WARNING: For your safety the
information in this manual must be
followed to minimize the risk of fire or
explosion and to prevent property
damage, personal injury or death.
— Do not store or use gasoline or other
flammable vapors and liquids in the
vicinity of this or any other appliance.
— WHAT TO DO IF YOU SMELL GAS:
•Do not try to light any appliance.
•Do not touch any electrical switch.
•Do not use any phone in your
building.
•Clear the room, building or area of
all occupants.
•Immediately call your gas supplier
from a neighbor’s phone. Follow
the gas supplier’s instructions.
•If you cannot reach your gas
supplier, call the fire department.
— Installation and service must be
performed by a competent professional.
AVERTISSEMENT: Assurez-vous de
bien suivre les instructions données dans
cette notice pour réduire au minimum le
risque d’incendie ou d’explosion ou pour
éviter tout dommage matériel, toute
blessure ou la mort.
— Ne pas entreposer ni utiliser d’essence
ni d’autres vapeurs ou liquides
inflammables à proximité de cet
appareil ou de tout autre appareil.
— QUE FAIRE SI VOUS SENTEZ UNE
ODEUR DE GAZ:
•Ne pas tenter d’allumer d’appareils.
•Ne touchez à aucun interrupteur.
Ne pas vous servir des téléphones
se trouvant dans le bâtiment.
•Évacuez la pièce, le bâtiment ou
la zone.
•Appelez immédiatement votre
fournisseur de gaz depuis un
voisin. Suivez les instructions du
fournisseur.
•Si vous ne pouvez rejoindre le
fournisseur de gaz, appelez le
service des incendies.
— L’installation et l’entretien doivent
être assurés par un professionnel
compétent.
JLA Limited
Meadowcroft Lane, Halifax Road
Ripponden
West Yorkshire, England
HX6 4AJ
Telephone: 01422 822282 / Fax: 01422 824390
Part No. 113428-9
Page 2
Retain This Manual in a Safe Place for Future Reference
This product embodies advanced concepts in engineering, design, and safety. If this product is properly
maintained, it will provide many years of safe, efficient, and trouble free operation.
Only qualified technicians should service this equipment.
OBSERVE ALL SAFETY PRECAUTIONS displayed on the equipment or specified in the installation
manual included with the dryer.
The following “FOR YOUR SAFETY” caution must be posted near the dryer in a prominent location.
FOR YOUR SAFETY
Do not store or use gasoline
or other flammable vapors
and liquids in the vicinity of
this or any other appliance.
We have tried to make this manual as complete as possible and hope you will find it useful. The manufacturer
reserves the right to make changes from time to time, without notice or obligation, in prices, specifications,
colors, and material, and to change or discontinue models. The illustrations included in this manual may not
depict your particular dryer exactly.
POUR VOTRE SÉCURITÉ
Ne pas entreposer ni utiliser d’essence
ni d’autres vapeurs ou liquides
inflammables à proximité de cet
appareil ou de tout autre appareil.
IMPORTANT
For your convenience, log the following information:
DATE OF PURCHASE ________________________________________________ MODEL NO. ________________________
DISTRIBUTOR’S NAME ___________________________________________________________________________________
Serial Number(s) ________________________________________________________________________________________
Replacement parts can be obtained from your distributor or JLA. When ordering replacement parts, you can
FAX your order to JLA at 01422 824390 or telephone your order directly to the JLA Parts Department at
01422 822282. Please specify the dryer model number and serial number in addition to the description and
part number, so that your order is processed accurately and promptly.
“IMPORTANT NOTE TO PURCHASER”
Information must be obtained from your local gas supplier on the
instructions to be followed if the user smells gas. These
instructions must be posted in a prominent location near the dryer.
2JLA Limited113428-9
Page 3
IMPORTANT
You must disconnect and lockout the electric
supply and the gas supply or the steam supply
before any covers or guards are removed from
the machine to allow access for cleaning,
adjusting, installation, or testing of any
equipment per OSHA standards.
Please observe all safety precautions displayed
on the equipment and/or specified in the
installation manual included with the dryer.
Before installation, check that the local
distribution conditions, nature of gas and
pressure, and adjustment of the appliances are
compatible.
CAUTION
Dryer(s) should never be left unattended while
in operation.
“Caution: Label all wires prior to disconnection
when servicing controls. Wiring errors can
cause improper operation.”
«Attention: Lor des opérations d’entretien des
commandes étiqueter tous fils avant de les
déconnecter. Toute erreur de câblage peut étre
une source de danger et de panne.»
WARNING
Children should not be allowed to play on or
near the dryer(s). Children should be supervised
if near dryer(s) in operation.
Under no circumstances should the dryer door
switch(es), lint door/drawer switch(es), or heat
safety circuit(s) ever be disabled.
The dryer must never be operated without the
lint filter/screen in place, even if an external lint
Data Label Information ........................ 27
collection system is used.
FOR YOUR SAFETY
List of Acronyms __________________________
Do not dry mop heads in the dryer. Do not
use dryer in the presence of dry cleaning
fumes.
The dryers must not be installed or stored in an
area where it will be exposed to water
and/or weather.
The wiring diagram for the dryer is located
behind the control panel.
113428 -9Telephone 01422 8222823
HVAC Heating, Ventilating, and Air-Conditioning
in WC Inches of Water Column
L.C.D. Liquid Crystal Display
L.E.D. Light Emitting Diode
L.P.Liquid Propane
OSHA Occupational Safety and Health Administration
ULUnderwriters Laboratory
Page 4
Safety Precautions____________________
Warning
For your safety, the information in this manual must
!
be followed to minimize the risk of fire or explosion
and to prevent property damage, personal injury, or loss of
life.
The dryer must never be operated with any of the back
guards, outer tops, or service panels removed. Personal
injury or fire could result.
Failure to properly install, maintain, and/or operate dryer
according to this manual and operator’s manuals included
with dryer may result in conditions, which can cause serious
injury, death and/or property damage.
Do not store or use gasoline or other flammable vapors and
liquids in the vicinity of this or any other appliance.
Purchaser and user should consult the local gas supplier for
proper instructions to be followed in the event the user smells
gas. The instructions should be posted in a prominent location.
A program should be established for the inspection and
cleaning of lint in the burner area, exhaust ductwork, and area
around the back of the dryer. The frequency of inspection and
cleaning can best be determined from experience at each
location.
Do not operate steam dryers with more than 150 psi (10.34
bar) steam pressure. Excessive steam pressure can damage
the steam coil and/or harm personnel.
Replace leaking flexible hoses or other steam fixtures
immediately. Do not operate the dryer with leaking flexible
hoses. Personal injury may result.
Warning
The collection of lint in the burner area and exhaust
!
ductwork can create a potential fire hazard.
For personal safety, the dryer must be electrically grounded in
accordance with local codes and/or the National Electrical
Code ANSI/NFPA NO. 70-LATEST EDITION or in Canada, the
Canadian Electrical Codes Parts 1 & 2 CSA C22.1-1990 or
LATEST EDITION.
What To Do If You Smell Gas:
• Do not try to light any appliance.
• Do not touch any electrical switch.
• Do not use any phone in your building.
• Clear the room, building, or area of all occupants.
• Immediately call your gas supplier from a neighbor’s
phone. Follow the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire
department.
Installation and service must be performed by a qualified
installer, service agency, or gas supplier.
Dryers must be exhausted to the outdoors.
Although the manufacturer produces a very versatile dryer,
there are some articles that, due to fabric composition or
cleaning method, should not be dried in it.
Warning
Dry only water washed fabrics. Do not dry articles
!
spotted or washed in dry cleaning solvents,
combustible detergents, or “all purpose” cleaner. Explosion
could result.
Do not dry rags or articles coated or contaminated with
gasoline, kerosene, oil, paint, or wax. Explosion could
result.
Items that have been spotted or soaked with vegetable or
cooking oil constitute a fire hazard and should not be placed
in a tumble dryer.
Do not dry mop heads. Contamination by wax or flammable
solvents will create a fire hazard.
Do not use heat for drying articles that contain plastic, foam,
sponge rubber, or similarly textured rubber materials.
Drying in a heated tumbler may damage plastics or rubber
and also may be a fire hazard.
Note
Failure to electrically ground the dryer properly will
!
void the warranty.
