Your safety and the safety of others are very important.
We have provided many important safety messages in this manual and on your appliance. Always read and obey all safety
messages.
This is the safety alert symbol.
This symbol alerts you to potential hazards that can kill or hurt you and others.
All safety messages will follow the safety alert symbol and either the word “DANGER” or “WARNING.”
These words mean:
You can be killed or seriously injured if you don't immediately
DANGER
WARNING
All safety messages will tell you what the potential hazard is, tell you how to reduce the chance of injury, and tell you what can
happen if the instructions are not followed.
■
It is recommended that the owner post, in a prominent location, instructions for the customer’s use in the event the customer
smells gas. This information should be obtained from your gas supplier.
■
Post the following warning in a prominent location.
follow instructions.
can be killed or seriously injured if you don't
You
instructions.
follow
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
FOR YOUR SAFETY
WARNING:
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly could result in serious injury, death, or property
damage.
–
Do not store or use gasoline or other ammable 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 re department.
•
–
Installation and service must be performed by a qualied installer, service agency, or
the gas supplier.
2
In the State of Massachusetts, the following installation instructions apply:
■ Installations and repairs must be performed by a qualified or licensed contractor, plumber, or gas fitter qualified or licensed by
the State of Massachusetts.
■ Acceptable Shut-off Devices: Gas Cocks and Ball Valves installed for use shall be listed.
■ A flexible gas connector, when used, must not exceed 4 feet (121.9 cm).
IMPORTANT: The gas installation must conform with local codes, or in the absence of local codes, with the National Fuel Gas
Code, ANSI Z223.1/NFPA 54, or the Natural Gas and Propane Installation Code, CSA B149.1.
The dryer must be electrically grounded in accordance with local codes, or in the absence of local codes, with the National
Electrical Code, ANSI/NFPA 70, or the Canadian Electrical Code, Part 1, CSA C22.1.
Important Information
IMPORTANT: A means of restraint must be used to avoid
straining of the gas supply when the dryer is moved.
An external means of power removal (disconnect device) must be
provided by the installer.
The dryer must be used only for drying water washed fabrics.
The dryer must never be operated with any of the back guards or
service panels removed.
The wiring diagram for the dryer is located behind the front
control panel.
Caution: Label all wires prior to disconnection when servicing
controls. Wiring errors can cause improper operation.
List of Acronyms
N.P.T. National Pipe Thread
HVAC Heating, Ventilating, and Air-Conditioning
in WC Inches of Water Column
UL Underwriters Laboratory
S.A.F.E Sensor Activated Fire Extinguishing
FSS Fire Suppression System
MAXIMUM CAPACITY (DRY WEIGHT) 35 lb15.87 kg
TUMBLER DIAMETER30" 76.20 cm
TUMBLER DEPTH
TUMBLER VOLUME12 cu ft339.80 L
TUMBLER / DRIVE MOTOR1 hp0.74 kW
BLOWER / FAN MOTOR1/2 hp0.37 kW
CABINET WIDTH
CABINET DEPTH43"109.22 cm
CABINET HEIGHT
DOOR OPENING (DIAMETER) 21½" 54.61 cm
DOOR SILL HEIGHT
WATER CONNECTION3/4"-11.5 NH
DRYERS PER 20'/40' CONTAINER10/22
