TOA Electronics CST-38 User Manual

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INSTALLATION

INSTRUCTIONS

CUSTOM SERIES

36" Wood Burning Fireplaces

P/N 700,023M REV. C 06/2005

MODELS

CST-38

CPF-38

This installation manual will enable you to obtain a safe, efficient and dependable installation of your fireplace system. Please read and understand these instructions before beginning 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, chimney components and accessories, may void the warranty, listings and approvals of this system and could result in an unsafe and potentially dangerous installation.

IMPORTANT! TO ASSURE PROPER ALIGNMENT OF GLASS DOORS:

INSTALL THIS FIREPLACE IN A SQUARE AND PLUMB CONDITION,

USING SHIMS AS NECESSARY AT SIDES AND/OR BOTTOM.

RETAIN THESE INSTRUCTIONS

FOR FUTURE REFERENCE

OTL Report No. 116-F-20-4

 

 

 

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

1

TABLE OF CONTENTS

 

 

Safety Rules ....................................

page

2

Tools and Building Supplies ............

page

2

Precautions .....................................

page

3

Introduction .....................................

page

3

Clearances/Height Requirements .....

page

3

Chimney System .............................

page

4

Assembly Outline .............................

page

4

Location of Fireplace .......................

page

4

Assembly Steps ...............................

page

5

Preinstallation Notes ........................

page

5

Clearances .......................................

page

5

Installing the Fireplace .....................

page

5

Fireplace Specifications ..................

page

7

Framing Specifications ....................

page

8

Framing Wall Variations ..................

page

9

Installing the Chimney System ........

page 10

Ten Foot Rule Summary ..................

page 13

Multiple Terminations ......................

page 13

Chimney Component Calculations ...

page 13

Special Offset Instructions ...............

page 13

Vertical Elevation Chart ...................

page 14

Offset Elevation Chart .....................

page 15

Offset Calculations ...........................

page 16

Installing Offsets ..............................

page 16

30° Offset through Floor/Ceiling ......

page 17

Glass Doors .....................................

page 17

Optional Equipment Considerations . page 17

Combustion Air Kits ........................

page 17

Gas Line Connection ........................

page 18

Cold Climate Insulation ....................

page 18

Fireplace Finishes ............................

page 18

Mantels and Trim .............................

page 18

Hearth Extensions/Wall Shields .......

page 18

Finish Requirements ........................

page 20

Accessories And Components .........

page 20

IMPORTANT: PLEASE READ AND UNDERSTAND THESE RULES TO FOLLOW FOR SAFETY.

1. Before starting your fireplace installation, read these installation instructions carefully to be sure you understand them completely and in entirety. Failure to follow them could cause a fireplace malfunction resulting in serious injury and/or property damage.

2

2.Always check your local building codes. The installation must comply with all local, regional, state and national codes and regulations.

3.These fireplaces must be installed with Security Chimneys FTF8 (8" inside diameter) Chimney System only. These systems are intended for use in any application where a traditional masonry type fireplace would apply. The chimney system must always vent to the outside of the building.

4.To ensure a safe fireplace system and to prevent the build-up of soot and creosote, inspect and clean the fireplace and chimney prior to use and periodically during the heating season.

5.Use solid fuel only. DO NOT use artificial wax based logs, chemical chimney cleaners or flame colorants in your fireplace.

6.DO NOT use charcoal or coal under any circumstances.

7.NEVER use gasoline, gasoline-type lantern fuel, kerosene, charcoal lighter fluid, or similar liquids to start or “freshen up” a fire in this fireplace. Keep any flammable liquids a safe distance from the fireplace.

8.NEVER leave children unattended when there is a fire burning in the fireplace.

9.Always keep flue damper open when heat is present in the fireplace.

10.Before servicing, allow the fireplace to cool. Always shut off any electricity or gas to the fireplace while working on it. This will prevent any possible electrical shock or burns.

11.This fireplace is not intended to heat an entire home or be used as a primary heat source. It is designed to ensure homeowner comfort by providing supplemental heat to the room.

12.Always ensure an that adequate supply of replacement combustion air from the outside of the house is accessible to the fire to support normal combustion. Fireplaces consume large volumes of air during the normal combustion process. In the event the home is tightly sealed with modern energy efficient features, the optional combustion air kit may not provide all the air required to support combustion.

