Schaefer WMTA24-B Manual de usuario
KEEP THIS MANUAL IN A CLEAN, DRY PLACE FOR FUTURE REFERENCE.
All information, illustrations and specifications in this manual are based on the latest product information available at the time of
printing. Product specifications subject to change. We reserve the right to make changes at any time without notice.
If you need replacement parts, please contact your dealer. Take special care when ordering replacement blades and
motors to ensure you get the proper configuration for your fan. If you do not have that information, please call
our customer service department at 800-779-3267 for assistance.
GENERAL SAFETY INFORMATION
- This fan is intended for general use only. Do not use near hazardous or explosive materials or vapors.
- Before operating this fan, check for worn, damaged, or missing parts and replace or repair as needed.
- To avoid risk of fire, electric shock or personal injury, disconnect from power source before servicing.
- Never insert fingers or any other objects through the guards when fan is in operation.
- Never operate fan without guards in place.
- Certain fans have guards that are not OSHA compliant. These units are designed to be intrinsically safe, however, never
allow children near fan when in operation. Schaefer recommends these fans be installed greater than 7 feet from the ground.
- Unplug the fan before moving from one location to another.
- Fan must be located in an area that allows for adequate air flow around the fan.
- Starving the fan of air may cause the motor to overheat and trigger the unit to shut off.
- Fan motor is thermally protected and will shut off if overheated. Turn unit off and allow motor to cool before restarting.
- Carefully read all safety messages in this manual and on your equipment safety labels.
- Warning labels must be kept in good condition and be replaced if necessary.
- Follow recommended precautions and safe operating practices.
UNPACKING YOUR FAN
• Visually inspect the unit for any damage that may have occurred during shipping.
• Contact your shipper immediately if any damage is found.
INSTALLING YOUR FAN
Many Schaefer circulation fans include a fan mount. Additionally, we offer a variety
of wall mounts and ceiling mounts for permanent installations as well as pedestals
and a fan cart for mobile / free-standing applications.
Wall and ceiling mounts must be installed on a support structure strong enough for
the added weight of the mount and fan assembly. The customer is responsible for
determining that their structure is adequate to support these loads.
MOUNTING HARDWARE
The hardware to attach the fan mount to the support structure is not supplied.
Hardware must be adequately sized and be the proper type for your installation
to safely support the fan. Always follow the fastener manufacturers installation
instructions.
ATTACHING THE FAN
TO THE MOUNT
Use the supplied hardware
that came with your fan
to attach it to the mount.
The 3/8” hardware installs
through the center hole of
the motor yoke bracket.
The 1/4” hardware fastens through the slot feature. Adjust the fan to the
desired angle and securely tighten all mounting hardware.
Fan mount designs may vary. Fan must always be attached to the mount
through center hole of the motor yoke bracket using 3/8” hardware.
2
CAUTION: Fasteners may loosen over time. It is important to check and tighten fasteners frequently.
CAUTION: Inspect fan components and fasteners frequently for corrosion. Replace any corroded fasteners or parts.
Schaefer Ceiling Mounts
Schaefer Wall Mount
3/8"
1/4"
DESCRIPTION
Schaefer’s wall mounts offer the flexibility to
mount circulation fans up to 42" on a wide
variety of surfaces using four distinct mounting
configurations. Mounts allow for 180° swivel
adjustment from side to side with the capability
to tilt up to 45° to direct the air where desired.
Assembled in the USA of heavy-duty steel, these
mounts will provide years of dependable fan
support for your cooling and air circulation needs.
MOUNTING CONFIGURATIONS
Schaefer’s wall mount bracket can be assembled in four
configurations. Some configurations will limit the fan
angle adjustment range. The Long Leg Out, Short Leg Up
configuration allows the maximum listed fan to swivel and
tilt with no interference of the support structure or diagonal
brace.
Note: The swivel tab must always be mounted downward as
shown.
WALL BRACKET ASSEMBLY
Kit Contents:
Formed Bracket, Diagonal Brace, Swivel Tab
(2) 1/4"-20 x 3/4" Bolts, (2) 1/4"-20 Nylock Nuts, (4) 1/4" Washers
(1) 3/8"-16 x 1-1/4" Bolt, (1) 3/8"-16 Nylock Nut, (1) 3/8" Washer
Tools required:
(2) 7/16" Wrenches
(1) 9/16" Wrench
1. Orient the Formed Bracket and Diagonal
Brace so both hole patterns are aligned.
2. Join the Bracket and Brace with the 1/4"
hardware through the desired Swivel Tab end.
Use the 7/16" wrenches and tighten fasteners
securely.
3. Install Swivel Tab using the 3/8" hardware.
Insert the 3/8" Nylock Nut into the Swivel
Tab Slot feature. Hold the nut in position
while installing the 3/8" bolt. Use the
9/16" Wrench to tighten the bolt until the
Swivel Tab is seated against the bracket but
still allows rotational movement.
