47 kW suction motor pre-glow system
The system mainly consists of the following parts.
Preglow Relay: This relay has two functions, it determines not only the preglow time depending on the engine temperature, but also energizes the glow plugs. It is placed on plug number 12 of the central unit.
Temperature sensor: It informs the control device what temperature the coolant has - whether the engine should be preheated before starting and, if so, how much.
Glow plugs: They warm up a cold engine for starting and during «cold» state At the same time, they regulate the consumed current themselves - see below.
55 kW turbodiesel preheating system
This pre-glow system is distinguished primarily by the separation of the known pre-glow relay into a control part and a relay part (switching off) Part. These are both the following details.
Control device for automatic heating time. It is located on the upper half of the central electric box on relay plugs 15 and 16 and is, to a certain extent, «brain» preheating systems.
Glow plug relay: it is located on plug 12 of the central electric unit and is «executive body» system It energizes or disconnects the glow plugs.
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