Main characteristics
SL
320 420 420 D 600
Total capacity L 318 413 413 606
Primary capacity L 55 55 55 161
DHW capacity L 263 358 358 445
Primary connection [F] " 1 1/2 1 1/2 1 1/2 2
DHW connection [M] " 1 1/2 1 1/2 1 1/2 1 1/2
Auxiliary DHW loop connection [M] " 1 1/2 1 1/2 1 1/2 1 1/2
Primary pressure drop* mbar 90 95 95 92
Heating surface area m² 2.65 3.24 3.24 3.58
Max Design Pressure* bar 10 10 10 10
Reheat Performance - Primary
Heating Power Input*
kW 60 65 65 71
Primary ow rate (to achieve Reheat
Performance) *
L/sec. 1.81 1.81 1.81 2.08
Standing Heat Loss*
kWh/24h 1.82 2.02 2.02 2,64
W 76 86 84 110
* According to EN12897:2016
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