Hearth and Home Technologies TRUE-36, TRUE-42, TRUE-50 User Manual

Models:
TRUE-36C TRUE-50C

TRUE-36H TRUE-50H
TRUE-36S TRUE-50S
TRUE-42C
TRUE-42H
TRUE-42S

Owner’s Manual

Installation and Operation

NOTICE

DO NOT DISCARD THIS MANUAL

• Important operating
and maintenance
instructions included.

WARNING: If the information in these
instructions is not followed exactly, a fi re
or explosion 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.

• 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 fi re department.

• Installation and service must be performed
by a qualifi ed installer, service agency , or the
gas supplier.

This appliance may be installed as an OEM installation in
manufactured home (USA only) or mobile home and must be
installed in accordance with the manufacturer’s instructions
and the manufactured home construction and safety standard,

Title 24 CFR, Part 3280 or Standard for Installation in Mobile
Homes, CAN/CSA Z240MH, in Canada.

This appliance is only for use with the type(s) of gas indicated
on the rating plate.

• Read, understand and follow
these instructions for safe
installation and operation.

DO NOT

DISCARD

• Leave this manual with
party responsible for use
and operation.

WARNING

HOT SURFACES!

Glass and other surfaces are hot during
operation AND cool down.

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.

This appliance has been supplied with an integral barrier
to prevent direct contact with the fi xed glass panel. DO
NOT operate the appliance with the barrier removed.

Contact your dealer or Hearth & Home Technologies if the
barrier is not present or help is needed to properly install one.

In the Commonwealth of Massachusetts installation must be
performed by a licensed plumber or gas fi tter.

See Table of Contents for location of additional Commonwealth
of Massachusetts requirements.

Installation and service of this appliance should be
performed by qualifi ed personnel. Hearth & Home
Technologies suggests NFI certifi ed or factory trained
professionals, or technicians supervised by an NFI
certifi ed professional.

Heat & Glo •

TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12

1

Read this manual before installing or operating this appliance.

Please retain this owner’s manual for future reference.

A. Congratulations

Congratulations on selecting a Heat & Glo gas fi replace, an
elegant and clean alternative to wood burning fi replaces.
The Heat & Glo gas fi replace you have selected is designed
to provide the utmost in safety, reliability, and effi ciency.

As the owner of a new fi replace, you’ll want to read and
carefully follow all of the instructions contained in this
owner’s manual. Pay special attention to all cautions and
warnings.

Homeowner Reference Information

This owner’s manual should be retained for future
reference. We suggest that you keep it with your other
important documents and product manuals.

The information contained in this owner’s manual, unless
noted otherwise, applies to all models and gas control
systems.

Your new Heat & Glo gas fi replace will give you years of
durable use and trouble-free enjoyment. Welcome to the
Heat & Glo family of fi replace products!

We recommend that you record the following pertinent
information about your fi replace.

Model Name: ___________________________________________ Date purchased/installed: __________________
Serial Number: __________________________________________ Location on fi replace: _____________________
Dealership purchased from: _______________________________ Dealer Phone: __________________________
Notes: _______________________________________________________________________________________
_____________________________________________________________________________________________

Listing Label Information/Location

Type of Gas

Gas and Electric
Information

Not Not for for use use with with solid solid fuel.fuel.
((Ne Ne doit doit pas pas entre entre utilise utilise avec avec un un combustible combustible solide).solide).

Type Type o f of Gas Gas (Sorte (Sorte De De Gaz)Gaz)::

NNAATURALTURAL GASGAS

Minimum Minimum Permissible Permissible Gas Gas Supply Supply for for Purposes Purposes of of Input Input Adjustment.Adjustment.
Approved Approved Minimum Minimum (De (De Gaz) Gaz) AcceptableAcceptable 0.00.0 in in w.c.w.c. (Po. (Po. Col. Col. d’eau)d’eau)
Maximum Maximum Pressure Pressure (Pression)(Pression) 0.00.0 in in w.c.w.c. (Po. (Po. Col. Col. d’eau)d’eau)
Maximum Maximum Manifold Manifold Pressure Pressure (Pression)(Pression) 0.00.0 in in w.c.w.c. (Po. (Po. Col. Col. d’eau)d’eau)
Minimum Minimum Manifold Manifold Pressure Pressure (Pression)(Pression) 0.00.0 in in w.c.w.c. (Po. (Po. Col. Col. d’eau)d’eau)
Total Total Electrical Electrical Requirements: Requirements: 000Vac, 000Vac, 00Hz., 00Hz., less less than than 00 00 AmperesAmperes

ALTITUDE:ALTITUDE: 0-0000 0-0000 FT.FT. 0000-0000FT.0000-0000FT.
MAX. MAX. INPUT INPUT BTUH:BTUH: 00,00000,000 00,00000,000
MIN. MIN. INPUT INPUT BTUH:BTUH: 00,00000,000 00,00000,000
ORIFICE ORIFICE SIZE:SIZE: #XXXXX#XXXXX #XXXXX#XXXXX

The model information regarding your specifi c fi replace can be found on
the rating plate usually located in the control area of the fi replace.

Heat & Glo, a brand of Hearth & Home Technologies, Inc.
7571 215th Street West, Lakeville, MN 55044

This This appliance appliance must must be be installed installed in in accordance accordance with with local local codes, codes, if if any; any; if if not, not, follow follow ANSI ANSI Z223.1Z223.1
in in the the USA USA or or CAN/CGA CAN/CG A B149 B149 installation installation codes. codes. (Installer (Installer l ’appareil l’appareil selon selon les les codes codes ou ou reglementsreglements

locaux locaux ou, ou, en en l’absence l’absence de de tels tels reglements, reglements, selon selon les les codes codes d’installation d’installation CAN/CGA-B149.)CAN/CGA-B149.)

ANSI ANSI Z21XX-XXXX Z21XX-XXXX · · CSA CSA 2.XX-MXX 2.XX-MXX · · UL307BUL307B

IN IN CANADACANADA

Model:Model:

(Modele):(Modele):

SerialSerial

(Serie):(Serie):

XXXXXXXXXXXXXXXX

XXXXXXXXXXXXXXXX

MADE MADE IN IN USAUSA

Model Number

Serial Number

2

Heat & Glo • TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12

Safety Alert Key:

• DANGER! Indicates a hazardous situation which, if not avoided will result in death or serious injury.

• WARNING! Indicates a hazardous situation which, if not avoided could result in death or serious injury.

• CAUTION! Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.

• NOTICE: Used to address practices not related to personal injury.

