FS Industries ENGINEERED STEEL PRODUCTS
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COMMERCIAL
Low Profile 8 Air Curtains

(AMBIENT, UNHEATED)
Designed to meet the functional needs of the
application and to integrate into the space.
IDEAL APPLICATIONS:
Service / Employee Doors
Main Entrances
Concessions / Drive-Thrus
Shopping Carts
Walk-in Coolers
Low profile air curtain with white or black
powder coated cabinet.
Custom Colors & Stainless Steel Available
Call us for a quote.
For mounting heights up to 8' (environmental separation) and 7' (insect control)
Standard Construction Installation & Mounting
• 8 ½” high x 13 ½” deep
• 1/5 hp two speed motor(s)
• Factory installed fan speed switch
• White or black powder coated exterior
• Wall & Top Mounting
Simple to install, operate & maintain
(Click here for Installation & Maintenance Instructions)
• Single lengths up to 10’
• No Assembly Required
• Wall plate included
• 1/4” threaded inserts for top mounting
• Bottom access panel for easy access to internal
   components
• Parts Warranty:
Ambient - Five years
Control Packages:
• Deluxe
Building Automation & Door Controller versions available.


Air curtains provide environmental separation at
openings by reducing the infiltration of unconditioned
air, fumes, dust, and humidity. At exterior openings,
they can resist winds up to 8 MPH (13 KPH) and are
generally mounted inside the building. During cold
seasons warm air that has risen towards ceiling is re-
circulated; they can also be used at interior openings
such as doors to coolers or clean rooms.
Optimum protection is provided when units are
mounted flush to the wall and as close to top of
door opening as possible. To ensure peak per-
formance keep air stream free of obstructions.
Air curtains may not be fully effective where negative
air pressure exists on one side of door.
Series CLC08 model air curtains have 1/5 HP motors.
They can be wall mounted or suspended from the
ceiling.

COMMERCIAL LOW PROFILE 8 Ambient (Unheated) Air Curtain Data Sheet
MODEL 
Nozzle
Width (in) 
Max Vel.
at Nozzle
(fpm) 
Avg.
Outlet
Vel. (fpm) 
Air
Volume
(cfm) 
Outlet Vel.
Uniformity 
Power
Rating
(kW)
 Motor(s)
@ hp 
Net Wt.
(lbs) 
CLC08-1042A 
40.62
3,388
1,755
1,176
93%
0.32
1 @ 1/5 
45
CLC08-1048A 
46.62
3,226
1,742
1,340
94%
0.32
1 @ 1/5 
48
CLC08-1060A 
58.13
2,940
1,702
1,632
95%
0.32
1 @ 1/5 
56
CLC08-1072A 
71.37
2,870
1,707
2,010
95%
0.32
1 @ 1/5 
64
CLC08-2084A 
83.5
3,388
1,707
2,351
93%
0.64
2 @ 1/5 
90
CLC08-2096A 
95.5
3,226
1,701
2,679
94%
0.64
2 @ 1/5 
98
CLC08-2108A 
107
3,226
1,684
2,971
94%
0.64
2 @ 1/5 
105
CLC08-2120A 
118.5
2,940
1,670
3,263
95%
0.64
2 @ 1/5 
113
NOTE:
1. Operation at 50 Hz will generate approximately a 17% reduction in performance
2. Consult us for vertically mounted units.

COMMERCIAL LOW PROFILE 8 Ambient (Unheated) Air Curtain
Electrical Performance Sheet
MODEL
#
Ckts
120/1/60 (voltage code Z)
MOTOR AMP DRAW = 3.4 ea.
208/1/60 (voltage code B)
MOTOR AMP DRAW = 1.7 ea.
240/1/60 (voltage code B)
MOTOR AMP DRAW = 1.7 ea.
Amps per
Circuit
Breaker
Rating per
Circuit
Amps
per
Circuit
Breaker
Rating per
Circuit
Amps
per
Circuit
Breaker
Rating per
Circuit
CLC08-1042A 
1
3.4
15
1.7
15
1.7
15
CLC08-1048A 
CLC08-1060A 
CLC08-1072A 
CLC08-2084A 
1
6.8
15
3.4
15
3.4
15
CLC08-2096A 
CLC08-2108A 
CLC08-2120A 
480/3/60 (voltage code Z)
MOTOR AMP DRAW = 0.9 each
MODEL
# Ckts
Amps per Circuit
Breaker Rating per Circuit
CLC08-1036A 
1
0.9
15
CLC08-1042A 
CLC08-1048A 
CLC08-1060A 
CLC08-1072A 
CLC08-2084A 
1
1.8
15
CLC08-2096A 
CLC08-2108A 
CLC08-2120A 