DRYERS PER 48'/53' TRUCK32/36
AIRBORNE SOUND LEVEL64 dB(A)
VOLTAGE AVAILABLE 120 V 1ø 2w 60 Hz
APPROXIMATE NET WEIGHT552 lb250.38 kg
APPROXIMATE SHIPPING WEIGHT585 lb265.35 kg
AIRFLOW 60
MAXIMUM CAPACITY (DRY WEIGHT) 50 lb22.67 kg
TUMBLER DIAMETER32¾" 83.18 cm
TUMBLER DEPTH37½" 95.25 cm
TUMBLER VOLUME18.3 cu ft518.19 L
TUMBLER / DRIVE MOTOR1 hp0.74 kW
BLOWER / FAN MOTOR3/4 hp0.56 kW
CABINET WIDTH34½"87.63 cm
CABINET DEPTH
CABINET HEIGHT
DOOR OPENING (DIAMETER) 27"68.58 cm
DOOR SILL HEIGHT
WATER CONNECTION3/4"-11.5 NH
DRYERS PER 20'/40' CONTAINER10/20
DRYERS PER 48'/53' TRUCK25/28
AIRBORNE SOUND LEVEL64 dB(A)
VOLTAGE AVAILABLE 120 V 1ø 2w 60 Hz
APPROXIMATE NET WEIGHT655 lb297.10 kg
APPROXIMATE SHIPPING WEIGHT710 lb322.05 kg
AIRFLOW 60
MAXIMUM CAPACITY (DRY WEIGHT) 80 lb36.28 kg
TUMBLER DIAMETER37" 93.98 cm
TUMBLER DEPTH
TUMBLER VOLUME22.05 cu ft624.39 L
TUMBLER / DRIVE MOTOR1 hp0.74 kW
BLOWER / FAN MOTOR3/4 hp0.56 kW
CABINET WIDTH39"99.06 cm
CABINET DEPTH
CABINET HEIGHT
DOOR OPENING (DIAMETER)
DOOR SILL HEIGHT2974 cm
WATER CONNECTION3/4"-11.5 NH
DRYERS PER 20'/40' CONTAINER8/16
DRYERS PER 48'/53' TRUCK22/26
AIRBORNE SOUND LEVEL64 dB(A)
VOLTAGE AVAILABLE 120 V 1ø 2w 60 Hz
APPROXIMATE NET WEIGHT700 lb317.52 kg
APPROXIMATE SHIPPING WEIGHT720 lb326.59 kg
AIRFLOW 60
Use two or more people and mechanical equipment to
lift, move and install dryer.
Failure to do so can result in back or other injury.
Installation should be performed by qualified professional in
accordance with local, state, and country codes. In the absence
of these codes, the installation must conform to applicable
American National Standards: ANSI Z223.1-LATEST EDITION
(National Fuel Gas Code) or ANSI/NFPA NO. 70-LATEST
EDITION (National Electrical Code) or in Canada, the installation
must conform to applicable Canadian Standards: CAN/CGAB149.1-M91 (Natural Gas) or CAN/CGA-B149.2-M91 (Propane
Gas) or LATEST EDITION (for General Installation and Gas
Plumbing) or Canadian Electrical Codes Parts 1 & 2 CSA C22.11990 or LATEST EDITION (for Electrical Connections).
Tools Required
■
Utility Knife to remove packaging.
■
1/2" Box wrench or 1/2" socket to remove pallet bolts.
■
Pipe wrench for gas connections.
■
TORX T20 to remove back guard to access leveling feet.
■
1/4” socket or 1/4” open end wrench to adjust leveling feet.
■
8 mm (5/16”) socket or open end wrench to remove lint trap
shipping bracket.
Moving to Final Location
1. Move the dryer near the point of installation.
2. Use the Utility Knife to make a cut in the plastic film.
3. Remove all plastic wrap and corrugated shipping material.
4. Dispose of/recycle all packaging material.
Leveling Dryer
The dryer is equipped with 4 leveling legs, 1 at each corner of
thebase. For optimum performance the dryer should be level
front- to-back and side-to-side.
Removing Lint Trap Shipping Bracket
1. In the lint compartment at the bottom of the dryer a bracket is
installed on the lint trap to protect it during shipping. Prior to
operating the dryer open the lint door to access the bracket.
2. Using the wrench or screwdriver, remove the (2) screws.
3. Dispose of/recycle the bracket and screws.
WARNING
Explosion Hazard
Keep flammable materials and vapors, such as
gasoline, away from dryer.
Failure to do so can result in death, explosion, or fire.
IMPORTANT: The dryer must be installed on noncombustible
floor only.
The dryer is for use in noncombustible locations.
