Air Filters For Floor Furnace Air Return

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Description:

AIR CLEANERS/FILTERS HEPA CENTRAL AIR FILTRATION SYSTEM HOMEOWNERS MANUAL & DEALER INSTALLATION • Install HEPA System on floor or suspended platform. installed into the main return of the air handler/furnace system.

‡For installations on a combustible floor, do not install the furnace directly on carpeting, for installations that require side return air. Cut the furnace installation. See figure 7. Filters This unit is not equipped with a filter or rack.

• Air filters must be replaced upon construction completion. ‡ For installations on a combustible floor, do not install the furnace directly on carpeting, the furnace duct system. Return air can be brought in through the bottom or either

furnace. Return air temperature range between 60°F (16°C) and 80°F (27°C) must be maintained. Page 5 Air filters must be installed in the system and must be Either suspend the furnace from roof rafters or floor joists,

Installation beneath furnace. Media air cleaner is mounted horizontally where return enters from below. M941A Temporarily place the cabinet on the floor, Seal all joints in the return air system between the media air filter and the furnace to prevent dust from entering

3 Attach front section to rear section Front section of Return Air Base Bottom Plate Flange on top of Return Air Base Front Mounting Tab Slide Flange underneath back edge of Return Air Base

• Air filters must be installed in the system and must be SIZED FLOOR OPENING FURNACE Return Air Opening −− Counterflow Units Return air may be brought in only through the top opening of a furnace installed in the counterflow position.

F52F RETURN GRILLE ELECTRONIC AIR CLEANER 68-0074—9 2 SPECIFICATIONS IMPORTANT floor installations. Weight: Dimensions: See Fig. 2 and 3. Door/Grille Type: Egg crate. Cell Size: 12-1/2 x 20 in. (318 x 508 mm). Underwriters Laboratories Inc. Listed:

Often advisable to route the return air ducts under the floor or through the attic. before you start the furnace. RETURN AIR FILTERS RETURN AIR FILTERS FOR UPFLOW FURNACE IN HORIZONTAL CONFIGURATION

Open web floor trusses with furnace in garage. • Ensure there is adequate space around the furnace or air handler to meet the minimum clearance requirements in the code. • Connect the fresh air duct and damper to the return duct near the grille.

furnace. • Return air temperature range between 60°F must be maintained. • Air filters must be installed in the system and must be maintained during construction. • Air filters must be replaced ‡ For installation on a combustible floor, do not install the furnace directly on

Air filters (not provided) must be listed as Class 2 furnace air filters. The air handler may be used with an optional modular evaporator coil (WEM) in upflow, counterflow, Return air plenum installed through the floor shall be sized

HOMEOWNER—AIR FILTERS To maintain furnace performance and safety, Return Air Plenum MULTI OIL FURNACE Model Burner Pump Air Setting Turbulator Blower Motor USGPH L/h (psi) Btu/h kW 0.2"wc 0.5"wc 0.2"wc 0.5"wc

furnace. Return air temperature range between 60°F (16°C) and 80°F (27°C) ‡For installations on a combustible floor, do not install the furnace directly on carpeting, All G40UH(X) filters are installed external to the unit. Fil-

Air Filters must be listed as Class 2 furnace air filters. The air handler is shipped from the factory completely 18 inches (46 cm) above the floor for a garage installation. under the air handler. Louvers or return air grilles are field supplied.

return air. • Return air provisions and filters are not provided with the coil cabinet; of closet for installation of furnace and wiring. b. Cut floor opening on outside edge of marked line so that opening is slightly larger than area marked.

Installation beneath furnace. Media air cleaner is mounted horizontally where return enters from below. M941A Temporarily place the cabinet on the floor, Seal all joints in the return air system between the media air filter and the furnace to prevent dust from entering