Functional Flow Diagrams - Biasi RIVA COMPACT M90E.24S Service Manual

Wall hung, fan flue, room sealed gas boiler
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3.2

Functional flow diagrams

General layout
J1--- 1
Fuse 1,6A T
L
Heat request on d.h.w.
J1--- 1
Fuse 1,6A T
L
L --- LINE
N --- NEUTRAL
ACTIVE CIRCUIT
INACTIVE CIRCUIT
Heat request on c.h.
J1--- 1
Fuse 1,6A T
L
PTC
Transformer
PTC
Transformer
PTC
Transformer
Electronic
control p.c.b.
(low voltage section)
J3--- 5
J3--- 4
J3--- 3
Three way
diverter valve
Pump
J3--- 1
J3--- 2
J2--- 5
J2--- 4
Full sequence
ignition device
Electronic
control p.c.b.
(low voltage section)
J3--- 5
J3--- 4
J3--- 3
Three way
diverter valve
Pump
J3--- 1
J3--- 2
J2--- 5
J2--- 4
Full sequence
ignition device
Electronic
control p.c.b.
(low voltage section)
J3--- 5
J3--- 4
J3--- 3
Three way
diverter valve
Pump
J3--- 1
J3--- 2
J2--- 5
J2--- 4
Full sequence
ignition device
Diagrams
J1--- 2
N
J1--- 2
N
J1--- 2
N
7

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