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Unité EFU 22 EFU 29
Pertes par les parois à Δt = 30K % 88 88
Tab.5 Caractéristiques hydrauliques
Unité EFU 22 EFU 29
Contenance en eau (hors vase d’expansion) litre 24,5 30
Pression minimale de service MPa (bar) 0,05 (0,5) 0,05 (0,5)
Pression maximale de service MPa (bar) 0,3 (3) 0,3 (3)
Température maximale de l’eau °C 90 90
Pertes de charge circuit hydraulique à Δt = 10K mbar 19 34
Pertes de charge circuit hydraulique à Δt = 15K mbar 9 15
Pertes de charge circuit hydraulique à Δt = 20K mbar 5 9
Tab.6 Données relatives aux produits de combustion
Unité EFU 22 EFU 29
Emission de NOx suivant EN267 mg/kWh classe 3 classe 3
Débit massique des fumées Pn 40/30° C kg/h 36 48
Volume circuit fumées litre 41 51
Température des fumées Pn 80/60° C °C <160 <160
Dépression nécessaire à la buse Pa 5 5
Nombre d’éléments en fonte Pièce 4 5
Nombre d’accélérateurs de convection Pièce 2 2
Tab.7 Caractéristiques électriques
Unité EFU 22 EFU 29
Tension d’alimentation VAC 230 230
Indice de protection électrique IP 21 21
Puissance maximum absorbée - Elmax W 143 144
Puissance minimum absorbée - Elmin W 50 50
Puissance absorbée - Stand-by - Psb W 4 4
Tab.8 Autres caractéristiques
Unité EFU 22 EFU 29
Température de service maximum °C 90 90
Plage de réglage de la température eau de chauffage °C 30 - 90 30 - 90
Plage de réglage de la température eau chaude sanitaire °C 40 - 65 40 - 65
Thermostat de sécurité °C 110 110
Poids à vide kg 166 191
Tab.9 Caractéristiques du brûleur
Unité EFU 22 EFU 29
Type de brûleur RDB 2.2 RDB 2.2
Débit fioul kg/h 2,02 2,69
3 Caractéristiques techniques
7611897 - v01 - 09072015 EFU 11
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