Table of Contents

A. Congratulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

B. Limited Lifetime Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1 Listing and Code Approvals

A. Appliance Certifi cation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

B. Glass Specifi cations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

C. BTU Specifi cations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

D. High Altitude Installations . . . . . . . . . . . . . . . . . . . . . . . . . . 7

E. Non-Combustible Materials Specifi cation. . . . . . . . . . . . . . 7

F. Combustible Materials Specifi cation . . . . . . . . . . . . . . . . . 7

G. Electrical Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

H. Requirements for the Commonwealth of Massachusetts . . 8

User Guide

2 Operating Instructions

A. Gas Fireplace Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

B. Your Fireplace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

C. Clear Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

D. Decorative Doors and Fronts . . . . . . . . . . . . . . . . . . . . . . 10

E. Fixed Glass Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

F. Remote Controls, Wall Controls and Wall Switches . . . . . 10

G. IPI Battery Tray/Battery Installation . . . . . . . . . . . . . . . . . 10

H. Rating Plate/Glass Clip Tool Location . . . . . . . . . . . . . . . 10

I. Control Module Operation . . . . . . . . . . . . . . . . . . . . . . . . 11

J. Before Lighting Fireplace . . . . . . . . . . . . . . . . . . . . . . . . . 11

K. Lighting Instructions (IPI) . . . . . . . . . . . . . . . . . . . . . . . . . 12

L. After Fireplace is Lit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

M. Frequently Asked Questions . . . . . . . . . . . . . . . . . . . . . . 13

3 Maintenance and Service

A. Maintenance Tasks-Homeowner . . . . . . . . . . . . . . . . . . . 14

B. Maintenance Tasks-Qualifi ed Service Technician . . . . . . 15

Installer Guide

4 Getting Started

A. Typical Appliance System. . . . . . . . . . . . . . . . . . . . . . . . . 17

B. Design and Installation Considerations . . . . . . . . . . . . . . 18

C. Tools and Supplies Needed . . . . . . . . . . . . . . . . . . . . . . . 18

D. Inspect Appliance and Components . . . . . . . . . . . . . . . . . 18

5 Framing and Clearances

A. Selecting Appliance Location . . . . . . . . . . . . . . . . . . . . . . 19

B. Constructing the Appliance Chase . . . . . . . . . . . . . . . . . . 20

C. Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

D. Mantel and Wall Projections . . . . . . . . . . . . . . . . . . . . . . . 21

E. Hearth Extension . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23



6 Termination Locations

A. Vent Termination Minimum Clearances . . . . . . . . . . . . . . 24

7 Vent Information and Diagrams

A. Approved Pipe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

B. Vent Table Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

C. Use of Elbows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

D. Measuring Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

E. Vent Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

F. PVK-80 and PVI-SLP Information . . . . . . . . . . . . . . . . . . 33

8 Vent Clearances and Framing

A. Pipe Clearances to Combustibles . . . . . . . . . . . . . . . . . . 34

B. Wall Penetration Framing . . . . . . . . . . . . . . . . . . . . . . . . . 34

C. Install the Ceiling Firestop . . . . . . . . . . . . . . . . . . . . . . . . 35

D. Install Attic Insulation Shield . . . . . . . . . . . . . . . . . . . . . . . 36

E. Installing the Optional Heat-Zone® Gas Kit . . . . . . . . . . . 36

9 Appliance Preparation

A. Vent Preparation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

B. Securing and Leveling the Appliance . . . . . . . . . . . . . . . . 38

C. Installing Non-combustible Facing Material . . . . . . . . . . . 39

10 Installing Vent Pipe (DVP Pipe)

A. Assemble Vent Sections. . . . . . . . . . . . . . . . . . . . . . . . . . 40

B. Secure the Vent Sections . . . . . . . . . . . . . . . . . . . . . . . . . 41

C. Disassemble Vent Sections . . . . . . . . . . . . . . . . . . . . . . . 41

D. Install Metal Roof Flashing . . . . . . . . . . . . . . . . . . . . . . . . 42

E. Assemble and Install Storm Collar . . . . . . . . . . . . . . . . . . 42

F. Install Vertical Termination Cap . . . . . . . . . . . . . . . . . . . . 43

G. Heat Shield Requirements for Horizontal Termination . . . 43

H. Install Horizontal Termination Cap . . . . . . . . . . . . . . . . . . 43

11 Gas Information

A. Fuel Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

B. Gas Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

C. Gas Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

D. High Altitude Installations . . . . . . . . . . . . . . . . . . . . . . . . . 44

12 Electrical Information

A. Wiring Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

B. IntelliFire PlusTM Ignition System Wiring . . . . . . . . . . . . . . 45

C. Optional Accessories Requirements . . . . . . . . . . . . . . . . 45

D. Electrical Service and Repair . . . . . . . . . . . . . . . . . . . . . . 46

E. Junction Box Installation. . . . . . . . . . . . . . . . . . . . . . . . . . 46

13 Finishing

A. Finishing Templates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

B. Splatter Guard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

C. Mantel and Wall Projections . . . . . . . . . . . . . . . . . . . . . . . 49

D. Facing Material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

E. Doors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Heat & Glo •

TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12

3

14 Appliance Setup

A. Remove Fixed Glass Assembly . . . . . . . . . . . . . . . . . . . . 53

B. Remove the Shipping Materials . . . . . . . . . . . . . . . . . . . . 53

C. Clean the Appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

D. Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

E. Install Teco-Sil and Mystic Embers . . . . . . . . . . . . . . . . . 53

F. Glowing Ember Placement . . . . . . . . . . . . . . . . . . . . . . . . 54

G. LED’s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

H. Install the Log Assembly . . . . . . . . . . . . . . . . . . . . . . . . . 55

I. Fixed Glass Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

J. Air Shutter Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

15 Troubleshooting

A. IntelliFire Plus™ Ignition System . . . . . . . . . . . . . . . . . . . 64

16 Reference Materials

A. Appliance Dimension Diagram . . . . . . . . . . . . . . . . . . . . . 66

B. Vent Components Diagrams . . . . . . . . . . . . . . . . . . . . . . 68

C. Service Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

D. Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

 = Contains updated information.

4

Heat & Glo • TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12

B. Limited Lifetime Warranty

g

y

y p

p

y

y

y

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Hearth & Home Technologies Inc.

LIMITED LIFETIME WARRANTY

Hearth & Home Technologies Inc., on behalf of its hearth brands (”HHT”), extends the following warranty for
HHT gas, wood, pellet, coal and electric hearth appliances that are purchased from an HHT authorized dealer.

WARRANTY COVERAGE:

HHT warrants to the original owner of the HHT appliance at the site of installation, and to any transferee taking ownership
of the appliance at the site of installation within two years following the date of original purchase, that the HHT appliance
will be free from defects in materials and workmanship at the time of manufacture. After installation, if covered compo­nents manufactured by HHT are found to be defective in materials or workmanship during the applicable warranty period,
HHT will, at its option, repair or replace the covered components. HHT, at its own discretion, may fully discharge all of its
obligations under such warranties by replacing the product itself or refunding the verified purchase price of the product
itself. The maximum amount recoverable under this warranty is limited to the purchase price of the product. This warranty
is subject to conditions, exclusions and limitations as described below.

WARRANTY PERIOD:

Warranty coverage begins on the date of original purchase. In the case of new home construction, warranty coverage
begins on the date of first occupancy of the dwelling or six months after the sale of the product by an independent,
authorized HHT dealer/ distributor, whichever occurs earlier. The warranty shall commence no later than 24 months
following the date of product shipment from HHT, regardless of the installation or occupancy date. The warranty period for
parts and labor for covered components is produced in the following table.

The term “Limited Lifetime” in the table below is defined as: 20 years from the beginning date of warranty coverage for
gas appliances, and 10 years from the beginning date of warranty coverage for wood, pellet, and coal appliances. These
time periods reflect the minimum expected useful lives of the designated components under normal operating conditions.

Warranty Period HHT Manufactured Appliances and Venting

Parts Labor Gas Wood Pellet

EPA

Wood

Coal Electric Venting

Components Covered

All parts and material except as

1 Year

XXXXXXX

covered by Conditions,

Exclusions, and Limitations

listed

Igniters, electronic components,

and

lass

-installed blowers

2 years

XXX

XXXXX Factor

X Molded refractor

3 years

ears 1 year X X Castings and baffles

5

7 years 3 years X X X

10

ears

Limited

Lifetime

1 year X Burners, logs and refractory

3 yearsXXXXX Firebox and heat exchanger

XFire

HHT chimne

ots and burnpots

Manifold tubes,

and termination

anels

90 Days

4021-645C 12-29-10 Page 1 of 2

XXXXXXX

See conditions, exclusions, and limitations on next page.

