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8 Caractéristiques techniques
8.1 Caractéristiques techniques
Type de chaudière
MCA 45 MCA 65 MCA 90 MCA 115
Généralités
Réglage du débit Réglable
Modulant, Marche/Arrêt, 0 - 10 V
Plages de puissance (Pn) G20
Régime Chauffage (80/60 °C)
Minimum-
maximum
kW 8,0 - 40,0 12,0 - 61,0 14,1 - 84,2 20,5 - 107,0
Réglage d’usine kW 40,0 61,0 84,2 107,0
Plages de puissance (Pn) G25
Régime Chauffage (80/60 °C)
Minimum-
maximum
kW 6,6 - 33,2 10,0 - 50,6 14,1 - 84,2 20,5 - 107,0
Réglage d’usine kW 33,2 50,6 84,2 107,0
Plages de puissance (Pn) G20
Régime Chauffage (50/30 °C)
Minimum-
maximum
kW 8,9 - 43,0 13,3 - 65,0 15,8 - 89,5 22,7 - 114,0
Réglage d’usine kW 43,0 65,0 89,5 114,0
Plages de puissance (Pn) G25
Régime Chauffage (50/30 °C)
Minimum-
maximum
kW 7,4 - 35,7 11,0 - 54,0 15,8 - 89,5 22,7 - 114,0
Réglage d’usine kW 35,7 54,0 89,5 114,0
Rendement chauffage à pleine charge (Hi)
(80/60 °C)
- % 97,2 98,3 97,9 96,6
Rendement chauffage à pleine charge (Hi)
(50/30 °C)
- % 102,9 104,6 104,1 102,5
Rendement chauffage à charge partielle
(Hi) (Température de retour 60°C)
- % 97,5 98,3 96,6 96,5
Rendement chauffage à charge partielle (EN
92/42)(Température de retour 30°C)
- % 107,7 108,9 108,1 107,1
Données relatives aux gaz et aux produits de combustion
Consommation de gaz G20 (Gaz naturel H) Minimum-
maximum
m
3
/h
0,9 - 4,4 1,3 - 6,6 1,5 - 9,1 1,8 - 11,7
Consommation de gaz G25 (Gaz naturel L) Minimum-
maximum
m
3
/h
0,8 - 4,2 1,3 - 6,2 1,7 - 9,8 2,1 - 13,7
Consommation de gaz G31 (Propane) Minimum-
maximum
m
3
/h
0,3 - 1,7 0,5 - 2,5 0,6 - 3,5 0,6 - 4,7
NOx-Émission par an (EN 483)
mg/kWh 37 32 45 46
Débit massique des fumées Minimum-
maximum
kg/h 14 - 69 21 - 104 28 - 138 36 - 178
Température des fumées Minimum-
maximum
°C 30 - 67 30 - 68 30 - 68 30 - 72
Caractéristiques du circuit chauffage
Contenance en eau
l 5,5 6,5 7,5 7,5
Pression de service de l’eau Minimum kPa (bar) 80 (0,8) 80 (0,8) 80 (0,8) 80 (0,8)
Pression de service de l’eau (PMS) maximum kPa (bar) 400 (4,0) 400 (4,0) 400 (4,0) 400 (4,0)
Température de l’eau maximum °C 110 110 110 110
Température de service maximum °C 90 90 90 90
Caractéristiques électriques
Tension d’alimentation
VAC/Hz 230/50 230/50 230/50 230/50
Puissance absorbée - Grande vitesse maximum W 68 88 125 199
Puissance absorbée - Petite vitesse maximum W 18 23 20 45
8. Caractéristiques techniques MCA 45 - 65 - 90 - 115
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