Diagrams; Wiring Diagram - Biasi Riva Plus HE M296.24SR/C Service Manual

3

diaGrams

3 .1 wiring diagram

Electric supply External controls
terminal block terminal block
L N
bn gnye bu
bn bn bu bk bu
bn
bu bu
* = alternative
bn = brown
bu = blue
bk = black
wh = white
rd = red
gy = grey
gn = green
ye = yellow
vt = violet
og = orange
gnye = green/yellow
figure 3 .1
Pump
3 2 1
bk
bu bk bn
bk bk
bn bu
gy
ye
bu
bn
bu
gnye
Modulating
gas valve
DIAGRAMS
Fan
Primary circuit
M M flow switch
~ ~
bk gnye bu bn gnye bk
bk
bn bu gnye
bk wh
bk rd wh
rd
1
bk bk
3
bk
4
Combustion Safety
chamber thermostat
over heat
Ignition
electrodes
Air pressure
sensor
1
rd
ye
P
gy
2
3
gy
ye
gy
bu
bu
bk
bk
wh bu
bu
t t
wh
Flue C.h. temperature
probe NTC probe NTC
Flame detection
electrode
gy
rd
gy
ye
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