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Manafacture: A.O. Smith File size: 539.28 kb File name: f90289ce-614e-4e6d-8ff4-7b1e1a7b762b.pdf Language of manual:

O. Smith's complete line of tankless gas water heaters A Variety of Sleek, Compact Indoor Models To Choose From ATI-305-N (Natural Gas), ATI-305-P (Propane) ATI-505-N (Natural Gas), ATI-505-P (Propane) 305 and 505 Models All Models Available In Both Natural Gas And Propane Designs ATI-705-N (Natural Gas), ATI-705-P (Propane) ATI-705A-N (Natural Gas), ATI-705A-P (Propane) Commercial 705 Model 1 Model Dimensions Dimension Description 305 and 505 inches (mm) 705 inches (mm) A Width 14 (355.6) 18.5 (470) B Depth 9.6 (244.5) 9.3 (230.5) C Height - Unit 22.9 (582) 23.6 (600) D Height - with brackets 25.5 (648.2) 25.2 (640) E Hot Water Outlet - from wall* 3.6 (91) 4.5 (115) F Hot Water Outlet - from center 4.3 (110) 2.4 (61) G Cold Water Inlet - from wall* 2.8 (70) 3.9 (99) H Cold Water Inlet - from center 11 (27) 2.0 (52) I Gas Connection - from wall* 4.3 (109) 2.4 (61.2) J Gas Connection - from center From base to gas connection 3.5 (89) 1.6 (40) 4.3 (110) 1.6 (40) K From base to cold connection From base to hot connection 2.0 (50) 1.6 (41) 2.0 (50) 1.6 (41) * This is the minimum dimension from the wall. The wall bracket is adjustable to allow an additional 1.57 inches (40mm). A. O. Smith On-Demand Gas Water Heaters Residential and Commercial Product Features: Innovative Technology ■ A variety of indoor installation options ■ Continuous hot water on demand (up to 9.8 GPM) ■ Whole house water heating solution ■ Direct electronic ignition - no pilot light ■ On-board diagnostics and safety monitoring ■ Interior sealed combustion (does not use interior combustion air) Excellent Performance ■ 12-year limited warranty on heat exchanger, 5-year warranty on all parts ■ Models available that meet requirements of ASME Boiler and Pressure Vessel Code Energy Efficiency ■ Up to 84% thermal efficiency, providing significant energy cost savings Outlet Flow Data delta T - Temperature Rise (*F) Model Specifications Model 3G5 5G5 7G5 Minimum Gas Consumption Btu/h 15,000 19,000 Maximum Gas Consumption Btu/h 199.000 Natural Gas 190.000 Propane Gas 237,000 Hot water capacity (Min - Max)* 0.6 - 5.3 GPM (2.3 - 20.1 L/min) 0.6 - 8.5 GPM (2.3 - 32.0 L/min) 0.6 - 9.8 GPM (2.3 - 37 L/min) Hot water capacity (45°F rise) 5.3 GPM (20.1 L/min) 7.4 GPM (28.0 L/min) Natural Gas 7.1 GPM (26.9 L/min) Propane Gas 8.8 GPM (33.5 L/min) Default Temperature Setting (no controller) 120° F (49° C) Remote Controller Default Temperature Setting 104° F (40° C) Maximum Temp Setting (Commercial**) 160° F (71° C) 185° F (85° C) Maximum Temp Setting (Residential) 140° F (60° C) Minimum Temperature Setting 98° F (37° C) Weight 50 lb (23 kg) 1 55 lb (25 kg) Efficiency Rating 84% Noise level 49 dB Electrical Consumption Normal 79 W 99 W Standby 2.8 W 2 W Anti-frost Protection 100 W 116 W By-Pass Control Fixed Electronic Minimum Gas Supply Pressure Natural Gas 5.0 inch W.C. Propane 8.0 inch W.C. ...

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