Zibro Kamin SRE 166 (Type B) User manual

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SERVICE MANUAL
WICKLESS TYPE KEROSENE HEATER
(2000 Models)
MODEL: Zibro Kamin SRE 156 (Type B)
Zibro Kamin SRE 166 (Type B)
Zibro Kamin SRE 176 (Type B)
Zibro Kamin SRE 250 (Type A)
Zibro Kamin SRE 260 (Type B)
Eurostove Oslo injection (Type B)
Webber SRE 701 injection (Type B)
Stover SRE 702 injection (Type B)
Tectro SRE 703 injection (Type B)
NOTE 1: All the model names in this SERVICE MANUAL are abridged.
(ex. SRE 156 (Type B) →SRE 156)
NOTE 2: All the functions and specifications of Model Oslo, SRE 701, SRE 702 and SRE
703 are same as SRE 156 except the design. Please refer to the items of SRE
156 if you would like to know the contents of Model Oslo, SRE 701, SRE 702 and
SRE 703.

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CONTENTS
1. OUTVIEW AND SPECIFICATIONS.………………..……………………………………..3
Outview……………………………………………….……………………………….………3
Structual Illustration………………………………………………………….………………6
Burning System and Specifications…………………………………….……………..….. 8
2. HOW TO USE……………………………………………………………………………… 9
3. ERROR MESSAGE………………………………………………………………………..10
4. OVERHAULING PROCEDURE…………………………………………………….…… 11
SRE 156, SRE 166, Oslo, SRE 701, SRE 702, SRE 703……….……………………. 11
SRE 176…………………………………………………….……………….………………13
SRE 250…………………………………………………….……………………………….15
SRE 260……………………………………………………………………………………..18
5. ADJUSTING AND MAINTENANCE………………………………….…………………..21
1. Main Circuit Board………………………………………………….…………………21
2. Igniter………………………………………………………………….………………. 22
3. Burner Thermistor…………………………………………………..…………………22
4. Fuel Pump………………………………………………………….…………………. 22
5. Transformer…………………………………………………………..………………..23
6. Air Flow Regulating Damper……………………………………….……………….. 23
7. Assembly of Burner Ring and Burner……………………………….………………24
8. Burner Mat…………………………………………………………….……………….24
9. High Limit Switch…………………………………………………….………………..24
10. Blower Motor and Air Intake Fan………………………………….…………………25
The Position of Burner Mat and Burner Mat Adhesive…………………………….…..27
The Position of Primary Flame Rod……………………………………………….…….28
6. MAIN CIRCUIT BOARD SPECIFICATION……………………………………….…….. 30
1. SCOPE ………………………………………………….……………………………. 30
2. CONDITIONS………………………………………………………………………… 30
3. PERFORMANCE…………………………………………………………………….. 30
1. RATED OUTPUT………………………………………………………………..30
2. TIME CHART………………………………………….……………………….. 31
SRE 156, SRE 166, SRE 176…………………………………………………32
SRE 250………………….………………………………………………………38
SRE 260………………….………………………………………………………44
3. SPECIFICATION…………………………………………………….………….50
7. INSPECTION AND REPAIR……………………………………….…………………….. 73
E-0 Display…………………………………………………………………….……………73
F-0, E-1 Display……………………………………………………………….……………74
F-1 Display…………………………………………………………………….…………….75
E-2 Display………………………………………………………………….………………76
E-5 Display………………………………………………………………………………….77
E-6 Display…………………………………………………………………………….……78
E-7, E-8 Display……………………………………………………………………….……80
E-9 Display, Bar Display Illumination………………………………………………..……81
Other Phenomena………………………………………………………………….………82
8. FLAME CURRENT DISPLAY ………………………………………………….…………84

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1. OUTVIEW AND SPECIFICATIONS
OUTVIEW
SRE 156
SRE 166

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SRE 176
SRE 250, SRE 260

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Oslo, SRE 701, SRE 702, SRE 703

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SRE 156, SRE 166
Transformer
Float Switch (SRE 156)
Fuel Level Sensor (SRE 166)
Fuel Sub Tank
Blower
Motor Case
STRUCTUAL ILLUSTRATION
SRE 176
Fuel Level Sensor
Fuel Sub Tank

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SRE 250
SRE 260
Fuel Sub Tank

