INSTALLATION
mini HE --- Installation & Servicing
22
23 PICTORIAL WIRING
mini HE C24, mini HE C28
110
108
107
106
5
6
7
8
9
10
11
12
13
14
15
1
2
3
4
Ignition
electrodes
Flame detection
electrode
Safety
thermostat
External controls Electric supply
Fan Air pressure
switch
Time switch
123
t
bk bk
t
bk
bk
bk
M
~
M
~
bk
bk
bk
bk
bk
bk
M
~
bk
bk
bk
terminal blockterminal block
gy
bk
Pump
Modulating
Primary circuitDHW temperature
probe NTC
Three way
diverter valve
gas valve
DHW flow
switch flow switch
CH temperature
probe NTC
Electronic
control p.c.b.
Full sequence
ignition device
gnye
gnye
bu
gnye
gyrd
bu
wh rd
bu
rd
bu
bn
bu
bn
bn
bu
bn
bu
bk
bn
bu
3
1
2
rd
bu
bn
bn
gnye gnye
gnye
gnye
gnye
gnye
gnye
gnye
gnye
bu
bn
bn
bu
rd
rd
wh
bu
rd
bu
rd
rd
gy
bn
bu
bu
bu
bn
bu
gy
rd
gnye
gnye
vt
og
bn
bu
bk
rd
bk
wh
gn
NC
COM
NO
bu
bn
bk
bu
bn
bu
bn
bn = brown
bu = blue
bk = black
wh = white
rd = red
gy = grey
gn = green
ye = yellow
vt = violet
og = orange
gnye = green/yellow
16
17
18
19
20
31
30
29
28
27
26
25
24
23
22
21
(optional)
101
104
105
102
103
111
112
109
113
116
114
115
122
121
120
117
118
119
Electronic
control p.c.b.
Full sequence
ignition device
Pin position ref. numbering
Pin position ref. numbering
bn
gnye
bu
P.C.B. #1
P.C.B. #2
P.C.B. #1 P.C.B. #2
Wiring diagram for boiler equiped with full sequence ignition device type: Bertelli & Partners FM30
bn
bnbn
bu
bu
Flue
thermostat
Condensate
trap
INSTALLATION
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