Installation manual

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Air Top 2000 S Circuit Diagrams
13. Circuit Diagrams
13.1 Legend for Circuit Diagrams
c With positive from terminal (15/75) to
connection 10:
Permanent operation for immediate heat as long as
the ignition is switched on Without positive at
connection 10:
Heating time is variably programmable (10 min to
120 min), default setting 120 min
Figure 30. Air Top 2000 S with combination timer 1531 - connection diagram
Cable colors
(where applicable)
bl
br
ge
gn
gr
or
rt
sw
vi
ws
blue
brown
yellow
green
grey
orange
red
black
violet
white
Item Description Comment
A1 Heater Air Top 2000 S
A2 Control module
B1 Flame sensor
B2 Temperature sensor Internal
B3 Overheating sensor Overheating guard
E Ceramic glow pin
F1 Fuse 24 V 10 A/12 V 15 A Flat fuse SAE J 1284
H1 LED, green (in item S1) Indicator
H7 LED red (in item P) Light in immediate heat button,
ready indicator, ON indicator
H8 Heating symbol in the display
(in item P)
On indicator, overheating
indicator
H9 Light (in item P) Display light
M Motor Combustion and hot air fan
P1 Combination timer (1531)
S1 Control element Set point generator switch
X1-X5 Plug connector, 2-pin To item A2
X6 Plug connector, 8-pin To item A2
X7 Plug connector, 4-pin To item S1
X8 Plug connector, 2-pin To item Y1
X9 Plug connector, 2-pin To item A2
X11 Plug connector, 6-pin To item A2
X12 1-pin Plug connection PC Diagnostic Link
X13 12-pin Plug connection To item P1
Y1 Dosing pump
3 2 1
6 5 4
9 8 7
12 11 10
12V
24V
Combination Timer 1531
Adapter Harness
P/N 9008440A
Brown
Battery Negative (12, 4)
Red
Battery Positive (11)
Black
Battery Positive
or Ignition Signal (10)
Grey
Lights (1)
(optional)