IDEAL istor HE260, Installation And Servicing, Page: 38 / 80

38
istor system store -
Installation and Servicing
INSTALLATION
Dry fire
thermistor
bk
br
br
br
b
bk
v
br
b
b
pk
pk
pk
pk
pk
pk
r
y
r
r
b
r
r
or
or
or
or
r
br
b
b
pk
pk
y
y
y/g
y/g
b
bk
Overheat
thermostat
Flow
thermistor
Diverter valve
Gas valve
PUMP
Return
thermistor
DHW
Thermistor
User control
and display
ON /
OFF
Switch
Service
connection
Mains
supply
230V 50Hz
Fan
bk
y
Chassis
earth g/y
ist9894
Control
PCB
Fused at
3.15ATL
b
b
br
bk
y
y
y/g
y/g
y/g
y/g
y/g
Spark generator
r
r
y/g
v
v
v
v
w
45 PICTORIAL WIRING DIAGRAM
LEGEND
b
- blue.
bk - black.
br - brown.
r - red.
y - yellow.
w - white.
y/g - yellow/
green.
gy - grey.
or - orange.
v - violet
INST
ALLA
TION