Operating instructions

38
M
M
a
a
i
i
n
n
t
t
e
e
n
n
a
a
n
n
c
c
e
e
,
,
T
T
r
r
o
o
u
u
b
b
l
l
e
e
s
s
h
h
o
o
o
o
t
t
i
i
n
n
g
g
&
&
R
R
e
e
p
p
a
a
i
i
r
r
s
s
Repair step 2
Connect the glow plug leads
Figure 24, 25 and Sketch 3
•
First, latch the leads of glow plug 2 (6 / short leads) into
position in the 14-pin connector (29).
Then wind the leads of glow plug 1 (5) 2 x around the leads
already latched into position in the 14-pin connector and then
latch into position in the 14-pin connector (29).
Use a cable tie (12) to bundle all leads above the winding.
Connect the 14-pin connector (29) to the control box / blower
unit.
Assemble control box/blower unit and jacket
Temperature sensor, Yellow
Sensor ground, Blue / White
Overheating sensor, Red
Motor, Phase 1, Pink
Motor, Phase 2, Green
Motor, Phase 3, Orange
Water pump, Brown / Black
Flame sensor +, Blue
Flame sensor, Brown
Glow plug 1, long cable , Brown
Glow plug 1 +, long cable , White
Glow plug 2 +, short cable , White
Glow plug 2, short cable , Brown
Water pump, Black / Red
Sketch 3
Note: • The leads may not lay against the housing.
• Check the glow plugs before completely assembling
the heater. For check values, see fault code 020 / 021.