Intertherm DESIGNER 36 Installation Instructions Manual Download Page 14

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

14

Note:

 See Framing and Dimension Chart for the

sizes of the ceiling and roof openings. The size
of the roof opening varies with the degree of
pitch of the roof.

Offset Elbow Assembly

Offset elbows install the same as chimney
sections. First, snap the inner section INTO the
preceding inner section of flue. Check connec-
tion by pulling up slightly to ensure a tight fit.
Next, the outer sections snap lock OVER the
preceding outer section of chimney. Again,
check outer section by pulling up slightly to
ensure proper connection is made.

Return Elbow Assembly

Return elbows install the same way as round
terminations and stabilizers:

Step 1.

 Hold return elbow over top of last

chimney section.

Step 2.

 Center inner slip section into inner flue

pipe-slip down.

Step 3.

 Center outer-locking section over outer

chimney pipe. Push down until locking joint has
firmly engaged.

Step 4.

 Pull up slightly on return elbow to

ensure locking joint has firmly engaged.

Step 5.

 Secure support straps to framing

members by nailing under tension in sheer
(

Figure 38 ).

Figure 38

Note:

 The return elbow assembly performs the

same function as a stabilizer. Consider this
when determining the need for a stabilizer.

Note:

 Do not apply excessive pressure to any

subsequent chimney section following return
elbow assembly when installing. Ensure that
each subsequent chimney section is securely
attached by testing as noted above.

Return

Elbow

Figure 36

Figure 37

Underside Of Chimney

Chimney Section (S)

FTF8-E30 Return Elbow*

FTF8-30 Offset Elbow*

B

A

*Part of Offset/Return Package Model FTF8-ES30

INSTALLING OFFSETS

First, review the Offset Elevation Chart and
Figure 37 for reference.

Step 1.

 Determine the offset distance where

chimney is to pass through the first ceiling-
dimension “A.” To find this point on your
ceiling, first determine the center point for a
vertical chimney following the instructions for
vertical installation.

Measure height to the ceiling from the top of
fireplace-dimension “B.” Use the appropriate
Offset Elevation Chart to find dimension “A.”
Mark point where you will drive your nail to
show the center point for your offset ceiling cut.

Step 2.

 Proceed by using the Straight Up

Installation Instructions for cutting and fram-
ing ceiling and roof openings.

Figure 39

HOUSE
WIRING

COVER PLATE
Replace Cover Plate
After Electrical
Hook-Up

POWER TO THE FIREPLACE
The Optional Blower Kit
Operates on 115 volt 60 Hz
150 watts AC

GROUND
WIRE

House Wiring Must Be Secured
With The Appropriate Electrical
Connector To The Fireplace
Convenience Outlet Wiring

OPTIONAL EQUIPMENT
CONSIDERATIONS

Blower Kit

A Blower Kit model FBK-200 is available for
use with these models. The Blower Kit is
installed standard on the fireplace.

Note:

  These fireplace models require a wall

switch for fan operation.  Refer to the installa-
tion instructions included with the Blower Kit
for installation details.

THE FIREPLACE MUST BE WIRED TO THE
HOUSE ELECTRICAL SYSTEM AT THE TIME
OF INSTALLATION IN ORDER FOR THE FANS
TO OPERATE, (SEE

 FIGURES 39 AND 40 ).

Figure 40

BLOWER THREE
PRONGED PLUG TO
GROUNDED OUTLET

Note:

  The utilization of fans will increase the

air flow around the firebox.  However, only a
minimal increase in heat output should be
anticipated.

Summary of Contents for DESIGNER 36

Page 1: ...g your installation Do not alter or modify the fireplace or its components under any circumstances Any modification or alteration of the fireplace system including but not limited to the fireplace chi...

Page 2: ...a result of handling or transporta tion These items should be inspected by your distributor or qualified factory representative to ensure safe condition When in doubt con sult your distributor 16 For...

Page 3: ...lace systems are designed for in stallation in accordance with the National Fire Protection Standard for chimneys fireplaces and solid fuel burning appliances NFPA 211 andinaccordancewithcodessuchasth...

