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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.

Summary of Contents for Eurostove Oslo injection (Type B)

Page 1: ...e 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 Os...

Page 2: ...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 INSPECTI...

Page 3: ... 3 1 OUTVIEW AND SPECIFICATIONS OUTVIEW SRE 156 SRE 166 ...

Page 4: ... 4 SRE 176 SRE 250 SRE 260 ...

Page 5: ... 5 Oslo SRE 701 SRE 702 SRE 703 ...

Page 6: ... 6 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 ...

Page 7: ... 7 SRE 250 SRE 260 Fuel Sub Tank ...

Page 8: ...iation 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 300...

Page 9: ...s 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 BUT...

Page 10: ...ion 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 Instal...

Page 11: ...hamber 4 Draw the Heat Chamber assembly to front side 5 Disconnect the lead wire from the Secondary Flame Rod on the Heat Chamber z MAIN 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 z CABINET 8 Unclamp the lead wires from the Heat Shield Plate for the Removable Fuel Tank 9 Rem...

Page 12: ...isconnecting the Burner Thermistor z BLOWER 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 Mot...

Page 13: ...OPERATION 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 z FRONT 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 z HEAT CHAMBER 2 Remove one 1 screw from the Heat Chamber 3 Draw the Heat Chamber to front side 4 Disc...

Page 14: ... Nuts from the Fuel Nozzle and the Fuel Pump with double wrenches z FUEL NOZZLE 16 Remove the two 2 screws from the Fuel Nozzle CAUTION Care is to be taken not to lose the Gasket z BURNER 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 ...

Page 15: ...wer Switch Circuit Board SRE 250 z GRILLE 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 z FRONT 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...

Page 16: ...Hold Main Circuit Board when disconnect wire 16 Pinching the head of PCB support with pliers and remove the Main Circuit Board z TRANSFORMER 17 Remove one 1 screw of the Transformer and remove it z TIP OVER SWITCH 18 Disconnect the connector of Tip over Switch remove one 1 screw and disassemble it z IGNITER 19 Remove two 2 screws from the Igniter Cover 20 Remove the Igniter by securely holding its...

Page 17: ...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 z FUEL 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 z D...

Page 18: ...Panel z CABINET 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...

Page 19: ...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 z FUEL 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 F...

Page 20: ... are special z FLOAT 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 z REFLECTOR ASSEMBLY 35 Remove seven 7 screws of front side and six 6 screws of rear side and pull up the Reflector assembly z HIGH LIMIT SWITCH 36 Disconnect two 2 terminals on the side o...

Page 21: ...l IC Transformer Igniter Circulation Fan Motor Blower Motor Fuel Pump Operation Circuit Board Main Circuit Board SRE 166 BL GN YL WT BN BL YL OR RD BN WT BL GY BK BL YL RD RD WT BL GN BK OR BL YL GY Flame Rod Operation Switch Ground High Limit Switch Tip over Switch Fuel Level Sensor Room Thermistor Burner Thermistor Hall IC Transformer Power source Igniter Circulation Fan Motor Blower Motor Fuel ...

Page 22: ...or with adhesive and tightly screw them in Since the lead wire is thin and easy breakable sufficient care is to be given not to twist it when reassembling the Burner Thermistor CAUTION High temperature Thermistors which vary their standard resistance are used for the Burner Thermistor depending on the application Be sure when replacing the Thermistor which suits the model of the Burner or the Heat...

Page 23: ...ater is shipped The Air Flow Regulating Damper has been screw locked which adjustment is made for a level of lower than 800 meters If the Heater is used at a higher level than 800 meters the Damper needs to be adjusted z Insufficient air flow may cause combustion vibrations or soot while an excessive air flow may cause to fail combustion Model Level lower than 800m Higher level SRE 156 SRE 166 38 ...

Page 24: ... adhesive which plays an important role of preventing oscillated combustion z The Burner Mat is normally made of a silica cloth having a thermal resistance of 1000 C which is not breakable under normal using condition If replacing the Burner Mat first completely remove the Mat itself and adhesive by using a sand paper and apply adhesive between the base and the new Burner Mat See page 27 for the d...

