LAARS MAX 165 (DV) - Installation, Operation and Maintenance Instructions - Manual (Page 22)

Page 22
LAARS Heating Systems
SECTION 6.
Homeowner Information
WARNING
Never use gasoline, waste oil or garbage in your
boiler.
Never try to ignite oil by tossing burning paper or
other material into your boiler.
Never leave combustible materials around
your boiler.
Never tamper with the boiler controls or
burner settings.
6A. Living With Your Boiler
1. Shut down Instructions
a. Switch OFF boiler service switch.
b. Close all manual fuel shutoff valves.
c. If the boiler is going to be off for an extended
period of time and the threat of freezing
exists, drain water from boiler and heating
system.
Caution
Always keep the oil supply valve shut off, if the
burner is shut down for an extended period of
time.
2. Care of shut down boiler and restarting after an
extended shut down
a. Keep area around boiler clean and free of
litter during shut down.
b. Restarting should be done by a qualified
Service Person after inspecting the vent
system and ensuring that the oil supply is not
contaminated or degraded.
Caution
Do not start the burner unless all cleanout doors
are secured in place.
Caution
Never burn garbage or paper in the unit, and
never leave combustible material around it.
3. Boiler Blow-down after draining to prevent
freezing.
a. Open all zone valves or flow checks in the
heating system and ensure that boiler is not
isolated from the heating system.
b. After water has stopped flowing remove the
air vent from the control center at the top of
the boiler and attach an air hose to the open
fitting. Start the flow of air and leave open
until all water stops flowing. Disconnect air
hose.
SECTION 5.
Maintenance and Service
To maintain the boilers high thermal efficiency
and reliable operation, it should be serviced and the
vent system inspected every year by a qualified
service person.
The service should preferably be carried out
directly after the heating season so as to avoid any
unnecessary corrosion.
5A. Boiler
The boiler flue ways may be cleaned by
swinging open front door after disconnecting flexible
air pipe and oil line from burner.
Remove the baffles from the flue gas annulus,
brush out scale deposits with a flexible brush and
remove with a vacuum cleaner. The rear door can
also be taken off if required to gain access for a
complete inspection of the internal flue ways. When
replacing doors ensure that they are fully tightened to
make a gas tight seal.
5B. Oil Burners
Clean combustion head assembly and all air
handling parts. Inspect condition of nozzle and
replace if necessary with a nozzle of the same make
and specification.
Check the electrode settings are in accordance
with the oil burner instructions. Also ensure the high
voltage leads are firmly secured to the ignition
electrodes. Clean all deposits from blower wheel
blades. Clean screen in fuel pump.
5C. Oil Filter
Replace the oil filter cartridge with one of the
same specifications.
5D. Cold Oil
If the oil tank is outside, or a situation exists that
may cause very cold oil to be pumped to the burner, a
nozzle line heater and tiger loop are recommended.