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Unvented Gas Log Heater or
Vented Decorative Appliance
Installation and Operating Instructions
860024
MODELS: MJ27NR, MJ27PR
MJ27 cover
Natural Gas or Liquid Propane
10/08
Control Type: Millivolt Hi/Low
WARNINGS
This appliance may be installed
in an aftermarket, permanently
If the information in this manual is not followed exactly,
located, manufactured (mobile)
a fire or explosion may result causing property damage,
home, where not prohibited by
personal injury or loss of life.
local
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CONTENTS Important Safety Information ..................................3 Electrical Wiring (Millivolt) .....................................21 Connecting Remote Receiver ............................22 Getting Started ..........................................................5 Checking System Operation ..............................22 Product Features and Specifications ....................6 Log Placement .......................................................23 Natural Gas ...............
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IMPORTANT SAFETY INFORMATION INSTALLER OWNER Please leave these instructions with the appliance. Please retain these instructions for future reference. IMPORTANT Read these instructions carefully before installing or trying to operate this vent-free gas heater. • Any change to this heater or its controls can be dangerous. • Improper installation or use of the heater can cause serious injury or death from fire, burns, explosion or carbon monoxide poisoning. • Do not allow fans to blow directly i
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IMPORTANT SAFETY INFORMATION continued from page 3 15. This is an unvented gas-fired heater. It uses air 23. Do not use this room heater if any part has been (oxygen) from the room in which it is installed. Pro- under water. Immediately call a qualified service visions for adequate combustion and ventilation air technician to inspect the room heater and to replace must be provided. See page 8. any part of the control system and any gas control which has been under water. 16. Keep room area
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GETTING STARTED MAkE SuRE YOu hA vE RECEIvED ALL PARTS: Check your packing list to verify that all listed parts have been received. You should have the following: • Unvented Gas Log Burner Assembly • Two (2) Plastic Bags Containing Crushed Volcanic Rock • Installation/Operating Instructions • Two (2) Anchoring Screws • Ceramic Fiber Logs • Rock wool • FAI135 Andiron Kit • Flickering Bright Embers • RCSIT Hand Held Remote with Receiver Gloves are recommended when handling ceramic fiber log
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PRODuCT FEATuRES and SPECIFICATIONS NATURAL GAS NOTE: An external regulator is required to reduce supply pressure to a maxi- 1 mum of 10 /2" W.C. on natural gas systems operating at higher pressure. MILLIVOLT Regulator Pressure Setting: 3.5" w.c. Gas Rate Pilot Regulator: 3.5" w.c. Model Number Control Max. BTu/hr Min. BTu/hr 1 Gas Inlet Pressure: Max 10 /2" w.c. MJ27NR Millivolt 38,000 25,500 Min. 5" w.c. PROPANE/LPG Note: An external regulator is required to reduce supply pressure t
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GENERAL INSTALLATION INFORMATION CODES Adhere to all local codes or, in their absence, the latest edition of THE NATIONAL FUEL GAS CODE ANSI Z223.1 or NFPA54 which can be obtained from… American National Standards Institute, Inc. 1430 Broadway New York, NY 10018 or National Fire Protection Association, Inc. Batterymarch Park Quincy, MA 02269 ADEQUATE COMBUSTION AND VENTILATION AIR This heater shall not be installed in a confined space or unusually tight construction unless provi- sions are prov
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GENERAL INSTALLATION INFORMATION Counter Fireplace H W Figure 1 - Example of a Large Room with 1/2 Wall Divider FP2000 log clearances The following formula can be used to determine the maximum heater rating per the definition of unconfined space: (L1 + L2) Ft x (W) Ft x (H) Ft. BTU BTU /hr x 1000 /hr = 50 Consider two connecting rooms with an open area between, with the following dimensions: 1 L1 = 15 /2 Ft., L2 = 12 Ft., W = 12 Ft., H = 8 Ft. 1 (15 /2 + 12) x (12) x (8) BTU BTU /hr = /hr
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FIREPLACE and HEARTH DIMENSIONS This appliance is for installation only in a solid-fuel burning masonry or uL127 factory-built fireplace, vent free appliance, or in listed ventless firebox enclosure. It has been design certified for these installations. Exception: DO NOT install this appliance in a factory-built fireplace that includes instructions stating it has not been tested or should not be used with unvented gas logs. use manufacturer's installation and clearance requirements as defi
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PLACEMENT IN A FIREPLACE wITh A RESTRICTIvE BARRIER IMPORTANT INFORMATION FOR ThE INSTALLATION OF ThIS GAS LOG SET The following are guidelines for placing a gas log set in a fireplace that has a restrictive barrier along the bottom front opening of the fireplace. Some examples of barriers are glass/screen door frames and sunken/recessed fireplaces. Height of Restriction (X) Minimum Depth of Fireplace/Firebox No restriction 14" 1 0 to 1 /2" 17" 1 From 1 /2" to 3" 17" Greater than 3" ANY BARRI
