Technical data

8 Servicing

Thermo Top Z/C

802

Prior to the heater's first operation or after renewal of the

coolant the cooling system must be carefully bled. The

heater and the lines must be installed to ensure static

venting.

1Radiator

2 Coolant thermostat

3 Water pump (of vehicle engine)

4 Vehicle engine with standard outfit

5 Water heater

6 Battery

7 Fuse holder

8 Control unit (in heater)

9 Relay (for vehicle air fan)

10 Control valve of vehicle heating system

11 Heat exchanger of vehicle heating system

Insufficient venting may cause overheating during heater

operation.

12 Air fan of vehicle heating system

13 Switch for air fan of vehicle heating system

14 Fuse box in vehicle

15 Timer

16 Fuel tapping

17 Air intake muffler

18 Exhaust muffler

19 Circulation pump (only applicable for supplementary

heating)*

20 Fuel dosing pump

* part of modification kit

Fig. 803 Fuel Supply

max. 3 m

i ø 2 mm

Diesel Fuel

+ I

≤ 7 m l

+ l

≤ 4.5 mm

≤ 1.2 m l

≤ 0.5 mm

≤ 5.8 m l

≤ 4 mm

Heater

Fig. 802 Example for Heater Installation in Passenger Vehicle