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

The manufacturer is not responsible for any smoking or related problems that may result from the lack of adequate combustion air. It is the responsibility of the builder/contractor to ensure that adequate combustion air has been provided for the fireplace.

13. DO NOT use a fireplace insert or any other products not specified herein by the manufacturer for use with this fireplace. All gas log sets must be operated with the damper clamped open.

WARNING: THIS FIREPLACE HAS NOT BEEN TESTED WITH AN UNVENTED GAS LOG SET. TO REDUCE RISK OF FIRE OR INJURY, DO NOT INSTALL AN UNVENTED GAS LOG SET INTO THIS FIREPLACE.

14."Smoke free” operation is not warranteed nor are we responsible for inadequate system draft caused by mechanical systems, general construction conditions, inadequate chimney heights, adverse wind conditions and/or unusual environmental factors or conditions beyond our control.

15.Never, under any circumstances, install a fireplace, chimney component or any accessories, that has visible or suspected physical damage as a result of handling or transportation. These items should be inspected by your distributor or qualified factory representative to ensure safe condition. When in doubt, consult your distributor.

16.For additional safety considerations and complete operating instructions, refer to the Care and Operation Manual provided with the fireplace.

TOOLS AND BUILDING SUPPLIES NORMALLY REQUIRED

Tools should Include:

Phillips screwdriver

Hammer

Saw and/or sabersaw

Level

Measuring tape

Plumb line

Electric drill and bits

Pliers

Square

Building supplies: Framing materials

Wall finishing materials

Caulking materials (noncombustible) Fireplace surround and hearth extension materials (noncombustible)

PRECAUTIONS

Note: These fireplace systems are not difficult to install. However, in the interest of safety, it is recommended that the installer be a qualified or certified “tradesman” familiar with commonly accepted fireplace installation and safety techniques as well as prevailing local codes.

The most important areas of concern dealing with the installation of factory-built fireplaces are clearances to combustible materials, proper assembly of component parts, height of the chimney system, the proper use of accessories supplied by the manufacturer and the techniques employed in using finishing materials applied to the wall surrounding the fireplace, hearth extensions and wall shields. Each of these topics will be covered in thorough detail throughout this manual. Please give each your special attention as you progress with your installation.

INTRODUCTION

General Information

The CST-38 and CPF-38 Series are radiantheat, two-sided and three-sided fireplaces with required glass doors, that must be ordered separately. A steel grate is included with the CST-38 and CPF-38 to properly position the fire. An outside combustion air kit is available as optional equipment.

Note: Illustrations shown reflect “typical” installations with nominal dimensions and are for design and framing reference only. Actual installations may vary due to individual design preferences.However,alwaysmaintainminimumclearances to combustible materials and do not violate any specific installation requirements.

These fireplaces have been tested and listed by Omni Test Labs (Report No. 116-F-20-4) to U.L. standard 127. These units are intended for installation in residential homes and other buildings of conventional construction including commercial, not in mobile homes.

These fireplace systems are designed for installation in accordance with the National Fire Protection Standard for chimneys, fireplaces and solid fuel burning appliances; NFPA 211 and in accordance with codes such as the BOCA Basic/National Codes, the Standard Mechanical Code and the Uniform Building Codes.

WARNING: FAILURE TO USE MANUFACTURE PROVIDED PARTS, VARIATIONS IN TECHNIQUES AND CONSTRUCTION MATERIALS OR PRACTICES OTHER THAN THOSE DESCRIBED IN THIS MANUAL MAY CREATE A FIRE HAZARD AND VOID THE LIMITED WARRANTY.

TYPICAL INSTALLATION

Chimney and

Termination

Model CPF-38

Model CST-38

Figure 1

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

The CST and CPF systems consists of four “subsystems”:

1.The Fireplace and Door Assemblies

2.The Chimney and Termination

3.The Optional Combustion Air Kit

4.The Chimney Air Kit (Canada Only)

CLEARANCES AND HEIGHT

REQUIREMENTS

The fireplace may be placed on or near normal construction materials*. The combustion air kit, firestop spacer and roof flashing (not chase flashings) may be placed directly on or against normal construction materials.* The chimney and fireplace outer wrapper require a minimum 2" and 1" air space to combustibles respectively. A combustible mantle may be installed 12" above the opening of the fireplace as per NFPA 211, Section 7-2.3.3.

