Riello 20072969 Installation, Use And Maintenance Instructions page 53

Wiring layout key
A5 Control box
A6 O module
2
AZL Display for control box
BA Probe with output under current
BA1 Device with output under current, for modifying remote
set-point
BA2 Load indicator with input under current
BA3 Device with current output for remote modulation
BP Pressure probe
BP1 Pressure probe
BT3 Probe Pt100, 3 wires
BT4 Probe Pt100, 3 wires
BT5 PT 1000 probe, 2 wires
BV Output probe in voltage
BV1 Output device in voltage to modify remote set-point
BV2 Device with voltage current output for remote modula-
tion
F1 Inverter power supply fuses
F2 Line fuses
F3 Auxiliary fuse
F4 Line fuses
GF Inverter
G2 Rpm sensor
G10 Oxygen sensor
G20 Fuel temperature probe
G30 Air temperature probe
H1 Light signalling burner on
H2 Fan motor lockout warning lamp
H3 Heat request lighting signal
H4 Burner working lighting signal
ION Ionisation probe
K1 Clean contacts output relay with fan motor working
K2 Clean contacts output relay motor lockout
K3 Clean contacts output relay for burner lockout
K6 Clean contacts output relay burner switched on
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
Q1 Inverter power supply disconnect switch
Q2 Line disconnect switch
RS Remote burner reset button
S1 Emergency stop button
S2 0 / AUTO selector
SH3 Burner reset button and lock-out signal
SM1 Air servomotor
SM2 Fuel servomotor
TA Ignition transformer
TL Limit thermostat/pressure switch
TS Safety thermostat/pressure switch
Appendix - Electrical panel layout
T1
XAZL
XAUX
XPGM
XS
XSM
X1
X02
X70
Y
51 GB
Control box transformer
AZL display connector
Auxiliary terminal board
Maximum gas pressure switch connector
Ionisation probe connector
Servomotor connector
Main terminal supply board
Kit O terminal strip
2
Rpm sensor terminal board
Gas adjustment valve + gas safety valve
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