Page 25: ...wo problems is found replace the Blower Motor If an abnormal noise is still generated check to see if there is any other cause than above CAUTION The Air Flow Regulating Damper is provided at the Air Filter Base in order that the Heater can be used in a level of above 800 to 1300 m z Disassembling of the Blower Motor is to be done in the following procedure SRE 156 SRE 166 1 Remove the nuts from t...

Page 26: ... 26 SRE 260 1 Remove the nut from the Air Intake Fan CAUTION The nut is of the counterclockwise screw 2 Remove the two 2 screws from the Blower Motor ...

Page 27: ...166 Type A B SRE 156 Type A B Oslo Type A B SRE 701 Type A B SRE 702 Type A B SRE 703 Type A B LCR 660 17186624 SRE 260 Type A B Black coating on Burner Bottom SRE 185 Black coating on Burner Bottom 17188914 SRE 186 Type A B Black coating on Burner Bottom SRE 250 Type A Black coating on Burner Bottom The Position of Burner Mat and Burner Mat Adhesive 27 ...

Page 28: ...185 17188920 W 1 5mm SRE 186 B S Type A H 1 4mm 17158220 W 1 2mm LCB 230 SRE 147 SRE 165 SRE 710 B S Type A B H 0 5mm SRE 166 B S Type A B 17188220 W 0mm SRE 156 B G Type A B Oslo Type A B SRE 701 Type A B SRE 702 Type A B SRE 703 Type A B 17154220 H 0 7mm LCR 6B SRE 151 H 0 5mm SRE 810 Type A B 17188120 W 0mm SRE 175 SRE 176 B G Type A B The Position of Primary Flame Rod 28 ...

Page 29: ...Part No Primary Flame Rod Position Models H 3 0mm SRE 250 Type A 17190920 W 1 5mm W is a distance to Burner Ring 29 ...

Page 30: ...ure for preservation Ambient relative humidity 1 SCOPE 2 CONDITIONS 3 1 3 1 1 3 1 2 3 1 3 3 1 4 3 1 5 3 2 3 3 Before ignition 7 A After ignition 2 A 0 5 A 0 3 A 0 3 A 0 4 A Rated output Igniter Fuel Pump Blower Motor Circulation Fan Motor Deodorizing Pump SRE 250 Time Chart See page 31 49 Specification See page 50 72 3 PERFORMANCE PRODUCT MODEL NAME MODEL NUMBER OF MAIN CIRCUIT BOARD SRE 156 SRE 1...

Page 31: ...0m 10m 10m T16 Refueling warning interval 120s 120s 120s T18 Combustion change 30s 60s 60s T23 Blower motor lock or low rotation 5s 5s 5s T24 Fuel pump delay timing 3s 5s 5s T25 Blower motor delay timing 3s 5s 5s T26 5 seconds buzzer 5s 5s 5s T27 Blower motor post purge 2 90s max 150s max 150s max or 4s min or 10s min or 10s min T28 Blower motor pre purge activation timing 5s 5s 5s T30 Lost flame ...

Page 32: ... 77 kΩ BTH 100 kΩ SRE 156 166 SRE 176 T18 T28 T24 T9 T25 T27 3 4 3 2 1 3 3 4 3 2 1 5 T31 T1 T6 T5 2 3 3 1 BTH 100 kΩ 2 BTH 20 kΩ 1 Operation Switch Timer Switch Tip over Switch High Limit Switch Fueling Primary Flame Rod Secondary Flame Rod Room Thermistor Burner Thermistor Operation Lamp Timer Lamp Fuel Lamp Ventilation Lamp Timer Clock Lamp Igniter Fuel Pump Blower Motor Circulation Fan Motor Bu...

Page 33: ...mp Blower Motor Fuel Pump 4 High 3 Med High 2 Med 1 Low 5 Full 4 High 3 Med High 2 Med 1 Med Low 3 High 2 Med 1 Low Circulation Fan Motor Blower Motor Operation Switch Timer Switch Tip over Switch High Limit Switch Fueling Primary Flame Rod Secondary Flame Rod Room Thermistor Burner Thermistor Operation Lamp Timer Lamp Fuel Lamp Ventilation Lamp Timer Clock Lamp Igniter Fuel Pump Blower Motor Circ...

