COOK XWD Series User manual

1PROPELLER WALL IO&M B51091-003
Rotating Parts & Electrical Shock Hazard:
Fans should be installed and serviced by qualied person-
nel only.
Disconnect electric power before working on unit (prior to
removal of guards or entry into access doors).
Follow proper lockout/tagout procedures to ensure the unit
cannot be energized while being installed or serviced.
A disconnect switch should be placed near the fan in order
that the power can be swiftly cut o󰀨, in case of an emer-
gency and in order that maintenance personnel are provid-
ed complete control of the power source.
Grounding is required. All eld-installed wiring must be
completed by qualied personnel. All eld installed wiring
must comply with National Electric Code (NFPA 70) and all
applicable local codes.
Fans and blowers create pressure at the discharge and
vacuum at the inlet. This may cause objects to get pulled
into the unit and objects to be propelled rapidly from the
discharge. The discharge should always be directed in a
safe direction and inlets should not be left unguarded. Any
object pulled into the inlet will become a projectile capable
of causing serious injury or death.
When air is allowed to move through a non-powered fan,
the impeller can rotate, which is referred to as windmill-
ing. Windmilling will cause hazardous conditions due to
unexpected rotation of components. Impellers should be
blocked in position or air passages blocked to prevent draft
when working on fans.
Friction and power loss inside rotating components will
cause them to be a potential burn hazard. All components
should be approached with caution and/or allowed to cool
before contacting them for maintenance.
Under certain lighting conditions, rotating components
may appear stationary. Components should be veried to
be stationary in a safe manner, before they come into con-
tact with personnel, tools or clothing.
Failure to follow these instructions could result in death or
serious injury.
The attachment of roof mounted fans to the roof curb as
well as the attachment of roof curbs to the building struc-
ture must exceed the structural requirements based on the
environmental loading derived from the applicable build-
ing code for the site. The local code o󰀩cial may require
variations from the recognized code based on local data.
The licensed engineer of record will be responsible for pre-
scribing the correct attachment based on construction ma-
terials, code requirements and environmental e󰀨ects spe-
cic to the installation.
Receiving and Inspection
Carefully inspect the unit and accessories for any dam-
age and shortage immediately upon receipt of the unit.
• Turn the propeller by hand to ensure it turns freely and
does not bind
• Record on the Delivery Receipt any visible sign of
damage
XLWH
PROPELLER WALL
Propeller Wall Fans
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
®
This publication contains the installation, operation and
maintenance instructions for standard units of the Propeller
Wall Fans.
• XWD
• XWHD
• XPD
• XPHD
• XLW / XMW
• XLWH / XMWH
• XLP / XLPH
• XMP / XMPH
• AWD
• AWB
• APD
• APB
• EWD
• EWB
• EPD
• EPB
• SWD
• SPB
• SPD
• Exhaust & Supply
models
Carefully read this publication and any
supplemental documents prior to any
installation or maintenance procedure.
Loren Cook catalog, Propeller Wall, provide additional
information describing the equipment, fan performance,
available accessories and specication data.
For additional safety information, refer to AMCA Publica-
tion 410-96, Safety Practices for Users and Installers of
Industrial and Commercial Fans.
All of the publications listed above can be obtained from:
• lorencook.com
• [email protected]
• 417-869-6474 ext. 166
For information and instructions on special equipment,
contact Loren Cook Company at 417-869-6474.

2PROPELLER WALL IO&M B51091-003
OFFSET ANGULAR OFFSET/ANGULAR
A
W
X
Y
Z
B
CENTER
DISTANCE
(CD)
GAP GAP
Tolerance
Center
Distance
Max
Gap
Up through 12” 1/16”
12” through 48 1/8”
Over 48” 1/4”
The drawing below indicates where to measure the al-
lowable gap for the drive alignment tolerance. All contact
points (indicated by WXYZ) are to have
a gap less than the tolerance shown in
the table. When the pulleys are not the
same width, the allowable gap must
be adjusted by half of the di󰀨erence in
width. Figure 3 illustrates using a car-
penter’s square to adjust the position of
the motor pulley until the belt is parallel
to the longer leg of the square.
Installation
Insert the fan into the wall opening and secure with lag
screws, anchor bolts, or other suitable fasteners.
Always mount belt drive wall fans in order that the motor
base is below the fan shaft.
Wiring
NOTICE! Correctly label the circuit on the main
power box and always identify a closed switch to
promote safety (i.e., red tape over a closed switch).
All wiring should be in accordance with local ordinances
and the National Electrical Code, NFPA 70. Ensure the
power supply (voltage, frequency, and current carrying ca-
pacity of wires) is in accordance with the motor nameplate.
Follow the wiring diagram in the disconnect switch and
the wiring diagram provided with the motor.
Leave enough slack in the wiring to allow for motor move-
ment when adjusting belt tension. Some fractional motors
have to be removed in order to make the connection with
the terminal box at the end of the motor.
