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4.1
CLEANING THE HEAT EXCHANGER
It is not generally necessary to clean the heat exchanger or
flue pipe every year, but it is advisable to have the oil burner
service technician check the unit before each heating season
to determine whether the cleaning or replacement of parts is
necessary.
If a cleaning is necessary, the following steps should be
performed:
1.
Turn OFF all utilities upstream from the furnace;
2.
Disconnect the flue pipe;
3.
Remove the flue collar panel located at the rear of the
furnace;
4.
Remove the clean-out door located at the front of the
furnace;
5.
Remove the heat exchanger baffles;
6.
Disconnect the oil line and remove the oil burner;
7.
Clean the secondary tubes and the primary cylinder with a
stiff brush and a vacuum cleaner;
8.
Before re-assembling the unit, the heat exchanger and
combustion chamber should be inspected to determine if
replacement is required;
9.
After the cleaning replace the heat exchanger baffles, flue
collar plate and oil burner;
10. Readjust the burner for proper operation.
4.2
CLEANING THE BLOCKED VENT
SHUT-OFF DEVICE (BVSO)
For continuous safe operation, the Blocked Vent Shut-off device
(BVSO) must be inspected and maintained annually by a
qualified service technician.
1.
Disconnect power to the appliance;
2.
Remove the two screws holding on the BVSO assembly
cover;
3.
Remove the cover;
4.
Remove the two screws holding the control box to the heat
transfer tube assembly. Sliding the control box in the
appropriate direction will unlock it from the heat transfer
tube assembly;
5.
Carefully remove any build-up from the thermal switch
surface;
CAUTION
Do not dent or scratch the surface of the thermal switch. If the
thermal switch is damaged it MUST be replaced.
6.
Clean and remove any build-up or obstruction inside the
heat transfer tube;
7.
Re-mount, lock and fasten the control box with the 2 screws
removed in step 4;
8.
Re-attach the assembly cover with the screws removed in
step 2;
9.
Re-establish power to the unit.
4.3
CLEANING OF THE BURNER HEAD
Once annually, remove the retention head and electrodes
from the drawer assembly and remove all foreign matter, if
necessary. Also clean the extremity of the burner tube, if
necessary.
4.4
REPLACING THE NOZZLE
Replace the nozzle once a year with the one specified in
Table 7, p. 13.
4.5
REPLACING THE OIL FILTER
Tank Filter
The tank filter should be replaced as required. Follow the
manufacturer's instructions.
Secondary Filter
The 10 micron, or finer, filter cartridge should be replaced
annually. Follow the manufacturer's instructions.
4.6
REPLACING THE AIR FILTER
Dirty filters have an impact on the efficiency of the furnace
and increase fuel consumption.
Air filters should be replaced at least once a year. Very
dusty conditions, the presence of animal hair and the like
will require more frequent changing or cleaning.
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