Page 34: ... BTH 950 kΩ SRE 156 166 SRE 176 Fuel Pump 4 High 3 Med High 2 Med 1 Low 5 Full 4 High 3 Med High 2 Med 1 Med Low 3 High 2 Med 1 Low Circulation Fan Motor Blower Motor Operation Switch Timer Switch Tip over Switch High Limit Switch Fueling Primary Flame Rod Secondary Flame Rod Room Thermistor Burner Thermistor Operation Lamp Timer Lamp Fuel Lamp Ventilation Lamp Timer Clock Lamp Igniter Fuel Pump B...

Page 35: ... Med High 2 Med 1 Med Low 5 Full 4 High 3 Med High 2 Med 1 Med Low 3 High 2 Med 1 Low Circulation Fan Motor Blower Motor Operation Switch Timer Switch Tip over Switch High Limit Switch Fueling Primary Flame Rod Secondary Flame Rod Room Thermistor Burner Thermistor Operation Lamp Timer Lamp Fuel Lamp Ventilation Lamp Timer Clock Lamp Igniter Fuel Pump Blower Motor Circulation Fan Motor Buzzer Displ...

Page 36: ... 3 Med High 2 Med 1 Med Low 5 Full 4 High 3 Med High 2 Med 1 Med Low 3 High 2 Med 1 Low Circulation Fan Motor Blower Motor Operation Switch Timer Switch Tip over Switch High Limit Switch Fueling Primary Flame Rod Secondary Flame Rod Room Thermistor Burner Thermistor Operation Lamp Timer Lamp Fuel Lamp Ventilation Lamp Timer Clock Lamp Igniter Fuel Pump Blower Motor Circulation Fan Motor Buzzer Dis...

Page 37: ...ed High 2 Med 1 Med Low Blower Motor 3 High 2 Med 1 Low Circulation Fan Motor Operation Switch Timer Switch Tip over Switch High Limit Switch Fueling Primary Flame Rod Secondary Flame Rod Room Thermistor Burner Thermistor Operation Lamp Timer Lamp Fuel Lamp Ventilation Lamp Timer Clock Lamp Igniter Fuel Pump Blower Motor Circulation Fan Motor Buzzer Display 1 77 kΩ BTH 100 kΩ SRE 176 100 kΩ 2 BTH ...

Page 38: ...Med Low 5 Full 4 High 3 Med High 2 Med 1 Med Low L Low 4 High 3 Med High 2 Med 1 Med Low Circulation Fan Motor Blower Motor T12 3 1 2 Note This time chart will vary according to set condition Operation Switch Timer Switch Tip over Switch High Limit Switch Fueling Primary Flame Rod Room Thermistor Burner Thermistor Operation Lamp Timer Lamp Fuel Lamp Ventilation Lamp Timer Clock Lamp Igniter Deodor...

Page 39: ...l 4 High 3 Med High 2 Med 1 Med Low L Low 4 High 3 Med High 2 Med 1 Med Low Circulation Fan Motor Blower Motor Operation Switch Timer Switch Tip over Switch High Limit Switch Fueling Primary Flame Rod Room Thermistor Burner Thermistor Operation Lamp Timer Lamp Fuel Lamp Ventilation Lamp Timer Clock Lamp Igniter Deodorizing Pump Blower Motor Circulation Fan Motor Buzzer Display Fuel Pump Note This ...

Page 40: ...1 Med Low L Low 4 High 3 Med High 2 Med 1 Med Low Circulation Fan Motor Blower Motor Operation Switch Timer Switch Tip over Switch High Limit Switch Fueling Primary Flame Rod Room Thermistor Burner Thermistor Operation Lamp Timer Lamp Fuel Lamp Ventilation Lamp Timer Clock Lamp Igniter Deodorizing Pump Blower Motor Circulation Fan Motor Buzzer Display Fuel Pump Note This time chart will vary accor...

