Heatilator Birmingham BIR50-B Installation Manual page 13

E. Secure and Level the Fireplace
7KLV ¿UHSODFH PD\ EH SODFHG RQ HLWKHU D FRPEXVWLEOH RU
QRQFRPEXVWLEOH FRQWLQXRXV ÀDW VXUIDFH 6OLGH WKH ¿UHSODFH
LQWR SRVLWLRQ %H VXUH WR SURYLGH WKH PLQLPXP  LQ DLU
FOHDUDQFH DW WKH VLGHV DQG EDFN RI WKH ¿UHSODFH
7KH ¿UHSODFH VKRXOG EH SRVLWLRQHG VR WKH IDFH RI WKH QRQ
FRPEXVWLEOH PDWHULDO RQ WKH ¿UHSODFH ZLOO EH ÀXVK ZLWK WKH
face of the drywall on the walls.
/HYHO WKH ¿UHSODFH DQG VKLP DV QHFHVVDU\
WARNING! Risk of Fire!
loose insulation.
• DO NOT install against vapor barriers or exposed
insulation.
• Secure insulation and vapor barriers.
• Provide minimum air space clearances at the sides and
EDFN RI WKH ¿UHSODFH DVVHPEO\
F. Protective Metal Hearth Strips
WARNING! Risk of Fire!
strips MUST be installed on combustible surfaces. DO
NOT cover metal strips with combustible materials.
6SDUNV RU HPEHUV PD\ LJQLWH ÀRRULQJ
WARNING! 5LVN RI ¿UH
embers or other burning material falling from the
¿UHSODFH PD\ LJQLWH ÀRRULQJ RU FRQFHDOHG FRPEXVWLEOH
surfaces.
• Protective metal hearth strips MUST be installed.
• Hearth extensions MUST be installed exactly as
VSHFL¿HG
‡ /RFDWH WKH WKUHH SURWHFWLYH PHWDO KHDUWK VWULSV PHDVXULQJ
DSSUR[LPDWHO\  LQ [  LQ  PP [  PP LQFOXGHG
ZLWK WKLV ¿UHSODFH
‡ 6OLGH HDFK PHWDO VWULS  LQ  PP XQGHU IURQW HGJH RI
¿UHSODFH
‡ 2YHUODS VWULSV LQ WKH PLGGOH RI ¿UHSODFH RSHQLQJ E\  LQ
 PP PLQLPXP
‡ 0HWDO VWULSV PXVW H[WHQG EH\RQG WKH IURQW DQG VLGHV
RI WKH ¿UHSODFH RSHQLQJ E\ DW OHDVW  LQ  PP 
)LJXUH  
‡ 3URWHFW WKH IURQW RI D SODWIRUP HOHYDWHG DERYH WKH KHDUWK
H[WHQVLRQ ZLWK PHWDO VWULSV QRW LQFOXGHG ZLWK ¿UHSODFH
SHU )LJXUH  6HH
instructions.
Heatilator • Birmingham BIR50-B Installation Manual • 4059-701• Rev AA • 06/23
Prevent contact with sagging,
Protective metal hearth
High temperatures, sparks,
Section 6 fRU KHDUWK H[WHQVLRQ
Protective metal strips are placed 2 in. (51 mm) under
the front of the fireplace and must extend beyond the
front and sides of fireplace opening by 2 in. (51 mm).
Figure 3.6 Position the Protective Metal Hearth Strips
Top piece must overlap
Raised Platform
2 in.
(51 mm)
2 in.
(51 mm)
Figure 3.7 Protect the Front of an Elevated Platform
G. Outside Air Kit (Required on both sides)
2XWVLGH DLU NLWV PXVW EH XVHG IRU FRPEXVWLRQ DQG WR SUR-
YLGH FRROLQJ DLU WR SUHYHQW RYHUKHDWLQJ +HDUWK
7HFKQRORJLHV UHFRPPHQGV \RX XWLOL]H WKH VKRUWHVW GXFW UXQ
WR RSWLPL]H WKH SHUIRUPDQFH RI WKH RXWVLGH DLU NLW DQG LQ-
VWDOO D 37UDS VHH )LJXUH   7KH RXWVLGH DLU LQOHW KRRGV
VKRXOG EH SRVLWLRQHG LQ D PDQQHU WKDW ZLOO QRW DOORZ VQRZ
OHDYHV HWF WR EORFN WKH LQOHW ,Q VRPH LQVWDOODWLRQV WKH DLU
GXFW PD\ QHHG WR EH UXQ YHUWLFDOO\ ,Q VXFK DQ LQVWDOODWLRQ
D  IW  PP KHLJKW GL HUHQFH PXVW EH PDLQWDLQHG IURP
the top of the uppermost chimney section to the outside
FRPEXVWLRQ DLU LQOHW KRRG
Note: 0D[LPXP OHQJWK LV  IHHW WR HDFK NLW
1 in. (25 mm)
overlap minimum
bottom piece
1 in. (25 mm) min.
overlap
Floor
+RPH