Riello RS 1000/E BLU Installation, Use And Maintenance Instructions page 48

Wiring layout key
A5 Control box
AZL Display for control box
BA Probe with output under current
BA1 Device with output undercurrent, for modifying remote
setpoint
BA2 Load indicator with input under current
BA3 Device with output under current for remote modulation
BP Pressure probe
BP1 Pressure probe
BT3 Probe Pt100, 3 wires
BT4 Probe Pt100, 3 wires
BT5 Probe Pt1000, 2 wires
BV Output probe in voltage
BV1 Output device in voltage to modify remote setpoint
BV2 Device with voltage current output for remote modula-
tion
F1 Fan motor thermal relay
F3 Auxiliary fuse
H1 Light signalling burner on
H2 Fan motor lockout warning lamp
H3 Heat request lighting signal
H4 Fuel supply light signal
KL1 Star/triangle starter line contactor and direct start-up
KT1 Star/triangle starter triangle contactor
KS1 Start/triangle starter star contactor
KST1 Star/triangle starter timer
k1 Clean contacts output relay for fan ON
k2 Clean contacts output relay for motor lockout
k3 Clean contacts output relay for burner lockout
k6 Clean contacts output relay
MV Fan motor
PA Air pressure switch
PE Burner earth
PGMax Maximum gas pressure switch
PGMin Minimum gas pressure switch
PGVP Pilot valves gas pressure switch
QRI Flame sensor
RS Remote burner reset button
S1 Emergency stop button
S2 "0 / AUTO" selector
SH3 Burner reset button and lockout signal
SM1 Air servomotor
SM2 Gas servomotor
SV External safety valve
TA Ignition transformer
TL Limit thermostat/pressure switch
TR Adjustment thermostat/pressure switch
TS Safety thermostat/pressure switch
T1 Control box transformer
XAZL AZL display connector
XAUX Auxiliary terminal board
XPGM Maximum gas pressure switch connector
20058360
Appendix - Electrical panel layout
XS
XSM
X1
Y
46 GB
Flame sensor connector
Servomotor connector
Main terminal supply board
Gas adjustment valve + gas safety valve