 (38.10)
2 (50.80)
2 (50.80)
2 (50.80)
2 (50.80)
2 (50.80)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
3 (76.20)
1 (25.40)
1 (25.40)
1 (25.40)
1.25 (31.75)
1.25 (31.75)
1.25 (31.75)
1.5 (38.10)
1.5 (38.10)
2 (50.80)
1 (25.40)
1 (25.40)
1 (25.40)
1.25 (31.75)
1.25 (31.75)
1.25 (31.75)
1.5 (38.10)
1.5 (38.10)
2 (50.80)
1 (25.40)
1 (25.40)
1.25 (31.75)
1.25 (31.75)
1.25 (31.75)
1.5 (38.10)
1.5 (38.10)
2 (50.80)
1 (25.40)
1 (25.40)
1 (25.40)
1.25 (31.75)
1.25 (31.75)
1.5 (38.10)
1.5 (38.10)
2 (50.80)
2 (50.80)
2 (50.80)
2 (50.80)
2 (50.80)
1.25 (31.75)
1.25 (31.75)
1.5 (38.10)
1.5 (38.10)
1.5 (38.10)
2 (50.80)
2 (50.80)
2 (50.80)
2 (50.80)
2 (50.80)
2 (50.80)
2 (50.80)
2 (50.80)
2 (50.80)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2 (50.80)
2 (50.80)
2 (50.80)
2 (50.80)
2 (50.80)
2 (50.80)
2 (50.80)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
3 (76.20)
3 (76.20)
3 (76.20)
3 (76.20)
3 (76.20)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
3 (76.20)
3 (76.20)
3 (76.20)
3 (76.20)
3 (76.20)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
3 (76.20)
3 (76.20)
3 (76.20)
3 (76.20)
3 (76.20)
3 (76.20)
3 (76.20)
3.5 (88.90)
3.5 (88.90)
3.5 (88.90)
2 (50.80)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
2.5 (63.50)
3 (76.20)
3 (76.20)
3 (76.20)
3 (76.20)
3 (76.20)
3 (76.20)
3 (76.20)
3 (76.20)
3 (76.20)
3 (76.20)
3 (76.20)
3 (76.20)
3 (76.20)
3.5 (88.90)
3 (76.20)
3 (76.20)
3.5 (88.90)
3.5 (88.90)
3.5 (88.90)
3.5 (88.90)
3.5 (88.90)
4 (101.60)
3.5 (88.90)
3.5 (88.90)
3.5 (88.90)
3.5 (88.90)
3.5 (88.90)
For L. P. Gas, correct the total Btu/hr. by multiplying it by 0.6. The answer is the equivalent Btu
on the above chart.
The installation must conform with local codes or, in the absence of local codes:
• with the latest edition of the “National Fuel Gas Code,” ANSI Z223.1/NFPA 54 in the U.S.A.,
• with CSA-B149.1 or Natural Gas and Propane Installaion Code in Canada,
• and Australian Gas Association/Australian L.P. Gas Association requirements in Australia.
Figure 7
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Installation Instructions
Gas Requirements (continued)
EXAMPLE:
Gas
IMPORTANT: Gas loop piping must be installed as illustrated to
equalize gas pressure for all tumblers connected to single gas service.
Other gas using appliances should be connected upstream from loop.
Furnace
Gas
Water
Heaters
Gas Space
Heaters
Tumblers
Gas
Meter
Gas Shut-Off
Valves
Gas
Line
Pressure
Tap
IMPORTANT: Line pressure must be maintained at 6-1/2 1-1/2 water
column inches for Natural Gas (10 1-1/2 water column inches for L.P. Gas)
with all gas appliances running (tumblers, water heaters, space heaters, furnace, etc.).
NOTE: Minimum pipe size to
tumbler is 1/2 inch (1.27 cm).
An in-line pressure regulator may be required on Natural Gas models if the line
pressure exceeds eight water column inches pressure with all gas appliances firing.
TMB2159N
Figure 8
Example Of Gas Supply Piping
SAMPLE CALCULATIONS:
Equivalent Length
=
Total length of main gas supply pipe from the
gas meter to the far end of the tumbler dryers
25 ft + 19 ft (7.62 meters + 5.79 meters)
44 ft (13.41 meters)
The sum of the BTU/HR of all tumblers being
fed by the main gas supply pipe
18 x 75,000
=
=
=
Total BTU/HR
=
=
1,350,000
Gas Furnace
(120,000 BTU/HR)
2-1/2 in (6.35 cm).
