SURE COMFORT GF802D075 (01) PDF Document

The SURE COMFORT GF802D075 furnace includes the following features:

• Patented heat exchanger, constructed of both stainless and aluminized steel for maximum corrosion resistance.

• Low profile “34 inch” [864 mm] design that is lighter and easier to handle, leaving room for optional equipment.

• Left or right side gas and electric inlet connections with a quick, simple change.

• Direct spark ignition.

• Integrated control board with hookups for a humidifier and electronic air cleaner.

• An insulated blower compartment, a two-stage gas valve, and a specially designed two-speed draft inducer motor make it one of the quietest furnaces on the market.

• Pre-painted galvanized steel cabinet.

• Grab-holes in the doors to aid in easy door removal and replacement.

• Compatibility with a single or two-stage thermostat. For optimal performance, a two-stage thermostat is recommended.

The SURE COMFORT GF802D075 is completely assembled and wired and includes the following standard equipment:

• 2-speed induced draft blower

• High and low pressure switches

• 2-stage redundant main gas control

• Blower compartment door safety switch

• Solid state time on/time off blower control

• Limit control

• Transformer

• Direct drive multi-speed blower motor

• Cooling/heating relay and transformer (40VA) ready for air conditioning applications

• Flame sensor diagnostics

• Fused-protection (secondary)

Please note that a thermostat is not included as standard equipment.

The model number GF802D075 can be broken down as follows:

• GF: Gas Furnace

• 80: 80% Efficiency

• 2: 2 Stage

• D: Downflow

• 075: Heating Input of 75,000 BTU/HR [22 kW]

• A: Variation Code

• S: Standard Cabinet

The dimensions for the SURE COMFORT GF802D075 furnace are:

The required clearances to combustible materials are:

The blower performance for the SURE COMFORT GF802D075, with its 1/2 HP motor and 11 x 7 inch blower, delivers the following CFM (Cubic Feet per Minute) air delivery at various external static pressures. Data compiled with factory filters installed.

The SURE COMFORT GF802D075 has the following restrictions:

• Fuel Type: The furnace is not listed for use with fuels other than natural or L.P. (propane) gas.

• Mobile Homes: The furnace is not approved or recommended for use in mobile homes.

• Combustible Floors: The unit’s design is certified for installation on non-combustible floors only. A special factory-supplied combustible floor sub-base is required when installing on a combustible floor. Failure to install the sub-base may result in fire, property damage, and personal injury.

• Venting: Furnaces must be vented in accordance with the National Fuel Gas Code, ANSI Z223.1 and/or Can/CGA-B149 Installation Codes and in accordance with local codes.

Yes, the SURE COMFORT GF802D075 can be converted by a qualified Sure Comfort™ professional or local service dealer to use L.P. (propane) gas without changing burners. Factory approved kits must be used for the conversion from natural gas to L.P. gas. For natural and L.P. gas models, the direct spark ignition is a 100% lockout type.

The RXGC-B17 combustible floor base is used with the SURE COMFORT GF802D075. Its dimensions are as follows:

The floor opening should be 21 1/2″ [546 mm] x dimension B, and the maximum plenum size is 19 1/2″ [495 mm] x dimension C.

For a downflow installation with the optional RXGF-CC filter rack, the SURE COMFORT GF802D075 (which has a 17 1/2″ [445 mm] cabinet width) requires the following filter:

• Quantity: 1

• Size: 12 inches [305 mm] x 20 inches [508 mm]

Note: The RXGF-CC filter racks are shipped without filters.

For high altitude installations of the SURE COMFORT GF802D075, you must refer to the furnace installation instructions for specific details. For high altitude derate in U.S. applications, see the Conversion Kit Index. Always follow the National Fuel Gas Code (NFGC) guidelines when converting furnaces for high altitudes.