Alliance Laundry Systems Clothes Dryer Stacked Drying Tumbler User Manual

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  
Linstallation 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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M412060  
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Information For Handy Reference....................................................  
Important Safety Instructions ...........................................................  
2
5
Table of  
Contents  
Introduction.........................................................................................  
7
Dimensions and Specifications...........................................................  
9
Installation Instructions..................................................................... 11  
Example Of Gas Supply Piping............................................................ 21  
Instructions for Lighting and Shutting Down Instant  
Electronic Ignition System................................................................. 25  
Adjustments......................................................................................... 27  
Operating Checks ............................................................................... 29  
Operating Instructions....................................................................... 31  
(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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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  
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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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M412060  
11  
               
Installation Instructions  
Individual Venting  
Combined Exhaust Manifold Venting  
For maximum efficiency and performance, it is  
preferred to exhaust tumbler(s) individually to the  
outdoors. Refer to Figure 1 and 2. AT NO POINT  
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  
combined exhaust manifold, refer to Figure 2. Refer to  
Figure 3 for proper manifold duct construction. THE  
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  
is sized according to Figure 4. These illustrations  
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  
Figures 4 and 5. The individual tumbler ducts must  
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  
ducted units as shown. Refer to Figure 1.  
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.  
A typical enclosure is shown in Figure 5. Note that the  
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.  
Refer to table in Figure 7 for general pipe size.  
A dirt and water vapor pipe trap must be furnished and  
installed by customer. Refer to Figure 6.  
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.  
Refer to Figure 6.  
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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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)  
Using the table in Figure 7, the main supply pipe diameter should be  
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.  
Refer to Figure 10.  
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  
upper junction box. Refer to Figure 10. Insert 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  
box. Refer to Figure 10.  
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  
parallel with gas line). Refer to Figure 12.  
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).  
Refer to Figure 12.  
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  
Refer to Figure 14.  
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  
audible “click.” Refer to Figure 13.  
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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M412060  
27  
       
Adjustments  
Front Serial  
Plate  
Location  
Door  
Tab  
Door  
Switch  
TMB2163N  
Figure 13  
TMB2164N  
Figure 14  
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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.  
The AVAILABLE light will be lit. Refer to Figure  
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  
TMB2165N  
Figure 15  
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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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35  
         
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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