The CPF-38 fireplace opening must be kept a minimum of 8" (203 mm) from an unprotected combustible side wall. The CST-38 fireplace opening must be kept a minimum of 8" (203 mm) from a protected combustible side wall. A perpendicular side wall can not be closer that 7" (178 mm) for both the CPF-38 and CST-38 fireplaces. If there is a continuous perpendicular side wall closer than 18" from the CST-38 fireplace opening, it must be protected with a 40" x 40" x ¹⁄" (1016 mm x 1016 mm x 13 mm) wall shield constructed of millboard or a durable noncombustible material with an equal or greater insulating value than k=.84 BTU IN/FT2 HR ° F (refer to page 18).

As with all chimney installations, avoid overhead obstructions such as trees, power lines, etc. Additionally chimney terminations must meet certain clearance to roof requirements detailed in the paragraph titled Ten-Foot Rule Summary.

The fireplace and chimney system must be enclosed when installed in or passing through a living area where combustibles or people may come in contact with it. This is important to prevent possible personal injury or fire hazard.

*Construction Materials:

 

• framing materials

• paneling

• particle board

• flooring

• millboard

• dry wall

• plywood

• etc.

3

For questions, please call your distributor or the manufacturer. Special restrictions apply to the front and facing of the fireplace and nearby walls (See pages 18, 19 and 20 ).

CHIMNEY SYSTEM

These fireplaces are designed and code listed for use with Security Chimneys FTF8 chimney System only. Always use Security Chimneys FTF8 chimney components with these fireplaces. Do not modify or alter these components as this may cause a potential serious hazard and void the Warranty.

Insulate Joists

Same As Ceiling

Draft Stops

Firestop

CTDT

Termination

Note: Non-

Combustible

Chase

Flashing

Must Be

Used To

Cover

Chase

Opening

Optional

Insulation

In Outside

Walls Of

Chase

8' Level

Solid

Continuous

Surface

 

Outside

Insulation

Base

(Thermal Barrier)

 

Figure 2

4

WARNING: IF INSULATION IS USED, THE FIREPLACE MUST NOT BE PLACED DIRECTLY AGAINST IT. INSULATION OR VAPOR BARRIERS, IF USED, MUST FIRST BE COVERED WITH GYPSUM BOARD, PLYWOOD, PARTICLE BOARD OR OTHER MATERIAL TO ASSURE INSULATION AND VAPOR BARRIERS REMAIN IN PLACE.

WARNING: DO NOT PACK OR FILL REQUIRED AIR SPACES WITH INSULATION OR OTHER MATERIAL. NO MATERIAL IS ALLOWED IN THESE AREAS.

Note: Do not insulate the chase cavity with blown or fill type insulation materials.

Note: Local codes may not require firestopping at the ceiling levels for outside chase installations. However, it is recommended for safety and the reduction of heat loss.

Chimney Height

The total height of your CST and CPF fireplace systems from the surface the fireplace rests on to the chimney top must not exceed 80' (24.4m) and must also meet minimum system height chart.

Minimum System Height

Model CST-38

Security's

and CPF-38

FTF8

 

 

Vertical Installation

15' 0" (4.6 m)

 

 

One Offset

16' 0" (4.9 m)

 

 

Two Offsets

25' 0" (7.6 m)

 

 

Chase Enclosure

A chase is a vertical box-like structure constructed to surround the fireplace and chimney. Refer to Figure 2 for a typical chase configuration. A chase should be constructed and insulated just like any outside wall. In a cold climate, we recommend the base of the chase should also be insulated between the solid continuous floor beneath the fireplace and the chase bottom. Chase insulation in a cold climate installation is not required for safety.

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

ASSEMBLY OUTLINE

Before You Start

Check your inventory list to be sure you have all the necessary parts supplied in good usable condition. Check also for any concealed damage.

Check the operation of the damper. The damper is controlled through the use of a control lever located within the firebox opening at the top center just behind the firebox lintel (Figure 3 ). The control lever snaps into place at the extreme range of motion, up and back in the closed position. When pulled forward and down, the damper is open.

Damper

Damper

Closed

Open

Lintel

 

Figure 3

LOCATION OF FIREPLACE

Carefully select the proper location for heat circulation, aesthetics, chimney obstructions and clearance to side wall(s). With proper preplanning, a slight adjustment of a few inches can save considerable time and expense later during construction and assembly.

