Heatilator ST42A Owner's Manual
Heatilator ST42A Owner's Manual

Heatilator ST42A Owner's Manual

See-through woodburning fireplace

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Model:
ST42A
See-Through

Woodburning Fireplace

Important operating
a n d m a i n t e n a n c e
instructions included.
WARNING
If the information in these instruc-
tions is not followed exactly, a
fi re may result causing property
damage, personal injury, or death.
• Do not store or use gasoline or other fl am-
mable vapors and liquids in the vicinity of
this or any other appliance.
• Do not overfi re. Overfi ring will void your
warranty.
• Comply with all minimum clearances to
combustibles as specifi ed. Failure to
comply may cause house fi re.
Installation and service of this fi replace should
be performed by qualifi ed personnel. Hearth
& Home Technologies suggests NFI certifi ed
or factory-trained professionals, or technicians
supervised by an NFI certified
professional.
CAUTION
DO NOT DISCARD THIS MANUAL
Read, understand
and follow these
instructions for safe
i n s t a l l a t i o n a n d
operation.
Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07
Owner's Manual
Installation and Operation
Leave this manual with
party responsible for
use and operation.
WARNING
Hot glass will cause burns.
Do not touch glass until it is cooled
NEVER allow children to touch glass
Keep children away
CAREFULLY SUPERVISE children in same room
as fi replace.
Alert children and adults to hazards of high
temperatures.
High temperatures may ignite clothing or other
fl ammable materials.
Keep clothing, furniture, draperies and other
fl ammable materials away.
WARNING
Fire Risk
For use with solid wood fuel or decorative
gas appliance only.
Do not install unvented gas logs.
HOT SURFACES!
Glass and other surfaces are
hot during operation AND
cool down.
1

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Summary of Contents for Heatilator ST42A

  • Page 1: Woodburning Fireplace

    • For use with solid wood fuel or decorative or factory-trained professionals, or technicians gas appliance only. supervised by an NFI certified • Do not install unvented gas logs. professional. Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 2 Your new Heatilator wood burning fi replace will give you years As the owner of a new fi replace, you’ll want to read and care- of durable use and trouble-free enjoyment.
  • Page 3: Table Of Contents

    A. Gas Log/Lighter Provisions ....26 Note: An arrow ( ) found in the text signifi es change in content. Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 4: Listing And Code Approvals

    Installation and/or use of any component part not approved by Hearth & Home Technologies. Hearth & Home Technologies disclaims any responsibility for, and the warranty and agency listing will be voided by the above actions. Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 5: Getting Started

    Basement installations should be avoided due to stack effect. Stack effect creates negative pressure in lower levels. Hearth & Home Technologies recommends the use of direct vent fi replaces in basements. Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 6 Consider the fi replace location relative to fl oor and ceiling and attic joists. Recommended Recommended Location Location Marginal Location Location Recommended Location Recommended Windward Outside Air Intake Leeward Multi-level Roofs Figure 2.1 Recommended Chimney Locations Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 7: Typical Fireplace System

    V-shaped standoffs (spacers) Mantel and surround Decorative facing and trim Hearth extension Outside combustion air Factory-built fireplace Protective metal hearth strip(s) Figure 2.2 Typical Fireplace System Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 8: Tools And Supplies Needed

    Read all the instructions before starting the installation. Follow these instructions carefully during the • Keep fi replace dry. installation to ensure maximum safety and benefi t. • Mold or rust may cause odors. Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 9: Selecting Fireplace Location

    Clearanc es (Sec - tion 3.B.) • Mantel Projections (Section 8.C.) 12 in. (305 mm) min. to • Fireplace Dimensions perpendicular (Section 12.A.) 64 in. wall. (1626 mm) Figure 3.1 Fireplace Locations Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 10: Clearances

    1/2 in. (13 mm) to side of appliance to floor Figure 3.2 Clearances to Combustible Materials Note: Chimney air kit and 11-10 in. (279-254 mm) adapter not shown but required in Canada. Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 11: Sidewalls/Surrounds

    12 in. (305 mm) max. Note: Fireplace Header cannot be positioned until after the fireplace assembly is in place. 48 in. (1219 mm) 27 in. (686 mm) Figure 3.4 Framing the Fireplace Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 12: Construct The Chase

    Maximum unsupported chimney height above the 35.0 10.67 fi replace Figure 3.5 Chase Assembly i. Maximum unsupported chimney above roof 1.83 Note: A maximum of two pairs offsets and returns may be used. Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 13: Installation Of Fireplace

