Miller CMF95 072 PG Guía de instalación descargar pdf (Pagina 6)

MAINTENANCE INFORMATION

Proper maintenance is important to achieve optimum performance from the furnace. This equipment should be

inspectedannuallybyalicensedHVACtechnician.Table1(page7)containssuggestedinspectionsandfrequency

of maintenance. Routine maintenance should include the following:

BLOWER & FILTER

• Neveroperatethefurnacewithoutalterinplace.Dust

and lint can build up on internal components, resulting

in loss of efﬁciency, equipment damage, and possible

ﬁre.

• Keepairlterscleaned.Filtersshouldbechangedor

cleaned monthly during the heating/cooling season.

Clean or replace ﬁlter to maintain proper airﬂow and

achieve maximum efﬁciency. Newly built or 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.

• It is recommended that the blower compartment be

cleaned of dirt or lint that may have accumulated in the

compartment or on the blower and motor as part of the

annual inspection.

CONDENSATE DRAINAGE

• This furnace produces liquid condensate which is

slightly acidic. The vent pipe must be sloped upwards

away from the furnace to properly drain the water back

into the condensate disposal system.

• Condensate drain tubes must maintain a downward

slope to ensure proper drainage. Periodically inspect

the condensate drain tube for proper drainage. Also,

do not place heavy objects on the tubing that restricts

the ﬂow of condensate.

FURNACE & AIR DUCTS

• Homeowners should perform frequent visual

inspections of the furnace for obvious signs of

deterioration. The furnace should be sound without

sagging, cracks gaps, etc around the base. 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qualiedHVAC

technician.

• Furniture and drapery should be arranged so that

the supply air registers and return grilles are not

obstructed.

• Ifhouseisnewlybuilt,theoperationofagasfurnace

in a construction environment can cause a variety

of problems with the furnace. Before occupying the

residence, homeowners should have these safety

inspections performed by a licensed technician:

– Theltermustbereplaced(orcleaned)andthe

furnace must be inspected by a licensed HVAC

technician.

– The furnace must be cleaned and/or repaired if

found to be dirty, damaged, or malfunctioning in any

way.

– Before occupancy, the furnace shall be inspected

and approved by applicable local authority even if

this results in redundant inspections.

– The duct work must be inspected and cleaned if

found to contain any construction debris.

VENTING SYSTEM

• Forproperandsafeoperation,thefurnaceneedsairfor

combustion and ventilation. Do Not block or obstruct

air openings on the furnace, or any air openings

where the furnace may be installed, including any

surrounding spaces.

• Direct vent furnaces pull combustion air from the

outdoors and vent combustion products back outside.

Combustion air coming from the outside needs to be

clean of chemicals that can cause corrosion, such as

pool chlorinating products.

• Ventpipemustslopeupwardsandbephysicallysound

without holes or corrosion. Any corroded section

of vent pipe must be replaced, and any obstruction

or blockage must be removed by a licensed HVAC

technician.

• Fluepassageways,theventsystem,andtheburners

should be inspected and cleaned (if required) by

a licensed HVAC technician annually to ensure

continued safe operation.

TROUBLESHOOTING

Ifthefurnacefailstooperatecheckthefollowing:

1.Isthethermostatsettingcorrect?

2.IstheON/OFFswitchinsidethefrontdoorturnedon?

SeeFigure3(page8)forswitchlocation.

3.Isthecircuitbreakertripped?

4.Isthegasturnedonatthemanualshutoff?

5.Isthelterdirtyorclogged?

If the furnace still doesn’t operate, contact a licensed

HVACtechnician

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Miller CMF95 072 PG Guía de instalación Pagina 6

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