Figure 4

Carefully consider the position of the fireplace opening with respect to the location of adjacent or nearby stairwells, bath or kitchen exhaust fans and/or return air registers for forced air furnaces/air conditioners that could cause a smoking fireplace condition if the house is tightly insulated.

This system is intended to be installed in residential homes and buildings of conventional construction, not in mobile homes.

When locating the fireplace, consideration must be given to combustibles and final finishing. For an example of this, see Figure 5 and confine the final location of combustible finish materials to the "Safe Zone".

DO NOT permanently place furniture or other items such as decorative pillows within 60" of the fireplace front face.

 

Black Portion Of Frame

 

Not To Be Covered With

 

Combustible Materials

 

Wall

12”

Covering

 

45°

1”

Door

Opening

12” Safe

Zone

Figure 5

ASSEMBLY STEPS

Note: The following steps represent the normal sequence of installation. Each installation is unique, however, and might require a different sequence.

1.Position firebox prior to framing or into prepared framing.

2.Install the chimney air kit (Canada only)

3.Install the chimney system.

4.Install optional outside combustion air kit.

5.Plumb gas line if a decorative gas appliance will be used. (Gas connections should only be performed by an experienced, licensed/certified tradesman).

6.Install both “All-GlassTM” door assemblies.

7.Complete finish wall material, surround and hearth extension to your individual taste.

Study the three dimensional illustration (Figure 1 ) to get a general idea of each element of your fireplace system.

PRE-INSTALLATION NOTES

The fireplace may be installed directly on a combustible floor or raised on a platform of an appropriate height. Do not place fireplace on carpeting, vinyl or other soft floor coverings. It may, however, be placed on flat wood, plywood, particle board or other hard surfaces. Be sure fireplace rests on a solid continuous floor or platform with appropriate framing for support and so that no cold air can enter the room from under the fireplace.

The fireplace may be positioned and then the framing built around it, or the framing may be constructed and the fireplace positioned into the opening.

Usually, no special floor support is needed for the fireplace, however, to be certain:

1.Estimate the total weight of the fireplace system including chimney and surround materials such as brick, stone, etc., to be installed. Shipping weights for the fireplace may be found on page 18.

2.Measure the square footage of the floor space to be occupied by the system, surrounds and hearth extensions.

3.Note the floor construction, i.e. 2 x 6’s, 2 x 8’s or 2 x 10’s, single or double joists, type and thickness of floor boards.

4.Use this information and consult your local building code to determine if you need additional support.

CAUTION: DO NOT BLOCK THE HEAT-CIRCU- LATING AIR INLET AND OUTLET PORTS ON CIRCULATING MODELS. DOING SO MAY RESULT IN A POTENTIAL FIRE HAZARD.

If you plan to raise the fireplace and hearth extension, build the platform assembly then position fireplace and hearth extension on top. Secure the platform to the floor to prevent possible shifting.

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

CLEARANCES

Minimum clearance to combustibles for the appliance is as follows: sides and back - 1" (25 mm), floor - 0" (0 mm), adjacent wall - 12" (305 mm), ceiling - 37 ¹⁄ " (953 mm).

INSTALLING THE FIREPLACE

Step 1. Slide the fireplace into prepared framing or position fireplace in its final position and frame later.

The fireplace may not be recessed into a combustible floor. Maintain the floor to hearth clearance established by the fireplace lower front face.

Step 2. Insert the provided metal safety strips, beneath the fireplace as illustrated (Figures 6, 7 and 8 ). The safety strips should overlap ¹⁄ " for continual coverage of the floor.

Note: Safety strips are not required when fireplace rests on a noncombustible surface.

Hearth

Metal Safety

Hearth

Extension

Extension

 

Strips

 

Floor

 

Floor

Figure 6

Hearth

Metal Safety

Hearth

Extension

Strips

Extension

 

Platform

Floor

Figure 7

Note: Install the hearth extension only as illustrated.

5

Platform

Metal

Safety Strips

2" Min. (51 mm)

Figure 8

*

Metal

 

Safety Strips

* 2" Min.