Long leg out, short leg down
Short leg out, long leg down
Long leg out, short leg up
Short leg out, long leg up
Step 1: Step 2:
Step 3:
Holes
align
Capture
nut within
Swivel Tab
Slot
Surface
contact
Specifications
Part Number Maximum Fan* Size Finish
WMTA24-B 12" - 24" Powder Coated Black
WMTA24-SS 12" - 24" Stainless Steel
WMTA30-B 12" - 30" (36")* Powder Coated Black
WMTA30-SS 12" - 30" (36")* Stainless Steel
WMTA36-B 12" - 36" (42")* Powder Coated Black
* A larger fan can be mounted with a smaller mount, but it will have
limited swivel range of motion. Maximum fan weight: 75 lbs.
3
INSTALLATION REQUIREMENTS
Support Structure:
The fan mount bracket must be installed on a support structure strong enough
for the added weight of the bracket and fan. Refer to Loading Tables below.
Suitable material choices are wood, cement, brick and steel. Wood supports
must be 3" x 3" square post or larger.
Mounting Hardware:
THE HARDWARE TO ATTACH THE FAN MOUNT BRACKET TO THE
STRUCTURE IS NOT SUPPLIED. HARDWARE MUST BE ADEQUATE TO
SAFELY SUPPORT THE LOADS SHOWN IN THE TABLES BELOW.
Attach the fan mount bracket with (3) washers and (3) screws or bolts with
Nylock nuts suitable for your installation (2 fasteners at the 90° bend; 1 fastener
at the end away from the swivel tab). Fasteners should be 5/16"diameter,
Grade 2 or better. Lag screws used for wood installation must be at least 2"
long. Always follow the fastener manufacturer's installation instructions.
Wall Mount Fastener Loading:
Loading Tables:
F MAX
V MAX V VMAX
V HMAX
75 lbs
Max. 75 lbs
Max.
F MAX
Fan In-Line with Mount Fan Perpendicular to Mount
Mount F MAX** V HMAX** V VMAX
WMTA24 53 lbs 20 lbs 38 lbs
WMTA30 50 lbs 15 lbs 38 lbs
WMTA36 48 lbs 13 lbs 38 lbs
75 lb Fan In-Line with Mount 75 lb Fan Perpendicular to Mount
Note: F MAX is "pull out" force (per fastener).
V MAX, V HMAX & V VMAX are shear loadings (per fastener).
Mount F MAX V MAX
WMTA24 63 lbs 38 lbs
WMTA30 58 lbs 38 lbs
WMTA36 54 lbs 38 lbs
4
5
Attach the Fan:
THE HARDWARE TO ATTACH YOUR FAN TO THE FAN MOUNT BRACKET IS NOT SUPPLIED IN THIS KIT.
Note: Fasteners are supplied with all current Schaefer circulation fans.
Note: Stainless steel fasteners should be coated with a lubricant (WD-40) to prevent thread galling and
allow subsequent adjustment.
Install (1) 3/8" x 1-1/4” bolt, (2) washers and (1) Nylock nut through Swivel Tab hole
Install (1) 1/4" x 1” bolt, (2) washers and (1) Nylock nut through Swivel Tab slot
Once fan is securely attached to the Swivel Tab, orient
the fan horizontally and tighten the Swivel Tab hardware
to prevent the fan from turning.
Adjust the fan to desired angle and
securely tighten the hardware.
CAUTION: Fasteners will loosen over time. It is important to check and tighten fasteners frequently.
CAUTION: Inspect mounts and fasteners frequently for corrosion. Replace any corroded fasteners or parts.
Large
Guard
Wires
Safety Cable: (
Safety Cable Kit sold separately.)
A SECONDARY SUPPORT CABLE SHOULD BE INSTALLED ANY TIME THE FAN IS MOUNTED OVERHEAD FOR
ADDITIONAL SAFETY.
Safety Cable must go around the Large Diameter Wires of the Front and Rear Guards.
The other end of Safety Cable must be securely fastened to a building joist, truss, or beam near the fan. Take up
all unnecessary slack in the cable.
12" AND SMALLER CIRCULATION FANS
Do NOT mount fan at an angle greater than 45 degrees as shown.
The motor bearings in these units are not suitable for operation
beyond this angle.
Large
Guard
Wires
Safety Cable: (
Safety Cable Kit sold separately.)
A SECONDARY SUPPORT CABLE SHOULD BE INSTALLED ANYTIME THE FAN IS MOUNTED
OVERHEAD FOR ADDITIONAL SAFETY.
Safety Cable must go around the Large Diameter Wires of the Front and Rear Guards.
The other end of Safety Cable must be securely fastened to a building joist, truss, or beam near the
fan. Take up all unnecessary slack in the cable.
Ceiling mounted fan drain plug removal
REMOVE MOTOR DRAIN PLUGS
• After installing the fan, remove the motor drain plug located at the lowest point of the motor.
• Failure to remove the drain plug may allow condensation to build up inside the motor, reducing motor life and will void the warranty.
• Do not remove drain plugs on the top side of the motor.
• Drain plug locations and quantity may vary by motor design.
Do NOT mount ceiling brackets horizontally. The ceiling brackets were not
designed to be mounted this way. Mounting the bracket and fan this way
carries a risk of damage to fan and/or property, and a danger to people
and/or animals. Mounting the bracket this way will void the warranty.
Pedestal mounted fan drain plug removal
6
WARNING: INCORRECT MOUNTING CONFIGURATIONS
CORRECT
INCORRECT
INCORRECT
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4
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