Spheros Thermo S 160, Workshop Manual

Page: 51 / 75

r e h T s m a r g a i d c i t a m e h c S 6 mo S 160/230/300/350/400
602
Fig. 601 Standard system connection to wiring harness 11115706A
1
2
D2 A1 A2 X3
1
3 6
4
X2
1
X1
3
2
1
D1
1
7
8
2
1
5
2
6
1
13
2
14
ZFG
SE
-
+
2
3
1
2
1
4
3
2
1
4
3
2
1
coolant
overheating
2
1
1
4
3
2
MV
M
Z
M
R
T
V
B
BM
DVW
Controller
V
cc
V
cc
V
cc
C
1
C
2
150°C 125°C
-50°C
1
2
3
5
4
6
13
5
8
9
14
7
2
3
4
10
6
1
11
12
A1
A2
1
2
0,75mm
0,75mm
0,75mm
0,75mm
0,75mm
BA +
BA -
D1
D2
W-BUS S
+
-
BA (Test)
3
4
2
5
1
5
6
3
4
2
1
2
X2
X3
X1
0,75mm
0,75mm
0,75mm
0,75mm
0,75mm
0,75mm
0,75mm
2,5mm
2,5mm
2.5mm
2,5mm
2,5mm
UP -
UP +
M
UP 1
FA +
FA
Terminal 61 (D+)
HS
S1
S3
UPFA
BA
Terminal 30(2)
Terminal 30 (1)
BA +
30
31
61
F1
(HG)
F2
(UP)
F3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
0,75mm
-
0,75mm
2
2
1
6
br
bl
br
rd
rd/wt
bl
or
bl
rd/wt
rd
bl
br
or
rd
bl
br
ye
rd
br
Control unit
Heater
Heater wiring
harness
Terminal 31
K-line or CAN-H
L-line or CAN-L
Diagnosis
Operating mode
Diagnosis
Diagnosis
Saving mode 1
normal
Saving mode 2
S2 (3-step switch)
Item Description
BA Operating display max. 5W
BM Combustion air motor
DVW Nozzle block preheater
F1 Vehicle blade-type fuse 25 A according to DIN 72581 part 3
F2 Vehicle blade-type fuse 25 A according to DIN 72581 part 3
F3 Vehicle blade-type fuse 5A according to DIN 72581 part 3
FA Flame display max. 5W
HS Main switch
MV Solenoid valve
S1 Main switch - heater On/Off
S2 Switch - operating mode - saving mode
S3 Switch - UP On/Off (without heating function)
S4 Switch UP 2 On/Off
UP Circulating pump
UPFA External circulating pump actuation
UPL Optional circulating pump display for testing, max. 5W
Legend
Item Description
BA (Test) Optionally connec tible lamp for diagnosis
purposes, max. 5W
ZFG Electronic ignition unit
Legend (cont.)
Cable cross-
section in heater
wiring harness Cable cross section for cable
lengths in vehicle
< 7.5 m 7.5 - 15m
0.75 mm
2
0.75 mm
2
1.5 mm
2
1.0 mm
2
1.0 mm
2
1.5 mm
2
1.5 mm
2
1.5 mm
2
2.5 mm
2
2.5 mm
2
2.5 mm
2
4.0 mm
2
4.0 mm
2
4.0 mm
2
6.0 mm
2
Note:
For cable lengths below 7.5 m in the vehicle, at least the
same cable cross-sections as in the heater wiring harness
must be used. For cables lengths between 7.5 m and 15 m
in the vehicle, the cable cross sections must be enlarged
according to the table.
Line colours
bl
br
ye
ge
gr
or
rd
bl
vi
wt
rd/wt blue
brown
yellow
green
grey
orange
red
black
violet
white
red/white