valve (Vp - see section Air flow) ensures a minimal pressure in the tank, required for oil
circulation under all circumstances.
The oil system is fitted with a by-pass valve (BV). When the oil temperature is below the set-point
of the valve, the by-pass valve shuts off the oil supply from oil cooler. The by-pass valve starts
opening the supply from cooler (Co) when the oil temperature exceeds the setting of the valve.
The setting of the by-pass valve depends on the model. See section Compressor data.
2.4 Cooling system
Cooling system, G 15L, G 18 and G 22 Pack
The cooling system of the Pack version comprises oil cooler (Co) and fan (FN). The fan, mounted
directly onto the motor shaft, generates the cooling air in order to cool the oil and the internal
parts of the compressor.
Instruction book
2920 7119 21 17
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