Bondor Manufacturing Co.

A Division of FS Industries, PO Box 72659 Providence, RI
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LOPRO DRIVE UP WINDOW SERIES
AIR CURTAINS ELECTRIC HEATED

FREE FREIGHT
FOR ALL AIR CURTAINS SHIPPED TO LOCATIONS WITHIN THE 48 CONTIGUOUS UNITED STATES
lopro air curtain
The Most Cost-Effective Environmental and Sanitation Barrier You'll Never See
The LoPro Drive Up Window Model is designed for use at service window applications.

This compact, space-saving air curtain model creates a reliable air barrier to insects, dust and fumes without
disturbing customers or employees. Installed easily and economically without remodeling, the LoPro Drive Up
Window Series provides an unobstructed view while helping to maintain clean, sanitary conditions. This
combination of special features makes it ideal for fast-food drive-thru windows and hamburger stands,
drive-thru banks, schools, cleaners and various retail businesses.

AIR CURTAIN BENEFITS LOPRO DRIVE UP WINDOW SERIES FEATURES
• Reduces Energy Costs And Consumption
• Creates Effective Environmental Separation
• Maintains Interior Building Temperatures
• Provides Low Operational Costs
• Minimizes Dirt, Dust, And Fumes
• Prevents Flying Insects From Intruding
• Offers An Unobstructed View, Enhancing Safety
• Aesthetically Pleasing “Low Profile” 8" Design
• Low Noise Level For Quiet Operation
• Easy To Install
• Low Maintenance
• NSF Models Available (contact us.)
DOOR HEIGHTS
Environmental Separation up to 8'
Flying Insect Control up to 7'
DOOR WIDTHS
25"
Model No.
Width
of Door
Door Height
FLA (Ampacity) Single Phase
Sound
dBA
Weight
(lbs)
115V
208V/230V
LPV25
25"
7' - 8'
2.4
1.2/1.2
49
19

LOPRO (LPV) 1/6 HP VARIABLE SPEED ELECTRIC HEATED
COMMERCIAL MODELS

NOTES:
1. This product is designed to meet the
    National Electric Code (NEC) and is ETL
    Listed for the US and Canada.
2. Continuous duty, direct drive, variable
     speed, double shaft motors with automatic
     thermal overload protection. Overload
     protects motor from burnout, minimizing
     maintenance costs.
3. Blower wheels are rust proof and
    dynamically balanced to provide quiet
    operation, while maintaining high air velocity.
4. Low profile appearance. Overall height is
    8" and overall depth is 11 3/4".
5. Air directional vanes, with 40° sweep front
    to back, compensates for drafts.
6. Mounted adjustable speed controller knob
    allows air velocity to meet a wide range of
    field conditions. Units greater than 72" are
    double units joined with a 2" mounting
     bracket located in the center, field installed.
     The speed controller will be located on the
     right hand unit and controls both units.
7. All units have a self contained one piece
    cabinet, fire retardant and corrosion proof
     point lock metal, double protected with
     Obsidian Black rust preventative electro-
     static powder coating .
8. Normally closed door limit switch(es) is
    optional and field installed. Switch to be
    mounted so the air curtain turns on
    as the door begins to open.
9. Units greater than 72" require dual power
     supplies, one for each air curtain.

Model No. Unit Length
(A)
LPV225-1E* 25"
lopro air curtain
TYPICAL INSTALLATION
1- lnstall Mounting plate(s) using the pre-drilled
     holes.
2 - Securely attach cabinet to mounting plate
      using tabs as guides, when fully inserted
      secure with (2) #10 Tek Screws.
      "CAUTION": Unit to be mounted with
      the lowest moving part at least 7 Feet above
      floor or grade level.
*Bearing Cap Adds 1/2" to unit length
3 - lnstall optional door limit switch(es) to door
      header. (8)
4 - Connect internal wires from unit to supply
      power.
5 - T-stat included.

Standard features
1/6 hp direct-drive motor
Variable-speed controller
Low-profile metal design
Easy install mounting plate
18-month warranty
Made in USA
Protection
Environmental: 8’
Flying-insects: 7’
Standard Color:

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PRICING FOR LOPRO - ELECTRIC HEATED
Model No. -
Color Code (std)
Voltage
kW
Air
Volume
(max.)
Length
Height
Depth
Full
Load
Draw
Heater
Draw
Motor
Draw
Avg.
Velocity
Weight
(lbs.)
Price
208/1/60
6.1kW
625cfm
25"
8"
11 3/4"
31amps
~
~
1800fpm
25
$1,945
230/1/60
6.1kW
625cfm
25"
8"
11 3/4"
28amps
~
~
1800fpm
25
$1,945
Note: A separate 115v or 208v power source required for motors.
O= 460/8/60, 115/1/60, P= 460/3/60, 208/1/60

