INSTALLATION
Mini
Installation & Servicing
21
23 PICTORIAL WIRING
Mini S24, Mini S28
LD1
LD2
LD3
F1
F2
K1
K3
K4
LD4
P4
X6
X1
X7
P5
SB1
X5
K2
X3
X2
X4
1
2
3
L
N
X11
M
~
t
Ignition
electrodes
Flame detection
electrode
External controls
terminal block
Electric supply
terminal block
Pump
Fan
M
~
Primary circuit
flow switch
Air pressure
switch
C.h. temperature
probe NTC
Modulating
gas valve
Safety
thermostat
bn = brown
bu = blue
bk = black
wh = white
rd = red
gy = grey
gn = green
ye = yellow
vt = violet
og = orange
gnye = green/yellow
bu
bn
gn
ye
bu
bn
bk
bn
bu
bu
bn
gn
ye
bn
bu
bk
bu
bn
bu bk gn
ye
bu
bk
gn
ye
bk
bk
gy
gy
gy
gy
bn
bu
bk
bk
bk
bk
bk
ye
gy
X8
ye
gy
bu
bu
bk
bn
bu
bu
Wiring diagram for boiler equiped with electronic control p.c.b. type: Bertelli & Partners DIMS11---SA03/16740
NC
COM
NO
Electronic control P.C.B.
LD1
LD2
LD3
F1
F2
K1 K3 K4
LD4
P4
X6
X1
X7
P5
SB1
X5
K2
X3
X2
X4
X8
1 2 3 4
7 8 9
5
10 11 12
13 14
15
16
17 18
19
20
21
22
23
24
25
26
27
28 29 30 31 32 33 34 35 36 37 38
Electronic
control p.c.b.
Pin position ref. numbering
39
6
rd
rd
bu
bn
bu
bu
bu
INST
ALLA
TION
Содержание 41-392-98
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