Warning
Personal injury or fire could result should the dryer
!
door switch, lint door/drawer, or heat safety circuit
ever be disabled.
Remove articles from the dryer as soon as the drying cycle
has been completed.
Warning
Articles left in the dryer after the drying and cooling
!
cycles have been completed can create a fire
hazard.
For safety, proper operation, and optimum performance, the
dryer must not be operated with a load less than 66% of its
rated capacity.
Warning
You must disconnect and lockout the electric
!
supply and the gas supply or the steam supply
before any covers or guards are removed from the machine
to allow access for cleaning, adjusting, installation, or
testing of any equipment per OSHA standards.
Important
The dryer must be installed in a location/
!
environment, which the ambient temperature
remains between 40° F (4.44° C) and 130° F (54.44° C).
The operation of this appliance may affect the operation of
other types of gas appliances, which take their air for safe
combustion from the same room. If in doubt, consult the
appliance manufacturer(s).
Use this dryer only for its intended purpose, drying fabrics.
4JLA Limited113428- 9
Page 5
The “Cool Down” Cycle of tumble dryers should be used to
reduce the temperature of the items. They should not be
removed from the tumble dryer or piled or stacked while hot.
Fabric softeners or similar products should not be used in a
tumble dryer to eliminate the effects of static electricity, unless
this practice is specifically recommended by the manufacturer
of the fabric softener or product.
Warning
To reduce the risk of personal injury, install lockable
!
doors to prevent public access to the rear of the
dryers.
Exhaust duct outlet should be checked periodically for
blockages, and if any found, removed.
Important
A means of restraint must be used to prevent
!
straining of the gas supply when the appliance is
moved.
An external means of power removal (disconnect device)
must be provided by the installer.
CE ONLY
Important
This appliance must only be installed and operated
!
in the country of destination indicated on the
dryer’s data plate. If the appliance is to be installed and
operated in a country other than the one indicated on the
data plate, a data plate amendment must be obtained from
JLA Limited.
NOTES ____________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
Warning
This appliance must only operate with the gas type
!
indicated on the dryer’s data plate. If the appliance
is converted (gas type is changed), a data plate amendment
must be obtained from JLA Limited.
This appliance may cause spillage of products of
combustion from an open-flue appliance fitted in the same
room, and that such an appliance shall be tested for
clearance of products with the appliance in operation and all
windows and doors closed.
MAXIMUM CAPACITY (DRY WEIGHT) PER P OCKET30 lb
TUMBLER DIAMETER30”
TUMBLER DEPTH27”
TUMBLER VOLUME
TUMBLER/DRIVE MOTOR
BLOWER/FAN MOTOR
DOOR OPENING
DOOR SILL HEIGHT
PER POCKET11.04 cu ft
PER POCKET1/4 hp
PER POCKET1/2 hp
(DIAMETER)19-3/8”
TOP POCKET / BOTTOM POCKET54-11/16” / 14-7/8”
WATER CONNECTION3/4”-11.5 NH
13.61 kg
76.20 cm
68.58 cm
312.62 L
0.19 kW
0.37 kW
49.21 cm
138.91 cm / 37.78 cm
(North America)
3/4” B.S.P.T. (Outside North America)
DRYERS PER 20’/40’ CONTAINER12 / 28
DRYERS PER 48’/53’ TRUCK34 / 38
VOLTAGE AVAILABLE120-240V 1ø 2w 50/60 Hz
APPROXIMATE NET WEIGHT550 lb
APPROXIMATE SHIPPING WEIGHT580 lb
AIRFLOW
PER POCKET
60 Hz
50 Hz
HEAT INPUT
EXHAUST CONNECTION
Gas
COMPRESSED AIR CONNECTIONN / A
PER POCKET55,000 Btu/hr
(DIAMETER) PER POCKET6”
360 cfm
300 cfm
249.48 kg
263.08 kg
10.19 cmm
8.49 cmm
13,860 kcal/hr
15.24 cm
COMPRESSED AIR VOLUMEN / A
INLET PIPE CONNECTION
PER POCKET1/2” M.N.P.T.
3/8” M.B.S.P.T.
(CE and Australia Only)
VOLTAGE AVAILABLE200-416V 1,3ø 2,3,4w 50/60 Hz
APPROXIMATE NET WEIGHT550 lb
APPROXIMATE SHIPPING WEIGHT580 lb
AIRFLOW
PER POCKET
EXHAUST CONNECTION
60 Hz
50 Hz
(DIAMETER) PER POCKET6”
360 cfm
300 cfm
249.48 kg
263.08 kg
10.19 cmm
8.49 cmm
15.24 cm
COMPRESSED AIR CONNECTIONN / A
COMPRESSED AIR VOLUMEN / A
OVEN SIZE
kWBtu/hr
7.926,962
8.328,327
Electric
9.030,716
11.338,566
12.442,320
12.542,661
13.546,074
PER POCKET
kca l/hr
6,794
7,138
7,740
9,719
10,665
10,751
11,611
VOLTAGE AVAILABLE120-240V 1ø 2w 50/60 Hz
APPROXIMATE NET WEIGHT580 lb
APPROXIMATE SHIPPING WEIGHT610 lb
AIRFLOW
PER POCKET
STEAM CONSUMPTION
60 Hz
50 Hz
PER POCKET63 lb/hr
360 cfm
300 cfm
OPERATING STEAM PRESSURE150 psi max
EXHAUST CONNECTION
(DIAMETER) PER POCKET6”
263.08 kg
276.69 kg
10.19 cmm
8.49 cmm
28.58 kg/hr
10.34 bar
15.24 cm
COMPRESSED AIR CONNECTIONN / A
Steam
COMPRESSED AIR VOLUMEN / A
BOILER HORSEPOWER
SUPPLY CONNECTION
RETURN CONNECTION
Shaded areas are stated in metric equivalents9/30/05
(NORMAL LOAD) PER POCKET1.75 Bhp
PER POCKET1/2” F.N.P.T.
PER POCKET1/2” M.N.P.T.
Note
!
The manufacturer reserves the right to make changes in specifications at any time without notice or obligation.
Installation should be performed by competent professional
in accordance with local, state, and country codes. In the
absence of these codes, the installation must conform to
applicable American National Standards: ANSI Z223.1-LATEST
EDITION (National Fuel Gas Code) or ANSI/NFPA NO. 70LATEST EDITION (National Electrical Code) or in Canada,
the installation must conform to applicable Canadian
Standards: CAN/CGA-B149.1-M91 (Natural Gas) or CAN/CGAB149.2-M91 (L.P. Gas) or LATEST EDITION (for General
Installation and Gas Plumbing) or Canadian Electrical Codes
Parts 1 & 2 CSA C22.1-1990 or LATEST EDITION (for Electrical
Connections).
Location Requirements _______________
Before installing the dryer, be sure the location conforms to
local codes and ordinances. In the absence of such codes or
ordinances the location must conform with the National Fuel
Gas Code ANSI.Z223.1 LATEST EDITION, or in Canada, the
installation must conform to applicable Canadian Standards:
CAN/CGA-B149.1-M91 (Natural Gas) or CAN/CGA-B149.2M91 (L.P. Gas) or LATEST EDITION (for General Installation
and Gas Plumbing).
The dryer must be installed on a sound level floor capable of
supporting its weight. Carpeting must be removed from the
floor area that the dryer is to rest on.
The dryer must not be installed or stored in an area where it
will be exposed to water and/or weather.
Provisions for adequate air supply must be provided as noted
in this manual (refer to Fresh Air Supply Requirements section).
Clearance provisions must be made from combustible
construction as noted in this manual (refer to Dryer Enclosure
Requirements section).
Provisions must be made for adequate clearances for servicing
and for operation as noted in this manual (refer to Dryer
Enclosure Requirements section).
The dryer must be installed with a proper exhaust duct
connection to the outside as noted in this manual (refer to
Exhaust Requirements section).
The dryer must be located in an area where correct exhaust
venting can be achieved as noted in this manual (refer to
Exhaust Requirements section).
Unpacking/Setting Up _________________
Remove protective shipping material (i.e., plastic wrap and
optional shipping box) from the dryer.
Important
Dryer must be transported and handled in an
!
upright position at all times.
The dryer can be moved to its final location while still attached
to the skid or with the skid removed. To remove the skid from
the dryer, locate and remove the 2 bolts securing the base of
the dryer to the wooden skid. One is located at the center rear
and the other is at the center front.