Heat & Glo •

TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12

All replacement parts

ond warranty period

be

5

B. Limited Lifetime Warranty (continued)

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4021-645C 12-29-10 Page 2 of 2

6

Heat & Glo • TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12

1

Listing and Code Approvals

1

A. Appliance Certifi cation

MODELS: TRUE-36C, TRUE-36H, TRUE-36S,
TRUE-42C, TRUE-42H, TRUE-42S
TRUE-50C, TRUE-50H, TRUE-50S

LABORATORY: Underwriters Laboratories, Inc. (UL)
TYPE: Direct Vent Gas Appliance Heater
STANDARD: ANSI Z21.88-2009 • CSA 2.33-2009

This product is listed to ANSI standards for “Vented Gas
Appliance Heaters” and applicable sections of “Gas Burn­ing Heating Appliances for Manufactured Homes and
Recreational Vehicles”, and “Gas Fired Appliances for
Use at High Altitudes”.

NOTICE: This installation must conform with local codes.
In the absence of local codes you must comply with the
National Fuel Gas Code, ANSI Z223.1-latest edition in
the U.S.A. and the CAN/CGA B149 Installation Codes in
Canada.

NOT INTENDED FOR USE AS A PRIMAR Y HEAT SOURCE.

This appliance is tested and approved as either supplemen­tal room heat or as a decorative appliance. It should not be
factored as primary heat in residential heating calculations.

D. High Altitude Installations

NOTICE: If the heating value of the gas has been reduced,
these rules do not apply. Check with your local gas utility
or authorities having jurisdiction.

When installing above 2000 feet elevation:

• In the USA: Reduce input rate 4% for each 1000 feet
above 2000 feet.

• In CANADA: Reduce input rate 10% for elevations
between 2000 feet and 4500 feet. Above 4500 feet,
consult local gas utility.

Check with your local gas utility to determine proper
orifi ce size.

E. Non-Combustible Materials Specifi cation

Material which will not ignite and burn. Such materials are
those consisting entirely of steel, iron, brick, tile, concrete,
slate, glass or plasters, or any combination thereof.

Materials that are reported as passing ASTM E 136,

Standard Test Method for Behavior of Materials in a
Vertical Tube Furnace at 750 ºC and UL763 shall be

considered non-combustible materials.

B. Glass Specifi cations

This appliance is equipped with 5 mm ceramic glass with
an anti-refl ective coating. Replace glass only with glass
with identical specifi cations. Please contact your dealer
for replacement glass.

C. BTU Specifi cations

Models

(U.S. or Canada)

TRUE-36 (NG)

TRUE-36 (LP)

TRUE-42 (NG)

TRUE-42 (LP)

TRUE-50 (NG)

TRUE-50 (LP)

US

(0-2000 FT)

CANADA

(2000-4500 FT)

US

(0-2000 FT)

CANADA

(2000-4500 FT)

US

(0-2000 FT)

CANADA

(2000-4500 FT)

US

(0-2000 FT)

CANADA

(2000-4500 FT)

US

(0-2000 FT)

CANADA

(2000-4500 FT)

US

(0-2000 FT)

CANADA

(2000-4500 FT)

Maximum

Input

BTU/h

45,500 28,000 #30

41,000 25,000 #31

43,500 27,500 #47

39,000 25,000 #48

55,500 30,500 #26

50,000 27,500 #27

51,500 29,000 #45

46,500 26,000 #46

65,000 36,000 #24

58,500 32,500 #25

63,500 32,500 #43

57,000 29,500 #44

Minimum

Input

BTU/h

Orifi ce

Size

(DMS)

F. Combustible Materials Specifi cation

Materials made of or surfaced with wood, compressed pa­per, plant fi bers, plastics, or other material that can ignite
and burn, whether fl ame proofed or not, or plastered or
unplastered shall be considered combustible materials.

G. Electrical Codes

NOTICE: This appliance must be electrically wired
and grounded in accordance with local codes or, in the
absence of local codes, with National Electric Code

ANSI/NFPA 70-latest edition or the Canadian Electric
Code CSA C22.1.

• A 110-120 VAC circuit for this product must be pro-

tected with ground-fault circuit-interrupter protection,
in compliance with the applicable electrical codes,
when it is installed in locations such as in bathrooms
or near sinks.

Heat & Glo •

TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12

7

Note: The following requirements reference various
Massachuset ts and national codes not contain ed in this
document.

H. Requirements for the Commonwealth of

Massachusetts

For all side wall horizontally vented gas fueled equipment
installed in every dwelling, building or structure used in
whole or in part for residential purposes, including those
owned or operated by the Commonwealth and where the
side wall exhaust vent termination is less than seven (7)
feet above fi nished grade in the area of the venting, in-
cluding but not limited to decks and porches, the following
requirements shall be satisfi ed:

Installation of Carbon Monoxide Detectors

At the time of installation of the side wall horizontal vented
gas fueled equipment, the installing plumber or gas fi tter
shall observe that a hard wired carbon monoxide detector
with an alarm and battery back-up is installed on the fl oor
level where the gas equipment is to be installed. In addi­tion, the installing plumber or gas fi tter shall observe that
a battery operated or hard wired carbon monoxide detec­tor with an alarm is installed on each additional level of
the dwelling, building or structure served by the side wall
horizontal vented gas fueled equipment. It shall be the
responsibility of the property owner to secure the services
of qualifi ed licensed professionals for the installation of
hard wired carbon monoxide detectors.

In the event that the side wall horizontally vented gas fu­eled equipment is installed in a crawl space or an attic,
the hard wired carbon monoxide detector with alarm and
battery back-up may be installed on the next adjacent
fl oor level.
In the event that the requirements of this subdivision can
not be met at the time of completion of installation, the
owner shall have a period of thirty (30) days to comply
with the above requirements; provided, however, that dur­ing said thirty (30) day period, a battery operated carbon
monoxide detector with an alarm shall be installed.

Inspection

The state or local gas inspector of the side wall horizon­tally vented gas fueled equipment shall not approve the
installation unless, upon inspection, the inspector ob­serves carbon monoxide detectors and signage installed
in accordance with the provisions of 248 CMR 5.08(2)(a)1
through 4.

Exemptions

The following equipment is exempt from 248 CMR

5.08(2)(a)1 through 4:

• The equipment listed in Chapter 10 entitled “Equipment

Not Required To Be Vented” in the most current edition
of NFPA 54 as adopted by the Board; and

• Product Approved side wall horizontally vented gas fu-

eled equipment installed in a room or structure separate
from the dwelling, building or structure used in whole or
in part for residential purposes.

MANUFACTURER REQUIREMENTS
Gas Equipment Venting System Provided

When the manufacturer of Product Approved side wall
horizontally vented gas equipment provides a venting
system design or venting system components with the
equipment, the instructions provided by the manufacturer
for installation of the equipment and the venting system
shall include:

• Detailed instructions for the installation of the venting

system design or the venting system components; and

• A complete parts list for the venting system design or

venting system.

Gas Equipment Venting System NOT Provided

When the manufacturer of a Product Approved side wall
horizontally vented gas fueled equipment does not pro­vide the parts for venting the fl ue gases, but identifi es
“special venting systems”, the following requirements
shall be satisfi ed by the manufacturer:

Approved Carbon Monoxide Detectors

Each carbon monoxide detector as required in accor­dance with the above provisions shall comply with NFPA
720 and be ANSI/UL 2034 listed and IAS certifi ed.

Signage

A metal or plastic identifi cation plate shall be permanent-
ly mounted to the exterior of the building at a minimum
height of eight (8) feet above grade directly in line with the
exhaust vent terminal for the horizontally vented gas fu­eled heating appliance or equipment. The sign shall read,
in print size no less than one-half (1/2) in. in size, “GAS

VENT DIRECTLY BELOW. KEEP CLEAR OF ALL OB­STRUCTIONS”.