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BURNING SYSTEM
(1) When the Power Switch is pressed, the Igniter is electrically generated to preheat
the Burner Bottom. The completion time of preheating is detected by electric timer,
of which standard time is approximately 90 sec. at a room temperature of 15 °C,
provided that it is approximately 180 sec. if the room temperature is lower than 6 °C.
In the case of the shortest time (for instance, when re-igniting shortly after
extinguishing burning), a shorter time of approximately 40 sec. is obtainable.
(2) Upon the completion of preheating, the combustion air is sent into the Burner, while
the fuel is sent from the Fuel Nozzle, at the same time. The fuel is instantaneously
evaporated and immediately ignited with the Igniter which has been red-heated at a
temperature of higher than 900 °C.
(3) After ignition, “Med-High” burning continues for approximately 40 sec., to raise the
temperature of the Burner, after which burning is automatically controlled for the
burning sequence of “High ↔Med-High ↔Med. ↔Med.-Low ↔Low. The Igniter
becomes off while the heater is in burning operation. The Burner bottom maintains a
high temperature burning of higher than 300 °C by receiving a high radiation heat
from the Burner Ring.
(4) When the Power Switch is pressed again, the burning will cease in around 5 sec.
The Circulation Fan will run for approximately 90 sec. and then stop automatically.
SPECIFICATIONS
Model SRE 156 SRE 166 SRE 176 SRE 250 SRE 260 Oslo, SRE 701,
SRE 702, SRE 703
Type Forced draft, unvented, pot type kerosene heater (forced convection type)
Ignition Electric
Fuel Kerosene
High 3000 W 3100 W 3700 W 4850 W 6000 W 3000 W
Heating
Power Low 800 W 800 W 1050 W 1450 W 2450 W 800 W
Fuel Max.
(High) 0.313 l/h 0.323 l/h 0.385 l/h 0.505 l/h 0.625 l/h 0.313 l/h
Consumption Min.
(Low) 0.083 l/h 0.083 l/h 0.109 l/h 0.151 l/h 0.235 l/h 0.083 l/h
Fuel Tank Capacity Max. 5.4 lit. Max. 7.6 lit. Max. 7.6 lit. Max. 5.1 lit. Max. 7.1 lit. Max. 4.0 lit.
Burning Time 17-65 hrs. 23.5-91 hrs. 20-70 hrs. 10.5–35hrs. 11-28 hrs. 13-47 hrs.
Exterior Dimensions W
(mm) 405 435 550 588 704 374
(including drip tray) D
(mm) 295 315 322 320 355 280
H
(mm) 435 437 445 485 560 430
Weight 10 kg 11 kg 12 kg 15 kg 21 kg 9.5 kg
Voltage and Frequency 230V (50Hz)
Power Max. 980 W (A short time in the initial period of ignition)
Consumption Burning 32 W 32 W 28 W 38 W 44 W 32 W
Current Fuse 4 A
Safety Device Tip-over Switch
Ignition Safety Device
Burning Control Device
Safety Device for Power Outage
High Limit Switch (Overheat Protector)
Incomplete Combustion Preventive Device (Flame Rod, Burner Thermistor)