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-B149.2-M91
(L.P. Gas) or LATEST EDITION (for General Installation and Gas
Plumbing).
The operation of this dryer may affect the operation of other
types of gas dryers, which take their air for safe combustion from
the same room. If in doubt, consult the dryer manufacturer(s).
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).
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.
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).
†TORX and T20 are trademarks of Acument Intellectual Properties, LLC.
10
Reversing the Main Loading Door Hinge Side
CLEARANCE
ALL AROUND
I
The dryer is shipped with the main door hinge on the right hand
side as standard. The swing of the door is field reversible. If
required, the front panel can be reversed so that the door hinges
on the left-hand side.
Tools Required
1. 3/16" Allen Wrench.
2. TORX T-25 Screw Driver.
3. Ratchet wrench, 7/16" socket, optional 3" extension; or 7/16"
box end wrench.
Procedure for reversing the Front Panel
1. Disconnect the power to the dryer.
2. Remove the main loading door from the front panel. Use the
3/16" Allen wrench to remove the top hinge block. Support
the door during this operation so that it does not fall. Now lift
the door off the bottom hinge.
3. Remove the bottom hinge block. Remove the plastic washer
from the bottom hinge block and place it in the same location
on the top hinge block.
4. Open the lint door and using the T-25 screwdriver, remove the
three screws retaining the bottom of the front panel. Swing
the bottom of the front panel away from the dryer about three
inches. Reach behind the front panel and disconnect the door
switch plug located in the lower right corner.
5. Open the control door and remove the four screws retaining
the top of the front panel. Be careful that the front panel does
not fall when the last screw is removed.
6. Remove the front panel from the machine and place it face
down on a flat surface.
7. On the dryer there is a second plug for the door switch,
located inside the upper left corner of the dryer. This plug
is similar to the one in the lower right disconnected earlier,
except there is a jumper on this plug. Remove the jumper and
install it on the plug in the lower right.
8. Reinstall the front panel on the dryer. Check that the mounts
for the door hinge are on the left-hand side. Be sure to
connect the door switch plug now in the upper left corner of
the dryer.
9. Reinstall the retaining screws, top and bottom.
10. The handle and hinge location on the door have to be
reversed. Position the door on a flat surface with the hinge
on the right, the handle on the left, and the warning labels
facing up. Use the 7/16" wrench to remove the hinge bracket,
handle, and magnet stops, from the door ring. Move the hinge
to the left side, and the handle and magnet stops to the right
side. Reinstall and tighten all bolts.
11. Reinstall the bottom hinge block. This was the top hinge
block and now has the plastic washer on it.
12. Reinstall the main loading door, and the top hinge block. The
top hinge block was the bottom hinge block, now with no
plastic washer on it.
13. Check that the door swings properly and that all warning
signs on the inside of the door are right side up.
14. Close all doors and panels. Then reconnect the power to the
dryer.
15. Check that the dryer starts with no errors.
16. Check that the dryer stops when the door is opened.
NOTE: Some doors have a custom logo bar inside. If the
instructions above have been followed correctly the logo bar
will be right side up. If not, follow instructions 2 through 10 for
removing the door and reversing the hinge side.
Dryer Enclosure Requirements ___
Bulkheads and partitions should be made of noncombustible
material.
NOTE: Allowances must be made for opening the control door.
D
E
A. The requirement to allow the loading door to open completely
for the AD-35i is 33" (83.8 cm), AD-50i/M-50p is 36" (91.4
cm), and AD-80i/M-80p is 40" (101.6 cm).
B. A minimum overhead clearance of 12" (30.48 cm) is required.
18" (45.72 cm) is recommended.
C. Dryer should be positioned a minimum of 12" (30.48 cm) away
from the nearest obstruction. 24" (60.96 cm) is recommended
for ease of installation, maintenance, and service.
D. 1/16" (0.15875 cm) minimum is required.
E. E Dryers may be positioned sidewall to sidewall, however
a 1/16" (0.15875 cm) minimum allowance must be made
for the opening and closing of the lint door, along with the
removal of panels during maintenance.
