What to do if you smell gas
Models NNXT4236I, NNXT4236IL NNXT3933I, NNXT3933IL
Owner’s Manual
A. Congratulations
Read this manual before installing or operating this appliance
Please retain this owner’s manual for future reference
Homeowner Reference Information
Installer Guide
Table of Contents
Safety Alert Key
User Guide
Clean the Appliance
Remove Screen Package Assembly
Removing Fixed Glass Assembly
Accessories
WARRANTY COVERAGE
B. Limited Lifetime Warranty
Hearth & Home Technologies Inc LIMITED LIFETIME WARRANTY
WARRANTY PERIOD
WARRANTY EXCLUSIONS
B. Limited Lifetime Warranty continued
WARRANTY CONDITIONS
This warranty is void if
A. Appliance Certification
D. High Altitude Installations
1 Listing and Code Approvals
B. Glass Specifications
Approved Carbon Monoxide Detectors
H. Requirements for the Commonwealth of Massachusetts
Installation of Carbon Monoxide Detectors
Signage
2 Operating Instructions
A. Gas Fireplace Safety
User Guide
B. Your Fireplace
C. Fan Kit optional
F. Fixed Glass Assembly
G. Remote Controls, Wall Controls and Wall Switches
D. Clear Space
J. Before Lighting Fireplace
H. IPI Battery Tray/Battery Installation
I. Control Module Operation
5. Module Reset
FOR YOUR SAFETY READ BEFORE LIGHTING
K. Lighting Instructions IPI
Final inspection by
LIGHTING INSTRUCTIONS IPI
Initial Break-in Procedure
M. Frequently Asked Questions
L. After Fireplace is Lit
NOTICE! Open windows for air circulation during fireplace break-in
Glass Cleaning
3 Maintenance and Service
A. Maintenance Tasks-Homeowner
Remote Control
Logs
B. Maintenance Tasks-Qualified Service Technician
Gasket Seal and Glass Assembly Inspection
Firebox
Getting Started
Installer Guide
A. Typical Appliance System
C. Tools and Supplies Needed
B. Design and Installation Considerations
D. Inspect Appliance and Components
Model
5 Framing and Clearances
A. Select Appliance Location
Figure 5.1 Appliance Locations
B. Construct the Appliance Chase
C. Clearances
Mantels
D. Mantel and Wall Projections
Mantel Legs or Wall Projections
Horizontal
6 Termination Locations
A. Vent Termination Minimum Clearances
20 in
T max = 2/# term caps x S actual
Figure 6.3 Minimum Clearances for Termination
S min = # term caps x
Heatilator Novus NNXT 4055-879 Rev. o 2/12
B. Vent Table Key
7 Vent Information and Diagrams
A. Approved Pipe
C. Use of Elbows
V1 H1
E. Vent Diagrams
1. Top Vent - Horizontal Termination
One Elbow
Installed Vertically
1. Top Vent - Horizontal Termination - continued
H3 Installed Horizontally
Two 45 Elbows replacing One 90 Elbow
Install Top Vent Flue Visor - No Elbow Configura
Installed Vertically
2. Top Vent - Vertical Termination
1. Top Vent - Horizontal Termination - continued
Pull side refractory forward & out
Remove the side refractory
Lift top refractory and hold in place
Lower & twist pull out
12 ft 3.66 m min 60 ft 18.29 m max
2. Top Vent - Vertical Termination - continued
Three Elbows
Heatilator Novus NNXT 4055-879 Rev. o 2/12
12 ft 3.66 m min. 60 ft 18.29 m max
2. Top Vent - Vertical Termination - continued
Two Elbows
Heatilator Novus NNXT 4055-879 Rev. o 2/12
No Elbow
3. Rear Vent - Horizontal Termination
18 in. 457 mm max
One 45 Elbow
Installed Horizontally
V1 H1
3. Rear Vent - Horizontal Termination - continued
Two Elbows
0 min 6 ft 1.83 m max 12 ft 3.66 m min 60 ft 18.29 m max
4. Rear Vent - Vertical Termination
One Elbow
Two Elbows
0 min 6 ft 1.83 m max 12 ft 3.66 m min
4. Rear Vent - Vertical Termination - continued
Three Elbows
60 ft 18.29 m max. Maximum horizontal run is
B. Wall Penetration Framing
8 Vent Clearances and Framing
A. Pipe Clearances to Combustibles
Combustible Wall Penetration
C. Install the Ceiling Firestop
Flat Ceiling Installation
D. Install Attic Insulation Shield
Vaulted Ceiling Installation
Wear protective gloves and safety glasses during installa
9 Appliance Preparation
A. Top Vent
NOTICE Once appliance is set up for top or rear venting
Discard the vent cap, remove and discard the insulation
B. Rear Vent
NOTICE Once appliance is set up for top or rear venting
