Electric Diagrams - Biasi Riva Plus Installation & Operation Instructions

5.

Electric Diagrams

Electric supply
terminal
block
External
controls
L
terminal
block
1 2 3
bn
gnye bu
rd bu
rd bu bn
bk rd bu
y g y g
bn - brown
bu - blue
bk - black
wh - white
rd - red
gy - grey
ye - yellow
gnye - green/yellow
12 RIVA PLUS MANUAL
Flue
Thermostat
Thermostat
Fan
N
rd
M
~
gnye
wh gy
gnye
gnye
gnye
bu
bk bk
gnye gy
bu
COM
bk bu
bk bu
NO
Primary Circuit C.h. temperature
Flow Switch probe NTC
Caution: Label all wires prior to disconnection when
servicing controls. Wiring errors can cause im-
proper and dangerous operation.
Verify proper operation after servicing
Safety Air Pressure
Switch
NC NO
bn bu
COM
rd
bk
ye bk wh gy bu rd
rd
rd
wh
gy
bk
bu
bn
gy
wh
bu
bk
rd
bu
g n e y y g b
M
~
t
Pump
Ignition Flame Detection
Electrodes Electrode
ye wh bu
bk gy rd
bk
rd
u
gy
gy
Gas
Valve