Webasto DBW 2010 Service And Repair Manual

www.webasto.us 35 Webasto Product N.A., Inc.
DBW 2010/2020/300 COOLANT HEATERS CIRCUIT DIAGRAMS
7. CIRCUIT DIAGRAMS
7.1 DBW 2010 12 V AND 24 V - EARLY CANADIAN VERSION
Figure 26: Schematic - DBW 2010 Early Canadian Version
BLACK
BLUE
VIOLET
GREEN
GREEN
ORANGE
WHITE
ORANGE
WHITE
BROWN
BLACK
BLUE
GREEN
YELLOW
BROWN
BROWN
VIOLET
BROWN
BROWN
REDRED
BLUE
GREEN
BLUE
RED
BLACK
BROWN
BLACK BROWN
RED BLACK
GREEN BLUE
RED
YELLOW
BROWN BROWN BROWN
BROWN
RED/YELLOW
RED
RED
RED/YELLOW
BROWN
L1
R
L2
E
S4S3
M2
HR
S2
K
P1
BT
F1 F2 F3
S1
DS
M1
A
B
C
C
A
B
M
M
1
2
4 1
3
6
5 2
52 17
4
68
65
3
4
2
1
85 86
87
30
+
–
CONTROL UNIT
HEATER
1 2
3
45
62
1
1 2
3
4
5
6
7 8
2
3
5 1
6 4
2
3 4
5
6
7
8
BLUE/YELLOW
VIOLET
GRAY
BROWN
RED
BLACK
BROWN
RED
YELLOW
YELLOW
9
VEHICLE IGNITION +
DASH LAMPS (OPTIONAL)
RED
WIRING CABLE TO THE HEATER
TO TIMER OPTION
P2
2
3
5
1
6 4
2
3 4
5 6
7 8
BLUE/YELLOW
VIOLET
GRAY
BROWN
RED
BLACK
BROWN
RED
YELLOW
YELLOW
DASH LAMPS (OPTIONAL)
RED
WIRING CABLE TO THE HEATER
t°
t° t°
BT BATTERY DS INDICATOR LIGHT E IGNITION ELECTRODES F1 FUSE 20A F2 FUSE 7.5A F3 FUSE 25A HR HEATING ELEMENT
(fuel pre-heater)
K RELAY (fuel pre-heater) L1 SOLENOID VALVE L2 IGNITION COIL M1 COOLANT CIRCULATION PUMP M2 HEATER MOTOR P1 7-DAY TIMER (with adapter harness
configured for bus and coach use)
P2 7-DAY TIMER (with adapter harness
configured for truck use)
R FLAME DETECTOR S1 ON / OFF SWITCH (heater) S2 PREHEAT (FUEL) THERMOSTAT
(green and blue wires)
S3 CONTROL THERMOSTAT
(white and orange wires)
S4 TEMPERATURE LIMITER
(green and green wires)

Webasto DBW 2010 Specifications

General

Brand	Webasto
Model	DBW 2010
Category	Water Heater
Language	English