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M EJI
H
CB
F
DA
2. HOW TO USE
SRE 250, SRE 260 Oslo, SRE 701, SRE 702, SRE 703
A. TEMP., CLOCK, AND TIMER INDICATION LAMPS BY DIGITAL INDICATOR
B. DIGITAL INDICATOR
a. Set Temp. :A set temperature is selective between 6 °C - 28 °C.
b. Room Temp. : Displays a room temperature of 0 °C to 32 °C.
c. Current Time
d. Start Time
e. Remaining Burning Time for Fuel Empty: Displays the remaining burning time 10 to 1
min. Displays “-- --“ when heater shut off.
f. Automatic Extinguishment: Displays error code E-0 to E-9, F-0 and F-1 of malfunctions,
by self-diagnosis function.
C. TIMER LAMP
Lit: Waiting for timer operation
D. VENT LAMP (ventilation lamp)
Flashes (Stop operation): The indoor air is short of oxygen.
zDO NOT always rely on the VENT lamp, but open the window or the door once or
twice an hour for natural ventilation.
E. POWER BUTTON
zPress to “ON” position
zOne more press to “OFF” position.
Flashes: Preheating, Lit: Operating
F. FUEL LAMP
Lit: The FUEL Lamp lights up 10 minutes before the removable fuel tank runs out of the
fuel, when the buzzer starts buzzing and the remaining burning time is displayed on
the digital indicator.
Flashes (Stop operation): The fuel runs out and heater shuts off automatically.
G. SAVE LAMP (except models OSLO, SRE 701, SRE 702 and SRE 703)
Lit: Save mode operation is in use.
H. KEY-LOCK LAMP
Lit: The Key-Lock is in operation.
I. ROOM TEMP/TIME SETTING BUTTON
Set the desired room temperature and the current time.
zSet Room Temperature.: The desired room temperature can be set by pressing the “8
HOUR ” or “9MIN” buttons.
zSet Clock: Set the current time by pressing the “8HOUR”or“9MIN” buttons.
J. TIMER BUTTON
The timer operation starts.
K. SAVE BUTTON (except models Oslo, SRE 701, SRE 702 and SRE 703)
Set or release the save mode operation.
L. EXTENSION BUTTON (SRE 176)
By pressing this button, the remaining heating time will be extended for 60 min.
M. KEY-LOCK BUTTON
When the KEY-LOCK button is pressed more than 3 sec., the childproof lock has been
activated.
SRE 176
M
H
SRE 156, SRE166
H
M
 #
SET ROOM
CLOCK
TEMP
TIMER
KEY-LOCK
TIMER
SAVESAVE
FUEL
VENT
HOUR MIN
UP DOWN
ON OFF
POWER
A
BE
M
H
I
J
K
C
G
F
D

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3. ERROR MESSAGE (E-X or F-X)
Error Code Main Failure Causes Related Part Main Checking Items Other Checking Items
E-0 The internal temperature of the heater has
been overheated. High Limit Switch To be continuity at room temperature. Circulation Fan Cover, Circulation Fan, pluggedAir Duct, stained Louvers, Circulation Fan Motor with lack
of rotation, Fuel Pump with an excessive fuel flow.
F-0 Electrical power has been restored after an
extinguishment by electrical power failure. Main Circuit Board Appropriate electric conductance must be provided when the heater “ON” and “OFF”. Power failure recovered, or cracked solder on the Main Circuit Board.
E-1 Room Thermistor malfunction. Room Thermistor Resistance should exist (8 – 35 kΩ)
F-1 Burner Thermistor malfunction.
Burner has been lack of preheating. Burner Thermistor Resistance should exist (several MΩto 5 kΩ) Igniter (black coated: 40 – 49 Ωat normal temperature)
E-2 Re-ignition has been given immediately after
extinguishment.
Primary Flame Rod current was low at
ignition.
Primary Flame Rod
(Ignition safety device) Electric current to be more than 0.3 µAwithin 40 sec. after ignition. Fuel Pump with small fuel flow rate, plugged Fuel Pump Strainer, Transformer voltage is low, Flame Rod
and/or Burner Ring whitened, leak, plugged Air Filter.
E-5 Tip-over Switch has been actuated. Tip-over Switch Electric conductance to exist at ordinary
operation. Check on the installed conditions (inclination and/or vibration)
E-6 Primary Flame Rod current has been low in
combustion. Primary Flame Rod (Incomplete combustion
preventive device)
Current to be more than 2 µA in 2 min. and 30
sec. after ignition. Plugged Fuel Pump Strainer, plugged Air Filter, Flame Rod and/or Burner Ring whitened, removed /
deformed burner mat.
E-7 Room temperature exceeds 32 °C. Room Thermistor Resistance should exist (8 – 35 kΩ) Installing place of the heater (direct sunbeams,
distance between the rear side of the heater and the
wall)
E-8 Blower Motor malfunction. Hall IC Output voltage to be approx. DC 2.5 V in
operation. Blower Motor
E-9 Secondary Flame Rod current with an
excessive airflow has been low. Secondary Flame Rod (Ignition safety device) Current to be more than 0.3 µA within 2 minutes and 30 sec. after ignition. Fuel Pump with small fuel flow rate, plugged Fuel Pump Strainer, Flame Rod and/or Burner Ring
whitened, Blower Motor with abnormal rotation,
plugged Air Filter
-- -- *Care must be taken, since there is
also be a normal condition.
Ventilation
(VENT) Lamp The bottom of the burner has been cooled off. Burner Thermistor 3 – 20 kΩin 20 min. after ignition. Installing place of the heater (abnormal pass of cold air)
Fuel Lamp Out of fuel. Float Switch or Fuel Level
Sensor Switch changes over by fuel level. Plugged Fuel Tank Cap and/or Fuel Acceptance Fitting (fuel condition, configuration)
All Lamps Off Fuse open. Fuse for electric current Receptor to be of AC 230 V. Blower Motor, Circulation Fan Motor, Surge Absorber
on the Main Circuit Board
All Lamps Off
(This is normal) Stand-by position - If display returns back after press of any buttons (except Operation Switch) -

