OWNER’S MANUAL
OX2500 Series
Installation and Service Manual
INTRODUCTION
SPECIFICATIONS
UNPACKING
MOUNTING
ELECTRICAL
OPERATION
MAINTENANCE
REPLACEMENT PARTS
TROUBLESHOOTING
***IMPORTANT***
THIS MANUAL CONTAINS PRECAUTIONARY STATEMENTS RELATING TO WORKER SAFETY. READ AND SAVE THIS MANUAL
COMPLETELY AND COMPLY AS DIRECTED. ALL THE POTENTIAL HAZARDS OF DUST AND MIST CONTROL SYSTEMS AND
EQUIPMENT ARE IMPOSSIBLE TO LIST; THEREFORE, OBTAIN THE SERVICES OF A PROFESSIONAL INSTALLER. A FIRE
PROTECTION EXPERT SHOULD BE OBTAINED IN THE EVENT THE PRODUCT IS INTENDED FOR USE THAT PRESENTS A
POTENTIAL RISK OF FIRE OR FIRE PROPAGATION. REFER TO APPROPRIATE AUTHORITIES, AND DISCUSS YOUR INTENDED USE
WITH AIR CLEANING SPECIALISTS, INC. WORKERS HANDLING EQUIPMENT OR SYSTEMS SHOULD BE INSTRUCTED TO
CONDUCT THEMSELVES IN A SAFE MANNER.
RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE.
Blue Ox is a Product of Air Cleaning Specialists, Inc. 2011 © www.blueoxaircleaners.com
SPECIFICATIONS OF THE BLUE OX2500
Cabinet 16 GA Cold Rolled Steel
Finish “Circuit Blue” Chemical Resistant Powder Coating Paint
(Brown and Black also available)
Size Standard 59” L 24” W 24” H
Wrap-A-Round Option 77” L 24” W 24” H
Unit Options 2500 Standard
2500-CF (2” Carbon After-Filter)
2500-HE (HEPA Filter)
2500-WAL/WAR (Wrap-A-Round Filter)
Shipping- Standard 150 lbs.
Weight Carbon Pre-Filter 160 lbs.
HEPA Filter Option 190 lbs.
Wrap-A-Round Filter Option 185 lbs.
Power 115 Volt 10.2 AMPS 950 Watts
Capacity Max 2500 CFM / Max 2000 with HEPA
Motor PSC Type ¾ H.P. Direct Drive with Thermal Overload @ 62 dBA
Switch Two Speed Switch
Blower 10 by 10 Direct Drive Centrifugal Forward Curve
Grille Louver with Four-way Individually Adjustable Blades
Bag Filter Standard/Carbon Filter/Wrap: 24” x 24” x 36” - 65% - 8 pocket bag filter
With HEPA or Carbon Bank option: 24” x 24” x 15” - 95% - 12 pocket bag filter
Pre-Filter 24” x 24” x 4” - 35% Pleated pre-filter (Beverage Board Frame)
24” x 24” x 4” - (Optional) Aluminum Mesh pre-filter (Washable and re-useable)
Options Silencers – Directional reduces sound by 6-8 dB, and Non-Directional @ 10-12 dB
Magnehelic Pressure Gauge (Indicates when to change filter)
Eye-Bolts – Installed by Factory for easy mounting
Eye-Bolt Kit – Includes Eye Bolts (4), Chain, and Q-Link
L-Bracket – Ideal for Wall Mounting
Strut Channel – 28” Hanging Brackets for Mounting
Drain Plug – Oil / Mist Drain via Hose Barb Fitting
Warranty Three years on all parts, does not include filters
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WARNING
1. Avoid mixing combustible materials such as (but not limited to) buffing lint, paper / wood dust, aluminum or
magnesium with dust generated from the grinding of ferrous materials. This creates a potential for fire due
to the mixing of sparks and combustible materials.
2. Under no conditions should the machine operator be allowed to put lit cigarettes or any burning object into
this or any dust/mist control system.
3. Installation of this unit in applications where there is a chance for heated and/or flammable materials to
enter the unit should be evaluated to determine if a fire protection/extinguishing system should be installed.
