4:0 Flow Chart - Alde Comfort 2923-2928 Service Manual

:0 FlOW ChARt
LPG Boiler
12 V
Fuse
Micro-
switch
Ignition
transformer
Spark plug
Circulation pump
12 V
Fuse
ON/OFF
Room
thermostat
K
N
Switch
Switch
12 / 230 V
Relay on
12 V
el. cartridge
Circula-
for 230 V
tion pump
circ.pump
 
output electrical cartridge
12 V
Fuse
ON/OFF
Room
thermostat
N
Switch
Switch
1 kW / 2 kW
Circuit
board on
el. cartridge