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Hersteller: Desa Dateigröße: 845.32 kb Dateiname: ST1500-3000.pdf Unterrichtssprache:

A.O. SMITH CANNOT ACCEPT ANY RESPONSIBILITY FOR GUARANTEE, SERVICE AND/OR PRODUCT LIABILITY IN THE EVENT OF UNAUTHORIZED CHANGES, PRODUCT MODIFICATIONS OR REPAIRS. CONTENTS 1. GENERAL 1.1 Description of the heater 3 1.2 Controls 3 1.3 Dimensions 3 1.4 Technical data 5 2. FOR THE INSTALLER 2.1 Installation 5 2.2 Water connections 6 2.3 Commissioning 7 2.3.1 Filling the heater 7 2.3.2 Heater start-up 7 2.4 Shutting down 7 2.5 Maintenance 7 2.5.1 Anode 7 2.5.2 Descaling 7 2.6 Spare parts 8 3. FOR THE END - USER 3.1 Filling the heater 8 3.2 Start-up of the water heater 8 3.3 Shutting down 8 3.4 Maintenance 8 4. WARRANTY 4.1 Warranty in general 9 4.2. Warranty of the tank 9 4.3 Conditions for installation and use 9 4.4 Exclusions. 10 4.5 Scope of the warranty 10 4.6 Claims 10 4.7 No other obligations for A.O. Smith than those stated in this manual 10 1. GENERAL 1.1 Description of the heater Construction of the heater is in accordance with the European standard for water heaters or sanitary use. The heaters are suitable for use with a working pressure of up to 7 bar. The cylindrical tank is made from sheet steel. For protection against corrosion, the inside of the tank is glass-lined. The tank is also fitted with magnesium anodes for extra protection against corrosion. A thick, replaceable insulation jacket minimizes heat loss. 1.2 Controls. ST models are supplied without controls. ST 1500/2000 ST 2500/3000 Connection sizes 1 Inlet 2" 2" 2 Outlet 2" 2" 3 4 5 Anode 3/4 3/4 6 Recirculation connection 1." 1." 7 8 T&P connection 3/4 3/4 A Tank diameter 1100 1400 B Overall diameter 1200 1500 C Height 1930/2118 1990/2118 D Height alt inlet 400 480 E Distance between 2 “ connections 550/644 500/565 F Height circulation conn. 710 690 G height clean out opening 450 530 H Height inlet 135 183 F Clean out diameter 110 110 1.3 Dimensions Text Box: 2 Hot water outlet 2” Text Box: 8 Text Box: 5 Text Box: 6 Recirculation 1.” Text Box: Clean out flange Text Box: 1 Cold water inlet/drain 2” 1.4 Technical specifications ST 1500/2000 ST 2500/3000 1 Storage capacity ltr 1500/2000 2500/3000 2 Tank heat loss kWh/24h 8.5 10.1 3 Maximum working pressure bar 7 7 4 Test pressure tank bar 12 12 5 Maximum allowed tank temperature °C 95 95 6 Weight empty kg 374/506 637/739 2. FOR THE INSTALLER 2.1 Installation A qualified, competent installer must install the hot water storage tanks in accordance with local valid regulations and codes. Location needs to be chosen to prevent damage in case of tank leakage (e.g. place tank in a drain pan or near a floor drain of sufficient capacity). For mounting of the jacket see separate attached Kit installation sheet. 2.2 Water connections The water heater is suitable for connection to vented, un-vented and pumped pressurized systems. In each case appropriate valves and fittings should be used to ensure the system complies with the governing codes and appropriate building requirements. The maximum working pressure is 7 bars. A typical installation diagram for an un-vented installation is as follows: Back-up element 6 1 = drain (on small tanks only) 2 = valve 3 = check valve 4 = pressure relive valve 5 = circulation pump sanitary water 6 = temperature sensor for boiler three way valve A = circulation line B = warm water C = cold water E = boiler water hot F = boiler water return Optional backup elements are available for field installation up to 6 kW input. Models with fixed...

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