Carrier 59CU5A Installation, Start-up, Operating And Service And Maintenance Instructions

59CU5A: Installation, Start-up, Operating and Service and Maintenance InstructionsManufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.39Loosely assemble concentric vent/combustion air terminationcomponents together using instructions in kit.Slide assembled kit with rain shield REMOVED through hole in wall orroof flashing.NOTE: Do not allow insulation or other materials to accumulate insideof pipe assembly when installing it through hole.Disassemble loose pipe fittings. Clean and cement using sameprocedures as used for system piping. DO NOT CEMENTPOLYPROPYLENE FITTINGS.Two-Pipe and Single-Pipe TerminationsSingle and two pipe vent must be installed, see Fig. 62 and Fig. 63.Maintain the required separation distance between vents or pairs of vents(see Fig. 62 and Fig. 63) and all clearances, see Fig. 60 and Fig. 61.Cut the required number of holes in the roof or sidewall for vent and(when used) combustion air pipes. Sidewall holes for two-pipe ventterminations should be side-by-side, allowing space between the pipesfor the elbows to fit on the pipes.Holes in the roof for direct-vent two-pipe terminations should be spacedno more than 18 in. (457 mm) apart to help avoid vent gas recirculationinto combustion air intake.Termination elbows will be installed after the vent and (if used)combustion air pipe is installed.Sidewall TerminationsConcentric VentNOTE: Follow the instructions of the vent terminal manufacturer. Theseinstructions are provided as a reference only.Determine an appropriate location for termination kit using theguidelines provided in section “Locating The Vent Termination” inthis instruction.1. Cut one 4-in. diameter hole for 2-in. kit, or one 5-in. diameter holefor 3-in. kit.2. Loosely assemble concentric vent/combustion air terminationcomponents together using instructions in kit.3. Slide assembled kit with rain shield REMOVED through hole.NOTE: Do not allow insulation or other materials to accumulate insideof pipe assembly when installing it through hole.4. Locate assembly through sidewall with rain shield positioned nomore than 1-in. (25 mm) from wall, see Fig. 62.5. Disassemble loose pipe fittings. Clean and cement using sameprocedures as used for system piping. DO NOT CEMENTPOLYPROPYLENE FITTINGS.2-Pipe and 1-Pipe Vent TerminationNOTE: Follow the instructions of the vent terminal manufacturer. Theseinstructions are provided as a reference, only.Determine an appropriate location for termination kit using theguidelines provided in section “Locating The Vent Termination” in thisinstruction.1. Cut two holes, one for each pipe, of appropriate size for pipe sizebeing used.2. Loosely install elbow in bracket (if used) and place assembly oncombustion-air pipe.3. Install bracket, see Fig. 62.NOTE: For applications using vent pipe option indicated by dashedlines (see Fig. 62 and Fig. 63), rotate vent elbow 90_ from position.4. Disassemble loose pipe fittings. Clean and cement using sameprocedures as used for system piping. DO NOT CEMENTPOLYPROPYLENE FITTINGS.(Direct Vent / 2-Pipe System ONLY)When two or more furnaces are vented near each other, two ventterminations may be installed (see Fig. 62), but next vent termination, orpair of vent terminations, must be at least 36 in. (914 mm) away from thefirst two terminations. It is important that vent terminations be made, seeFig. 62, to avoid recirculation of vent gases.UPFLOW LEFT CONFIGURATIONA11309AUPFLOW RIGHT CONFIGURATIONA11308ANOTICE!RECOMMENDED SUPPORT FOR VENTTERMINATIONSIt is recommended that rooftop vent terminations in excess of 36 inches(1 M) in vertical length be supported by EITHER the Direct Vent Ter-mination Kit (Table 14) or by field-supplied brackets or supports fas-tened to the structure.NOTICE!RECOMMENDED SUPPORT FOR VENTTERMINATIONSIt is recommended that sidewall vent terminations in excess of 24inches (0.6 M) in vertical length be supported by EITHER the DirectVent Termination Kit (Table 14) or by field-supplied brackets or sup-ports fastened to the structure.12346755 Rotate vent elbow torequired position.Any other unusedknockout may be usedfor combustion airconnection.&123456 75Rotate vent elbow torequired position.Any other unusedknockout may be usedfor combustion airconnection.