CIRCULATING AIR & FILTERS

4. Consult proper tables for the quantity of air.

If the total external static pressure exceeds the maximum listed on the furnace rating plate, check for closed dampers, registers, undersized and/or oversized poorly laid out duct work.

Checking Static Pressure

(80% Furnace Shown, 90% Similar)

BOTTOMRETURNAIROPENING[UPFLOWMODELS]

The bottom return air opening on upflow models utilizes a “lance and cut” method to remove sheet metal from the duct opening in the base pan. To remove, simply press out the lanced sections by hand to expose the metal strips retaining the sheet metal over the duct opening. Using tin snips, cut the metal strips and remove the sheet metal covering the duct opening. In the corners of the open- ing, cut the sheet metal along the scribe lines to free the duct flanges. Using the scribe line along the duct flange as a guide, unfold the duct flanges around the perimeter of the opening using a pair of seamer pliers or seamer tongs. NOTE:Airflow area will be reduced by approximately 18% if duct flanges are not unfolded. This could cause performance issues and noise issues.

WARNING

EDGES OF SHEET METAL HOLES MAY BE SHARP. USE GLOVES AS A

PRECAUTION WHEN REMOVING SHEET METAL FROM RETURN AIR OPENINGS.

CUT USING TIN SNIPS

PRESS OUT BY HAND

CUT FOUR CORNERS

AFTER REMOVING SHEET

METAL

SCRIBE LINES OUTLINING

DUCT FLANGES

DuctFlangeCutOuts

When the furnace is used in connection with a cooling unit, the furnace should be installed in parallel with or on the upstream side of the cooling unit to avoid condensation in the heating element. With a parallel flow arrangement, the dampers or other means used to control the flow of air must be adequate to prevent chilled air from entering the furnace and, if manually operated, must be equipped with means to prevent operation of either unit unless the damper is in the full heat or cool position.

When the furnace is installed without a cooling coil, it is recom- mended that a removable access panel be provided in the outlet air duct. This opening shall be accessible when the furnace is installed and shall be of such a size that the heat exchanger can be viewed for visual light inspection or such that a sampling probe can be inserted into the airstream. The access panel must be made to prevent air leaks when the furnace is in operation.

When the furnace is heating, the temperature of the return air entering the furnace must be between 55°F and 100°F.

FILTERS-READTHISSECTIONBEFOREINSTALLINGTHERETURN AIRDUCT WORK

Filters must be used with this furnace. Discuss filter maintenance with the building owner. Filters do not ship with this furnace, but must be provided, sized and installed externally by the installer. Filters must comply with UL900 or CAN/ULCS111 standards. If the furnace is installed without filters, the warranty will be voided.

On upflow units, guide dimples locate the side return cutout loca- tions. Use a straight edge to scribe lines connecting the dimples. Cut out the opening on these lines. NOTE:An undersized open- ing will cause reduced airflow.

Refer to Minimum FilterArea tables to determine filter area require- ments.

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Goodman Mfg CVC9/95 Consult proper tables for the quantity of air, Checking Static Pressure 80% Furnace Shown, 90% Similar
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MVC95, CVC9/95 specifications

Goodman Manufacturing has established itself as a leader in the HVAC industry, and among its stellar lineup, the Goodman CVC9/95 and MVC95 stand out for their remarkable features, technologies, and efficiency.

The Goodman CVC9/95 is a high-performance gas furnace, designed for homeowners seeking reliability and cost-effective heating solutions. It operates with an impressive 95% Annual Fuel Utilization Efficiency (AFUE), which means that a significant portion of the fuel it consumes is converted into heat. This level of efficiency not only contributes to lower energy bills but also reduces greenhouse gas emissions, making it an environmentally friendly choice.

One of the standout features of the CVC9/95 is its multi-speed ECM blower motor. This technology adjusts the airflow according to the heating demands of the home, ensuring consistent and comfortable temperatures. The ECM motor also operates quietly, enhancing the comfort of your living space without the disruptive noise often associated with traditional furnaces.

The MVC95, on the other hand, offers similar efficiency with its also 95% AFUE rating. This model is equipped with a patented ignition system that enhances reliability with minimal maintenance needs. Its durable construction includes a heavy-gauge steel cabinet and an insulated blower compartment that minimizes heat loss. This design not only supports optimal performance but also contributes to its longevity.

Both models come with a self-diagnostic control board that provides straightforward troubleshooting capabilities, making it easier for technicians to ensure that your system is operating at peak performance. This feature aids in timely maintenance, which is crucial for extending the lifespan of the unit.

Additionally, Goodman backs their products with a strong warranty, offering a lifetime limited warranty on the heat exchanger and a 10-year limited parts warranty. This assurance provides homeowners peace of mind regarding their investment.

In the landscape of HVAC solutions, the Goodman CVC9/95 and MVC95 models exemplify a commitment to quality, efficiency, and advanced technology. Whether for new constructions or replacements, these furnaces offer superior heating performance coupled with modern conveniences, making them an invaluable choice for homeowners seeking effective climate control solutions. With their low emissions and high efficiency, choosing Goodman means investing in both comfort and sustainability.
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