Air Heaters - Webasto Air Top 2000ST Installation Instructions Manual

Marine heating system Installation Instructions

9 Air heaters

9.1 General
Use Heating and ventilation of
- Ships cabins
- Bridges
Installation accessories: see parts catalog.
9.2 Method of operation
Air heating in lockers draws in outside air over in-built fans and hot air intakes. The air heated in the
heater flows through warm air hoses towards the bow. The warm air enters the cabins through
outlets. Fuel is supplied by separate metering pumps from the boat's fuel tank. Power is supplied
(for the fan, electronics, etc.) from the boat's battery. The combustion circuit is separated from the
heating circuit. Independent combustion air intake. Exhaust removal through exhaust pipes
including silencers to the outside.
Interior temperature regulation: by cabin temperature sensor and preset value control. The heater
system constantly compares the actual temperature with the selected temperature and
automatically adjusts the heating capacity accordingly.
Example of a sailing yacht: 1) Air heating; 2) Heating air intake; 3) Warm air hose; 4) Outlet;
5) Metering pump; 6) Fuel tank; 7) Exhaust pipe; 8) Temperature sensor; 9) Control
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