Federal, state or local codes, a required by organizations such as NFPA and Factory Mutual Insurance or
your insurance carrier may require such a system. Air Cleaning Specialists, Inc. can offer basic guidelines
for such an installation; however, final installation design is the responsibility of the filtration unit
Owner/User.
4. Explosion relief vents are required on some applications. Consult with an insurance underwriter or an
NFPA manual to determine proper vent size ratio. Dust or mist collectors must be located outdoors unless
otherwise indicated by NFPA standards. Dust and mist collectors DO NOT CONTAIN EXPLOSION
RELIEF VENTS as shipped from the factory and must be field installed per NFPA standards.
BLUE OX LIMITED WARRANTY
Air Cleaning Specialists, Inc. warrants all products sold, only to purchasers for use in business or for resale, against
defects in workmanship or materials under normal use for three years after date of purchase from Air Cleaning
Specialists, Inc. This three year warranty does include standard warranties from purchased parts such as blowers,
motors, valves, etc. All purchased items will fall under the manufacturers’ standard warranty. Any part which is
determined to be defective in material or workmanship and returned to Air Cleaning Specialists, Inc. or authorized
service facility, as Air Cleaning Specialists, Inc. designates, shipping cost prepaid, will be, as the exclusive remedy,
repaired or replaced, at Air Cleaning Specialists, Inc. option. Any liability for consequential and incidental damage is
expressly disclaimed. Air Cleaning Specialists, Inc. liability, in all events, is limited to and shall not exceed, the
purchase price paid. Title and risk of loss pass to buyer on delivery to the common carrier. If product is damaged in
transit, recipient must file claim with carrier. Air Cleaning Specialists, Inc. will make a good faith effort for prompt
correction or other adjustments with respect to any product that proves to be defective within the warranty period.
SAFETY RULES
Follow all electrical and safety codes as well as the National Electrical Code (NEC), National Fire Protection Association
(NFPA), and the Occupational Safety and Health Act (OSHA). Qualified personnel should perform all electrical
connections and wiring only.
National Fire Protection Association (NFPA) standards require specific duct design and dust collector configuration when
collecting potentially reactive metal dusts, such as aluminum, magnesium, and other materials. NFPA also covers other
dusts such as grain and plastics, etc. A guideline for determining the precautions to be taken can be found in NFPA 497.
Other NFPA standards may apply to your specific application. Consult current NFPA standards, available for NFPA, 1
Batterymarch Park, Quincy, MA, 02269, 800-344-3555, for applicable safeguards which may be required for the
Installation, Operation, and Service of this product.
Additional references are the Uniform Building Code and the Uniform Mechanical Code.
ALWAYS USE BLUE OX REPLACEMENT FILTERS & PARTS TO MAINTAIN WARRANTY.
TO ORDER REPLACEMENT PARTS CALL 866-455-2135 OR EMAIL info@aircleaningspecialists.com.
Although instructions and recommendations are included for installation or your mist or dust collector equipment, the manufacturer does
not assume responsibility for the installation of this equipment nor shall be held liable for direct or consequential damages resulting from
improper methods, structural failure or inadequate supports.
Blue Ox is a Product of Air Cleaning Specialists, Inc. 2011 © www.blueoxaircleaners.com 3
DISCLAIMER
SAFETY
READ AND SAVE THIS MANUAL COMPLETELY AND COMPLY AS DIRECTED. THIS MANUAL
CONTAINS PRECAUTIONARY STATEMENTS RELATING TO WORKER SAFETY. WORKERS
HANDLING EQUIPMENT OR SYSTEMS SHOULD BE INSTRUCTED TO CONDUCT THEMSELVES IN A
SAFE MANNER. ALL THE POTENTIAL HAZARD OF DUST AND MIST CONTROL SYSTEMS AND
EQUIPMENT ARE IMPOSSIBLE TO LIST. THEREFORE, OBTAIN THE SERVICES OF A
PROFESSIONAL INSTALLER. A FIRE PROTECTION EXPERT SHOULD BE OBTAINED IN THE EVENT
THE PRODUCT IN INTENDED FOR USES, WHICH PRESENT A POTENTIAL RISK OF FIRE OR FIRE
PROPOGATION. REFER TO APPROPRIATE AUTHORITIES, AND DISCUSS YOUR INTENDED USE
WITH AIR CLEANING SPECIALISTS, INC.
