User manual TJERNLUND 950-0452 PAI-1,2 PROVER KIT 8504044 REV. 1 0497

[. . . ] 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 PAI-G/GT/O SERIES REPLACEMENT FAN PROVER SWITCH INSTALLATION INSTRUCTIONS OWNERS INSTRUCTIONS THESE INSTRUCTIONS MUST REMAIN WITH EQUIPMENT DO NOT DESTROY ALWAYS FOLLOW HEATER MANUFACTURER'S INSTRUCTIONS FOR PROPER OPERATION OF HEATER AND RE-LIGHTING OF PILOT READ INSTRUCTIONS CAREFULLY PRIOR TO INSTALLATION 1. Disconnect electrical power before making wiring connections to prevent electrical shock and equipment damage. [. . . ] The Proving Switch used in this application has studs requiring (2) nuts to fasten to damper housing. Wire leads on switch should point in direction they enter damper cavity. The BLUE wire from IN-FORCER junction box should be connected to the COM terminal of Proving Switch and the YELLOW wire should be connected to N/O terminal of Proving Switch. Reinstall PAI Proving Switch assembly to damper assembly with (2) nuts. Before reassembling IN-FORCER, check Proving Switch for free movement. Proper operation of Proving Switch can be verified by a "click" sound as switch opens and closes. Disconnect electrical power before making wiring connections to prevent electrical shock and equipment damage. When wiring is completed, check all components by running system through its entire heating cycle. IN-FORCERS with date codes after "9704" For the steps following below, refer to diagram B. Remove (6) screws from bottom front and sides of IN-FORCER while holding blower assembly firmly. [. . . ] Before reassembling IN-FORCER, check Proving Switch for free movement. Proper operation of Proving Switch can be verified by a "click" sound as switch opens and closes. [. . . ]