    The outside air kit is installed on the left hand side of the fi replace. See Figure 4.4 for handle location/operation. Flexible Duct (not supplied) Outside Air Plate Outside Air Assembly Shield 2 Wire Ties Figure 4.1 Outside Air Installation Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 14 (preferably with short run or mainly straight duct, except small dip for cold air trap which will help prevent flow of cold air). Figure 4.3 Outside Combustion Air Placement Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 15: Secure The Fireplace

    fi replace openings for square. Measure diagonal dis- tances of each opening to make sure they are equal. If they are not, continue to shim the fi replace until those diagonals are equal. Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 16: Chimney Assembly

    Figure 5.1 Typical Chimney System - Guidelines for Chimney System Installation NOTE: • Chimney performance may vary. • Trees, buildings, roof lines and wind conditions affect performance. • Chimney height may need adjustment if smoking or overdraft occurs. Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 17: Chimney Requirements

    16-3/4 servicing another appliance. SL1136 SL436 34-3/4 • Do NOT connect to any air distribution duct or system. SL1148 SL448 46-3/4 1187 SLA10 16-3/4 * Dimensions refl ect effective height. Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 18: Using Offsets/Returns

    1314 98 7/8 2511 Proper assembly of air cooled chimney parts results in an overlap of chimney joints of 1-1/4 in. (32 mm). Effective length is built into this table. Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 19: Assemble The Chimney Sections

    fl oor or every 10 ft (3.05 m) of clear space. • Use same dimensional lumber as joists. Ceiling fi restop slows spread of fi re and reduces cold air infi ltration. Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 20: Install The Attic Insulation Shield

    • Maintain specifi ed cleaances around chimney. • Check instructions and local codes for further details. 3 in. (76 mm) overlap Figure 5.6 Prepare Attic Insulation Shield Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 21: Double-Check The Chimney Assembly

    Secure returns with strapping. • Straight chimney sections may be secured with screws (not to exceed 3/4 in./19 mm in length) at the joints. Keep chimney sections from separating or twisting. Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 22: Complete The Enclosure

    Refer to the installation instruc- 6 in. 20 in. (152 mm) min. (508 mm) min. tions supplied with the decorative cap cover. Figure 6.2 Multiple Chimneys Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 23 Install the Chimney Air Kit (required in Canada): When installing the chimney air kit, follow the instructions provided with this accessory. Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 24: Chase Top

    All seams must be caulked to prevent leaks. • A chase installation must use a chase top. Chase tops Fire Risk are available from your Heatilator dealer or may be fi eld • The minimum overlap of cap to pipe constructed.
  • Page 25 Top of Pipe Figure 6.9 Installing a European Copper Series Termination Cap (CT11-King shown, available in US only) Figure 6.8 Installing a TCT1175 Terra Cotta Cap (Available in US only) Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 26: Accessories

    Combustible materials may be located at zero clearance to gas line Repack beyond 4 in. (102 mm) Insulation from fireplace side. Knockout 4 in. (102 mm) Figure 7.1 Gas Line Installation Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 27: Finishing

    0.20 5-1/8 in. Common Brick 0.20 5-1/8 in. Ceramic Tile 12.50 0.08 12-1/4 in. Armstrong™ Privacy Guard Plus 0.46 2.18 1/2 in. Marble 14.3-20.0 0.07-0.05 14-5/8 in. - 20-3/8 in. Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 28: Finishing Material

    (i.e., steel studs, concrete board, etc.). Model # 1676 Figure 8.3 Hearth Extension Dimensions Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 29: Mantel

    This fi replace has been tested and listed for use with doors as specifi ed in Section 12.B. Fireplace Components. Please refer to the manual packed with each set of doors for instal- lation instructions. Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 30: Operating Instructions

    For use with solid wood fuel or decorative gas appliance only. • Do not install unvented gas logs. Air Kit Handle Location open (just above stone) close Damper Handle Figure 9.1 General Operating Parts Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 31: Outside Air

    Fire Risk Smoke Risk • Doors must be fully opened or fully closed when operating fi replace. Partially opened doors may draw fl ame, smoke or heat from fi replace. Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 32: Grate

    This sounds ridiculous but that is exactly what you are • Closer than required clearances to doing if you burn unseasoned wood. combustibles to fi replace. • Within space required for loading or ash removal. Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 33: Starting A Fire

    fi replace and the refractory and paint to cure. You may fi replace while it is in use. notice an industrial odor the fi rst few fi res. This is consid- Combustible materials may ignite. ered normal. Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 34: Troubleshooting

