33
INSTALLATION
Installation and Servicing
30 WIRING DIAGRAM
W
ater Flow
Turbine
W
ater
pressure Switch
Flow
Thermistor
Return
Thermistor
Service Connector
Flame Sensor Electrode
OpenTherm
Timer
Fan
Spark
Electrode
Spark Generator
Gas Valve
Divertor V
alve
Room Stat
Main Supply
Frost Stat
r
b
bk
or
bk
1
X1A
X1B
X1C
X2
X3
X5
X6
X8
2
3
4
5
6
1
2
3
4
5
1
2
3
4
5
6
8
7
9
1
2
3
4
1
2
3
4
5
6
X7
1
2
3
4
5
X13
1
2
3
1
2
3
4
5
6
7
8
9
10
11
p
bk
r
bk
PCB
Earth
Timer Link
y/g
br
b
bk
bk
b
b
br
y/g
- blue - black - brown - red - pink - yellow - white - yellow/green - grey - orange - violet
b bk br r p y w y/g g or v
KEY
p
y
bk
bk
bk
b
y/g
br
y/g
y/g
bk
b
bk
b
br
bk
v
y/g
y/g
1
2
3
4
5
1
2
3
4
5
bk
bk
b
b
b
br
bk
r
r
r
rr
br
v
r
r
bk
y
p
bk
y
p
INST
ALLA
TION
Summary of Contents for ULTRA COMBI 35
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