*

(51 mm)

Figure 9

The safety strips should extend in front and sides of the fireplace opening 2" (51 mm) . In the event a wooden support is used to elevate the fireplace above the floor, a “Z” type safety strip should be fabricated and used to protect the front surface of the wood support as well as the floor beneath the hearth extension (see Figures 8, 9, 10, and 11 ). The safety strips should be tacked down to prevent possible movement.

Note: The “Z” type safety strip is not supplied.

Step 3. Refer to fireplace drawings and specifications on pages 7 and 8 for framing dimensions and details. False header may be positioned directly on top of the fireplace spacers (see Figures 12, 13 and 14 ).

6

*

*

*

* 2" Min. (51 mm)

Figure 10

*

 

 

*

* 2" Min.

*

Special “Z”

(51 mm)

 

Metal Safety Strips

Figure 11

IMPORTANT: UNDER NO CIRCUMSTANCES CAN THE FIREPLACE TOP SPACERS (FIGURE 12 ) BE REMOVED OR MODIFIED, NOR MAY YOU NOTCH THE HEADER TO FIT AROUND OR BE INSTALLED LOWER THAN THE SPACERS. THE HEADER MAY BE IN DIRECT CONTACT WITH THE TOP SPACERS BUT MAY NOT BE SUPPORTED BY THEM.

4 x 6 Header

2 x 4 False

Header

Spacer

Figure 12

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

If the appliance is to be elevated above floor level, a solid continuous platform must be constructed.

The header may rest on the top metal spacers, but must not be notched to fit around them.

Consult all local codes.

No Combustible

Materials in

Shaded Areas

Figure 13

No

Combustible

Materials in

Shaded Areas

Figure 14

FIREPLACE SPECIFICATIONS

12 ¹⁄ " (318 mm)

 

10 ¹⁄ "

 

 

 

(267 mm)

 

 

 

5 ¹⁄ "

 

 

48 ³⁄ "

(133 mm)

 

 

(1238 mm)

 

 

 

 

32"

 

 

 

(813 mm)

 

 

 

21"

25 ³⁄ "

23 ¹ ⁄ "

 

(640 mm)

(608 mm)

 

(533 mm)

 

 

8"

 

 

 

 

 

 

(203 mm)

 

5 ³⁄ "

39

¹⁄ "

 

(146 mm)

 

(997 mm)

 

 

 

38" (965 mm)

 

 

39 ¹⁄ " (997 mm)

 

Top View

 

Left Front View

Model CPF-38

12 ¹⁄ " (318 mm)

12 ¹⁄ " (318 mm)

10 ¹⁄ "

 

 

 

 

 

(267 mm)

 

 

 

 

 

5 ¹⁄ "

 

 

 

 

 

(133 mm)

 

 

 

 

48 ³⁄ "

48 ³⁄ "

 

 

 

 

(1238 mm)

 

 

 

 

 

(1238 mm)

32"

42

¹⁄ "

 

 

(813 mm)

 

 

(1080 mm)

Combustion Air

 

 

 

 

 

 

 

 

 

21"

 

 

 

 

 

(533 mm)

 

 

 

 

3 ⁄ "

 

 

 

 

 

(98 mm)

5 ³⁄ "

 

 

 

8 ¹³⁄ "

8 ⁄ "

(146 mm)

 

 

 

(224 mm)

(217 mm)

38" (965 mm)

39 ¹⁄ " (997 mm)

End View

Front View

Model CST-38

Figure 15

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

7

FRAMING SPECIFICATIONS

4 x 4 Header

2 x 4 False Header

(Optional)

 

39 ¹⁄ "

49"

23 ¹ ⁄ "

(994 mm)

 

(1245 mm)

(608 mm)

 

 

 

42 ³⁄ "

7" Min. (1086 mm) (178 mm)

CPF

Figure 16

42 ³⁄ "

(1086 mm)

CPF - Right Front View

Figure 17

49" (1245 mm)

CPF - End View

Figure 18

4 x 4 Header

2 x 4 False Header

(Optional)

42 ³⁄ "

 

(1086 mm)

 

49"

 

(1245 mm)

 

7" Min.

 

(178 mm)

23 ¹ ⁄ "

40 ¹⁄ "

(608 mm)

 

(1022 mm)

 

CST

Figure 19

42 ³⁄ "

(1086 mm)

CST - Front View

Figure 20

49" (1245 mm)

CST - End View

Figure 21

8

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.

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