Installation Manual

Electrical & Electronic Application And Installation Manual
Production Release Version 1.0
Page 77
7.3 1204F DEF System
7.3.1 System Architecture
Figure 7.5 Tier 4F 1204F DEF System Architecture
Component Reference
Component Description
A&I Installation Instruction
Location
1 Tenneco XNOx DCU Main
Power Relay
Section 7.3.2.1
2 DEF Tank Header Unit Section 7.3.2.4
3 Coolant Diverter Valve Section 7.3.2.3
4 DEF Fluid Line Heater Section 7.3.2.6
5 Tenneco XNOx DCU & Pump
Unit
Section 7.3.2.2
6 DEF Injector Section 7.3.2.5
Table 7.4 1204F DEF Component Reference Table
Line
Heater
Header Unit
DEF
Tank
Line
Heater
Coolant Diverter Valve
DEF Level
DEF Temp
Tenneco XNOx DCU
DEF Injector
DEF Quality
DEF Dosing Pump Unit
Encl.
Heater
Pressure
Sensor
DC
Pump
Line
Heater
MAIN
POWER
RELAY
1
6
2
5
4
3