Document No: LP-IOM
Please read and save these instructions. Read carefully before attempting to assemble, install, operate or
with these instructions could result in personal injury and/or property damage. Retain these instructions for future
To reduce the risk of fire, electric shock or injury to
Precaution should be taken in explosive atmospheres.
Date: 0810
LOW PROFILE (LPV) VARIABLE SPEED AND LOW PROFILE (LPN)
NSF COMMERCIAL SERIES
Installation, Operation and Maintenance Manual
maintai n the product described. Protect yourself and others by observing all safety information. Failure to c ompl y
reference.
OVERVIEW
Mars Air Curtains
are designed to
cover door
openings, providing
both temperature
control/environment
al separation and
flying i nsect 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
coming in contact with moving parts, as well as other
potential hazards.
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)
WARNING
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.
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
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.
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.
personnel should
have a clear
understanding of
these instructions
and should be
aware of general
precautions.
installation can
result in electric
shock, possible
injury due to
Installing
safety
Improper
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 the responsibility of
Mars Air Systems.
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, a s mul ti ple s hipm ent s may b e
involved.
INSTALLATION
Typical Mounting – Wall or Ceiling Mounted
Horizontally Above the Do or Opening
1. Remove the air intake gr ille(s) and/or air intake f ilter(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 f rom the unit. (FIG. 1) Measur e the
mounting plate and center it over the opening. The air
curtain shall be equal to or greater than the width of
the opening.
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 t he product to the wa ll. All hardwar e
is field provided by others.
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 m ust also drop in the bottom
channel
Screws to secure the unit in place.
Note: If the holes provid ed on the bottom of the unit and
the bottom of the wall m ounting plate do not align, rem ove
the unit and re-insta ll. The holes on the bottom channel of
the wall mounted plate must be on the bottom.
FIG. 1
FIG. 2
5. Mount the product such that the disc harge 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 betwe en the wall and the product
must be sealed, by others, to optimize performance.
6. Use four (4) threaded rods f or overhead installation or
four (4) threaded bolts for wall installation. All
hardware is field provided by others. (FIG. 3)
of the wall mounting plate. Replace the Tek