RDG603A20 - Issue 10
Page 26 of 100
Connections on Engine
Connections on Header Tank
Shire 38
Shire 40
Shire 45
Shire 50
Figure 15: Header Tank Connections
7. Calorifier
The temperature of coolant flowing to the calorifier from the engine can be between
85 and 90°C. A blender valve must be incorporated in the calorifier / hot water system
outlet to lower the hot water temperature for domestic use.
The hose connections for the calorifier are for a ½” internal diameter hose.
The connections for the calorifier are shown on (
Figure 16
)