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Diagrams
3.2
Functional flow diagrams
General layout
J1--- 1
Fuse 3,15 A
Electronic
control p.c.b.
(low voltage section)
PTC
Transformer
L
J3--- 5
J3--- 4
J3--- 3
Three way
diverter valve
J1--- 2
N
Pump
J3--- 1
J3--- 2
J2--- 5
J2--- 4
Full sequence
ignition device
Heat request on d.h.w.
Electronic
control p.c.b.
(low voltage section)
J1--- 1
Fuse 3,15 A
PTC
Transformer
L
J3--- 5
J3--- 4
J3--- 3
Three way
diverter valve
J1--- 2
N
Pump
L --- LINE
J3--- 1
J3--- 2
J2--- 5
J2--- 4
N --- NEUTRAL
ACTIVE CIRCUIT
INACTIVE CIRCUIT
Full sequence
ignition device
Heat request on c.h.
Electronic
control p.c.b.
(low voltage section)
J1--- 1
Fuse 3,15 A
PTC
Transformer
L
J3--- 5
J3--- 4
J3--- 3
Three way
diverter valve
J1--- 2
N
Pump
J3--- 1
J3--- 2
J2--- 5
J2--- 4
Full sequence
ignition device
5