16 EcoBlue Heat
3 Technical Specifications
3.1 Technical Data (cont)
7212435 - 02 (08/14)
3.3 Electrical Diagram
Gas Valve
Safety
Thermostat
Return
Sensor
Flow
Sensor
Parameter
Unit
Pressure
Switch (where
fitted)
Electrode
User Interaction
Controller
r
b
br
b
g/y
g/y
r
Not used
Loop Connector
(where no pressure
switch fitted)
Mains
Electrical
Test Point
g/y
br
b
L
N
Key To Wiring Colours
b - Blue
r - Red
br - Brown
g/y - Green/Yellow
All other wires are black
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