Page 41: ...l 4 High 3 Med High 2 Med 1 Med Low L Low 4 High 3 Med High 2 Med 1 Med Low Circulation Fan Motor Blower Motor Operation Switch Timer Switch Tip over Switch High Limit Switch Fueling Primary Flame Rod Room Thermistor Burner Thermistor Operation Lamp Timer Lamp Fuel Lamp Ventilation Lamp Timer Clock Lamp Igniter Deodorizing Pump Blower Motor Circulation Fan Motor Buzzer Display Fuel Pump OFF RTH 32...

Page 42: ...ed 1 Med Low L Low 4 High 3 Med High 2 Med 1 Med Low Circulation Fan Motor Memory the register value of Burner Thermister after T13 The safety device is activated Blower Motor No Detect Operation Switch Timer Switch Tip over Switch High Limit Switch Fueling Primary Flame Rod Room Thermistor Burner Thermistor Operation Lamp Timer Lamp Fuel Lamp Ventilation Lamp Timer Clock Lamp Igniter Deodorizing ...

Page 43: ... Med High 2 Med 1 Med Low 5 Full 4 High 3 Med High 2 Med 1 Med Low L Low Blower Motor 4 High 3 Med High 2 Med 1 Med Low Circulation Fan Motor Operation Switch Timer Switch Tip over Switch High Limit Switch Fueling Primary Flame Rod Room Thermistor Burner Thermistor Operation Lamp Timer Lamp Fuel Lamp Ventilation Lamp Timer Clock Lamp Igniter Deodorizing Pump Blower Motor Circulation Fan Motor Buzz...

Page 44: ... 2 C RTH 1 77 kΩ BTH 100 kΩ T18 T28 T24 T9 T25 T27 2 4 3 2 1 2 2 4 3 2 1 5 T31 T1 T6 T5 2 3 3 1 BTH 450 kΩ Operation Switch Timer Switch Tip over Switch High Limit Switch Fueling Primary Flame Rod Secondary Flame Rod Room Thermistor Burner Thermistor Operation Lamp Timer Lamp Fuel Lamp Ventilation Lamp Timer Clock Lamp Igniter Fuel Pump Blower Motor Circulation Fan Motor Buzzer Display T12 T45 NOT...

Page 45: ...4 High 3 Med High 2 Med 1 Low 5 Full 4 High 3 Med High 2 Med 1 Med Low 3 High 2 Med 1 Low Circulation Fan Motor Blower Motor Operation Switch Timer Switch Tip over Switch High Limit Switch Fueling Primary Flame Rod Secondary Flame Rod Room Thermistor Burner Thermistor Operation Lamp Timer Lamp Fuel Lamp Ventilation Lamp Timer Clock Lamp Igniter Fuel Pump Blower Motor Circulation Fan Motor Buzzer D...

Page 46: ...High 3 Med High 2 Med 1 Low 5 Full 4 High 3 Med High 2 Med 1 Med Low 3 High 2 Med 1 Low Circulation Fan Motor Blower Motor Operation Switch Timer Switch Tip over Switch High Limit Switch Fueling Primary Flame Rod Secondary Flame Rod Room Thermistor Burner Thermistor Operation Lamp Timer Lamp Fuel Lamp Ventilation Lamp Timer Clock Lamp Igniter Fuel Pump Blower Motor Circulation Fan Motor Buzzer Dis...

Page 47: ...h 2 Med 1 Med Low 5 Full 4 High 3 Med High 2 Med 1 Med Low 3 High 2 Med 1 Low Circulation Fan Motor Blower Motor Operation Switch Timer Switch Tip over Switch High Limit Switch Fueling Primary Flame Rod Secondary Flame Rod Room Thermistor Burner Thermistor Operation Lamp Timer Lamp Fuel Lamp Ventilation Lamp Timer Clock Lamp Igniter Fuel Pump Blower Motor Circulation Fan Motor Buzzer Display No De...

Page 48: ...mp 4 High 3 Med High 2 Med 1 Med Low 5 Full 4 High 3 Med High 2 Med 1 Med Low 3 High 2 Med 1 Low Circulation Fan Motor Blower Motor Operation Switch Timer Switch Tip over Switch High Limit Switch Fueling Primary Flame Rod Secondary Flame Rod Room Thermistor Burner Thermistor Operation Lamp Timer Lamp Fuel Lamp Ventilation Lamp Timer Clock Lamp Igniter Fuel Pump Blower Motor Circulation Fan Motor B...

