FS Industries ENGINEERED STEEL PRODUCTS
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PO Box 72659 Providence, RI 02907
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UNHEATED AIR CURTAINS
MODEL C - CH - CHS (UNHEATED)
unheated air curtains

* CLIMATE CONTROL

* INSECT CONTROL

* ENERGY CONTROL

Shown
72CH-2
ADVANTAGES
• Keeps insects, dust, dirt, and fumes out.
• For use over freezer and cooler doors to reduce humidity
   and prevent loss of cold air.
• Doors may be left open eliminating the nuisance of
   opening and closing automatic and manual doors.
• Reduce air conditioning costs.
• Open doors conductive to attracting customers.
• Less risk of accidents yet speeds up customer or
   personnel traffic.
• Keep premises clean and sanitary.
HIGHEST QUALITY * SUPERIOR DESIGN
• Easiest to install and maintain
• 5 Year guarantee on all parts (Unheated models)
• Immediate shipment
• Over 400,000 units installed
• Made in the U.S.A. for 35 year.
C MODELS UNHEATED
DESIGNED TO MOUNT OVER CUSTOMER ENTRANCES

• Create a curtain of air undetected by customers walking through the doorway.
• Continually act as barrier against outside climate to maintain interior conditioned temperature.

HOUSING DIMENSIONS: Height 14 3/4" - Depth 12 3/4"
Model Number Designates LENGTH of unit in inches.
Note: C/CH/CHS models supplied with adjustable air velocity and directional controls
PRICES FOR THE C MODELS UNHEATED
Model
No.
1750 RPM
Motor H.P.
AMPS Single Phase
Max FPM
at Nozzle
Max CFM
at Nozzle
Wgt.
Lbs.
Length
Price
115V
230V
36C 1/2 5.1 2.5 2275 1700 50 3' $753.50
38C 1/2 5.1 2.5 2150 1700 52 3'-2" $759.00
42C 1/2 5.1 2.5 1950 1700 55 3'-6" $764.50
48C 1/2 5.1 2.5 1700 1700 60 4' $781.00
60C 1/2 5.1 2.5 2040 2550 65 5' $847.00
60C-2 Two 1/2 10.2 5.1 2720 3400 95 5' $1,369.50
72C-2 Two 1/2 10.2 5.1 2275 3400 105 6' $1,468.50
96C-2 Two 1/2 10.2 5.1 1700 3400 130 8' $1,644.50
Sound Level 56 Decibels "A" Scale Measured indoors 10 ft. from nozzle, 2 motors 59 dBA.
CH/CHS Models - Receiving/service doors recommended for above normal insect conditions.
CUSTOMER ENTRANCE DOORS
C Models - Unheated Air Curtains
Purpose: PREVENT LOSS OF AIR CONDITIONING.
BARRIER TO DUST, INSECTS AND FUMES.
RECEIVING/SERVICE DOORS
CH AND CHS Models - Unheated Air Curtains
Purpose: ABOVE NORMAL INSECT CONDITIONS.
BARRIER TO DUST AND FUMES
Door Widths
Up To
Door Height
Up To
Use Model
Number
3 ft. 10 ft. 36C
3 1/2 ft. 10 ft. 42C
4 ft. 10 ft. 48C
5 ft. 7 ft. 60C
5 ft. 10 ft. 60C-2
6 ft. 10 ft. 72C
7 ft. 10 ft. Two 42C
8 ft. 10 ft. 96C
12 ft. 10 ft. Two 72C
15 ft. 7 ft. Three 60C
Door Widths
Up To
Door Heights
Up To
Use Model
Number
3 ft. 7 ft. 36CH
3 1/2 ft. 7 ft. 42CH
3 1/2 ft. 10 ft. 42CHS
4 ft. 7 ft. 48C
4 ft. 10 ft. 48CHS
5 ft. 10 ft. 60CH-2
5 ft. 8 ft. 60CHS
6 ft. 7 ft. 72CH
7 ft. 7 ft. Two 42CH
8 ft. 10 ft. 96CHS
10 ft. 8 ft. Two 60CHS
12 ft. 10 ft. 48CHS & 96CHS
OPTIONAL: Micro Switch for automatic on/off operation.
When door is opened, air curtain will start automatically
and stop when closed. Three phase motors require magnetic
controls when installing micro switch. All models have one
second motor start to full capacity operation.
Two speed 1/2 H.P. motor 115V or 230V 1 phase
available upon request.
For unusual or problem door opening consult us for
suggestions regarding most practical and efficient type
of installation.
HOUSING COLORS: WHITE is standard production
color. GOLD, GRAY, BEIGE, DARK BRONZE and
any other decorator colors available upon request at a
nominal charge.