OB
TS
PW
Optional Color Available - Std. Production Color is Obsidian Black (matte) See add-on prices below.
Prices for Colors That are not Standard for the Series
(add these prices to price of Lopro Drive-up air curtain above)
Length of Unit 25" 36" 42" 48" 60" 64" 72" 84" 96" 108" 120" 144"
TS
PW

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LOPRO ACCESSORIES - UNHEATED
DOOR SWITCHES
Automatic on/off control of air curtain as door is opened and closed
LINE VOLTAGE
Part # Package Price
99-014 Steel Mechanical Universal Surface-Mounted Plunger/Roller Switch $141.50
24 VOLT CONTROL
Part # Package Price
99-018 Commercial Magnetic Reed Switch Only Plastic • Surface-mounted
NOTE: Used with control packages J0023 or J0024 for double doors
$66.10
CONTROL PACKAGES - Combination packages of door switches, controllers, time delays, and thermostats
LINE VOLTAGE
Part # Package Price
Analog Thermostat Remote-mounted
$165.10
FILTERS
Part No. Filters Price
FLTR Aluminum Mesh Filter 1/4' Internal-mount • of 2 • (size): Specify size in inches $3.10/per in.

HEATED PRODUCTS SUPPLEMENT
NOTE
Before proceeding, refer to the units specific IOM Manual for safety, installation and
start information. Verify proper voltage to the product per local and NEC codes.
Ensure proper rotation for units with three phase motors.
Electrically Heated Products
Electrically heated products must be mounted on the
inside of the building. Electrically heated products come
standard with a thermostat (provided and shipped loose,
unless ordered as factory pre-mounted) and is to be field
installed.
Note:
1. Electrically heated Low Profile units come with internally
    mounted controls and available with optional 24 volt or
    240 volt thermostat.
2. Electrically heated Standard, High Velocity and Extra
    Power units include a motor control panel mounted on
    the right-hand side of the unit, as standard, and a remote
    24 volt thermostat with On/Off switch with terminals
    provided.
FIG. 1
3. Electrically heated Wind Stopping and WindGuard units
    include an electric heater control panel mounted on the
    right hand side, as standard (FIG. 1). Optional motor/
    unit control panel available, which includes a remote
    24 volt thermostat with On/Off switch with terminals
    provided.
The thermostat should be mounted as close to the
product’s discharge air flow as possible in order to best
sense the discharged air temperature around the door
opening. Connect proper voltage to the product per local
and NEC codes. (FIG. 2)
Thermal overload protection is built into the heater coil
assembly/assemblies. In the event of an overload condition,
electrical power will be disconnected from the heater coil.
Upon diagnosing the problem, electrical power can be re-
instated to the heater coil(s) by manually resetting the
thermal overload lever(s) or buttons(s) located in the unit
or panel.
FIG. 2
To operate multiple units mounted side by side, utilizing
a single door switch and single thermostat, a master/slave
configuration is required. (FIG. 2)

LOW PROFILE (LPV) VARIABLE SPEED AND
LOW PROFILE (LPN) NSF COMMERCIAL SERIES
Installation, Operation and Maintenance Manual
Please read and save these instructions. Read carefully before attempting to assemble, install, operate or maintain the
product described. Protect yourself and others by observing all safety information. Failure to comply with these
instructions could result in personal injury and/or property damage. Retain these instructions for future reference.
OVERVIEW
Our Air Curtains are designed to cover door openings,
providing both temperature control/environmental
separation and flying insect control, when the building’s
doors are opened. Typical installation heights are: LoPro
Series; LPV (Variable Speed) models (Environmental up
to 8’), LPN (NSF for Customer Entrances) models

(Flying Insect Control up to 7’) and LPN-F (NSF for
Counter Top/Pass Through Windows) models (Flying
Insect Control up to 4’ from Counter Top) All NSF
Certified Models (ETL) should be mounted at the Flying
Insect Control heights referenced above. The units are
typically wall mounted horizontally above the door
opening. They can also be suspended from the ceiling.
The units are ETL Listed, Canada and US, for either an
inside or outside mount and ETL Sanitation Certified.
Heated units must be mounted on the inside or the
protected side of the opening. The motors used in all
LoPro Series are 1/6HP.

