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AUTO-DRAFT
VSUB BLOWERS
For providing combustion air; sidewall or
vertically venting heating appliances, dryers
and ovens. Can be installed indoors or
outdoors.
!
RECOGNIZE THIS SYMBOL AS AN INDICATION OF IMPORTANT SAFETY INFORMATION!
THESE INSTRUCTIONS ARE INTENDED AS AN AID TO QUALIFIED, LICENSED
SERVICE PERSONNEL FOR PROPER INSTALLATION, ADJUSTMENT AND
OPERATION OF THIS UNIT. READ THESE INSTRUCTIONS THOROUGHLY
BEFORE ATTEMPTING INSTALLATION OR OPERATION. FAILURE TO FOLLOW
THESE INSTRUCTIONS MAY RESULT IN IMPROPER INSTALLATION, ADJUST-
MENT, SERVICE OR MAINTENANCE POSSIBLY RESULTING IN FIRE, ELECTRI-
CAL SHOCK, CARBON MONOXIDE POISONING, EXPLOSION, PERSONAL
INJURY OR PROPERTY DAMAGE.
DO NOT DESTROY. PLEASE READ CAREFULLY AND KEEP IN
A SAFE PLACE ON JOB SITE FOR FUTURE REFERENCE.
Copyright © 2004, Tjernlund Products, Inc. All rights reserved.
TJERNLUND PRODUCTS, INC.
1601 Ninth Street • White Bear Lake, MN 55110-6794
PHONE (800) 255-4208 • (651) 426-2993 • FAX (651) 426-9547
Visit our web site • www.tjernlund.com
®
VSUB-SERIES
Listings:
ETL CERTIFIED TO:
UL 378 - Draft Equipment / Variable Speed
UL 705 - Power Ventilators
CSA-CAN3-B255-M81
REV. 02/04
MODELS
VSUB8
VSUB12
VSUB16
VSUB20
P/N 8504114
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Related Manuals for TJERNLUND AUTO-DRAFT VSUB Series
Summary of Contents for TJERNLUND AUTO-DRAFT VSUB Series
- Page 1 CAL SHOCK, CARBON MONOXIDE POISONING, EXPLOSION, PERSONAL INJURY OR PROPERTY DAMAGE. DO NOT DESTROY. PLEASE READ CAREFULLY AND KEEP IN A SAFE PLACE ON JOB SITE FOR FUTURE REFERENCE. Copyright © 2004, Tjernlund Products, Inc. All rights reserved. P/N 8504114...
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Page 2: Table Of Contents
REPLACEMENT PARTS ..............................15 Tjernlund Products welcomes your comments and questions. Call us at 800-255-4208, Fax 651-426-9547, Email us at fanmail@tjfans.com or write to: Customer Service, Tjernlund Products, Inc., 1601 Ninth Street, White Bear Lake, MN 55110-6794. VSUB-SERIES UNIVERSAL BLOWER DESCRIPTION The VSUB-Series Universal Blowers are a multi-purpose adjustable-fixed speed or automatic-variable speed blower. -
Page 3: Vsub Fan Performance Curves
COMPLETE VSUB-SERIES UNIVERSAL BLOWER SYSTEM SOLUTIONS This installation manual does not contain any vent system design documentation. Installation and use of Tjernlund controls like the CPC-2 Constant Pressure Controller, VFD Series Variable Frequency Drives, EXP-4 Appliance Interlock Expansion boards, UC-1 Universal Control or MAC1E and MAC4E Multiple Appliance Controls are not covered by this manual. -
Page 4: Installation Restrictions & Cautions
6. Tjernlund’s Model FFP-1, Fire and Freeze Protection Limit must be installed when using the VSUB as a combustion air intake to protect the boiler room from temperature extremes. Do not install FFP-1 when VSUB is used as a draft inducer. It is designed to disrupt power to a combustion air supply blower in the event of a boiler room fire or an extended period where frigid outdoor air supply could cause pipes to freeze. -
Page 5: Draft Inducer Termination Clearances For Canadian & U.s. Installations
1. Make sure the VSUB Blower specified is large enough to remove the exhaust gasses for all the heating appliances connected to it. Tjernlund Products, Inc. is not responsible for vent layout, appliance type or design changes to the heating system. - Page 6 DIAGRAM A CANADA MECHANICAL DRAFT TERMINATION CLEARANCES FOR U.S. INSTALLATIONS CODE REQUIREMENTS Terminate the VSUB Blower so that proper minimum clearances are maintained as cited in the latest edition of the National Fuel Gas Code (NFPA 54), NFPA 211 or 31 when applicable, (See Diagram B): •...
