Heat & Glo HST-42D - Manuals

9 INCORRECT CORRECT INCORRECT CORRECT Figure 2.2 Operating Positions of Bi-fold Doors WARNING! Risk of Fire and Smoke! Fireplaces equipped with doors should be operated only with doors fully open or doors fully closed. If doors are left partly open, gas and flame may be drawn out of the fireplace op...

10 M. Wood Fuel Hardwood vs Softwood Your fireplace performance depends on the quality of the firewood you use. • Seasoned wood contains about 8,000 BTUs per pound . • Hard woods are more dense than soft woods. • Hard woods contain 60% more BTUs than soft woods. • Hard woods require more time to sea...

11 3 Maintenance and Service Figure 3.1 Chimney & Termination Cap Cleaning A. Disposal of Ashes Frequency: When they reach bottom of grate By: Homeowner WARNING! Risk of Fire! Ashes could contain hot em- bers. • Place ashes in a metal container with a tight-fitting lid. • The closed container sh...

12 C. Check Firebox Refractory Frequency: After each ash removal By: Homeowner D. Inspect Grate Frequency: After each ash removal By: Homeowner Inspect grate for:• Warping or sagging 1-1/2 in. (38 mm) or more • Broken welds • Burn-through of grate bars For safe operation, replace only with an approv...

13 4 Troubleshooting Guide Start Fire Problems Possible Cause Solution Can’t get fire started Excessive smoke or spillage Burns too slowly Smolders, sizzles Not enough kindling/paper or no kindling/paper Use dry kindling, more paper. Arrange kindling & wood for air movement. Damper closed/not fu...

14 5 Getting Started A. Typical Fireplace System Installer Guide Heat & Glo • HST-42D • 27177 • Rev AG • 7/12 )))) ))) ))) ))) ))) ))) ))) ))) ))))) ))))))) )))) )))))))))))))))))) )) Place unit, then outline and fill with white. Move behind the unit and group/ Delete this note. Non-combustible ...

15 Negative pressure results from the imbalance of air avail- able for the fireplace to operate properly. It can be stron- gest in lower levels of the house.Causes include:• Exhaust fans (kitchen, bath, etc.) • Range hoods • Combustion air requirements for furnaces, water heaters and other combustio...

16 Marginal Location: • Below peak Location NOT recommended: • Not the highest point of the roof • Wind loading possible Multi-level Roofs Windward Leeward Recommended Location: • Above peak Recommended: • Insulated exterior chase in cooler climates Recommended Location: • Above peak • Inside heated...

17 Before beginning the installation be sure the following tools and building supplies are available: Reciprocating saw Framing material Pliers Non-combustible sealant Hammer Gloves Phillips screwdriver Framing square Flat blade screwdriver Electric drill and bitsPlumb line Safety glasses Level Tape...

18 6 Framing & Clearances 52 in. (1321 mm) 36 in. (914 mm) 16 in. (406 mm) (hearth extension) 48 in. (1219 mm) 12 in. (305 mm) min. to perpendicular wall. Figure 6.1 Fireplace Locations A. Select Fireplace Location Heat & Glo • HST-42D • 27177 • Rev AG • 7/12

19 B. Clearances WARNING! Risk of Fire! You must comply with all minimum air space clearances to combustibles as specified in Fig- ure 6.2. DO NOT pack required air spaces with insulation or other materials. Heat & Glo • HST-42D • 27177 • Rev AG • 7/12 (insulation) 0 in. to level of standoffs At...

20 40 in. [1016 mm] 36 in. [914 mm] 12 in. [305 mm] 9 3/4 in. [248 mm] 12 in. [305 mm] 12 in. [305 mm] Grid represents 1 in. (25 mm) squares FLUSH FRONT 4 in. [102 mm] BRICK FRONT 50° angle 39° angle D. Frame the Fireplace Figure 6.4 shows typical framing using combustible materials (2x4 lumber show...

