Operation_Standard Machine - Electrolux IC4 4819 FFS Service Manual

Service
Manual

Operation_Standard machine

Controlled by the ELECTROLUX ITS, the A9 igniter controls the ignition of the gas pipe burner
when the machine is switched on.
The ELECTROLUX ITS checks the operation of the A9 igniter using the KA90 relay.
The ignition of the gas pipe burner is carry out by the Y1/Y2 electrovalves and the E1, E2 and
E3 electrodes, once the fault gas (KA90) is validated by the ELECTROLUX ITS.
The B5 pressostat check the pressure of the gas in order to protect the heating system.
The B126, B127 and B128 temperature sensor (PT100) contribute to the regulation of the
temperature and the overheating detection of ironing cylinder according to the following
condition:
Overheating condition:
Overheating on side
Overheating on center
The F2 thermal fuse (T°C > 240°C) and the B3 safety thermostat (T°C > 210°C) are used like
thermal breaker to protect the machine against overheating > 210°C.
Power supply
3 phases
Q0
400
24
ARU
04102011/GB
50.2011
= 1
= 0
= 1
= 0
230
Q1 T1
T2
X118 X129
X116
E1 - E2
Y1 - Y2 A9
KA90
Gas heating
when B126 >230°C or B128 > 230°C
when B126 & B128 < 200°C
when B127 > 240°C
when B127 < 240°C
Q3
F2 B3 B5
X108 X109 X110
X126 X127
B126 B127 B128
* ARU = Security chain, emergency push button
B2
X111 X117
A1_BASE
X128
25
3