8

Heat & Glo • TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12

• The referenced “special venting system” instructions

shall be included with the appliance or equipment in­stallation instructions; and

• The “special venting systems” shall be Product Ap-

proved by the Board, and the instructions for that sys­tem shall include a parts list and detailed installation
instructions.

A copy of all installation instructions for all Product Ap­proved side wall horizontally vented gas fueled equip­ment, all venting instructions, all parts lists for venting
instructions, and/or all venting design instructions shall
remain with the appliance or equipment at the completion
of the installation.

See Gas Connection section for additional Common­wealth of Massachusetts requirements.

2

Operating Instructions

User Guide

2

A. Gas Fireplace Safety

WARNING

HOT SURFACES!

Glass and other surfaces are hot during
operation AND cool down.

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.

This appliance has been supplied with an integral barrier
to prevent direct contact with the fi xed glass panel. DO
NOT operate the appliance with the barrier removed.

Contact your dealer or Hearth & Home Technologies if the
barrier is not present or help is needed to properly install one.

• Keep remote controls out of reach of children.

• Never leave children alone near a hot fi replace, whether
operating or cooling down.

• Teach children to NEVER touch the fi replace.

• Consider not using the fi replace when children will be
present.

Contact your dealer for more information, or visit: www.
hpba.org/safety-information.

T o prevent unintended operation when not using your fi re-
place for an extended period of time (summer months,
vacations, trips, etc):

• Remove batteries from remote controls.

• Turn off wall controls.

• Set the selector switch on the control module to the OFF
position and remove batteries.

If you expect that small children or vulnerable adults may
come into contact with this fi replace, the following precau-
tions are recommended:

• Install a physical barrier such as:

- A decorative fi rescreen.

- Adjustable safety gate.

• Install a switch lock or a wall/remote control with child
protection lockout feature.

DECORATIVE DOORS

(NOT SHOWN)

SECTION 2.D.

LED

REPLACEMENT

SECTION 3.B.

HEARTH

SECTION 5.E

B. Your Fireplace

WARNING! DO NOT operate fi replace before read-
ing and understanding operating instructions. Failure

to operate fi replace according to operating instructions
could cause fi re or injury.

MANTEL

Figure 2.1 General Operating Parts

FIXED GLASS ASSEMBLY

Heat & Glo •

(NOT SHOWN)

SECTION 14.I.

CLEAR SPACE

SECTION 2.C.

TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12

9

C. Clear Space

RATING PLATE

GLASS CLIP TOOL

WARNING! DO NOT place combustible objects in front
of the fi replace or block louvers. High temperatures may
start a fi re. See Figure 2.2.

A void placing candles and other heat-sensitive objects on
mantel or hearth. Heat may damage these objects.

3 FT. IN FRONT OF FIREPLACE

CLEAR SPACE

E. Fixed Glass Assembly

See Section 14.I.

F. Remote Controls, Wall Controls and Wall

Switches

Follow the instructions supplied with the control installed
to operate your fi replace:

For safety:

• Install a switch lock or a wall/remote control with child
protection lockout feature.

• Keep remote controls out of reach of children.

See your dealer if you have questions.

G. IPI Battery Tray/Battery Installation

The IntelliFire PlusTM system has a battery backup option.
Battery longevity and performance will be affected by the
service temperatures of this appliance.

NOTICE: Batteries should only be used as a power
source in the event of an emergency such as an outage.

Figure 2.2 Clear Space

D. Decorative Doors and Fronts

WARNING! Risk of Fire! Install ONLY doors or fronts
approved by Hearth & Home Technologies. Unapproved
doors or fronts may cause fi replace to overheat.

This fireplace has been supplied with an integral
barrier to prevent direct contact with the fi xed glass
panel. DO NOT operate the fi replace with the barrier
removed.

Contact your dealer or Hearth & Home Technologies if
the barrier is not present or help is needed to properly
install one.

For more information refer to the instructions supplied with
your decorative door or front.

H. Rating Plate/Glass Clip Tool Location

The rating plate for this model is located underneath the
fi rebox affi xed to a tray that must be accessed using a
1/4 inch nut driver. See Figure 2.3. To access the rating
plate, remove the screw that secures the tray to the appli­ance bottom and pull the tray out.

The glass clip removal/installation tool is also located in
this area. To access the glass clip tool, remove the screw
that secures it to the appliance bottom.

GLASS CLIP TOOL

RATING PLATE

Figure 2.3 Rating Plate/Glass Clip Tool Location

10

Heat & Glo • TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12

I. Control Module Operation

1. The control module has an ON/OFF/REMOTE selector
switch that must be set. See Figure 2.4.

OFF Position: Appliance will ignore all power inputs and

will not respond to any commands from a wall switch or
remote. The unit should be in the OFF position during
installation, service, battery installation, fuel conversion,
and in the event that the control goes into LOCK-OUT
mode as a result of an error code.

ON Position: Appliance will ignite and run continuously

in the HI fl ame setting, with no adjustment in fl ame
output. This mode of operation is primarily used for
initial installation or power outage operation with battery
backup.

REMOTE Position: Appliance will initiate commands

from an optional wired wall switch and/or the wireless
remote (RC300).

2. If using a wired wall switch with the module in REMOTE
mode, the fl ame output can be adjusted with the HI/
LO selector switch on the module. See Figure 2.4.
Note that the fl ame HI/LO selector switch will become
inactive once an optional remote control (RC300) is
programmed to the control module. Note that the control
module will always ignite the fi replace on HI and remain
so for the initial 10 seconds of operation. If the HI/LO
is switched to the LO position, the fl ame output will
automatically drop to the lowest setting after the fl ame
has been established for 10 sec. After this 10 second
period, the fl ame can be adjusted from HI to LO with
the switch.

3. The control module has safety feature that automatically
shuts down the fi replace after 9 hours of continuous
operation without receiving a command from the RC300
remote.

4. If you intend to use both an optional wired wall switch
and the RC300 remote control to operate your fi replace,
the wall switch will override any commands given by
the remote.

5. Module Reset

This module may lock-out under certain conditions.

When this occurs, the appliance will not ignite or
respond to commands. The module will go into
lock-out mode by emitting three audible beeps, then
continuously displaying a RED/GREEN error code at
its status indicator LED.

• Locate the module selector switch. (See Figure 2.4).

• Set the module selector switch to the OFF position.

• Wait fi ve (5) minutes to allow possible accumulated gas
to clear.

• Set the module selector switch to ON or REMOTE
position.

• Start the appliance.

WARNING! Risk of Explosion! DO NOT reset the mod­ule more than one time within a fi ve minute time period.
Gas may accumulate in fi rebox. Call a qualifi ed service
technician.

Heat & Glo •

TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12

SELECTOR

SWITCH

FLAME HI/LO SWITCH

Figure 2.4 Control Module

STATUS INDICATOR LED

NG/LP SETTING

Nine Hour Safety Shutdown Feature

This appliance has a safety feature that automatically
shuts down the fi replace after 9 hours of continuous
operation without receiving a command from the
RC300 remote.

J. Before Lighting Fireplace

Before operating this fi replace for the fi rst time, have a
qualifi ed service technician:

• Verify all shipping materials have been removed from
inside and/or underneath the fi rebox.

• Review proper placement of logs, ember material and/
or other decorative materials.

• Check the wiring.

• Check the air shutter adjustment.

• Ensure that there are no gas leaks.

• Ensure that the glass is sealed and in the proper position
and that the integral barrier is in place.

WARNING! Risk of Fire or Asphyxiation! DO NOT op­erate fi replace with fi xed glass assembly removed.

