Heatilator Direct Vent Gas Appliance CNXT4236IT User manual

Heatilator • Caliber CNXT Series • 4047-132 Rev T • 09/08 1
Model(s):
CNXT4236IT CNXT4842IT
CNXT4236IH CNXT4842IH
CNXT4236ILT CNXT4842ILT
CNXT4236ILH CNXT4842ILH
Direct Vent Gas Appliance
Owner’s Manual
Installation and Operation
Installation and service of this appliance should be performed
by qualified personnel. Hearth & Home Technologies suggests
NFI certified or factory-trained professionals, or technicians
supervised by an NFI certified professional.
If the information in these instruc-
tions is not followed exactly, a
fire may result causing property
damage, personal injury, or death.
• Do not store or use gasoline or other flam-
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 fire department.
• Installation and service must be performed
by a qualified installer, service agency, or
the gas supplier.
WARNING
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.
This appliance is only for use with the type(s) of gas
indicated on the rating plate.
DO NOT DISCARD THIS MANUAL
CAUTION
• Important operating and
maintenance instructions
included.
• Leave this manual with
party responsible for
use and operation.
• Read, understand and follow
these instructions for safe
installation and operation.
DO NOT
DISCARD
In the Commonwealth of Massachusetts installation must
be performed by a licensed plumber or gas fitter;
See Table of Contents for location of additional
Commonwealth of Massachusetts requirements.
HOT SURFACES!
Glass and other surfaces are hot during
operation and cool down.
WARNING
• CAREFULLY SUPERVISE children in same room as
appliance.
• Alert children and adults to hazards of high
temperatures.
High temperatures may ignite clothing or other
flammable materials.
• Keep clothing, furniture, draperies and other combustibles
away.
Hot glass will cause burns.
• Do not touch glass until it is cooled
• NEVER allow children to touch glass
• Keep children away
This appliance has been supplied with an integral
barrier to prevent direct contact with the fixed 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.

Heatilator • Caliber CNXT Series • 4047-132 Rev T • 09/082
Listing Label Information/Location
Model Name: ___________________________________________ Date purchased/installed:__________________
Serial Number:__________________________________________ Location on fireplace: _____________________
Dealership purchased from: _______________________________ Dealer Phone: __________________________
Notes: _______________________________________________________________________________________
_____________________________________________________________________________________________
A. Congratulations
Congratulations on selecting a Heatilator gas fireplace, an
elegant and clean alternative to wood burning fireplaces.
The Heatilator gas fireplace you have selected is designed
to provide the utmost in safety, reliability, and efficiency.
As the owner of a new fireplace, 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.
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 Heatilator gas fireplace will give you years of
durable use and trouble-free enjoyment. Welcome to the
Heatilator family of fireplace products!
We recommend that you record the following pertinent
information about your fireplace.
The model information regarding your specific fireplace can be found on
the rating plate usually located in the control area of the fireplace.
Homeowner Reference Information
Read this manual before installing or operating this appliance.
Please retain this owner’s manual for future reference.
XXXX
CERTIFIED
FOR CANADA
CERTIFIÉ POUR LE
CANADA
Hearth & Home Technologies Inc
1915 W. Saunders Street
Mt. Pleasant, IA 52641
SERIAL
NO. DE SÉRIE
ANSI Standard
MODEL MFG. DATE
MODÈLE DATE DE FAB.
GAS TYPE/TYPE DE GAZ NATURAL/NATUREL PROPANE
ALTITUDE 0-2000 2000-4000 FT/PI 0-2000 2000-4000 FT/PI
MAX INPUT/DÉBIT XX,XXX XX,XXX BTUH XX,XXX XX,XXX BTUH
MIN INPUT/DÉBIT XX,XXX XX,XXX BTUH XX,XXX XX,XXX BTUH
MANIFOLD PRESSURE/PRESSION TUBULAIRE
MAX. XX IN. W.C./C. D'EAU XX IN. W.C./C. D'EAU
MIN. XX IN. W.C./C. D'EAU XX IN. W.C./C. D'EAU
MIN. INLET PRESS. XX IN. W.C./C. D'EAU 1XX IN. W.C./C. D'EAU
FOR THE PURPOSE OF INPUT ADJUSTMENT
PRESS. MIN. D'ALIMENTATION
ORIFICE SIZE
DIAM. DE L'INJECTEUR XX/XX DIA. in./mm XX/XX DIA. in./mm
LESS THAN/MOINS DE 3 AMPÈRES., 115V., 60 Hz
DO NOT REMOVE OR COVER THIS LABEL.
VENTED GAS FIREPLACE - NOT FOR USE WITH SOLID FUEL.
FOYER À GAZ À ÉVACUATION - NE DOIT PAS ÊTRE UTILISÉ
AVEC UN COMBUSTIBLE SOLIDE.
XXXXXXXXX
XXXXXX
Serial #
Gas Type
Orifice
Size
Model #