Page 49: ... Med High 2 Med 1 Med Low Blower Motor 3 High 2 Med 1 Low Circulation Fan Motor Operation Switch Timer Switch Tip over Switch High Limit Switch Fueling Primary Flame Rod Secondary Flame Rod Room Thermistor Burner Thermistor Operation Lamp Timer Lamp Fuel Lamp Ventilation Lamp Timer Clock Lamp Igniter Fuel Pump Blower Motor Circulation Fan Motor Buzzer Display 1 77 kΩ BTH 100 kΩ BTH 450 kΩ NOTE Thi...

Page 50: ...150 10 sec 180 10 sec 10 2 sec 13 2 sec 50 4 sec 150 10 sec 150 10 sec forced Med burning timing Remarks Burner Thermistor Pre heat shorted resistance See 3 3 4 1 Room Thermistor 6 C See 3 3 3 6 Burner Thermistor Pre heat shorted resistance See 3 3 4 1 Room Thermistor 6 C See 3 3 3 6 At ignition of timer operation However at pre heat timing 2 and 3 when Burner Thermistor after pre heat timing 1 do...

Page 51: ...0 sec 10 2 sec 30 3 sec 150 10 sec 20 min 80 sec 10 2 sec 10min 60sec 120 9 sec 60 5 sec 5 2 sec 5 2 sec 5 2 sec 5 2 sec 150 10 sec 10 2 sec Remarks No Blower Motor post purge is available before Fuel Pump is turned on The Blower Motor is at full rotation until initial timing When Power Button is turned on and after T13 timing Burner Thermistor starts to detect However when it is in continuous ope...

Page 52: ...0 5 sec Min 660 60sec Max 300 20 sec 5 min 20 sec 30 3 sec 30 3 sec 3 2 sec Remarks When pre heat timing ends at T1 and when Main Circuit Board is started by Burner Thermistor When pre heat timing ends at T2 and T3 however when timing is P3 after forced Med High Burning forced Med burning SRE 250 T9 or is changed to P2 it is T31 Timing at which no ventilation is performed if timing is changed by H...

Page 53: ...c 3 2 sec 30 3 sec 15 2 sec 20 80 sec 2 hrs 6 min 30 3 sec 5 min 20 sec 2 1 sec 30 3 sec 15 2 sec 20 min 80sec 2 hrs 6 min 30 3 sec 5 min 20 sec 2 1 sec Remarks Med High burning timing after Fuel Pump is on Blower Motor delay T25 Time from when Main Circuit Board starts to extinguish the flame to the time when Deodorizing Pump is turned on Time from when Main Circuit Board passes T25 to the time w...

Page 54: ...ected at T7 E 2 is displayed If detected current is less than 0 3 µA at T7 to T35 E 2 is also displayed After T35 Additional High burning High burning Med High burning Med burning Med Low burning Low burning Unless flame current detection of the following items meets condition E 6 is displayed At the condition of detected current 0 6 µA or more If it is detected more than 2 sec at timing of T9 3 3...

Page 55: ...RE 250 22 2 4 C 2 3 C 11 51 1 32 kΩ 1 21 kΩ SRE 260 570 640 kΩ 220 kΩ SRE 156 SRE 166 540 350 kΩ 250 kΩ SRE 176 540 350 kΩ 250 kΩ SRE 250 590 620 kΩ 210 kΩ SRE 260 6 0 2 2 C 25 50 3 06 kΩ 2 77 kΩ SRE 156 SRE 166 6 7 1 8 C 24 54 2 43 kΩ 2 20 kΩ SRE 176 6 7 1 8 C 24 54 2 43 kΩ 2 20 kΩ SRE 250 5 4 2 2 C 26 32 3 23 kΩ 2 80 kΩ SRE 260 Refer to figure on the right Low burning control Set temperature 28 ...

Page 56: ...it Board enters Additional High burning operation 1 Room temperature is less than 10 C 2 Set temperature is 5 C higher than room temperature 3 Main Circuit Board does not perform Additional High burning after starting operation including Save Mode ignition operation including safety ignition or it passes Additional High burning timing T39 after Additional High burning operation is finished however...

