Thermo-pride Oil Furnace (general service and maintenance) Manuel d'utilisateur Page 17

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All installations and services must be performed by qualified service personnel.
15
PROPER COMBUSTION ACHIEVED?
IS THE PROBLEM DELAYED
IGNITION?
IS PUMP PRESSURE SET
ACCORDING TO BURNER
APPLICATION CHART?
IS THERMALLY
ACTIVATED VENT
DAMPER PRESENT?
REMOVE OR REPLACE
WITH AUTOMATIC
DAMPER
IS COMBUSTION SET TO
A TRACE OF SMOKE AND
THEN BACKED OFF 1%?
IS THE NOZZLE
PLUGGING?
IS OVERFIRE DRAFT
- .01 TO - .02 OVERFIRE
REPAIR SYSTEM LEAKS
TO PREVENT FUTURE
PROBLEMS AND MIX
IN PROPER ADDITIVES
TO REMOVE WATER
AND SLUDGE
IS WATER, DIRT, OR
SULGE PRESENT IN
THE SYSTEM?
IS THE BURNER AIR TUBE
INSERTION 0-'1/4"
BACK FROM INSIDE OF
REFRACTORY?
ARE THE ELECTRODES
PROPERLY ALIGNED?
REPLACE
BURNER
NOZZLE
NO
NO
NO
YES
NO
YESYES
NO
YES
NO NO
YES
YES
YES
NO
YES
YES
YES
NO
TRY TO RAISE ROOM & OIL
TEMPERATURE.
IF THIS CANNOT BE DONE DO
THE FOLLOWING:
ADJUST COMBUSTION AIR TO A
TRACE OF SMOKE, THEN TAKE
CO2 OR O2 READING, NEXT
SUBTRACT 1% FROM THE CO2
OR ADD 1% TO O2, THEN
ADJUST AIR ACCORDINGLY.
BRING IN COMBUSTION AIR
FROM ANOTHER ROOM OR
OUTDOORS-INSTALL
INDUCER TO CREATE DRAFT
ARE CHIMNEY AND HEAT
EXCHANGER CLEAN?
ALIGN ELECTRODES PER
BURNER MANUFACTURERS
SPECIFICATIONS
CORRECT INSERTION OR
AIR TUBE BURNOFF MAY
OCCUR.
FOR BECKETT BURNERS,
ADJUST TO 100-120 PSIG
FOR RIELLO 145-170 PSIG
DECREASE NOZZLE SIZE AND
INCREASE PUMP PRESSURE.
CHOOSE SMALLER NOZZLE
SIZE AND PUMP PRESSURE
FROM "EFFECTS OF PRESSURE
ON NOZZLE FLOW RATES" AT
THE END OF THE TROUBLE
SHOOTING SECTION.
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