Dryer Duct Booster LB1 Instructions
Contents
1. TJERNLUND PRODUCTS INC 1601 Ninth Street e White Bear Lake MN 55110 6794 PHONE 800 255 4208 651 426 2993 FAX 651 426 9547 Visit our web site e www tjernlund com Dryer Duct Booster For Residential Capacity Clothes Dryers READ OWNERS INSTRUCTIONS CARE FULLY PRIOR TO INSTALLATION DRYER DUCT BOOSTER FAN THESE INSTRUCTIONS MUST REMAIN MODEL LB1 WITH EQUIPMENT DO NOT DESTROY DESCRIPTION amp PURPOSE The Dryer Duct Booster Model LB1 has been specifically designed to boost residential capacity clothes dryer duct exhaust veloci ties where dryer duct runs exceed 25 equivalent feet Proper exhaust velocities will reduce drying times save energy and prevent lint buildup in the dryer duct The LB1 is controlled by an electronic Pressure Response Control PRC for automatic operation The LB1 utilizes galvanized steel construction a reverse inclined particulate handling impeller that is guaranteed not to clog with lint and an externally mounted PSC motor for trouble free operation SPECIFICATIONS amp COMPONENTS MODEL LB1 att Tiny i Blower 160 cfm ET UL507 14 7 OUTLET Motor 115 Volts 60 Hz K XS CSA 22 2 NO 113 M 0 80 amps maximum 56826 a sous io5 Sf Impeller Reverse inclined particulate handling CV Components 1 LB1 wired fan assembly JA 1 16 gaug2. When the dryer is activated dryer exhaust pressurizes the inside of the dryer duct activating the LB1 When the LB1 and dryer are operating together they establish a resulting pressure that is monitored by the PRC When the dryer shuts off this pressure decreases and the PRC shuts off the LB1 INITIAL SETUP RESET OF PRESSURE RESPONSE CONTROL PRC WARNINC When first supplied electrical power or if power is reestablished the LB1 will load its program about 20 seconds and then run for 15 30 seconds to learn the pressure baseline of the vent system To prevent injury or impeller damage install the LB1 in dryer vent system before supplying power Each residential capacity clothing dryer installation is unique due to dryer duct length vent hood type location of LB1 dryer make amp model etc Because of these varying conditions the LB1 needs to learn the application it is installed on As part of the start up routine the LB1 will load its program about 20 seconds and then run for 15 30 seconds to learn the pressure baseline of the vent system when power is first supplied or if power is reestablished IMPORTANT For new construction or installations where the dryer is not present it is necessary for the end user of the dryer to perform the setup procedure below to program the PRC sensing control before initial use of the dryer Once dryer dryer duct and LB1 are installed and before initial use of the dryer OR if the LB1 cycles erra
3. com When contacting Tjernlund Products Inc please have the following information available 1 Name and address of installer and service agency 2 Job code on nameplate date of original installation and dates any service work was performed REPLACEMENT PARTS AND WARRANTY PRESSURE RESPONSE CONTROL FACTORY WIRING Part Number Part Number DO Sensing Tube Assembly Kit 950 9100 Ground Wire p S Pressure Response Control Kit 950 9102 Motor Kit 950 9101 WHAT IS NOT COVERED Motor Black ON N A Product installed contrary to our installation instructions Motor White L2 umm Power Cord Any freight charges related to the return of the defective part N e L1 Product that has been altered neglected or misused Power Cord Ribbed L2 Any labor charges related to evaluating and replacing the defective part TJERNLUND LIMITED FIVE YEAR MATERIAL AND NO CLOG WARRANTY Tjernlund Products Inc warrants to the original purchaser of this product that the product will be free from defects due to faulty material or workmanship for a period of 5 years from the date of original purchase or delivery to the original purchaser whichever is earlier Remedies under this warranty are limited 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 Additionally Tjernlund warrants to the original purchaser of t
4. e galvanized steel mounting bracket 1 mounting hardware packet INSTALLATION RESTRICTIONS WARNIN The LB1 must be installed in compliance with your local building codes Verify compliance before installing this unit DIAGRAM A The LB1 must be installed in an area in which ambient air temperatures are between 20 F and 140 F G 29 C and 60 C and ambient humidity does not exceed 85 relative humidity Do not install the LB1 in a position where dryer exhaust temperatures exceed 175 F 80 C at LB1 inlet The dryer duct in which the LB1 is installed must terminate with a dryer vent hood with a damper Not recommended for dryer duct runs exceeding 100 equivalent feet Equivalent feet equals linear feet plus 5 additional feet for each 90 elbow and 2 5 feet for each 45 elbow Do not install the the LB1 with the discharge facing down See Diagram A Do not install the LB1 in an orientation where the sensing tube port might fill with condensation See Diagram B DO NOT INSTALL LB1 INA POSITION WITH THE SENSING PORT AT THE BOTTOM OF DRYER DUCT WHERE CON DENSATION CAN POOL IN SENSING TUBE PORT ia 2008 TJERNLUND PRODUCTS INC ALL RIGHTS RESERVED P N 8504142 REV A 0508 INSTALLATION RECOMMENDATIONS Avoid installing the LB1 within 15 equivalent feet of the dryer or within 5 equivalent feet of the dryer vent hood See Diagram C DIAGRAM C 15 EQUIVALENT FT 5 EQUIVALENT FT E
