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ra
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D
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C
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G
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c
o
T
h
e
rm
X
J
S1
MAIN SWITCH
H1
SIGNALLING „SWITCHED ON“
F1
FUSE 10A
Z1
SUPPRESSOR FILTER X31.1 10A
X1
TERMINAL BLOCK
BT1
SAFETY THERMOSTAT
H2
SIGNALLING OF SAFETY THERMOSTAT
S2
SWITCH „START OF BURNER“
BT2
OPERATIONAL THERMOSTAT
BT3
THERMOSTAT OF PUMP
* - In WL4 cable is alternatively a grey or blue
conductor
** - The producer provides two kinds of input cables
of the burner, either a tripple-conductor cable
WL6 (brown, blue and green-yellow wires) or
four-conductor cable WL4 (black, brown, grey
and green-yellow wires).
Wire colour
GNYE
green yellow
BK
black
BN
brown
BU
blue
GR
grey
