A.O. Smith TWI 35-130, homeappliance

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Twister Condensing Stainless Steel Water Heater TWI 35-130/45-190 Fully room-sealed condensing high-effi ciency water heater (95% gross) • Stainless steel tank • No anodes simplify maintenance • Premix Low-NOx burner saves the environment • Whisper quiet operation • Specially designed blower and burner minimize noise • Plug-and Play technology; connect air inlet, exhaust outlet, water, electricity, and gas, set the temperature and the system functions properly • Three external LED lights indicate operational status of water heater • Full serviceability from the front • Suitable for natural gas Innovation has a name. Twister Technical specifications 0 0 3 9 1 1 - - 5 5 3 4 I I W W T T Gas data natural gas 2H (G20) Input* kW 37.8 50.0 Output kW 36.0 47.7 Inlet pressure mbar 20 20 NOx-value ppm 21 16 Gas consumption** m3/h 3.6 4.8 Max. flue gas temperature °C 65 65 Flue gas discharge kg/h 61.2 78.6 Draw-off capacity Storage capacity l 129 189 Maximum working pressure bar 8 8 Max. temperature setting °C 85 85 Tcold = 10ºC / Tset = 65ºC 30 min. ∆T=44°C l 440 664 60 min. ∆T=44°C l 792 1131 90 min. ∆T=44°C l 1145 1597 120 min. ∆T=44°C l 1497 2063 Continuous ∆T=44°C l/h 704 932 Heating-up time ∆T=44°C min. 11 12 30 min. ∆T=50°C l 378 573 60 min. ∆T=50°C l 688 983 90 min. ∆T=50°C l 998 1394 120 min. ∆T=50°C l 1308 1804 Continuous ∆T=50°C l/h 620 820 Heating-up time ∆T=50°C min. 12 14 30 min. ∆T=55°C l 335 511 60 min. ∆T=55°C l 617 884 90 min. ∆T=55°C l 899 1257 120 min. ∆T=55°C l 1181 1630 Continuous ∆T=55°C l/h 564 746 Heating-up time ∆T=55°C min. 14 15 Electrical data Power consumption W 200 300 Power supply VAC/Hz 230 (-15% +10% VAC) / 50 (+/- 1 Hz) Shipping data Weight empty kg 70 82 Maximum weight kg 199 271 Weight incl. packaging kg 88 100 Height packaging mm 1400 1750 Width packaging mm 780 780 Depth packaging mm 870 870 * Gas data on gross value ** Gas consumption at 15°C and 1013.25 mbar Twister Dimensions 0 0 3 9 1 1 - - 5 5 3 4 I I W W T T A 1270 1620 D 560 560 G 80/125 80/125 H 385 385 Hx 300 300 Hy 205 205 K 160 160 M 400 400 N 1270 1620 R 155 155 S 1040 1395 W 100 100 1 Cold water 1" NPT 1" NPT 2 Hot water 1" NPT 1" NPT 3 Gas control 1/2" NPT 3/4" NPT 4 Tank drain valve 3/4" NPT 3/4" NPT 5 T&P valve 3/4" NPT 3/4" NPT 7 Condensation drainage Rp1 Rp1 Dimensions in mm. All Twister water heaters receive a fi ve years warranty on the tank and one year on parts. Twister Installation diagrams Vented Unvented 1 Pressure reducing valve 3 T&P valve 4 Stop valve 5 Non-return valve 6 Circulation pump 9 Drain valve 10 Gas cock 11 Isolating valve 12 Temperature gauge 13 Condense drain 14 Hot water outlets 15 Expansion relief valve 16 Expansion vessel 17 Three way valve 18 Water tank 19 Float valve A Cold water B Hot water C Return circulation D Gas supply E Overfl ow pipe H Expansion vent pipe A.O. Smith unvented system kits utilise combination valves. Further installation and connection details can be found in the Installation & Commissioning Manual. Twister Electrical diagram TERMINAL STRIP CONNECTIONS Earth N Neutral L1 Phase COMPONENTS A Ignition control B Pressure switch C Glow igniter D Temperature sensor / ECO E Thermostat board F Yellow led G Temperature selector knob H Red led J Green led K Gas valve L Transformer 120VAC-24VAC M Blower relay N Transformer 230VAC-120VAC P Fuse Q Double pole mains switch R Blower Flue systems Twister Installation options A Twister water heater should be installed according category B23, C13, C33, C43 or C53*. C43 0 0 3 9 1 1 - - 5 5 3 4 I I W W T T Concentric B23 C33 Diameter (mm) 80/125 80/125 Max. length (m) 20 20 Max. 45/90° bend 5 5 Parallel (standard diameter) Diameter (mm) 80 80 Max. length (m) 30 20 Lequivalent/bend 90° (m) 3.9 3.9 Lequivalent/bend 45º (m) 1.1 1.1 Parallel (larger diameter for more length) Diameter (mm) 100 100 Max. length (m) 100 75 Lequivalent/bend 90º (m) 4.6 4.6 Lequivalent/bend 45º (m) 1.2 1.1 * All Twisters are also approved for installations where the unit is supplied without venting materials (C63). Concentric flues It is not permitted to use more than the specified number of C13 C53 Flue systems Twister bends, even when the duct is shorter than the maximum length. A 45° bend is equivalent to a 90° bend. Parallel flues - The maximum permissible length should be reduced by the equivalent length of each bend. (Note: for a parallel installation this means that 3 changes in direction amount to 6 bends (3 in the supply duct and 3 in the flue). - The maximum length also applies if a parallel installation has different supply and flue duct lengths (B23, C53). - Combined flues (C43) shall be fitted with a condensate drain. Note: horizontal flue runs must be installed with a fall of at least 5 mm per metre towards the heater. Minimum space requirements 0 0 3 9 1 1 - - 5 5 3 4 I I W W T T Ø80/125 Ø80/125 Minimal space for wall duct (mm) V 550 550 W 725 725 . e X 530 530 t i 2 s b X1 1270 1620 0 e / I w Y 1495 1495 r W u T Y * 1045 1045 o / o 8 t 0 r 1 e f 1 Minimal space for roof duct (mm) e / r T e V 1305 1305 s N I a e W 680 680 l e p g , X 1960 1960 y n l p a p Y 1575 1575 h a c s n o o t i For the parts numbers of components and flue gas ducts, etc. t i t d c please refer to the "Maintenance and accessories" chapter. n e o j c b d u n s * Distance without concentric pipe between bend and wall duct. a s a t m r a e D T www.aosmithinternational.com