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CLEARANCES and HEIGHT REQUIREMENTS The dimensions shown in Figures 4 through 11 and defined in the fireplace manufacturer's instructions are minimum clearances to maintain when installing this heater. Left and right clearances are determined when facing the front of the heater. when heater is installed into a ventless firebox, minimum clearances, as specified by the ventless firebox manufacturer, must be met. Follow these instructions carefully to ensure safe installation. Failure to follow
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CLEARANCES and HEIGHT REQUIREMENTS Heat resistant material (minimum requirements) with no wooden mantel or other combustible projection: To install the gas logs into a fireplace with no wooden mantel, shelf or other combustible projection above the fireplace opening, measure the heat resistant material height, per Figure 5, then see TABLE A. Heat resistant materials such as slate and marble must be at least 1/2” thick. Sheet metal should not be installed onto combustible material. IMPORTANT:
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CLEARANCES and HEIGHT REQUIREMENTS Heat resistant material (minimum requirements) with wooden mantel or other combustible projection: To install the heater with a wooden mantel, shelf or other combustible projection above, first measure the heat resistant material shown in Figure6, then refer to Table B. 8" or More of Heat Resis- Hood tant Materials Heater in Fireplace or Firebox FP1998 Figure 6 - Measuring Heat Resistant Material for Mantel FP1998 heat resist mantel Heat Resistant Re
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CLEARANCES and HEIGHT REQUIREMENTS 12" 10" 8" 6" Heat 1 2 /2" Resistant Material 1 5 1 8" 14 /2"18 /8" 22 /2" 26" Example: A mantel may project from the wall a maxi- 1 mum of 2 /2" at a minimum of 8" above the opening, and a maximum of 6" at a minimum Hood 1 of 14 /2" above the opening. Heater in Fireplace or Firebox FP1999 Figure 7 - Minimum Mantel Clearance with Hood - All Models FP1999 10" or Less min. mantel clearance Heat Resis- tant Material 12" min. 28" Example: The bottom of t
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CLEARANCES and HEIGHT REQUIREMENTS 7" 6" Figure 9 is an example of an unsafe mantel instal- lation. This mantel projects 4" at 8" above the opening, 1 exceeding the maximum acceptable distance of 2 /2" Mantel 1 The mantel also projects 7" at 14 /2" above the opening, exceeding the maximum acceptable distance of 6". Minimum of 8" Heat If your mantel profile is unsafe, you may either: 1 14 /2" 1 Resistant 2 /2" • Raise the mantel to an acceptable height Material 4" 8" OR • Remove the mante
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FLOOR CLEARANCE 3 The gas log heater must be installed at least 1 /8" above any combustible flooring material, such as carpeting or tile, which is closer than 14" to the base of the fireplace. The minimum distance must be maintained from the top surface of carpeting, tile, etc. Figure10 OR The gas log heater may be installed nearer to the floor if a minimum of 14" of noncombustible material such as slate or marble is installed between the base of the fireplace and the combustible flooring.
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FIREPLACE PREPARATION BEFORE FULLY INSTALLING THE UNIT: • Turn OFF the gas supply to the fireplace or firebox. • Seal any fresh air vents and/or ash clean-out doors located on the floor or wall of the fireplace. If left unsealed, drafting may cause pilot outage or sooting. Use a heat resistant sealant. Do not seal the chimney flue damper. Before installing in a solid fuel burning fireplace, The chimney flue and firebox must be cleaned of soot, creosote, ashes and loose paint by a qualifie
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INSTALLING vENTED APPLICATIONS PLACING AND SECuRING APPLIANCE You must secure the gas log heater to the fireplace floor. If not, the entire unit may move when you adjust the controls. Movement of unit may cause shifting of the gas logs which leads to sooting and improper burning. Grate movement could cause a gas leak. Special care is required if you are installing the unit into a sunken fireplace. You must raise the fireplace floor to allow access to gas log controls. This will insure adequat
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CONNECTING THE GAS NOTICE: A qualified gas appliance installer must connect the heater to the gas supply. Consult all local codes. use new black iron or steel pipe. Internally tinned copper or copper tubing can be used per National Fuel Code, section 2.6.3, providing gas meets hydrogen sulfide limits, and where permitted by local codes. Gas piping system must be sized to provide minimum inlet pressure (Listed on Data Plate) at the maximum flow rate (BTu/hr). undue pressure loss will occur i
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ChECkING GAS PRESSuRE The heater gas inlet connection is a 3/8" NPT at the valve. On all control type units, the inlet connection is on the right Connecting directly to an side of unit. To connect from the opposite side, route the pipe unregulated propane/LPG tank around the back portion of the unit. can cause an explosion. When tightening up the joint to the valve, hold the valve securely to prevent movement. Test all gas joints from the gas meter to the heater valve for leaks using a ga