21 7 Installation of Fireplace CAUTION! Risk of Cuts/Abrasions. Wear protective gloves and safety glasses during installation. Sheet metal edges are sharp. A. Things to Consider • Location of chimney air kit (see Figure 7.4) • Location(s) of outside air kit • Electrical connections and/or wall switc...

22 Outlet placed higher than 3 ft below the termination cap Attic space Garage or combustible liquids storage Outlet blocked by snow, leaves, etc. Clear area outside house or in ventilated crawl space YES NO NO NO NO Factory-built fireplace Use only duct materials specified by manufacturer (preferab...

23 Outside Air Hood Outside Air Plate Assembly 2 Wire Ties Flexible Duct (not supplied) Figure 7.5 Outside Air Installation E. Install Outside Air Kit • Keep duct runs short and straight to minimize restriction. A small dip is acceptable for a cold air trap. • The outside air kit must be installed. ...

24 Chimney must extend beyond combustible roof structure Maintain minimum height of chimney above roof Additional support for tall chimneys Install roof flashing according to minimum requirements Maintain minimum clearances to combustibles as specified Offsets/returns may not exceed 30° from vertica...

25 A. Chimney Requirements Measure vertical distances from the base of the fireplace as shown in Figure 8.2. 20 ft (6.10 m) max. pipe between an offset & return Ceiling firestop 35 ft (10.67 m) max. straight unsupported chimney height 16 ft (4.88 m) min. height (single offset-return) 20 ft. (6.1...

27 Figure 8.4 Assembling Chimney Sections • Support the pipe during construction and check to be sure inadvertent loading has not dislodged the chimney section from the fireplace or at any chimney joint. • Attach a straight chimney section or an offset to the top of the fireplace. • Place inner flue...

28 ROOM ABOVE (non-insulated ceiling) ATTIC ABOVE (insulated ceiling) B A Ceilng firestop from bottom Ceiling firestop from top Note: Use same dimensional lumber for framing ceiling firestop and joists. Figure 8.5 Installing the Ceiling Firestop • Install a ceiling firestop whenever chimney penetrat...

29 3 in. (76 mm) overlap Insert three screws Bend inward 90° Bend remaining tabs to rest against pipe to prevent insulation from falling in. Figure 8.6 Prepare Attic Insulation Shield Installation of a ceiling firestop is required• Refer to Figures 8.6 - 8.8.• Roll the shield (around the chimney if ...

30 Figure 8.9 Ceiling/Attic Construction H. Complete Installation WARNING! Risk of Fire! You MUST maintain 2 in. (51 mm) air space to insulation and other combustible materials around the chimney system. Failure to do so could cause overheating and fire. • Keep chimney sections from separating or tw...

31 Slanted Roofs Flat Roofs Chimney must extend 3 ft (.9 m) above the roof Chimney must extend 2 ft (.6 m) above any portion of the roof or adjacent structures within 10 ft (3 m) of the chimney Chimney must extend 3 ft (.9 m) above the roof Chimney must extend 2 ft (.6 m) above any portion of the ro...

32 9 Chase Installations Attic Insulation Shield Chimney Ceiling Firestop Tabs False Ceiling False Ceiling Insulation Insulation Ceilng Firestop Metal Chase Top Round Termination Cap False Ceiling Figure 9.1 Chase Assembly 1 2 1. Chimney offset through exterior wall and enclosed in chase. 2. Chase c...

33 Slope Downward (1/4 in. per foot minimum) Turn-down Drip Edge Chase 2 in. (51 mm) Collar on Chase Top .018 (26 ga) min. Galvanized Chase Top Figure 9.3 Chase Top Construction B. Install Fireplace & Chimney Install as per Sections 7 and 8. Heat & Glo • HST-42D • 27177 • Rev AG • 7/12 C. In...

34 D. Install Termination Cap Install the chimney sections up through the chase enclo- sure. • Refer to termination cap instructions. WARNING! Risk of Fire! The minimum overlap of cap to pipe (as shown in the following illustrations) MUST be met or chimney may separate from cap. Separation allows sp...