Gas Tumbler
Dryer (75,000
BTU/HR per
cylinder)
Gas Water
Heaters
Gas Space Heaters
(70,000 BTU/HR
each)
(400,000
BTU/HR each)
Gas
Meter
25 ft (7.62 meters)
19 ft (5.79 meters)
Pressure
Regulator
TMB2160N
Figure 9
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Installation Instructions
Electrical Requirements
Requirements
Electrical
Heat Source
Wires Required and
Terminal Block Connection
Specs
Gas
Gas
Gas
Gas
120/50 or 60/1
208/240/60/1
220/60/1
L1
L1
L1
L1
N
N
N
N
Ground to Green Ground Screw
Ground to Green Ground Screw
Ground to Green Ground Screw
Ground to Green Ground Screw
L2
L2
240/50/1
Provide adequate wiring and a 20 amp circuit breaker
for each stacked tumbler. The unit is designed to
accept ONE electrical hook-up through the top pocket
only. The tumbler is prewired to electrically operate
both the upper and lower units.
Refer to the chart below for requirements for specific
voltages.
Gas Drying Tumblers
120 Volt
50/60 Hertz
1 Phase*
208/240 Volt
60 Hertz
1 Phase**
240 Volt
50 Hertz
1 Phase
220 Volt
60 Hertz
1 Phase
As Required by Local Codes
Wire Size
Use Circuit
Breaker Only
15 Amp
Use Circuit
Breaker Only
15 Amp
Use Circuit
Breaker Only
15 Amp
20 Amp
20 Amp
20 Amp
1
Disconnect Switch
Fusetron
2 Pole
2 Pole
2 Pole
Circuit Breaker
2
2
2
Number of Poles
*120 Volt, 60 Hertz, 1 Phase gas tumblers require a 120 Volt, 2-wire grounded system (Line 1, Neutral and Ground).
**208/240 Volt, 60 Hertz, 1 Phase gas tumblers require 3-wire grounded system (Line 1, Line 2, Neutral and separate ground).
IMPORTANT: If electrical supply is coming from a
three phase service, DO NOT connect a “Stinger
Leg” to a single phase machine.
NOTE: The electrical service to a gas tumbler must
be electrically grounded in accordance with local
codes or, in the absence of local codes, with the
National Electric Code, ANSI/NFPA No. 70. The
gas service to a gas tumbler must conform with the
local codes and ordinances, or in the absence of
local codes and ordinances, with the latest edition
of the National Fuel Gas Code ANSI Z223.1.
WARNING
All electrical connections should be made
by a qualified electrician.
The following steps outline the procedure for
connecting the electrical service to the tumbler. The
wiring diagram is attached to the rear of the tumbler.
To reduce the risk of electrical shock,
serious injury or death, before making any
electrical connections, de-energize the
electrical circuit being connected to the
tumbler. Never attempt to connect a live
IMPORTANT: Do not connect the tumbler to any
voltage or current other than that specified on the
tumbler serial plate.
circuit.
W650
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Installation Instructions
1. Install a fused disconnect switch, or a circuit
breaker, as close to the tumbler as possible. If
more than one stacked tumbler is being installed,
provide a disconnect switch or circuit breaker for
each. This will make it possible to individually
disconnect stacked tumblers for maintenance
purposes.
Grounding Instructions
This drying tumbler must be grounded. In the event of
malfunction or breakdown, grounding will reduce the
risk of electronic shock by providing a path of least
resistance for electric current. This dryer must be
connected to a grounded metal, permanent wiring
system or to the ground screw (located in the junction
box).
2. Connect the conduit-encased leads to the
disconnect switch, or circuit breaker. Remove the
screw holding the upper junction box cover to the
other end of conduit through the hole in the top
of the junction box. Connect the wire leads to the
appropriate terminals of the terminal block
(L1 and L2 or L1 and N). If the electrical service
is 120 Volt, connect the neutral wire to
WARNING
To reduce the risk of fire and electric
shock, check with a qualified
serviceperson for proper grounding
procedures. Improper connection of the
equipment grounding conductor may
NEUTRAL. The ground wire must be connected
to the green ground screw located in the junction
result in a risk of electric shock.
W068R1
3. Reinstall cover on the junction box.
IEI
Board
Terminal
Jumper
Block
Ground
Screw
Terminal
Block
TMB2161N
Figure 10
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Installation Instructions
Before connecting the gas piping to the tumbler, make
certain that gas service is the same as that specified on
the nameplate (below the gas connection). Refer to
Purge air and sediment from the gas service line before
connecting it loosely to the tumbler. Purge remaining
air until odor of gas is detected, then tighten
connection. Use pipe compound resistant to actions of
L.P. gas on all pipe threads.