Wall Fans
1. Extend wires to the fan.
2. Prevent excess wire from entering the shaft and pro-
peller area by restraining the excess wire to a point
outside the base.
Wall Fans with Wire Guard
1. Remove end panel from the wire guard to gain access
to the motor.
2. Extend wires through a side panel of the wire guard to
gain access to the motor.
3. Prevent excess wire from entering the shaft and pro-
peller area by restraining the excess wire to a point
outside the base.
Handling
Lift propeller wall fans by attachment to the power
assembly.
NOTICE! Never lift by the shaft, motor or housing.
Storage
If the fan is stored for any length of time prior to installa-
tion, coat the shaft with grease or a rust preventative com-
pound. Store it in its original shipping crate and protect it
from dust, debris and the weather.
Rotate the wheel several revolutions every three to ve
days to keep a coating of grease on all internal bearing
parts.
Installation
Fans mounted to a wall require a di󰀨erent wall opening
size than fans mounted in wall collars or wall housings. For
specic dimensions, refer to the submittal drawing for the
specic fan type.
Motor Installation
To prevent damage to the fan during shipping, motors 5
HP and larger, and extremely heavy motors (cast iron or
severe duty) are shipped loose and must be eld mounted
by bolting the motor on the motor mounting plate in the
existing slots.
The motor should be mounted in order that the motor
plate is between the fan shaft and the motor shaft.
1. Remove the motor plate mounting bolts and motor plate.
2. Remove the motor mounting bolts from the motor plate.
3. Mount the motor to the motor plate aligning the appropriate
holes.
4. Place the motor plate on the power assembly and reinstall
the mounting bolts.
Belt and Pulley Installation
Belt tension is determined by the sound of the belts when
the fan is rst started. The belts will produce a loud squeal,
which dissipates after the fan is operating at full capacity.
If belt tension is too tight or too loose, lost e󰀩ciency and
damage can occur.
Do not change the pulley pitch diameter to change ten-
sion. The change will result in a di󰀨erent fan speed.
1. Loosen the motor plate adjustment nuts on motor base and
move motor plate in order that the belts can easily slip into
the grooves on the pulleys. Never pry, roll, or force the belts
over the rim of the pulley.
2. Adjust the motor plate until proper tension is reached. For
proper tension, a deection of approximately 1/4” per foot of
center distance should be obtained by rmly pressing the
belt. See Figure 3.
3. Lock the motor plate adjustment nuts in place.
4. Ensure pulleys are properly aligned. See next section.
Pulley Alignment
Pulley alignment is adjusted by loosening the motor pulley
setscrew and by moving the motor pulley on the motor shaft.
1 foot
1/4 inch
Figure 1
Figure 2

3PROPELLER WALL IO&M B51091-003
2 Speed, 1 Winding, 3-Phase Motor
Motor
1
2
3
4
5
6
Together
High Speed
Line
L1
L2
L
3
1
2
3
4
5
6
Open
Low Speed
Line
L1
L2
L3
Motor
To reverse, interchange any two line leads. Motors require
magnetic control.
2 Speed, 2 Winding, 3-Phase
L1
T1
T2
T3Low Speed
Low Speed
Low Speed
High Speed
High Speed
High Speed
Motor
T13
T12
T11
L2Line
L3
To reverse: High Speed: interchange leads T11 and T12; Low
Speed: interchange leads T1and T2; Both Speeds: interchange
any two line leads.
Typical Damper Motor Schematic
Fan
Motor
Damper
Motor*
Second
Damper
Motor
Tr
ansformer** Transformer*
*
L3
L2
L1
For 3-Phase, damper motor voltage should be the same be-
tween L1and L2. For single phase application, disregard L3.
*Damper motors may be available in 115, 230 and 460 volt
models. The damper motor nameplate voltage should be veried
prior to connection.
**A transformer may be provided in some installations to cor-
rect the damper motor voltage to the specied voltage.
Shutters
If your fan is supplied with a shutter, follow the direction
below. If your fan is not supplied with a shutter, proceed to
Final Installation Steps.
To ensure long-life, make a weather-proof seal by using
a good quality silicon caulking under the shutter ange.
1. Place the shutter into the wall opening.
2. Mount the shutter to the supporting surface using
Number 12 sheet metal screws on six inch centers
around the perimeter.
3. Manually operate the shutter to ensure the blades
move freely.
Wall Fans with Wall Housing
1. Remove end guard from the wall housing.
2. Drill a hole through either side panel at a convenient
location and pull the wires through. Do not pull wires
through wire guard at the back panel.
3. Restrain the incoming wire at the side panel to pre-
vent excess wire from entering the shaft and propel-
ler area.
Wiring Diagrams
Single Speed, Single Phase Motor
T-1
T-
4
Ground B
L2
L1
Ground A
Line
When ground is required, attach to ground A or B with No. 6
thread forming screw. To reverse, interchange T-1 and T-4.
2 Speed, 2 Winding, Single Phase Motor
Ground A
Ground B
T-1
T-
4
Low Speed
High Speed
L1
L2
Line
When ground is required, attach to ground A or B with No. 6
thread forming screw. To reverse, interchange T-1 and T-4 leads.