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Specify voltage and color.
White is standard.
PRICING FOR COMMERCIAL LOW PROFILE (UNHEATED) AIR CURTAIN
Model No.
120/208/240/1/60
Price
Model No.
480/3/60
Price
$1,179
$1,798
$1,200
$1,819
$1,279
$1,833
$1,359
$1,931
$1,492
$2,095
$2,519
$3,009
$2,549
$3,101
$2,665
$3,225
$2,669
$3,260
Model No.
Description
Price
Deluxe Low Voltage Control (includes time delay relay,
24 volt control transfomer, and magentic reed door switch) 
$398

CLC08 AMBIENT SYSTEM
NOTE:
1. Air curtain must be installed so air stream is not
    obstructed when deflected 20° to either side of C.
2. Electrical connections to be flexible.
3. Field verify dimensions.
4. Anchors to supporting structure by others.
5. Adequacy of supporting structure is to be verified
   by a professional structural engineer.
6. Letter "A" in model number designates ambient unit.
7. Dimensions in inches [centimeters].

top of page
INSTALLATION & MAINTENANCE INSTRUCTIONS
SANITATION CERTIFIED
Low Profile 7
AIR CURTAIN SERIES SLC07
COMMERCIAL
Low Profile 8
AIR CURTAIN SERIES CLC08
TABLE OF CONTENTS
I. UNCRATING
II. MOUNTING INSTRUCTIONS
III. WALL MOUNTING
IV. SUSPENDED MOUNTING
V. ELECTRICAL CONNECTIONS
VI. MECHANICAL CONNECTIONS
VII. AIRFLOW ADJUSTMENTS
VIII. MAINTENANCE AND CLEANING
IX. SERVICE

WARNING: TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK OR INJURY TO PERSONS,
OBSERVE THE FOLLOWING:
A. Read all instructions before installing or using this air curtain.
B. Use this unit only in the manner intended by the manufacturer and described in this manual. Any other use not recommended
     by the manufacturer may cause fire, electric shock, or injury to persons. If you have any questions, contact the manufacturer.
C. Before servicing or cleaning unit, switch power off at service panel and lock the service disconnecting means to prevent power
     from being switched on accidentally. When the service disconnecting means cannot be locked, securely fasten a prominent
     warning device, such as a tag, to the service panel.
D. Installation work and electrical wiring must be done by qualified person(s) in accordance with all applicable national and local
      codes having jurisdiction, including fire-rated construction. See below, ELECTRICAL CONNECTIONS (NEC Code ANSI/NFPA
      No. 70).
E. When cutting or drilling into wall or ceiling, do not damage electrical wiring and other hidden utilities.
F. To reduce the risk of fire, do not store or use gasoline or other flammable vapors and liquids in the vicinity of the air curtain.
G. This air curtain is hot when in use. To avoid burns, do not let bare skin touch hot surfaces. Keep combustible materials, such
     as furniture, pillows, bedding, papers, clothes, etc. and curtains at least 1 inch from the top, back, front, sides and at least
     6 feet from the discharge of the air curtain.
H. Extreme caution is necessary when any air curtain is used by or near children or invalids, and whenever the heater is left
     operating unattended.
I. Do not operate any air curtain after it malfunctions. Disconnect power at the service panel and have the air curtain inspected
    by a reputable electrician before reusing.
J. To disconnect the air curtain, turn controls to “off”, and turn off power to the air curtain circuit at main disconnect panel.
K. Do not insert or allow foreign objects to enter any ventilation or discharge opening as this may cause an electric shock or fire,
     or damage the air curtain.
L. To prevent a possible fire, do not block the air intake or discharge of the air curtain in any manner.
M. The air curtain has hot and arcing or sparking parts inside. Do not use it in areas where gasoline, paint, or flammable vapors
      or liquids are used or stored.
N. This heater may include an audible or visual alarm to warn that parts of the heater are getting excessively hot. If the alarm
      sounds (or illuminates), immediately turn the heater off and inspect for any objects on or adjacent to the heater that may have
      blocked the airflow or otherwise caused high temperatures to have occurred.
DO NOT OPERATE THE HEATER WITH THE ALARM SOUNDING (OR ILLUMINATING).

