Owner's Manual - Hearth & Home Technologies

H. Cathedral Ceiling1. Follow installation Steps 1 and 2 under vertical installationsection, page 16.2. Remove shingles or other roof covering as necessaryto cut the rectangular hole for the support box. Cutthe hole 1/8 in. (3 mm) larger than the support boxoutline.3. Lower the support box through the hole in the roofuntil the bottom of the support box protrudes at least 2in. (51 mm) below the ceiling (Figure 5.17). Align thesupport box both vertically and horizontally with a level.Temporarily tack the support box in place through theinside walls and into the roof sheathing.Figure 5.18CUT HOLE 1/8 in. (3 mm)GREATER IN SIZE THANPATTERN OF SUPPORTBOX AS IT IS PROJECTEDONTO ROOF LINELEVELCATHEDRAL CEILINGSUPPORT BOX2 in. (51 mm) MIN. BELOWFINISHED CEILING6. Place the support clamp (provided with the supportbox) inside the support box (at the bottom), and secureto the pipe section. The clamp allows the support boxto support the weight of the pipe sections. Continue toadd pipe sections until you are above the roofline.7. Complete the cathedral ceiling installation by followingthe same procedures outlined in steps 7 through 9 forvertical installations, pages 17-18.8. Install the black trim collar around the outside of thecathedral ceiling support box (Figure 5.19). The twopieces of the trim collar slide over one another to allowfor easy adjustment around the support box. Using thesix screws provided, secure the four corners and theoverlapping sections of the trim collar to the ceiling.You may want to predrill the holes for the overlappedsections for ease of installation.Figure 5.17TRIM COLLAR4. Using tin snips, cut the support box from the top cornersdown to the roofline, and fold the resulting flaps overthe roof sheathing (Figure 5.18). Before nailing it to theroof, run a bead of non-hardening mastic around thetop edges of the support box to make a seal between itand the roof. Clean out any combustible material frominside the support box.5. Assemble the desired lengths of pipe and elbowsnecessary to reach from the appliance up throughthe round support box. Ensure that all pipe and elbowconnections are in their fully twist-locked position.Assemble as instructed.CATHEDRAL CEILINGSUPPORT BOXFigure 5.19SCREWSHeat & Glo • Paloma • 7031-220 Rev. S • 8/09 19