Technical data

9.0 Electrical
28
9.2 Illustrated Wiring Diagram
Gas Valve
Fan
Condensate Trap
CH
Flow Switch
Flow
Thermistor
Spark
Electrode
Flame
Detection
Electrode
Main
PCB
r
r
gy
gy
r
b
br
g
w
Flow Overheat
Thermostat
Fan Overheat
Thermostat
bk
bk
bk
r
bk
w
w
op
g/y
g/y
b
Layout of PCB Pins
Optional
Pump
Feed
g/y
br
g/y
br
Pump
y
b
y
g/y
L
N
Filter
Plug
br
b
g/y
Wiring Key
b - Blue
bk - Black
br - Brown
r - Red
w - White
g/y - Green/Yellow
g - Green
gy - Grey
op - Opaque