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44

Unit Location

1. The furnace area and the vicinity of any other gas ap-

pliances must be kept clear and free of combustible
materials, gasoline, and other flammable vapors and
liquids. Also, do not store or use flammable items
such as paint, varnish, or lacquer in the area.

2. Do not store or use chlorine or fluorine products

(bleaches, cements, strippers, aerosols) near the unit.
They can corrode the heat exchanger.

3. Do not use the furnace closet as storage for brooms,

mops, brushes and oily rags or cloths. The area must
be kept clear, clean and free of lint. Furnace must be
kept free and clear of exposed or loose insulation ma-
terials in the area of installation. Examine the furnace
area when the furnace or additional insulation is
added since some insulation materials may be com-
bustible.

4. Make sure the furnace is always connected to an ap-

proved vent, in good condition, to carry combustion
products outdoors.

5. Familiarize yourself with the controls that shut off the

gas and electrical power to the furnace. If the furnace
is to be shut down at the end of the heating season,
turn off both the gas and electrical power. For safety,
always turn the gas and electrical power off before
performing service or maintenance on the furnace.

6. Establish a regular maintenance schedule to insure

efficient and safe operation of the furnace. The fur-
nace should be checked at the beginning of each
heating and cooling season by a qualified service
technician.

WARNING

To avoid personal injury or fire, minimum clearances
to combustible surfaces must be followed.

7. Make certain the required clearances for the furnace

are always maintained. These clearances are listed
on the Furnace Clearance Label, attached to the fur-
nace unit. If any question develops, contact the in-
staller of the furnace, or another qualified servicer.

Unit Installation

Examine the furnace installation to determine the follow-
ing:
1. All flue product carrying passages external to the fur-

nace (i.e. chimney, vent connector) are clear and free
of obstructions.

2. The vent connector is in place, slopes upward and is

physically sound without holes or excessive corro-
sion.

3. The return air duct connection is physically sound,

sealed to the furnace casing, and terminates outside
the space containing the furnace.

4. The physical support of the furnace is sound without

sagging, cracks, or gaps around the base so as to
provide a seal between the support and the base.

5. There are no obvious signs of deterioration of the fur-

nace.

6. Check the burner flames for adjustment.  Flames

should be stable, soft and blue, (dust may cause or-
ange tips but must not be yellow). The flames should
extend directly outward from the burner without curl-
ing, floating, or lifting off (Figure 1).

WARNING

This product contains or produces a chemical or chemicals which may cause serious illness or death and which
are known to the State of California to cause cancer, birth defects or other reproductive harm.

WARNING

To avoid possible equipment damage, personal injury, fire or death, the following instructions must be observed
regarding unit location, air requirements and operating procedures.

This furnace is built to provide many years of safe and dependable service, providing it is properly installed and
maintained. However, abuse and/or improper use can shorten the life of the furnace and create hazards for you, the
homeowner.

General Information

Unit Location

1. The furnace area and the vicinity of any other gas ap-

pliances must be kept clear and free of combustible
materials, gasoline, and other flammable vapors and
liquids. Also, do not store or use flammable items
such as paint, varnish, or lacquer in the area.

2. Do not store or use chlorine or fluorine products

(bleaches, cements, strippers, aerosols) near the unit.
They can corrode the heat exchanger.

3. Do not use the furnace closet as storage for brooms,

mops, brushes and oily rags or cloths. The area must
be kept clear, clean and free of lint. Furnace must be
kept free and clear of exposed or loose insulation ma-
terials in the area of installation. Examine the furnace
area when the furnace or additional insulation is
added since some insulation materials may be com-
bustible.

4. Make sure the furnace is always connected to an ap-

proved vent, in good condition, to carry combustion
products outdoors.

5. Familiarize yourself with the controls that shut off the

gas and electrical power to the furnace. If the furnace
is to be shut down at the end of the heating season,
turn off both the gas and electrical power. For safety,
always turn the gas and electrical power off before
performing service or maintenance on the furnace.

6. Establish a regular maintenance schedule to insure

efficient and safe operation of the furnace. The fur-
nace should be checked at the beginning of each
heating and cooling season by a qualified service
technician.

WARNING

To avoid personal injury or fire, minimum clearances
to combustible surfaces must be followed.

