Riello RIELLOtech CLIMA COMFORT, Installation, Operation And Maintenance Manual, Page: 18 / 60

18
L
Electrical connections
to be made by the
heating engineer
N PE
230 V~50 Hz
Burner
reset
Power supply
SCH1
FU
S1
6.
3A
-T
0
1
IP
TS
H2 H3
X50-1/5
T1
T2
T3
T4
T5 T6
T7 T8
SCH2
H1
MO1
open
Y1
close
Y2
BSB-
4
p
BSB
N
A
/0
-10V
H1
CH1 pump
Q2
QX1
QX1
St.cyl. pump
Q3
St.cyl. pump
L1
PE
PE
T1
T1
N
N
T2
T2
X3
0
-1
0
p
X3
0
L1
L1
S3
S3
N
N
CH1 snsr
B1
BX
1
BX
1
M
Boiler snsr
B2
DHW 1 snsr
B3
Outdoor snsr
B9
ground ground ground ground
M
BX
2
BX
2
LP
B
-4p
LP
B
M
X
50-
5p
X5
0
X
60-
6p
X6
0
LP
B
DB
ground
MB
L
L
PE
PE
S3
S3
4
4
SK
2
SK
2
SK
1
SK
1
N
N
N
N
N
N
N
N
PE
PE
PE
PE
PE
PE
PE
PE
M
M
M
M
M
M
M
M
CL
+
CL
+
CL
+
CL
+
CL
-
CL
-
CL
-
CL
-
G+
G+
open
Y5
close
Y6
CH2 pump
Q6
N
N
N
N
PE
PE
PE
PE
QX2
QX2
N
N
PE
PE
QX3
QX3
N
N
PE
PE
EX2
EX2
QX4
QX4
FX
4
FX
4
QX4
1
BX
4
BX
4
UX
UX
B1
2
B1
2
H3
H3
BX
3
BX
3
M
M
M
M
M
M
M
M
M
FU Fuse (6.3 A-T)
IP Main switch
SCH1 Main board
SCH2 Display and control card
TS
Safety thermostat (110°C +0/-6)
H1 Electrical power indicator
H2 Safety thermostat trip indicator
H3 Burner lockout indicator
S1 Remote burner reset button
MO1 Connection terminals
FUNCTIONAL ELECTRICAL DIAGRAM FOR RIELLOtech CLIMA TOP CONTROL PANEL
WIRING DIAGRAMS