5. his product that the unit will not become inoperable due to lint blockages that restrict the impeller s motion for a period of 5 years from the date of original purchase or delivery to the original purchaser whichever is earlier THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION ON THE FACE HEREOF AND TJERNLUND PRODUCTS INC EXPRESSLY DISCLAIMS LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAM AGES ARISING FROM THE USE OF THIS PRODUCT THESE WARRANTIES ARE IN LIEU OF ALL OTHER EXPRESS WARRANTIES AND NO AGENT IS AUTHO RIZED TO ASSUME FOR US ANY LIABILITY ADDITIONAL TO THOSE SET FORTH IN THESE LIMITED WARRANTIES IMPLIED WARRANTIES ARE LIMITED TO THE STATED DURATION OF THIS LIMITED WARRANTY Some states do not allow limitation on how long an implied warranty lasts so that limitation may not apply to you In addition some states do not allow the exclusion or limitation of incidental or consequential damages so that above limitation or exclusion may not apply to you This war ranty gives you specific legal rights and you may also have other rights which may vary from State to State Send all inquiries regarding warranty work to Tjernlund Products Inc 1601 9th Street White Bear Lake MN 55110 6794 Phone 651 426 2993 800 255 4208 Fax 651 426 9547 Email fanmail tjfans com
6. quivalent feet equals linear feet plus 5 additional feet for each 90 elbow and 2 5 feet for each 45 elbow Avoid installing the inlet or outlet of the LB1 within 1 foot of dryer duct elbows NO YES NO Install the LB1 as close to the middle of the dryer duct run as possible MOUNTING NOTE Do not use screws in the dryer duct installation The LB1 motor can be mounted in DIAGRAM D a horizontal or vertical orientation Discharge must face up if mounted vertically See Diagram D Do not install the LB1 in an orientation where the sensing tube port might fill with condensation See Diagram B 1 Considering dryer duct routing and LB1 location use the 4 10 x 1 3 4 wood screws to secure the mounting bracket to the wood structure using the 4 3 8 holes in the 1 2 moon portion of the bracket Do not to over tighten the screws 2 Based on the desired mounting orientation position the mounting bracket onto 3 of the 4 vibration isolators located on the LB1 Tighten the bracket in place using the 3 provided 1 4 nuts HORIZONTAL VERTICAL MOUNTING MOUNTING MUST DISCHARGE FACING UP 3 Insert dryer duct on inlet and outlet of LB1 and secure using reinforced foil duct tape See Initial Setup Reset of Pressure Response Control PRC below before plugging in SEQUENCE OF OPERATION The LB1 is controlled by an electronic Pressure Response Control PRC The control continuously monitors the pressure in the dryer duct
7. tically the PRC sensing control can be set reset by performing the following procedure FOLLOW STEPS BELOW FOR INITIAL SETUP RESET OF PRC SENSING CONTROL e Remove all articles from the dryer e Clean dryer lint trap and reinstall e Verify that dryer door is completely closed e Verify that dryer vent system is cool If need be cool down the vent system by running dryer for 5 minutes on Air Dry e Verify that dryer is not operating IMPORTANT The dryer dryer duct and LB1 must be installed before continuing setup reset of PRC sensing control 1 Disrupt power to the LB1 by unplugging from electrical outlet or tripping circuit breaker powering the outlet 2 Wait 10 seconds 3 Reestablish power to the LB1 In 20 30 seconds the LB1 will run to learn the baseline 4 In 15 20 seconds the LB1 will shut off Wait at least 30 seconds for learn process to be completed before using clothes dryer MAINTENANCE amp SERVICE The LB1 motor and fan assembly are maintenance free The fan impeller is designed for particulate handling The pressure sensing tube is self cleaning If the LB1 is acting erratically perform the reset procedure of the Pressure Response Control PRC as outlined on the previous page If you have any questions about your LB1 we suggest that you contact your installer contractor or service agency If you require technical information contact Tjernlund Products Inc at 1 800 255 4208 or visit www tjernlund
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