Alarko ACK2, Operation Manual

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15
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Boilers must not be installed in areas where inflammable vapors and materials
are likely to e present. To avoid damage to the boilers, contamination of the
combustion air by high levels of dust or halogenated hydrocarbons (e.g.
Solvents, spray can propellants, cleaning agents, adhesives, etc.) must be
avoided. The humidity level must not be high in boiler rooms.
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The boiler room must not be used for other purposes and must not have an
open connection to the other closed living areas. Connection door must be
air tight, fire resistant and self closing.
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An emergency shut down switch must be placed in a proper place outside
the boiler room. This switch must cut off the fuel line and must be identified
by a name plate.
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If the system is running with a fuel heavier then air and the boiler room is
under ground level, then the firing system must have a flame control device
and the possible leakage from fuel lines must be ventilated to a safe place by
ex-proof mechanical means.
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All electrical connections must be according to current standards and wiring
diagrams are given in this manual. Please pay special attention to earth
connections to all electrical items in the boiler room. Never use fuel or water
pipes as an earth connection.
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The boiler chimney connections should be designed according to the norms
and the distance between boiler and the chimney must be minimum. The
chimney connection must be executed according to the required technique;
the ducts must
be easily dismountable with no counter slopes, fissures,
elbow curves, etc. For quick guide a Stack dimension chart is given in this
manual.
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There must not be any valves between the boiler and the safety items such
as high pressure safety valve, safeguard against lack of water, pressure limiter,
and expansion tank. Only you can have an engineer’s lockable isolating
valve can be placed before the closed expansion tank for maintenance
purposes.