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4. OVERHAULING PROCEDURE
CAUTION Be sure to unplug the heater and allow the heater cool completely before
overhauling. Before removing the screws from the components which are
subjected to burning, use penetrating oil and allow at least 10 min. for it to
work.
SRE 156, SRE 166, Oslo, SRE 701, SRE 702, SRE 703
zFRONT PANEL:
(1) Remove four (4) screws (SRE 156, 166) or three (3) screws (Oslo, SRE 701, SRE
702, SRE 703) from the Top Plate and disconnect the three (3) lead wires from the
Main Circuit Board.
CAUTION This work must be given by firmly holding the Circuit Board Base.
(2) Shift the Front Panel from lower to upper and disengage its claws from the Cabinet.
CAUTION When reassembling these parts, insert the left claw of the Front Panel first
and then assemble the right side.
zHEAT CHAMBER:
(3) Remove one (1) screw from the Heat Chamber.
(4) Draw the Heat Chamber assembly to front side.
(5) Disconnect the lead wire from the Secondary Flame Rod on the Heat Chamber.
zMAIN CIRCUIT BOARD:
(6) Disconnect the lead wires from the Main Circuit Board.
(7) Pinching the six (6) heads of PCB support with the radio pliers and remove the Main
Circuit Board.
zCABINET:
(8) Unclamp the lead wires from the Heat Shield Plate for the Removable Fuel Tank.
(9) Remove the Air Filter from the rear side of the Cabinet.
(10) Remove three (3) screws from both front side and rear side and then remove the
Cabinet by pulling straight upward.
zBURNER RING:
(11) Remove the Burner Ring by carefully pulling its assembly upward and turning
counterclockwise.
zBURNER MAT:
(12) The Burner Mat is adhered to the burner bottom with adhesive. When replacing the
Burner Mat, closely adhere it to the burner bottom with Burner Mat Adhesive in the
same way.
zIGNITER:
(13) Remove two (2) screws from the Igniter Cover.
(14) Remove the Igniter by securely holding and turning its ceramic part with large size
pliers.

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zFUEL PIPE:
(15) Remove the Fuel Pipes by releasing the flare nuts from the Fuel Nozzle and the Fuel
Pump with double wrenches.
CAUTION Remove the Fuel Pipe from the Fuel Nozzle side first in order to prevent
fuel spillage into the Burner.
zFUEL NOZZLE:
(16) Remove two (2) screws from the Fuel Nozzle.
CAUTION Do not lose the Fuel Nozzle Gasket.
zPRIMARY FLAME ROD:
(17) Remove two (2) screws from the Primary Flame Rod.
CAUTION Do not break the Gasket for the Primary Flame Rod.
CAUTION Do not change the direction of the Primary Flame Rod, when reassemble it.
Refer to “The Position of Primary Flame Rod” on page 28.
zFUEL PUMP:
(18) Remove two (2) screws from the Fuel Pump.
zBURNER THERMISTOR:
(19) Remove the Thermistor bushing from the Air Duct.
(20) Remove one (1) screw from the Burner and one (1) screw of earth lead wire to raise
Burner.
(21) Remove the Burner Thermistor with wrenches.
CAUTION Do not twist the lead wires when disconnecting the Burner Thermistor.
zBLOWER MOTOR:
(22) Disassemble the Blower Motor Case by removing five (5) screws.
CAUTION Do not mix these screws with other screws, since they are especially used
for the plastic parts.
(23) Remove the Blower Motor Base and the Blower Motor assembly.
CAUTION When reassembling the Blower Motor Case and the Blower Motor Base, be
sure to pass the lead wires of the Blower Motor through the recessed
portion of the Blower Motor Base, which may otherwise cause the Blower
Motor lead wires to be shorted or burner pressure to rise excessively.
zFLOAT SWITCH (SRE 156, Oslo, SRE 701, SRE 702, SRE 703):
(24) Remove the Float Switch by turning counterclockwise with large size pliers.
CAUTION When reassembling the Float Switch, securely position the Switch so that
it is not caught with the Removable Fuel Tank.
zFUEL LEVEL SENSOR (SRE 166):
(25) Pull out Fuel Level Sensor upward.
zTIP-OVER SWITCH:
(26) Remove one (1) screw from the Tip-over Switch.
zAIR DUCT:
(27) Remove two (2) screws from the Circulation Fan Cover, and remove to pull the filter
at the center portion in such a manner that it is not deformed.

