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Tab.4 Généralités
Unité EFU C 19 EFU C 24 EFU C 32
Puissance utile Pn - à 80/60 °C
Mode chauffage
kW 18,2 23,1 30,7
Puissance utile Pn - à 50/30 °C
Mode chauffage
kW
19,3 24,3 32,0
Puissance enfournée Qn - Hi
Mode chauffage
kW
19 24 32
Rendement Hi - 100% Pn - Température moyenne 70 °C
Mode chauffage à pleine charge
%
96,4 96,3 95,8
Rendement Hi - 30% Pn - Température de retour 30 °C
Mode chauffage à charge partielle
%
101,5 100,9 99,9
Débit nominal d’eau à Pn et ΔT = 20K
m
3
/h
0,783 0,994 1,319
Pertes à l’arrêt Pstby à Δt = 30K W 84 84 100
Pertes par les parois à Δt = 30K % 97 97 94
Tab.5 Caractéristiques hydrauliques
Unité EFU C 19 EFU C 24 EFU C 32
Contenance en eau (hors vase d’expansion) litre 24 29,5 35
Pression minimale de service MPa (bar) 0,05 (0,5) 0,05 (0,5) 0,05 (0,5)
Pression maximale de service MPa (bar) 0,3 (3) 0,3 (3) 0,3 (3)
Température maximale de l’eau °C 90 90 90
Pertes de charge circuit hydraulique à Δt = 10K mbar 142 226 402
Pertes de charge circuit hydraulique à Δt = 15K mbar 63 101 179
Pertes de charge circuit hydraulique à Δt = 20K mbar 36 57 101
Tab.6 Données relatives aux produits de combustion
Unité EFU C 19 EFU C 24 EFU C 32
Emission de NOx suivant EN267 classe 3 classe 3 classe 3
Débit massique des fumées Pn 40/30 °C kg/h 31 39 51
Volume circuit fumées litre 38 48 58
Température des fumées (Pn) 80/60 °C °C <75 <75 <85
Pression disponible à la buse Pa 20 30 40
Nombre d’éléments en fonte Pièce 3 3 4
Nombre d’accélérateurs de convection Pièce 3 3 3
Tab.7 Caractéristiques électriques
Unité EFU C 19 EFU C 24 EFU C 32
Tension d’alimentation VAC 230 230 230
Indice de protection électrique IP 21 21 21
Puissance maximum absorbée - Grande vitesse - Elmax W 172 143 143
Puissance maximum absorbée - Petite vitesse - Elmin W 96 69 77
Puissance maximum absorbée - Stand-by - Psb W 4 4 4
Tab.8 Autres caractéristiques
Unité EFU C 19 EFU C 24 EFU C 32
Température de service maximum °C 90 90 90
3 Caractéristiques techniques
7611878 - v01 - 25062015 EFU C 11
11


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