Unical MODULEX EXT 550 - Electrical Connections Guide

26
3.10 - ELECTRICAL CONNECTIONS
Danger!
Before performing connections or any type of
operation on electrical parts, always disconnect
the electrical power and make sure that it cannot
be reconnected accidentally.
F1
AE
G
H
F
I
18:28
giov 30 20ott 18
effettiva
richiesta
76
°C
84
°C
generatore
10/10
modulazione
100
%
INFO MENU
status
sanitaria
25
°C
678910 11 12 FL TA
INAIL
Y2 - BCM
12345
1
Y3 - BCM
Y2 -HSCP/UFLY
56
843
Y1 -BMM1
432 1
Y4 - BCM
23
B
1
2
3
4
5
6
7
A2
A1
A4
A3
Y2
Y1
Y3
GND
A5
1
2
1
2
3
M1
M2
A8
321 4
765 8
321
A7
4 5 6
A5
2
1
A6
2
1
123
4
56
789101112
123
4
5678
Y1
1
2
34
A2
1
2
34
A3
A1
123
456
ROD1 RO D
F1
A4
51
50
A8
321 4
765 8
321
A7
4 5 6
A5
2
1
A6
2
1
123
4
56
789101112
123
4
5678
Y1
1
2
34
A2
1
2
34
A3
A1
123
456
ROD1 RO D
F1
A4
A8
321 4
765 8
321
A7
4 5 6
A5
2
1
A6
2
1
123
4
56
789101112
123
4
5678
Y1
1
2
34
A2
1
2
34
A3
A1
123
456
ROD1 RO D
F1
A4
D
NPE
L1
NPE
L1
F1
A8
321 4
765 8
321
A7
4 5 6
A5
2
1
A6
2
1
123
4
56
789101112
123
4
5678
Y1
1
2
34
A2
1
2
34
A3
A1
123
456
ROD1 RO D
F1
A4
52
53
00330914
ATTENZIONE!
ATTENTION!
ACHTUNG!
ATENCIÓN!
ATTENTIE!
UPOZORNÌNÍ!
230 V
！
KEY
No. Description
A BCM Boiler controller
B Services connection return terminal board
D Wieland mobile pow. supp. socket 230 V -
50Hz
E Uy P heating controller
F LTGL TLG triggering lamp
G F1 Power supply fuse 6.3 AT 250V
H Boiler Main switch
I LTGL Manual reset main limit thermostat
50 BMM Burner management board
51 Power supply board
52 F1 Power supply fuse 6.3AF 250V
53 F1 BMM Board Fuse 6.3AF 250V