NATURAL GAS service must be supplied at 6-1/2
1-1/2 inches water column pressure.
WARNING
L.P. GAS service must be supplied at 11 .3 inches
water column pressure.
Check all pipe connections, internal and
external, for gas leaks using a soapy
solution. To reduce the risk of explosion or
fire, DO NOT USE AN OPEN FLAME TO
CHECK FOR LEAKS! Gas connections
WARNING
To reduce the risk of fire or explosion, DO
NOT CONNECT THE GAS LINE TO EITHER
OF THE TUMBLERS IF THE GAS SERVICE
IS NOT THE SAME AS THAT SPECIFIED ON
THE TUMBLER! It will first be necessary to
convert the gas burner orifice and gas
valve. Appropriate conversion kits are
should be checked annually for leakage.
W649
Serial Plate
(Name Plate)
Also located
inside loading
door hinge
available.
W652
IMPORTANT: Any product revisions or
conversions must be made by the Manufacturer’s
Authorized Dealers, Distributors or local service
personnel.
Wiring
Diagram
WARNING
To reduce the risk of fire or explosion:
• The tumbler and its individual shut-off
valve must be disconnected from the gas
supply piping system during any
pressure testing of that system at test
pressures in excess of 1/2 psig (3.45
kPa).
TMB2151N
• The tumbler must be isolated from the
gas supply piping system by closing its
individual manual shut-off valve during
any pressure testing of the gas supply
piping system at test pressure equal to
Figure 11
or less than 1/2 psig (3.45 kPa).
W648
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Installation Instructions
IMPORTANT: The Instant Electronic Ignition
system will attempt to light the gas by sparking for
approximately 15 seconds. If gas does not ignite
within 15 seconds, the Instant Electronic Ignition
control will go into safety lockout (if this occurs, the
red light on the IEI board will be illuminated). The
valve will not open until the Instant Electronic
Ignition control is reset. Reset by opening and
closing the loading door.
Instructions for Lighting and
Shutting Down Instant Electronic
Ignition System
1. Turn gas shut-off valve to “on” position (handle
2. Start tumbler in drying cycle. Spark igniter will
begin sparking as the gas valve simultaneously
opens. The gas burner is ignited by the sparking
igniter. The igniter will then shut off. Burner will
remain on for as long as the temperature control
calls for heat.
If condition persists, check that the gas shut-off
valve is open and that gas service is properly
connected. If condition still persists, remove
tumbler from service.
3. Opening the loading door will extinguish burner
flames. Closing loading door and restarting
tumbler should cause gas to be re-ignited.
5. To remove tumbler from service, disconnect
electrical service and turn gas shut-off valve to
“off” position (handle at right angle to gas line).
4. If gas does not light, open and close loading door
again and restart the ignition cycle.
On
Position
Off
Position
Gas
Line
TMB2162N
Figure 12
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Notes
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Adjustments
4. If the tab on the door operates the switch before
Air Flow Switch
the two inch distance, bend tab on loading door
OUTWARD away from machine (towards the
hinge) and repeat steps 1 and 2.
The air flow switch on the 32DG model is set at the
factory for proper operation.
IMPORTANT: Air flow switch vane must remain
closed during operation. If it opens and closes
during the drying cycle, this indicates insufficient
air flow through the tumbler. If switch remains
open, or pops open and closed during the cycle, the
heating system will shut off. The cylinder and fan
will continue to operate even though the air flow
switch is malfunctioning.
Cylinder Door Strike
The door strike must be adjusted to have sufficient
tension to hold loading door closed against force of
load tumbling against it. Proper adjustment is when
eight to 15 pounds (35.6N to 80N) pull is required to
open door.
To adjust, open door, loosen jamnut and turn door
strike screw in or out as required. Retighten jamnut.
Refer to the Parts and Service manual for information
on adjusting the air flow switch.
Drive V-Belt
NOTE: Air flow switch operation may be affected
by a clogged lint screen, lack of make-up air, or
obstructions in the customer installed main or
collector ducts. These conditions must be checked
and corrected before attempting to adjust the air
flow switch.
WARNING
To avoid serious injury, disconnect power
to the tumbler before performing this
operation.
Cylinder Door Switch and Strike
W653
The door switch should be adjusted so the cylinder
stops when door is opened two inches (5.08 cm), plus
or minus 1/4 inch (6.35 mm). This switch is a
normally open switch and is closed when the door is
closed.
