AIR SYSTEMS INTERNATIONAL CVF-8EXP Manual

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®
OPERATING INSTRUCTIONS AND REPLACEMENT PARTS
Models: CVF-8EXP / CVF-12EXP / SVF-10EXP
AIR SYSTEMS INTERNATIONAL, INC.
829 Juniper Crescent, Chesapeake, Va, 23320
Telephone [phone]
Toll Free 1-800-866-8100
Fax No. [phone]
www.airsystems.com.
e-mail: [email protected]
This manual must be read carefully and followed by all persons who have or will have the responsibility
for using or servicing this equipment. This equipment will perform as designed only if used according
to the instructions. Otherwise it could fail to perform as designed, causing personal injury or death.
WARNING

2
Air Systems’ manufactured equipment is warranted to the original user against defects in workmanship or materials under
normal use for one year from the date of purchase. Any part which is determined by Air Systems to be defective in mate-
rial or workmanship will be, as the exclusive remedy, repaired or replaced at Air Systems’ option. This warranty does not
apply to electrical systems or electronic components. Electrical parts are warranted, to the original user, for 90 days from
the date of sale. During the warranty period, electrical components will be repaired or replaced at Air Systems’ option.
NO OTHER WARRANTY, EXPRESSED OR IMPLIED, AS TO DESCRIPTION, QUALITY, MERCHANTABILITY, FIT-
NESS FOR A PARTICULAR PURPOSE, OR ANY OTHER MATTER IS GIVEN BY AIR SYSTEMS IN CONNECTION
HEREWITH. UNDER NO CIRCUMSTANCES SHALL THE SELLER BE LIABLE FOR LOSS OF PROFITS, ANY OTHER
DIRECT OR INDIRECT COSTS, EXPENSES, LOSSES, OR DAMAGES ARISING OUT OF DEFECTS IN, OR FAILURE
OF THE PRODUCT OR ANY PART THEREOF.
The purchaser shall be solely responsible for compliance with all applicable Federal, State and Local OSHA and/or MSHA
requirements. Although Air Systems International believes that its products, if operated and maintained as shipped from
the factory and in accordance with our “operations manual”, conform to OSHA and/or MSHA requirements, there are no
implied or expressed warranties of such compliance extending beyond the limited warranty described herein. Product
designs and speci cations are subject to change without notice. Rev. 2, 12/98
Air leaks are not covered under warranty except when they result from a defective system component, i.e. an on/off valve
or regulator or upon initial delivery due to poor workmanship. Air leaks due to poor delivery or damage will be covered un-
der delivery claims. Minor air leaks are part of routine service and maintenance and are the responsibility of the customer
just as are  lters and oil changes.
Warranty

Typical Saddle Vent® Setup Procedure
Place fan or blower a minimum of
5 ft. (1.6m) from manhole opening
Blower or Fan
90° Elbow
Manhole
Opening
Manhole Lid
Universal Mount
Saddle Vent®
Select a blower or fan based on environmental
conditions and the size of the con ned space.
For information or guidance in selecting the
proper set-up, please contact Customer Service.
STEP 1) Install 6 ft. (1.8m) duct on blower or fan
STEP 2) Install 90° elbow on top of Saddle Vent®
STEP 3) Install duct on bottom of Saddle Vent®
STEP 4) Install universal mount on Saddle Vent® and
set in place with manhole lid for support
STEP 5) Install duct from blower to 90° elbow
STEP 6) Turn on blower or fan
Warning: For explosive environments,
follow ANSI/API 2015 and 2016 procedures
The Saddle Vent® is a registered trademark of Air Systems International, Inc.
The Conductive Saddle Vent® is covered by U.S. and Foreign Patents
WARNING: HAZARDOUS LOCATION OPERATIONS
Use an explosion-proof or intrinsically safe blower or fan,
conductive ducting, and The Conductive Saddle Vent® System.
Attach all grounding wires and assure a complete circuit to the
blower or fan in order to remove static charges.
The Saddle Vent® Ventilation System
3

