NOTE : Instruction s t h at de tail th e oper ation o f Turb o Digit al Pul se Contro l is availabl e unde r separ ate cover . A cop y o f the instruction s shoul d hav e been supplie d wi th th e unit . NOTE : Th e digi tal r ever se jet pul se controlle r wi th “Pul se o n Shu t down” featur e mu st b e wire d wi th 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 a ir in stallation sh ould be p erformed b y a qualified in staller an d in ac cordance w ith loc al, state, an d n ational c odes/regulation s/laws ( i f an y). 7.4.1 Compressed air is used to clean the dust coated cartridge filters with a high pressure reverse jet pulse. A one inch diameter dedicated supply with a minimum of 80 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. Failure to lower the inlet air pressure to the manifold 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 high pressure gage has been pre-installed to monitor air pressure at the manifold. Prior to the final connection of the air line to the collector manifold, the air line should be purged. This will help remove debris that could damage the valves and block the nozzles in the blow pipes. NOTE : Failure t o purge t he air li ne afte r an in itial in stallation, c ommonly o ccur s an d resul ts in d ecreased cleaning ac tion o f th e c ollector. NOTE: The compressed air so urce must be fr ee of o il ( and water ). Oi l ( and w ater ) will cau se premature fai lure of the cartridge fi lters.
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