Viessmann Vitorond 200 Series Service Instructions For Contractors page 37

Specification
(cont.)
Rated heating output
Standard seasonal efficiency [to DIN]
At heating system temperature
75/60 °C (for operation with fuel
oil)
Standby loss q
B,70
kW 630 700
%
% 0.18 0.17
780 860
88 (H ) [gross cv]
s
0.16 0.14
Specification
950 1080
0.13 0.13
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