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6

Blower 

Assembly

Blower Door 

Switch

Burner

Assembly

Control Board

Finish

Flange

Flame

Sensor

Gas Manifold

Gas Valve

Igniter

Inducer Assembly

Main Air Limit Switch

Pressure Switch

(Inducer)

Pressure Switch - Condensate

(‘B’, ‘C’, & ‘D’ cabinets only)

Roll-Out

Switch

Transformer

Vent Limit Switch

Burner

Assembly

Flame Sensor

Roll-Out

Switch

Finish Flange

Blower Assembly

(behind blower panel)

Blower Door Switch

(behind blower panel)

Gas

Manifold

Gas Valve

Igniter

Inducer Assembly

Inducer Limit Switch

Furnace Control Board

Pressure Switch

Transformer

Figure 1. MG3P Series Upflow Furnace

Figure 2. MG3S Series Downflow Furnace

COMPONENT LOCATIONS

Содержание MG3P

Страница 1: ...IMPORTANT Please read all information in this manual thoroughly and become familiar with the capabilities and use of your appliance before attempting to operate or maintain this unit Pay attention to...

Страница 2: ...OD DAMAGE 4 ABOUT THE FURNACE 5 INTRODUCTION 5 CATEGORY IV CONDENSING FURNACES 5 FILTER 5 FURNACE LOCATION 5 TROUBLESHOOTING 5 COMPONENT LOCATIONS 6 STARTUP SHUTDOWN 7 STARTING THE FURNACE 7 SHUTTING...

Страница 3: ...ou les sorties de l vent de l appareil de chauffage et la prise d air ne soient enaucunefa on obstru es quellequesoitlasaison Safety markings are used frequently throughout this manual to designate a...

Страница 4: ...Never operate the furnace without a filter in place Accumulating dust in the return air can build up on internal components resulting in loss of efficiency equipment damage and possible fire Keep air...

Страница 5: ...ace operation The homeowner must make sure the condensate drain lines do not become blocked pinched or crushed If the furnace is installed in an area where temperatures fall below freezing special pre...

Страница 6: ...e B C D cabinets only Roll Out Switch Transformer Vent Limit Switch Burner Assembly Flame Sensor Roll Out Switch Finish Flange Blower Assembly behind blower panel Blower Door Switch behind blower pane...

Страница 7: ...F YOU NEED TO SHUT DOWN YOUR FURNACE FOR SERVICE OR MAINTENANCE SHUT OFF THE GAS VALVE TO THE FURNACE BEFORE TURNING OFF THE ELECTRICAL SERVICE If your installation has a manual gas shutoff valve on t...

Страница 8: ...the furnace The furnace venting system should be inspected annually by a licensed HVAC technician Vent pipe must slope upwards and be physically secured without holes or corrosion Any corroded sectio...

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