CleaverBrooks CFC-E 2000 - Page 14

BOILER BOOK CFC-E PERFORMANCE DATA
14
Table 5. CFC-E Efficiencies
CFC-E 500 Efficiency
% Firing Rate
Return Water Temperature °F ( °C )
68 80 100 120 130 140 160
(20) (27) (38) (49) (55) (60) (72)
20% 99.0 97.8 96.1 92.4 90.4 88.9 88.1
50% 97.9 96.7 94.7 91.5 89.9 88.6 87.9
75% 97.2 95.7 93.6 90.8 89.4 88.4 87.7
100% 96.5 94.8 92.5 90.0 89.0 88.1 87.6
CFC-E 750 Efficiency
% Firing Rate
Return Water Temperature °F ( °C )
68 80 100 120 130 140 160
(20) (27) (38) (49) (55) (60) (72)
20% 98.5 97.4 95.6 92.1 90.3 88.8 88.0
50% 97.2 95.7 93.6 90.8 89.4 88.4 87.7
75% 96.1 94.3 92.0 89.7 88.7 88.0 87.5
100% 95.0 92.9 90.3 88.6 88.0 87.6 87.3
CFC-E 1000 Efficiency
% Firing Rate
Return Water Temperature °F ( °C )
68 80 100 120 130 140 160
(20) (27) (38) (49) (55) (60) (72)
20% 99.0 98.8 97.0 93.3 90.7 88.9 88.0
50% 97.8 96.9 94.7 91.5 89.8 88.5 87.7
75% 96.9 95.4 92.7 90.0 89.0 88.2 87.5
100% 95.9 93.8 90.8 88.6 88.2 87.9 87.3
CFC-E 1500 Efficiency
% Firing Rate
Return Water Temperature °F ( °C )
68 80 100 120 130 140 160
(20) (27) (38) (49) (55) (60) (72)
20% 98.5 97.6 95.2 91.8 90.1 88.8 88.0
50% 97.1 95.9 93.4 90.6 89.3 88.3 87.8
75% 96.0 94.4 91.9 89.6 88.6 87.9 87.5
100% 94.9 93.0 90.4 88.6 87.9 87.5 87.3
CFC-E 2000 Efficiency
% Firing Rate
Return Water Temperature °F ( °C )
68 80 100 120 130 140 160
(20) (27) (38) (49) (55) (60) (72)
20% 98.0 97.1 94.5 91.4 90.0 88.9 88.0
50% 96.6 95.5 93.0 90.5 89.3 88.5 87.7
75% 95.5 94.1 91.7 89.6 88.8 88.2 87.5
100% 94.3 92.7 90.5 88.8 88.3 87.8 87.2
Conditions:
Natural Gas
40% Excess Air
Relative Humidity = 50%
ΔT = 40°F
R & C Loss = 0.2% of rated capacity