Carrier Understanding Furnace Filters and Their Locations

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AIRFLOW

A94307

Fig. 4ÐHorizontal Filter Arrangement

AIRFLOW

INSTALLATION

POSITION

OF FILTERS

RETURN-AIR

PLENUM

ACCESS DOOR

A88486

Fig. 5ÐDownflow Filter Arrangement

Never operate unit without a filter or with filter access door removed. A failure to follow this warning could result in fire, personal injury, or death.

1.Downflow/Horizontal

Each furnace requires 2 filters which are installed in the return-air duct. (See Fig. 4 and 5.) To remove filters for cleaning or replacement, proceed as follows:

a.Disconnect electrical power before removing blower access door.

b.Remove 2 screws from front of door and remove blower access door.

c.Reach up behind top plate, tilt filters toward center of return-air plenum, remove filters, and clean as needed. Replace if torn.

d. Furnaces are equipped with permanent, washable filters. Clean filters with tap water. Spray water through filter in opposite direction of airflow.

e. Rinse and let dry. Oiling or coating of filters is not recommended or required.

f.Reinstall filters.

g.Replace blower access door.

h.Restore electrical power to furnace.

2.Upflow

Each furnace requires 1 or 2 filters which are installed in the blower compartment. (See Fig. 6.) To remove filters for cleaning or replacement, proceed as follows:

a.Disconnect electrical power before removing access doors.

b.Remove blower and control access doors.

c.Release filter retainer from clip at front of furnace casing. (See Fig. 6.) For side return, clips may be used on either or both sides of the furnace.

d.Slide filter(s) out.

e.Furnaces are equipped with permanent, washable filters. Clean filters with tap water. Spray water through filter in opposite direction of airflow.

f.Rinse and let dry. Oiling or coating of filter is not recommended or required.

g.Reinstall filter(s).

h.Replace blower and control access doors.

i.Restore electrical power to furnace.

BLOWER MOTOR AND WHEEL

For long life, economy, and high efficiency, clean accumulated dirt and grease from the blower wheel and motor annually.

The following steps should be performed by a qualified service technician.

Some motors have prelubricated sealed bearings and require no lubrication. These motors can be identified by the absence of oil ports on each end of the motor. For those motors with oil ports, lubricate motor every 5 years if motor is used on intermittent operation (thermostat FAN switch in AUTO position), or every 2 years if motor is in continuous operation (thermostat FAN switch in ON position).

NOTE: Remember to disconnect the electrical supply before removing access doors.

Clean and lubricate as follows:

1. Remove 2 screws from blower access door (downflow/horizontal furnace only) and remove blower access door.

2.Remove vent pipe enclosure (downflow/horizontal furnace only) and disconnect short piece of vent pipe from relief box.

3.Disconnect wires from auxiliary limit on blower housing (downflow/horizontal furnace only).

4.Remove control.

5.Disconnect electrical leads from control. (See Fig. 6 or 7.) Note location of wires for reassembly.

6.Remove screws holding blower assembly to blower deck and slide blower assembly out of furnace.

7.Loosen screw in strap holding motor capacitor to blower housing and slide capacitor out from under strap.

8.Mark blower wheel, motor, and motor support in relation to blower housing before disassembly to ensure proper reassem- bly.

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Contents Electrostatic Discharge ESD Precautions Service and Maintenance InstructionsAIR Filter Arrangement → Electrostatic Discharge ESD Precautions ProcedureBlower Motor and Wheel ÐHorizontal Filter ArrangementCleaning Heat Exchanger ÐCleaning Heat Exchanger Cell Troubleshooting → Electrical Controls and WiringÐHeating and Cooling Application Wiring Diagram PCB Service Troubleshooting Guide Pressure Switch will not Open Check for Book Catalog No Form 58P,R-9SM Replaces 58P,R-8SM Tab
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58RAV, 58PAV specifications

The Carrier 58RAV and 58PAV are two exceptional models in Carrier's lineup of gas furnaces, renowned for their efficiency, reliability, and innovative features. Designed to provide superior heating performance, these models boast several advancements that cater to modern residential needs.

One of the defining features of the Carrier 58RAV and 58PAV is their exceptional energy efficiency. Both models achieve high Annual Fuel Utilization Efficiency (AFUE) ratings, making them ideal choices for homeowners looking to reduce energy consumption and lower utility bills. The 58RAV offers a variable-speed blower motor that adjusts airflow according to the temperature demand, providing a more consistent heating experience and enhancing overall comfort.

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Installation flexibility is a significant advantage of both models. They are designed to fit into various spaces, with options for different venting configurations, making them suitable for a wide range of home layouts.

In conclusion, the Carrier 58RAV and 58PAV gas furnaces represent a perfect blend of efficiency, technology, and reliability. Their advanced features, such as variable-speed motors, smart controls, and whisper-quiet operation, make them ideal solutions for homeowners seeking optimal heating performance while maintaining energy efficiency. The commitment to safety and durability further solidifies Carrier's reputation as a leader in the heating industry, ensuring that these models will provide warmth and comfort for years to come.