Valeo DBW 160 Instructions De Montage page 78

Electrical connections
Item Description
1 Heater
2 Control module
4 Electronic ignition unit
5 Thermostat
8 Thermostat
10 Ignition electrodes
12 Thermostat
61.3 Supressor (2x)
F1 Overheat fuse
F2 Fuse 16A
F3 Fuse 8A
H1 Light, green
H2 Light,
circulating pump
K1 Relay
K2 Relay
K3 Relay
K4 Relay
K5 Relay
M1 Motor
M2 Motor
R Flame sensor
S1 Switch
S3 Switch at water valve
S4 Switch
X1 Plug connection, 2-pin
76
Remarks A B C D
Insulated return
SG 1553
Control thermostat
Overheat thermostatt
Control thermostat (ext.)
Radio supression
polarity independent
Vehicle fuse DIN 72581
Vehicle fuse DIN 72581
Operation indication
If switched by S4
Circulating pump; neg. ter-
minal of heater
Heater motor
Light, thermostat operation
control
Electronic Ignition unit
Solenoid valve, flame sen-
sor
Circulating pump
Combustion air fan
Photoresistor, polarity inde-
pendent
Heater on/off
Contact open, when water
valve is closed
for on/offF,
Circulating pump separate
Item Description
Y1 Solenoid valve
A installed in the heater
B supplied loose
C only if required
D provided in vehicle
included in standard kit
may be supplied depending on model
Legend DBW 230/300/350
DBW 160/230/300/350
Remarks A B C D
Polarity independent