
3
Heatilator • NNXT33-IFT, NNXT33L-IFT, NNXT36-IFT, NNXT36L-IFT Owner’s Manual • 2628-981 Rev. D • 1/21
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.
Note:
The term “recommend” or “recommended” does not indicate a requirement. It is a best practice suggested by Hearth
& Home Technologies
®
. Failure to perform the recommended task will not result in a safety concern.
Table of Contents
1 Welcome
A. Congratulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
B. Limited Lifetime Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2 Product Specific Information
A. Appliance Certification
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
B. Glass Specifications
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
C. BTU Specifications
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3 Important Safety and Operating Information
A. Appliance Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
B. General Operating Parts . . . . . . . . . . . . . . . . . . . . . . . . . . 8
C. Fuel Specifications
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
D. Wall and Mantel Temperatures . . . . . . . . . . . . . . . . . . . . . 8
E. Wall Surface/TV Guidelines . . . . . . . . . . . . . . . . . . . . . . . . 8
F. Before Lighting Appliance. . . . . . . . . . . . . . . . . . . . . . . . . 10
G. Lighting Instructions (IPI) . . . . . . . . . . . . . . . . . . . . . . . . . 11
H. Appliance Break-In
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
I. Heat Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
J. Operation During A Power Outage . . . . . . . . . . . . . . . . . 13
K. Detailed Component Operating Instructions - IntelliFire
Touch
®
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4 Maintenance and Service
A. Maintenance: Frequency and Tasks
. . . . . . . . . . . . . . . . 16
B. Maintenance Tasks - Homeowner
. . . . . . . . . . . . . . . . . . 16
C. Maintenance Tasks - Qualified Service Technician
. . . . . 18
5 Frequently Asked Questions and Troubleshooting
A. Frequently Asked Questions
. . . . . . . . . . . . . . . . . . . . . . 19
B. Frequently Asked Questions - IntelliFire Touch Controls (IFT-
RC400) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
C. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
6 Reference Materials
A. Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
B. Service Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
C. Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
= Contains updated information.