Carrier 58CTA Installation And Service Instructions Manual

Also see for 58CTA: Product data Installation, start-up, operating and service and maintenance instructions

Carrier 58CTA Installation And Service Instructions Manual Manual pdf 33 page image

ADDITIONAL VENTING REQUIREMENTSA 4″ round vent elbow is supplied with the furnace. A 5-inch or 6-inch vent connector may be required for some model furnaces. Afield-supplied 4-inch to 5-inch or 4-inch to 6-inch sheet metalincreaser fitting is required when 5-inch or 6-inch vent connectoris used. See Fig. 34-46 Venting Orientation for approved ventconfigurations.Fig. 46—Horizontal Right Application-Vent Elbow LeftA02068SEE NOTES: 1,2,4,5,7,8,9Caution!! For the following applications, use the minimum vertical heights as specified belowFor all other applications, follow exclusively the National Fuel Gas CodeFURNACE ORIENTATION VENT ORIENTATION FURNACE INPUT(BTU/HR) MINIMUMVENT DIAMETER (IN.)* MINIMUM VERTICAL VENT HEIGHT (FT)**Downflow Vent elbow left, then upFig. 38154,000132,000110,000(036/-12 only)5 12Horizontal LeftVent elbow right,then upFig. 41154,000132,000 5 7Horizontal Left Vent Elbow upFig. 42154,000132,000 5 7Horizontal Left Vent elbow rightFig. 43 154,000 5 7Downflow Vent elbow up then leftFig. 36110,000(036/-12 only) 5 10Downflow Vent elbow up, then rightFig. 39110,000(036/-12 only) 5 10NOTE: All vent configurations must also meet National Fuel Gas Code venting requirements NFGC.*4 in. inside casing or vent guard**Including 4 in. vent section(s)Venting Notes for Fig. 34-461. For common vent, vent connector sizing and vent material:United States--use the NFGCCanada--use the NSCNGPIC2. Immediately increase to 5-inch or 6-inch vent connector outside furnace casing when 5-inch vent connector is required, refer to Note 1above.3. Side outlet vent for upflow and downflow installations must use Type B vent immediately after exiting the furnace, except whenKGAVG0101DFG, Downflow Vent Guard Kit, is used in the downflow position.4. Type-B vent where required, refer to Note 1 above.5. Four-inch single-wall (26 ga. min.) vent must be used inside furnace casing and when the KGAVG0101DFG Downflow Vent Guard Kitis used external to the furnace.6. Accessory Downflow Vent Guard Kit, KGAVG0101DFG required in downflow installations with lower vent configuration.7. Chimney Adapter Kit may be required for exterior masonry chimney applications. Refer to Chimney Adapter Kit, KGACA02014FC orKGACA02015FC, for sizing and complete application details.8. Secure vent connector to furnace elbow with (2) corrosion-resistant sheet metal screws, spaced approximately 180° apart.9. Secure all other single wall vent connector joints with (3) corrosion resistant screws spaced approximately 120° apart. Secure Type-B ventconnectors per vent connector manufacturer’s recommendations.10. The total height of the vent and connector shall be at least seven feet for the 154,000 Btuh gas input rate model when installed in adownflow application with furnace elbow turned to left side with the connector elbow outside furnace casing pointing upward. (See Fig.39.)31