Riello RS 310/E O2 ULX Installation, Use And Maintenance Instructions page 59

Wiring layout key
A1 Flame control
A2 O2 module PLL.. type
AZL Display and calibration unit
BA Output probe in current
BA1 Device with output undercurrent, for modifying re-
mote setpoint
BA2 Load indicator
BA3 Input in current DC 4...20 mA
BP Pressure probe
BP1 Pressure probe
BT3 Probe Pt100, 3 wires
BT4 Probe Pt100, 3 wires
BT5 PT/LG-Ni1000 probe
BV Output probe in voltage
BV1 Output devicein voltage to modify remote setpoint
CN1 Ionisation probe connector
FU Auxiliary circuits safety fuse
KL1 Line contactor for star/triangle start-up
KT1 Triangle contactor for star/triangle start-up
KS1 Star contactor for star/triangle start-up
KST1 Timer for star/triangle start-up
G10 O2 sensor OGO20 type
G20 Combustion fume temperature sensor probe
G30 Air temperature control probe
H Burner working lighting signal output
H1 Light signalling of mains live state
H2 Fan motor lock-out warning lamp
ION Ionisation probe
K1 Clean contacts output relay burner switched on
K2 Clean contacts output relay burner lockout
K3 Clean contacts output relay VSD alarm
MV Fan motor
PA Air pressure switch
PE Burner earth
PGMax Maximum gas pressure switch
PGMin Minimum gas pressure switch
PGVP Gas pressure switch for valve leak detection control
device
RS Burner reset switch
SM1 Air servomotor
SM2 Gas servomotor
S1 Emergency stop button
S2 Automatic / off selector
SH3 Burner reset button and light signalling of lock-out sig-
nal
TA Ignition transformer
TL Limit thermostat/pressure switch
TS Safety thermostat/pressure switch
T1 Electronic cam transformer
T2 Additional transformer
Y Gas regulator valve + gas safety valve
X1 Main terminal supply board
XAZL Plug for on board display
XPGMax Maximum gas pressure switch connector
Appendix - Electrical panel layout
57 GB
20205906