Motor Type
Models: CVF-8EXP and SVF-10EXP
115 VAC, 60 Hz, 1/3 HP, 2.2 amps, .25 kw, Temp. Code T-4
Class I & II, Group C,D,E,F,G
Motor Type
Model: CVF-12EXP
115 VAC, 60 Hz, 1.5 HP, 9.6 amps, 1.1 kw, Temp. Code T-4
Class I & II, Group C,D,E,F,G
Outlet Size
Models: CVF-8EXP and SVF-10EXP
8” Diameter (203 mm)
(SVF-10EXP will accommodate 8” duct as well as 10” duct)
Outlet Size
Model: CVF-12EXP 12” Diameter (305 mm)
CVF-8EXP
Flow Rates
Free Air: 987 CFM (1677 cm/hr)
15 ft. of duct with one 90° bend: 730 CFM (1246 cm/hr)
15 ft. of duct with (2) 90° bends: 648 CFM (1101 cm/hr)
SVF-10EXP
Flow Rates
Free Air: 1390 CFM (2362 cm/hr)
15 ft. of duct with one 90° bend: 870 CFM (1478 cm/hr)
15 ft. of duct with two 90° bends 858 CFM (1458 cm/hr)
CVF-12EXP
Free Air: 2400 CFM (4078 cm/hr)
15 ft. of duct with one 90° bend: 2334 CFM (3967 cm/hr)
15 ft. of duct with two 90° bends 1598 CFM (2715 cm/hr)
4
-Approved for outdoor use.
-Thermally protected.
-Use only a plug certied and/or listed as explosion-proof for both Canada and the U.S., type suitable for the area of clas–
sication that it is used in.
-Caution! To reduce the risk of electric shock, connect only to an outlet provided with a ground fault interrupting device.
Important - Please Read!
Specications
All ventilation procedures should comply with federal, state, and local regulations. Air quality should be tested prior to
ventilating a con ned space. A purge chart is provided on our website, www.airsystems.com, help assist in estimating the
approximate time needed to ventilate con ned spaces. Air quality should be tested continuously during con ned space
occupancy to ensure a stable atmosphere and worker safety because atmospheric conditions can change rapidly. Addi-
tional procedures and recommendations are available from federal, state, and local agencies. DO NOT operate these fan
unit in a vertical position or with the  ange or guards removed.
SAFETY PRECAUTIONS
READ AND FOLLOW ALL INSTRUCTIONS BELOW
WARNING
Fan and blower models with the “EX” or “X” designation are the
only models approved for use in hazardous locations. These
models are NOT approved for use in mines.

5
STEP 2)
Place fan in a clean fresh air environment. Note: Inspect fan for damaged or worn parts. Inspect all ducting and couplings
for possible air leaks prior to fan operation.
Note: Air quality of the conned space should be tested prior to ventilation. If air quality of the conned space is unaccept-
able, consult a trained professional.
STEP 3)
Install duct cuff to exhaust ange and tighten cinch strap. Keep bends and kinks in ducting to a minimum to maximize air
ow.
NOTE: The use of conductive ducting is recommended when operating in potentially explosive environments. Assure that
the fan is properly grounded before operating and the ground wire in the conductive ducting is attached to the fan and
Saddle Vent®, if used.
STEP 4)
The “ON/OFF” switch is integrated in the motor. Pull the “ON/OFF” switch knob outward to turn the fan “ON”. The unit is
now operational. To turn the fan “OFF,” push the switch knob in toward the fan housing.
PROBLEM POSSIBLE CAUSE SOLUTION
Excessive vibration
Air intake blocked Turn fan off and clear debris from intake.
Possible internal damage
Turn off and inspect fan blades, shaft, and housing
for debris, damage, and loose screws.
Note: Never run fan for extended periods without
installing duct on the exhaust  ange.
Possible external damage Turn fan off and inspect for loose guards,
broken welds, etc.
Circuit breaker trips Voltage output insuf cient Test outlet with volt meter.
Automatic thermal over-
load in motor trips
Extension cord is not of suf cient
gauge
Eliminate extension cord and restart or
obtain extension cord of suf cient gauge
STEP 1)
Explosion-proof models should be tted with an approved explosion-proof plug to meet hazardous locations specications.
See page 13 for ordering information.
Set-Up and Operation:
CAUTION
If explosive or volatile vapors are suspected or present, test the fan
for proper grounding using an ohm meter. All static electricity must
be removed from the fan and attached ducting prior to energizing the
fan. Conductive ducting should be tested semi-annually to assure
resistance (ohms) does not exceed 750k. If sufcient resistance is not
achieved, the duct should be removed from service.
Troubleshooting:

