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APPENDIX 1 Connection diagram
= brown
= blue
= yellow/green
= black
= white
= red
A
= Ignition controller
B
= ON/OFF switch
C
= Pilot burner
D
= Spark electrode
E
= Flame probe
F
= Transformer flame detection *
G
= Combustion products discharge safety device
H
= Control thermostat
K
= Safety thermostat
L
= Timer *
M
= Remote button
N
= Terminal block
P
= Terminal block
R
= Earth terminals
S
= Connector to ignition controller
T
= Gas control valve
U
= Connection strip
V
= Tank earth
W = Casing earth
X
= Control panel base plate earth
* = Optional
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