Page 4: ...MBLE WARNING DONOTOBSTRUCTTHECOL LAR OPENINGS AROUND THE BASE OF THE CHIMNEY AT THE TOP OF THE FIRE PLACE NEVER USE BLOWN INSULA TIONTOFILLTHECHIMNEYENCLOSURE LOCATION OF FIREPLACE Carefully select th...

Page 5: ...tal safety strips beneath the fireplace as illustrated Figures5 6 and 7 The safety strips should overlap for continual coverage of the floor Note Safety strips are not required when fire place rests o...

Page 6: ...wall must always be measured from a finished surface If a wall covering such as drywall is to be attached to the rear wall then the 21 552 mm must be measured from the drywall surface It is important...

Page 7: ...1 2 dry wall at the fireplace face Ifsheathingthechaseorfinish ing with other thickness materials calculations will need to be made Perpendicular to roof ridge A B Ceiling Framing C D Roof Framing FR...

Page 8: ...h floor brackets used to secure the fireplace to the floor to prevent shifting in transit Screw 8d Nail Or Equivalent Fastener Ensurethethimblepenetratestheroofopening The thimble must extend complete...

Page 9: ...flue pipe and locking outer stabilizer section into place over the outer chimney pipe Position for proper clearance through framed opening and nail straps securely under tension in shear into place on...

Page 10: ...gs adjoining roof lines adverse wind conditions etc may require a taller chimney should the fireplace not draft properly Figure 31 Less Than 10 3 Min 2 Min 10 3 Min Locking Band Mastic Or Roof Caulkin...

Page 11: ...be used between but do not exceed 20 in total length between elbows If sections of pipe exceed 10 between elbows a chimney stabilizer must be used at the midpoint see Figure 33 The stabilizer support...

Page 12: ...mber Of FTF8 Height Of Chimney Only Chimney Lengths Chimney Only Inches Feet Inches 12 18 36 48 MM M Height Of Number Of FTF8 Height Of Chimney Only Chimney Lengths Chimney Only Inches Feet Inches 12...

Page 13: ...0 0 718 1467 29 59 1 0 0 1 1 0 743 1505 31 63 1 0 2 0 1 0 794 1600 32 64 1 0 1 0 0 1 819 1638 34 68 1 0 1 1 1 0 870 1734 35 69 1 0 0 1 0 1 895 1772 37 73 1 0 0 2 1 0 946 1861 38 75 1 0 0 0 2 0 972 190...

Page 14: ...ow FTF8 30 Offset Elbow B A Part of Offset Return Package Model FTF8 ES30 INSTALLING OFFSETS First review the Offset Elevation Chart and Figure 37 for reference Step 1 Determine the offset distance wh...

Page 15: ...valve key for safety Always plumb gas line installation per local codes Check all connections with soap suds leaks will bubble Never test any gas line connection with a match or open flame CAUTION WHE...

Page 16: ...12 of the fireplace opening see Figure 46 Use a 24 W x 30 H wall shield constructed of millboard or a durable noncombustible material having an equal or greater insulating value than K 54BTU IN FT2 HR...

Page 17: ...th exten sion to a level of 5 or more above the floor surface What combination of noncombustible materials can be used to accomplish this If common brick is used so that the 3 dimension is the height...

Page 18: ...facing and wall surrounds to prevent air intrusion Use non combustible caulking material only to seal the black metal facing to the surround material on the finished wall Combustible materials may pro...

Page 19: ...Storm Collar 63L59 FSC Locking Band 63L60 FLB Stabilizer 63L25 FTF8 S4 Round Termination 63L42 FTF8 CTD Adjustable Firestop Thimble HO326 FM8 AT2 Thimble Extension 2 19M52 F8 TE26 2 INSTALLATION COMP...

Page 20: ...V D 04 2002 LHP 1110 West Taft Avenue Orange CA 92865 The manufacturer reserves the right to make changes at any time without notice in design materials specifications prices and also to discontinue c...

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