Technical data

7 Circuit Dia
g
rams BBW 46 / DBW 46
702
Fig. 702 Automatic Switching Circuit for BBW 46/DBW 46, 12 and 24 Volt Timer and Telestart T6
B1
B2
EX1F3 R1
M1
M2
bl/ge
gr
vi
br
rt
ge
sw
33
44
55
22
1
9
66
7
7
8
8
P
X1 Y1
X2 Y2
AB C D
M
2
1
6
4
2
2
5
3
1
1
68
2
57
34
1
6 8 10 12
2
57 911
3
4
1
br ge
M
M
(75) 15
61
30
sw
br
sw sw ws ws br ge ge
ge
br bl ge/rt bl
bl
bl br
br or or
rt
rt rt vi vi gn gn gn
rt/bl
rt
87a
85
86
87
30
30
E1
E2
31
31
gn/ws
rt
sw/rt
ws/sw
br
br
rt
sw
br
br
br
87a87b
87
3
4
1
5
2
6
197
8
8
7
6
4
5
4
16
312
3
12
22
11
11
2
2
10
5
Y
A
F4 F2 F1
F3
K6
R2
24V
12V
A2
A4
S3
B3
W1
W1
W1
W1
M3
S2
S1
R1
A1
M1
X1
X1 X1
M2
B1 B2
X2
E
K7
bl
br
ge
gn
gr
or
rt
sw
vi
ws
Wire Colours
blue
brown
yellow
green
grey
orange
red
black
violet
white
Wire Gauges
< 7.5 m 7.5 - 15 m
0.75 mm
2
1.0 mm
2
1.5 mm
2
2.5 mm
2
4.0 mm
2
1.5 mm
2
1.5 mm
2
2.5 mm
2
4.0 mm
2
6.0 mm
2
Item Nomenclature Remark
A1 Heater BBW 46 / DBW 46
A2 Control Unit SG 1560
A4 Telestart receiver T6
B1 Flame Sensor
B2 Temperature Sensor
B3 Room Thermostat for vehicle air fan on/off
E Glow Plug
F1 Fuse 16A vehicle fuse DIN 72581
F2 Fuse 8A vehicle fuse DIN 72581
F3 Temperature Fuse
F4 Fuse 16A vehicle fuse DIN 72581
K6 Relay for vehicle air fan
K7 Relay for telestart receiver
M1 Motor combustion air fan
M2 Motor circulation pump
M3 Motor vehicle air fan
P Timer, digital for timer operation
R1 Resistor for part load operation
R2 Resistor only required for 12 V glow plug in
24 V heater
Item Nomenclature Remark
S1 Switch for vehicle air fan depending on vehicle, S1 or S2
S2 Switch for vehicle air fan depending on vehicle, S1 or S2
S3 Switch for circulation pump for separate switch-on
V3 Diode (in item A2)
V108 Transistor (in item A2)
W1 Wiring harness
X1 Connection, 12-pole
X2 Connection, 2-pole
X4 Connection, 1-pole
Y Dosing Pump