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CAUTION For reassembling the parts, engage the upper and lower ends of the
Circulation Fan Cover with the upper and lower claws of the Cabinet and
secure the parts with the screws at two places.
(28) Remove four (4) screws from the Circulation Fan Motor Bracket and the Cabinet, to
disassemble the Air Duct.
zHIGH LIMIT SWITCH (Overheat Protector):
(29) Take the Air Duct out and remove two (2) screws from the High Limit Switch, which is
attached to the Air Duct.
zCIRCULATION FAN:
(30) Remove four (4) screws from the Circulation Fan Motor bracket, to dismount the
Circulation Fan Motor assembly.
(31) Release one (1) nut (counterclockwise) from the Motor Shaft.
zPOWER SWITCH:
(32) Remove the two (2) screws from the Power Switch Circuit Board.
zOPERATION PANEL BASE:
(33) Disassemble the Operation Panel Base, by disengaging the two claws.
CAUTION Care is to be taken not to damage the lead wires.
SRE 176
zFRONT PANEL:
(1) Remove the two (2) screws from the Louver and shift the Front Panel from lower to
upper and disengage its claws from the Cabinet.
zHEAT CHAMBER:
(2) Remove one (1) screw from the Heat Chamber
(3) Draw the Heat Chamber to front side.
(4) Disconnect the lead wire of the Secondary Flame Rod from the Heat Chamber.
zTOP PANEL:
(5) Remove four (4) screws from Top Plate and disconnect three (3) lead wires from the
Main Circuit Board.
zMAIN CIRCUIT BOARD:
(6) Disconnect the lead wires from the Main Circuit Board.
(7) Pinching the head of the PCB Support with the radio pliers and remove the Main Circuit
Board.
zCABINET:
(8) Remove the Air Filter.
(9) Remove the four (4) screws from the both sides of the front and the rear side of the
Cabinet and next pull the Cabinet straight upward.

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zBURNER RING:
(10)Disassemble the Burner Ring by carefully raising and next turning left.
zBURNER MAT:
(11) The Burner Mat is adhered to the burner bottom with adhesive. When replacing the
Burner Mat, closely adhere it to the burner bottom with Burner Mat Adhesive in the
same way.
zIGNITER:
(12) Remove the two (2) screws from the Igniter.
(13) Remove the Igniter by pinching and turning its ceramic part with the large size pliers.
zPRIMARY FLAME ROD:
(14) Pull off the terminal for Primary Flame Rod and remove the two (2) screws.
CAUTION Do not break the Gasket for the Primary Flame Rod.
CAUTION Do not change the direction of the Primary Flame Rod when reassemble it.
Refer to “The Position of Primary Flame Rod” on page 28.
zFUEL PIPE:
(15) Remove the Fuel Pipes by releasing the Flare Nuts from the Fuel Nozzle and the Fuel
Pump with double wrenches.
zFUEL NOZZLE:
(16) Remove the two (2) screws from the Fuel Nozzle.
CAUTION Care is to be taken not to lose the Gasket.
zBURNER THERMISTOR:
(17) Disengage the Thermistor bushing from the Air Duct or lower part of Heat Chamber.
(18) Remove three (3) screws and raise the Heat Chamber.
(19) Remove the Thermistor with the wrenches.
CAUTION Care is to be taken not to twist the lead wire of the Thermistor, when
removed.
zFUEL PUMP:
(20) Remove the two (2) screws from the Fuel Pump.
zFUEL LEVEL SENSOR:
(21) Pull out Fuel Level Sensor upward.
zTIP-OVER SWITCH:
(22) Remove one (1) screw from the Tip-over Switch.
zTRANSFORMER:
(23) Remove one (1) screw from the Transformer.
zBLOWER MOTOR:
(24) Remove the two (2) screws from the Blower Motor and two (2) screws from the Blower
Motor Base.
(25) Remove the five (5) screws from theAir Intake Fan Case.
(26) Remove one (1) nut (counterclockwise) fromAir Intake Fan.
(27) Remove three (3) screws from Blower Motor Case.

