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Troubleshooting:   Burner fails to start.

Source

Procedure

Causes

Correction

Thermostat

Check thermostat settings.

Thermostat in 

OFF 

or 

COOL

Switch to 

HEAT

.

Thermostat is set too low

Turn thermostat to higher tem­
perature.

Safety Overloads

Check burner motor, primary
safety control, & auxiliary limit
switch.

Burner motor overload tripped

Push reset button pump motor.

Primary control tripped on safe­
ty

Reset primary control.

Auxiliary limit switch tripped on
safety

Reset auxiliary limit.

Power

Check furnace disconnect
switch & main disconnect.

Open switch

Close switch.

Blown fuse or tripped circuit
breaker

Replace fuse or reset circuit
breaker.

Thermostat

Touch jumper wire across TR-
TW terminals on primary control.
If burner starts, then fault is in
the thermostat circuit.

Broken or loose thermostat
wires

Repair or replace wires.

Loose thermostat screw con­
nection

Tighten connection.

Dirty thermostat contacts

Clean contacts.

Thermostat not level

Level thermostat.

Faulty thermostat

Replace thermostat.

Open circuit in wiring between
fan relay and oil primary control.

Check wiring between fan relay
and oil primary control.

Cad Cell

Disconnect the flame detector
wires at the primary control. If
the burner starts, fault is in the
detector circuit.

Flame detector leads are
shorted

Separate leads.

Flame detector exposed to light

Seal off false source of light.

short circuit in the flame detec­
tor

Replace detector.

Primary Control

Place trouble light between the
orange and white leads. No light
indicates that no power is going
to the control.

Primary or auxiliary control
switch is open

Check adjustment. Set the
maximum setting.

Jumper terminals; if burner
starts, switch is faulty, replace
control.

Open circuit between discon­
nect switch and limit control

Trace wiring and repair or re­
place it.

Low line voltage or power fail­
ure

Call the power company.

Place trouble light between the
orange and white leads. No light
indicates faulty control.

Failed internal control circuit

Replace the control.

Burner

Place the trouble light between
the orange and white leads to
the burner motor. No light indi­
cates that no power is getting to
the motor.

Blown fuse

Replace the fuse.

Place trouble light between the
black and white leads to the
blower motor. Light indicates
power to the motor and burner
fault.

Binding burner blower wheel

Turn off power and rotate the
blower wheel by hand. If
seized, free the wheel or re­
place the fuel pump.

Seized fuel pump

Failed burner motor

Replace the motor.

Summary of Contents for Elite ELO183DH Series

Page 1: ...ist 1 Unit Dimensions 2 ELO183DH Unit Parts Arrangement 3 Oil Burner Parts Arrangement 3 Requirements 4 Combustion Ventilation Air 5 Installation 7 Adjustments 8 Venting 9 Flue Connections 10 Supply R...

Page 2: ...IEW SIDE VIEW FRONT VIEW FLUE OUTLET 8 203 SUPPLY AIR OPENING HORIZONTAL POSITION DOWNFLOW POSITION OPTIONAL DOWNFLOW COMBUSTIBLE FLOOR BASE OPTIONAL DOWNFLOW ADDITIVE BASE Additive Base Raises Furnac...

Page 3: ...XCHANGER CLEAN OUT PORT ELO183DH Oil Burner Parts Arrangement Figure 2 ESCUTCHEON PLATE MAIN HOUSING HEAT SHIELD BURNER CONTROL with Reset Button OIL DELAY VALVE AIR TUBE WITH ELECTRODE ASSEMBLY AND N...

Page 4: ...the type and construction outlined in section 160 of NFPA No 31 Air for combustion and ventilation must conform to stan dards outlined in section 140 of NFPA No 31 or in Cana da CSA Standard B139 When...

Page 5: ...side for combustion Also exhaust fans ap pliance vents chimneys and fireplaces force additional air that could be used for combustion out of the house Unless outside air is brought into the home for c...

Page 6: ...per 1 000 Btu 293 W per hour of the total input rating of all equipment in the enclosure but not less than 100 square inches 614 5 square centimeters Oil Furnace Air from Outside If air from outside i...

Page 7: ...ELO183DH furnace is shipped from the factory in the horizontal left hand air discharge application Air flow may be reversed to right side discharge or unit may be used as downflow 1 Reversing Airflow...

Page 8: ...odes The burner assembly is attached to the vestibule panel by three nuts Slots are provided in the mounting flange for re moving the burner assembly from the vestibule Loosen the nuts and turn the wh...

Page 9: ...t be smaller than the out let diameter of the vent outlet of the furnace 4 Pipe should be at least 24 gauge galvanized 5 Single wall vent pipe should not run outside or through any unconditioned space...

Page 10: ...and win dows and all doors between the space in which the ap pliances remaining connected to the common venting system are located and other spaces of the building Turn on clothes dryers and any appli...

Page 11: ...is no complete return air duct sys tem a return air connection should be run the same size as the return air opening to a location outside the room containing the furnace 5 Install supply and return a...

Page 12: ...itions require that you use of a two pipe system which consists of a return line that purges the fuel pump of air by returning it to the tank To determine the run and lift for piping refer to table 5...

Page 13: ...it See figure 13 3 Attach the return and inlet pipes Start the burner Air bleeding is automatic NOTE If a faster bleed is necessary open the bleed valve 4 The return pipe must terminate 3 to 4 above t...

Page 14: ...wire WARNING Run 24V Class II wiring only through specified low voltage opening Run line voltage wiring only through specified high voltage opening Do not combine voltage in one opening CAUTION Use c...

Page 15: ...re fuel pump pressure with unit off Attach pressure gauge to pump outlet Turn unit on and check pressure and compare to table 9 Adjust if necessary Temperature Rise Adjustment To measure temperature r...

Page 16: ...rotate the shutter until the desired smoke level is achieved If smoke cannot be reduced to the desired level by moving the air shutter adjust the air band to increase the air To adjust the air band lo...

Page 17: ...f the heat exchanger Then using the hose at tachment vacuum out loose debris 4 Remove the locking screw and cap from the observa tion tube and with the spiral wire brush reach upward toward the rear o...

Page 18: ...ontinue to flow as long as cad cell senses flame D Heat fan on timing 1 to 30 seconds begins When timing is complete the indoor blower is at heat speed and warm air is delivered to the controlled spac...

Page 19: ...ls Burner motor is de energized and oil primary control goes into recycle mode If heat fan off delay is longer than the recycle delay timing the heat fan continues to run through the next trial for ig...

Page 20: ...nect the flame detector wires at the primary control If the burner starts fault is in the detector circuit Flame detector leads are shorted Separate leads Flame detector exposed to light Seal off fals...

Page 21: ...from unit Inspect the nozzle for plugged orifice or carbon build up around orifice Nozzle orifice plugged Replace nozzle with the same size spray angle and spray pattern Nozzle strainer plugged Poor o...

Page 22: ...ter burner fires immedi ately jumper across flame detector termi nals at the pri mary control If burner con tinues to run does not lock out of safety fault may be due to poor fire Inspect fire Unbalan...

Page 23: ...wheel dirty Clean blower wheel Wrong motor rotation Replace motor Restrictions in return or supply air system Correct cause of restriction Power If voltage fluctuates fault is in the power source Rech...

Page 24: ...nger Clean heat exchanger Dirty burner blower wheel Clean burner blower wheel Dirty furnace air filters Clean or replace filter Restricted or closed registers or dampers Readjust registers or damp ers...

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