it CANNOT be changed at a later time
Sagging or loose insulation Insulation backing or plastic
C. Secure and Level the Appliance
WARNING! Risk of Fire! Prevent contact with
Framing and other combustible materials
Attach Pipe to the Firebox Assembly
10 Install Vent Pipe
A. Assemble Vent Sections DVP Only
Assemble Pipe Sections
C. Assemble Slip Sections
B. Assemble Vent Sections SLP Only
Only outer pipes are sealed, sealing the inner flue is not required
D. Secure the Vent Sections
E. Disassemble Vent Sections
F. Install Decorative Ceiling Components SLP only
H. Assemble and Install Storm Collar
G. Install Metal Roof Flashing
CAULK
K. Heat Shield Requirements for Horizontal Termination
I. Install Vertical Termination Cap
J. Install Decorative Wall Components SLP only
Termination Cap
1-1/2 38 mm minimum overlap of flue telescoping section is required
L. Install Horizontal Termination Cap
Failure to maintain overlap may cause overheating and fire
B. Field Constructed Shrouds
11 Shrouds
A. HHT Shrouds
Open Top Shroud may be used with DVP-TV, DVP-TVHW, SLP-TVHW
Mailbox Style Shroud may be used with DVP-TV, DVP-TVHW, SLP-TVHW
Figure 11.2 Mailbox Style Shroud Dimensions
Figure 11.2 Roofed Style Shroud Dimensions
Roofed Style Shroud may be used with DVP-TV, DVP-TVHW, SLP-TVHW
B. Gas Pressure
12 Gas Information
A. Fuel Conversion
C. Gas Connection
C. Optional Accessories Requirements
A. Wiring Requirements
B. Intellifire Plus Ignition System Wiring
13 Electrical Information
D. Electrical Service and Repair
Figure 13.1 RC200 Wiring Diagram
Switch
E. Junction Box Installation
F. Wall Switch Installation for Fan Optional
Power
Introduction
G. Remote Control Installation & Operations
Installation Precautions
Determine Location
Fan Installation
Installation of Remote Control Housing
AUX200 Module Installation
RED LED
Function Buttons
Setting the Child Lock
Programming the RC200 to the Control Module
FAN CORD
Manual Fireplace Shutoff
Power Outage
Frequently Asked Questions/Troubleshooting
NOTICE Battery polarity must be correct or module damage will occur
Figure 14.1 Minimum Vertical and Maximum Horizontal Dimensions
14 Finishing
A. Mantel and Wall Projections
Mantels
B. Facing Material
D. Removing Fixed Glass Assembly
15 Appliance Setup
B. Remove Screen Package Assembly
A. Remove the Packaging
L. Assemble Logs
G. Clean the Appliance
H. Accessories
I. Place the Rockwool
N. Air Shutter Setting
M. Replacing Fixed Glass Assembly
Close Open
O. Remove Screen Protector
Q. Install Hood
R. Install Control Heat Shield
P. Unpackage the Hood & Floor Cover
Bend to a 90 angle
S. Install Floor Cover
Control Heat Shield in Place
Open
T. Close the Screen Assembly
Hang Screen on Shoulder Screws
Symptom
16 Troubleshooting
A. Intellifire Plus Intermittent Ignition System
Possible Cause
Intellifire Plus Intermittent Pilot Ignition System - continued
19-1/8 in 486 mm 11-5/8in 295 mm Gas Line Access
A. Appliance Dimension Diagram
17 Reference Materials
Alternative
10-1/2 in
B. Vent Components Diagrams
124 mm
267 mm
RF12M
B. Vent Components Diagrams continued
RF6M
Roof Flashing Multi-pak
2-3/4 in
B. Vent Components Diagrams continued
9 in
229 mm
8 in 203 mm Heat Shield
B. Vent Components Diagrams continued
15-1/8 in 384 mm 12 in. 305 mm
Effective
DVP-HRC-SS
B. Vent Components Diagrams continued
DVP-TRAP to DVP-HPC Side Filler Kit
DVP-HRC-ZC-SS
B. Vent Components Diagrams continued
101 mm
B. Vent Components Diagrams continued
203 mm
3-13/16 in
12-1/2 in
B. Vent Components Diagrams continued
9 in
2-3/4 in
NNXT3933I, NNXT4236I
Log Set Assembly
C. Service Parts
Part number list on following page
Stocked
C. Service Parts continued
NNXT3933I, NNXT3933IL
at Depot
Stocked
NNXT4236I, NNXT4236IL
C. Service Parts continued
at Depot
#15 Valve Assembly
#16 Ignition Control Assembly
C. Service Parts
NNXT3933I, NNXT4236I
LDS-BV Decorative Shroud
D. Optional Components
LDS33/LDS46 Decorative Shroud
TCG375 Terra Cotta Cap LDSCP-M Shroud Leg Multipack not shown
E. Contact Information
DO NOT DISCARD THIS MANUAL