F. Dryer must protrude 1" (2.54 cm) from the surface of any
bulkhead or partition around the dryer to allow the control
door to open.
G. The maximum thickness of any bulkhead or partition from the
header down to the top of the dryer is 1" (2.54 cm).
H. The minimum clearance from the top of the dryer to the
header of any bulkhead or partition located directly above the
dryer is 4"(10.16 cm).
I. The maximum thickness of any bulkhead or partition above
the header is 4" (10.16 cm).
F
B
G
A
H
C
2" (5.08 cm)
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 makeup air supply.
Air supply (make-up air) must be given careful consideration to
ensure proper performance of each dryer. Fresh air ventilation
openings shall not be blocked and/or sealed. As a general rule,
an unrestricted air entrance from the outdoors of 70 in.2 (451 cm2)
for each AD-35i, 125 in.2 (806 cm2) for each AD-50i/M-50p, and
135in.2 (870 cm2) is required for each AD-80i/M-80p. (Based on
1in.2 [6.5 cm2] per 1,000 Btu [252 kcal].)
It is not necessary to have a separate make-up air opening for
each dryer. Common make-up air openings are acceptable.
However, they must be set up in such a manner that the makeup
air is distributed equally to all the dryers.
To compensate for the use of registers or louvers used over the
openings, this area must be increased by approximately 33%.
Makeup 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.
11
A
BB
MAKE-UP AIR OPENINGS
A = 12" (30.5 cm)
B = 12" (30.5 cm)
A
EXAMPLE: For a bank of four AD-35i dryers, two unrestricted
openings measuring 12" by 12" (30.5 cm by 30.5 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.
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.
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.
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. Inspection doors should be installed
at strategic points in the exhaust ductwork for periodic inspection
and cleaning of lint from the ductwork.
IMPORTANT: 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 (1.5 mb).
NOTE: It is recommended that exhaust or booster fans not be
used in the exhaust ductwork system except where necessary
to maintain exhaust back pressure (in the exhaust duct) between
zero and 0.6" water column. Where employed, booster fans must
not activate the dryer airflow proving switch (sail switch) when the
dryer is not in operation.
When the exhaust ductwork passes through a wall, ceiling, or
roof made of combustible materials, the opening must be 2" (5.08
cm) larger than the duct (all the way around). The duct must be
centered within this opening.
The ductwork for this dryer must be suitable for the appliance
category in accordance with national installation regulations of
the country of destination.
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 (AD-35i)
IMPORTANT: For the AD-35i, a minimum exhaust duct size of
6"(15.24 cm) must be used.
For a 6" (15.24 cm) horizontal run where a maximum of one
elbow is used, the ductwork from the dryer outlet must not
exceed 25feet(7.6 meters). Refer to the following illustration.
AD-35i ONLY
HORIZONTAL SINGLE DRYER VENTING
6" (15.24 CM) DUCTING
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" [0.50 mm]) thick.”
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" (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
12
25 FEET
7.6 METERS
SIDE VIEW OF DRYER
(SECTION VIEW)
6" (15.24 cm)
DIAMETER
DUCT MIN.
SEE
NOTE 1
D
2 x D
NOTE 1: WHEN PASSING THROUGH COMBUSTIBLE MATERIAL
THE OPENING MUST BE 2" (5.08 CM) LARGER THAN THE
DUCT (ALL THE WAY AROUND). THE DUCT MUST BE
CENTERED WITHIN THIS OPENINGS.
If the length of the duct run or quantity of elbows used exceeds
the above noted specifications, the cross-sectional area of the
ductwork may need to be increased.
IMPORTANT: For extended ductwork runs, the cross section
area of the ductwork can only be increased to an extent. When
the ductwork approaches the maximum limits noted in this
manual, a professional HVAC firm should be consulted for proper
venting information.
