NOTE: The digital reverse jet pulse controller with “Pulse on Shut down” feature must be wired with a continuous 115 volt supply. The control must not be wired in parallel with the fan motor starter. (Exception is when using an Amtech combination motor starter with disconnect as this has a dedicated 115V transformer.)
7.4 Compressed Air
NOTE: The compressed air installation should be performed by a qualified installer and in accordance with local, state, and national codes/regulations/laws (if any).
7.4.1 Compressed air is used to clean the dust coated cartridge filters with a high pressure reverse jet pulse. A 1.5 inch diameter dedicated supply with a minimum of 90 PSI and a maximum of 100 PSI is recommended. An air regulator may be necessary to step down the supply air if the plant pressure is above the recommended rating. NOT complying will result in component damage. 7.4.2 The air supply line to the accumulator tank must include water, oil and particulate filtration. Water and especially oil in the compressed air will significantly reduce the effectiveness of the reverse jet pulse cleaning by contaminating the cartridge filters and causing excessive differential pressure across the filters, which results in greatly reduced air flow along with premature filter replacement. 7.4.3 A 200 PSI gage has been pre-installed to monitor air pressure. Prior to the final connection of the air line to the collector manifold, the air line should be purged. This will remove debris that could damage the valves and block the nozzles in the blow pipes.
NOTE: The compressed air source must be free of oil (and water). Oil (and water) will cause premature failure of the cartridge filters.
7.5 Smoke Detection/Fire Suppression (OPTIONAL)
NOTE: All of the smoke detection/fire suppression installation must be performed by a qualified technician and in accordance with local, state, and national codes/regulations/laws (if any).
7.5.1 Smoke detection and fire suppression is an important aspect of the installation procedure. Fires are a common occurrence in dust collection systems and the comprehensive collection system should be designed for when a fire occurs, not if. Various systems are available for smoke detection and an even greater list of fire suppression technologies exist. Fire sprinkler systems for collectors MUST be properly connected. In most cases, this is the closest building’s fire sprinkler system. ALL smoke detection/fire suppression systems should be periodically inspected and maintained.
7.6 HEPA/SAFETY AFTERFILTERS (OPTIONAL)
NOTE: All of the smoke detection/fire suppression installation must be performed by a qualified technician and in accordance with local, state, and national codes/regulations/laws (if any).
7.6.1 The AutoVent collector with HEPA/SAFETY afterfilter assembly option can be shipped with/with out the HEPA/SAFETY afterfilter assembly (including top plate of the collector) attached. Therefore, if in some cases, it may be necessary to install. In that situation, complete the following steps: • Locate the collector, the top outlet panel (attached to the HEPA/SAFETY afterfilter assembly), and supplied bolts.
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