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Copyright © 2004, Tjernlund Products, Inc.  All rights reserved.

P/N 8504114

REV.   02/04

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.

MODELS

VSUB8

VSUB12

VSUB16

VSUB20

AUTO-DRAFT

®

VSUB-SERIES

VSUB BLOWERS

For providing combustion air; sidewall or
vertically venting heating appliances, dryers
and ovens.  Can be installed indoors or 
outdoors.

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

Listings:

ETL CERTIFIED TO:
UL 378 - Draft Equipment / Variable Speed
UL 705 - Power Ventilators
CSA-CAN3-B255-M81

RECOGNIZE THIS SYMBOL AS AN INDICATION OF IMPORTANT SAFETY INFORMATION!

!

Summary of Contents for AUTO-DRAFT VSUB Series

Page 1: ...G EXPLOSION PERSONAL INJURY OR PROPERTY DAMAGE DO NOT DESTROY PLEASE READ CAREFULLY AND KEEP IN A SAFE PLACE ON JOB SITE FOR FUTURE REFERENCE MODELS VSUB8 VSUB12 VSUB16 VSUB20 AUTO DRAFT VSUB SERIES V...

Page 2: ...er All models are supplied with the model PSA 1 Fan Proving Switch which will disable the burner s if an exhaust supply malfunction should occur and a FFP 1 fire freeze limit that will shut the VSUB B...

Page 3: ...add 0 60 W C to vent system resistance to accommodate the effects of wind loading Consideration must be given to the temperature of the gases being handled and the elevation above sea level of the in...

Page 4: ...ves the flow of flue gasses or combustion air and is interlocked with all of the heating appliances If installing a VSUB Blower in conjunction with a CPC 2 controller the CPC 2 provides the safety int...

Page 5: ...discharge Make sure the clear ance to combustible surfaces inside and outside the building are followed as discussed in your state and local codes or in their absence the National fuel gas code NFPA...

Page 6: ...t be less than 7 feet above grade when located adjacent to public walk ways At least 3 feet above any forced air inlet located within 10 feet At least 4 feet below 4 feet horizontally from or 1 foot a...

Page 7: ...hen a source conta minant is located within 10 feet 3048mm of an intake opening such opening shall be located a minimum of 2 feet 610mm below the contami nant source IN ADDITION TO THESE CODES THE MAN...

Page 8: ...s as a mechanical exhauster never orient the discharge vertically without installing a rain cap or a vent pipe that alters the discharge to horizontal Rain caps must be raised a distance equal to the...

Page 9: ...ference Make sure there are no sharp bends or kinks in flexible tubing Do not mount the PSA 1 so that is direct ly in the path of the VSUB Blower discharge unit heater or duct discharges Doing so may...

Page 10: ...e Frequency Drives UC1 Universal Control TD 2 TD 3 Pressure Transducer or MAC1E and MAC4E Multiple Appliance Controls are not covered by this manual Please refer to those accessory installation manual...

Page 11: ...onduit All wiring must be in metal conduit best or shielded cable 230 VAC OR 460 VAC 5 VDC BOARD GENERATED POWER DO NOT SUPPLY POWER 115 VAC NOTES FIGURE 8089002 03 23 04 6 5 3 2 1 LEGEND 24 VDC FOR A...

Page 12: ...UC1 INSTRUCTIONS VFD SPEED ADJUST 1 ORANGE BLUE GREEN BLACK BLACK BLACK M1 M2 M3 MGND L1 L2 F2 F1 L3 MS3 MS4 WEATHERPROOF BOX AND WHIP FIGURE 8089004 03 23 04 will be off if power has been removed fr...

Page 13: ...t is being adjusted 6 After the draft has been adjusted for all heaters and with all heaters operating reverify that the draft on all heaters is within the manufacturer s specified range Make any slig...

Page 14: ...ion air to the equipment room When installing the VSUB Blower as a draft inducer it is not necessary to supply any more combustion air than normally required when con ventional venting MAINTENANCE SER...

Page 15: ...5 4208 When contacting Tjernlund Products Inc please have the following information available 1 Model and Lot of the VSUB Blower 2 Name and address of installer and service agency 3 Date of original i...

Page 16: ...al defects due to faulty material or workman ship for a period of 2 years from the date of original purchase or delivery to the original purchaser whichever is earlier Remedies under this warranty are...

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