Technical data

56
9.3 Schematic appliance circuit diagram: VUW 242/1 E, 282/1 E
GW 652/1
FAN
b
br
t
rr
FLAME-SENSOR
IGNITION-ELECTRODES
GAS VALVE
PUMP
PRESSURE
DIFFERENTIAL
SWITCH
OVERHEAT
THERMOSTAT
MAIN
SWITCHBOARD
CONTROL-BOARD
CONTROL-BOX
DHW MICRO
SWITCH
9
IGNITION
TRANSFORMER
grey
orange
green
8
MAIN
TRANSFORMER
75
43LN
NTC
TEMPERATURE
SENSOR
AIR PRESSURE SWITCH
LEGEND
b blue
br brown
r red
t transparent
fig. 80