MGD Series Gas Furnace
SAFETY CONSIDERATIONS
•ELECTRIC POWER - turn off all electrical power to furnace before performing any maintenance or service on unit. Failure to take this precaution may result in personal injury due to electrical shock.
•SERVICE - a qualified service technician should service this unit. Fuel burning appliances can generate toxic flue products. Modification of the appliance can cause carbon monoxide in deadly amounts. To prevent a safety hazard, maintain this
appliance in a safe operating manner and do not modify.
•DO NOT modify vent or operate the unit with a blocked vent or inlet air pipe.
•DO NOT
•DO NOT use matches, lighters, candles, or other sources of open flame to check for gas leaks.
•PROPER maintenance for this unit requires certain mechanical skills and tools. If you are at all uncertain, contact your Heating Service Co. for maintenance and service.
•CONSULT with a service technician for any problems or questions you may have pertaining to this appliance.
•ALWAYS inspect the appliance before starting a new heating season, paying special attention to vent pipes and fuel lines.
NOTE: The words “Shall” or “Must” indicate a requirement, which is essential to satisfactory and safe furnace performance.
The words “Should” or “May” indicate a recommendation which may be helpful or enhance performance.
Installation Instructions
INSTALLATION STANDARDS
CODE COMPLIANCE
The installer shall become familiar with and follow all local codes and regulations which govern the installation of this furnace. Where applicable, local codes may take precedence.
•Federal Manufactured Home Construction and Safety Standards – HUD Title 24, Part 3280.
•National Fuel Gas Code –
•Unit electrical wiring and grounding shall comply with National Electrical Code –
•“Manufactured Housing” –
•“Recreational Vehicles” – ANSI – 119/NFPA – 501C
HIGH ALTITUDE INSTALLATION
For elevations above 2,000 feet derate furnace input 4% for each 1,000 feet of elevation above sea level. Furnace deration is accomplished by reducing the burner orifice size. See DERATING CHART for orifice size and CONVERSION INSTRUCTIONS, Page 16.
INSTALLATION CLEARANCES
These furnaces are design certified for the following minimum clearances from combustible materials in alcove or close instllations.
Top ……………………………….6 in.
Sides ……………………………...0 in.
Back ………………………………0 in.
Duct ……………………………….0 in.
Vent/Roof Jack ……………………0 in.
*If the return air opening is below the top of the furnace, clearance to the side or rear shall be 6”.
**See Return Air for clearances less than 6”.
Locate furnace to ensure adequate room for service access to all vent connections, controls and the heat exchanger. A front clearance of 18” minimum (24” recommended) shall be provided by a closet door or spacing away from a facing wall or partition.
For installation on combustible flooring (except carpeting) using manufacturers supplied floor base P/N 87FB0005 and duct Connector Series P/N 86AA001, included in
Heat Controller, Inc. Jackson, MI 49203 | MGD Installation Instructions 3 |