I. UNCRATING THE AIR CURTAIN UNIT
Carefully examine the carton(s) for damage before
opening. If the carton is damaged, immediately notify
the shipping company. If the unit(s) were shipped on
wooden skids, remove protective wood and banding
straps securing the carton(s) to the skid. Open the
carton(s) and remove all protective packaging. Re-
move the plastic cover housing by lifting vertically.
Remove and discard four (4) nuts and washers
holding the motor/ blower section to the bottom
of the carton. Remove motor/blower section from
the carton.
MODEL 
Net Weight (lbs) 
SLC07
Ambient 
CLC08
Ambient 
CLC08
Electric 
CLC08
St/Hw 
SLC07-1036,
CLC08-1036 
35
41
48
67
SLC07-1042,
CLC08-1042 
38
45
53
74
SLC07-1048,
CLC08-1048 
42
48
58
80
SLC07-1060,
CLC08-1060 
49
56
67
94
SLC07-1072,
CLC08-1072 
56
64
77
107
SLC07-2084,
CLC08-2084 
76
90
105
138
SLC07-2096,
CLC08-2096 
84
98
115
152
SLC07-2108,
CLC08-2108 
91
105
123
164
SLC07-2120,
CLC08-2120 
98
113
137
177
CAUTION: ONLY LIFT THE UNIT BY
GRASPING INLET RINGS ON THE BLOWER
HOUSING WITHOUT TOUCHING BLOWER
WHEELS.
Immediately verify that the electrical rating nameplate
located on the cover matches electrical power supply
available. Retain the shipping carton(s) until the unit(s)
are installed and properly operating. ACCESSORIES:
If the unit(s) were ordered with optional electrical
accessories (door switch, control panel, etc.), the
accessories may be found in the carton containing the
unit or in a separate carton(s) accompanying the unit(s).
Check all of the cartons/skids for accessories before
discarding.
TABLE 1 - Weight Chart
II. MOUNTING INSTRUCTIONS (General) Before mounting the unit, check the supporting structure
to verify that it has sufficient load-carrying capacity to
support the weight of the unit(s). The mounting hardware
(supplied by others) should be capable of supporting a
minimum of three (3) times the weight of the unit.
See TABLE 1.
The Certified Low Profile 7/Commercial Low Profile 8
air curtain is designed to be an ef.fective barrier against
cold drafts in the winter and hot air in the summer, flying
insects and airborne contaminants. To achieve optimum
protection, the unit should be mounted on the inside of
the building, flush to the wall and as close to the top of
the door opening as possible. To ensure peak per-
formance, keep air stream free of obstructions.
A. When determining the mounting location for the
unit(s), make sure that nothing interferes with the
curtain of air developed when the discharge vanes
are directed from 0° to 20° toward the door
opening. If the air stream strikes any obstruction
(the top edge of the doorway, a door opening
device, etc.), the ef.fectiveness of the unit will be
greatly reduced. See FIGURE 1.
The air curtain will not perform properly if negative air
pressure exists in the building. Under these conditions,
a means for make-up air to the building must be provided
so that the air pressure on both sides of the opening is
in balance.
B. For optimum performance, the bottom of the unit
(discharge nozzle) should be no more than 1” above
the top of the door opening with the unit mounted
flush to the wall. If the unit must be mounted higher,
it must be spaced out from the wall 3/8” for every
inch the unit is above the door opening. Any void
between the air curtain and the wall should be
sealed along the full length of the unit.
See FIGURE 2.
C. Proceed to: Section III-WALL MOUNTING
or Section IV-SUSPENDED MOUNTING
III. WALL MOUNTING
A. Determine the location on the wall above the opening
where the air curtain will be mounted. This location
should center the unit over the opening and provide
suitable mounting support. It is recommended to use
at least four locations that correspond to the outer
corners of the wall mounting plate.
See FIGURE 3.
IV. SUSPENDED MOUNTING
(Ceiling Suspension)
B. Prepare the wall as necessary for the wall mounting
