ICP FLO115DABR-C, Инструкция по установке и руководство по уходу

Страница: 11 / 30

PART 3
MAINTENANCE
3.1) GENERAL
Preventive Maintenance
“Preventive maintenance” is the best way to avoid unnecessary
expense and inconvenience. Have your heating system and
burner inspected at regular intervals by a qualified service
technician.
After each annual inspection a complete combustion test must be
performed, in order to maintain optimum performance and reliability.
12
WARNING
Electrical shock hazard.
Turn OFF power to furnace before any disassembly
or servicing.
Failure to do so can result in property damage
injury and/or death.
Do not tamper with the unit or controls. Call a qualified service
technician.
Before calling for service, check the following :
a. Check oil tank gauge and check if the oil tank valve in oil 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 a
qualified service technician.
When ordering replacement parts, specify the complete furnace
model number and serial number.
3.1.1) 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 performed:
1.
Turn “OFF” all utilities upstream of the furnace;
2. Disconnect the flue pipe;
3. Remove the flue collar panel located at the rear part of the warm
air furnace;
4. Remove the radiator baffles;
5. Disconnect the oil line and remove the oil burner from the
furnace;
6. Clean the secondary tubes, and the primary cylinder with a stiff
brush and vacuum cleaner;
7. The heat exchanger and combustion chamber should be
inspected to determine if replacement is required before
re-assembling the unit;
8. After cleaning, replace the radiator baffles, flue collar plate and
oil burner;
9. 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
contaminated condition.
3.1.2) Refractory firepot
Remove the burner and check the firepot.
IMPORTANT
Use extreme care if cleaning of the pot is required. After
firing, the pot becomes very fragile. Do not use any
commercially available soot remover. This furnace has
a fibre type refractory combustion chamber. Normal
servicing of this unit does not require cleaning of the
combustion chamber.
IMPORTANT
Do not vacuum the ceramic chambers—they are easily
damaged.
If the pot is damaged, it must be replaced. A damaged pot could lead
to premature heat exchanger failure. Cracking of the firepot is normal,
however, replace the pot only if the cracks have propagated more
than
⅔
the way through the wall thickness. The average wall
thickness of the firepot is ¾".
Flooding of the firepot
Flooding can occur when the oil primary control has been reset a
number of times in a no-heat situation. Each time oil is fired into the
pot and does not ignite, it is absorbed into the pot. Even if the burner is
removed and the pot is felt for wetness, it is difficult to assess the
degree of oil absorption by the pot.
There is only one way to properly service a flooded firepot, and that is
to change it.
CAUTION
If you observe the red warning light on the burner, push
once ONLY to try and restart. If the burner will not start,
phone an authorized service technician. Do not press
the button again.
445 01 4054 06