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AC246 2' Min. 2' Min. 3' Min. 0 To 10' 3' Min. 0 To 10' Reference Point Fig. 8 Ten Foot Rule illustration. Majestic Fireplaces® BR/BC Series Insulating Fireplace Enclosure for Cold Climates InstallationChimney Supports The chimney system is supported by the fireplace for If you live in a cold climate, it is not required but highly recommended that you insulate fireplace enclosure to eliminate cold air penetration as much as possible. Insulate base of fireplace with a noncombustible insulation rated for a minimum of 300°F. Insulating is very important for outside wall installations over a concrete slab. If fireplace is installed on a platform, insulation should be placed on top of the platform before fireplace is set. (Fig. 10) When a fireplace is installed in a chase or on a outside wall, enclosure should be treated like any outside wall in a home. Insulation should be installed on the inside wall as well as the outside wall(s). In a chase, it is also a good idea to install a firestop at the first ceiling level above the fireplace and enclose the chase with sheeting material. Insulation may then be installed above sheeting material to assure the space around the fireplace is totally protected. (Fig. 5) When installing the chimney, DO NOT caulk between outer pipe and firestop. It is vital that some air be al- lowed to flow through this very thin gap. CAUTION: WHEN INSTALLING A FIREPLACE IN AN INSULATED ENCLOSURE, BE SURE ALL REQUIRED AIR SPACES ARE MAINTAINED. (Page 14, Figure 20) vertical chimney heights less than 30' (9m) above the hearth. Chimney supports are required if the vertical height exceeds 30' (9m) with SK8 chimneys or 20' (6m) with 3-wall chimneys. Locate chimney supports at ceiling holes or other structural framing at 30' (9m) (SK8) or 20' (6m) (3-wall) heights. Spacing between chimney supports must not exceed 30' (9m) (SK8) or 20' (6m) (3-wall). Use Chimney Support Model SKCS8. (NOTE: The SKCS8 can not be mounted directly to the fireplace.) Support provided by elbow straps fulfills the support requirement only if they are spaced as previously described. (A chimney support is 2..." (64mm) long when installed.) Angled chimney runs require a support every 6' (1.8m) in addition to the elbow straps. Chimney supports are used for this function. (Fig. 9) Chase Installation A chase is a vertical box-like structure which encloses the fireplace and/or chimney. Chases are typically built on the outside of the house with fireplace opening cut into the outer wall of a room. (Page 5, Fig. 5) If you need help in determining fireplace location or how the chimney system should be run, contact your Majestic Fireplaces dealer for assistance. Chimney Sup- port Strap SKCS8 FP284 Fig. 9 Chimney support installation Framing Majestic Fireplaces® BR/BC Series Framing can be constructed before or after the fireplace is set in place, however, most installers build the frame before setting the fireplace. Frame fireplace with 2 x 4 lumber or heavier materials. Refer to framing dimensions in Figures 1, 2, 3 or 4 for basic fireplace specifications. NOTE: When using 2 x 6 framing construction, the allowable air space between the front of the SK8 outer pipe and 2 x 6 framing is reduced to 1" (25mm) as tested and approved by U.L. for use in both the United States and Canada. NOTE: Framing should be positioned to accommodate wall covering and fireplace facing material. Installing Electrical Wire (for Circulator Models) If a circulating fireplace is to be installed, run the 120 VAC, 60 Hz wiring to the left side of installation. Wiring must be completed before the fireplace is secured and finish material applied. Remove the cover plate and electrical knock-out on the lower left side of the fireplace and set aside. Follow the instructions on Page 10 for proper wiring and installation of the EB1. If the fan kit is not being installed with the fireplace, it is highly recommended that 120 VAC supply be made available since someone may elect to install a blower at a later date. FP555 Fig. 10 Insulating between platform and fireplace. Hard Flat Surface Insulation Platform Option For Circulating Models Only — EB1 (Receptacle) Hook-Up: • Wiring should be installed by a certified electrician. • Turn off circuit breaker before wiring models. Once fireplace is secured, complete wiring the fan kit. Remove knockout in the center of the back of the EB1 and install listed cable clamps. Feed electrical wire through listed cable clamp leaving approximately 6" (152 mm) of wire exposed through the EB1. Secure listed cable clamp to the wire. Attach white wire from power source to one (1) wire of receptacle and secure with nut. Attach black wire from power source to the other wire of receptacle and secure with nut. Be sure nuts are secured tightly. Secure EB1 assembly to inside of electrical box coverplate using two screws. Attach cover to face of the EB1 while being careful to position excess wire completely within the EB1, then attach coverplate t...
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