8 Servicing work
NGW 300 / LGW 300 / GBW 300
804
Fig. 802 Installation example for a bus heater
Wasserheizungskreislauf - Wandheizkörper und Dachkanalheizung
4
8
3
1
1
1
1
2
7
5
6
9
10
11
12
Supply
Return
Gas pipe
Water heating circuit – wall-mounted heater and roof duct heating
1 Wall-mounted heater with fan
2 Heat exchanger access
3 Heater
4 Circulating pump
5 Roof heat exchanger
6 Vehicle engine
7 Driver cab heating
8 Control element
9 Gas tanks
10 Gas pressure regulator
11 Thermostat valve
12 Air vent slots (at the highest point for the NGW 300 and at the lowest point for the LGW 300)