Control panel 0Q2K12XA
Electrical connections terminal block diagram (fig. 3)
Legend:
IG Main switch
TS 100°C safety thermostat
TA Room thermostat
SB Burner shutdown indicator
TC Circulating pump thermostat (40°C)
TRC (TR1 - TR2) 2-stage thermostat 1st - 2nd
flame (40°-85°C Δt 1st-2nd flame = 7°C)
IG
TS
L N
3 4 5 6 7 8
L
1
Terminals legend:
3 Burner line
4 Burner neutral
5 Burner ground
6 - 7 Burner consent
8 Burner shutdown
10 - 11 Room thermostat
12 - 13 Auxiliary consent
EN
8
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SB
9
1 0 11 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2
N
T
T
S
B
1
2
3
4
CB
fig. 3 - Control panel 0Q2K12XA wiring diagram
cod. 3541R601 - Rev. 00 - 09/2019
CA Auxiliary contact
CB Burner connector
CB2 2nd stage burner connector
TR Circulating pump thermostat (50°C)
TC
22
TA
CA
14 - 15 Circulating pump
16 Circulating pump ground
17 - 18 - 19 2nd stage consent
20 - 21 - 22 Recirculation pump
The connections in dashed lines are to be carried out
by the installer
Control panel
TRC
TR
21
11
24
12 14
B
T
T
T
5
6
7
8
CB2