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Ariston Thermo - Catalogue 2021

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CLAS ONE CLAS SYSTEM ONE

CLAS ONE CLAS SYSTEM ONE The lightweight Clas ONE comes complete with an 8 year warranty and a range of highend features including the energy saving 'Auto' function and easy-to-use backlit display. / XTRATECH stainless steel heat exchanger / High domestic hot water flow rates / 'Auto' function technology / Comfort function / High efficiency pump / 1:7 modulation / Quiet operation starting at 49dB / Lightweight unit starting at 29kg / 8 year warranty / 'A' ErP rated for optimum energy efficiency / Large backlit display / Includes LPG conversion kit / Ariston NET compatible ENERGY RATING A A XtraTech stainless-steel heat exchanger PERFORMANCE CERTIFIED BY TÜV RHEINLAND GROUP The lightweight Clas System ONE comes complete with an 8 year warranty and a range of high-end features including the energy saving 'Auto' function and easy-to-use backlit display. / XTRATECH stainless steel heat exchanger / 'Auto' function technology / Comfort function / High efficiency pump / 1:7 modulation / Quiet operation starting at 49dB / Lightweight unit starting at 29kg / 8 year warranty / 'A' ErP rated for optimum energy efficiency / Large backlit display / Includes LPG conversion kit / Ariston NET compatible ENERGY RATING A XtraTech stainless-steel heat exchanger PERFORMANCE CERTIFIED BY TÜV RHEINLAND GROUP ARISTON NET COMPATIBLE SUPER SILENT EASY TO USE ITALIAN DESIGN SYSTEM MANAGEMENT AUTO FUNCTION EASY INSTALLATION EASY MAINTENANCE ARISTON NET COMPATIBLE SUPER SILENT EASY TO USE ITALIAN DESIGN SYSTEM MANAGEMENT AUTO FUNCTION EASY INSTALLATION EASY MAINTENANCE TECHNICAL DATA 24 30 38 TECHNICAL DATA 18 24 30 180 25 Efficiency 180 25 Efficiency 745 ERP rating - heating/DHW ERP data - seasonal space heating efficiency ERP data - water heating energy efficiency ERP data - noise level ERP data - tapping profile SEDBUK rating SAP efficiency 2005 SAP efficiency 2009/2012 Rating % % dB - Band % % A/A 94 83 49 XL A 90 89.4 A/A 94 82 51 XL A 90.2 89.4 A/A 94 85 52 XXL A 90 89.4 745 ERP rating - heating/DHW ERP data - seasonal space heating efficiency ERP data - water heating energy efficiency ERP data - noise level ERP data - tapping profile SEDBUK rating SAP efficiency 2005 SAP efficiency 2009/2012 Rating % % dB - Band % % A 94 - 51 - A 90.2 89.4 A 94 - 49 - A 90.1 89.5 A 94 - 51 - A 90.3 89.5 Power & Performance Power & Performance 150 315 (Mod. 24) 385 (Mod. 30/38) DHW flow rate ∆T @ 35ºC Heat output max (CH) Heat output max (DHW) Min/Max heating temperature (high temp. range) Min/Max heating temperature (low temp. range) DHW temperature min/max l/min kW kW °C °C °C 10.4 22 26 35/82 20/45 36/60 12.5 28 30 35/82 20/45 36/60 15.5 31 38 35/82 20/45 36/60 150 315 (Mod. 18/24) 385 (Mod. 30) DHW flow rate ∆T @ 35ºC Heat output max (CH) Heat output max (DHW) Min/Max heating temperature (high temp. range) Min/Max heating temperature (low temp. range) DHW temperature min/max l/min kW kW °C °C °C - 18 - 35/82 20/45 - - 22 - 35/82 20/45 - - 28 - 35/82 20/45 - Characteristics Characteristics KEY A \ Central heating flow B \ Domestic hot water outlet C \ Gas inlet D \ Domestic hot water inlet E \ Central heating return Minimum ambient temperature DHW minimum flow rate DHW pressure - min/max Built-in expansion vessel capacity Servicing clearances - top/front/bottom Servicing clearances - left/right Weight NOx Electrical Data °C l/min bar I mm mm kg mg/kWh 5 2 0.2/7.0 8 300/450/250 5/5 29.7 53 5 2 0.2/7.0 8 300/450/250 5/5 32.3 51 5 2 0.2/7.0 8 300/450/250 5/5 33.4 55 KEY A \ Central heating flow C \ Gas inlet D \ Domestic cold water inlet E \ Central heating return Minimum ambient temperature DHW minimum flow rate DHW pressure - min/max Built-in expansion vessel capacity Servicing clearances - top/front/bottom Servicing clearances - left/right Weight NOx Electrical Data °C l/min bar I mm mm kg mg/kWh 5 - - 8 300/450/250 5/5 28.5 57 5 - - 8 300/450/250 5/5 28.5 53 5 - - 8 300/450/250 5/5 31.1 51 Electrical supply Protection grade of electrical system V/Hz IP 230/50 X5D 230/50 X5D 230/50 X5D Electrical supply Protection grade of electrical system V/Hz IP 230/50 X5D 230/50 X5D 230/50 X5D 32 Product Codes 3301043 3301044 3301045 Product Codes 3301046 3301047 3301048