Retrotec USACE - Manual (Page 111)

Energy Conservation Measures 89
TABLE 9. ENERGY-INEFFICIENT CONTROLS STRATEGIES (Continued).
Problem description
Waste/
ineffi ciency Reference/
appendix
Electrical
systems Running motors when not required Waste D6,1,1
Loads with large variations serviced by constant speed motors Ineffi ciency D6.1.6
Idling equipment Waste D6.1.7
Constant-speed primary chilled-water pumps above 3.785 kW (5 hp) Ineffi ciency D6.2.2
Constant-speed condenser water pumps Ineffi ciency D6.2.3
Transformer taps not set at proper settings Ineffi ciency
Duplication or excessive metering of use Ineffi ciency
Processes Operating exhaust systems when no plating operations are occurring
and other times when not required
Waste D7.2.2
Using continuous operating welding exhaust Waste D7.4.1
Running foundry exhaust systems when not required Waste D7.7.1
Inoperable, uncalibrated, or poorly adjusted furnace and burners
controls
Ineffi ciency D7.8.3
More than 20% excess oxygen in fl ue gases Ineffi ciency D7.8.12
Furnace or oven cycling on and off at low loads Ineffi ciency D7.8.13
Furnaces with continuously lit pilot. Waste D7.8.14
No automatic stack damper Ineffi ciency D7.8.15