Page 57: ...roken wire detection Specifications SRE 156 SRE 166 20 3 0 kΩ 0 33 0 16 kΩ 85 12 kΩ 900 125 kΩ 20 3 0 kΩ SRE 176 SRE 250 SRE 260 100 14 kΩ 1 77 0 43 kΩ 100 14 kΩ 950 126 kΩ 100 14 kΩ 100 14 kΩ 1 77 0 43 kΩ 200 30 kΩ 950 126 kΩ 100 14 kΩ 450 78 kΩ 1 77 0 43 kΩ 100 14 kΩ 950 126 kΩ 450 78 kΩ 15 1 7 kΩ Remarks If value of Burner Thermistor is insufficient initial resistance at insufficient initial pr...

Page 58: ...56 R Partial pressure resistance for CPU read Burner Thermistor Bth20 Resistance kΩ of Burner Thermistor after 20 min at T13 Bth Resistance kΩ of present Burner Thermistor Rth20 Resistance kΩ of Room Thermistor after 20 min at T13 Rth Resistance kΩ of present Room Thermistor Rrth Partial pressure resistance for CPU read Room Thermistor SRE 156 SRE 166 SRE 176 SRE 250 Z BTH20 RTH RTH20 B 4 C D LSB ...

Page 59: ... LSB during 20 min burning T13 D Correction values LSB during present burning according to the following table SRE 260 Z BTH20 RTH RTH20 B 4 60 RTH D LSB B Correction values LSB during 20 min burning T13 High Burning BTH20 20 Med burning BTH20 40 Low and Med Low burning 0 D Correction values LSB during present burning according to the following table Universal regardless of models BTH Z 5 LSB Vent...

Page 60: ...ed on timer and current time is not set Stop Flashing Current time and timer s time setting enabled Lighting Current time timer s time error code displayed 3 3 6 11 Operation Flashing Lighting Displays set temperature and room temperature and displays remaining burning time during low fuel E 0 Overheat protection device activates F 0 Recovery from power failure RAM check backup power is dead E 1 B...

Page 61: ... 16 20 12 75 kΩ 15 42 12 11 kΩ 14 68 11 50 kΩ 13 97 10 90 kΩ 13 28 10 33 kΩ 12 62 9 78 kΩ 11 98 9 24 kΩ 11 36 8 72 kΩ 10 76 8 22 kΩ 10 18 7 73 kΩ 9 63 7 26 kΩ 9 09 6 80 kΩ 8 56 6 36 kΩ 8 06 5 93 kΩ 7 57 5 51 kΩ 29 67 kΩ 34 32 28 29 kΩ 32 68 26 97 kΩ 31 13 25 73 kΩ 29 67 24 55 kΩ 28 29 23 42 kΩ 26 97 22 35 kΩ 25 73 21 32 kΩ 24 55 20 35 kΩ 23 42 19 41 kΩ 22 35 18 52 kΩ 21 32 17 66 kΩ 20 35 16 84 kΩ ...

Page 62: ...kΩ 15 96 12 53 kΩ 15 19 11 89 kΩ 14 45 11 28 kΩ 13 74 10 69 kΩ 13 05 10 11 kΩ 12 39 9 56 kΩ 11 75 9 02 kΩ 11 13 8 50 kΩ 10 54 8 00 kΩ 9 96 7 51 kΩ 9 40 7 04 kΩ 8 86 6 58 kΩ 8 34 6 14 kΩ 7 83 5 70 kΩ 0 1 2 2 C or less 0 9 2 2 C 1 8 2 2 C 2 7 2 2 C 3 6 2 2 C 4 5 2 2 C 5 4 2 2 C 6 3 2 2 C 7 2 2 2 C 8 1 2 2 C 9 0 2 2 C 9 9 2 2 C 10 8 2 3 C 2 2 11 7 2 4 C 2 2 12 7 2 3 C 13 6 2 4 C 2 3 14 6 2 4 C 2 3 15...

Page 63: ...mer Lamp flashes While Timer Lamp is flashing 10 sec timer setting can be changed After 10 sec Clock Lamp and Timer Lamp go on and timer will be in standby During stop 4 If current time and timer are not set Timer Button will not operate 5 If current time is already set and timer is not set Information Display bar indication is on colon lamp turns on and Timer Lamp flashes If UP or DOWN Button is ...