Single Speed, Single Phase, Dual Voltage
Ground B
J-10
T-5
Ground A
Link A
Link B
Low Voltage
Line
L2
L1
Ground A
Link A
and B
L1
L2
Line
Ground B
T-5
J-10
When ground is required, attach to ground A or B with No. 6 thread
forming screw. To reverse, interchange T-5 and J-10 leads.
3-Phase, 9 Lead Motor
456
1
7
2
8
3
9
L1L2L3
456
789
12 3
L1L2L3
Low Voltage
208/230 Volts
High Voltage
460 Volts
3 Phase, 9 Lead Motor
Y-Connection
7
1
6789
456
12 3
Low Voltage
208/230 V
olts
High V
oltage
460 Volts
8
2
4
9
3
5
L
1
L
3
L
2
L1L3
L2
3 Phase, 9 Lead Motor
Delta-Connection
To reverse, interchange any two line leads.

4PROPELLER WALL IO&M B51091-003
30 Minute Interval
Inspect bolts, setscrews, and motor mounting bolts.
Adjust and tighten as necessary.
8 Hour Interval
Inspect belt alignment and tension. Adjust and tighten as
necessary.
24 Hour Interval
Inspect belt tension. Adjust and tighten as necessary.
Maintenance
Establish a schedule for inspecting all parts of the fan.
The frequency of inspection depends on the operating
conditions and location of the fan.
Inspect fans exhausting corrosive or contaminated air
within the rst month of operation. Fans exhausting con-
taminated air (airborne abrasives) should be inspected ev-
ery three months. Clean the propeller and air inlets if ma-
terial build-up is excessive. Excessive build-up can cause
imbalance and failure of the propeller. Regular inspections
are recommended for fans exhausting non-contaminated
air. It is recommended the following inspections be con-
ducted twice per year.
• Inspect bolts and setscrews for tightness. Tighten as
necessary
• Inspect belt wear and alignment. Replace worn belts with new
belts and adjust alignment as needed. See Belt and Pulley
Installation, on page 2
• Bearings should be inspected as recommended in the
Conditions Chart, page 5
• Inspect for cleanliness. Clean exterior surfaces only.
Removing dust and grease on motor housing assures proper
motor cooling
Lubricants
Loren Cook Company uses petroleum lubricant in a lith-
ium base conforming to NLGI grade 2 consistency. Other
grades of grease should not be used unless the bearings
and lines have been ushed clean. If another grade of
grease is used, it should be lithium-based.
An NLGI grade 2 grease is a light viscosity, low-torque,
rust-inhibiting lubricant that is water resistant. Its tempera-
ture range is from -30°F to +200°F and capable of intermit-
tent highs of +250°F.
Motor Bearings
Motors are provided with prelubricated bearings. Any
lubrication instructions shown on the motor nameplate su-
persede instructions below.
Direct Drive 1050/1075, 1200, 1300 and 1500 RPM units
use a prelubricated sleeve bearing that has a oil saturated
wicking material surrounding it. The initial factory lubrica-
tion is adequate for up to 10 years of operation under nor-
mal conditions. However, it is advisable to add lubricant
after 3 years. Use only LIGHT grade mineral oil or SAE
10W oil up to 30 drops. If the unit has been stored for a
year or more it is advisable to lubricate as directed above.
For units in severe conditions, lubrication intervals should
be reduced to half.
Motors without sleeve bearings (as described above) will
have grease lubricated ball or roller bearings. Motor bear-
ings without provisions for relubrication will operate up to
10 years under normal conditions with no maintenance.
Typical Installation
Refer to page 7.
Final Installation Steps
1. Inspect fasteners and setscrews, particularly fan
mounting and bearing fasteners, and tighten accord-
ing to the recommended torque shown in the table be-
low, Recommended Torque for Setscrews/Bolts.
2. Inspect for correct voltage with voltmeter.
3. Ensure all accessories are installed.
4. Test the fan to be sure the rotation is the same as indi-
cated by the arrow marked Rotation.
Operation
Pre-Start Checks
1. Lock out all the primary and secondary power sources.
2. Inspect fasteners and setscrews, particularly those used for
mounting the unit, and tighten if necessary.
3. Inspect belt tension and pulley alignment. (Remember, if
belt tension is correct, a loud squeal occurs as the fan in-
creases to full power.)
4. Inspect motor wiring.
5. Ensure the belt touches only the pulleys.
6. Rotate the prop to ensure it does not rub against the venturi.
7. Ensure fan and ductwork are clean and free of debris.
8. Test the fan to ensure the rotation of the propeller is the
same as indicated by the rotation label.
9. Close and secure all access doors.
10. Restore power to unit.
Start Up
Turn the fan on. In variable speed units, set the fan to its
lowest speed. Inspect for the following:
• Direction of rotation
• Excessive vibration
• Unusual noise
• Bearing noise
• Improper belt alignment or tension (listen for a continuous
squealing noise)
• Improper motor amperage or voltage
NOTICE! If a problem is discovered, immediately shut
o the fan. Lock out all electrical power and check for
the cause of the trouble. Refer to Troubleshooting.
