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5

SAFETY INFORMATION

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 

neighbors phone. Follow the gas suppliers 
instructions.

• If you cannot reach your gas supplier, call the 

fi re department.

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

Figure 1. Gas Valves

IN

TWO - STAGE VALVE

ON

OFF

SINGLE STAGE VALVE

MODULATING VALVE

 WARNING:

The furnace was shipped from the factory 
equipped to operate on natural gas. Conversion 
to LP/propane gas must be performed by a 
licensed HVAC technician using a factory 
supplied conversion kit. Failure to use the 
proper conversion kit can cause fi re, explosion, 
property damage, carbon monoxide poisoning, 
personal injury, or death.

INSPECTION

Your furnace and its venting system should be inspected 
annually by a licensed HVAC technician. The fi lter should 
be inspected at least once a month. See page 7 for Items 
that should be inspected by the homeowner.

VENTING SYSTEM

 WARNING:

It is imperative to maintain proper operation 
of the venting system, including the masonry 
chimney if applicable. Insuffi cient venting could 
create the production of excessive amounts of 
Carbon Monoxide - a colorless, odorless gas that 
is a deadly poison that could result in serious 
personal injury or death.

SHUTTING DOWN THE FURNACE

Should you ever need to shut down your furnace for service 
or maintenance, shut off the gas valve to the furnace 
before shutting off the electrical service. Your furnace 
may be equipped with one of three types of gas valves. 
Remove the door panel from the front of the furnace and 
determine which valve type matches your installation in 
Figure 1. Either move the switch or turn the knob to the 
OFF Position. Additional instructions for shutting down the 
furnace can be found on page 7. If your installation has 
a manual gas shutoff valve on the gas supply pipe, shut 
this off, then shut off the electric to the furnace.

•  New or newly renovated homes may require more 

frequent changing until the construction dust has 
minimized. Filters designed to remove smaller particles 
such as pollen, may require additional maintenance. 

GAS SUPPLY AND PIPING

This furnace does not have a pilot. It is equipped with an 
ignition device which automatically lights the burner. 

DO 

NOT

 light the burner by hand. 

IMPORTANT NOTE:

 

Should the gas supply fail to shut 

off or if overheating occurs, shut off the gas valve to the 
furnace before shutting off the electrical supply!

 WARNING:

All gas piping and shutoff valves must be 
installed in compliance with local codes and 
utility regulations by licensed installers. DO 
NOT attempt to modify, or tap into existing 
gas lines yourself. Fire or explosion may result 
causing property damage, personal injury or 
loss of life. Failure to follow the safety warnings 
exactly could result in serious injury, death or 
property damage.

Содержание *MQ 97%+ Upfl ow/Horizontal

Страница 1: ...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 neigh...

Страница 2: ...2...

Страница 3: ...ce and Air Ducts 8 TROUBLESHOOTING 8 LOCATION OF SINGLE STAGE FURNACE COMPONENTS 9 LOCATION OF TWO STAGE FURNACE COMPONENTS 10 LOCATION OF MODULATING FURNACE COMPONENTS 11 Congratulations on the purch...

Страница 4: ...the air return on the furnace or in an air return register in your habitable space If the filter becomes dirty it should be cleaned or replaced SAFETY INFORMATION Safety markings are used frequently...

Страница 5: ...in serious personal injury or death SHUTTING DOWN THE FURNACE Shouldyoueverneedtoshutdownyourfurnaceforservice or maintenance shut off the gas valve to the furnace before shutting off the electrical...

Страница 6: ...an iQ thermostat available through your dealer CAUTION Do not reduce the supply of fresh air to the furnace It is extremely important that the furnacereceivesanunobstructedflowofclean fresh air to pr...

Страница 7: ...s cleaned It is recommended that the furnace air filter be checked at least once a month Clean or replace filter to maintain proper airflow and achieve maximum efficiency Furniture and drapery should...

Страница 8: ...se The return air duct connection s is secured and sealed to the furnace cabinet and terminates outside the area containing the furnace Any signs of damage or loose connections should be repaired by a...

Страница 9: ...PONENT ITEM COMPONENT ITEM COMPONENT 1 Blower Assembly 5 Flame Rollout Switch 9 Gas Valve 13 Pressure Switch 2 Blower Door Switch 6 Flame Sensor 10 Igniter 14 Transformer 3 Burner Assembly 7 Furnace C...

Страница 10: ...Motor Choke 2 Blower Door Switch 6 Flame Sensor 10 Igniter 14 Motor Control Board 3 Burner Assembly 7 Furnace Control Board 11 Inducer Assembly 15 Pressure Switch 4 Combustion Tube 8 Gas Manifold 12 L...

Страница 11: ...Flame Roll Out Switch 6 Flame Sensor 7 Furnace Control Board 8 Gas Manifold 9 Gas Valve 10 Igniter 11 Inducer Assembly 12 Inducer Limit Switch 13 Motor Choke C and D cabinets only 14 Motor Control Bo...

Страница 12: ...7089670 Specifications and illustrations subject to change without notice or incurring obligations Printed in U S A 10 08 O Fallon MO 708967 708967...

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