11

K. Lighting Instructions (IPI)

FOR YOUR SAFETY

READ BEFORE LIGHTING

WARNING: If you do not follow these instructions exactly, a fi re or explosion

may result causing property damage, personal injury or loss of life.

A. This appliance is equipped with an

intermittent pilot ignition (IPI) device
which automatically lights the burn­er. DO NOT try to light the burner by
hand.

B. BEFORE LIGHTING, smell all around

the appliance area for gas. Be sure to
smell next to the fl oor because some
gas is heavier than air and will settle
on the fl oor.

WHA T TO DO IF YOU SMELL GAS

• DO NOT try to light any appliance.

• DO NOT touch any electric switch; do
not use any phone in your building.

WARNING:

DO NOT CONNECT LINE VOLT­AGE (110/120 VAC OR 220/240
V AC) TO THE CONTROL VAL VE.

Improper installation, adjustment, al­teration, service or maintenance can
cause injury or property damage. Re­fer to the owner’s information manual
provided with this appliance.

This appliance needs fresh air for
safe operation and must be installed
so there are provisions for adequate
combustion and ventilation air.

If not installed, operated, and main­tained in accordance with the manufac­turer’s instructions, this product could
expose you to substances in fuel or
fuel combustion which are known to the
State of California to cause cancer, birth
defects, or other reproductive harm.

Keep burner and control compartment
clean. See installation and operating
instructions accompanying appliance.

• 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 fi re department.

C. DO NOT use this appliance if any

part has been under water. Imme­diately call a qualifi ed service tech-
nician to inspect the appliance and
to replace any part of the control
system and any gas control which
has been under water.

CAUTION:

Hot while in operation. DO NOT touch.
Keep children, clothing, furniture, gaso­line and other liquids having fl ammable
vapors away.

DO NOT operate the appliance with
fi xed glass assembly removed, cracked
or broken. Replacement of the fi xed
glass assembly should be done by a
licensed or qualifi ed service person.

NOT FOR USE

WITH SOLID FUEL

For use with natural gas and propane.
A conversion kit, as supplied by the
manufacturer, shall be used to convert
this appliance to the alternate fuel.

Also Certifi ed for Installation in a
Bedroom or a Bedsitting Room.

For assistance or additional informa­tion, consult a qualifi ed installer, ser-
vice agency or the gas supplier.

LIGHTING

INSTRUCTIONS (IPI)

1. This appliance is equipped with an ignition

device which automatically lights the burner.

DO NOT try to light the burner by hand.

GAS

VALVE

2. Wait fi ve (5) minutes to clear out any gas.

Then smell for gas, including near the fl oor. If
you smell gas, STOP! Follow “B” in the Safety
Information located on the left side of this la­bel. If you do not smell gas, go to next step.

3. To light the burner:
Equipped with wall switch: Turn ON/OFF switch

to ON.

Equipped with remote or wall control: Press

ON or FLAME button.

Equipped with thermostat: Set temperature to

desired setting.

4. If the appliance does not light after three tries,
call your service technician or gas supplier.

TO TURN OFF

GAS TO APPLIANCE

1. Equipped with wall switch: Turn ON/OFF switch

to OFF.

Equipped with remote or wall control: Press

OFF button.

Equipped with thermostat: Set temperature to

lowest setting.

2. Service technician should turn off electric
power to the control when performing service.

593-913G

Hearth & Home Technologies fi replace, please refer to www.fi replaces.com.

For additional information on operating your

Final inspection by

12

Heat & Glo • TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12

L. After Fireplace is Lit

Initial Break-in Procedure

• The fireplace should be run three to four hours
continuously on high.

• Turn the fi replace off and allow it to completely cool.

• Remove fi xed glass assembly. See Section 14.I.

• Clean fi xed glass assembly. See Section 3.

• Replace the fi xed glass assembly and run continuously
on high an additional 12 hours.

This cures the materials used to manufacture the fi re-
place.

NOTICE! Open windows for air circulation during fi re-
place break-in.

• Some people may be sensitive to smoke and odors.

• Smoke detectors may activate.

FIREPLACE OPENING

160°F

165°F+

28 IN.

180°F+

22 IN.

230°F+

16 IN.

10 IN.

MEASUREMENTS FROM

TOP EDGE OF THE OPENING

APPLIANCE FRONT

155°F

34 IN.

CEILING

150°F

160°F

52 IN. MIN.

46 IN.

40 IN.

M. Frequently Asked Questions

ISSUE SOLUTIONS

Condensation on the glass

Blue fl ames

Odor from fi replace

Film on the glass

Metallic noise

Is it normal to see the pilot fl ame burn
continually?

This is a result of gas combustion and temperature variations. As the fi replace warms, this
condensation will disappear.

This is a result of normal operation and the fl ames will begin to yellow as the fi replace is al-
lowed to burn for 20 to 40 minutes.

When fi rst operated, this fi replace may release an odor for the fi rst several hours. This is caused
by the curing of the paint and the burning off of any oils remaining from manufacturing. Odor may
also be released from fi nishing materials and adhesives used around the fi replace.

This is a normal result of the curing process of the paint and logs. Glass should be cleaned
within 3 to 4 hours of initial burning to remove deposits left by oils from the manufacturing
process. A non-abrasive cleaner such as gas fi replace glass cleaner may be necessary. See
your dealer.

Noise is caused by metal expanding and contracting as it heats up and cools down, similar to
the sound produced by a furnace or heating duct. This noise does not affect the operation or
longevity of the fi replace.

In an intermittent pilot ignition system (IPI), the pilot fl ame should turn off when appliance is
turned off. Some optional control systems available with IPI models may allow pilot fl ame to
remain lit.

Figure 2.4 Wall Surface Temperatures

Heat & Glo •

TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12

13

3

Maintenance and Service

3

Any safety screen or guard removed for servicing must be
replaced prior to operating the fi replace.

When properly maintained, your fi replace will give you
many years of trouble-free service. We recommend an­nual service by a qualifi ed service technician.

A. Maintenance Tasks-Homeowner

Installation and repair should be done by a qualifi ed service
technician only. The fi replace should be inspected before
use and at least annually by a professional service person.

The following tasks may be performed annually by the
homeowner. If you are uncomfortable performing any of
the listed tasks, please call your dealer for a service ap­pointment.

More frequent cleaning may be required due to lint from
carpeting or other factors. Control compartment, burner
and circulating air passageway of the fi replace must be
kept clean.

CAUTION! Risk of Burns! The fi replace should be turned
off and cooled before servicing.

Glass Cleaning
(Exterior of Installed Glass Only)

Frequency: Seasonally
By: Homeowner
T ools Needed: Protective gloves, ceramic glass cleaner ,

drop cloth and a stable work surface.

WARNING! Risk of Injury! Glass installation and re­moval must be performed only by a qualifi ed service tech-
nician.

• Homeowner may only clean outsides of glass.

• Call your dealer for a service appointment to have inside
of glass cleaned.

CAUTION! Glass is breakable.

• Avoid striking, scratching or slamming glass

• Avoid abrasive cleaners

• DO NOT clean glass while it is hot

• Clean glass with a non-abrasive commercially available
ceramic glass cleaner.

NOTICE! Use only glass cleaner compatible with ce­ramic glass. Other types of glass cleaner may damage

the glass surface when exposed to high temperatures.

- Light deposits: Use a soft cloth with soap and water

- Heavy deposits: Use commercial fireplace glass

cleaner (consult with your dealer)

Doors, Surrounds, Fronts

Frequency: Annually
By: Homeowner
Tools needed: Protective gloves, stable work surface

• Assess condition of screen and replace as necessary.

• Inspect for scratches, dents or other damage and repair
as necessary.

• Check that louvers are not blocked.

