Heat Controller MGD90-E3A - Manual

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PDF Text Table of Contents

Table of Contents:

• Page 2 – MGD Series Gas Furnace Installation Instructions; SPECIFICATIONS
• Page 3 – SAFETY CONSIDERATIONS INSTALLATION STANDARDS; CODE COMPLIANCE; “Recreational Vehicles” – ANSI – 119/NFPA – 501C; HIGH ALTITUDE INSTALLATION; The words “Shall” or “Must” indicate a
• Page 4 – RETURN AIR; If the return-air opening is located in the floor of
• Page 7 – SEALED COMBUSTION ROOF JACK – (REQUIRED)
• Page 8 – CUTTING ROOF JACK OPENING; Next pull down the 7” D combustion air pipe seating; INSTALLATION IN SNOW REGIONS
• Page 9 – bushing on the left side of the furnace.
• Page 11 – WIRING DIAGRAM, MGD
• Page 12 – REPLACEMENT PARTS
• Page 13 – MGD Gas Furnace Parts List; ITEM NO. USED ON FURNACE MODEL PART NO.

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MGD Series Gas Furnace Installation Instructions

Heat Controller, Inc. Jackson, MI 49203 MGD Installation Instructions 1

INSTALLATION INSTRUCTIONS

SEALED COMBUSTION
DOWNFLOW MGD SERIES
GAS FURNACE

SIZES 60, 75, 90

FOR INSTALLATION IN:

MANUFACTURED (MOBILE)

CAUTION: READ ALL SAFETY GUIDES

HOMES, RECREATIONAL VEHICLES, PARK MODELS,

BEFORE INSTALLING THIS FURNACE

MODULAR HOMES AND BUILDINGS

GENERAL INFORMATION

These down flow sealed combustion furnaces install in
Manufactured Homes, Recreational Vehicles or Modular
Construction. The furnaces conform to Part 3280 (a) (2) of
HUD Manufactured Homes Construction and Safety
Standards. They must be installed only with listed RJ-Roof
Jack, Sealed Combustion venting system.

NOTE: These instructions are intended to assist qualified
individuals experienced in the installation of heating
equipment.
Some state and local codes require installation personnel to be
licensed. Read all instructions before starting the installation.

SAVE THIS MANUAL

NOTICE –

Furnace set-up and any adjustment needed is

responsibility of the installer/ retailer/ contractor and is not
covered by the furnace manufacturers warranty.

CHECKLIST: FURNACE START-UP

1.

Has furnace roof jack crown been correctly installed?

2.

Has the furnace gas valve and burner orifice been
cleaned?

3.

Is the gas line outlet pressure set for the fuel used?

4.

If the home uses a crossover air connector duct, is it

installed per homebuilders installation instructions?
5.

Has furnace been operated through complete heating
cycle?

WARNING-RISK OF FIRE OR ELECTRICAL SHOCK

Only qualified service personnel shall be used to install
and provide maintenance of this furnace.

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