     plate anchors (by others).
A. When the unit is top mounted, the wall mounting
plate is designed to store on the back of unit for
future use.
C. Drill holes in the wall mounting plate to correspond
     to the locations on the wall.
B. Four (4) factory installed #10-24 threaded inserts
are located on the top of the unit for top suspension
mounting. See FIGURE 5.
D. Anchor the wall mounting plate over the door
     opening with the mounting tabs pointing upwards.
C. Determine the exact mounting location of the air
     curtain.
E. Raise the unit over the door (air nozzle facing
down) and onto the mounting plate. Tilt the unit
upward, matching the holes in the frame with the
tabs on the mounting plate.
See FIGURE 4.
D. The top of the unit is provided with an electrical
knockout for power connection. Remove the wiring
tray compartment cover. Remove the knockout and
attach necessary electrical hardware. Save the wiring
diagram found inside of wiring tray.
F. Lower the unit into place allowing it to rest on the
mounting plate. The unit flange should rest above the
mounting plate flange.
E. Attach #10-24 threaded rods, or other suitable
     hardware to the top mounted threaded inserts
G. After the unit is securely seated to the mounting plate,
     install the locking screws along the bottom flange.
     See FIGURE 4.
F. Proceed to Section V-ELECTRICAL
     CONNECTIONS
H. Proceed to Section V-ELECTRICAL
     CONNECTIONS
V. ELECTRICAL CONNECTIONS
All electrical wiring and connections MUST be per-
formed by qualified personnel in accordance with the
National Electrical Code ANSI/NFPA No. 70 (latest
edition) or, in Canada, the Canadian Electrical Code,
Part 1-C.S.A. Standard C22.1 and local codes and
regulations.
A. Check the electrical rating nameplate on the top
of the air curtain for supply voltage and current
requirements. A separate line voltage supply with
a suitable branch circuit protection device should
be run directly from the main electrical panel to the
air curtain. A disconnect switch for each branch
circuit is a required part of this installation.
B. All field wiring must be copper with a minimum
insulation of 60° C within approved conduit. If any
of the wire supplied with the air curtain must be
replaced, it must be replaced with copper wiring
with a minimum insulation of 90° C.
C. Remove the wiring tray cover; on air curtains that
are comprised of modules, remove the wiring tray
cover that is located closest to the electrical rating
nameplate (if it has not already been done).
See FIGURE 6.
D. The top of the air curtain has two knockouts on
each side of the air curtain, allowing for a left hand
or right hand power connection. Remove the
required knockout if it has not already been done
and connect the power supply to the air curtain.
Connect all supply and control circuit wires
according to the wiring diagram provided.
VII. OPERATING INSTRUCTIONS
A. GENERAL OPERATION
NOTE: For Electrically Heated air curtain(s) provided
with the optional remote thermostat: mount and wire
the thermostat according to instructions and wiring
diagram.
1. The air curtain can be directly operated by using
the rocker switches located on the bottom of the
unit. The air curtain may also be automatically
operated by a combination of the rocker switches
and a remote door switch and/or thermostat
(See the wiring diagram).
VI. MECHANICAL CONNECTIONS
A. ELECTRICALLY HEATED MODELS
The heater circuit may be controlled by a combination
of a remote thermostat and the fan/off/fan & heat
rocker switch. Overheating protection is provided
by auto reset thermal cutouts built into the heater coil
assembly (see the wiring diagram, located in
wiring tray).
2. Rocker switch positions are labeled on the air
    curtain cabinet.
3. Unheated units have one rocker switch that turns
    the unit on or off. The other rocker switch selects
