Carrier 58PAV Installation, Start-up, And Operating Instructions Manual

Also see for UPFLOW INDUCED-COMBUSTION FURNACES 58PAV: User manual Service and maintenance instructions Maintenance and service instructions Service and maintenance instructions Service and maintenance instruction

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Carrier 58PAV Installation, Start-up, And Operating Instructions Manual Manual pdf 7 page image

Step 4—Return Air ConnectionsNever connect return-air ducts to the back of the furnace. Afailure to follow this warning can cause a fire, personal injury,or death.The return-air duct must be connected to bottom, sides (left orright), or a combination of bottom and side(s) of main furnacecasing as shown in Fig. 1. Bypass humidifier may be attached intounused side return air portion of the furnace casing. DO NOTconnect any portion of return-air duct to back of furnace casing.Step 5—Filter ArrangementThe factory-supplied filter(s) is shipped in the blower compart-ment. Determine location for the filter and relocate filter retainingwire if necessary. See Fig. 5 for side return application and Fig. 6for bottom return application. See Table 3 to determine correctfilter size for desired filter location. Table 3 indicates filter size,location, and quantity shipped with the furnace.For bottom air-return applications, filter may need to be cut to fitsome furnace casing widths. A bottom closure panel is factoryinstalled in the bottom of the furnace. When bottom return inlet isdesired, remove and discard the bottom closure panel. Two sets ofhardware are needed for furnaces in 24-1/2-in. wide casings forbottom return. All hardware is provided for filter installation.Never operate unit without a filter or with filter access doorremoved. Failure to follow this warning can cause fire,personal injury, or death.Step 6—Leveling Legs (If Required)When the furnace is used with side inlet(s) and leveling legs arerequired, refer to Fig. 7, and install field-supplied, corrosion-resistant 5/16-in. machine bolts and nuts.NOTE: The maximum length of the bolt should not exceed 1-1/2in.1. Lay furnace on its back. Locate and drill 5/16-in. diameterhole in each bottom corner of furnace as shown in Fig. 7.2. Install nut on bolt and install bolt and nut in hole. (Install flatwasher if desired.)3. Install another nut on other side of furnace base. (Install flatwasher if desired.)4. Adjust outside nut to provide desired height, and tighten insidenut to secure arrangement.Fig. 5—Side Filter Arrangement(Control Removed for Clarity)A99278FILTERRETAINERWASHABLEFILTERFig. 6—Bottom Filter Arrangement(Control Removed for Clarity)A99279WASHABLEFILTERFILTERSUPPORTFILTERRETAINERTable 3—Filter Information (In.)FURNACECASING WIDTHFILTER SIZE* FILTER TYPESide Return Bottom Return14-3/16 (1) 16 X 25 X 1† (1) 14 X 25 X 1 Cleanable17-1/2 (1) 16 X 25 X 1† (1) 16 X 25 X 1 Cleanable21 (1) 16 X 25 X 1 (1) 20 X 25 X 1† Cleanable24-1/2 (2) 16 X 25 X 1 (1) 24 X 25 X 1† Cleanable* Filters can be field modified by cutting to the desired size. Alternate sizescan be ordered from your distributor or dealer.† Factory-provided with the furnace.Fig. 7—Leveling Leg InstallationA890141 3⁄4″1 3⁄4″1 3⁄4″1 3⁄4″5⁄16″5⁄16″5⁄16″5⁄16″7