Recommended Torque for Setscrews/Bolts (IN-LB)
Setscrews Hold Down Bolts
Size
Key Hex
Across
Flats
Recommended
Torque Size Recommended
Torque
Min. Max.
#8 5/64” 15 21 3/8”-16 324
#10 3/32” 27 33 1/2”-13 780
1/4 1/8” 70 80 5/8”-11 1440
5/16 5/32” 140 160 3/4”-10 2400
3/8 3/16” 250 290 7/8”-9 1920
7/16 7/32” 355 405 1”-8 2700
1/2 1/4” 560 640 1-1/8”-7 4200
5/8 5/16” 1120 1280 1-1/4”-7 6000
3/4 3/8” 1680 1920 - -
7/8 1/2” 4200 4800 - -
19/16” 5600 6400 - -
Inspection
Inspection of the fan should be conducted at the rst 30
minute, 8 hour and 24 hour intervals of satisfactory op-
eration. During the inspections, stop the fan and inspect as
per the following directions.

5PROPELLER WALL IO&M B51091-003
Changing Shaft Speed
All belt driven Propeller Wall fans with motors up to and
including 5HP are equipped with variable pitch pulleys. To
change the fan speed, perform the following:
1. Loosen setscrew on driver (motor) pulley and remove
key, if equipped.
2. Turn the pulley rim to open or close the groove facing.
If the pulley has multiple grooves, all must be adjusted
to the same width.
3. After adjustment, inspect for proper belt tension.
Speed Reduction
Open the pulley in order that the belt rides deeper in the
groove (smaller pitch diameter).
Speed Increase
Close the pulley in order that the belt rides higher in the
groove (larger pitch diameter). Ensure that the RPM lim-
its of the fan and the horsepower limits of the motor are
maintained.
Maximum RPM
EWB
Size
Maximum
RPM
AWB
Size
Maximum
RPM
APB
Size
Maximum
RPM
24 1675 24 1510 24 1005
30 1370 30 1145 30 800
36 1310 36 990 36 645
42 1175 42 905 42 660
48 1215 48 900 48 605
54 960 - - - -
60 890 - - - -
72 700 - - - -
XLP/XLPS
Size Maximum RPM XLPH/XLPHS Size Maximum RPM
20 1280 - -
24 1012 24 1100
30 666 30 1074
36 566 36 895
42 424 42 870
48 356 48 761
54 316 54 472
60 260 60 446
XMP/XMPS
Size Maximum RPM XMPH/XMPHS Size Maximum RPM
20 1280 - -
24 1276 24 1385
30 830 30 1175
36 680 36 948
42 498 42 829
48 414 48 726
54 346 54 522
60 318 60 530
XLW/XLWS
Size Maximum RPM XLWH/XLWHS Size Maximum RPM
20 1276 - -
24 1018 24 1126
30 674 30 1074
36 570 36 895
42 422 42 870
48 356 48 761
54 320 54 478
60 256 60 438
XMW/XMWHS
Size Maximum RPM XMWH/XMWHS Size Maximum RPM
20 1462 - -
24 1272 24 1385
30 860 30 1175
36 672 36 948
42 498 42 829
48 416 48 726
54 350 54 522
60 320 60 530
In severe applications, high temperatures or excessive
contaminates, it is advisable to have the maintenance de-
partment disassemble and lubricate the bearings after 3
years of operation to prevent interruption of service.
For motors with provisions for relubrication, follow inter-
vals of the table below.
Relubrication Intervals
Service
Conditions
Nema Frame Size
Up to and
Including 184T 213T-365T 404T and Larger
1800
RPM
and
Less
Over
1800
RPM
1800
RPM
and
Less
Over
1800
RPM
1800 RPM
and Less
Over
1800
RPM
Standard 3 yrs. 6 months 2 yrs. 6 months 1 yr. 3 months
Severe 1 yr. 3 months 1 yr. 3 months 6 months 1 month
Motors are provided with a polyurea mineral oil NGLI #2
grease. All additions to the motor bearings are to be with
a compatible grease such as Exxon Mobil Polyrex EM and
Chevron SRI.
The above intervals should be reduced to half for vertical
shaft installations.
Fan Bearings
The fan bearings are provided prelubricated. Any spe-
cialized lubrication instructions on fan labels supersedes
information provided herein. Bearing grease is a petro-
leum lubricant in a lithium base conforming to an NLGI #2
consistency. If user desires to utilize another type of lu-
bricant, they take responsibility for ushing bearings and
lines, and maintaining a lubricant that is compatible with
the installation.
An NLGI #2 grease is a light viscosity, low-torque, rust-
inhibiting lubricant that is water resistant. Its temperature
range is from -30°F to 200°F and capable of intermittent
highs of 250°F.
