Technical data

Air Top 2000 S Circuit diagrams
71
Item Description Comment
A1 Heater Air Top 2000 S.
A2 Control module
B1 Flame sensor
B2 Temperature sensor
B3 Overheating guard
E Glow plug / Flame monitor
F1 Fuse 24V 10A/12V 15A Flat fuse SAE J 1284
H1 LED, green (in item S1) Indicator
H6 Light (at least 1.2 W) Switch-on indicator pumping
device
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
P1 Combination timer (1531)
P2 Standard timer (1531)
S1 Control element Setpoint generator switch
S2 1 or 2-pin disconnecting
switch
Emergency Stop switch, electric
or pneumatic
S3 Momentary-contact switch Immediate heat button remote
control
S4 Switch On and for pumping device I
S5 Switch On and for pumping device II
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
X9 Plug connector, 2-pin to item A2
X11 Plug connector, 6-pin to item A2
X12 1-pin plug connection Diagnostic (K cable)
X13 12-pin plug connection to item P
Y1 Dosing pump
Y2 Solenoid valve for pumping device I
Y3 Solenoid valve for pumping device II
Item Description Comment