Heat & Glo st-42tvfl User Manual

Models:
PIER-TVFL
ST-42TVFL

WARNING: IF THE INFORMATION
IN THESE INSTRUCTIONS IS NOT
FOLLOWED EXACTLY, A FIRE OR
EXPLOSION MAY RESULT CAUS­ING PROPERTY DAMAGE, PER­SONAL INJURY, OR DEATH.

- Do not store or use gasoline or other flam­mable vapors and liquids in the vicinity of this
or any other appliance.

- What to do if you smell gas

• Do not try to light any appliance.

• Do not touch any electrical switch.

• Do not use any phone in your building.

• Immediately call your gas supplier from a

neighbor's phone. Follow the gas supplier's in­structions.

• If you cannot reach your gas supplier, call the

fire department.

- Installation and service must be performed by a
qualified installer, service agency, or the gas
supplier.

Installers Guide

Underwriters

Laboratories Listed

READ THIS MANUAL BEFORE INSTALLING OR
OPERATING THIS APPLIANCE. THIS INSTALLERS
GUIDE MUST BE LEFT WITH THE APPLIANCE
FOR FUTURE REFERENCE.

WARNING: IMPROPER INSTALLA­TION, ADJUSTMENT, ALTERATION,
SERVICE OR MAINTENANCE CAN
CAUSE INJURY OR PROPERTY DAM­AGE. REFER TO THIS MANUAL. FOR
ASSISTANCE OR ADDITIONAL INFOR­MATION CONSULT A QUALIFIED IN­STALLER, SERVICE AGENCY, OR THE
GAS SUPPLIER.

Please contact your Heat-N-Glo dealer with any
questions or concerns. For the number of your nearest
Heat-N-Glo dealer, please call 1-888-427-3973.

Printed in U.S.A. Copyright 2004,
Heat-N-Glo, a brand of Hearth & Home Technologies Inc.
20802 Kensington Boulevard, Lakeville, MN 55044

This product is covered by one or more of the following patents: (United States) 4,112,913; 4,408,594; 4,422,426; 4,424,792; 4,520,791; 4,793,322;
4,852,548; 4,875,464; 5,000,162; 5,016,609; 5,076,254 5,191,877; 5,218,953; 5,328,356; 5,429,495; 5,452,708; 5,542,407; 5,613,487; (Australia) 543790;
586383; (Canada) 1,123,296; 1,297,746; 2,195,264; (Mexico) 97-0457; (New Zealand) 200265; or other U.S. and foreign patents pending.

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455-900G 2/04

SAFETY AND WARNING INFORMATION

READ and UNDERSTAND all instructions carefully before starting the installation.

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FAILURE TO FOLLOW these installation instructions may result in a possible fire
hazard and will void the warranty.

Prior to the first firing of the fireplace, READ the Using Your Fireplace section of the

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Owners Guide.

DO NOT USE this appliance if any part has been under water. Immediately CALL a

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qualified service technician to inspect the unit and to replace any part of the control
system and any gas control which has been underwater.

THIS UNIT IS NOT FOR USE WITH SOLID FUEL.

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Installation and repair should be PERFORMED by a qualified service person. The
appliance and venting system should be INSPECTED before initial use and at least

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annually by a professional service person. More frequent cleaning may be required due
to excessive lint from carpeting, bedding material, etc. It is IMPERATIVE that the unit’s
control compartment, burners, and circulating air passageways BE KEPT CLEAN to
provide for adequate combustion and ventilation air.

Always KEEP the appliance clear and free from combustible materials, gasoline, and

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other flammable vapors and liquids.
NEVER OBSTRUCT the flow of combustion and ventilation air. Keep the front of the

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appliance CLEAR of all obstacles and materials for servicing and proper operations.
Due to the high temperature, the appliance should be LOCATED out of traffic areas

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and away from furniture and draperies. Clothing or flammable material SHOULD NOT
BE PLACED on or near the appliance.

Children and adults should be ALERTED to the hazards of high surface temperature

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and should ST AY AWAY to avoid burns or clothing ignition. Young children should be
CAREFULL Y SUPERVISED when they are in the same room as the appliance.

These units MUST use one of the vent systems described in the Installing the Fireplace

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section of the Installers Guide. NO OTHER vent systems or components MAY BE USED.
This gas fireplace and vent assembly MUST be vented directly to the outside and

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MUST NEVER be attached to a chimney serving a separate solid fuel burning
appliance. Each gas appliance MUST USE a separate vent system. Common vent
systems are PROHIBITED.

