FULTON FHE-250 - Seasonal Efficiencies

FHE-250 MANUAL 09 2014 ISSUE 2
Page 67
5
5.3
SEASONAL EFFICIENCIES
C.I.B.S.E. Method
100.3% Net Efciency : "A" Rated
Boiler Rating Label Seasonal Efciency Range (net efciency)
A > 96
B 93 – 96
C 90 – 93
D 87 – 90
E < 87
HM Government Non-Domestic Building Services Compliance Guide Method
94.2% Gross Efciency : "A" Rated
90% and above
86% - 90%
82% - 86%
78% - 82%
74% - 78%
B
C
D
E
F
70% - 74%
Below 70%
G
A
A