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Monessen • Mojo Installation/Owner’s Manual • 4623-900 Rev. D • 04/21
A. Appliance Certification
NOT INTENDED FOR USE AS A PRIMARY HEAT SOURCE.
This appliance is tested and approved as either supplemen
-
tal room heat or as a decorative appliance. It should not be
factored as primary heat in residential heating calculations.
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.
9
Product Specific Information
B. BTU Specifications
This product is listed to ANSI standards for “Unvented
Room Heaters” and applicable sections of “Gas Burning
Heating Appliances for Manufactured Homes and Recre
-
ational Vehicles,” and “Gas Fired Appliances for Use at
High Altitudes.”
MODEL:
MJ22NIF/PIF, MJ27NIF/PIF
LABORATORY:
Underwriters Laboratories, Inc. (UL)
TYPE:
Unvented Room Heater
STANDARD:
ANSI Z21.11.2-2016 (Unvented Application)
ANSI Z21.60-2017∙CSA 2.26-2017 (Decorative
Gas Appliances for Installation in Solid-Fuel
Burning Fireplaces)
Models
Maximum
Input
BTU/h
Minimum
Input
BTU/h
Orifice
MJ22NIF
(0-2000 FT)
29,000
21,000
#38
MJ22PIF
(0-2000 FT)
28,000
23,000
#52
MJ27NIF
(0-2000 FT)
38,000
27,000
#32
MJ27PIF
(0-2000 FT)
37,000
29,000
1.9mm
Installation and service of this appliance should be performed by
qualified personnel. Hearth & Home Technologies recommends
HHT Factory Trained or NFI certified professionals.
C. Initial Use
Initial Break-in Procedure
• The burner should run three to four hours continuously
on high.
• Turn the burner off and allow it to completely cool.
This cures the materials used to manufacture the burner.
NOTICE! Open windows for air circulation during
heater break-in.
• Some people may be sensitive to smoke and odors.
• Smoke detectors may activate.