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MAINE ENERGY SYSTEMS Pellematic PE 12-20 Operating Manual
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Contents
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Prerequisites for installing a pellet boiler113. Negative pressure of the chimneyThe boiler must be connected to a chimney or a vertical venting system that is capable of handling and producing anegative breeching pressure of –0.020 “WC (-5Pa). Use a draft gauge to verify the indicated draft value, adjustbarometric damper as required. Drill a small hole in the connection pipe at about 2in/ 50mm from the boiler flueoutlet and use this hole as your measuring point.Chimney draftThe suction effect of the chimney draft must extend as far as the pellet boiler. The maximumflow rate that can be drawn through the chimney limits the maximum performance of thepellet boiler. The boiler performance must be reduced if the chimney does not possess thenecessary cross-section. This may only be performend by authorised personnel.Too strong a chimney draft increases heat loss whileidling and reduces the efficiency of the heating system.We recommend installing a chimney draft regulator(barometric damper). Chimney draft regulators are installeddirectly into the flue gas tube or chimney.Your state and local regulations must be observed.4. Power venterAutoPellet boilers are approved by the manufacturer for installation with the Field ControlsSWGAF power venter which is approved for wood pellet burning appliances.Boiler installed with SWGAF power venters must follow all manufacturer´s installations andmust comply with all applicable codes from agencies having authority over the installation.5. CleaningClean the flue gas tube and chimney regularly.Risk of chimney fireCreosote-formation and need for removal:Low gas fluetemperature can cause creosote. The creosote condensein the relatively cool chimney. As a result, creosote residueaccumulates on the flue lining. When ingnited, this creosotemakes a hot fire. The chimney and the chimney connectorshould be inspected at least twice monthly during theheating season to determine if a creosote buildup hasoccurred. If creosote has accumulated it should be removedto reduce the risk of a chimney fire.Oxidation of chimneyDo not use metal brushes to clean chimneys made ofstainless steel.Your state and local regulations must be observed.PE 149 USA 4.1 Operating Manual PE 12-32 |
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