A O Smith Ati 540H N Technical S
2015-04-13
: A-O-Smith A-O-Smith-Ati-540H-N-Technical-s-693456 a-o-smith-ati-540h-n-technical-s-693456 a-o-smith pdf
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Residential / Light Commercial Gas Tankless Water Heaters TANKLESS HIGH-EFFICIENCY CONDENSING MODELS FEATURES ■ Condensing technology provides significant energy cost savings PRIMARY HEAT EXCHANGER IS CONSTRUCTED OF HRS35 COMMERCIAL GRADE COPPER ■ Stronger than standard copper and more resilient against erosion SECONDARY HEAT EXCHANGER IS MADE OF TYPE 316L STAINLESS STEEL ■ Provides additional protection against corrosion CONTINUOUS MAXIMUM FLOW RATES UP TO 9.0 GPM CAN BE USED IN RESIDENTIAL AND LIGHT COMMERCIAL APPLICATIONS ENERGY STAR® QUALIFIED MODELS INCLUDE REMOTE CONTROL AND POWER CORD EASY-LINK UP TO 4 UNITS ■ With no additional parts or accessories needed ATI-520H-N ATI-520H-P ELECTRONIC IGNITION-NO PILOT LIGHT BUILT-IN DISPLAY SHOWS OPERATING TEMPERATURE ALONG WITH DIAGNOSTIC ERROR CODES SAFETY FEATURES ■ Air-Fuel Ratio (AFR) Sensor ■ Exhaust & Water Temperature Safety Controls ■ Overheat Cutoff Fuse INTERNAL FREEZE PROTECTION SYSTEM POWER DIRECT VENT DESIGN ■ 4” Pipe Vents up to 50 Equivalent Feet or 3” Pipe Vents up to 25 Equivalent Feet ■ ULC s636 approved PVC, CPVC, or Polypropylene Pipe for Intake and Exhaust ■ (solid core only) Category III Stainless Steel venting can also be used ■ Vertical or Horizontal installation ANSI Z21.10.3 CSA 4.3 ACCESSORIES ■ Remote Temperature Controller (Included) ■ Neutralizer Kit ■ Plumbing Installation Kits ■ PVC Intake Adaptor ■ Concentric Termination WARRANTY ■ 12-year limited warranty on heat exchanger in residential applications ■ 5-year limited warranty on heat exchanger in commercial applications ■ 5-year warranty on all parts October 2012 Page 1 of 2 CANRG46805 Residential / Light Commercial Gas Tankless Water Heaters INDOOR CONDENSING MODELS CAPACITY & DIMENSIONS GAS CONSUMPTION INPUT FUEL TYPE MODEL INLET GAS PRESSURE MINIMUM BTU/H MAXIMUM BTU/H MINIMUM W.C. MAXIMUM W.C. ENERGY FACTOR HOT/COLD GAS CONN. HEIGHT WIDTH DEPTH APPROX. SHIPPING WEIGHT (LBS) DIMENSIONS IN INCHES ATI 520H N NATURAL 13,000 199,000 5.0 10.5 .91 3/4” NPT 25-3/5 18-1/2 12-2/5 73 ATI 520H P PROPANE 13,000 199,000 8.0 14.0 .91 3/4” NPT 25-3/5 18-1/2 12-2/5 73 All dimensions in inches. 15-150 psi Water Pressure. 40 psi or above recommended for maximum flow. 18-1/2" (470mm) 12-1/2" (320mm) 12-1/2" (316mm) 3-1/2" (90mm) Ø4" (102mm) Female Male Ø4" (100.8mm) 3/4" (18.8mm) 25-1/2" (649mm) 2-3/4" (69.1mm) INTAKE 2-3/4" (71.8mm) EXHAUST 6-5/8" (168.4mm) 1/2" (12.5mm) 29-1/2" (751mm) 6-1/4" (161.5mm) 1-1/4" (29.2mm) COLD GAS 6" (153.6mm) 120VAC 2-1/4" (58.2mm) HOT 7-1/4" (182.1mm) 120VAC 8-1/2" (216.3mm) 4-5/8" (116.8mm) GAS HOT 5-5/8" (142.2mm) COLD 8-5/8" (220.6mm) 6-1/4" (159.1mm) Condensate Drain Port 10-1/2" (266.8mm) Condensate Drain Port Flow Rate vs. Temperature Rise 50 Pressure Loss 120 45 100 40 35 80 30 25 60 20 40 15 10 20 5 0 0 20 40 60 80 100 Temperature Rise (°F) 120 140 Head Feet 10.0 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 Pressure Loss (psi) Flow Rate (gpm) CLEARANCES: Top: 12”; Bottom: 12”; Front: 4”; Back: .05”; Sides: 3” 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 0 9.0 10.0 Flow Rate (gpm) Set Temperature : 125 °F & lower Set Temperature: 130 °F & Higher For Technical Information, call 1-888-479-8324. A. O. Smith reserves the right to make product changes or improvements without prior notice. October 2012 www.hotwatercanada.ca Page 2 of 2 CANRG46805
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