Single Dryer Venting (AD-35i, AD-50i/M-50p,
AD-80i/M-80p)
IMPORTANT: A minimum exhaust duct size of 8" (20.32 cm)
must be used.
For an 8" (20.32 cm) horizontal run where a maximum of one
elbowis used, the ductwork from the dryer outlet must not
exceed 50 feet (15.2 meters). Refer to the following illustration.
HORIZONTAL SINGLE DRYER VENTING
SIDE VIEW OF DRYER
(SECTION VIEW)
NOTE 1: WHEN PASSING THROUGH COMBUSTIBLE MATERIAL
THE OPENING MUST BE 2" (5.08 CM) LARGER THAN THE
DUCT (ALL THE WAY AROUND). THE DUCT MUST BE
CENTERED WITHIN THIS OPENINGS.
NOTE 2: THE AD35I HAS A REMOVABLE 6" DIA EXHAUST
TRANSITION. REMOVE THIS TRANSITION TO INSTALL AN 8"
DIA EXHAUST.
If the length of the duct run or quantity of elbows used exceeds
the above noted specifications, the cross-sectional area of the
ductwork may need to be increased.
IMPORTANT: For extended ductwork runs, the cross section
area of the ductwork can only be increased to an extent. When
the ductwork approaches the maximum limits noted in this
manual, a professional HVAC firm should be consulted for proper
venting information.
For an 8" (20.32 cm) vertical run with three 90° elbows, the
ductwork from the dryer to the outside outlet cannot exceed
30feet(9.2 meters). Refer to the following illustration.
8" (20.32 CM) DUCTING
50 FEET
15.2 METERS
8" (20.32 cm)
DIAMETER
DUCT MIN.
SEE
NOTE 1
D
2 x D
VERTICAL SINGLE DRYER VENTING
D
2 x D
SEE NOTE 1
30 FEET
9.2 METERS
SIDE VIEW OF DRYER
(SECTION VIEW)
8" (20.32 cm) DIAMETER DUCT MIN.
NOTE 1: WHEN PASSING THROUGH COMBUSTIBLE MATERIAL
THE OPENING MUST BE 2" (5.08 CM) LARGER THAN THE
DUCT (ALL THE WAY AROUND). THE DUCT MUST BE
CENTERED WITHIN THIS OPENINGS.
NOTE 2: THE AD35I HAS A REMOVABLE 6" DIA EXHAUST
TRANSITION. REMOVE THIS TRANSITION TO INSTALL AN 8"
DIA EXHAUST.
Combined Vertical and Horizontal Dryer
Venting
For an 8" (20.32 cm) combined vertical and horizontal run, the
dryer to the outside outlet cannot exceed the sum of dimensions
“A” and “B” in the following illustration.
This calculation of “A” and “B” compensates or allows for the
use of a maximum of 3 elbows including one elbow, which is the
outside outlet protection. Refer to the illustration below.
“A” DIMENSION
SEE
NOTE 1
SIDE VIEW OF DRYER
(SECTION VIEW)
8" (20.32 cm)
DIAMETER DUCT MIN.
D
2 x D
“B”
DIMENSION
NOTE 1: WHEN PASSING THROUGH COMBUSTIBLE MATERIAL
THE OPENING MUST BE 2" (5.08 CM) LARGER THAN THE
DUCT (ALL THE WAY AROUND). THE DUCT MUST BE
CENTERED WITHIN THIS OPENINGS.
NOTE 2: “A” DIMENSION + “B” DIMENSION SHOULD NOT
EXCEED 30 FEET (9.2 METER).
NOTE 3: THE AD35I HAS A REMOVABLE 6" DIA EXHAUST
TRANSITION. REMOVE THIS TRANSITION TO INSTALL AN 8"
DIA EXHAUST.
13
IMPORTANT: For extended ductwork runs, the cross-sectional
2
WHEN PASSING THROUGH COMBUSTIBLE MATERIAL 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.
40 FEET (12.2 METERS)
THAN THE DUCT (ALL THE WAY AROUND). THE DUCT MUST BE CENTERED WITHIN THIS OPENING.