With the skid removed, use caution and assure all four leveling
legs are fully retracted, if the dryer is to be slid into its final
position.
Leveling Dryer
The dryer is equipped with 4 leveling legs, 1 at each corner of
the base. For optimum performance the dryer should be level
front-to-back and side-to-side.
Dryer Enclosure Requirements _______
Bulkheads and partitions should be made of noncombustible
material.
Note
Allowances must be made for opening the control
!
door.
Important
The dryer should be located where a minimum
!
amount of exhaust ducting will be necessary.
The dryer must be installed with adequate clearance for air
openings into the combustion chamber.
Caution
This dryer produces combustible lint and must be
!
exhausted to the outdoors. Every 6 months,
inspect the exhaust ducting and remove any lint buildup.
Important
The dryer must be installed in a location/
!
environment, which the ambient temperature
remains between 40° F (4.44° C) and 130° F (54.44° C).
10JLA Limited113428- 9
AThe requirement to allow the door to open completely for
the T20 stack is 30-inches (76.2 cm), and for the T30 stack
is 33-inches (83.8 cm).
BA minimum overhead clearance of 6-inches (15.24 cm) is
required.
CDryer should be positioned a minimum of 12-inches (30.48
cm) away from the nearest obstruction. 24-inches (60.96
cm) is recommended for ease of installation, maintenance,
and service.
D1/16” (1.5875 mm) minimum is required.
EFlooring should be level or below dryer cabinet for ease
of removing panels during maintenance.
FDryers may be positioned sidewall to sidewall, however a
1/16” (1.5875 mm) minimum allowance must be made for
the opening and closing of the control door, along with
the removal of panels during maintenance.
Page 11
Fresh Air Supply Requirements _______
When the dryer is operating, it draws in room air, heats it,
passes this air through the tumbler, and exhausts it out of the
building. Therefore, the room air must be continually
replenished from the outdoors. If the make-up air is
inadequate, drying time and drying efficiency will be adversely
affected. Ignition problems and sail switch “fluttering” problems
may result, as well as premature motor failure from
overheating. The dryer must be installed with provisions for
adequate combustion and make-up air supply.
Air supply (make-up air) must be given careful consideration
to ensure proper performance of each dryer. As a general
rule, an unrestricted air entrance from the outdoors of 110 inch
(710 cm2) is required for each T30 stack and 80 inch2 (516
2
) for each T20 stack. (Based on 1 inch2 [6.5 cm2] per 1,000
cm
Btu [252 kcal].)
It is not necessary to have a separate make-up air opening for
each dryer. Common make-up air openings are acceptable.
However, they must be set up in such a manner that the
make-up air is distributed equally to all the dryers.
Exhaust Requirements ________________
Exhaust ductwork should be designed and installed by a
qualified professional. Improperly sized ductwork will create
excessive back pressure, which results in slow drying,
increased use of energy, and shutdown of the burner by the
airflow (sail) switch, burner hi-limits, or lint chamber hi-limit
protector thermostat. The dryer must be installed with a proper
exhaust duct connection to the outside.
Caution
This dryer produces combustible lint and must be
!
2
Improperly sized or installed exhaust ductwork can create a
potential fire hazard.
The ductwork should be laid out in such a way that the ductwork
travels as directly as possible to the outdoors with as few turns
as possible. There should be a minimum 6-inch (15.24 cm)
clearance between the back guard and the first bend in the
ductwork for ease of servicing. Single or independent dryer
venting is recommended. It is suggested that the use of 90°
turns be avoided; use 30° and/or 45° bends instead. The radius
of the elbows should preferably be 1-1/2 times the diameter of
the duct. All ductwork should be smooth inside with no
projections from sheet metal screws or other obstructions,
which will collect lint. When adding ducts, overlap the duct
being connected. All ductwork joints must be taped to prevent
moisture and lint from escaping into the building. Back draft
dampers must be installed in all commonly ducted systems.
Inspection doors should be installed at strategic points in the
exhaust ductwork for periodic inspection and cleaning of lint
from the ductwork.
exhausted to the outdoors.
A = 14-inches (35.56 cm)B = 16-inches (40.64 cm)
EXAMPLE: For a bank of 4 T30 stack dryers, 2 unrestricted
openings measuring 14-inches by 16-inches (35.56 cm by
40.64 cm) are acceptable.
To compensate for the use of registers or louvers used over
the openings, this area must be increased by approximately
33%. Make-up air openings should not be located in an area
directly near where exhaust vents exit the building.
Allowances must be made for remote or constricting
passageways or where dryers are located at high altitudes or
predominantly low pressure areas.
Important
Make-up air must be free of dry cleaning solvent
!
fumes. Make-up air that is contaminated by dry
cleaning solvent fumes will result in irreparable damage to
the motors and other dryer components.
Note
Component failure due to dry cleaning solvent
!
fumes will void the warranty.
Important
It is recommended that exhaust or booster fans not
!
be used in the exhaust ductwork system.
Exhaust back pressure measured by a manometer/
magnehelic in the exhaust duct must be no less than 0 and
must not exceed 0.6 in WC (1.48 mb).
Note
When the exhaust ductwork passes through a wall,
!
ceiling, or roof made of combustible materials, the
opening must be 2-inches (5.08 cm) larger than the duct (all
the way around). The duct must be centered within this
opening.
As per the National Fuel Gas Code, “Exhaust ducts for type
2 clothes dryers shall be constructed of sheet metal or other
noncombustible material. Such ducts shall be equivalent in
strength and corrosion resistance to ducts made of
galvanized sheet steel not less than 26 gauge
(0.0195-inches [0.50 mm]) thick.”
The ductwork for this appliance must be suitable for the
appliance category in accordance with national installation
regulations of the country of destination.
113428 -9Telephone 01422 82228211
Page 12
Outside Ductwork Protection
To protect the outside end of the horizontal ductwork from the
weather, a 90° elbow bent downward should be installed where
the exhaust exits the building. If the ductwork travels vertically
up through the roof, it should be protected from the weather
by using a 180° turn to point the opening downward. In either
case, allow at least twice the diameter of the duct between the
duct opening and the nearest obstruction (refer to the diagram).
Important
Do not use screens, louvers, or caps on the outside
!
opening of the exhaust ductwork.
Single Dryer Venting
Important
For extended ductwork runs, the cross-sectional
!
area of the ductwork can only be increased to an
extent. When the ductwork approaches the maximum limits
as noted in this manual, a professional HVAC firm should be
consulted for proper venting information.
The length of the ductwork from the dryer to the outside exhaust
outlet, must not exceed 12 feet (3.66 meters) for the T30 stack
and 20 feet (6.10 meters) for the T20 stack. The minimum
diameter of this ductwork must be at least 8-inches (20.32
cm) even though the dryer exhaust duct connection is
smaller. Including tumbler/dryer elbow connections or elbows
used for outside protection from the weather, no more than 4
90° elbows should be used in the exhaust duct run. If more
than the equivalent of 4 90° elbows are used, the crosssectional area of the ductwork must be increased.
Multiple Dryer (Common) Venting
Important
For extended ductwork runs, the cross-sectional
!
area of the ductwork can only be increased to an
extent. When the ductwork approaches the maximum limits
as noted in this manual, a professional HVAC firm should be
consulted for proper venting information.
If it is not feasible to provide separate exhaust ducts for each
dryer, ducts from individual dryers may be channeled into a
“common main duct.” The individual ducts should enter the
bottom or side of the main duct at an angle not more than 45º
in the direction of airflow. The main duct should be tapered,
with the diameter increasing before each individual duct is
added. The minimum diameter of the individual ductwork must
be at least 8-inches (20.32 cm).
A = T20 Stack - 20 feet (6.10 meters)
T30 Stack - 12 feet (3.66 meters)
B = 8-inches (20.32 cm)
Important
No more than 4 dryers should be connected to 1
!
main common duct.
NOTES ____________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
NOTE 1 Opening from combustible materials must be 2-inches (5.08 cm) larger
than the duct (all the way around). The duct must be centered within
this opening.
NOTE 2 Distance should be 2 times the diameter of the duct to the nearest
obstruction.