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(28) Remove the two (2) screws from Blower Motor.
CAUTION When assembling the Blower Motor Base, be sure to pass the lead wire of
the Blower Motor through the recess of the Blower Motor Case, which may
otherwise cause the Motor lead wire to be shorted or the Burner pressure
to rise.
zHIGH LIMIT SWITCH:
(29) Remove two (2) screws from the High Limit Switch ofAir Duct.
zAIR DUCT:
(30) Remove theAir Duct from the Cabinet, by disengaging the claws from the Rear Panel.
NOTE: Correct the claws for Cabinet, if deformed.
zCIRCULATION FAN:
(31) Remove the two (2) screws from Fan Cover.
(32) Remove two (2) screws from Circulation Fan Motor Bracket.
(33) Remove three (3) screws from Circulation Fan Motor.
zOPERATION PANEL BASE:
(34) Remove two (2) screws from Operation Panel Base.
zPOWER SWITCH:
(35) Remove two (2) screws from the Power Switch Circuit Board.
SRE 250
zGRILLE:
(1) Remove one (1) screw from lower center of the Grille. Lift the pillars of Grille from the
Reflector. Take the Guard toward you then let down to disassemble the Guard.
zFRONT PANEL:
(2) Remove two (2) screws of the lower part sides of Front Panel. Shift the Front Panel
from lower to upper and disassemble it from the cabinet.
(3) Disconnect three (3) lead wires from Main Circuit Board wiring from Operation Panel
Circuit Board on the Front Panel.
zCABINET:
(4) Disconnect three (3) lead wires of Circulation Fan, Room Thermistor and High Limit
Switch from upper part of Cabinet wiring from Main Circuit Board.
CAUTION Hold Main Circuit Board when disconnect wire.
(5) Remove the Removable Fuel Tank. Remove Air Filter from the side of the Cabinet.
(6) Remove two (2) screws from side and one (1) screw from rear side of the Cabinet.
(7) Remove the Cabinet by pulling straight upward.
zHEAT ELEMENT ASSEMBLY:
(8) Remove two (2) screws from Heat Element Assembly and remove Heat Element
Assembly.

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zGLASS CYLINDER:
(9) Remove one (1) screw of Belt on the Glass Cylinder
zSECONDARY FLAME ROD:
(10) Disconnect red lead wire of Secondary Flame Rod
(11) Remove two (2) screws from Secondary Flame Rod. Disassemble Secondary Flame
Rod pulling toward you.
zBURNER ASSEMBLY:
(12) Disassemble the Flame Lead Ring.
CAUTION Do not put upside-down the Flame Lead Ring when reassemble.
(13) Lift the Burner RingAssembly then disassemble it by turning left.
zBURNER MAT:
(14) The Burner Mat is adhered to the burner bottom with adhesive. When replacing the
Burner Mat, securely put it to the burner bottom with Burner Mat Adhesive in the same
way.
zMAIN CIRCUIT BOARD:
(15) Disconnect the lead wires from the Main Circuit Board. Remove two (2) screws and
remove Controller Base from the Drip Tray.
CAUTION Hold Main Circuit Board when disconnect wire.
(16) Pinching the head of PCB support with pliers and remove the Main Circuit Board.
zTRANSFORMER:
(17) Remove one (1) screw of the Transformer and remove it.
zTIP-OVER SWITCH:
(18) Disconnect the connector of Tip-over Switch, remove one (1) screw and disassemble
it.
zIGNITER:
(19) Remove two (2) screws from the Igniter Cover.
(20) Remove the Igniter by securely holding its ceramic part with large size pliers and
turning it.
zPRIMARY FLAME ROD:
(21) Disconnect blue lead wire and remove two (2) screws from the Primary Flame Rod.
CAUTION Do not break the Gasket for the Primary Flame Rod.
CAUTION Do not change the direction of the Primary Flame Rod when reassemble
it. Refer to “The Position of Primary Flame Rod” on page 28.
zFUEL PIPE:
(22) Remove the Fuel Pipes by releasing the flare nuts from Fuel Nozzle side and Fuel
Pump side with double wrenches.
CAUTION Remove the Fuel Pipe first from the Fuel Nozzle side to prevent fuel
spillage into the Burner.