Initial Inspection
If your new BLUE OX units were shipped in by truck you should inspect the carton for damages or possible
shortages. If there are any signs of possible shipping damages, unpack the units and make a note of the
shortage or damage on the freight bill before signing it. If the carton is opened at a later time and there is
damage to the unit, you should file a concealed damage claim with the delivery carrier. They are responsible
for any damages in shipment or shortages that were actually shipped.
Installing Your New Blue OX Units
All installations must meet all electrical or mechanical building codes that may apply in your particular area.
If there are no local requirements, you should follow the National requirements. If the optional Drain Plug
was installed in your unit, you can connect an appropriate 3/8” I.D. rubber hose for oil/mist routing.
All chains, hooks, bolts or other items used in the installation must be at least strong enough to support
FOUR times the weight of each unit. Unit weights are as follows:
BLUE OX2500 ......................................140 lbs.
BLUE OX2500-CF ................................150 lbs.
BLUE OX2500-HE ...............................180 lbs.
BLUE OX2500-WAL ............................175 lbs.
BLUE OX2500-WAR ............................175 lbs.
Methods for Mounting your OX2500 Unit
There are many different ways to install your units. The most common method of installing the units is to
support them from the ceiling structure with four chains. If the factory is going to utilize this method, you
should have 4 holes drilled down through the top of the unit approximately 6” from each end and 1” from each
side of the unit. The factory will then install Eye-Bolts that can be used to attached chain or rod. An eye bolt
kit is available at an additional cost.
Another available option is Strut Channel, which will be placed underneath the Blue OX and then hung with
appropriate steel chains and Q-Links.
The top end of the chains must be secured to the ceiling structure in a safe and acceptable manner.
The last typical method for installation is a duel L-Bracket mount, which is ideal for wall mounting.
The next page includes sketches indicating possible methods of mounting your OX2500 cabinets. Please
ensure all installations are secure and meet all local, state, and federal codes. Be sure your unit is connected
to the proper voltage and is protected by correct size fuses or breakers.
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Option 1 – Mounting with Eye Bolts
Option 2 – Mounting Strut Channel
OX2500 Installation, Mounting Options
AIR FLOW
24”
24”
59”
Strut Channel Installed
to Ceiling Truss
Strut Channel
Chain (Swinging) to Ceiling/Roof Truss
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Option 3 – Wall Mounting with L-Brackets
Bolt Unit to L-Bracket
Lag Screw to Wall Stud
Bolt with Spreader Nut if
no Stud (Block Wall)
Front – Filter Side
L-Brackets should be 6”
from the ends of the unit,
then secured to the wall
Front View
L-Bracket Installed
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BLUE OX products are designed to improve your environment. The OX2500 series collects dust, smoke, oil
mist, oil smoke, and other atmospheric pollutants in industrial plants, shops, schools, and factories with high
efficiency, 2 or 3 stage filtration. It is a complete air filter packaged unit that can be installed easily and used
as a free hanging air filter unit to clean the ambient pollutants, smoke and haze.
The OX2500 consists of a 4” pleated pre-filter that traps dust and larger particles. The second stage, microglass multi-pocket bag filter has 98% arrestance and either 65 or 95% efficiency (depending on the application)
on the atmospheric dust spot test, removing smoke and other submicron size particles from the air. Changing
out the filters is easy as it requires no tools. The 4” pre-filter pulls from the unit and can be replaced. The
main filter is located directly behind the 4” pre-filter and pulls out also. For light odors, there is an optional 2”
50% bypass carbon filter available.
MOTORS
All direct drive motors are protected with automatic restart overload protection.
All belt driven units must be protected externally.
OPERATION
Do not operate your units without filter for more than a few minutes at a time.
