{"id":11846,"date":"2018-07-24T10:53:51","date_gmt":"2018-07-24T08:53:51","guid":{"rendered":"https:\/\/www.kromschroeder.de\/process-heat\/products\/kromschroeder-system-technology\/gas-systems\/gas-utilization\/air-supply\/air-supply-including-fan-control\/"},"modified":"2018-07-24T10:53:52","modified_gmt":"2018-07-24T08:53:52","slug":"air-supply-including-fan-control","status":"publish","type":"page","link":"https:\/\/www.kromschroeder.de\/en\/kromschroeder-system-technology\/gas-systems\/gas-utilization\/air-supply\/air-supply-including-fan-control\/","title":{"rendered":"Air supply including fan control"},"content":{"rendered":"

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    Air Supply<\/h1>\n

    overview<\/a><\/p>\n

    Air supply including fan control<\/h1>\n
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    Standard: EN 746-2<\/a><\/p>\n<\/div>\n<\/div>\n

    \"\"<\/p>\n\n\n\n\n\n\n\n\n\n\n
    No.<\/th>\nComponent description<\/th>\nStandards and Docuthek<\/th>\n<\/tr>\n<\/thead>\n
    010<\/td>\nCombustion air fan with intake filter<\/td>\n<\/td>\n<\/tr>\n
    020-030<\/td>\nPressure gauge, e.g. pressure gauge with capsule element KFM with pressure gauge valve DH or MH<\/td>\nDocuthek<\/a><\/td>\n<\/tr>\n
    040<\/td>\nAir deficiency cut-out, e.g. pressure switch DG<\/td>\n5.2.2.5.1 Air<\/a><\/p>\n

    Docuthek<\/a><\/td>\n<\/tr>\n

    050<\/td>\nAir flow detector, e.g. pressure switch DG as differential pressure switch<\/td>\n5.2.2.5.1 Air<\/a><\/p>\n

    Docuthek<\/a><\/td>\n<\/tr>\n

    060<\/td>\nAir orifice, e.g. Type VMO for air flow monitoring with differential pressure switch<\/td>\nDocuthek<\/a><\/td>\n<\/tr>\n
    <\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Application<\/h1>\n

    Central combustion air supply with air deficiency cut-out and air flow monitoring<\/p>\n

    Function<\/h1>\n

    The supply air pressure generated by the fan (010) is monitored by the pressure switch (040) acting as an air deficiency cut-out. When the fan is started by the process control system, contact changeover at the pressure switch is checked.<\/p>\n

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    During the pre-purge, a differential pressure switch (050) monitors the air flow on the orifice (060).<\/p>\n

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    If there is no air pressure supplied or if there is no differential pressure on the orifice, the system will be blocked.<\/p>\n

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    Notes<\/h1>\n