Bearings should be relubricated in accordance with the
condition chart below.
For best results, lubricate the bearing while the fan is in
operation. Pump grease in slowly until a slight bead forms
around the bearing seals. Excessive grease can damage
seal and reduce life through excess contamination and/or
loss of lubricant.
In the event that the bearing cannot be seen, use no
more than three injections with a hand operated grease
gun.
Conditions Chart
RPM Temp °F Greasing Interval
Up to 1000 -30 to 120 6 months
120 to 200 2 months
1000 to 3000 -30 to 120 3 months
120 to 200 1 month
Over 3000 -30 to 120 1 month
120 to 200 2 weeks
Any Speed < -30 Consult Factory
Any Speed > 200 1 week
For moist or otherwise contaminated installations; divide the in-
terval by a factor of three. For vertical shaft installations divide the
interval by a factor of two.
Motor Services
Should the motor prove defective within a one-year pe-
riod, contact your local Loren Cook representative or your
nearest authorized electric motor service representative.

6PROPELLER WALL IO&M B51091-003
15. Tighten the bearing setscrews to the specied torque.
16. Install the pulley and adjust the belt tension.
17. After 24 hours of continuous operation, tighten the set-
screws to the appropriate torque. This assures the full
locking of the inner race to the shaft. Ensure the sock-
et key or driver is in good condition with no rounded
corners. The key should be fully engaged in the set-
screw and held squarely to prevent the rounding out of
the setscrew socket when applying maximum torque.
18. Tighten the bearing setscrews to the specied torque.
19. Install the pulley and adjust the belt tension.
20. After 24 hours of continuous operation, tighten the set-
screws to the appropriate torque. This assures the full
locking of the inner race to the shaft. Ensure the sock-
et key or driver is in good condition with no rounded
corners. The key should be fully engaged in the set-
screw and held squarely to prevent the rounding out of
the setscrew socket when applying maximum torque.
Troubleshooting
Problem and Potential Cause
Low Capacity or Pressure:
• Incorrect direction of rotation. Make sure the fan rotates
in same direction as the arrows on the motor or belt drive
assembly
• Poor fan inlet conditions. There should be a straight clear
duct at the inlet
• Improper wheel alignment
Excessive Vibration and Noise:
• Damaged or unbalanced wheel
• Belts too loose; worn or oily belts
• Speed too high
• Incorrect direction of rotation. Make sure the fan rotates
in same direction as the arrows on the motor or belt drive
assembly
• Bearings need lubrication or replacement
• Fan surge
Overheated Motor:
• Motor improperly wired
• Incorrect direction of rotation. Make sure the fan rotates
in same direction as the arrows on the motor or belt drive
assembly
• Cooling air diverted or blocked
• Improper inlet clearance
• Incorrect fan RPMs
• Incorrect voltage
Overheated Bearings:
• Motor improperly wired
• Incorrect direction of rotation. Make sure the fan rotates
in same direction as the arrows on the motor or belt drive
assembly
Pulley and Belt Replacement
1. Clean the motor and fan shafts.
2. Loosen the motor plate mounting bolts to relieve the
belt tension. Remove the belt.
3. Loosen the pulley setscrews and remove the pulleys
from the shaft.
NOTICE! If excessive force is required to remove the
pulleys, a three-jaw puller can be used. This tool,
however, can easily warp a pulley. If the puller is
used, inspect the trueness of the pulley after it is re-
moved from the shaft. The pulley will need replace-
ment if it is more than 0.020 inch out of true.
4. Clean the bores of the pulleys and place a light coat of
oil on the bores.
5. Remove grease, rust and burrs from the shaft.
6. Place fan pulley on the fan shaft and the motor pulley
on the motor shaft. Damage to the pulleys can occur
when excessive force is used in placing the pulleys on
their respective shafts.
7. After the pulleys have been correctly placed back onto
their shafts, tighten the pulley setscrews.
8. Install the belts on the pulleys. Align and adjust the
belts to the proper tension as described in Belt and
Pulley Installation, page 2
Bearing Replacement
The fan bearings are pillow block ball bearings.
1. Mark the position of the shaft in reference to both the
bearing races and the propeller and pulley. Make a
note of the clearance between the propeller and the
frame.
2. Remove the pulley.
3. Remove the propeller from the shaft. A two-jaw puller
may be needed to remove the propeller from the shaft.
4. Remove the bearing hold-down bolts. Remove the
shaft and the bearings as one unit.
5. Remove the anti-corrosion coating from the shaft with
a suitable degreaser.
6. Remove the bearing from the shaft using a bearing
puller. If a bearing puller is not available, remove the
bearing by using a wood block and hammer. An emery
cloth or le may be needed to remove imperfections in
the shaft left by the setscrews.
7. Clean the shaft and bearing bore thoroughly.
8. Place the bearings into position ensuring they are not
on a worn section of the shaft. Tapping the inner ring
face with a soft driver may be required. Do not ham-
mer on the housing.