12JLA Limited113428- 9
___________________________________________
___________________________________________
Page 13
The illustration below shows the minimum cross-sectional area
for multiple dryer round or square venting. These figures must
be increased if the main duct run from the last dryer to where
it exhausts to the outdoors is longer than 12 feet (3.656 meters)
or has more than 1 elbow in it.
Multiple Dryer Venting with 8-Inch (20.32 cm) Diameter
460 cfm (13.03 cmm) Exhaust Connections at Common Duct
NUMBER OF DRYERS4321
MINIMUM CROSSSECTIONAL AREA
MINIMUM ROUND
T20 Stack
DUCT DIAMETER
Multiple Dryer Venting with 8-Inch (20.32 cm) Diameter
720 cfm (20.39 cmm) Exhaust Connections at Common Duct
NUMBER OF DRYERS4321
MINIMUM CROSS-
SECTIONAL AREA
MINIMUM ROUND
T30 Stack
DUCT DIAMETER
A = 8-inches (20.32 cm)
B = 12 feet (3.656 meters)
SQ IN120808054
SQ CM774.2516.1516.1348.4
IN1210108
CM30.4825.425.420.32
SQ IN1641208054
SQ CM1058774.2516.1348.4
IN1412108
CM35.5630.4825.420.32
Note
Component failure due to improper installation will
!
void the warranty.
Each pocket should be connected to an independently
protected branch circuit. The dryer must be connected with
copper wire only. Do not use aluminum wire, which could cause
a fire hazard. The copper conductor wire/cable must be of
proper ampacity and insulation in accordance with electric
codes for making all service connections.
Note
The use of aluminum wire will void the warranty.
!
An individual ground circuit must be provided to
each pocket, do not daisy chain.
Component failure due to improper voltage application will
void the warranty.
The manufacturer reserves the right to make changes in
specifications at any time without notice or obligation.
Important
A separate protected circuit must be provided to
!
each pocket.
It is necessary to have a power disconnect for each pocket.
These disconnects must be located within 9 meters of the
unit and also be identified as being one of two power
sources supplying a dryer.
The dryer must be connected to the electric supply shown
on the data label. In the case of 208 VAC or 240 VAC, the
supply voltage must match the electric service specifications
of the data label exactly.
The wire size must be properly sized to handle the related
current.
NOTE 1 Opening from combustible materials must be 2-inches (5.08 cm) larger
than the duct (all the way around). The duct must be centered within
this opening.
NOTE 2 Distance should be 2 times the diameter of the duct to the nearest
obstruction.
Electrical Information_________________
Electrical Requirements
All electrical connections must be made by a properly licensed
and competent electrician. This is to ensure that the electrical
installation is adequate and conforms to local, state, and
national regulations or codes of the country of origin. In the
absence of such codes, all electrical connections, materials,
and workmanship must conform to the applicable requirements
of the National Electrical Code ANSI/NFPA NO. 70-LATEST
EDITION or in Canada, the Canadian Electrical Codes Parts
1 & 2 CSA C22.1-1990 or LATEST EDITION.
Important
Failure to comply with these codes or ordinances,
!
and/or the requirements stipulated in this manual
can result in personal injury or component failure.
Warning
208 VAC and 240 VAC are not the same. Any
!
damage done to dryer components due to improper
voltage connections will automatically void the warranty.
Warning (Gas Models Only)
Dryers built for use with a voltage between 200 and
!
240 must verify the input voltage during installation.
If the nominal voltage is outside of the medium tolerances
shown on the diagram below, adjust the autotransformers,
located near the burner assemblies. To adjust the
autotransformer wiring, place the red wire on the
appropriate tap (HIGH, MED, LOW) of the autotransformer.
For additional wiring details, refer to the electrical diagram
located on the inside of the control panel.
TER M
HIGH
MED
LOW
LINE VOLTAGE
50 Hz60 Hz
260
226
239
208
217
189
283
249
260
230
236
208
113428 -9Telephone 01422 82228213
Page 14
Electrical Service Specifications
Gas and Steam Models Only
ELECTRICAL SERVICE SPECIFICATIONS (PER POCKET)
IMPOR TANT :
NOTES
B.
C.
SERVICE
VOLTAGE
208 VAC AND 230/240 VAC ARE NOT THE SAME. When ordering,
specify exact voltage.
: A.
When fuses are used they must be dual element, time delay, current
limiting, class RK1 or RK5 ONLY. Calculate/determine correct fuse
value, by applying either local and/or National Electrical Codes to
listed appliance amp draw data.
Circuit breakers are thermal-magnetic (industrial) motor curve type
ONLY. For others, calculate/verify correct breaker size according to
appliance amp draw rating and type of breaker used.
Circuit breakers for 3-phase (3ø) dryers must be 3-pole type.
All electrically heated dryers must be connected to the electric
service shown on the dryer’s data label. The connecting wires
must be properly sized to handle the rated current.
208 VAC AND 230/240 VAC ARE NOT THE SAME. When ordering,
specify exact voltage.
: A.
When fuses are used they must be dual element, time delay, current
limiting, class RK1 or RK5 ONLY. Calculate/determine correct fuse
value, by applying either local and/or National Electrical Codes to
listed appliance amp draw data.
Circuit breakers are thermal-magnetic (industrial) type ONLY. For
others, calculate/verify correct breaker size according to appliance
amp draw rating and type of breaker used.
Circuit breakers for 3-phase (3ø) dryers must be 3-pole type.
PHASE
WIRE
SERVICE
APPROX.
AMP DRAW
60 Hz50 Hz
T20 Stack
T30 Stack
CIRCUIT
BREAKER
2/12/08
14JLA Limited113428- 9
Page 15
Grounding
A ground (earth) connection must be provided and installed in
accordance with local, state, and national regulations or codes
of the country of origin. In the absence of these codes,
grounding must conform to applicable requirements of the
National Electrical Code ANSI/NFPA NO. 70-LATEST
EDITION, or in Canada, the installation must conform to
applicable Canada Standards: Canadian Electrical Codes
Parts 1 & 2 CSA C22.1-1990 or LATEST EDITION. The ground
connection may be to a proven earth ground at the location
service panel.
For added personal safety, when possible, it is suggested that
a separate ground wire (size per local codes) be connected
from the ground connection of the dryer to a grounded cold
water pipe. Do not ground to a gas pipe or hot water pipe.
The grounded cold water pipe must have metal-to-metal
connection all the way to the electrical ground. If there are
any nonmetallic interruptions, such as, a meter, pump, plastic,
rubber, or other insulating connectors, they must be jumped
out with a wire (size per local codes) and securely clamped to
bare metal at both ends.
Important
For personal safety and proper operation, the dryer
!
must be grounded.
Provisions are made for ground connection in each dryer at
the electrical service connection area.
Electrical Connections
A wiring diagram is located behind the control panel for
connection data.
If local codes permit, power to the dryer can be made by the
use of a flexible UL listed power cord/pigtail (wire size must
conform to rating of dryer), or the dryer can be hard wired
directly to the service breaker panel. In both cases, a strain
relief must be installed where the wiring enters the dryer.
For CE Models Only
The means for disconnection from the supply must be
incorporated into wiring having a minimum contact separation
of 3.0 mm in all poles.
208-240V Application without Neutral
Caution
The dryer must be grounded. A ground lug has
!
been provided for this purpose.
Input connection wiring must be sized properly to handle the
dryer’s current draw. This information is printed on the dryer’s
data label.
Important
A strain relief must be used where the input wiring
!
enters the oven assembly.
Electrically Heated Models Only
The electrical input connections are made at the rear service
box located at the right upper section of the dryer. The ground
connection is made to a copper lug also provided in this area.
To gain access, remove rear service cover.
The only electrical input connections to the dryer are the
3-phase (3ø) power leads (L1, L2, L3, and sometimes neutral)
and ground. Single-phase (1ø) power for the control circuit
and for any single-phase (1ø) motors (if present) is done
internally to the dryer by the factory at the oven contactor. No
single-phase (1ø) input connection is required on a 3-phase
(3ø) dryer.
The neutral will only be used on 4-wire service. This is typical
for 380-416V, 50 Hz.
Single-Phase (1ø)
Wiring Connections/Hookup
The electrical input connections are made into the rear service
box located at the upper right area of the dryer. The ground
connection is made to the copper lug, also provided in this
box. To gain access, the service box cover must be removed.
Input connection wiring must be sized properly to handle the
dryer’s current draw. This information is printed on the dryer’s
data label.
