AIRTRONIC D2/D4 Espar

4
Introduction
Espar ‘s AIRTRONIC bunk heaters
The AIRTRONIC D2 is a compact diesel-fired 7,500 BTU/hr air
heater, quality engineered to provide a dependable means of
space heating. This heater is uniquely designed for inside
mounting and ease of installation. The AIRTRONIC D4 is a
12,000 BTU/hr air heater for larger bunks.
These heater provide hot air to the interior of vehicles
for passenger comfort. Since the heater runs on diesel
fuel and 12 or 24 volt power, it is able to provide space
heat completely independently of the vehicle engine.
The heater is operated by a rheostat switch or room thermostat.
It cycles through four temperature settings (boost-highmedium-low)
in order to maintain the desired temperature.
If, in special cases, less heating capacity is required than
the heater supplies in the “Low” setting, the heater switches to
a “stand-by” setting. Temperature and overheat sensors, and a
specially designed heat exchanger are among the safety features
which make this heater a safe and dependable unit.
For illustration purposes only