
Installers and service technicians
Electrical Connection
Page 56
B0190806
s
7
7.3.3
Overview of connected components
CLOSER
R
OPENER
FAULT
STOKER
THERMOST.
STOKER
SCREW
DISCHARGE
SCREW
FAN
ASH
SCREW
HEAT
EXCHANGER
DRIVE
SUCTION
UNIT
IGNITION
230 VAC
POWER
SUPPLY
FRÖLING DEVICE
EXTENSION
BUS
GND
IN
GND
IN
GND
IN
GND
IN
GND
IN
GND
IN
GND
IN
LEVEL MIN
LEVEL MAX
JAM
SENSOR
COVER
CONTACT
COMBUST. CHAMB.
EXC. PRES. MON.
BOILER
RELEASE
KEY
SWITCH
ASH SCREW M5
HEAT EXCH.
DRIVE M4
MAX LEVEL S1
SUCTION
UNIT M3
STOKER SCREW M1
IGNITION E1
FAN M0
COMBUSTION CH.-
EXCESS PRESS.
MON. S4