Page 64: ...an one sec to fast forward the clock If time is not set when this button is pressed the setting will become 0 00 buzzer sounds only once when this button is held down When Refueling Remaining time displayed Starts Fuelling Extension Operation Refuel Extension Operation Please refer to 3 3 9 5 When Error message displayed Displays the time when the unit stopped by error Press this button more than ...

Page 65: ...ulation Fan Motor half wave control setting Additional High burning setting except SRE 250 and SRE 260 Ventilation safe mode setting can or cannot be used by TJ10 O With element X Without element Low burning setting can or cannot be used by TJ4 O With element X Without element Circulation Fan Motor half wave control setting can or cannot be used by RX2 resistance The following BMP1 and BMP2 settin...

Page 66: ...of refueling extension time is 6 times If the refueling countdown is indicated as 10 extension time is 6 x 10 60 If the refueling countdown is indicated as 5 extension time is 6 x 5 30 The warning buzzer for refueling turns on every two min after the countdown reaches to 10 min The countdown during refueling extension is also counted during pre heat If refueling extension setting is enabled while ...

Page 67: ...Compliant O Open 13 k X X X Z O X BMP 0 O X O 5 times Compliant O Open 13 k Item Test Item Specifications Remarks Refueling extension time setting Model setting Each model setting Primary Flame indication function Burning mode indication function Refueling extension time setting can be done by TJ8 6 times Multiply 6 by refueling extension time 5 times Multiply 5 by refueling extension time O W ith...

Page 68: ...ower Button is off up to nine previous error codes will be flashed in order The Clock Indication Lamp and Colon lamp are off XE or XF X 1 9 XE ventilation is in bar indication When no error previously occurred E Example 1E 0 2F 1 Stop for refueling is not indicated When UP and DOWN Buttons are pressed together for 10 sec while the heater is in operation the indication is changed For BTH BTH20 and ...

Page 69: ...lame is extinguished Power Button OFF safety flame extinguish timer waiting power saving flame extinguish and 20 min pass by if the resistance of a Burner Thermistor is less than the following values this function is enabled by Blower Motor P4 rotation and fan motor full rotation In addition when the resistance is the following values or more it is disabled This applies to the following cases If t...

Page 70: ...d it will be performed in accordance with burning change safety Connecting Power plug while pushing Timer Switch to ON position Check mode starts Procedure 1 Connecting Power plug pushing Timer Button to ON position 2 Buzzer All the lamps light on for 5 sec 3 It checks Switch contact during 5 sec it starts Check mode after item 4 if more than one pulse are entered from all the tact switches If con...

Page 71: ...e At this moment It extinguishes displaying H as defect if the value of FL A A D is more than Lost flame detection of P4 Next it operates setting BM rpm to Check mode 2 as below illustration 00 displays if E 6 displays before Check point 1 to extinguish PASSED It extinguishes L as a defect if it does not extinguish at the following extinguish point The buzzer C keeps on buzzing H and L extinguish ...

Page 72: ... refueling count time In the other situations the function is cancelled Ensured backup time should be 10 min 1 Average temperature of Main Circuit Board substrate used for one decade 40 C temperature near the backup capacitor 2 Availability of Main Circuit Board s substrate for one decade 25 3 Temperature range when using Main Circuit Board substrate 25 to 55 C temperature near the Backup Capacito...

Page 73: ...is normally ON contact If the curtain plugs the Air Filter the High Limit Switch is actuated to stop the operation of the Heater This stop operation is not a miss operation but a normal operation If this happens carefully check the installing place of the Heater Check the place where the trouble occurred The trouble of an erroneous operation may be caused by the direct sunbeams to which the Heater...

Page 74: ...ater is extinguished Soldered are in the transfer part of the Main Circuit Board is broken Soldering is to be sufficiently given to the Main Circuit Board Re press the Power Switch for ignition E 1 is displayed and the Heater is extinguished Displayed at the same time of ignition Room thermistor or the terminal is disconnected Explanation 1 Part replacement or correction ...