MAGNEHELIC PRESSURE GAGE OPTION
This is an option to help determine when to change the filters. As the bags fill with contaminants, the needle
on the gage will rise. We recommend changing the bags between 1.25 – 1.50 above the reading with clean
filters. It is normal to change the pleated twice (or more) as much as the inside bag filter. After the pleated
has been change and there is no longer a drop in pressure, then it is time to change main filter. The reading
may vary depending upon the contaminants. Please consult your Sales Engineer for further information.
FILTERS
All units are equipped with replaceable type media filters. In some cases, where contaminants being picked up
are dry, it is possible to blow the pre-filters and reuse them. Filters are available in a number of different
degrees of efficiencies. The filters in your new OX2500 unit have been selected by your representative to best
collect your particular type of contaminant.
Media type filters actually become more efficient as they load with contamination. However, as the filters load
up, the air flow volume will decrease and eventually will reach a point where they must be replaced to restore
the original air flow. Changing the filters in your new OX2500 air cleaner is easy. Old filters are simply pulled
out of the entrance end of the unit and new filters are installed. No tools are required. Turning the unit on
when installing new filters will help to pull them into place.
GENERAL NOTE: CLEANING AND INSPECTION OF CABINET
After the dirty components have been removed, inspect the cabinet interior. Remove foreign material, wipe
interior, and clean all filter seating surfaces.
When installing new filters the opening in the bag filter and the pre-filter should be in a vertical position. Be
sure the cloth part of the bag does not bunch up between the bag header and the angle iron filter stops on the
cabinet. The pre-filter should be installed with the wire mesh to the inside of the unit. Replacement filters can
be supplied by your representative.
LOUVERS
Four way lovers are provided on all units to permit you to direct the discharge air away from pilot lights or
heaters and to help you obtain the best air flow pattern for maximum cleaning.
PARTS
ALWAYS USE BLUE OX REPLACEMENT FILTERS & PARTS TO MAINTAIN WARRANTY.
TO ORDER REPLACEMENTS PARTS: CALL 866-455-2135 |EMAIL info@aircleaningspecialists.com.
826 Horan Drive, Fenton, MO 63026
Blue Ox is a Product of Air Cleaning Specialists, Inc. 2011 © www.blueoxaircleaners.com 7
OX2500 Wiring Diagram
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OX2500 with 3 speed Switch Wiring Diagram
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ITEM
PART #
DESCRIPTION
1
25-1000
¾ H.P. DIRECT DRIVE
2
25-1500
10” COMPLETE BLOWER
3
25-1501
BLOWER WHEEL ONLY
4
25-1502
MOTOR MOUNT
5
25-2000
TWO SPEED SWITCH
6
25-2002
12’ POWER CORD
7
25-3000
4 WAY ADJUSTABLE LOUVER
ITEM
PART #
DESCRIPTION
8
BOF-4404
24” X 24” X 4” Pre-Filter - Pleated MERV 8
9
BOF-4404-AM
24” X 24” X 4” Pre-Filter - Aluminum Mesh
10
BOF-443668
24” X 24” X 36” - 65% - Bag Filter (8 Pocket)
11
BOF-443698
24” X 24” X 36” - 95% - Bag Filter (8 Pocket)
12
BOF-4415912
24” X 24” X 15” - 95% - Bag Filter (12 Pocket)
13
BOF-001297-H
20” X 20” X 12” HEPA Replacement Filter
14
BOF-4402-CF
24” X 24” X 2” After-Filter - Carbon – (9 lbs.)
OX2500 Replacement Parts
OX2500 Replacement Filters
ALWAYS USE BLUE OX REPLACEMENT FILTERS & PARTS TO MAINTAIN WARRANTY.
AIR CLEANING SPECIALISTS, INC.
CALL 866-455-2135|EMAIL info@aircleaningspecialists.com
Blue Ox is a Product of Air Cleaning Specialists, Inc. 2011 © www.blueoxaircleaners.com 10
TO ORDER REPLACEMENT PARTS:
826 Horan Drive, Fenton, MO 63026
Problem
Remedy
Motor starts with a whine and does not
reach full speed.
