Diagrams; Wiring Diagram M90F.24S M90F.28S M90F.32S - Biasi GARDA M90F.24S Service Manual

3

Diagrams

3.1

Wiring diagram M90F.24S M90F.28S M90F.32S

Wiring diagram for boiler equiped with full sequence ignition device type: ceza
supply terminal
m
1
c
gr n
r r
r
r r
t
1
DHW temperature DHW flow
probe NTC switch
m --- brown
c --- blue
n --- black
Fan
Electrical
block
L N
M
~
m g/v c g/v c n
g/v
g/v
g/v
n
c
n n r
c
m
c
c
r
b c
b
v
J11
COM
2
b c c
t
c
3
CH temperature Primary
probe NTC pressure switch
b --- white
r --- red
gr--- grey
Air pressure Safety
switch
thermostat
COM
gr
gr
NO
b
n
g/v
g/v
g/v
c
n
gr
b
b n
r
n
n
1
r c n
3
n
2 M
~
NO
Three way
diverter valve
a --- orange
g --- yellow
g/v --- yellow/green
v --- green
Flame detection ignition
electrode electrodes
gr
Modulating gas valve
n
gr
n
b
n
g/v
g/v m c
M
~
Pump
r
n
b
v
Time switch
5