User manual TJERNLUND EF DUCT BOOSTER FANS 8504057 REV.793

[. . . ] FLEXIBLE DUCT (Diagram A) Choose a seam or other point in the duct where the EF-Series fan will be mounted. IMPORTANT: For proper operation of the PRC control do not install the EF-AUTO within 10 duct diameters from outlet end supply register. For example if the duct is 6", 6 x 10 = 60" from outlet supply register. Cut or separate the flexible duct and install the fan with fan blade facing the direction of air flow, (See Diagram A). [. . . ] Cut or separate the flexible duct and install the fan with fan blade facing the direction of air flow, (See Diagram A). Support with plumber's strap or other suitable method if necessary. DIAGRAM A AIR FLOW 8050017 10/20/08 ©2008 TJERNLUND PRODUCTS, INC. ALL RIGHTS RESERVED P/N: 8504157 SHEET METAL DUCT (Diagram B) Choose a joint on the existing duct where the EF-Series fan will be mounted. IMPORTANT: For proper operation of the PRC control do not install the EF-AUTO within 10 duct diameters from outlet end supply register. For example if the duct is 6", 6 x 10 = 60" from outlet supply register. Cut a piece of duct on the female side of the existing duct 1 inch shorter than the shroud length of the EF-Series model being installed. NOTE: DO NOT CUT OFF A PIECE OF EXISTING DUCT WHICH HAS THE CRIMPED END. Insert fan in duct with fan blade facing the direction of air flow, (See Diagram B). Support with plumber's strap or other suitable method if necessary. If filter is clean, move EF-AUTO closer to the Air handler fan/blower to see if higher pressure turns EF-AUTO on. CAUTION: You will need to check for voltage across PRC control to proceed. With forced air handler fan/blower running, check for 115 VAC across M1 & M2 on PRC sensing control, (See Diagram C). If voltage is present apply 115 VAC to motor leads to see if motor is defective. If voltage is not present, replace PRC control board or contact Tjernlund Products, Inc. DIAGRAM C Motor (M1) Motor (M2) MEASURE FOR 115 VAC ACROSS M1 & M2 WHILE AIR HANDLER FAN/BLOWER IS RUNNING. USE A SMALL SCREW DRIVER TO CAREFULLY PRY SENSING TUBE OFF OF PRC SENSING PORT WHILE AT THE SAME TIME PULLING ON SENSING TUBE. DIAGRAM D DIAGRAM E USE COMPRESSED AIR OR BLOW IN SENSING TUBE GOING TO SAMPLING PORT IN EF-AUTO HOUSING. MAINTENANCE & SERVICE If installed on a forced air heating or cooling system where filters are properly installed and maintained, no cleaning of the EF-AUTO Series fan or motor should be required. The EF-AUTO Series fans have high temperature lubrication and require no oiling. REPLACEMENT PARTS AND WARRANTY Description EF-6AUTO Motor EF-6AUTO Blade EF DUCT BOOSTER FANS 8504057 REV. 793 Motor EF DUCT BOOSTER FANS 8504057 REV. 793 Blade EF-AUTO Pressure Response Control Kit Part Number 950-0416 950-0417 950-0428 950-0418 950-9150 PRESSURE RESPONSE CONTROL (FACTORY WIRING) Ground Wire Motor (M1) Motor (M2) Power Cord Non-Ribbed (L1) Power Cord Ribbed (L2) WHAT IS NOT COVERED Product installed contrary to our installation instructions. Any labor charges related to evaluating and replacing the defective part. TJERNLUND LIMITED ONE YEAR 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 (1) year from the date of original purchase or delivery to the original purchaser, whichever is earlier. [. . . ] The EF-AUTO Series fans have high temperature lubrication and require no oiling. REPLACEMENT PARTS AND WARRANTY Description EF-6AUTO Motor EF-6AUTO Blade EF DUCT BOOSTER FANS 8504057 REV. 793 Motor EF DUCT BOOSTER FANS 8504057 REV. 793 Blade EF-AUTO Pressure Response Control Kit Part Number 950-0416 950-0417 950-0428 950-0418 950-9150 PRESSURE RESPONSE CONTROL (FACTORY WIRING) Ground Wire Motor (M1) Motor (M2) Power Cord Non-Ribbed (L1) Power Cord Ribbed (L2) WHAT IS NOT COVERED Product installed contrary to our installation instructions. Any labor charges related to evaluating and replacing the defective part. TJERNLUND LIMITED ONE YEAR 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 (1) year 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. [. . . ]