35 Heat & Glo • HST-42D • 27177 • Rev AG • 7/12 Chimney Pipe Chase Top Termination Cap Chase Collar 2 in. (51 mm) Minimum Height Termination cap pipe and chimney section must overlap 1-1/2 in. (38 mm). Place waterproof sealer under each flange of the termination cap and on top of each screw to h...

36 3 in. (76 mm) tall legs Ø 17 1/2 in. (444.5 mm) Round Hole to fit over cap Length x Width to fit inside shroud Figure 10.1 Radiation Shield 10 Shrouds • Chase top shrouds may be field constructed where permitted by regional building codes. WARNING! Risk of Fire! Shrouds must be constructed as spe...

37 3 in. (76 mm) Min. Opening Height Min. Base Dim Min. Height above radiation shield Min. Base Dim 3 in. (76 mm) Min. Radiation Shield Height from top of Chase Min. Opening Width Figure 10.3 Mailbox Style Shroud Dimensions Minimum Opening Height Minimum Base Dimension Min. Opening Width Min. Base D...

38 11 Finishing A. Non-Combustible Materials • Materials which will not ignite and burn, composed of any combination of the following: - Steel - Iron - Brick - Tile - Concrete - Slate - Glass - Plasters • Materials reported as passing ASTM E 136, Standard Test Method for Behavior of Metals, in a Ver...

39 D. Finishing Material Refer to Sections 11.A. and Sections 11.B. for combus- tible/non-combustible materials. Refer to Figure 11.9 for non-combustible zone. WARNING! Risk of Fire! You must maintain clearances. • Use only non-combustible framing material below standoffs. • Sheetrock, wood or other...

40 E. Combustible Mantel • Refer to shaded areas of Figure 11.4 for locations and dimensions of a combustible mantel. • A combustible mantel may be positioned no lower than 12 in. (305 mm) above the top of the fireplace opening. • A combustible mantel may have a maximum depth of 12 in. (305 mm). • C...

41 F. Sidewalls/Surrounds • Adjacent combustible sidewalls must be located a minimum of 12 in. (305 mm) from the fireplace opening. • Combustible or non-combustible mantel legs, surrounds and stub walls may be constructed per Figure 11.5. 40 in. [1016 mm] 36 in. [914 mm] 12 in. [305 mm] 9 3/4 in. [2...

42 Firebox Repack insulation knockout Combustible materials Maintain air clearance to combustibles. Gas line Combustible materials may be located at zero clearance to gas line beyond 4 in. (102 mm) from fireplace side. Gas line 1 1/2 in. (38 mm) air space around pipe Refractory Seal with fireplace m...

43 13 Reference Materials A. Fireplace Dimensions 47-1/4 in. (1200 mm) (effective height) 41-1/2 in. (1054 mm) 36 in. (914 mm) 20-7/8 in. (530 mm) 7-1/2 in. (191 mm) 10-1/2 in. (267 mm) dia. 12 in. (305 mm) 8-1/4 in. (210 mm) 35 in. (889 mm) 7-1/8 in. (181 mm) 9-5/8 in. (244 mm) Gas Knockout 8-1/4 i...

44 B. Chimney Components The following pictures show only those chimney compo- nents which may be safely used with this fireplace. ID4 Insulated Duct UD4 Uninsulated Duct 42 in. (1067 mm) 4 in. (102 mm) i.d. 42 in. (1067 mm) 4 in. (102 mm) i.d. Heat & Glo • HST-42D • 27177 • Rev AG • 7/12 Catalo...

47 Service Parts Diagram 36 in. See-through Woodburning Fireplace HST-42D 1 2 10 9 8 11 7 6 5 3 12 4 Beginning Manufacturing Date: Aug 2001 Ending Manufacturing Date: Active Service Parts IMPORTANT: THIS IS DATED INFORMATION. When requesting service or replacement parts for your appliance please pro...

49 – NOTES – E. Contact Information DO NOT DISCARD THIS MANUAL CAUTION • Important operating a n d m a i n t e n a n c e instructions included. • Leave this manual with party responsible for use and operation. • Read, understand a n d f o l l o w t h e s e instructions for safe i n s t a l l a t i o...