Caution
The dryer must be grounded. A ground lug has
!
been provided for this purpose.
Gas and Steam Models Only
120-240V Application with Neutral
113428 -9Telephone 01422 82228215
Page 16
Electric Models Only
Single-Phase (1ø) Wiring Connections/Hookup
3-Phase (3ø) Wiring Connections/Hookup
The dryer and its individual shutoff 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 (3.5 kPa) for non-CE dryers or 50 mb for CE
dryers.
Note
The dryer must be isolated from the gas supply
!
piping system by closing its individual manual
shutoff valve during any pressure test of the gas supply
system at test pressures equal to or less than 1/2 psig (3.5
kPa) for non-CE dryers or 50 mb for CE dryers.
Warning
Fire or explosion could result due to failure of
!
isolating or disconnecting the gas supply as noted.
Note
Undersized gas piping will result in ignition
!
problems, slow drying, increased use of energy,
and can create a safety hazard.
The dryer must be connected to the type of heat/gas indicated
on the data label and pressure must be confirmed. If this
information does not agree with the type of gas available, do
not operate the dryer. Contact the distributor who sold the
dryer or contact the manufacturer.
The input ratings shown on the data label are for elevations
up to 2,000 feet (610 meters), unless elevation requirements
of over 2,000 feet (610 meters) were specified at the time the
dryer order was placed with the factory. The adjustment or
conversion of dryers in the field for elevations over 2,000 feet
(610 meters) is made by changing each burner orifice. If this
conversion is necessary, contact the distributor who sold the
dryer or contact the manufacturer.
Gas Information________________________
It is your responsibility to have all plumbing connections,
materials, and workmanship conform to local and state
regulations or codes of the country of destination. In the
absence of such codes, all plumbing connections, materials,
and workmanship must conform to the applicable local
requirements. In the USA this is the National Fuel Gas Code
ANSI Z223.1-LATEST EDITION, or in Canada, the Canadian
Installation Codes CAN/CGA-B149.1-M91 (Natural Gas) or
CAN/CGAB149.2-M91 (L.P. Gas) or LATEST EDITION.
In Australia, the fuel gas code is AS 5601 / AG 601, local
authority, gas, electricity, and any other relevant statutory
regulations.
It is important that gas pressure regulators meet applicable
pressure requirements, and that gas meters be rated for the
total amount of all the appliance Btu being supplied.
Important
Failure to comply with these codes or ordinances,
!
and/or the requirements stipulated in this manual,
can result in personal injury and improper operation of the
dryer.
For ease of service, the individual gas supply line of each
dryer must have its own manual shutoff valve.
Failure to isolate or disconnect the dryer from supply as
noted can cause irreparable damage to the gas valve,
voiding the warranty.
Important
If connection to this appliance is made with a
!
flexible hose, it must be suitable for the appliance
category in accordance with national installation regulations
of the country of destination, and if in doubt the installer
must contact the supplier. The manufacturer of this
appliance does not recommend the use of flexible gas
supply line/hose. An external gas supply shutoff must be
provided.
CE Dryers
There are 2 N.P.T. to B.S.P.T. adaptors included with each dryer,
which must be installed to the gas inlets. The adaptors are
shipped in the upper tumbler.
Important
Pipe joint compounds that resist the action of
!
natural, propane, and butane gases must be used.
Warning (CE Dryers Only)
This appliance must only be operated with the gas
!
type indicated on the dryer’s data plate. If the
appliance is converted (gas type changed), a data plate
amendment must be obtained from JLA Limited for CE
approved units.
* Gas valve’s internal regulator disabled.
** Information is per pocket/tumbler.
*** Consult factory for elevations over 2,000 feet (610 meters) for correct orifice size.
Heat Input/Gas Consumption/Orifice (Injector) Data (For CE [European] Models Only)
* Gas valve’s internal regulator disabled.
** Information is per pocket/tumbler.
*** Consult factory for elevations over 2,000 feet (610 meters) for correct orifice size.
The dryer is provided with two 3/8” N.P.T. (3/8” B.S.P.T. for CE
dryers) inlet pipe connections (1 for each tumbler) at the rear
of the dryer. If a separate feed is provided for each tumbler
from the main supply line (header), then a 1/2” (12.7 mm) line
connection is sufficient. However, if the top and bottom tumbler
connections are connected together, the supply from the
header must be increased to 3/4-inch (19.05 mm). There
should be a minimum 6-inch (15.24 cm) clearance between
the back guard and the first bend in the gas piping for ease of
servicing. It is recommended that a gas shutoff valve be
provided to the gas supply line of each dryer for ease in
servicing.
The size of the main gas supply line (header) will vary
depending on the distance this line travels from the gas meter
or, in the case of L.P. gas, the supply tank, other gas-operated
appliances on the same line, etc. Specific information
regarding supply line size should be determined by the gas
supplier.
Note
Undersized gas supply piping can create a low or
!
inconsistent pressure, which will result in erratic
operation of the burner ignition system.
Important
Pipe joint compounds that resist the action of
!
natural, L.P., and butane gases must be used.
Test all connections for leaks by brushing on a soapy water
solution (liquid detergent works well).
Warning
!
Never test for leaks with a flame!!!
NOTES ____________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
TYPICAL NATURAL GAS INSTALLATION
TYPICAL L.P. GAS INSTALLATION
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
Consistent gas pressure is essential at all gas connections. It
is recommended that a 3/4-inch (19.05 mm) pipe gas loop be
installed in the supply line servicing a bank of dryers. An
in-line pressure regulator must be installed in the gas supply
line (header) if the (natural) gas pressure exceeds 13.0 in WC
(32.34 mb) pressure.
A plugged tap, accessible for a pressure gauge connection,
must be installed in the main gas supply line immediately
upstream of the dryers.
18JLA Limited113428- 9
___________________________________________
___________________________________________
___________________________________________
___________________________________________
Page 19
Converting from One Family
of Gas to Another______________________
Warning (CE Dryers)
This appliance must only be operated with the gas
!
type indicated on the dryer’s data plate. If the
appliance is converted (gas type changed), a data plate
amendment must be obtained from JLA Limited (dryer’s
serial number is required to purchase a conversion kit).
Important
Any burner changes or conversions must be made
!
by a qualified professional.
The dryers manufactured for Belgium, Luxemburg, Greece,
Estonia, Slovak Republic, Iceland, Malta, Poland and Cyprus
cannot be converted from one family of gas to another.
Conversion from Natural Gas
to Propane or Butane Gas
The following conversion allows the dryer to be operated with
either propane, butane, or LPG. The use of gas valve kit (P/N
140414) disables the internal regulator of the gas valve.
Therefore, the gas supply is ungoverned and an external
regulator must be provided at the source of the supply (example
L.P. tank) or the gas supply line to the dryer. The L.P. kit
supplied will depend on the country the dryer is installed in.
Important
Use extreme care when removing and replacing
!
orifice (injector). This orifice (injector) is made of
brass, which is easily damaged.
Reinstall the burner tube onto the burner base.
Use a flat screwdriver to remove the regulator vent cap.
• For unregulated L.P. gas (most countries): install
blocking pin (P/N 140414).
• For regulated L.P. gas (some countries): remove the
white plastic regulator adjustment screw (under vent
cap). Remove spring under screw and replace with
spring from kit (P/N 140416). Replace regulator
adjustment screw.
Install the gas train back into the dryer gas train enclosure.
Be sure the tab at the rear of the gas train engages into the
mounting slot.
Connect the union and the 3 electrical plugs.
Repeat these steps for the other burner.
Affix L.P. Conversion Label (P/N 114515) to the dryer’s data
and affix this label as close as possible to the dryer’s existing
dryer rating (data) label/plate.
Parts Required for Conversion:
Description P/NQty
Unregulated Gas Conversion Kit***1404142*
OR
Regulated L.P. Gas Conversion Kit****1404162*
Burner Orifice (Injector)**2*
L.P. Conversion Label1145152*
*This includes 1 for each pocket/tumbler.
**Refer to page 17 for orifice (injector) size.
*** Required for unregulated propane or butane only.
**** Required for regulated LPG or propane only.
Instructions
Disconnect electrical power to the dryer.
Close all shutoff valves (for both top and bottom tumbler) in
dryer’s gas supply line.