INSPECT the external vent cap on a regular basis to make sure that no debris is

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interfering with the air flow.
The glass door assembly MUST be in place and sealed, and the trim door assembly

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MUST be in place on the fireplace before the unit can be placed into safe operation.
DO NOT OPERA TE this appliance with the glass door removed, cracked, or broken.

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Replacement of the glass door should be performed by a licensed or qualified service
person. DO NOT strike or slam the glass door.

The glass door assembly SHALL ONLY be replaced as a complete unit, as supplied

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by the gas fireplace manufacturer. NO SUBSTITUTE material may be used.
DO NOT USE abrasive cleaners on the glass door assembly. DO NOT ATTEMPT to

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clean the glass door when it is hot.
Turn off the gas before servicing this appliance. It is recommended that a qualified

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service technician perform an appliance check-up at the beginning of each heating
season.

Any safety screen or guard removed for servicing must be replaced before operating

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this appliance.

DO NOT place furniture or any other combustible household objects within 36 inches

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of the fireplace front.

Safety and Warning Information ....................2

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Service Parts List...............................................4

Section 1: Approvals and Codes................ 10

Appliance Certification..........................................10

Installation Codes .................................................10

High Altitude Installations ......................................10

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Section 2: Getting Started .............................11

Introducing the Heat-N-Glo Gas Fireplaces .........11

Pre-installation Preparation ..................................11

Section 3: Installing the Fireplace .............. 14

Step 1 Locating the Fireplace............................14

Step 2 Framing the Fireplace............................15

Step 3 Negative Pressure Make-up Air..............16

Step 4 Installing the Vent System ......................18

A. Vent System Approvals ......................18

B. System Components.........................18

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C. Bedroom Installation in Canada ........20

D. Vent Termination ................................20

Step 5 Positioning, Leveling, and

Securing the Fireplace...........................21

Step 6 The Gas Control Systems .....................21

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Step 7 The Gas Supply Line..............................22

Step 8 Gas Pressure Requirements .................23

Step 9 Wiring the Fireplace...............................24

Step 10 Finishing .................................................25

Step 11 Installing Trim, Logs & Ember Material ..27

Table of Contents

Installing the Trim ...................................27

Positioning the Logs ...............................27

Placing the Ember Material ....................28

Step 12 Before Lighting the Fireplace .................29

Step 13 Lighting the Fireplace.............................29

After the Installation ..............................................29

Section 4: Maintaining and Servicing

Your Fireplace ............................. 30

u = Contains updated information.

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Approvals
and Codes

Approval Listings
and Codes

MODEL LABORATORY TYPE STANDARD

Pier-TVFL Underwriters B- Vent ANSI Z21.50•CGA2.22
ST-42TVFL Laboratories Decorative

Installation Codes

The fireplace installation must conform to local codes. Before installing the
fireplace, consult the local building code agency to ensure that you are in
compliance with all applicable codes, including permits and inspections.

In the absence of local codes, the fireplace installation must conform to the
National Fuel Gas Code ANSI Z223.1 (in the United States) or the CAN/CGA­B149 Installation Codes (in Canada). The appliance must be electrically
grounded in accordance with local codes or, in the absence of local codes with
the National Electric Code ANSI/NFPA No. 70 (in the United States), or to the
CSA C22.1 Canadian Electric Code (in Canada).

Appliance Certification

The Heat-N-Glo fireplace models discussed in this
Installers Guide have been tested to certification
standards and listed by the applicable laboratories.

CERTIFICATION

This model (natural gas and propane) can be installed in a bedroom (in the United
States) which has a total volume of unconfined space appropriate to the particular
installation. Refer to the National Fuel Gas Code ANSI Z223.1/NFPA54 (current
edition). The Uniform Mechanical Code - (current edition), and local Building
Officials for the options allowed in obtaining an effective bedroom volume of
unconfined space.

This model (natural gas and propane) can be installed in a bedroom (in Canada)
if a thermostat (Model WH-STAT) is installed with the unit. Consult local code
authorities. Detailed installation instructions for Model WH-STAT are included
with the kit.

High Altitude Installations

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U.L. Listed gas appliances are tested and approved without requiring changes for
elevations from 0 to 2,000 feet in the U. S. A. and in Canada.

When installing this appliance at an elevation above 2,000 feet, it may be necessary
to decrease the input rating by changing the existing burner orifice to a smaller
size. Input rate should be reduced by 4% for each 1000 feet above a 2000 foot
elevation in the U.S.A. or 10% for elevations between 2000 and 4500 feet in Canada.
If the heating value of the gas has been reduced, these rules do not apply. To
identify the proper orifice size, check with the local gas utility.

If installing this appliance at an elevation above 4,500 feet (in Canada), check with
local authorities.

