2.
General Description
The air heater Air Top 2000 and Air Top 2000 Diagnosis
with serial no. 30.000 and up operating to the evaporator
principle basically consist of:
- combustion and heating air fan
- heat exchanger
- burner insert with combustion tube
- control unit
Air Heater Air Top 2000
For control and monitoring a
- control unit/control circuit board
- flame sensor
- glow plug
- temperature limiter
- temperature sensor
are located within the unit.
12 Volt heaters (Air Top 2000 without Diagnosis) may be
controlled by means of an external temperature sensor.
All heaters of air Top 2000 Diagnosis may be controlled
by means of an external temperature sensor.
Fuel supply is provided externally by a fuel dosing pump.
Air Heater Air Top 2000 without Diagnosis
(covers removed)
A malfunction in air heaters Air Top 2000 Diagnosis out-
puts an error code to the display of the combination or
standard timer. When equipped with a control element
the operating indicator flashes. In addition a heater chec-
kout may be performed using a personal computer (refer
to operating instructions PC air heater diagnosis).
Air Heater Air Top 2000 Diagnosis
(covers removed)
2.1
Combustion and Heating Air Fan
The combustion and heating air fan delivers the air re-
quired for combustion from the combustion air inlet to
the burner insert. By means of the fan the heating air is
also delivered to the air outlet.
Combustion and Heating Air Fan
201
Air Top 2000
2 General Description