7. Make certain the required clearances for the furnace

are always maintained. These clearances are listed
on the Furnace Clearance Label, attached to the fur-
nace unit. If any question develops, contact the in-
staller of the furnace, or another qualified servicer.

Unit Installation

Examine the furnace installation to determine the follow-
ing:
1. All flue product carrying passages external to the fur-

nace (i.e. chimney, vent connector) are clear and free
of obstructions.

2. The vent connector is in place, slopes upward and is

physically sound without holes or excessive corro-
sion.

3. The return air duct connection is physically sound,

sealed to the furnace casing, and terminates outside
the space containing the furnace.

4. The physical support of the furnace is sound without

sagging, cracks, or gaps around the base so as to
provide a seal between the support and the base.

5. There are no obvious signs of deterioration of the fur-

nace.

6. Check the burner flames for adjustment.  Flames

should be stable, soft and blue, (dust may cause or-
ange tips but must not be yellow). The flames should
extend directly outward from the burner without curl-
ing, floating, or lifting off (Figure 1).

WARNING

This product contains or produces a chemical or chemicals which may cause serious illness or death and which
are known to the State of California to cause cancer, birth defects or other reproductive harm.

WARNING

To avoid possible equipment damage, personal injury, fire or death, the following instructions must be observed
regarding unit location, air requirements and operating procedures.

This furnace is built to provide many years of safe and dependable service, providing it is properly installed and
maintained. However, abuse and/or improper use can shorten the life of the furnace and create hazards for you, the
homeowner.

General Information

Summary of Contents for XF8S

Page 1: ...tained Take time to familiarize yourself with the information concerning furnace installation features operation and maintenance contained within this manual 80 TWO STAGE GAS FIRED FURNACE User s Info...

Page 2: ...the customer This includes all safety precautions and related items Prior to actual installation thoroughly familiarize yourself with this Instruction Manual Pay special attention to all safety warnin...

Page 3: ...the furnace and to replace any part of the control system and any gas control having been under water Your warranty certificate is also supplied with the unit Read the warranty carefully and note what...

Page 4: ...use can shorten the life of the furnace and create hazards for you the homeowner General Information Unit Location 1 The furnace area and the vicinity of any other gas ap pliances must be kept clear...

Page 5: ...home and is warmed to 72 F the relative humidity will drop to 6 very dry if no more moisture is added General Information Check the burner flames for 1 Good adjustment 2 Stable soft and blue 3 Not cur...

Page 6: ...F 20 40 10 F 15 35 0 F 10 30 10 F 5 25 20 F 5 20 30 F 3 18 Table 1 For Propane LP Installations Only For furnaces operating on propane please review the fol lowing warnings before use WARNING To avoid...

Page 7: ...ical components are contained in both compartments To avoid electrical shock injury or death do not remove any internal compartment covers Contact a qualified servicer at once if an abnormal condition...

Page 8: ...ute wait ing period in Step 7 follow the instructions on the front page of this manual If gas can not be smelled Turn the gas control knob or lever counterclockwise to the ON position The knob or leve...

Page 9: ...reset temperature activated sensor This limit guards against overheating as a result of insufficient conditioned air passing over the heat exchanger Disconnect electrical power prior to removing the...

Page 10: ...t is made to engage the roll out protection device and turn the furnace back on Resetting From Lockout Furnace lockout is characterized by a non functioning furnace circulator blower may be running co...

Page 11: ...sonal injury due to electrical shock disconnect the electrical power before performing any maintenance If filter replacement becomes necessary it must be replaced with a filter of the same type and si...

Page 12: ...e same type and size To reinstall filter follow instructions included with external filter rack kit BE SURE AIRFLOW DIRECTION ARROW POINTS TOWARDS THE BLOWER When the filter is located in the bottom o...

Page 13: ...inspect the appliance and to replace any part of the control system and any gas control which has been underwater 1 STOP Read the safety information above on this label 2 Set the thermostat to lowest...

Page 14: ...ial Number of the unit must be supplied These numbers are recorded on the nameplate of the furnace For convenience record this information here MODEL NUMBER _ _ _ _ _ _ _ _ _ _ _ MANUFACTURING NUMBER...

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