Blower Removal - ICP NOMF105D12A Installation Instructions And Owner's Manual

Do not tamper with the unit or controls. Call your service
technician,
Before calling for service, check the following.
a. Check oil tank gauge and check if the oil tank valve is open.
b. Check fuse or circuit breaker.
c. Check if shut-off switch is 'ON".
d. Reset thermostat above room temperature.
e. If ignition does not occur turn off the disconnect switch and call
your qualified service technician.
When ordering replacement parts, specify the complete furnace
model number and serial number.
1.1) Heat exchanger cleaning:
Ordinarily, it is not necessary to clean the heat exchanger or flue pipe
every year, but it is advisable to have your oil burner serviceman
check the unit before each heating season to determine whether
cleaning or replacement of parts is necessary.
If cleaning is necessary, the following steps should be perfomed:
1. Turn 'OFF" atl utilities upstream of the furnace.
2. Disconnect the flue pipe.
3. Remove the flue cellar panel located in the front part of the warm
air furnace.
4. Remove the radiator baffles.
5. Disconnect the oil Iine and remove the oil burner from the
furnace.
6. Clean the secondary tubes, and the primary cylinder with stiff
brush and vacuum cleaner.
7. After cleaning, replace the radiator baffles, flue collar plate and
oil burner.
8. Readjust burner for proper operation.
Soot will have collected in the first sections of the heat exchangers
only if the burner was started after the combustion chamber was
flooded with fuel oil, or if the burner has been operating in a severely
fouled condition.
1.2) BLOWER REMOVAL
To remove the blower from the furnace:
1. Turn 'OFF" all utilities upstream of the furnace.
2. Remove the burner access door and blower door.
3. Remove the blower retaining screw (on the blower rails).
4. Remove cover from control box and disconnect the thermostat
and power wires from the board.
5. Slide the blower forward on the rails toward the front of the unit.
6. Reverse the above steps to reinstall the blower. (Refer to
wiring diagram figures # 4 a 4.1 of this instruction or the
diagram located on the inside of the blower door to properly
rewire the unit.)
CAUTION
Be sure the blower is adequately supported when
sliding out of the mounting rails, especially in the
horizontal, in order to prevent dropping the blower and
injuring yourself or damaging the blower!
To remove the blower from the furnace:
1. Turn 'OFF" all utilities upstream of the furnace.
2. Remove the burner access door and blower door.
3. Remove the blower retaining screw (on the blower partition
panel).
4. Remove cover from control box and disconnect the thermostat
and power wires from the board.
5. Slide the blower forward on the rails toward the front of the unit.
6. Reverse the above steps to reinstall the blower. (Refer to
wiring diagram figures # 4 a 4.1 of this instruction or the
diagram located on the inside of the blower door to properly
rewire the unit.)
1.3) Burner drawer assembly:
Remove the drawer assembly. Clean all foreign matter from the
retention head and electrodes. If a Beckett AFG burner has been
installed, the burner will have to be removed to check the retention
head and to check for proper "Z" dimension with the Beckett "T" gauge
supplied with every burner. Check for any sign of oil boiling out d the
nozzle and caulking - the solenoid valve could be leaking (if
applicable).
1.4) Nozzle:
Replace the nozzle with the one specified in table # 3.
1.5) Oil filter:
Tank filter:
The tank filter should be replaced as required.
Secondary filter:
The 10 micron (or less) filter cartridges should be replaced annually.
1.6) Air filters:
Air filters are the disposable types. The disposable filters should be
replaced on at least an annual basis. Dusty conditions, presence of
animat hair etc. may demand much more frequent filter changes. Dirty
filters will impact furnace efficiency and increase oil consumption.
1.7) Motor lubrication:
Do not lubricate the oil burner motor or the direct drive blower motor
as they are permanently lubricated.
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