253 D2CNL-A1A Daikin Altherma 3 C Gas Supremely compact gas condensing wall mounted boiler providing heating and hot water J Easy to service: all parts are accessible by only removing the front panel J Very compact unit and flexible in use: possible to install in nearly all room conditions (inside the house as well as outside) thanks to freeze protection for water piping D2CNL-A1A D2CNL-A1A Indoor unit D2 CNL024A1A Central heating Heat input Qn (net calorific value) Nom Min/Max kW 4/23.50 Heat input Qn (gross calorific value) Nom Min/Max kW 4.40/26.10 Output Pn at 80/60°C Min/Nom kW 3.80/22.80 Output Pnc at 50/30°C Min/Nom kW 4.40/24 Water pressure (PMS) Max bar 3 Water temperature Max °C 100 Operation range Min/Max °C 30/80 Domestic hot water Heat input (net calorific value) Qnw Nom Min/Max kW 4/25.50 Heat input (gross calorific value) Qnw Nom Min/Max kW 4.40/28.30 Domestic hot water threshold L/min 2.30 Temperature Factory setting °C 50 Operation range Min/Max °C 35/60 Gas Consumption (G20) Min/Max m³/h 0.40/2.50 Supply air Connection mm 100 Concentric Yes Flue gas Connection mm 60 Space heating General Seasonal space heating efficiency class D A+++ ŋs (Seasonal space heating efficiency) % 93 Domestic hot water heating General Declared load profile XL Water heating energy efficiency class F A+ ŋwh (water heating efficiency % 87 Casing Colour Titanium White (Ral9003) Material Powder painted galvanised steel plate Dimensions Unit HxWxD Casing mm 590x400x256 Weight Unit Empty kg 27 Power supply Phase/Frequency/Voltage Hz/V 1 ~/50/230 Electrical power consumption Max. W 100 Standby W 3 Category Description Material Nr Valve Kit Valve Kit for Combi Boiler DRVALVEKIC1AA Wall Rack Wall Rack for small boilers DRWALLRACK1AA Cover Plate Bottom cover plate DRCOVERPLATAA Flue Gas Connector Elbow PP 60/100 DRMEEA60100BA Twin Box Adapter 80/80 DRDECOP8080BA Vert. Conn. 60/100-80/125 DRDECO80125BA 80 °C up to + D A+++ F A+
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