Page 75: ...on the side of Main Circuit Board which voltage must be AC 230V Explanation 3 If the resistance of the Burner Thermistor is more than 950 kΩ after Forced Burning timing and yellow or white colored flames are at more than 900 kΩ or if the Burner Thermistor temperature is lower than approximately 160 C F 1 will be displayed to stop the operation If the Burner Thermistor is broken or the terminal is ...

Page 76: ... the two of the blue green yellow and white lead wires their connection must be wrong Explanation 5 Measure the output of the output terminal for Fuel Pump DC 24V is outputted between the yellow and the orange lead wires after preheating has been completed Explanation 6 If a silicon compound split hair coating liquid or a hair treatment solution is used in the room while being heated by kerosene f...

Page 77: ...stopped in a similar way to that without flames if the connector of the Flame Rod is not connected securely The Flame Rod is securely fixed to the Burner after making sure that the Flame Rod is provided with the Gasket properly See page 28 for the details by model E 5 DISPLAY CAUTION No overhauling of the Tip over Switch is permitted E 5 is displayed and the heater is extinguished The Tip over Swi...

Page 78: ...ower part of the Combustion Chamber 8 4 to 9 4 mmH2O for SRE 156 SRE 166 and 9 6 to 10 8 mmH2O for SRE 176 and 8 0 to 9 0 mm H2O for SRE 250 and 4 0 to 4 6 mmH2O for SRE 260 When using the simple procedure adjust the draft pressure within the range shown in the left drawing which allows blue flames Model Lower than 800m level High altitude SRE 156 166 38 5mm Totally enclosed Totally opened SRE 176...

Page 79: ...g is inclined on the three pins unless being installed in position Emissions are caused if the Ring is not in position Explanation 6 If the Burner Mat is removed or deformed an oil stagnation may be caused which may instantaneously generates an excessive fuel flow with a whistle sound as seen with a new Burner If this occurs adjust the position of the Burner Mat in such a manner that it closely to...

Page 80: ...ee the Explanation 4 of E 2 Display Explanation 3 Even if the Circulation Fan Motor is slightly inclined it touches the blower case and therefore becomes unable to rotate This inclination is caused by loose screw E 8 is displayed and the heater is extinguished Blower Motor shows an extraordinary high revolution Explanation 1 Main Circuit Board failure Wiring failure Part replacement Blower Motor m...

Page 81: ... easily breakable sufficient care is to be taken not to twist it The reference resistances of the Burner Thermistor are shown in the following table Since this thermistor is different by a model use that which suits the model Temperature Color of Lead Wire 250 C 300 C Orange 58 kΩ 25 kΩ Blue 70 kΩ 31 5 kΩ White or Yellow 8 kΩ 3 34 kΩ E 9 is displayed and the Heater is extinguished Excessive Air Sa...

Page 82: ...ever not easy to remove the odor Explanation 2 A slightly loosened screw could cause an oil leak with an odor Make sure that all the screws of the fuel piping are fastened securely Refasten the screws if necessary Explanation 3 The defective Gasket for Fuel Nozzle which is shown as the shaded part in the left figure may cause an odor with oil smears If so replace the Nozzle and the Gasket together...

Page 83: ...m the Main Circuit Board and check the resistance by Tester Replace the Blower Motor if the resistance is not 15 30 Ω at a room temperature of 23 C If the Motor is not defective the Main Circuit Board is considered to be defective Measure the output voltage on the side of the Main Circuit Board for this check Turn all the lamps off to extinguish The Plug has not been connected to the receptacle Se...

Page 84: ...he display as shown in Graph 1 The relationships between flame current and decimal display are shown in Table 1 for flame currents in the forced burning timing approximately 2 min and 30 sec and in Table 2 for those after the forced burning timing What is LSB Least Significance Bit How to calculate Digital display Flame Current LSB values 2nd row x 16 1st row Example Digital Display 4A 4 x 16 10 7...

Page 85: ...forced burning Upper LSB 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Lower μA 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 9 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 3 0 2 5 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 2 3 2 2 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 2 1 2 0 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 2nd 1st 1 9 1 8 0 5 C B 96 97 98 99 100 101 102 103 104 105 ...

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