GF83.70-W-4020A | Glow pin, location/purpose/design | 29.8.96 |
MODEL 950, 952, 953, 954 with CODE (H64) Hot water auxiliary heater "Eberspächer" D9W
W83.70-0032-12
2 Control module
3 Glow pin
4 Temperature sensor
5 Burner
6 Heat exchanger
7 Overheating sensor
8 Coolant circulation pump
9 Burner housing
10 Flame sensor
11 Combustion air blower
Location | |||
Purpose | The purpose of the glow pin is to ignite the fuel/air mixture in the heater combustion chamber when the heater starts up. After the flame monitor has recognized formation of a flame, the glow pin is switched off again by the control module. | ||
Design | The glow pin consists of a mass-free metal glow pin with control filaments bedded in quartz sand. This glow filaments heat up as soon as the glow pin is switched on. The control module provides the control and power for the glow pin. |