Electrical Diagram - Main Eco Compact Heat 15 Installation And Service Manual

3.4

Electrical Diagram

br
br
g/y
Safety
Thermostat
bk
Pressure Switch
(where fitted)
Key To Wiring Colours
b - Blue
r - Red
br - Brown
g/y - Green/Yellow
bk - Black
7726859-01 (1/19)
Gas Valve
b
User Interaction
13
Controller
Return
Sensor
bk
b
bk
bk
r
g/y
1
bk bk
bk bk
Flow
Sensor
Parameter
Unit
bk
Loop Connector
(where no pressure
switch fitted)
Technical Specification
Electrode
r
L
N
Electrical
Test Point
Not used
FROM TO COLOUR
HIGH LIMIT BLACK
1
FLOW SENSOR BLACK
2
3
FLOW SENSOR BLACK
4
5 FLOW SENSOR BLACK
6 RETURN TEMP BLUE
RETURN TEMP BLACK
7
8 FLOW TEMP RED
9 PSU BLACK
10
PSU BLACK
PSU BLACK
11
PSU BLACK
12
13 HIGH LIMIT BLACK
13
12 11 10 9 8 7 6
Eco Compact Heat
3
Mains
g/y
br
b
LINK
PRESURE SWITCH
COMBI ONLY
COMBI ONLY
COMBI ONLY
FLOW TEMP
PRESURE SWITCH
1
5 4 3 2
17