Repair manual

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X1 X4X3X2 X5
X1 = Connection, Combustion and Heating Air Fan
X2 = Connection, Dosing Pump
X3 = Connection, Flame Sensor
X4 = Connection, Glow Plug
X5 = Connection, Temperature Limiter
Fig. 702 Terminal Pin Assignment, Air Top 2000 without Diagnosis
702
7 Circuit Diagrams Air Top 2000