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zFUEL NOZZLE:
(23) Remove two (2) screws from the Fuel Nozzle.
CAUTION Do not lose the Fuel Nozzle Gasket.
zBURNER THERMISTOR:
(24) Remove three (3) screws and lift the Heat ChamberAssembly.
CAUTION Do not break the Burner Thermistor under the Heat Chamber Assembly.
(25) Disengage the Thermistor bushing from the Heat ChamberAssembly.
(26) Pull out the lead wire from the Heat Chamber Assembly. Remove the Burner
Thermistor with the wrenches.
CAUTION Do not twist the lead wire of the Burner Thermistor when remove it.
zBLOWER MOTOR:
(27) Remove four (4) screws from Blower MotorAssembly and remove the Blower Motor
assembly.
(28) Remove five (5) screws from Blower Motor Case.
(29) RemoveAir Intake Fan and nut (left-screwed)
(30) Remove five (5) screws from Blower Motor Case and remove the Blower Motor Case.
CAUTION When reassembling the Blower Motor Case and the Blower Motor Base,
be sure that the taped-part of the lead wires of the Blower Motor and Hall
IC passes through the recessed portion of the Blower Motor Case.
(31) Remove two (2) screws of Blower Motor.
zFUEL PUMP:
(32) Disassemble the Fuel Pipe with double wrenches. Remove two (2) screws, then pull
up the Fuel Pump slowly.
CAUTION Do not mix these screws with other screws since these screws are
special.
zDEODORIZING PUMP:
(33) Remove the two (2) screws from Deodorizing Pump.
zFLOAT SWITCH:
(34) Remove the Float Switch by turning counterclockwise with large size pliers.
CAUTION When reassembling the Float Switch, securely position the Switch so that
it is not caught with the Removable Fuel Tank.
zCIRCULATION FAN MOTOR:
(35) Remove four (4) screws of the Circulation Fan Cover to dismount it.
(36) Remove four (4) screws of the Circulation Fan Motor.
zREFLECTOR ASSEMBLY:
(37) Remove six (6) screws of front side and four (4) screws of rear side and pull up the
Reflector assembly.
zHIGH LIMIT SWITCH:
(38) Disconnect two (2) terminals on the side ofAir Duct assembly.

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(39) Remove two (2) screws from the High Limit Switch.
zPOWER SWITCH:
(40) Remove two (2) screws of the Power Switch.
zOPERATION PANEL CIRCUIT BOARD:
(41) Remove three (3) screws from the Operation Panel Circuit Board.
(42) Lift the Claws holding the Operation Panel Circuit Board then take the Operation Panel
Circuit Board.
SRE 260
zGRILLE:
(1) Remove one (1) screw from lower center of the Grille. Lift the pillars of Grille from the
Reflector. Take the Guard toward you then let down to disassemble the Guard.
zFRONT PANEL:
(2) Remove two (2) screws of the lower part sides of Front Panel. Shift the Front Panel
from lower to upper and disassemble it from the cabinet.
(3) Disconnect three (3) lead wires from Main Circuit Board wiring from Operation Panel
Circuit Board on the Front Panel.
zCABINET:
(4) Disconnect three (3) lead wires of Circulation Fan, Room Thermistor and High Limit
Switch from upper part of Cabinet wiring from Main Circuit Board.
CAUTION Hold Main Circuit Board when disconnect wire.
(5) Remove the Removable Fuel Tank. Remove Air Filter from the side of the Cabinet.
(6) Remove two (2) screws from side and three (3) screws from rear side of the Cabinet.
(7) Remove the Cabinet by pulling straight upward.
zHEAT ELEMENT ASSEMBLY:
(8) Remove two (2) screws from Heat Element Assembly and remove Heat Element
Assembly.
zGLASS CYLINDER:
(9) Remove one (1) screw of Belt on the Glass Cylinder
zSECONDARY FLAME ROD:
(10) Disconnect red lead wire of Secondary Flame Rod
(11) Remove two (2) screws from Secondary Flame Rod. Disassemble Secondary Flame
Rod pulling toward you.
zBURNER ASSEMBLY:
(12) Disassemble the Flame Lead Ring.
CAUTION Do not put upside-down the Flame Lead Ring when reassemble.
(13) Lift the Burner RingAssembly then disassemble it by turning left.