• Vacuum and dust surfaces.

Remote Control

Frequency: Seasonally
By: Homeowner
Tools needed: Replacement batteries and remote con-

trol instructions.

• Locate remote control transmitter and receiver.

• Verify operation of remote. Refer to remote control
operation instructions for proper calibration and setup
procedure.

• Replace batteries as needed in remote transmitters.

• Place remote control out of reach of children.

If not using your fi replace for an extended period of time
(summer months, vacations/trips, etc), to prevent unin­tended operation:

• Remove batteries from remote controls.

• Turn the ON/OFF/REMOTE switch on the control module
to OFF.

Venting

Frequency: Seasonally
By: Homeowner
Tools needed: Protective gloves and safety glasses.

• Inspect venting and termination cap for blockage or
obstruction such plants, bird nests, leaves, snow, debris,
etc.

• Verify termination cap clearance to subsequent construc­tion (building additions, decks, fences, or sheds). See
Section 6.

• Inspect for corrosion or separation.

• Verify weather stripping, sealing and fl ashing remains
intact.

14

Heat & Glo • TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12

B. Maintenance Tasks-Qualifi ed Service

Technician

The following tasks must be performed by a qualifi ed ser-
vice technician.

Glass Cleaning
(Exterior and Interior of Installed Glass)

Frequency: Seasonally
By: Qualifi ed Service Technician
T ools Needed: Protective gloves, ceramic glass cleaner ,

drop cloth and a stable work surface.

WARNING! Risk of Injury! Glass installation and re­moval must be performed only by a qualifi ed service tech-
nician.

CAUTION! Handle fi xed glass assembly with care.

Glass is breakable.

• Avoid striking, scratching or slamming glass

• Avoid abrasive cleaners

• DO NOT clean glass while it is hot

NOTICE! Use only glass cleaner compatible with ce­ramic glass. Other types of glass cleaner may damage

the glass surface when exposed to high temperatures.

• Prepare a work area large enough to accommodate fi xed
glass assembly and door frame by placing a drop cloth
on a fl at, stable surface.

Note: Fixed glass assembly and gasketing may have res­idue that can stain carpeting or fl oor surfaces.

• Remove door or decorative front from fi replace and set
aside on work surface.

• See Section 14.I for instructions to remove fi xed glass
assembly.

• Clean glass with a non-abrasive commercially available
ceramic glass cleaner.

- Light deposits: Use a soft cloth with soap and water.

- Heavy deposits: Use commercial fireplace glass

cleaner (consult with your dealer).

• See Section 14.I for instructions to replace the fi xed glass
assembly.

• Reinstall door or decorative front.

Gasket Seal and Glass Assembly Inspection

Frequency: Annually
By: Qualifi ed Service Technician
T ools needed: Protective gloves, drop cloth and a stable

work surface.

• Inspect gasket seal and its condition.

• Inspect fi xed glass assembly for scratches and nicks that
can lead to breakage when exposed to heat.

• Confi rm there is no damage to glass or glass frame.
Replace as necessary.

• Verify that fi xed glass assembly is properly retained and
attachment components are intact and not damaged.
Replace as necessary.

Logs

Frequency: Annually
By: Qualifi ed Service Technician
Tools needed: Protective gloves.

• Inspect for damaged or missing logs. Replace as neces­sary . Refer to Section 14 for log placement instructions.

• Verify correct log placement and no fl ame impingement
causing sooting. Correct as necessary.

Firebox

Frequency: Annually
By: Qualifi ed Service Technician
Tools needed: Protective gloves, sandpaper, steel wool,

cloths, mineral spirits, primer and touch-up paint.

• Inspect for paint condition, warped surfaces, corrosion
or perforation. Sand and repaint as necessary.

• Replace fi replace if fi rebox has been perforated.

Control Compartment and Firebox Top

Frequency: Annually
By: Qualifi ed Service Technician
Tools needed: Protective gloves, vacuum cleaner, dust

cloths

• V acuum and wipe out dust, cobwebs, debris or pet hair.
Use caution when cleaning these areas. Screw tips that
have penetrated the sheet metal are sharp and should
be avoided.

• Remove all foreign objects.

• Verify unobstructed air circulation.

L.E.D Replacement

Frequency: As needed
By: Qualifi ed Service Technician
Tools needed: Protective gloves, replacement LED as-

semblies, 1/4 inch nut driver.
The LEDs installed in this appliance do not require any

annual service. However, the LED assemblies can be
replaced. To replace:

• Remove Logs, Grate/Burner, Base refractory.

• Remove the ember glass assembly. The LED box can
be lifted out of the fi replace at this point.

• See replacement parts list for LED part numbers.

Heat & Glo •

TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12

15

Burner Ignition and Operation

Frequency: Annually
By: Qualifi ed Service Technician
T ools needed: Protective gloves, vacuum cleaner, whisk

broom, fl ashlight, voltmeter, indexed drill bit set, and a
manometer.

• Verify burner is properly secured and aligned with pilot
or igniter.

• Clean off burner top, inspect for plugged ports, corrosion
or deterioration. Replace burner if necessary.

• Verify batteries have been removed from battery back-up
IPI systems to prevent premature battery failure or
leaking.

• Check for smooth lighting and ignition carryover to all
ports. Verify that there is no ignition delay.

• Inspect for lifting or other fl ame problems.

• Verify air shutter setting is correct. See Section 14 for
required air shutter setting. Verify air shutter is clear of
dust and debris.

• Inspect orifi ce for soot, dirt and corrosion. Verify orifi ce
size is correct. See Service Parts List for proper orifi ce
sizing.

• Verify manifold and inlet pressures. Adjust regulator as
required.

• Inspect pilot fl ame pattern and strength. See Figure 3.1
for proper pilot fl ame pattern. Clean or replace orifi ce
spud as necessary.

• Inspect
deterioration. Polish with fi ne steel wool or replace as
required.

• Verify that there is not a short in fl ame sense circuit
by checking continuity between pilot hood and fl ame
sensing rod. Replace pilot as necessary.

IPI fl ame sensing rod for soot, corrosion and

Figure 3.1 IPI Pilot Flame Patterns

16

Heat & Glo • TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12

HORIZONTAL TERMINATION CAP
SECTION 10.H

4

Getting Started

Installer Guide

4

A. Typical Appliance System

NOTICE: Illustrations and photos refl ect typical installations and are for design purposes only . Illustrations/diagrams are not
drawn to scale. Actual product may vary from pictures in manual.

VERTICAL TERMINATION CAP

(SECTION 10.F)

NON-COMBUSTIBLE ROOF FLASHING
MAINTAINS MINIMUM CLEARANCE
AROUND PIPE (SECTION 10.D)

STORM COLLAR
(SECTION 10.E )

VENT PIPE (SECTIONS 7 and 8)

CEILING FIRESTOP
ON FLOOR OF ATTIC
(SECTION 8.C )

FRAMING/HEADER
(SECTION 5)

VENT PIPE PENETRATES ROOF
PREFERABLY WITHOUT AFFECTING
ROOF RAFTERS (SECTION 10.D)

ATTIC INSULATION SHIELD (NOT
SHOWN) MUST BE USED HERE TO
KEEP INSULATION AWAY FROM
VENT PIPE IF ATTIC IS INSULATED
(SECTION 8.D)

FRAMING HEADED OFF
IN CEILING JOISTS
(SECTION 8.C )

MANTEL AND
MANTEL LEG
(SECTION 13.C )

OPTIONAL

WALL SWITCH

SURROUND

GAS LINE
SECTION 11.C

Figure 4.1 Typical System

Heat & Glo •

HEARTH EXTENSION
(SECTION 5.E)

TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12

17

B. Design and Installation Considerations

Heat & Glo direct vent gas appliances are designed to
operate with all combustion air siphoned from outside of
the building and all exhaust gases expelled to the outside.
No additional outside air source is required.

