
5. CLEANING, MAINTENANCE & STORAGE
•
Before starting any maintenance task, 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 persons.
•
When cleaning, make sure that water does not enter the unit.
• Do not open the enclosure to clean the inner parts. Do not spray water into the
heater.
•
Never use solvents, gasoline, toluene and similar aggressive chemicals to clean
the heater.
Regularly wipe the enclosure using a soft sponge or cloth. For very dirty parts, use a
sponge 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 have it replaced by a qualified persons only.
Before storing the heater, make sure it is perfectly cool and dry. Cover the unit with a
blanket or tarp and store it in a dry, ventilated plac
The following checks are recommended before every seasonal use:
Nozzle
Carefully unscrew nozzle from nozzle fitting. Blow compressed air through nozzle
orifice to free it from dirt. Replace nozzle if necessary.
Fuel Filters
Clean fuel filters by unscrewing the filter tray (clockwise) Remove the filter cartridge
and wash it with petrol or replace it if necessary. Check seal O-ring and replace it
if necessary. Reassemble the tray (Fig.2). The fuel filter installed on the gear pump
should be cleaned or replaced if necessary by unscrewing cap H (see Fig. 4)
Fig 2.
Whirl disc (extract the burner head)
Clean the whirl disc (Fig.3) using a brush and then
blow compressed air on it. To get good combustion
the air flow openings in the whirl disc should be
perfectly clean and free.
Fig 3.
Ignition Electrodes
(qualified peron only)
Clean, adjust, & if necessary replace
ignition electrode. For electrode gaps see
Fig.5-6 (dimensions in mm)
Fig 5.
Fig 6.
Summary of Contents for IDH2-50IN
Page 12: ...6 WIRING DIAGRAM ...
Page 13: ...7 PARTS BREAKDOWN ...