Iso 7547 pdf download

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The ventilation can be controlled depending on Barometric pressure: mbar outside air temperature and the heat generated in the engine room.

Reference conditions for other spaces on board of Ship regulated by: ISO , Shipbuilding — Air-conditioning and ventilation of accommodation spaces on board ships— Design conditions and basis of calculations ISO , Air-conditioning and ventilation of machinery control rooms on board ships — Design conditions and basis of calculations ISO , Shipbuilding — Air conditioning and ventilation of wheelhouse on board ships — Design conditions and basis of calculations ISO , Ships and marine technology — Ventilation of cargo spaces where vehicles with internal combustion are driven ISO , Shipbuilding — Ventilation and air treatment of galleys and pantries with cooking appliances As per reference [9] the following conditions shall be met with regard to permanent workplaces: - Engine room maximal temperature must be below C - Engine control room temperature mus be below C or less Fig.

Machinery spaces ventilation system [8] becouse of electronic equipment and in both situation, maximal 70Cdiference temperture below outside summer temperature. The air introduced into the engine room ventilation - Work shop maximal temperature no more than C, and should be distributed in a balanced manner taking into account the maximal de 50C below summer outside temperature. Usually basket ship engine room serves for evacuation of most of the hot air. At the same time, the outdoor fans may be used.

Excessive temperature in the engine room should be avoided throughout the operation of the ship. A decrease in temperature must also be avoided, especially during maintenance. In winter conditions, with very low temperatures preheat systems should be used. As a heating agent, thermal oil can be used in or glycol mixture in water to avoid freezing plants.

If steam is used in the heating system of the vessel shall be provided a preheating secondary. Normally, the intake air is taken from the engine room, passed through the filter to the blower unit of supercharger. This reduces the risk of engine use in cold or contaminated air.