Spheros Thermo S 160, Workshop Manual

Page: 52 / 75

Thermo S 160/230/300/350 s m a r g a i d c i t a m e h c S 6 0 0 4 /
603
Fig. 602 Standard system connection with digital timer 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
2
1
1
4
3
2
MV
M
Z
M
R
T
V
B
BM
DVW
r
ell
or
t
n
o
C
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
1
2
8
4 7 12
10 11
5
6
3
4
2
1
2
X2
X3
X4
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
61 (D+)
HS
S3 UPFA
30(2)
30 (1)
Terminal 31
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
rt
br
Control unit Heater
58
75(15)
1
1
Terminal
Terminal
Terminal
K-line or CAN-H
Diagnosis
Operating mode
Diagnosis
Diagnosis
Saving mode
1 normal
Saving mode 2
S2 (3-step switch)
Digital timer P
with Plus on terminal 10 =
Continuous operation for immediate heating
Terminal 10 open =
Heating period can be variably programmed
(10 min to 120 min)
Heater wiring
harness
coolant
overheating
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 di splay for testing, max. 5W
Legend
Item Description
BA (Test) Optionally connec tible lamp for diagnosis
purposes, max. 5W
ZFG Electronic ignition unit
Legend (cont.)
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.
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
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