Heatilator • Caliber CNXT Series • 4047-132 Rev T • 09/08 3
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. Warranty 5
1 Listing and Code Approvals
A. Appliance Certification 7
B. Ceramic Glass Specifications 7
C. BTU Specifications 7
D. High Altitude Installations 7
E. Non-Combustible Materials Specification 7
F. Combustible Materials Specification 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. Fan Kit (optional) 10
D. Clear Space 10
E. Decorative Doors and Fronts 10
F. Fixed Glass Assembly 10
G. Remote Controls, Wall Controls and Wall Switches10
H. Before Lighting Fireplace 10
I. Lighting Instructions (IPI) 11
J. After Fireplace is Lit 12
K. Frequently Asked Questions 12
3 Maintenance and Service
A. Maintenance Tasks-Homeowner 13
B. Maintenance Tasks-Qualified Service Technician 14
Installer Guide
4 Getting Started
A. Typical Appliance System 15
B. Design and Installation Considerations 16
C. Tools and Supplies Needed 16
D. Inspect Appliance and Components 16
5 Framing and Clearances
A. Selecting Appliance Location 17
B. Constructing the Appliance Chase 18
C. Clearances 18
D. Mantel and Wall Projections 19
6 Termination Locations
A. Vent Termination Minimum Clearances 20
7 Vent Information and Diagrams
A. Approved Pipe 22
B. Vent Table Key 22
C. Use of Elbows 22
D. Measuring Standards 22
E. Vent Diagrams 23
F. Installing Vertical Termination Baffle 32
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
9 Appliance Preparation
A. Convert from Top Vent to Rear Vent 37
B. Securing and Leveling the Appliance 41
10 Installing Vent Pipe
A. Assemble Pipe Sections (DVP Only) 42
B. Assemble Vent Sections (SLP Only) 43
C. Assemble Slip Sections 44
D. Secure the Vent Sections 44
E. Disassemble Vent Sections 45
F. Install Decorative Ceiling Components (SLP only) 45
G. Install Metal Roof Flashing 46
H. Assemble and Install Storm Collar 47
I. Install RF4-8 48
J. Installing Vertical Termination Cap 49
K. Installing Decorative Wall Components (SLP only)49
L. Heat Shield Requirements for
Horizontal Termination 49
M. Install Horizontal Termination Cap 50
11 Gas Information
A. Fuel Conversion 51
B. Gas Pressure 51
C. Gas Connection 51
D. High Altitude Installations 51
12 Electrical Information
A. Wiring Requirements 52
B. Intellifire Ignition System Wiring 52
C. Electrical Service and Repair 52
D. Junction Box Installation 52
E. WSK-MLT Multifunction Wall Switch 53
F. Install the Flame Solenoid 55
G. Hook up the Temperature Sensor Switch for Fan 55
H. Install the Remote Cover Plate 56
I. WSK-MLT Operating Instructions 57
J. Setting Flame Height/Manifold Pressure 57
K. Wall Switch Button Operation 57

Heatilator • Caliber CNXT Series • 4047-132 Rev T • 09/084
= Contains updated information.
13 Finishing
A. Mantel and Wall Projections 59
B. Facing Material 59
14 Appliance Setup
A. Remove Glass Assembly 60
B. Remove the Shipping Materials 60
C. Clean the Appliance 60
D. Accessories 60
E. Heat-Zone-Gas 60
F. Lava Rock, Vermiculite, Rockwool Placement 60
G. Log Assembly 61
H. Fixed Glass Assembly 62
I. Install Trim and/or Surrounds 62
J. Install Hood 62
K. Air Shutter Setting 62
15 Troubleshooting
A. Intellifire Ignition System 63
16 Reference Materials
A. Appliance Dimension Diagram 65
B. Vent Components Diagrams 66
C. Service Parts 73
D. Optional Components 79
E. Contact Information 80

Heatilator • Caliber CNXT Series • 4047-132 Rev T • 09/08 5
B. Warranty
Hearth & Home Technologies LIMITED WARRANTY
Hearth & Home Technologies (“HHT”) and its respective brands extends the following warranty for HHT gas, wood,
pellet and electric appliances purchased from an authorized HHT dealer and installed in the United States of America or
Canada. Warranty starts with date of purchase by the original owner (End User) except as noted for replacement parts.
CONDITIONS, EXCLUSIONS & LIMITATION OF LIABILITY
 This warranty applies to the original owner and is transferable up to two years from date of purchase to the new
homeowner, provided the purchase was made through an authorized dealer or distributor of HHT, and the appliance
remains in its original place of installation.
 The maximum amount recoverable under this warranty is limited to the purchase price of the product.
 In no event shall HHT be liable for any incidental or consequential damages caused by defects in the product.
 Adjustments, regular maintenance, cleaning and temporary repairs, or the failure to duplicate the problem in the home
is not covered under this warranty.
4021-645A 09-01-08 Page 1 of 2
Warranty Period HHT Manufactured Appliances and Venting
Components Covered
Parts Labor Gas Wood Pellet EPA
Wood Electric Venting
1Year XXXXXX
All Parts and Material Except
as covered by Conditions,
Exclusion, and Limitations listed
2 years
XX Igniters, Electronic
Components, and Glass
XXXX Blowers
X Molded Refractory Panels
3 years X Firepots
5 years 3 years X X Castings & Baffles
7 years 3 years X X X
Firebox, HHT Chimney,
Termination & Heat
Exchanger
10
years 1 year X Burners, Logs & Refractory
Limited
Lifetime 1 year X Firebox & Heat Exchanger
90 Days XXXXXX All Replacement Parts
See Conditions, Exclusions, and limitations. 9-01-08