9. The outer ring of the bearing is spherical and swivels
in the housing to compensate for misalignment. Slight-
ly tighten the hold down bolts.
10. Align the setscrews on the bearings and tighten one
setscrew on each bearing.
11. Rotate the shaft to allow the bearing outer rings to nd
the center of free movement.
12. Install the propeller on the shaft and adjust the bearing
position to center the propeller in the opening.
13. Tighten the hold-down bolts to the proper torque. Re-
fer to the Torque Chart, page 4.
14. Turn the shaft by hand. Resistance should be the
same as it was before the hold-down bolts were fully
tightened.

7PROPELLER WALL IO&M B51091-003
Exhaust Package Fan with
Shutter Guard
Illustrated is the typical installa-
tion of an exhaust PAC-Fan in a ma-
sonry wall with a shutter guard. The
installer provides suitable fasteners
(Hex bolts or Lag screws) to support
the fan. It is recommended that 5/16”
minimum bolts on 6” to 10” centers be
used on the perimeter of the housing.
Mounting ange should be caulked to
exterior of the wall. Fans with motors
in excess of 80 lbs. should be addi-
tionally supported by hanging rods or
supports placed underneath the fan.
A
7
WO
B
APB,
APD,
SPD
XLP,
XLPH,
XMP,
XMPH
EPB,
EPD AB- Direct B-Belt WO
8- - 10-5/8 13-5/8 -13-1/4
10-12 - - 14-5/8 17-5/8 -17-1/4
14-16 - - 18-5/8 20 -21-1/4
18-20 20 -22-5/8 22 34-1/4 25-1/4
24 24 - 27-7/8 23 34-1/4 31-1/4
30 30 24 33-7/8 24-3/8 37-7/8 37-1/4
36 36 30 39-7/8 28-3/8 39-3/8 43-1/4
42 42 36 45-7/8 33-5/8 40-5/8 49-1/4
48 48 42 51-7/8 39-5/8 50-5/8 55-5/16
-54 48 57-7/8 40-1/8 47-3/4 61-5/16
-60 54 63-7/8 44-3/4 47-3/4 67-1/2
- - 60 69-7/8 -47-3/4 73-1/2
- - 72 81-7/8 -50-3/4 85-1/2
Exhaust Fan with Osha
Wire Guard & Shutter
Illustrated is the typical installa-
tion of an exhaust wall fan with an
OSHA wire guard and shutter in
a steel structure with corrugated
siding. The installer will provide
a sleeve of suitable material to
support the fan at a correct dis-
tance from the shutter (minimum
distance is the “A” dimension).
D
A
1-1/2 1-1/2
WO
C
B
Fan support and flashing by others.
AWB
AWD
SWD
XLW
XLWH
XMW
XMWH
EWB
EWD A B C D E
WO
Std.
Fan
Wire
Guard.
8- - 11 13 12-3/4 10 112-1/2 13-1/4
10-12 - - 12 13 16-3/4 14 1 16-7/16 17-1/4
14-16 - - 12 13 20-3/4 18 120-7/16 21-1/4
18-20 - - 13 12 24-3/4 22 1 24-7/16 25-1/4
-20 - 13 21 24-3/4 22 1 24-7/16 25-1/4
24 - - 15 21 30-3/4 27 1-1/2 30-7/16 31-1/4
- 24 - 15 13 30-3/4 27 1-1/2 30-7/16 31-1/4
30 30 24 16 21 36-3/4 33 1-1/2 36-7/16 37-1/4
36 36 30 16 21 42-3/4 39 1-1/2 42-7/16 43-1/4
42 42 36 17 26 48-7/8 45 1-1/2 48-7/16 49-1/4
48 48 42 17 26 54-7/8 51 1-1/2 54-7/16 55-5/16
-54 48 17 28 60-7/8 57 1-1/2 60-7/16 61-5/16
-60 54 17 28 66-7/8 63 1-1/2 66-7/16 67-1/2
- - 60 17 28 72-7/8 69 1-1/2 72-7/16 73-1/2
- - 72 17 31 84-7/8 81 1-1/2 84-7/16 85-1/2
Supply Fan with Wall
Collar, Osha Wire Guard,
Motorized Supply Shutter
& Weather Hood
Illustrated is the typical installa-
tion of a supply wall fan in a ma-
sonry wall with a wall collar, OSHA
wire guard, motorized supply shut-
ter and weather hood. The installer
provides suitable fasteners to sup-
port the fan. Fasteners should be
placed on 6” to 10 centers on the
perimeter of the wall collar. Wall
collar should be caulked to the
exterior of the wall. The weather
hood should be securely fastened
and sealed to the wall. Fans with
motors in excess of 80 lbs. should
be additionally supported by hang-
ing rods or supports placed under-
neath the fan.