Installation MUST comply with local, regional, state and
national codes and regulations. Consult insurance carrier,
local building inspector, fi re offi cials or authorities having
jurisdiction over restrictions, installation inspection and
permits.

Before installing, determine the following:

• Where the appliance is to be installed.

• The vent system confi guration to be used.

• Gas supply piping requirements.

• Electrical wiring requirements.

• Framing and fi nishing details.

• Whether optional accessories—devices such as a wall
switch or remote control—are desired.

Improper installation, adjustment, alteration, service or
maintenance can cause injury or property damage. For
assistance or additional information, consult a qualifi ed
service technician, service agency or your dealer.

C. Tools and Supplies Needed

Before beginning the installation be sure that the following
tools and building supplies are available.

Tape measure Framing material
Pliers Hammer
Phillips screwdriver Manometer
Gloves Framing square
Voltmeter Electric drill and bits (1/4 in.)
Plumb line Safety glasses
Level Reciprocating saw
Flat blade screwdriver
Non-corrosive leak check solution
1/2 - 3/4 in. length, #6 or #8 Self-drilling screws
Caulking material (300ºF minimum continuous exposure

rating)

D. Inspect Appliance and Components

• Carefully remove the appliance and components from
the packaging.

• The vent system components and decorative doors and
fronts may be shipped in separate packages.

• If packaged separately, the log set and appliance grate
must be installed.

• Report to your dealer any parts damaged in shipment,
particularly the condition of the glass.

• Read all of the instructions before starting the instal-

lation. Follow these instructions carefully during the
installation to ensure maximum safety and benefi t.

WARNING! Risk of Fire or Explosion! Damaged parts
could impair safe operation. DO NOT install damaged, in-
complete or substitute components. Keep appliance dry.

Hearth & Home T echnologies disclaims any responsibility for ,
and the warranty will be voided by, the following actions:

• Installation and use of any damaged appliance or vent

system component.

• Modifi cation of the appliance or vent system.

• Installation other than as instructed by Hearth & Home

Technologies.

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

• Installation and/or use of any component part not approved

by Hearth & Home Technologies.

Any such action may cause a fi re hazard.

WARNING! Risk of Fire, Explosion or Electric Shock!
DO NOT use this appliance if any part has been under

water. Call a qualifi ed service technician to inspect the
appliance and to replace any part of the control system
and/or gas control which has been under water.

18

Heat & Glo • TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12

5

Framing and Clearances

5

A. Selecting Appliance Location

When selecting a location for the appliance it is important to
consider the required clearances to walls (see Figure 5.1).

WARNING! Risk of Fire or Burns! Provide adequate
clearance around air openings and for service access.

Due to high temperatures, the appliance should be locat­ed out of traffi c and away from furniture and draperies.

A

D

D

A

B

C

NOTICE: Illustrations refl ect typical installations and are
FOR DESIGN PURPOSES ONLY. Illustrations/diagrams
are not drawn to scale. Actual installation may vary due to
individual design preference.

F

TRUE-36

TRUE-42

TRUE-50

B

E

Note: Dimensions below refer to a framed wall on
which 1/2 inch wall sheathing has not been installed.

E

F

B

ABCDE F

Inches 74-1/4 59-1/2 105 26-1/2 23-1/2 29-3/4

Millimeters 1886 1511 2667 673 597 756

Inches 78-9/16 65-9/16 111-1/16 28-5/8 23-1/2 32-13/16

Millimeters 1995 1665 2821 727 597 33

Inches 84-1/4 73-9/16 119-1/8 31-1/2 23-1/2 36-13/16

Millimeters 2140 1868 3026 800 597 935

Figure 5.1 Appliance Locations

Heat & Glo •

TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12

19

B. Constructing the Appliance Chase

A chase is a vertical box-like structure built to enclose the
gas appliance and/or its vent system. In cooler climates
the vent should be enclosed inside the chase.

NOTICE: Treatment of ceiling fi restops and wall shield
fi restops and construction of the chase may vary with the

type of building. These instructions are not substitutes
for the requirements of local building codes. Therefore,
you MUST check local building codes to determine the
requirements to these steps.

Chases should be constructed in the manner of all out­side walls of the home to prevent cold air drafting prob­lems. The chase should not break the outside building
envelope in any manner.

Walls, ceiling, base plate and cantilever fl oor of the chase
should be insulated. Vapor and air infi ltration barriers
should be installed in the chase as per regional codes for
the rest of the home. Additionally, in regions where cold
air infi ltration may be an issue, the inside surfaces may be
sheetrocked and taped for maximum air tightness.

To further prevent drafts, the wall shield and ceiling fi re-
stops should be caulked with caulk with a minimum of

300ºF continuous exposure rating to seal gaps. Gas
line holes and other openings should be caulked with
caulk with a minimum of 300ºF continuous exposure rating
or stuffed with unfaced insulation. If the appliance is being
installed on a cement surface, a layer of plywood may be
placed underneath to prevent conducting cold up into the
room.

C. Clearances

NOTICE: Install appliance on hard metal or wood surfaces
extending full width and depth. DO NOT install directly
on carpeting, vinyl, tile or any combustible material other
than wood.

WARNING! Risk of Fire! Maintain specifi ed air space
clearances to appliance and vent pipe:

• Insulation and other materials must be secured to prevent
accidental contact.

• The chase must be properly blocked to prevent blown
insulation or other combustibles from entering and
making contact with fi replace or chimney.

• Failure to maintain airspace may cause overheating and
a fi re.

TRUE-36

A

E

F

B

C

D

G

J

I

(FROM APPLIANCE
OPENING TO CEILING)

H

* MINIMUM FRAMING DIMENSIONS

ABCDE F GHIJ

Rough

Opening

(Vent Pipe)

Inches 10 56 24 59-1/2 52 0

Millimeters 254 1422 610 1511 1321 0 25 25 914

Rough
Opening
(Height)

Rough

Opening

(Depth)

Rough

Opening

(Width)

Clearance

to Ceiling

Combustible

Floor

Combustible

Flooring

Behind

Appliance

Sides of

Appliance

Front of

Appliance

1136

TRUE-42

Inches 10 61 24 65-9/16 52 0 1 1 36

Millimeters 254 1549 610 1665 1321 0 25 25 914

Inches 10 65 24 73-9/16 52 0 1 1 36

TRUE-50

Millimeters 254 1651 610 1868 1321 0 25 25 914

* Adjust framing dimensions for interior sheathing (such as sheetrock)

Figure 5.2 Clearances to Combustibles

20

Heat & Glo • TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12

See Sec-

tion 5.E.

Non-Combustible Zone

1/2 IN. BUILDING MATERIAL

(MAY BE COMBUSTIBLE)

NO COMBUSTIBLES

IN HATCHED AREA

FACTORY-SUPPLIED

1/2 IN.

NON-COMBUSTIBLE

BOARD

1 IN.

PIPE IS FOR VISUAL

REFERENCE ONLY

39 IN.

D. Mantel and Wall Projections

WARNING! Risk of Fire! Comply with all minimum clear­ances as specifi ed. Framing or fi nishing material closer than
the minimums listed must be constructed entirely of non­combustible materials (i.e., steel studs, concrete board, etc).

When installing a mantel, provisions must be made
in order to secure the mantel to the adjacent framing
materials. For example, lintel brackets or lag bolts may
be considered for this purpose.

Combustible Mantel Legs or Wall Projections

1/2 IN. BUILDING MATERIAL

COMBUSTIBLE

COLUMN

4 IN. MAX.

7 IN.

FIREPLACE
OPENING

FACTORY-SUPPLIED

NON-COMBUSTIBLE BOARD

14 IN. MIN.

MIN.