The drive V-belt tension is automatically set by a
spring loaded idler system. There is no adjustment.
WARNING
1. Close door and start tumbler, slowly open loading
door. Cylinder and heat system should shut off
when door is open two inches plus or minus 1/4
inch.
Guard/panel MUST be re-installed on rear
of tumbler after belt adjustment is made.
W654
2. Slowly close loading door. When door is two
inches (5.08 cm) from being fully closed, the tab
on the door should contact the switch plunger and
depress it enough to close the switch with an
1. Remove belt guard front panel from rear of
tumbler.
2. The belt should show no signs of excess wear or
cracking. If it does, replace with a genuine
service replacement.
3. If tab does not depress the switch plunger enough
to operate the switch, bend tab on loading door
INWARD towards machine (away from hinge)
and repeat steps 1 and 2.
3. Ensure that spring loaded idler arm is free to
move by squeezing the belt together. Idler arm
should move freely with moderate
(approximately 20 pounds, 9.08 kg) of spring
force.
4. Replace the belt guard. Failure to do so will result
in the tumbler not starting.
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Operating Checks
5. Start the tumbler and check the burner flame.
Electronic Control
6. Load the cylinder with 30 pounds of cotton
clothes or clean rags.
The stacked tumbler comes equipped with an
Electronic Control. The Electronic Control gives the
owner a variety of programming options. To learn how
to use the Electronic Control in more detail, consult
the supplemental manual provided with this machine.
7. Check the air flow switch operation by opening
the loading door. The heating system should shut
off when the loading door is opened a distance of
one to 1-1/2 inches (25 to 38 mm).
Preliminary Operating Check
1. Remove or open all panels, drawers and guards
and check accessible bolts, nuts, screws,
terminals and fittings for tightness (only remove
front panel of the belt guard).
WARNING
The tumbler must not be operated if the
airflow switch does not shut off heating
system in step 8. Faulty airflow switch may
cause an explosive gas mixture to collect
WARNING
in the tumbler.
Guards/panels must be replaced prior to
energizing unit to reduce the risk of
W656
possible serious injury.
The airflow switch operation may be affected by
shipping tape still in place, lack of make-up air, or an
obstruction in the exhaust duct. These should be
checked and the required corrective action taken
before attempting to adjust the airflow switch. To
adjust the airflow switch refer to appropriate
W655
2. Replace belt guard front panel on rear of
machine.
3. Set Electronic Control for Free Dry, refer to
Electronic Control Supplemental Manual for
instructions.
paragraph in the Adjustments section of this manual.
4. Start the tumbler by pressing and releasing the
START pad. Open the loading door. The cylinder
should stop rotating within seven seconds after
the door is opened a distance of 1-3/4 to 2-1/4
inches (45 to 57 mm). If it does not, adjust the
loading door interlock. Refer to the appropriate
paragraph in the Adjustments section of this
manual.
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Notes
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Operating Instructions
The following steps outline the procedure for
operating the tumbler through a complete drying
cycle.
WARNING
To reduce the risk of serious injury, allow
cylinder to stop before cleaning lint screen.
W412
WARNING
To reduce the risk of fire:
1. Energize the electrical circuit to the tumbler at
the disconnect switch or the circuit breaker.
• DO NOT DRY articles containing foam
rubber or similarly textured rubberlike
materials.
2. Open the lint drawer and check for any
accumulated lint on lint screen. Close drawer
tightly against tumbler front panel and lock
drawer securely.
• DO NOT DRY plastics, anything
containing wax or chemicals such as
mops and cleaning cloths, or anything
dry-cleaned at home with a dry-cleaning
solvent.
IMPORTANT: Failure to tightly close lint drawer
will result in the tumbler not starting.
• DO NOT TUMBLE fiberglass curtains and
draperies unless the label says it can be
done. If they are dried, wipe out the
cylinder with a damp cloth to remove
3. Open the loading door and load the cylinder with
laundry. The unit is designed for a 30 pound
cotton load (dry maximum load). DO NOT
overload! Overloading will result in excessive
drying time, wrinkled laundry and wear to
cylinder bearings or rollers.
particles of fiberglass.
W076
IMPORTANT: DO NOT TUMBLE fiberglass
curtains and draperies unless the label says it can
be done. If they are dried, wipe out the cylinder
with a damp cloth to remove particles of fiberglass.
4. Refer to Section IV of the Electronic Control
manual for further instructions on how to operate
the stacked tumbler. The Electronic Control
manual is supplied with the tumbler.