CH/CHS MODELS UNHEATED
RECOMMENDED FOR ABOVE NORMAL INSECT CONDITIONS.
Receiving and service entrance doors-markets-restaurants-hospitals-food processing plants-schools, etc.
• Inside or outside installation equally effective.
• Characteristics: Produce greater velocity of air with slightly higher sound level as compared to C models.
HOUSING DIMENSIONS: Height 14 3/4" - Depth 12 3/4"
Units with 1 H.P. motor: Height 18" - Depth 15"
PRICES FOR THE CH/CHS MODELS UNHEATED
Model
No.
1750 RPM
Motor H.P.
AMPS Single Phase Max FPM
at Nozzle
Max CFM
at Nozzle
Wgt.
Lbs.
Length Price
115V 230V
36CH 1/2 5.1 2.5 3400 2550 50 3' $753.50
38CH 1/2 5.1 2.5 3225 2550 52 3'-2" $759.00
42CH 1/2 5.1 2.5 2925 2550 55 3'-6" $764.50
48CH 1/2 5.1 2.5 2550 2550 60 4' $781.00
60CH-2 Two 1/2 10.2 5.1 4080 5100 95 5' $1,369.50
72CH-2 Two 1/2 10.2 5.1 3400 5100 105 6' $1,468.50
96CH-2* Two 1/2 10.2 5.1 2550 5100 130 8' $1,644.50
42CHS 1 HP 16 8 4600 4000 80 3'-6" $1,023.00
48CHS 1 HP 16 8 4000 4000 85 4' $1,094.50
60CHS 1 HP 16 8 3200 4000 90 5' $1,116.50
96CHS-2 Two 1 HP 32 16 4000 8000 160 8' $2,249.50
Sound Level: "A" Scale Measure indoors 10 ft. from air outlet nozzle.
CH models with 1/2 HP motors are 63 dBA. Two motor 65 dBA.
CHS models with 1 HP motors are 69 dBA. Two motors 72 dBA.
PURPOSE: PREVENT LOSS OF REFRIGERATED AIR, REDUCE HUMIDITY AND ICE BUILD UP
FREEZERS: For temperatures of -20° to +25° F
COOLERS: For temperatures of +25° to +60° F
Door Widths
Up To
Door Heights
Up To
Use Model
Number
3 ft. 8 ft. 36CH
3 1/2 ft. 8 ft. 42CH
4 ft. 8 ft. 48CH
5 ft. 10 ft. 60C-2
5 ft. 10 ft. 60CH-2
6 ft. 8 ft. 72CH
7 ft. 8 ft. Two 42CH
8 ft. 8 ft. 96CH
10 ft. 10 ft. Two 60C-2
10 ft. 10 ft. Two 60CH-2
Door Widths
Up To
Door Heights
Up To
Use Model
Number
3 ft. 8 ft. 36C
3 1/2 ft. 8 ft. 42C
4 ft. 8 ft. 48C
5 ft. 10 ft. 60C-2
5 ft. 10 ft. 60CH-2
6 ft. 8 ft. 72C
7 ft. 8 ft. Two 42C
8 ft. 8 ft. 96C
10 ft. 10 ft. Two 60C-2
10 ft. 10 ft. Two 60CH-2
OPTIONAL: Micro Switch for automatic on/off operation. When door is opened, air curtain will start automatically
and stop when closed. Three phase motors require magnetic controls when installing micro switch. All models have
one second motor start to full capacity operation.
HOUSING COLORS: WHITE is standard production color. GOLD, GRAY, BEIGE, DARK BRONZE and
any other decorator colors available upon request at a nominal charge.