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Page 7: Combustion Air Intake Clearances
DIAGRAM B UNITED STATES INTAKE HOOD/LOUVER LOCATIONS WHEN USING THE VSUB BLOWER AS A COMBUSTION AIR INTAKE The VSUB Intake Hood/Louver location must conform with the BOCA National Mechanical Code or local codes. LOCATION: Outside air exhaust and intake openings shall be located a minimum of 10 feet (3048mm) from lot lines or buildings on the same lot. -
Page 8: Vsub Installation
1000 CFM will require a minimum 15" x 15" opening to have a maximum capture velocity of 650'/min. If an intake grille is 75% open, the area will need to increase to 17.25" x 17.25" to maintain a design maximum velocity of 650'/min. 2000 CFM will require a minimum 21"... -
Page 9: Psa-1 Fan Proving Switch Installation
DIAGRAM E troller, and the manual operation mode fan prover for installations incorporating a CPC-2 controller. TJERNLUND ABD-SERIES BALANCING BAFFLE 1. Install Fan Proving Switch sampling tube in (IF BAFFLE IS INSTALLED the vent connector as close as possible to... -
Page 10: Wiring
CPC-2 installation instructions. Failure to insure correct rotation will result in higher power usage and poor blower performance. All VSUB Blowers must use a Variable Frequency Drive (VFD) supplied by Tjernlund which is factory programmed specifically for the VSUB model being installed. - Page 11 MGND All wiring must be in metal conduit or shielded cable. Maximum length 300' (91m) @ 230 VAC and 100' (30m) @ 460 VAC TJERNLUND DRIVE MODEL VFD- _ _ _ _ _ _ _ O "O" means "Open Loop"...
- Page 12 MULTIPLE VSUBS ON AN ADJUSTABLE-FIXED SPEED APPLICATION (MANUALLY ADJUSTED WITH AN OPEN LOOP VFD) AMBER GREEN GREEN 115V 9183006 TJERNLUND PRODUCTS, INC.
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Page 13: Psa-1 Safety Interlock And Draft Adjustment Set-Up Procedure
DRAFT AND PSA-1 FAN PROVER ADJUSTMENT PROCEDURES DRAFT ADJUSTMENT FOR MECHANICAL DRAFT INSTALLATIONS IMPORTANT: If installation includes a CPC-2 Controller, disregard these procedures and refer to the CPC-2 & System instructions for draft and PSA-1 Fan Prover adjustment procedures. Close all access doors and openings to the mechanical room that would typically be closed during the heating equipment operation. Fire all other heating equipment not connected to this vent system and operate exhaust fans or air consuming devices within the facil- ity that could affect the air pressure of the mechanical room. -
Page 14: Safety Interlock Test
Disconnect the power supply when making wiring connections or when working around the fan impeller and motor. Failure to do so can result in electrical shock, personal injury, death or property damage. The Tjernlund VSUB Blower is designed for continuous use. The motor is equipped with permanently lubricated sealed ball bearings which do not require regreasing. -
Page 15: How To Obtain Service & Limited Warranty
Tjernlund Products, Inc. will issue credit to your VSUB provider or provide a free part to replace one that becomes defective during the two year warranty period. All receipts should include the Lot # of the VSUB Blower to ensure that the defective component corresponds with the complete unit. -
Page 16: Replacement Parts
(2) years from the date of original purchase or delivery to the original purchaser, whichever is earlier. Remedies under this warranty are limit- ed to repairing or replacing, at our option, any product which shall, within the above stated warranty period, be returned to Tjernlund Products, Inc. at the address listed below, postage prepaid.
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