Application Certification; Btu Specifications; Initial Use - Monessen Hearth Mojo Series Installation & Owner's Manual

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Product Specific Information
A. Appliance Certification
MODEL: MJ22NIF/PIF, MJ27NIF/PIF
Underwriters Laboratories, Inc. (UL)
LABORATORY:
TYPE: Unvented Room Heater
ANSI Z21.11.2-2016 (Unvented Application)
STANDARD:
ANSI Z21.60-2017∙CSA 2.26-2017 (Decorative
Gas Appliances for Installation in Solid-Fuel
Burning Fireplaces)
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."
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.
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.
Installation and service of this appliance should be performed by
qualified personnel. Hearth & Home Technologies recommends
HHT Factory Trained or NFI certified professionals.
Monessen • Mojo Installation/Owner's Manual • 4623-900 Rev. D • 04/21
B. BTU Specifications
Models
MJ22NIF
(0-2000 FT)
MJ22PIF (0-2000 FT)
MJ27NIF (0-2000 FT)
MJ27PIF (0-2000 FT)
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.
Maximum Minimum
Input Input Orifice
BTU/h BTU/h
29,000 21,000 #38
28,000 23,000 #52
38,000 27,000 #32
37,000 29,000 1.9mm
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