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Heatilator • CNXT4236IT-D, CNXT4842IT-D, CNXT4236IH-D, CNXT4842IH-D • 2360-900 Rev. i • 5/17
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 Certification
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
B. 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
D. Clear Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
E. Decorative Doors and Fronts . . . . . . . . . . . . . . . . . . . . . . 10
F. Fixed Glass Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
G. Remote Controls, Wall Controls and Wall Switches . . . . . 10
H. IPI Battery Tray/Battery Installation . . . . . . . . . . . . . . . . . 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-Qualified Service Technician
. . . . . . 15
C. Refractory, Logs/Grate and Valve Assembly Removal . . . 16
D. Burner Identification/Verification
. . . . . . . . . . . . . . . . . . . . 18
Installer Guide
4 Getting Started
A. Typical Appliance System. . . . . . . . . . . . . . . . . . . . . . . . . 19
B. Design and Installation Considerations . . . . . . . . . . . . . . 20
C. Tools and Supplies Needed . . . . . . . . . . . . . . . . . . . . . . . 20
D. Inspect Appliance and Components . . . . . . . . . . . . . . . . . 20
5 Framing and Clearances
A. Selecting Appliance Location . . . . . . . . . . . . . . . . . . . . . . 21
B. Constructing the Appliance Chase . . . . . . . . . . . . . . . . . . 22
C. Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
D. Mantel and Wall Projections . . . . . . . . . . . . . . . . . . . . . . . 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
8 Vent Clearances and Framing
A. Pipe Clearances to Combustibles . . . . . . . . . . . . . . . . . . 40
B. Wall Penetration Framing . . . . . . . . . . . . . . . . . . . . . . . . . 40
C. Install the Ceiling Firestop . . . . . . . . . . . . . . . . . . . . . . . . 41
D. Install Attic Insulation Shield . . . . . . . . . . . . . . . . . . . . . . . 41
E. Installing the Optional Heat-Zone
®
Gas Kit . . . . . . . . . . . . . 42
9 Appliance Preparation
A. Top Vent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
B. Rear Vent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
C. Installing the Non-combustible Board. . . . . . . . . . . . . . . . 45
D. Securing and Leveling the Appliance . . . . . . . . . . . . . . . . 45
10 Installing Vent Pipe (DVP and SLP Pipe)
A. Assemble Vent Sections (DVP Pipe Only) . . . . . . . . . . . . 46
B. Assemble Vent Sections (SLP Pipe Only) . . . . . . . . . . . . 47
C. Assemble Slip Sections . . . . . . . . . . . . . . . . . . . . . . . . . . 47
D. Secure the Vent Sections . . . . . . . . . . . . . . . . . . . . . . . . . 48
E. Disassemble Vent Sections . . . . . . . . . . . . . . . . . . . . . . . 48
F. Install Decorative Ceiling Components (SLP only) . . . . . . 49
G. Install Metal Roof Flashing . . . . . . . . . . . . . . . . . . . . . . . . 50
H. Assemble and Install Storm Collar . . . . . . . . . . . . . . . . . . 50
I. Install Vertical Termination Cap . . . . . . . . . . . . . . . . . . . . 51
J. Install Decorative Wall Components (SLP only) . . . . . . . . 51
K. Heat Shield Requirements for Horizontal Termination . . . 51
L. Install Horizontal Termination Cap (DVP and SLP Pipe) . 52
11 Gas Information
A. Fuel Conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
B. Gas Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
C. Gas Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
D. High Altitude Installations . . . . . . . . . . . . . . . . . . . . . . . . . 53
12 Electrical Information
A. Wiring Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
B. IntelliFire
TM
Plus Ignition System Wiring . . . . . . . . . . . . . . 54
C. Optional Accessories Requirements . . . . . . . . . . . . . . . . 54
D. Electrical Service and Repair . . . . . . . . . . . . . . . . . . . . . . 55
E. Junction Box Installation. . . . . . . . . . . . . . . . . . . . . . . . . . 55