Always follow the fabric care instructions supplied by
the garment manufacturer.
NOTE: Electrical power to the tumbler must be on.
14.
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Notes
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Preventive Maintenance Instructions
WARNING
To reduce the risk of electric shock, fire, explosion, serious injury or death:
• Disconnect electric power to the tumbler before servicing.
• Close gas shut-off valve to gas tumbler before servicing.
• Close steam valve to steam tumbler before servicing.
• Never start the tumbler with any guards/panels removed.
• Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the tumbler is properly grounded.
W002
Daily
Monthly
Lint Removal
Lubrication
Motor bearings, fan bearings, cylinder bearings and
cylinder roller bearings are pre-lubricated sealed
bearings and require no lubrication.
WARNING
To reduce the risk of serious injury, do not
open the lint panel while the tumbler is in
operation. Before cleaning the lint screen,
open tumbler door and allow cylinder to
completely stop.
Lint Removal
Remove the exhaust duct from exhaust thimble and
remove lint. If excessive lint is evident at the thimble,
further disassemble the duct work and remove lint.
Also, remove blower housing assembly from cabinet
and remove any lint present in blower housing or on
fan.
W410
1. Unlock the lint drawer and remove it. Refer to
2. Remove all accumulated lint in the lint
compartment area by tipping the drawer over a
garbage collection can or similar container.
3. Be sure the lint screen is not torn. If it is, replace
immediately. A torn screen allows lint to pass
from the tumbler to the ductwork system creating
a restriction to air circulation or adversely
affecting the recirculation function of the
tumbler. Both affect machine efficiency.
4. The lint screen is designed to completely cover
the entire opening in the angled section of the lint
drawer. Be sure that it does so. Excessive gaps
between the lint screen and the lint drawer allows
lint to pass into the ductwork system.
5. Wipe any accumulated lint from the lint drawer
compartment area. Failure to do so will allow a
buildup of lint in this area.
6. Reinstall the lint drawer, ensuring a tight fit and
lock.
IMPORTANT: Failure to lock lint drawer will
result in the tumbler not starting.
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Preventive Maintenance Instructions
4. Inspect the belt tensioning idler assembly. The
idler arm should move freely (with considerable
belt-spring tension [approximately 40 pounds])
and should not bind in any position between
stops.
Every Six Months
Lint Removal and Cylinder Belt Inspection
WARNING
5. Clean lint off any of the idler assembly parts.
6. Reassemble the front panel by lifting and placing
the panel at its edge resting on the machine front.
To reduce the risk of serious injury,
disconnect power to the tumbler before
performing this operation.
7. Reach in through door opening, and connect the
terminal blocks to each control housing.
W657
8. Push the front panel into place and line up holes.
Drive System
9. Insert corner screws first and then remaining
screws. Tighten all screws.
1. Remove belt guard cover.
2. Clean the lint and any other foreign materials
from the air vents located on the front and back
of the drive motor. The drive motor is air cooled
and if the air vents become clogged, the motor
will overheat and the internal thermal overload
protector will cycle off.
10. Reinstall lint drawer, pressing it firmly against
the front panel and locking it.
11. Reinstall loading door.
Overall Check
3. Reinstall belt guard cover.
Check the tumbler over thoroughly for loose nuts,
bolts and screws and for loose gas and electrical
connections.
Front Panel
1. Remove front panel by removing lint drawer and
loading door. Remove fastening screws for front
panel, disconnect control housing, terminal
blocks.
WARNING
To reduce the risk of fire or electric shock,
electrical connections such as electric
service and grounding connections should
be examined for proper torque a week after
initial installation, again after a month of
2. Pull front panel out. Remove any lint that has
accumulated in the corner of the inside. Use a
vacuum where possible or a small brush.
3. The poly-v cylinder belt tension is automatically
set by a spring loaded idler system. There is no
adjustment. The belt should show no signs of
excess wear or cracking. If it does, replace with a
genuine service replacement.
operation and thereafter every six months.
W658
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Preventive Maintenance Instructions
(DATES)
Three Month
Maintenance
Clean air vents on drive motor.
Check and clean steam coils.
(Steam Models Only)
Clean exhaust ducts.
Check flow of combustion air.
Check flow of ventilation air.
Check belt tension.
Check chain tension.
(DATES)
Six Month
Maintenance
Check for loose nuts.
Check for loose bolts.
Check for loose screws.
Check for loose gas
connections.
Check for loose electrical
connections.
Check for loose steam
connections. (Steam Models
Only.)
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