2
WHEN PASSING THROUGH COMBUSTIBLE MATERIAL THE OPENING MUST BE 2-INCHES (5.08 cm) LARGER
20 FEET (16.1 METERS)
THAN THE DUCT (ALL THE WAY AROUND). THE DUCT MUST BE CENTERED WITHIN THIS OPENING.
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.
Multiple Dryer (Common) Venting
If it is not feasible to provide separate exhaust ducts for each
dryer, ducts from individual dryers may be channeled into a
“common main duct.” The individual ducts should enter the
bottom or side of the main duct at an angle not more than 45º in
the direction of airflow. The main duct should be tapered, with the
diameter increasing before each individual duct is added.
IMPORTANT: No more than four dryers should be connected to
one main common duct.
The main duct may be any shape provided that the minimum
cross-sectional area is maintained. The illustration below shows
the minimum cross-sectional area for multiple dryer venting.
These figures must be increased if the main duct run from the last
dryer to where it exhausts to the outdoors is unusually long (over
30' [9.1 m]) or has numerous elbows (more than one) in it.
AD-35i
NO. OF DRYERS
MINIMUM CROSS (SQ.IN.)
SECTION AREA (SQ.CM)
MINIMUM ROUND(IN.)
DUCT DIAMETER (CM.)
D
X D CLEARANCE
HORIZONTAL MULTI DRYER VENTING
24.4 METERS
(15.24 CM) DUCTING
80 FEET
NOTE A
WALL
MAXIMUM
1058
35.6
4
164
14
120
774
12
30.5
3
2
80
516
10
25.4
54
348
8
20.3
1
INSPECTION
DOORS
28 1/2-60” (72-142cm)
DISTANCES BETWEEN
DUCTS
AD-50i/M-50p, AD-80i/M-80p
HORIZONTAL MULTI DRYER VENTING
8 (20.32 CM) DUCTING
NO. OF DRYERS
MINIMUM CROSS (SQ.IN.)
SECTION AREA (SQ.CM)
MINIMUM ROUND(IN.)
DUCT DIAMETER (CM.)
20 FEET
6.1 METERS
D
X D CLEARANCE
TUMBLER EXHAUST MUST
ENTER MAIN EXHAUST
DUCT AT A 45º ANGLE
IMPORTANT: NO MORE THAN 4 DRYERS CAN BE CONNECTED TO ONE COMMON DUCT ( VENT ).
CROSS SECTIONAL AREA OF A ROUND DUCT = .785 X D² Where D = DIAMETER OF THE DUCT.
CROSS SECTIONAL AREA OF A RECTANGULAR DUCT = W
NOTE A:
THAN THE DUCT (ALL THE WAY AROUND). THE DUCT MUST BE CENTERED WITHIN THIS OPENING.
4
201
1297
16
40.6
MAXIMUM
NOTE A
WALL
FORMULAS TO CALCULATE DUCTING CROSS SECTIONAL AREA
164
1058
14
35.6
3
2
120
774
12
30.5
X H Where W = WIDTH AND H = HEIGHT.
VERTICAL MULTI DRYER VENTING
8 (20.32 CM) DUCTING
2 X D
CLEARANCE
WALL
NOTE A
D
315
2030
20
50.8
4
32
225
1644
18
45.7
164
1058
14
35.6
1
60
516
10
25.4
1
60
516
10
25.4
INSPECTION
DOORS
28 1/2-60” (72-142cm)
DISTANCES BETWEEN
DUCTS
NO. OF DRYERS
MINIMUM CROSS (SQ.IN.)
SECTION AREA (SQ.CM)
MINIMUM ROUND(IN.)
DUCT DIAMETER (CM.)
INSPECTION
DOORS
MINIMUM DUCT SIZE
8” (20.3 cm)
D
H
W
TUMBLER EXHAUST MUST
ENTER MAIN EXHAUST
DUCT AT A 45º ANGLE
IMPORTANT: NO MORE THAN 4 DRYERS CAN BE CONNECTED TO ONE COMMON DUCT ( VENT ).