Figure 5.3 Non-Combustible Zone

= COMBUSTIBLES

NOT ALLOWED

COMBUSTIBLE OR

NON-COMBUSTIBLE WALL

Figure 5.4 Combustible Mantel Leg and Wall Projections

Non-Combustible Mantel Legs or Wall Projections

1/2 IN. BUILDING MATERIAL

NON-COMBUSTIBLE

COLUMN

6 IN. MAX.

SEE SECTION 13.E
FOR REQUIRED

FIREPLACE
OPENING

FACTORY-SUPPLIED
NON-COMBUSTIBLE
BOARD

Figure 5.5 Non-Combustible Mantel Leg and Wall Projections

CLEARANCES

14 IN. MIN.

COMBUSTIBLE OR
NON-COMBUSTIBLE
WALL

Heat & Glo •

TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12

21

Combustible Mantel Projections

Non-Combustible Mantel Projections

1/2 IN.

NON-COMBUSTIBLE

MATERIAL

MAX.

12

9

6

3

1

18

21

MIN.

15

12

9

TRUE-36
TRUE-42

FIREPLACE
OPENING

Note: All measurements in inches.
Note: Measurement is taken from top of the opening,

NOT the top of the fi replace.

1/2 IN.

NON-COMBUSTIBLE

MATERIAL

MAX.

12

10

21

MIN.

18

6

TRUE-36
TRUE-42

1-1/4 IN. SEE

SECTION 13.D

FIREPLACE
OPENING

Note: All measurements in inches.
Note: Measurement is taken from top of the opening,

NOT the top of the fi replace.

Figure 5.6 Combustible Mantel Allowance - TRUE-36, TRUE-42

Combustible Mantel Projections

1/2 IN.

NON-COMBUSTIBLE

MATERIAL

12

9

6

3

1

24

21

18

15

12

TRUE-50

FIREPLACE
OPENING

Figure 5.8 Non-Combustible Mantel Allowance - TRUE-36, TRUE-42

Non-Combustible Mantel Projections

1/2 IN.

NON-COMBUSTIBLE

MATERIAL

MAX.

12

10

21

MIN.

18

6

TRUE-50

1-1/4 IN. SEE

SECTION 13.D

FIREPLACE
OPENING

Note: All measurements in inches.
Note: Measurement is taken from top of the opening,

NOT the top of the fi replace.

Figure 5.7 Combustible Mantel Allowance - TRUE-50

22

Heat & Glo • TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12

Note: All measurements in inches.
Note: Measurement is taken from top of the opening,

NOT the top of the fi replace.

Figure 5.9 Non-Combustible Mantel Allowance - TRUE-50

E. Hearth Extension

WARNING! Risk of Fire! Non-combustible hearth exten-



sion may be required when appliance is installed on com­bustible surface.

• Hearth extension must be non-combustible and
serves to protect combustible fl oors in front of appli-
ance. See Figure 5.11.

• The base of the fi replace may sit on a combustible sur-
face. See Figure 5.11. The area in front of the appli­ance must be protected by a non-combustible hearth
extension, unless the appliance is raised a minimum
of three inches above the combustible fl oor or hearth.
See Figure 5.11 and Figure 5.12.

NOTICE: DO NOT install a hearth that is greater than
one inch thick. Hearth will interfere with installation of
glass assembly . Total hearth height must not exceed one
inch from bottom of appliance when appliance is installed
directly on fl oor (including mortar, backer material, etc.)

If a hearth greater than one inch in thickness is desired,
the appliance must be raised by the equivalent height
to ensure that the hearth extension does not interfere
with the installation of the glass assembly required for
fi replace operation. See Figure 5.11.

NON-COMBUSTIBLE
BOARD

HEARTH CLEARANCE
BRACKET

NON-COMBUSTIBLE
HEARTH EXTENSION
1 IN. THICK MAX.

A

NON-COMBUSTIBLE

B

MODEL A B

in. mm in. mm

TRUE-36 12 305 57-1/4 1454
TRUE-42 12 305 63-5/16 1608
TRUE-50 12 305 71-5/16 1811

Figure 5.10 Non-Combustible Hearth Extension Dimensions

WOOD OR OTHER COMBUSTIBLE

FLOOR OR PLATFORM

Figure 5.11 Appliance Installed on Combustible Surface
Non-Combustible Hearth Extension REQUIRED.

NON-COMBUSTIBLE
BOARD

HEARTH CLEARANCE
BRACKET

1/2 IN. MAX.

4 IN.

THICKNESS
COMBUSTIBLE
BUILDING
MATERIAL

WOOD OR OTHER COMBUSTIBLE

FLOOR OR PLATFORM

3 IN. MIN.

BOTTOM OF
FIREPLACE



Heat & Glo •

Figure 5.12 Appliance Raised a Minimum of 3 Inches Above
Combustible Surface.
Non-Combustible Hearth Extension NOT REQUIRED.

TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12



23

6

Termination Locations

6

A. Vent Termination Minimum Clearances

WARNING

6 in. (minimum) up to 20 in.

Fire Risk.
Maintain vent clearance to combustibles as

specifi ed.

• DO NOT pack air space with insulation or other
materials.

Failure to keep insulation or other materials away
from vent pipe may cause overheating and fi re.

AB

152 mm/508 mm

20 in. and over 0 in. minimum

Gas, Wood or Fuel Oil

Termination Cap

B

A *

18 in. minimum

457 mm

HORIZONTAL

OVERHANG

2 FT.
MIN.

GAS DIRECT VENT
TERMINATION CAP

Roof Pitch H (Min.) Ft.

Flat to 6/12...........................................................1.0*

Over 6/12 to 7/12 .................................................1.25*

Over 7/12 to 8/12 .................................................1.5*

Over 8/12 to 9/12 .................................................2.0*

Over 9/12 to 10/12 ...............................................2.5

Over 10/12 to 11/12 .............................................3.25

Over 11/12 to 12/12 .............................................4.0

Over 12/12 to 14/12 .............................................5.0

Over 14/12 to 16/12 .............................................6.0

Over 16/12 to 18/12 .............................................7.0

Over 18/12 to 20/12 .............................................7.5

Over 20/12 to 21/12 .............................................8.0

* 3 foot minimum in snow regions

Figure 6.1 Minimum Height From Roof To Lowest Discharge
Opening

20 INCHES MIN.

LOWEST

DISCHARGE

OPENING

H (MIN.) - MINIMUM HEIGHT FROM ROOF
TO LOWEST DISCHARGE OPENING

X

12

ROOF PITCH

IS X/ 12

VERTICAL

WALL

Gas

Termination

Cap **

If using decorative cap cover(s), this distance may need to be

*

increased. Refer to the installation instruc tions supplied with the
decorative cap cover.

In a staggered installation with both gas and wood or fuel oil

**

terminations, the wood or fuel oil termination cap must be
higher than the gas termination cap.

Figure 6.2 Staggered Termination Caps

NOTICE: TRUE-50 Models Only

Horizontal vent terminations are NOT approved for
installation with vinyl siding or vinyl soffi ts. Permanent
damage to vinyl siding or vinyl soffi ts may occur.

NOTICE: TRUE-36 and TRUE-42 Only:

Horizontal vent terminations ARE approved for installation
with vinyl siding and/or vinyl soffi ts provided the VPK-DV
(vinyl protector kit) is installed. Permanent damage to vinyl
siding or vinyl soffi ts may occur.

24

Heat & Glo • TRUE-36, TRUE-42, TRUE-50 • 2282-900 Rev. D • 8/12