If three-phase powered, stop motor
immediately. It may be “single phasing”
and will overheat, possibly damaging
internal windings. Check fuses and/or
wires for an interruption in one of the
lines. The motor may be operating on
two phases only.
Motor makes a scraping or knocking
noise.
Check motor cooling fan and its cover. It
may have been damaged or shifted in
transit and motor fan is rubbing. Check
for loose blower wheel on motor shaft –
tighten if necessary.
No suction or pressure, or some suction
but not as required (low or no airflow).
Check and open all dampers, if installed.
Check ducting for blockage, if installed.
Check for dirty or blocked filters (refer to
Maintenance section). Check rotation of
fan.
Excess vibration.
Check structural support members.
Tighten all bolts on legs and cross
braces. Make sure entire structure is
solid. Check for loose blower wheel –
tighten if necessary.
Contaminants blowing through unit.
Check for torn or damaged filters.
Check filter seals. If carbon module is
used, make sure filter sock in place.
Check door seals.
Motor over-amping nameplate.
Access door open, close doors.
Incorrect filters or no filters in the unit.
Ductwork faulty.
Troubleshooting
If after performing the above TROUBLESHOOTING the unit fails to perform to
826 Horan Drive - Fenton, MO 63026
CALL 866-455-2135 | EMAIL info@aircleaningspecialists.com
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specifications, contact:
Air Cleaning Specialists, Inc.
Trouble
Cause – What To Do
Motor fails to start.
Blown fuses – Replace with time-delay fuses
or circuit breakers. Check for grounded
winding.
Low voltage – Use higher voltage tap on
transformer terminals, increase wire size.
Check for poor connections.
Improper line connections – Check
connections against diagram supplied with
motor.
Overload tripped – Check and reset relay in
starter. Check heater rating against motor
nameplate current rating. Check motor load.
If the motor has manual re-set thermal
protector, check if it has been tripped.
Motor may be overloaded – Reduce load.
Increase motor size.
If permanent split capacitor motor, capacitor
may be open – Indicated by humming sound.
Replace run capacitor. See nameplate for
correct value.
Defective motor or starter – Repair or
replace.
Motor stalls.
Overloaded motor – Reduce load or increase
motor size.
Low motor voltage – See that nameplate
voltage is maintained.
Motor does not come up to speed.
Not applied properly – Consult motor service
firm for proper type. Use larger motor.
Motor takes too long to accelerate.
Excess loading; high inertia load – Reduce
load. Increase motor size.
Inadequate wiring – Increase wire size.
Check for poor connections.
Applied voltage too low – Reconnect to a
higher transformer tap. Increase wire size.
Check for poor connections.
Defective motor – Repair or replace.
Inadequate starting torque – Replace with
higher horsepower motor.
Motor Trouble Guide
The purpose of this guide is to suggest common answers to electrical problems. The
information is not all-inclusive and does not necessarily apply in all cases. When unusual
operating conditions, repetitive failures, or other problems occur, consult an electric motor
service firm for assistance.
Blue Ox is a Product of Air Cleaning Specialists, Inc. 2011 © www.blueoxaircleaners.com 12
Motor vibrates or is excessively
noisy.
Motor misaligned – Realign.
High voltages – Check wiring connections,
transformer.
Worn, damaged, dirty or overloaded bearings
– Replace, check loading and alignment.
Loose or defective or out-of-balance air
mover – Tighten set screw(s), repair or
replace.
Insufficient speed change.
Insufficient motor load – Use a lower
horsepower motor. Reduce system
restrictions (blower). Increase system
restriction (blower fan).
Motor overheats while running
under load.
Overload – Reduce load; increase motor size.
Dirt preventing ventilation – Clean motor.
Faulty connection – Clean, tighten or
replace.
High or low voltage – Check voltage at
motor; should not be more that 10% above or
below rated.
Defective motor – Repair or replace.
Air Cleaning Specialists, Inc.
826 Horan Drive - Fenton, MO 63026
CALL 866-455-2135 | EMAIL info@aircleaningspecialists.com
Blue Ox is a Product of Air Cleaning Specialists, Inc. 2011 © www.blueoxaircleaners.com 13
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