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9 EFFICIENCY DATA AND GAS EFFICIENCY LABELS
9.1 Annual efficiency
108.7 % in relation to Hi at a load of 30% and a return tem-
perature of 30°C.
9.2 Water-side efficiency
98 % in relation to Hi at full load and an average water tem-
perature of 70°C (80/60°C).
94.3 % in relation to Hi at full load and an average water tem-
perature of 40°C (50/30°C).
