INSTALLATION PREPARATION

Survey the planned location for the fireplace for overhead plumbing or electrical wires, etc., that might complicate the installation or endanger persons installing or cleaning the chimney. Avoid a location where the chimney cap will be near abrupt changes in the roof shape, nearby wall or embankments, under or near trees or above the roof of a single story wing of a two story building as shown by Figure 9. All these conditions can cause turbulence or pressure conditions that can cause poor chimney draft and smoke spillage from the fireplace opening. Elbows may be used to offset the chimney to avoid obstructions or to locate the chimney cap in a preferred location. Refer to the sections of this manual pertaining to chimney offsets for instructions on proper elbow use. Poor installation or location of the chimney cap and/or components can cause wind blown rain to enter the chimney.

Be sure the selected location will allow a 17" square combustible material-free space for the chimney to pass through. If the chimney is to pass through living or storage spaces, be sure there is adequate space to enclose the chimney to avoid personal contact with, or damage to, the chimney. If the fireplace is to be installed on an outside wall, the surrounding walls (chase) should be constructed and insulated as shown by Figure 7. Failure to insulate the fireplace form outside temperatures will cause heat loss through and around the fireplace.

FIGURE 7

JOIST INSULATE SAME

 

AS CEILING

SOLID

SURFACE

SEE NOTES

FIRESTOP SPACER

NOTES:

8' 0"

1. MODEL LF-FS-2 FIRESTOP

LEVEL

SPACER MUST BE USED.

 

2.LOCAL CODES MAY NOT REQUIRE FIRE STOPPING AT THE CEILING LEVEL FOR CHASE INSTALLATIONS, BUT IT IS RECOMMENDED FOR SAFETY AND REDUCING HEAT LOSS.

3.DO NOT INSULATE THE CHASE WITH BLOWN OR FILL TYPE INSULATION. INSULATION SHOULD ONLY CONTACT THE FIREPLACE AT POINTS WHERE THE FIREPLACE WOULD NORMALLY BE CONTACTED BY FRAMING MATERIALS

LCL TELESCOPING CHIMNEY CAP

LCLF FLAT CHASE TOP FLASHING

CHIMNEY SECTIONS "L" SERIES

INSULATE OUTSIDE WALLS OF CHASE

SOLID CONTINUOUS SURFACE

INSULATION (THERMAL BARRIERS)

OUTSIDE BASE

8

53D9028. Rev 1 03/03

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Martin Fireplaces SB5400SS manual Installation Preparation