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Bosch 80% AFUE Gas Furnace 

                                                                                                            

User's Information  Manual 

06.2018 

|

 Bosch Thermotechnology Corp.

Data subject to change

1     Key to Symbols and Safety Instructions

1.1     Key to Symbols

Warnings 

      Warnings in this document are identifi ed by a 

warning triangle printed against a grey background.
Keywords at the start of a warning indicate the type and seriousness  
of the ensuing risk if measures to prevent the risk are not taken.

The following keywords are defi ned and can be used in this document:

 

DANGER 

indicates a hazardous situation which, if not avoided, will result 

in death or serious injury.

 

WARNING

 indicates a hazardous situation which, if not avoided, could 

result in death or serious injury.

 

CAUTION

 

indicates a hazardous situation which, if not avoided, could 

result in minor to moderate injury.

 

NOTICE 

is used to address practices not related to personal injury.

Important information

 

   This symbol indicates important information where

there is no risk to people or property.

1.2     Safety

Please read all instruction in the manual and retain all manuals for future reference.

 

   INSTALLER: This manual must be left with the equipment user. 

USER: Please keep this booklet of information for future reference.  

       

WARNING:  

 

 

Untrained personnel (homeowners) may only clean and 
replace filters and replace fuses as required by basic 
maintenance.

 All other operations, including installation, 

repair, and service must be performed by a qualified 
installer, service agency, or the gas supplier.

       

WARNING: FIRE OR EXPLOSION HAZARD

 

Do not store or use gasoline or other flammable vapors and 
liquids in the vicinity of this or any other appliance.

 

WHAT TO DO IF YOU SMELL GAS:

 

Do not try to light any appliance.

 

Do not touch any electrical switch; do not use any 
phone in your building.

 

Leave the building immediately.

 

Immediately call your gas supplier from a neighbor’s 
phone. Follow the gas supplier’s instructions.

 

If you cannot reach your gas supplier, call the fire 
department.

 

Installation and service must be performed by a qualifi ed 
installer, service agency, or the gas supplier.

 

   Do not use this furnace if any part has been under water. A fl ood-damaged 

furnace is extremely dangerous. Attempts to use the furnace can result 
in fi re or explosion. A qualifi ed service agency should be contacted 
to inspect the furnace and to replace all gas controls, control system 
parts, and electrical parts that have been wet, or the furnace if deemed 
necessary.

       

WARNING: FIRE OR EXPLOSION HAZARD

 

The furnace is designed and approved for use with Natural 
Gas and (LP) Propane Gas ONLY. 

 

DO NOT BURN ANY LIQUID FUEL OR SOLID FUEL IN THIS 
FURNACE.

 

Burning any unapproved fuel will result in damage to the 
furnace's heat exchanger, which could result in Fire, Personal 
Injury, and/or Property Damage.

Содержание BGS80

Страница 1: ...Bosch 80 AFUE Gas Furnace BGS80 Model 4 Way Multipoise Category I Fan Assisted Furnace User s Information Manual 3124627 ...

Страница 2: ...2 Bosch 80 AFUE Gas Furnace User s Information Manual 06 2018 Bosch Thermotechnology Corp Data subject to change ...

Страница 3: ...nge Table of Contents 1 Key to Symbols and Safety Instructions 4 1 1 Key to Symbols 4 1 2 Safety 4 2 Introduction 6 3 Furnace Components 6 4 Operating Your Furnace 7 4 1 Furnace Start Up 7 4 2 Furnace Shutdown 7 5 Routine Maintenance 8 5 1 Annual Inspection 8 5 2 Filters 8 5 3 Burners 9 5 4 Replacement Parts 9 ...

Страница 4: ...rs and replace fuses as required by basic maintenance All other operations including installation repair and service must be performed by a qualified installer service agency or the gas supplier WARNING FIRE OR EXPLOSION HAZARD Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any applia...

Страница 5: ...od flooring Special base is not required when this furnace is installed on industry standard Coil Assembly matching correct furnace width WARNING CARBON MONOXIDE POISONING HAZARD Failure to follow instructions could result in severe personal injury or death due to carbon monoxide poisoning if combustion products infiltrate into the building Check that all openings in the outside wall around the ve...

Страница 6: ...es as well as some basic maintenance and up keep to ensure your furnace is always running at its optimal performance 3 Furnace Components The furnace below is shown in the upflow orientation your furnace may have been installed in a different orientation Figure 1 6 8 9 10 11 1 2 3 4 5 7 Component Identification 1 Heat Exchanger 2 Pressure Switch 3 Inducer Blower and Motor 4 Flame Sensor 5 Gas Valve ...

Страница 7: ...om thermostat to slightly above room temperature This signals the furnace to start the inducer motor starts and the hot surface igniter energizes 13 After 17 21 seconds the gas valve energizes letting gas flow to the burners where it is then ignited If flame is not detected the furnace control goes into the retry sequence The retry sequence provides a 60 second wait following an unsuccessful ignitio...

Страница 8: ...cracks The trap must be filled with water and the drain and trap should be cleaned 2 The Blower The bearings in the induced draft blower and circulator blower motors are permanently lubricated by the manufacturer No further lubrication is required Check motor windings for accumulation of dust which may cause overheating Clean as necessary 3 The Flame Sensor Under some conditions the fuel or air sup...

Страница 9: ...ize Filter type Side return Bottom return 14 1 2 16X25 14X25 High Velocity 600 FPM 17 1 2 16X25 16X25 High Velocity 600 FPM 21 16X25 20X25 High Velocity 600 FPM 24 5 16X25 24X25 High Velocity 600 FPM Table 1 Manufacturer recommended high velocity filter sizes Inch 5 3 Burners Periodically during the heating season perform a visual check of the burner flames Turn the furnace on at the thermostat Wai...

Страница 10: ...10 Bosch 80 AFUE Gas Furnace User s Information Manual 06 2018 Bosch Thermotechnology Corp Data subject to change ...

Страница 11: ...User s Information Manual Bosch 80 AFUE Gas Furnace 11 Bosch Thermotechnology Corp 06 2018 Data subject to change ...

Страница 12: ...United States Bosch Thermotechnology Corp 65 Grove Street Watertown MA 02472 Tel 866 642 3198 Fax 954 776 5529 www boschheatingandcooling com BTC 770304101 A 06 2018 ...

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