    fan speed.
4. Heated units have one rocker switch that
determines whether the unit is off, energizes only
the fans, or energizes both the fans and the
method of heat. The other rocker switch selects
fan speed.
B. AIR STREAM SPLIT ADJUSTMENT
1. With the air curtain operating and the door in its
full open position, check to see that nothing is
obstructing the air flow at the discharge nozzle
vanes.
2. Find the air stream split location. Hold a handker-
chief, by its corners, approximately 12” above
the floor. Gently move the handkerchief back
and forth in the doorway. Make sure the air is
being directed to both the inside and the outside.
The split location is indicated where the handker-
chief is vertical with minimal or no fluttering.
See FIGURE 8.
3. Adjust the discharge nozzle vanes so the split
location is approximately 3” outside the doorway.
This is accomplished by first de-energizing the unit.
Remove the cover housing, loosen the nozzle vane
locking screws and adjust vanes.
VIII. MAINTENANCE AND CLEANING
CAUTION: ELECTRIC SHOCK HAZARD Disconnect power
whenever servicing air curtain unit. More than one disconnect
may be required to de-energize air curtain unit.
Keep your air curtain operating at peak efficiency by
cleaning the blower wheels, motor(s) and intake grille.
Buildup of dust on the blower wheels can cause vi-
bration, noise and excessive wear on the motor
bearings. The frequency of cleaning will depend on
the environment in which the unit is operating.
Dirty, dusty or greasy environments could require a
cleaning schedule of once every two months. If the
environment is not that dirty, the unit(s) should be
scheduled for cleaning a minimum of once every
(6) months. To access the interior of the unit:
A. Disconnect the power to the unit.
B. Remove the intake grille by removing all phillips head
     screws around edge. See FIGURE 9.
C. Vacuum and scrape (if necessary) to remove the
buildup of dirt and debris. The motor(s) are per-
manently lubricated and require no additional lu-
brication. Reinstall the cover and intake grille.
D. Reconnect the power, and turn on after cleaning.
CAUTION: STAND CLEAR OF THE UNIT OR WEAR
SAFETY GOGGLES AS LOOSE DEBRIS MAY BE
PRESENT AND MAY EXIT THROUGH THE NOZZLE.
A. FAN AND MOTOR REMOVAL
IX. SERVICE
1. Disconnect power to the unit.
CAUTION: ELECTRIC SHOCK HAZARD
Disconnect power whenever servicing air curtain unit.
More than one disconnect may be required to de-
energize unit.
2. Remove the intake grille by removing all phillips
    head screws around edge. See FIGURE 9.
3. Unplug motor harness from motor and remove
     necessary wiring.
Any service performed on the Certified Low Profile7/Commercial Low Profile 8 air
curtain MUST be done by qualified personnel.
4. Using a 1/8” Allen wrench, loosen each set screw
    attaching fan(s) to motor.
5. While holding the motor in place, loosen and
     remove the motor clips.
Our air curtains require very little servicing. All parts
are easily accessible for periodic inspection and
maintenance. Units should be cleaned at least twice
a year. Your particular application (the amount of dirt
and dust in the air) and location of the unit(s) will
determine how often your unit(s) will need to be
cleaned and serviced. All motors have permanently
lubricated, sealed, sleeve bearings and require no
maintenance.
6. Slide the fans toward the motor so that the ball
    bearings on the outer fan shaft are exposed.
7. Slowly roll the motor out of the motor mount cradle
forward and down. The hubs of the fans are flexible
enough to allow the motor to move before the fans’
outer ball bearings pull out of the unit.

Low Profile 8 Ambient Air Curtains, Air Curtains, Commercial Air Curtain, Commercial Air Door, Unheated Air Curtains,
and Insect Barrier from your source for material handling equipment.
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