Vermont Casting SHR48, SHR52, SHR42A Chimney Requirements Offset Installations, 30˚ Elbow Offsets

Page 6

SHR Series Woodburning Fireplace

Chimney Requirements - Offset Installations

Chimney Flue Exit

 

 

 

Chimney

 

 

 

 

 

Section

 

 

 

 

 

Elbow

 

30°

 

 

 

 

 

 

 

 

 

B

 

 

Return

A

 

 

G

 

Elbow

 

 

 

 

 

 

 

 

 

 

 

G

 

D

 

 

 

30°

 

 

E

 

 

Offset

 

 

 

Rise

 

Elbow

 

 

 

6 FT.

 

 

 

 

C

 

 

 

11CS Sup-

 

 

 

 

30°

port

 

 

Offset

 

H

Return

 

 

 

 

Elbow

 

 

 

 

 

 

 

H

 

B

 

 

 

30°

 

 

 

 

 

Offset

 

 

 

 

 

 

Elbow

 

 

 

Hearth Floor

 

 

 

 

Example 1

 

 

Example 2

 

Example 3

Notes: G + H cannot exceed 20 feet.

 

 

FP269

*11CF Chimney airspace clearance = 2" minimum.

 

 

Offset

Rise

 

 

 

 

 

 

 

FP282

 

30˚ Elbow Offsets

 

 

 

 

 

 

 

 

 

1' 1¹⁄₂'

3'

4'

 

Offset

Rise

 

 

 

 

Chimney Support

 

 

 

0

0

0

0

0

3"

11"

 

1

0

0

0

0

8¹⁄"

20"

 

0

1

0

0

0

11¹⁄" 25¹⁄"

 

2

0

0

0

0

13¹⁄" 29¹⁄"

 

1

1

0

0

0

16¹⁄" 34¹⁄"

 

0

0

1

0

0

20¹⁄" 40³⁄"

 

2

1

0

0

0

21³⁄" 43¹⁄"

 

0

0

0

1

0

26¹⁄" 51¹⁄"

 

0

1

1

0

0

28¹⁄" 55¹⁄"

 

1

0

0

1

0

31¹⁄" 60¹⁄

 

0

1

0

1

0

34¹⁄" 65¹⁄"

 

0

0

2

0

0

37¹⁄" 70³⁄"

 

1

1

0

1

1

41¹⁄" 77³⁄"

 

0

0

1

1

1

45" 83³⁄"

 

0

1

2

0

1

47¹⁄" 87¹⁄"

 

0

0

0

2

1

51"

94"

0

1

1

1

1

53¹⁄"

98"

Illustration Key

The following safety rules apply to offset installations (letters correspond with illustra- tion above):

A. Height of the chimney is measured from the hearth to the chimney exit.

 

 

SHR36

SHR42A SHR48

SHR52

Max.:

90'

90'

90'

90'

Min.:

 

 

 

 

0

Elbows

14'6"

14'6"

16'0"

16'0"

2

Elbows*

15'6"

15'6"

19'0"

19'0"

4

Elbows*

21'0"

21'0"

24'0"

24'0"

B. Do not use more than 4 elbows per chim- ney.

Attach the straps of the return (top) elbow to a structural framing member.

The offset (first) elbow of any pair does not have straps.

C. The chimney cannot be more than 30˚ from the vertical plane in any instal- lation.

D. The maximum length of the angled run of the total chimney system is 20 feet. (G plus H cannot exceed 20 feet.)

E. A chimney support (Model 11CS) is required every 6 feet of angled run of chimney. Chimney supports are required for every 30 feet and 60 feet chimney height above the hearth.

Determine the offset distance of your chimney arrangement from the center- line of the fireplace to the centerline of the chimney where it is to pass through the first ceiling.

NOTE: This offset distance may not be your full offset distance. See Examples 2 and 3.

0

0

3

0

1

56¹⁄" 103¹⁄"

0

1

0

2

1

59¹⁄" 108¹⁄"

0

0

2

1

1

62¹⁄" 113¹⁄"

0

1

3

0

1

64¹⁄" 117¹⁄"

0

0

1

2

1

68¹⁄"

124"

0

1

2

1

1

70¹⁄"

128"

0

0

0

3

1

74¹⁄" 134¹⁄"

0

1

1

2

2

78" 140³⁄"

0

0

3

1

2

81"

146"

0

1

0

3

2

84" 151¹⁄"

0

0

2

2

2

87" 156¹⁄"

0

1

3

1

2

89¹⁄" 160¹⁄"

0

0

1

3

2

93" 166³⁄"

0

1

2

2

2

95¹⁄" 170³⁄"

0

0

0

4

2

99¹⁄" 177³⁄"

0

1

1

3

2

101¹⁄" 181³⁄"

0

0

3

2

2

104¹⁄" 186¹⁄"

0

1

0

4

2

107¹⁄" 191¹⁄"

0

0

2

3

2

110¹⁄" 196³⁄"

0

1

3

2

3

114" 203¹⁄"

0

0

1

4

3

117³⁄" 209³⁄"

0

1

2

3

3

120" 213¹⁄"

0

0

0

5

3

123³⁄"

220"

Fig. 6 Chimney system requirements.

6

20001384

Image 6
Contents SHR Series Safety Information Table of ContentsSHR36 Series Woodburning Fireplace SHR48 Series Woodburning Fireplace Chase Installation Chimney Requirements Offset Installations 30˚ Elbow OffsetsPlanning the Chimney Run Planning InformationMounting the Fireplace Ten Foot RuleChimney Supports InstallationChase Installation Insulating Fireplace Enclosure for Cold ClimatesFirebrick Installation FramingChimney Set-up Ceiling Chimney Hole Possible Obstructions Straight-Up Chimney InstallationOffset Installation Cutting the HolePositioning, Safety Strips Securing the Fireplace Installing Outside Air KitInstalling the Chimney System Installing the Firestop Spacer Ceiling HoleProper Firestop Spacer Installation Additional Ceilings Install Remainder of Chimney SectionsInstalling Top Housing or Termination Penetrating the RoofInstalling Chimney in a Chase FinishingFinish Wall Mantel clearance Facing on fireplace surround flush with finished wall Example of Determining Hearth Extension Equivalents Hearth InstallationSide Wall Protection Example for Common BrickMinimum Wall Clearances Installing Line for Gas Logs Sealing detailSHR36/42A/48/52 Woodburning Fireplace Accessories Accessory Description Model NoSLTCF11 Limited Warranty & 30 Year Protection Plan CFM Corporation

SHR36, SHR42A, SHR48, SHR52 specifications

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