Riello RL 34 MZ Instrucciones De Instalación, Funcionamiento Y Mantenimiento página 27

WIRING DIAGRAM KEY
A - Electrical control box
BB - Components on burners
BC - Components on boiler
C1 - Capacitor
F1 - Fan motor thermal relay
FR - Photocell
H - Remote lockout signalling
IN - Manual burner arrest switch
h1 - Hour counter
h2 - Hour counter
KM - Motor contact maker
MV - Fan motor
Q1 - Three-phase knife switch
Q2 - Single phase knife switch
RS - Remote burner reset button (accessory)
S1 - Switch: burner on-off
S2 - Switch: 1st - 2nd stage
TA - Ignition transformer
TL - Extreme thermostat/pressure switch
TR - Adjustment thermostat/pressure switch
TS - Safety thermostat/pressure switch
XP4 - 4 pole socket
XP5 - 5 pole socket
XP7 - 7 pole socket
XTB - Shelf earth
XTM - Fan unit earth
X4 - 4 pin plug
X5 - 5 pin plug
X7 - 7 pin plug
V1 - Ignition solenoid /1st stage
V2 - 2nd stage solenoid
WC - Capacitor connection
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