WARNING
To reduce the risk of fire, electric shock or injury to
persons, observe the following.
A. Always disconnect, lock and tag power source before
     installing or servicing product.
B. Installation work or electrical wiring must be done by
     qualified person(s) in accordance with all applicable
     codes and standards, including fire-rated construction.
C. The combustion airflow needed for safe operation of
      fuel burning equipment in the area may be affected by
      the product’s operation. Follow the heating equipment
      manufacturer’s guideline and safety standards, such as
      those published by the National Fire Protection
      Agency (NFPA), the American Society of Heating,
      Refrigeration and Air Conditioning Engineers
      (ASHRAE) and local code authorities.
The LoPro Series come standard with a stamped air intake
screen(s). The LPV models can be configured with an
aluminum mesh filter(s) as an option. The LPN models
25”, 28” and 30” and all LPN-F models come standard
with an aluminum mesh air intake filter(s) in conjunction
with the punched air intake screen(s).
GENERAL SAFETY INFORMATION D.When cutting or drilling into a wall or ceiling, be careful
     not to damage electrical wiring and other hidden utilities.
Use this product only in the manner intended by the manufacturer. If you have any questions, contact the manufacturer. Only qualified personnel should install
this product. Installing personnel should have a clear
understanding of these instructions and should be
aware of general safety precautions. Improper
installation can result in electric shock, possible injury
due to coming in contact with moving parts, as well as
other potential hazards.
WARNING
Precaution should be taken in explosive atmospheres.
Note: If the holes provided on the bottom of the unit
and the bottom of the wall mounting plate do not align,
remove the unit and re-install. The holes on the bottom
channel of the wall mounted plate must be on the
bottom.
WARNING
When servicing the product, motor may be hot enough to
cause pain or injury. Allow motor to cool before servicing.
RECEIVING AND INSPECTION
Upon receiving the product, check to make sure all items
are accounted for by referencing the Bill of Lading to
ensure all items were received. Inspect each carton for
shipping damage before accepting delivery. Notify the
freight carrier if any damage is noticed. The carrier will
make notification on the delivery receipt acknowledging
any damage to the product. All damage should be noted
on all copies of the Bill of Lading which is countersigned
by the delivering carrier. A Carrier Inspection Report
should be filled out by the carrier upon arrival and a report
given to the Traffic Department. If damaged upon arrival,
file a claim immediately with the carrier. Any physical
damage to the unit after acceptance is not our
responsibility.
UNPACKING
Verify that all parts, components and accessories, and the
correct quantities of each have been received. If any items
are missing, report shortages to Mars Air Systems directly
to arrange for obtaining the missing items. Again, verify
quantities received against those on the Bill of Lading only,
as multiple shipments may be involved.
FIG. 1
INSTALLATION
Typical Mounting – Wall or Ceiling Mounted
Horizontally Above the Door Opening
1. Remove the air intake grille(s) and/or air intake filter(s)
    from the product and set aside. Gently remove all
    packaging materials, hardware and all other accessories
    from interior of unit prior to operating. Severe unit
    damage will occur if these items are not removed prior
    to operation.
2. Lay unit on its top with directional vanes pointing up
    and remove the Tek Screws from the wall mounting
    plate, just behind the discharge nozzle, and remove
    the mounting plate from the unit. (FIG. 1) Measure
    the mounting plate and center it over the opening.
    The air curtain shall be equal to or greater than the
    width of the opening.
FIG. 2
5. Mount the product such that the discharge is 1” above
    the opening and all obstacles. (FIG. 3)
Note: If the product is installed higher than the
recommended 1” above the opening, then it must be
moved 3/8” away from the wall for every 1” that it is
moved up. Any void between the wall and the product
must be sealed, by others, to optimize performance.
3. Install the mounting plate(s) above the opening.
    Multiple pre-punched 7/16” mounting holes are
    provided for your convenience. These holes must
    be utilized to secure the product to the wall. All
    hardware is field provided by others.
6. Use four (4) threaded rods for overhead installation
    or four (4) threaded bolts for wall installation. All
    hardware is field provided by others. (FIG. 3)
4. Align the tabs on the rear of the unit with the slots
    provided on the wall mounting plate (FIG. 2). The
    bottom flange on the unit must also drop in the
    bottom channel of the wall mounting plate. Replace
    the Tek Screws to secure the unit in place.
NOTE
For accessory installation, reference Accessory Installation
Supplement.
For heated products, reference Heated Products
Supplement.
START-UP
This product has been assembled and tested at the factory
prior to shipping. The following procedures should be
performed to assure its performance. Before continuing
with the start-up, it is important to recognize the safety
controls furnished with the unit.
WARNING
Prevent hazard of electrical shock. More than one
disconnect switch may be required to de-energize this
product.
WARNING
FIG. 3
The following items must all be completed by a qualified
installer and checked off when completed
7. If applicable, optional Adjustable Mounting Brackets,
    Side Extension Plates and Extended Wall Mounted
