2
wetted with lukewarm water and a mild
detergent, then dry using a clean cloth.
Keep air inlet and fan free from dust and dirt. To
clean inner parts, gently blow compressed air
through air inlet.
Regularly inspect the power cable: if worn,
cracked or damaged replace it with an original
spare part.
Before storing the heater, make sure it is
completely cool and dry.
Before starting maintenance
or cleaning: shut down, unplug and let the
heater cool down for at least 15 minutes.
Do not attempt any electrical repair yourself.
If the heater needs service or repair, contact
a qualified electrician.
Do not use a faulty unit until a qualified
technician has inspected and repaired it.
When cleaning, make sure that water does
not enter the unit.
Do not spray water into the heater.
Never use solvents, gasoline, toluene and
similar aggressive chemicals to clean the
heater.
U
se only original equipment replacement
parts. The use of alternate or third party
components can cause unsafe operation and
will void your warranty.
RECOMMENDED MAINTENANCE SCHEDULE
Fuel tank
Drain and flush fuel tank using clean kerosene
every 150-200 hours or as needed.
Nozzle
Inspect and clean nozzle every heating season.
Unscrew nozzle from nozzle fitting. Blow
compressed air through nozzle orifice to free it
from dirt particles. Replace nozzle if needed.
Air intake and output filters
Every 500 hours: Inspect air filters. Remove filter
end cover (1), wash air intake filter (2) using a
light detergent and dry it thoroughly before
reinstalling. Replace air outlet filter (4) (Fig. 8)
Fuel filter
Inspect, clean or replace fuel filter every 500
hours or less as needed.
Ignition electrodes
Clean, adjust and if necessary replace ignition
electrode every heating season. For electrode
gaps see Fig. 9.
Compressor Pressure Adjustment (Fig. 10)
The compressor pressure is
factory set and must be checked and
adjusted by service persons only. Tampering
with the unit may cause incorrect combustion
and dangerous emissions.
To check and adjust the pressure proceed as
follows:
Remove the pressure gauge port cap (1).
Connect a 0-15 psi pressure gauge to the
pressure gauge port. Be sure that the pressure
Fig. 9
0.26”
(6.6 mm)
Fig. 8
0.48”
(12.1 mm)