CROSS SECTIONAL AREA OF A ROUND DUCT = .785 X D² Where D = DIAMETER OF THE DUCT.
CROSS SECTIONAL AREA OF A RECTANGULAR DUCT = W
NOTE A:
FORMULAS TO CALCULATE DUCTING CROSS SECTIONAL AREA
X H Where W = WIDTH AND H = HEIGHT.
VERTICAL MULTI DRYER VENTING
(15.24 CM) DUCTING
D
2 X D
CLEARANCE
WALL
NOTE A
TOTAL STRIAGHT
TUMBLER EXHAUST MUST ENTER
MAIN EXHAUST DUCT AT A 45º ANGLE
IMPORTANT: NO MORE THAN 4 DRYERS CAN BE CONNECTED TO ONE COMMON DUCT ( VENT ).
CROSS SECTIONAL AREA OF A ROUND DUCT = .785 X D² Where D = DIAMETER OF THE DUCT.
CROSS SECTIONAL AREA OF A RECTANGULAR DUCT = W
NOTE A: WHEN PASSING THROUGH COMBUSTIBLE MATERIAL THE OPENING MUST BE 2-INCHES (5.08 cm) LARGER
164
1058
14
35.6
FORMULAS TO CALCULATE DUCTING CROSS SECTIONAL AREA
3
120
774
12
30.5
2
80
516
10
25.4
X H Where W = WIDTH AND H = HEIGHT.
1
54
348
8
20.3
INSPECTION
DOORS
MINIMUM DUCT SIZE
6” (15.2 cm)
D
H
W
NO. OF DRYERS4
MINIMUM CROSS (SQ.IN.)
SECTION AREA (SQ.CM)
MINIMUM ROUND(IN.)
DUCT DIAMETER (CM.)
28 1/2-60” (72-142cm)
DISTANCES BETWEEN
DUCTS
MINIMUM DUCT SIZE
6” (15.2 cm)
D
H
W
TOTAL STRIAGHT
TUMBLER EXHAUST MUST ENTER
MAIN EXHAUST DUCT AT A 45º ANGLE
IMPORTANT: NO MORE THAN 4 DRYERS CAN BE CONNECTED TO ONE COMMON DUCT ( VENT ).
CROSS SECTIONAL AREA OF A ROUND DUCT = .785 X D² Where D = DIAMETER OF THE DUCT.
CROSS SECTIONAL AREA OF A RECTANGULAR DUCT = W
NOTE A: WHEN PASSING THROUGH COMBUSTIBLE MATERIAL THE OPENING MUST BE 2-INCHES (5.08 cm) LARGER
FORMULAS TO CALCULATE DUCTING CROSS SECTIONAL AREA
X H Where W = WIDTH AND H = HEIGHT.
28 1/2-60” (72-142cm)
DISTANCES BETWEEN
DUCTS
MINIMUM DUCT SIZE
8” (20.3 cm)
D
H
W
14
Electrical Information
TYPICAL STRAN RELIEF
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 destination. 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.
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. 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 30 feet (9 meters) of
the dryer.
The dryer must be connected to the electric supply shown on the
data label.
Electrical Service Specifications
Gas Models Only
ELECTRICAL SERVICE SPECIFICATIONS (PER POCKET)
NOTES:
SERVICE
VOLTAGE
1201ø210.21514
1201ø29.81514
1201ø29.81514
A. When fuses are used they must be dual element,
time delay, current limiting, class RK1 or RK5 ONLY.
Calculate/determine correct fusevalue, by applying
either local and/or National Electrical Codes to listed
appliance amp draw data.
B. Circuit breakers are thermal-magnetic (industrial)
motor curve typeONLY. For others, calculate/verify
correct breaker size according to appliance amp
draw rating and type of breaker used.
PHASEWIRE
SERVICE
APPROX.
