Page 117 - 2019 Technical NMT Hybrid4

HYBRID4 NMT – TNGA Engines – Variable Flow Cooling System
System diagram

 The Variable Flow Cooling System has two distinct circuits controlled

by the Flow Shutting Valve

Flow is stopped through

the heater core in early

Warm-up mode FSV1

Cylinder Head
In Heater Priority mode, EGR Cooler

the flow shutting valve EGR Heater
Core
opens, allowing heater Valve

operation Engine
Block
Throttl Cylinder
Max Cool mode stops Water e Body Head

coolant flow to the heater Pump

core, ensuring A/C cooling

efficiency FSV1: For heater control

Radiator