6
System Components: Model CVF-8EXP

SEQ. # ITEM # DESCRIPTION QUANTITY
1 CVF-FANCN 8” FAN, POLYPROPYLENE, POLYONE #PP-16CP/000-2HI 1
2 CVF-MM MOTOR MOUNT, POLYPROPYLENE, POLYONE #PP-16CP/000-2HI 1
3 DECAL161 SERIAL NO. DECAL,CVF-8EXP AND SVF-10EXP 1
4 CVF8EXP-NM CONDUCTIVE POLYETHYLENE HOUSING, ICORENE 517-C 1
5 FS10X350TS 10-24 X 3-1/2 FULLY THREADED STEEL STUD 1
6HDWR070 BLACK ABS ON/OFF KNOB WITH 10-24 THREADS 1
7MTR043EXP EXPLOSION PROOF MOTOR WITH 25’ OF SJOOW CORD (NO PLUG) 1
8HDWR068 COUPLING NUT 10-24 X 3/4 LONG,GRADE 2, STEEL 1
9 FS10X5/8TH #10 X 5/8 TRUSS HEAD PHILLIPS SCREW, STEEL 2
10 ELA051 ALUMINUM GROUNDING LUG, 6-14 AWG (6.35mm MAX) 2
11 ELA007 1/2 CONDUIT LOCK NUT, ZINC COATED STEEL 1
12 MBKCVF8EXP MOUNTING PLATE, CVF SERIES EXP FANS, POLYETHYLENE 1
13 ELA001 CABLE GLAND, 5-12mm, ALTECH P/N 5308921 1
14 DECAL160 PERFORMANCE DECAL, CVF-8EXP AND SVF-10EXP 1
15 HDWR006 16-14 AWG. NON-INSULATED RING TERMINAL, STEEL 2
16 ELCB033G 18 GAUGE STRANDED WIRE-GREEN 0.5
17 CVF-RG REAR GUARD, ZINC COATED STEEL 1
18 FS83/4STSS #8 X 3/4 PAN HEAD SERRATED THREAD SCREW, STEEL 9
19 FNM8X1ESN M8 X 1.0 ELASTIC STOP NUT, STEEL 1
20 CVF-FG FRONT GUARD, ZINC COATED STEEL 1
21 CVF-POST LATCHING POST 4
System Components: Model CVF-8EXP

8
System Components: Model CVF-12EXP
DIMENSIONS: 19”L X 15”W X 17”H
OUTSIDE DIA. OF INLET: 14 3/4”
OUTSIDE DIA. OF OUTLET: 12”

9
System Components: Model CVF-12EXP
SEQ. # ITEM # DESCRIPTION QUANTITY
1 CVFFAN12EX 12” FAN, ANTI-STATIC 1
2 CVF-MM12XP ALUMINUM MOTOR MOUNT 1
3 DECAL226 SERIAL NO. DECAL,CVF-12EXP 1
4 CVF-12NM-B CONDUCTIVE POLYETHYLENE HOUSING, ICORENE 517-C 1
5HDWR343 1/4-20 X 4” LONG SHAFT/KNOB 1
6HDWR344 1/4-20 ROD END 1
7 FB1/4X075S 1/4-20 X 3/4” LONG STAINLESS STEEL BOLT 1
8 FN1/4ESNSS 1/4-20 STAINLESS STEEL HEX NUT 1
9MTR076EXP EXPLOSION PROOF MOTOR WITH 25’ OF SJOOW CORD (NO PLUG) 1
10 FS10X5/8TH #10 X 5/8 TRUSS HEAD PHILLIPS SCREW, STEEL 6
11 ELA051 ALUMINUM GROUNDING LUG, 6-14 AWG (6.35mm MAX) 2
12 ELA007 1/2 CONDUIT LOCK NUT, ZINC COATED STEEL 1
13 MBKCVF8EXP MOUNTING PLATE, CVF SERIES EXP FANS, POLYETHYLENE 1
14 ELA004 CABLE GLAND, 12-15 mm, RACO P/N 3702-6 1
15 DECAL227 PERFORMANCE DECAL, CVF-12EXP 1
16 CVF-RG12 REAR GUARD, ZINC COATED STEEL 1
17 FS83/4STSS #8 X 3/4 PAN HEAD SERRATED THREAD SCREW, STEEL 9
18 CVF-FG12 FRONT GUARD, ZINC COATED STEEL 1
19 CVF-POST LATCHING POST 4
20 FS4X12SS M4 X 12MM LONG, PHILLIPS HEAD SCREW 8