AMP
DRAW
CIRCUIT
BREAKER
MIN
WIRE
GAUGE
60 Hz
AD-35i
AD-50i/ M-50p
AD-80i/ M-80p
Grounding
A ground (earth) connection must be provided and installed in
accordance with local, state, and national regulations or codes
of the country of destination. 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 C22.11990 or LATEST EDITION. The ground connection may be to a
proven earth ground at the location service panel.
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.
Fire Hazard
Use appropriate gauge of copper wire (See chart in
"Electrical Requirements" section).
Use a UL listed strain relief.
Disconnect power before making electrical connections.
Electrically ground appliance per installation
instructions.
Securely tighten all connections.
Failure to do so can result in death, fire, or electrical
shock.
Single-Phase (1ø) Gas Wiring Connections/
Hookup
The electrical input connections on all single-phase (1ø) gas
dryers are made into the rear service box located at the upper left
area of the dryer.
GROUND CONNECTION
ELECTRIC SERVICE
BOX COVER
15
SINGLE-PHASE ELECTRICAL LEAD CONNECTIONS
Black
+
Positive
or L1
For 120 V Applications
White
+
Neutral
or N
Green
+
Ground
PANEL WIRING
SERVCE WIRING
Input connection wiring must be sized properly to handle the
dryer’s current draw. This information is printed on the dryer’s
rating plate.
IMPORTANT: A strain relief must be used where the input wiring
enters the electric box.
Gas Information
WARNING
Explosion Hazard
Use a new CSA International approved gas supply line.
Install a shut-off valve.
Securely tighten all gas connections.
If connected to propane, have a qualified person make
sure gas pressure does not exceed 14" (36 cm) water
column.
Examples of a qualified person include:
licensed heating personnel,
authorized gas company personnel, and
authorized service personnel.
Failure to do so can result in death, explosion, or fire.
(Propane Gas) or LATEST EDITION.
It is important that gas pressure regulators meet applicable
pressure requirements, and that gas meters be rated for the total
amount of all the dryer Btu being supplied.
For ease of service, the individual gas supply line of each dryer
must have its own manual shutoff valve.
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 1/2psig (3.5 kPa).
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).
Failure to isolate or disconnect the dryer from supply as noted
can cause irreparable damage to the gas valve, voiding the
warranty.
NOTE: Undersized gas piping will result in ignition problems,
slow drying, increased use of energy.
The input ratings shown on the rating plate are for elevations
up to 2,000 feet (610 meters), unless elevation requirements of
over 2,000 feet (610 meters) were specified at the time the dryer
order was placed with the factory. The adjustment or conversion
of dryers in the field for elevations over 2,000 feet (610 meters)
is made by changing each burner orifice. If this conversion is
necessary, contact the reseller who sold the dryer or contact the
manufacturer.
IMPORTANT: If connection to this appliance is made with a
flexible hose, it must be suitable for the appliance category in
accordance with national installation regulations of the country of
destination, and if in doubt the installer must contact the supplier.
The manufacturer of this appliance does not recommend the use
of flexible gas supply line/ hose. An external gas supply shutoff
must be provided.
Pipe joint compounds that resist the action of natural,
propane, and butane gases must be used on all tapered thread
connections.
In the U.S.A.: An individual manual shutoff valve must be
installed within 6 feet (1.8 meters) of the dryer in accordance with
the National Fuel Gas Code, ANSI Z223.1.
In Canada: An individual manual shutoff valve must be installed
in accordance with the B149.1, Natural Gas and Propane
Installation Code. It is recommended that an individual manual
shutoff valve be installed within 6 feet (1.8 meters) of the dryer.
The dryer must be connected to the type of heat/gas indicated
on the rating plate and pressure must be confirmed. If this
information does not agree with the type of gas available, do
not operate the dryer. Contact the reseller who sold the dryer or
contact the manufacturer.
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 Z223.1LATEST EDITION, or in Canada, the Canadian Installation Codes
CAN/CGA-B149.1-M91 (Natural Gas) or CAN/CGAB149.2-M91
16
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