8. PRE-START UP 8.1 If not already verified in the electrical section, check the rotation of fan by energizing the fan for an instant to verify rotation. Rotation must be clockwise when viewed from the end of the motor discharge side. If the rotation is correct, start the motor. 8.2 Check the compressed air system for leaks. Confirm 80 PSI minimum air pressure (maximum 90 PSI). 8.3 Ensure that all joint connections, such as the connection between the unit body and discharge module, or the unit body and stand, are sealed with an appropriate sealant to guard against air leaks. 8.4 Visually inspect that all cartridge filters are present and installed properly. 8.5 Check that the compression couplings of the pulse valves are tight. 8.6 Manually activate the reverse cleaning valves. This can be done in F06 on the Turbo pulse controller. 8.7 Check each valve for leaks. NOTE: It is normal for the bleed port to release a burst of air at each pulse. 8.8 Check the adequacy of air supply by assuring no less than 35% drop in pressure during pulsing. 9. START UP 9.1 Apply compressed air to the manifold. 9.2 Enable power to the main blower. 9.3 Enable power to the Turbo Digital Pulse Control or any other cleaning controls. 9.4 Enable power to any other auxiliary equipment, if applicable. 9.5 COMMENTS REGARDING FILTER DIFFERENTIAL PRESSURE DURING OPERATION: 9.5.1 Depending on operating conditions, reaching equilibrium for filter differential pressure may vary from a few hours to several weeks. Low dust loading will normally develop 2-3”w.g., normal loading typically generates 3-6”w.g., and high loading varies from 6 - 10”w.g. 9.5.2 Low dust loading typically shows a steady level of differential pressure with very little fluctuations once equilibrium is reached. By contrast, heavy loading can produce significant variance in operating differential pressure. 9.5.3 If your unit is equipped with the Turbo pulse controller, then it is usually necessary to gradually raise the high and low set points to reflect the normal buildup on the filters.
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