Optional Modifications for Unheated Series

Note: Voltage and phase must be specified when ordering.
Single phase: 115, 208/230, 277 Volt 60Hz, 220 Volt 50HZ
Three Phase: 115, 208/230, 460, 575 Volt 60Hz, 380 Volt 50Hz

Description Price
I. Motors
For Explosion Proof, wash down or other special type Consult us
II. Nema rated Motor control panels for General Purpose (add to standard cost)
NEMA 1 cabinet is standard Std.
MCP-1 One Motor Control Panel $451
MCP-2 Two Motor Control Panel $842
MCP-3 Three Motor Control Panel $1,012
MCP-4 Four Motor Control Panel $1,199
MCP-5 Five Motor Control Panel $1,529
MCP-6 Six Motor Control Panel $1,826
NEMA Control Panels
NEMA 13 (oil tight), 3 (dust-tight/rain-tight), 3 R (rain-proof) $220
NEMA 4 (water tight) $209
NEMA 4X (water tight/corrosion resistant) $275
NEMA 12 (industrial no conduit opening or knockouts) $209
All Others Consult us
For Panels with non-fused disconnect $330
For Panels with fused disconnect up to 30 AMPS (refer to corresponding submittal) $688
For Panels with fused disconnect from 30 AMPS-60 AMPS (refer to corresponding submittal) $825
Factory Mounted Panels $248
IV. Switches & Controls
TZ6112 Door Limit Switch (Combi-Style - both a roller and plunger all in one) 20 AMP Shipped Loose $66
Adjustable Time Delay 1 - 17 minutes - Used for high traffic areas (Panel Required) $193
Magnetic Switch with control box up to 1 HP (RIB10BDC 115v) (RIB02BDC 208/240v) $143
Magnetic Switch & Time Delay with control box up to 1 HP (RIBD01BDC-010 115v) (RIBD02BDC-010 208/230v) $237
3 Speed Switch Off/Lo/Med/Hi 15 amp (1/2 HP Single Phase ONLY) remote NEMA 1 $55
2 Speed Switch Hi/Lo (on/on) 15 amp (up to 1 HP Single Phase) remote NEMA 1 $55
2 Speed Switch Hi/Lo (on/off/on) 25 amp (up to 1 HP Single Phase) remote NEMA 1 $94
2 Speed (1 HP Three Phase only) Consult us
Overhead Mounting Bracket (For plastic units ONLY) $182/set
VII. Filters
Aluminum Mesh (1/4") $8.80 per linear foot
SPECIFIC NOTE:
1. Voltage availability 115, 208, 230/1/60 & 208, 230, 460, 575/3/60 (50/60 Hz) & 380/3/50 remaining product line)
2. Additional Charge for 1/2 HP Three Phase Motors, 277v and 575v motors ……………………………….. Add $82.50 per Motor
3. All 3 Phase Motors or Single Phase combined motors greater than 1 HP or over 250 VAC or greater then 20 Amps
require a motor control panel whenever a door limit switch is used to start and stop the air curtain. A door limit switch
may be used to direct
4. All Electric Heated Units include a control panel (on right-handside of unit) and remote 24 volt thermostat with
"Heat/off/fan only" switch. For remote control panels ……………………….. Add
$165

C COMMERCIAL UNHEATED MODELS
unheated air curtains drawing
unheated air curtains drawing

CH - CHS COMMERCIAL HIGH VELOCITY UNHEATED MODELS
unheated air curtains drawing
unheated air curtains drawing

Unheated Air Curtains, 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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