Important
The following procedures must be performed on
!
both top and bottom tumblers.
Open the panels located just below each loading door.
Locate the gas train and disconnect the union, 3 electrical
plugs, and the gas train mounting screws from the burner.
Carefully slide the gas train out of the gas train enclosure.
(The carbon ignitor located at the far end of the gas train is
very fragile.)
Remove 2 burner tube mounting screws and remove burner
tube in order to gain access to the orifice.
Using a 3/8” wrench or socket, remove the existing orifice and
replace it with an orifice from the kit.
Non-CE Dryers
Affix L.P. Conversion Rating Label Addendum (P/N 114090)
as close as possible to the dryer’s existing dryer rating (data)
label/plate.
CE Dryers
Affix new data plate label that came with the conversion kit.
Open all shutoff valves, reconnect electrical power to the dryer,
and test for leaks.
Important
Never test for leaks with an open flame!!! Use a
!
soapy water solution or product intended for that
purpose.
Unregulated Gas Valve
Regulate (govern) gas externally (refer to “Supply Pressure”
in chart on page 17) to the correct gas pressure for the gas
being used. Operate dryer through 1 complete cycle to ensure
proper operation.
113428 -9Telephone 01422 82228219
Page 20
Regulated Gas Valve
Refer to “Gas Pressure Adjustment” on this page to adjust the
gas valve to the appropriate burner pressure listed on page
17. The supply pressure must also match what is listed on
page 17 for the type of gas to be used.
Important
Conversions done improperly can result in a fire or
!
explosion!
Conversion from Propane
or Butane Gas to Natural Gas
The following conversion allows the dryer to be operated with
natural gas.
Parts Required for Conversion:
DescriptionP/NQty
Vent Cap and Spring1404152*
Burner Orifice (Injector)**2*
* This includes 1 for each pocket (tumbler).
** Refer to page 17 for orifice (injector) size.
Instructions
Disconnect electrical power to the dryer.
Close all shutoff valves (for both top and bottom tumbler) in
dryer’s gas supply line.
Important
The following procedures must be performed on
!
both top and bottom tumblers.
Reinstall the burner tube onto the burner base.
Select from the following 3 options, the conversion to be
performed:
• Converting from unregulated L.P. to regulatednatural gas: use a flat screwdriver to remove the cap
with blocking pin and install the regulator vent cap from
the kit (P/N 140415).
• Converting from unregulated L.P. to unregulatednatural gas: no change to the regulator is required.
• Converting from regulated L.P. to regulated naturalgas: remove the white plastic regulator adjustment
screw (under vent cape). Remove spring under screw
and replace with spring from kit (P/N 140415). Replace
regulator adjustment screw.
Install the gas train back into the dryer gas train enclosure.
Be sure the tab at the rear of the gas train engages into the
mounting slot.
Connect the union and the 3 electrical plugs.
Repeat these steps for the other burner.
Open all shutoff valves, reconnect electrical power to the dryer,
and test for leaks.
Operate the dryer through 1 complete cycle to ensure proper
operation.
With dryer operating, check the manifold (burner) pressure at
the tap on the gas valve to ensure proper operating pressure
(refer to chart on page 17).
Gas Pressure Adjustment
Disconnect electrical power to the dryer.
Open the panels located just below each loading door.
Locate the gas train and disconnect the union, 3 electrical
plugs, and the gas train mounting screws from the burner.
Carefully slide the gas train out of the gas train enclosure.
(The carbon ignitor located at the far end of the gas train is
very fragile.)
Remove 2 burner tube mounting screws and remove burner
tube in order to gain access to the orifice.
Using a 3/8” wrench or socket, remove the existing orifice and
replace it with an orifice from the kit.
Important
Use extreme care when removing and replacing
!
orifice (injector). This orifice (injector) is made of
brass, which is easily damaged.
Important
The following procedures must be performed on
!
both top and bottom tumblers.
To adjust gas valve’s internal regulator, remove the regulator
vent cap with the regulator adjustment tool, which is located
on the back guard between the gas inlet and exhaust outlet
(refer to the illustration on next page for proper use of
adjustment tool). Be sure to use one of the wide ends of the
adjustment tool for removal of the vent cap. Once vent cap is
removed, the narrow end of the adjustment tool can be used
to turn the plastic adjustment screw in the valve. Turn the
screw clockwise to raise pressure and counterclockwise to
lower pressure.
Gas (burner) pressures are measured with the burner in
operation for all burner adjustment conditions. Therefore once
the necessary adjustments have been made, the dryer must
be operated in a heating cycle to verify that the pressure is
correct. If it is not correct, you must discontinue the power to
the unit and make further adjustments. Repeat these steps
as many times as necessary to achieve the correct burner
pressure. Once the adjustment of the valve is complete, the
vent cap must be replaced and sealed with, for example, paint
to prevent maladjustment by the user.
20JLA Limited113428- 9
Page 21
If the gas pressure needs to be adjusted, refer to “Gas Pressure Adjustment”
on page 20.
Once test is complete, turn gas cock to “OFF” position. Remove manometer.
Tighten screw inside the pressure tap or install plug.
Turn gas cock to “ON” position and check for leaks with soap solution with
main burner “ON.”
Edge #1 for vent cap
Edge #2 for adjustment screw
Warning (CE Dryers)
This appliance must only be
!
operated with the gas type
indicated on the dryer’s data plate. If the
appliance is converted (gas type changed),
a data plate amendment must be obtained
from JLA Limited.
Conversions done improperly can result in a
fire or explosion!
Gas Pressure Testing ______
For proper operation, the gas pressure must
be correct, consistent and maintained at the
gas pressure rates shown on page 17.
Provisions are made at the gas valve for
taking gas pressure readings.
There are 2 types of devices used to measure
gas pressure. They are the spring/mechanical
type gauge and the manometer. The use of
the spring/mechanical type gauge is not
recommended because they are very easily
damaged and are not always accurate. The
preferred type of gauge is the manometer
because it is a simple device to use and is
highly accurate. A manometer is simply a
glass or transparent plastic tube with a scale
graduated in inches or millibars. When it is
filled with water and pressure is applied, the
water in the tube rises, showing the exact gas
pressure.
Steam Information ________________________________
It is your responsibility to have all plumbing connections made by a qualified
professional to ensure that the steam plumbing installation is adequate and
conforms with local, state, and country regulations or codes.
Care must be exercised when leveling steam dryers into final position. After
leveling the dryer, check the downward pitch of the heat exchanger from front
to rear with a level. Likewise, check the downward pitch of the return condensate
manifold toward its outlet part. Absence of these downward pitches will result
in probable water hammer and premature heat exchanger fracture and leakage.
The presence of condensate in the steam will cause water hammer and
subsequent heat exchanger failure. The steam supply connection must be
taken from the top of a well-dripped steam main. If the supply run-out to the
dryer exceeds 25 feet (7.6 meters), it should be dripped just before the control
valve with a proper trap and dirt pocket.
Important
Failure to comply with the requirements stipulated in this manual
!
can result in component failure, which will void the warranty.
Steam Coil pH Level
The normal pH level for copper type steam coils must be maintained between
a value of 8.5 to 9.5. For steel type steam coils the pH level must be maintained
between a value of 9.5 to 10.5. These limits are set to limit the acid attack of
the steam coils.
Important
Coil failure due to improper pH level will void the warranty.
!
Gas Pressure Test Procedure
Turn gas cock in gas supply line to “OFF”
position.
50 Hz dryers: Back out miniature screw inside
pressure tap and attach manometer (refer to
the illustration on page 19).
60 Hz dryers: Install pressure tap and attach
manometer (refer to the illustration on page
19).
Turn gas cock to “ON” position.
Start the dryer in Heat Mode and wait for
ignition. Gas manifold pressure should be as
shown on page 17.
113428- 9Telephone 01422 82228221
Page 22
Steam Requirements – High Pressure
Inlet ---------- 1/2” N.P.T. supply line connection
1 at top manifold
Return ------- 1/2” N.P.T. return line connection
1 at bottom manifold
Operating Steam Pressure
T20 Stack
Maximum 150 psig*
Heat Input (Normal Load)1.2
Consumption (Approximate)
@ 125 psi (8.6 bar)
45 lb/hr
T30 Stack
Maximum150 psig*
Heat Input (Normal Load)1.75
Consumption (Approximate)
@ 125 psi (8.6 bar)
Shaded areas are stated in metric equivalents
* The minimum operating pressure for optimum results is 100 psig (689.47
kPa).