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zBURNER MAT:
(14) The Burner Mat is adhered to the burner bottom with adhesive. When replacing the
Burner Mat, securely put it to the burner bottom with Burner Mat Adhesive in the same
way.
zMAIN CIRCUIT BOARD:
(15) Disconnect the lead wires from the Main Circuit Board. Remove two (2) screws and
remove Controller Base from the Drip Tray.
CAUTION Hold Main Circuit Board when disconnect wire.
(16) Pinching the head of PCB support with pliers and remove the Main Circuit Board.
zTRANSFORMER:
(17) Remove one (1) screw of the Transformer and remove it.
zTIP-OVER SWITCH:
(18) Disconnect the connector of Tip-over Switch, remove one (1) screw and disassemble
it.
zIGNITER:
(19) Remove two (2) screws from the Igniter Cover.
(20) Remove the Igniter by securely holding its ceramic part with large size pliers and
turning it.
zPRIMARY FLAME ROD:
(21) Disconnect blue lead wire and remove two (2) screws from the Primary Flame Rod.
CAUTION Do not break the Gasket for the Primary Flame Rod.
CAUTION Do not change the direction of the Primary Flame Rod when reassemble
it. Refer to “The Position of Primary Flame Rod” on Page 28.
zFUEL PIPE:
(22) Remove the Fuel Pipes by releasing the flare nuts from Fuel Nozzle side and Fuel
Pump side with double wrenches.
CAUTION Remove the Fuel Pipe first from the Fuel Nozzle side to prevent fuel
spillage into the Burner.
zFUEL NOZZLE:
(23) Remove two (2) screws from the Fuel Nozzle.
CAUTION Do not lose the Fuel Nozzle Gasket.
zBURNER THERMISTOR:
(24) Remove three (3) screws and lift the Heat ChamberAssembly.
CAUTION Do not break the Burner Thermistor under the Heat Chamber Assembly.
(25) Disengage the Thermistor bushing from the Heat Chamber Assembly.
(26) Pull out the lead wire from the Heat Chamber Assembly. Remove the Burner
Thermistor with the wrenches.
CAUTION Do not twist the lead wire of the Burner Thermistor when remove it.
zBLOWER MOTOR:
(27) Remove two (2) nuts from Blower MotorAssembly and remove the Blower Motor
assembly.

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(28) Remove four (4) screws, Joint Pipe and Joint Pipe Gasket.
(29) Remove five (5) screws from Blower Motor Case.
(30) RemoveAir Intake Fan and nut (left-screwed)
(31) Remove seven (7) screws from Blower Motor Case and remove the Blower Motor
Case.
CAUTION When reassembling the Blower Motor Case and the Blower Motor Base,
be sure that the taped-part of the lead wires of the Blower Motor and Hall
IC passes through the recessed portion of the Blower Motor Case.
(32) Remove two (2) screws of Blower Motor.
zFUEL PUMP:
(33) Disassemble the Fuel Pipe with double wrenches. Remove two (2) screws, then pull
up the Fuel Pump slowly.
CAUTION Do not mix these screws with other screws since these screws are
special.
zFLOAT SWITCH:
(34) Remove two (2) screws of the Float Switch and pull it up.
CAUTION When reassembling the Float Switch, securely position the Switch so that
it is not caught with the Removable Fuel Tank.
zREFLECTOR ASSEMBLY:
(35) Remove seven (7) screws of front side and six (6) screws of rear side and pull up the
Reflector assembly.
zHIGH LIMIT SWITCH:
(36) Disconnect two (2) terminals on the side ofAir Duct assembly.
(37) Remove two (2) screws from the High Limit Switch.
zCIRCULATION FAN MOTOR:
(38) Remove four (4) screws of the Circulation Fan Cover to dismount it.
(39) Remove four (4) screws of the Circulation Fan Motor.
zPOWER SWITCH:
(40) Remove two (2) screws of the Power Switch.
zOPERATION PANEL CIRCUIT BOARD:
(41) Remove three (3) screws from the Operation Panel Circuit Board.
(42) Lift the Claws holding the Operation Panel Circuit Board then take the Operation Panel
Circuit Board.