B
WO A
DC
E
Hood Free Area
AWB
AWD
SWD
XLW
XLWH
XMW
XMWH
EWB
EWD A B C D E WO
8- - 18 16 12 13 1 13-1/4
10-12 - - 22 18-3/4 14-3/8 13 1 17-1/4
14-16 - - 26 21-3/4 15-3/8 13 1 21-1/4
18-20 - - 30 24-1/2 17-5/8 13 1 25-1/4
-20 -30 24-1/2 17-5/8 21 1 25-1/4
24 - - 30 24-1/2 17-5/8 13 1-1/2 31-1/4
- 24 - 34 27-1/4 18-3/4 21 1-1/2 31-1/4
30 30 24 40 31-1/2 18-3/4 21 1-1/2 37-1/4
36 36 30 46 35-3/4 19-1/2 21 1-1/2 43-1/4
42 42 36 52 40 19-1/2 26 1-1/2 49-1/4
48 48 42 58 44-1/4 19-3/4 26 1-1/2 55-5/16
-54 48 64 48-1/2 19-3/4 28 1-1/2 61-5/16
-60 54 70 52-3/4 19-3/4 28 1-1/2 67-1/2
- - 60 76 57 19-3/4 28 1-1/2 73-1/2
- - 72 88 67-1/2 19-3/4 31 1-1/2 85-1/2
Typical Installations
(Dimensions are in inches)

8PROPELLER WALL IO&M B51091-003
Parts List
XWD & SWD
Exhaust
Supply
Air Flow
Rotation
Rotation
1
2
3
5
4
Air Flow
1
2
3
5
4
6
7
Part Description Part Description
1Motor 5 Stamped Aluminum Propeller
2 Wire Guard 6 Wall Collar
3 Wall Base 7 End Wire Guard
4 Venturi
Note: Since 2012, the venturi and base are one piece.
XWHD
Size 12-18
Exhaust Rotation
Supply Rotation Air Flow Air Flow
Air Flow
Size 20-24
Supply
SupplyExhaust
Exhaust
Air Flow
2 5 3
6 6
6 6
7
44
4 4
1
7
1
7
1
7
1
XPD & SPD
Exhaust
Air
Flow
Air
Flow
6 2 39
11
10
2
639
11
10
4
5
4
5
1
1
XPHD
Exhaust
Size 12-18 Size 20-24
Supply
Size 12-18
55
55
4
74
7
4
74
7
62
8
1
8
1
8
1
8
1
39
11
10 9
11
10
6 2 3
Size 20-24
6239
11
10 6239
11
10
Air
Flow
Air
Flow
Air
Flow
Air
Flow
Part Description
XPD SPD XPHD
1Motor
2 Wire Guard Power Assembly
3 Wall Base
4 Venturi
5 Stamped Aluminum Propeller
6 Fan Box Panels
7 End Wire Guard
8-Motor Plate
9 Mounting Collar Angles (4)
10 Anchor Angles (2)
11 Shutter Assembly
Note: Since 2012, the venturi and base are one piece.
Part Description
1Motor
2Power Assembly
3 Wall Base
4 Venturi
5
Stamped
Aluminum
Propeller
6 End Wire Guard
7 Motor Plate
Note: Since 2012, the venturi
and base are one piece.

9PROPELLER WALL IO&M B51091-003
XLW / XMW
Exhaust
Suppl
y
Rotation
Air Flow
Rotation
2 3 4
12
12
4
5
Air Flow
6
7
7
1
10
13
13
23
56
1
10
11
11 9
9
8
8
XLWH / XMWH
Exhaust
Supply
Rotation
Rotation
2 3 Air Flow
Air Flow
6
1
4
5
11
11
8
12
10
9
2 3
6
1
4
5
7
8
12
10
9
13
13
7
Part Description Part Description
1Power Assembly Rail 8 Motor
2 Base 9 Motor Plate
3Prop 10 Drive Sheave
4Power Assembly Feet (3) 11 Driven Sheave
5 Shaft 12 Belt
6 Bearings (2) 13 End Wire Guard
7Venturi
Note: Since 2012, the venturi and base are one piece.
XLP / XLPH / XMP / XMPH
Supply
1
Exhaust
45
2
13 7
7
3
8
10
9
12
14
11
1
45
2
13 6
3
8
10
9
12
14
11
6
Air Flow
Air Flow
Part Description
1 Base
2Prop
3 Venturi
4Shaft
5 Bearings (2)
6 Motor
7 Motor Plate
8Driven Sheave
9Drive Sheave
10 Belt
11 Mounting Collar Angles (4)
12 Anchor Angles (2)
13 End Wire Guard
14 Shutters
Note: Since 2012, the venturi and base are one piece.

10PROPELLER WALL IO&M B51091-003
AWD
Exhaust
S
upply
Rotation
Rotation Air Flow
Air Flow
12
5
4
3
7
7
124
3
6
5
6
AWB
5
Exhaust
Rotation
Air Flow
12
7
4
3
6
12
10
89
11
Supply
Rotation
Air Flow
7
4
123
6
5
12
10
89
11
Part Description
1Power Assembly
2Prop
3 Base
4 Venturi
5 Motor
6 Motor Plate
7Wire Guard
8 Shaft
9 Bearings
10 Driver Sheave
11 Belt
12 Driven Sheave
Note: Since 2012, the venturi and base are one piece.
