Viking VCWH 1500 CFM Exterior-Power Ventilator Kit - Installation Instructions - Page 3

INstall the blower ROOF INSTALLATIONS 1. Remove the cover and screws. 2. Attach an appropriate U.L. approved cable connector in the hole at the rear of the wiring box. 3. Remove roofing nails from shingles around the TOP and SIDES of the cutout area only.Carefully lift the shingles to allow the back flashing sheet on the blower housing to fit under them. 4. Center the blower ring in the 11" diameter hole, making sure that the 1¼" diameter electrical wiring hole aligns with the hole in the wiring box. 5. Attach the blower to the roof with six (6) screws provided. It is recommended that the screws be located inside the blower housing. Drill pilot holes if necessary. 6. Using a good grade of roofing cement, seal all of the shingles around the housing and flashing sheet as well as the mounting screw heads. 7. Bring electrical wiring through the hole in the wiring box and secure it according to local codes. INstall the blower WALL INSTALLATIONS 1. Place a large bead of caulk on the back side of the housing all along the outer edges. 2. Center the blower ring in the 11" diameter hole, making sure that the 1¼" diameter electrical wiring hole aligns with the hole in the wiring box. 3. Attach blower to the wall with the six (6) screws provided. It is recommended that the screws be located inside the blower housing. Drill pilot holes if necessary. 4. Using a good grade of caulk, seal all around the mounting screw heads. 5. Bring electrical wiring through the hole in the wiring box and secure it according to local codes. GROUND TO GROUNDING SCREW GROUND TO GROUNDING SCREW WWHHIITTEE TTOO BRBOLUWEN WWHHIITE TTOO BRBOLUWEN 120 VAC LINE IN 120 VAC LINE IN BLLAACCKK TTOO BBLLAUCEK 8. Make the electrical connections with the proper connector for the type of wiring being used. Connect black to black, white to blue, and the green or bare wire to grounding screw. 9. Replace cover and screws. Do not pinch wiring under the cover. BBLACCKK TO BBLLAUCEK 6. Make the electrical connections with the proper connector for the type of wire being used. Connect black to black, white to blue, and green or bare wire to grounding screw. 7. Replace cover and screws. Do not pinch wiring under cover. 8. Make sure damper opens and closes freely. 9. Top and side flanges of the back plate may be covered with trim strips. Do not block grille opening at bottom with trim. It will adversely affect performance of the blower. 10. Make sure damper opens and closes freely.