63 lb/hr
Installation Instructions
To ensure an adequate supply of steam is provided, be sure
that the steam supply lines and steam return lines are sized
and laid out as stipulated in this manual. Inadequate steam
supply lines and steam return lines or improper steam plumbing
will result in poor performance and can cause component
failure. Clean, dry steam must be provided to the dryer.
Important
Steam coil failure due to water hammer by wet
!
steam will void the warranty.
The presence of condensate in the steam supply line will cause
water hammer and subsequent heat exchanger (steam coil)
failure. The steam supply connection into the main supply
line must be made with a minimum 10-inch (25.4 cm) riser.
This will prevent any condensate from draining towards the
dryer.
The steam supply line to the dryer must include a 12-inch
(30.48 cm) riser along with a drip trap and check valve. This
will prevent any condensate from entering the steam coil.
Flexible hoses or couplings must be used. The dryer vibrates
slightly when it runs and this will cause the steam coil
connections to crack if they are hard piped to the supply and
return mains.
Shutoff valves for each dryer should be installed in the supply
line, return line, and drip trap return line. This will allow the
dryer to be isolated from the supply main and the return main
if the dryer needs maintenance work.
Install an inverted bucket steam trap and check valve at least
12-inches (30.48 cm) below the steam coil as close to the coil
as possible. A trap with a minimum capacity of 100 lb (45.35
kg) of condensate per hour at 125 psi (8.62 bar) is needed for
each unit. (Based on 2 times the steam consumption per hour.)
The supply line and the return line should be insulated. This
will save energy and provide for the safety of the operator and
maintenance personnel.
1.0 MPa
Bhp
20.41 kg/hr
1.0 MPa
Bhp
28.58 kg/hr
Water pockets in the supply line, caused by low points, will
provide wet steam to the coil possibly causing steam coil
damage. All horizontal runs of steam supply piping should be
pitched 1/4-inch (6.35 mm) for every 1 foot (0.31 meters) back
towards the steam supply header causing the condensate in
the line to drain to the header. Install a bypass trap in any low
point to eliminate wet steam.
Important
Flexible hoses/couplings must be used. Coil failure
!
due to hard plumbing connections will void the
warranty.
Water Information_____________________
Before You Start
Check Local Codes and Permits
Call your local water company or the proper municipal authority
for information regarding local codes.
Important
It is your responsibility to have all plumbing
!
connections made by a qualified professional to
ensure that the plumbing installation is adequate and
conforms to local, state, and federal regulations or codes.
It is the installer’s or owner’s responsibility to see that the
required water pressure, pipe size, or connections are
provided. The manufacturer assumes no responsibility if the
fire suppression system is not connected, installed, or
maintained properly.
Installation
Water Supply
The fire suppression system must be supplied with a minimum
water pipe size of 1/2-inch (12.7 mm) and be provided with 40
psi +/- 20 psi (2.75 bar +/- 1.37 bar) of pressure.
If the rear area of the dryer or the water supply is located in an
area where it will be exposed to cold/freezing temperatures,
provisions must be made to protect these water lines from
freezing.
Warning
If the water in the supply line or water solenoid
!
valve freezes, the fire suppression system will be
inoperative!!
Water Connections
The water connection is made to the 3/4”-11.5 NH hose
adaptor, which is shipped in the tumbler and must be installed
to the 1/2” N.P.T. water connection, located at the upper rear
of the dryer. A flexible supply line/coupling must be used in an
effort to avoid damaging the electric water solenoid valve.
Note
The 3/4”-11.5 NH is a standard hose coupling
!
screw thread. It is not to be confused with 3/4”
N.P.T. The sealing of an NH connection is made with a
washer opposed to the mating threads of an N.P.T.
assembly. The 2 thread designs are not compatible.
It is recommended that a filter or strainer be installed in the
water supply line.
22JLA Limited113428- 9
Page 23
Important
Flexible supply line/coupling must be used.
!
Solenoid valve failure due to hard plumbing
connections will void warranty.
The dryer is to be connected to the water mains using a new
hose set and the old hose set should not be reused.
Optional Manual Bypass
Provisions are made in the dryer’s fire suppression system for
the installation of an optional manual bypass. The connections
for the manual bypass are made at the “cross” or “four way”
fitting located in the outlet supply side of the water solenoid
valve. The manual ball cock shutoff valve must be located
outside of the dryer at a distance from the dryer where it is
easily accessible. The use and connection of this manual
bypass is at the option or discretion of the owner.
The water connection for the manual bypass is made to the
“cross” or “four way” fitting, which has a 3/8” F.N.P.T. and a
coupling must be used to provide the minimum 1/2-inch (12.7
mm) supply (feed) line.
Electrical Requirements
No independent external power source or supply connection
is necessary. The 24-volt power to operate the fire suppression
system is accomplished internally in the dryer (from the dryer
controls).
Warning
Electrical power must be provided to the dryer at all
!
times. If the main electrical power supply to the
dryer is disconnected, the fire suppression system is
inoperative!!
Preparation for Operation/Start-Up____
The following items should be checked before attempting to
operate the dryer:
• Read all “CAUTION,” “WARNING,” and “DIRECTION”
labels attached to the dryer.
• Check incoming supply voltage to be sure that it is the
same as indicated on the data label. In the case of 208
VAC or 240 VAC, the supply voltage must match the
electric service exactly.
• GAS MODELS – Check to ensure that the dryer is
connected to the type of heat/gas indicated on the dryer
data label.
• GAS MODELS – Be sure that all gas shutoff valves are
in the open position.
• Be sure all back panels (guards) and electric box
covers are in place.
• Be sure the service doors are closed and securely in
place.
• Be sure the lint door/drawer is securely in place.
• Rotate the tumbler (drum) by hand to be sure it moves
freely.
• Check bolts, nuts, screws, terminals, and fittings for
tightness and security.
• Check that the vent is connected to the dryer and is
exhausted to the outdoors.
• STEAM MODELS – Check to ensure all steam shutoff
valves are open.
Preoperational Test____________________
All dryers are thoroughly tested and inspected before leaving
the factory. However, a preoperational test should be
performed before the dryer is publicly used. It is possible that
adjustments have changed in transit or due to marginal location
(installation) conditions.
Turn on electric power to the dryer.
Refer to the Operating Instructions for starting your particular
model dryer.
Gas Dryers
Open all shutoff valves.
When a gas dryer is first started (during initial start-up), it has
a tendency not to ignite on the first ignition attempt. This is
because the gas supply piping is filled with air, so it may take
a few minutes for the air to be purged from the lines.
Note
During the purging period, check to be sure that all
!
gas shutoff valves are open.
A gas pressure test should be taken at the gas valve pressure
tap of each dryer to ensure that the water column pressure is
correct and consistent.
Note
Water column pressure requirements (measured at
!
the pressure tap of the gas valve body) must be
verified.
Important
In most cases there is no regulator provided in an
!
L.P. dryer. The water column pressure must be
regulated at the source (L.P. tank), or an external regulator
must be added to each dryer.
Electrical Dryers
Check to ensure that electric oven/contactor assembly is
activating.
Safety Related Circuits
Make a complete operational check of all safety related circuits:
• Door Switch(es)
• Hi-Limit Thermostats
• Sail Switch
Make a complete operational check of all operating controls.
Tumbler Coating
The tumbler is treated with a protective coating. We suggest
dampening old garments or cloth material with a solution of
water and nonflammable mild detergent and tumbling them in
the tumbler to remove this coating.
Microprocessor Programs/Selections
Each microprocessor controller (computer) has been
preprogrammed by the factory with the most commonly used
parameter (program) selections. If computer program changes
are required, refer to the computer programming manual, which
was shipped with the dryer.
113428 -9Telephone 01422 82228223
Page 24
Preoperational Instructions___________
Important
For more detailed information regarding the
!
microprocessor controller (computer), refer to the
microprocessor user’s manual included with the dryer.
Coin Models
Microprocessor Controller (Computer)
When the microprocessor controller (computer) is in the ready
state, the L.C.D. screen will display “Ready, Insert $XX.XX
(amount) to Start”.
Insert coin(s). Once the correct “Amount to Start” has been
inserted, the L.C.D. will display “Select Temperature”.