APD
Exhaust
Supply
7
7
Air
Flow
Air
Flow
Rotation
Rotation
12389
89
10
10
4
4
123
6
5
6
5
APB
Exhaust Supply
7 7
Air
Flow
Air
Flow
4
6 6
1
2
4
2
3
15 14 15 14
891389
10 10
12
13
11
5
12
13
11
5
Part Description Part Description
1Power Assembly 10 Shutters
2Prop 11 Driven Sheave
3 Base 12 Driver Sheave
4 Venturi 13 Belt
5 Motor 14 Shaft
6 Motor Plate 15 Bearings
7Wire Guard
8 Mounting Collar Angles (4)
9 Anchor Angles (2)
Note: Since 2012, the venturi and base are one piece.

11PROPELLER WALL IO&M B51091-003
EWD
Exhuas
t
Air
Flow
Supply
Air
Flow
Exhaust Rotation
Supply Rotation
5
6
3
12
4
7
EWB
Exhaust Rotation
Supply Rotation
56
8
9
11
12
10
3
12
4
Exhuas
t
Air
Flow
Supply
Air
Flow
7
EPD
Exhaust Supply
Air
Flow
Air
Flow
13 1
5
6 6
7
3
4
252
474
5
61
13 3
14 15
16
EPB
Air
Flow
Air
Flow
Exhaust Supply
5
6
9
12
10
9
12
10
11 11
82 2
7 7
45
6
4
1
13 13
3
14
15
16 13
14
15
16
8
Part Description Part Description
1Power Assembly 10 Driver Sheave
2Prop 11 Belt
3 Base 12 Driven Sheave
4 Venturi 13 Fan Box Panels
5 Motor 14 Mounting Collar Angles (4)
6 Motor plate 15 Anchor Angles (2)
7 End Wire Guard 16 Shutters
8 Bearing Note: Since 2012, the venturi
and base are one piece.
9 Shaft
Weather Hood Size 36 to 60
1
3
5
6
4
8
2
7
8
8
8
9
Part Description Part Description
1Top Panel, Piece 1 6 Bird Screen Support
2Top Panel, Piece 2 7 1/2” Mesh Galvanized Bird Screen
3Right Side Panel 8 1/4” X 1/2” Speed Screw
4Left Side Panel 9 5/16 SAE Steel Washer
5 Bottom Panel
Weather Hood Size 8 to 30
5
7
6
6
1
3
4
2
6
Part Description Part Description
1Top Panel 5 1/2” Mesh Galvanized Bird Screen
2Right Side Panel 6 1/4” X 1/2” Speed Screw
3Left Side Panel 7 5/16 SAE Steel Washer
4Bottom Panel

12PROPELLER WALL IO&M B51091-003
Weather Hood EWB 72
1
2
9
6
8
10
7
4
3
10
10
11
10
10
Part Description Part Description
1Top Panel, Piece 1 7 Bottom Panel
2Top Panel, Piece 2 8 Bird Screen Support
3Right Side Panel Tip 9 1/2” Mesh Galvanized Bird Screen
4Right Side Panel 10 1/4” X 1/2” Speed Screw
5 Left Side Panel Tip 11 5/16 SAE Steel Washer
6 Left Side Panel
Limited Warranty
Loren Cook Company warrants that your Loren Cook fan was manufactured free of defects in materials and workmanship, to the extent stated herein.
For a period of one (1) year after date of shipment, we will replace any parts found to be defective without charge, except for shipping costs which will be
paid by you. This warranty is granted only to the original purchaser placing the fan in service. This warranty is void if the fan or any part thereof has been
altered or modied from its original design or has been abused, misused, damaged or is in worn condition or if the fan has been used other than for the
uses described in the company manual. This warranty does not cover defects resulting from normal wear and tear. To make a warranty claim, notify Loren
Cook Company, General O󰀩ces, 2015 East Dale Street, Springeld, Missouri 65803-4637, explaining in writing, in detail, your complaint and referring to
the specic model and serial numbers of your fan. Upon receipt by Loren Cook Company of your written complaint, you will be notied, within thirty (30)
days of our receipt of your complaint, in writing, as to the manner in which your claim will be handled. If you are entitled to warranty relief, a warranty ad-
justment will be completed within sixty (60) business days of the receipt of your written complaint by Loren Cook Company. This warranty gives only the
original purchaser placing the fan in service specically the right. You may have other legal rights which vary from state to state. For fans provided with
motors, the motor manufacturer warrants motors for a designated period stated in the manufacturer’s warranty. Warranty periods vary from manufacturer
to manufacturer. Should motors furnished by Loren Cook Company prove defective during the designated period, they should be returned to the nearest
authorized motor service station. Loren Cook Company will not be responsible for any removal or installation costs.
Corporate O󰀩ces: 2015 E. Dale St. Springeld, MO 65803
Phone [phone] | Fax [phone] | lorencook.com
July 2017