Thermo Pride Oil Furnace (general service and maintenance) User Manual

Page 17

All installations and services must be performed by qualified service personnel.

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

YES

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.