Select temperature by pressing “HI,” “MED,” or “LO.” The cycle
will start and the L.C.D. will display the Dry Cycle selected
and the remaining time.
The dryer will continue through the drying and cooling cycles,
until the vended time has expired.
Note
To stop the dryer, open main door. Continuation of
!
the cycle will resume only after the door has been
closed and any one of the 3 temperature selections is
pressed.
Shutdown Instructions________________
If the dryer is to be shutdown (taken out of service) for a period
of time, the following must be performed:
Discontinue power to the dryer either at the external disconnect
switch or the circuit breaker.
Discontinue the heat supply:
Gas Models – Discontinue the gas supply.
Shut off external gas supply shutoff valve.
Shut off internal gas supply shutoff valve located in the gas
valve burner area.
Steam Models – Discontinue the steam supply.
Shut off external (location furnished) shutoff valves.
NOTES ____________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
Non-Coin Models
Microprocessor Controller (Computer)
The L.E.D. display reads “READY” (no cycle in progress).
Press the letter on the keypad corresponding to the cycle
desired (e.g. key “D”).
The dryer will then start (i.e. blower, tumbler, and heat).
The L.E.D. display will read MANUAL DRYING CYCLE D,
___MIN REMAIN.
Note
The dryer can be stopped at any time by pressing
!
the “STOP/CLEAR” key, at this time the dryer will
go into a cycle pause. If the “STOP/CLEAR” key is pressed
again at this point, the cycle that was in progress will be
cancelled and returned to the “READY” state.
When the programmed drying time has expired, the non-coin
microprocessor controller (computer) will proceed into the Cool
Down Cycle.
Once the Cool Down Cycle begins at the end of the heat cycle,
the L.E.D. display will read COOL DOWN TEMP ___/___
MINUTES remaining. At the end of the heat cycle, the dryer
will shut off the heat and continue the fan and tumbler until the
Cool Down Time or temperature is reached.
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
24JLA Limited113428- 9
Page 25
Service/Parts Information _____________
Service
Service must be performed by a qualified trained technician.
If service is required, contact the distributor from whom the
equipment was purchased. If the distributor cannot be
contacted or is unknown, contact the JLA Service Department
for a distributor in your area.
Note
When contacting the JLA Service Department, be
!
sure to give them the correct model number and
serial number so that your inquiry is handled in an
expeditious manner.
Parts
Replacement parts should be purchased from the distributor
from whom the equipment was purchased. If the distributor
cannot be contacted or is unknown, contact the JLA Parts
Department for a distributor in your area. Parts may also be
purchased directly from the factory by calling the JLA Parts
Department at 01422 822282 or you may FAX in your order at
01422 824390.
Note
When ordering replacement parts from the
!
distributor or the manufacturer, be sure to give
them the correct model number and serial number so that
your parts order can be processed in an expeditious
manner.
Warranty Information__________________
Returning Warranty Cards
Before any dryer leaves the factory test area, a warranty card
is placed on the inside of the main door glass. These warranty
cards are intended to serve the customer where we record
the individual installation date and warranty information to
better serve you should you file a warranty claim.
If a warranty card did not come with your dryer, contact the
JLA Warranty Department at 01422 822282.
NOTES ____________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
Important
A separate warranty card must be completed and
!
returned for each individual dryer.
Note
Be sure to include the installation date when
!
returning the warranty card(s).
Warranty
For a copy of the commercial warranty covering your particular
dryer(s), contact the JLA distributor from whom you purchased
the equipment and request a dryer warranty form. If the
distributor cannot be contacted or is unknown, warranty
information can be obtained by contacting the JLA Warranty
Department.
Note
Whenever contacting the JLA factory for warranty
!
information, be sure to have the dryer’s model
number and serial number available so that your inquiry can
be handled in an expeditious manner.
113428 -9Telephone 01422 82228225
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
___________________________________________
Page 26
Routine Maintenance__________________
Cleaning
A program and/or schedule should be established for periodic
inspection, cleaning, and removal of lint from various areas of
the dryer, as well as throughout the ductwork system. The
frequency of cleaning can best be determined from experience
at each location. Maximum operating efficiency is dependent
upon proper airflow. The accumulation of lint can restrict this
airflow. If the guidelines in this section are met, the dryer will
provide many years of efficient, trouble free, and most
importantly, safe operation.
Warning
When cleaning steam coil fins, be careful not to
!
bend the fins. If fins are bent, straighten by using a
fin comb, which is available from local air-conditioning
supply houses.
90 Days
Remove lint from gas valve burner area with a dusting brush
or vacuum cleaner attachment.
Clean any lint accumulation in and around the motor(s) casing
opening.
Warning
Lint from most fabrics is highly combustible. The
!
accumulation of lint can create a potential fire
hazard. Keep dryer area clear and free from combustible
materials, gasoline, and other flammable vapors and liquids.
Note
Suggested time intervals shown are for average
!
usage, which is considered 6 to 8 operational
(running) hours per day.
Important
Dryer produces combustible lint and must be
!
exhausted to the outdoors. Every 6 months,
inspect the exhaust ducting and remove any lint buildup.
Suggested Cleaning Schedule
Every Third or Fourth Load
Clean the lint screen every third or fourth load. A clogged lint
screen will cause poor dryer performance. The lint door/drawer
is located just below the loading door of the dryer. Open the
lint door/drawer, brush the lint off the lint screen, and remove
the lint. Inspect lint screen and replace if torn.
Note
To remove the lint drawer from the dryer, pull
!
drawer out approximately halfway. Press the lint
door/drawer stop downward and pull the drawer out.
Important
The frequency of cleaning the lint screen can best
!
be determined from experience at each location.
Weekly
Clean lint accumulation from lint chamber, thermostat, and
microprocessor temperature sensor area.
Note
To prevent damage, avoid cleaning and/or touching
!
ignitor/flame-probe assembly.
Every 6 Months
Inspect and remove lint accumulation in customer furnished
exhaust ductwork system and from dryer’s internal exhaust
ducting.
Note
The accumulation of lint in the exhaust ductwork
!
can create a potential fire hazard.
Do not obstruct the flow of combustion and ventilation air.
Check back draft dampers in the exhaust ductwork. Inspect
and remove any lint accumulation, which can cause the
damper to bind or stick.
A back draft damper that is sticking partially closed can
result in slow drying and shutdown of heat circuit safety
switches or thermostats.
When cleaning the dryer cabinet(s), avoid using harsh
abrasives. A product intended for the cleaning of
appliances is recommended.
Adjustments
7 Days After Installation
and Every 12 Months Thereafter
Inspect bolts, nuts, screws, setscrews, grounding connections
and nonpermanent gas connections (unions, shutoff valves,
and orifices). Belts should be examined. Cracked or seriously
frayed belts should be replaced. Complete an operational
check of controls and valves. Complete an operational check
of all safety devices (lint door/drawer switch, door switches,
sail switch, and hi-limit thermostats).
Warning
To avoid the hazard of electrical shock, discontinue
!
electrical supply to the dryer.
Steam Dryers
Clean the steam coil fins. It is suggested that compressed air
and a vacuum cleaner with brush attachment be used.
26JLA Limited113428- 9
Page 27
Data Label Information______________________________________________________________
Standard Label
CE Label
When contacting JLA, the information on the data label is required to ensure proper service/parts assistance. The data label is
located at the upper left rear of the dryer behind the back guard.
1. Model Number – This describes the style of dryer and type of heat (gas, electric, or steam).
2. Serial Number – Allows the manufacturer to gather information on your particular dryer.
3. Type of Heat – This describes the type of heat for your particular dryer, gas (either natural gas or L.P. gas), electric, or steam.
4. Heat Input (For Gas Dryers) – This describes the heat input in British thermal units per hour (Btu/hr) or kilowatts (kW).
5. Orifice Size (For Gas Dryers) – Gives the number drill size used.
6. Electric Service – This describes the voltage and current rating for a particular model.
7. Gas Manifold Pressure (For Gas Dryers) – This describes the manifold pressure taken at the gas valve tap.
113428- 9Telephone 01422 82228227
Page 28
Part No. 1134289 - 02/12/08 - 0
Loading...
+ hidden pages
You need points to download manuals.
1 point = 1 manual.
You can buy points or you can get point for every manual you upload.