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Consult your local gas utility for assistance in determining the proper orifice for
your location.

Heat-N-Glo Quality
Systems registered
by SGS ICS

Introducing the
Heat-N-Glo
Gas Fireplaces

Heat-N-Glo B-type vent gas fireplaces are designed to
operate with all exhaust gases expelled to the outside
of the building.

The information contained in this Installers Guide,
unless noted otherwise, applies to all models and gas
control systems.

Pre-installation
Preparation

Gas fireplace diagrams, including the dimensions, are
shown in this section.

This gas fireplace and its components are tested and
safe when installed in accordance with this Installers
Guide. Report to your dealer any parts damaged in
shipment, particularly the condition of the glass. Do

not install any unit with damaged, incomplete, or
substitute parts.

The vent system components are shipped in separate
packages. The gas logs are packed separately and
must be field installed. Read all of the instructions

before starting the installation. Follow these
instructions carefully during the installation to
ensure maximum safety and benefit. Failure to
follow these instructions will void the owner’s
warranty and may present a fire hazard.

The Heat-N-Glo Warranty will be voided by, and Heat­N-Glo disclaims any responsibility for, the following
actions:

• Installation of any damaged fireplace or vent system
component.

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Getting
Started

• Modification of the fireplace or vent system.

• Installation other than as instructed by Heat-N-Glo.

• Improper positioning of the gas logs or the glass
door.

• Installation and/or use of any component part not
manufactured and approved by Heat-N-Glo not
withstanding any independent testing laboratory or
other party approval of such component part or
accessory.

ANY SUCH ACTION MAY POSSIBLY CAUSE A
FIRE HAZARD.

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40 3/4 (1035mm)

21 5/8

VENT COLLAR

ELECTRICAL

4

(102mm)

4

(102mm)

2 1/2

(64mm)

GAS LINE

LEFT SIDE

FRONT

RIGHT SIDE

1/2"

TOP STANDOFFS

ACCESS

When planning a fireplace installation, it’s necessary to determine:

• Where the unit is to be installed.

• The vent system configuration to be used.

• Gas supply piping.

• Electrical wiring.

• Framing and finishing details.

• Whether optional accessories—devices such as a fan, wall switch, or remote

control—are desired.

If the fireplace is to be installed on carpeting or tile, or on any combustible
material other than wood flooring, the fireplace should be installed on a metal or
wood panel that extends the full width and depth of the fireplace.

(551mm)

24 1/4

(616mm)

12 1/8

(308mm)

ACCESS

41

(1043mm)

24 1/4

(616mm)

STANDOFFS

ELECTRICAL

ACCESS GAS LINE

36 7/8

(937mm)

36 7/8 (937mm)

RATING PLATES

& LABELS

GAS CONTROL

VALVE

2 1/2

(64mm)

ACCESS

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Figure 1. Diagram of the Pier-TVFL

24 1/4

(616mm)

VENT

21 5/8

(549mm)

41

(1042mm)

RIGHT SIDE

GAS LINE

ACCESS

GAS

CONTROL VALVE

ELECTRICAL

TOP STANDOFFS

1/2" STANDOFFS

12 1/8

(308mm)

2 1/2

(64mm)

ELECTRICAL

ACCESS

GAS LINE

ACCESS

2 1/2

(64mm)

36 1/8 (918mm)

43 (1093mm)

4

(102mm)

4 (102mm)

LEFT SIDE FRONT

ACCESS

COLLAR

36 7/8

(937mm)

RATING PLATE

Figure 2. Diagram of the ST-42TVFL

& LABELS

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3

PIER-TVFL

ST-42TVFL

36 "

GLASS

GLASS

36"

GLASS

GLASS

1"

VIEW

Installing the
Fireplace

Step 1
Locating the
Fireplace

The diagram below shows space and clearance
requirements for locating a fireplace within a room.

GLASS

36"

TOP

Figure 3. Fireplace Locations and Space
Requirements

Clearance Requirements

The top, back, and sides of the fireplace are defined
by stand-offs.

Minimum Clearances from the Fireplace to

Combustible Materials

Glass Back of Metal Ends Top of
Sides Floor Fireplace of Fireplace Fireplace Ceiling*

36 inches 0 1/2 inch 1/2 inch 4-1/2 inches 31 inches
(914 mm) (13 mm) (13 mm) (89 mm) (787 mm)

*

The clearance to the ceiling is measured from the top of
the unit, excluding any standoffs (see Figure 13).

The minimum clearance to a perpendicular wall extending
past the face of the fireplace is one inch (25 mm).

The metal end(s) of these fireplaces may NOT be
recessed into combustible construction.

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