    Brackets are also available for installations over a
    Vertical Lift or Drum Roll-up type door. (Reference
    Accessory Installation Supplement)
8. If applicable, for tandem installation or products
    mounted side by side, allow no more than 6” between
    the two products. For overhead installation using
    threaded rods, the products may require a beam, by
    others, to span the full distance of the mounting length.
    (Reference Accessory Installation Supplement)
9. All wires must be connected internal of the unit and
    some knockouts are provided. However, it may be
    necessary to create your own knockout, as required.
10. The unit must be wired per NEC and local codes.
A. Re-check that the product has been installed properly
     and is level and secure.
B. Check all terminal screws are tight and field wiring is
     connected in accordance to National Electrical Code
     and wired per the enclosed wiring diagram. For electric
     heated models, ensure that the coils are secured and not
     touching each other on any metal surface.
C. Verify proper voltage prior to powering the product.
     (See product label for reference).
D. Check all field wired components “if supplied” are
     wired correctly.
E. Check that the inlet air supply and the discharge air
     supply are free of obstructions.
F. Check that all air filter(s) and/or air intake grille(s) are
     in place and installed properly, as originally shipped.
G. Verify voltage to the product once more and turn
      power on.
H. Regardless of whether the product is mounted on the
     inside or outside of the door opening, set the air
     directional vanes in the discharge nozzle slightly
     outward to approximately 10-15° towards the outside,
     or the wind load. (FIG. 5).
Electrical Field Wiring
The unit and any optional accessories must be wired with
the proper voltage to the junction box per the wiring
diagram. (FIG. 4, unheated products only)
FIG. 5
I. For products with control panels, turn the HOA
   (Hand-On-Auto) selector switch to “On” position and
   open the door to energize the product. For products
   without a control panel or an On/Off switch, open the
   door to energize the product.
FIG. 4
MAINTENANCE J. If heated products are installed, reference Heated
   Products Supplement.
K. For three phase units, verify direction of rotation of
     blower wheels (note direction arrows on the blower
     wheel housing). Correct if needed by changing polarity
     of three phase power.
L. VERY IMPORTANT Using a clamp meter, measure
     the amperage to each motor and ensure that they do
     not exceed the amperage listed on the product label.
M. If applicable, adjust the air intake grille(s) such that the
      output air stream reaches the floor. For temperature
      control and environmental separation applications, the
      air stream should reach the floor with sufficient strength
      to create an air seal around the door opening without
      creating turbulent mixing of the inside and outside air.
      For flying insect control applications, the air stream
      should reach the floor with maximum strength. If after
      proper installation and adjustment, the product appears
      to be producing too little or too much air for the
      application, contact the manufacturer.
WARNING
To reduce the risk of fire, electrical shock or injury to
persons, observe the following:
A. Maintenance is to be performed only by qualified
     personnel who are familiar with local codes and
     regulations and are experienced with this type of
     product.
B. Before servicing or cleaning the product switch power
    off at service panel and lock service panel to prevent
    power from being switched “ON” accidentally.
Routine maintenance is required to keep this product
operating at its peak performance and efficiency. Over
time, the housing, air intake grille, air intake filter, blower
wheels and motor(s) will accumulate a build up of dust,
debris and other residue. It is imperative to keep these
components clean. Failure to do so will not only lower
operational efficiency and performance, but also reduce
the useful life of the product. The time between cleanings
depends on the application, location and daily hours of use.
On average, under normal use conditions, the product
should require a thorough cleaning once every
six (6) months.
To clean the product, perform the following: 4. Thoroughly clean the air intake grille(s)/filter(s).
5. Thoroughly wipe down the motor, blower wheels
     and blower wheel housings. Be careful not to spray
     the motor with a water hose.
6. The motor(s) require no additional lubrication. They
     are permanently lubricated and feature double sealed
     ball bearings.
7. To re-install the product, reverse the procedures above.
8. Reconnect the power source to the product.
9. If you have any questions regarding the maintenance
    of the product, contact the manufacturer.
1. Verify the product has been disconnected from the
     power source.
2. Use a damp cloth and either a warm mild soapy water
     solution or bio-degradable degreaser, to wipe down the
     exterior components of the housing.
3. To access the interior of the product, remove the air
     intake grille(s) and/or air intake filter(s). This is
     accomplished by removing the screws on the face of
     the air intake grille(s)/filter(s).

lopro air curtain

Lopro Drive Up Window Air Curtain, Drive-thru Window Air Curtain, Service Window Air Curtain, Air Curtain,
Air Curtain Door, Air Curtain Heater, Air Curtains, Air Doors, Door Air Curtains, Heat Curtains, Mars Air Curtain,
Mars Air Door, Warm Air Curtains, and Insect Barrier from your source for material handling equipment.
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