10
System Components: Model SVF-10EXP

11
System Components: Model SVF-10EXP
SEQ. # ITEM # DESCRIPTION QUANTITY
1MILF-10BR 10” STEEL BASE - RED, AXALTA, P/N RED RIVER HP II 1
2HDWR026 RUBBER FEET FOR SVF FANS - 70 DURO SBR 4
3 FW3/16 3/16 USS FLAT WASHER ZINC COATED STEEL 4
4 FS10X050W 10-24 X 1/2 HEX WASHER, ZINC COAT STEEL 6
5 SVF-10HNDL HANDLE, BLACK, LLDPE, EXXON P/N LL8555 1
6 SVF-FAN AXIAL FAN, REINFORCED FIBER, WINGFAN P/N PACAS 1
7 MGDAXFAN1 FINGER GUARD, ZINC COATED STEEL 2
8 SVF-108ADP 10” TO 8” SHROUD, BLACK, LLDPE, EXXON P/N LL8555 2
9 FS1032X78T 10-32 X 7/8 TRUSS,PHILLIPS, ZINC COATED 8
10 FNM8X1ESN M8 X 1.0 ELASTIC STOP NUT, ZINC COATED 1
11 FN1032ESN 10-32 ELASTIC STOP NUT ZINC COATED 8
12 ELA001 CABLE GLAND, 5-12mm, ALTECH P/N 5308921 1
13 ELA007 1/2 CONDUIT LOCK NUT, ZINC COATED STEEL 1
16 MTR043EXP EXPLOSION PROOF MOTOR WITH 25 FT. OF SJOOW CORD (NO PLUG) 1
17 HDWR068 COUPLING NUT 10-24 X 3/4 LONG,GRADE 2 1
18 FS1032X050 10-32 X .5, ROUND PHILLIPS HEAD, ZINC 4
19 FW10LOCK #10 LOCKWASHER ZINC COATED 4
20 FS10X350TS 10-24 X 3-1/2 FULLY THREADED STEEL STUD 1
21 HDWR027 GROMMET FOR SV FANS-60 DURAMETER, SBR 1
22 HDWR070 BLACK ABS KNOB WITH 10-24 THREADS, SVF 1
23 ELA051 ALUMINUM GROUNDING LUG, 6-14 AWG (6.35mm MAX) 2
24 MBSVF10EXP STABILIZER BRACKET FOR SVF-10EX SERIES, STEEL 1
25 FS10X075W 10-24 X 3/4 HEX WASHER, ZINC COATED 6
27 ELA039 1/4” DIAMETER SHRINK TUBING, PVC 0.25
28 DECAL045 MOTOR ROTATION DECAL, PERMANENT OUTDOOR 2
30 DECAL043 AIR SYSTEMS WORLD LOGO DECAL - 4” DIA. 1
32 ILF-G GASKET, ROUND, 8 HOLES, FOR SVF FANS, SBR 2
35 DECAL161 SERIAL NO. DECAL,CVF-8EXP AND SVF-10EXP 1
36 DECAL160 PERF. SPEC. DECAL, CVF-8EXP AND SVF-10EXP 1

12
Conductive Canister / Ducting For CVF-8EXP and CVF-12EXP
CVF-CND6 Conductive 8” Duct Canister with 6 Ft. (183 cm.) of Conductive Duct
CVF-CND15 Conductive 8” Duct Canister with 15 Ft. (457 cm.) of Conductive Duct
CVF-CND25 Conductive 8” Duct Canister with 25 Ft. (762 cm.) of Conductive Duct
ELAP15232 Max. 250 VAC/15 Amp - Killark Universal
ELAP20232 Max. 250 VAC/20 Amp - Killark Universal
Conductive Canister / Ducting For CVF-8EXP
Conductive Canister / Ducting For CVF-12EXP
Explosion Proof Plug For Hazardous Locations
CVCAN1215C Conductive 12” Duct Canister with 15 Ft. (457 cm.) of Conductive Duct
CVCAN1225C Conductive 12” Duct Canister with 25 Ft. (762 cm.) of Conductive Duct

13
Explosion-Proof Plugs Available:
Explosion-Proof Plugs
Available For Explosion-Proof Products
Conform to NEMA configurations and can be used with standard receptacles in non-hazardous areas.
“TURN TO ENGAGE” feature locks in plug and can be used to prevent accidental disengagement.
Interchangeable with Crouse-Hinds®Ark-Gard®2 and Appleton®U-Line®plugs and receptacles.
Item No. Description
ELAP15231 15 AMP, 125 VAC, EXP Plug w/Quick Wiring
ELAP20231 20 AMP, 125 VAC, EXP Plug w/Quick Wiring
International Options
ELAP15232 15 AMP, 250 VAC, EXP Plug w/Quick Wiring
ELAP20232 20 AMP, 250 VAC, EXP Plug w/Quick Wiring
Explosion-Proof Plugs
No Additional Charge for Installation Prior to Shipment
6-20P
5-15P
6-15P
5-20P
Plug Certifications for
Hazardous Locations
ELAP15231
15 AMP, 125 VAC
ELAP15232
15 AMP, 250 VAC
ELAP20231
20 AMP, 125 VAC
ELAP20232
20 AMP, 250 VAC

14
Notes:

15
Notes:

Manual No. BLWR044
Rev. 5 January 2019
Printed in the U.S.A. ©Copyright Air Systems International, Inc. 2019 All Rights Reserved
AIR SYSTEMS INTERNATIONAL, INC.
829 Juniper Crescent, Chesapeake, Va, 23320
Telephone [phone]
Toll Free 1-800-866-8100
Fax No. [phone]
http://www.airsystems.com
e-mail: [email protected]