IDEAL HE15 Installation And Servicing page 28

36 PICTORIAL WIRING DIAGRAM
LEGEND
b - blue
bk - black
br - brown
gy - grey
or - orange
pk - pink
or
r - red
or
v - violet
w - white
y - yellow
y/g - yellow/green
37 FUNCTIONAL FLOW WIRING DIAGRAM
LEGEND
b - blue
bk - black
br - brown
gy - grey
or - orange
DC
Fan
pk - pink
r - red
v - violet
w - white
y - yellow
y/g - yellow/green
Ignition electrode
28
INSTALLATION
bk
r
Fan
Overheat
thermostat
Flow
r
control
r
thermistor
Chassis
br
Condensate
pump
b
terminal
r
bk
br
Boiler
mains
terminal
r
br
bk
bk
Ferrite
or
or
Fused at
3.15ATL
bk
Control PCB
r
br
Mains Switch
2
br
1
r
pk
Flame detection
electrode
Spark generator
Dry fire
thermistor
Control thermistor
pk
y
b
Gas valve
earth
y/g
y/g
y/g
Spark generator
b
b
bk
br
bk
br
Service
connection
y
b
pk
y y
y/g
r
r
r
Control PCB
bk
y
b
y/g
br
b
y
y
User PCB
r
r
Dry fire
thermistor
y y
y/g
User
control
and
display
b
v
ON /OFF
Switch
r
br
bk
r r
Cond.
External
Pump
switch
Alarm
or
or
DC Gas valve
bk
b
v
mxhe7604
mexico HE -
Installation & Servicing
b N
L
br
E
r
y/g
Overheat
thermostat