    Overhead fan operating? Creosote buildup in flue? Air register from furnace near fireplace? Damper closed? Doors opening and closing? Outside air Window closed closed? for start-up? Figure 10.1 Factory-built Fireplaces: Troubleshooting Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 35: Diagnostics And Problem Solving

    No: Need for all heat boosts possible How much heat output do you • Unrealistic expectations Explanation of decorative nature of fi replace; suggestion of expect? approved fi replace insert. Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 36 Is the chimney clean? • No: Creosote odor Have chimney cleaned. • Yes: Damper closed too early Wait until fi re completely out before closing damper. Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 37: Maintenance And Servicing The Fireplace

    TCT1175 Termination Cap TR444/TR442 Terra Cotta ST475 Round Termination Cap (CT-King shown) Termination Cap Square Termination Cap Available US only Available US only Figure 11.1 Chimney & Termination Cap Cleaning Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 38: Maintenance Task List

    Failure to replace damaged components and make conduct a minimum of an NFPA 211 Level 2 inspection of proper repairs creates risk of fi re. the chimney. Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 39: Reference Materials

    8-3/8 in. (213 mm) (213 mm) 42 in. 14 in. 7-1/2 in. 14 in. 11-3/4 in. (1067 mm) (356 mm) (192 mm) (356 mm) 8-5/8 in. (298 mm) (219 mm) Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 40: Fireplace Components

    GR11 Integral Grate Bi-fold Glass Doors 66 in. (1676 mm) 20 in. (SIDE OF FIREPLACE) (508 mm) 1/2 in. (13 mm) HX4 - Hearth Extension AK17 - Outside Air Kit Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 41: Chimney Components

    13 in. 18 in. (330 mm) (457 mm) Outside Diameter 13 in. (330 mm) CAK5A - Chimney Air Kit SLA10 Adapter SL11/SL4 - Chimney Stabilizer (Required in Canada) (Required in Canada) Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 42 (51 mm) 15-1/4in. (387 mm) JB577 - Chimney Joint Band 28 in. 39-7/8 in. (711 mm) (1013 mm) 13 in. (330 mm) RF571 - Roof Flashing CB576 - Chimney Joint Band Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 43 (508 mm) LDS-BV Decorative Shroud Catalog # 17 in. 12-1/2 15-1/2 (432 mm) LDS-BV 9-3/8 in. (238 mm) 9-1/4 in. (235 mm) TCT1175 - Terra Cotta Cap (Available US only) Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 44 (610 mm) CT11-King CT11-Bishop CT11-Queen 16 in. (406 mm) 21 in. (533 mm) 38-3/8 in. (975 mm) 25-3/4 in. (654 mm) 16 in. 20-5/8 in. (406 mm) (524 mm) CT11-Knight CT11-Pawn Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 45: Woodburning Termination Cap

    Minimum height is established with the bottom of the termination cap 7 in. (178 mm) above the chase top. Minimum height must increase accordingly for any height above 7 in. (178 mm). All dimensions are INSIDE dimensions. Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 46: Service Parts

    D. Service Parts ST42A Service Parts Beginning Manufacturing Date: N/A Service Parts Diagram Ending Manufacturing Date: Active 42 in. See-Through Woodburning Fireplace (Side of Fireplace) (Duct sold separately.) Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
  • Page 47 Outside Air Plate Assembly 19081A Air Kit Fastener Pack 17916B Nailing Flange 31190 Gas Access Panel (for use with Air Kit) 31636 Exterior Touch-Up Paint 71479 ST42A Installation Instructions & Owner’s Manual 35038 Heatilator • ST42A US-CAN • 4012-039 Rev D • 11/07...
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  • Page 51: Limited Warranty

    Limited Warranty HHT warrants the following components of your Heatilator woodburning fi replace to be free from original defects in material and workmanship during the applicable periods described: fi ve years for the fi rebox assembly, chimney system and roof termination; two years for refractory fi rebox liners;...
  • Page 52: Contact Information

    1915 W. Saunders Street Mt. Pleasant, Iowa 52641 www.heatilator.com Please contact your Heatilator dealer with any questions or concerns. For the number of your nearest Heatilator dealer, please visit www.heatilator.com. – NOTES – CAUTION DO NOT DISCARD THIS MANUAL •...

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