Zibro Tectro SRE 703 injection - 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.

Summary

Heater Outview and Specifications

Heater Structural Illustrations

Detailed internal component diagrams for SRE 156, SRE 166, SRE 176, SRE 250, SRE 260.

Heater Error Codes and Troubleshooting

Error Code Definitions and Causes

Lists error codes, their causes, related parts, and checking items.

Heater Overhauling Procedures

General Overhauling Steps

Steps for front panel, heat chamber, circuit board, cabinet, burner, mat, and igniter.

Overhauling Steps: Fuel, Pump, Thermistor, Blower Motor

Steps for fuel pipe, nozzle, pump, thermistor, blower motor, switches, and air duct.

Overhauling Steps: Switches, Sensor & Air Duct

Steps for float switch, fuel sensor, tip-over switch, and air duct.

Overhauling Steps: High Limit Switch, Fan & Panel

Steps for high limit switch, fan, power switch, and panel base.

SRE 176 Overhaul: Front Panel, Heat Chamber, Top Panel, Circuit Board, Cabinet

Steps for disassembling SRE 176 front panel, heat chamber, top panel, circuit board, and cabinet.

SRE 176 Overhaul: Burner, Fuel System, Blower Motor

Steps for SRE 176 burner, fuel system, and blower motor disassembly.

SRE 176 Overhaul: High Limit Switch, Air Duct, Fan, Power Switch, Panel

Steps for SRE 176 high limit switch, air duct, fan, power switch, and panel disassembly.

SRE 250 Overhaul: Grille, Front Panel, Cabinet, Heat Element, Glass Cylinder

Steps for SRE 250 grille, front panel, cabinet, heat element, and glass cylinder removal.

SRE 250 Overhaul: Secondary Flame Rod, Burner Assembly, Burner Mat, Circuit Board, Transformer

Steps for SRE 250 secondary flame rod, burner, mat, circuit board, and transformer removal.

SRE 250 Overhaul: Switches, Igniter, Flame Rod, Fuel Pipe

Steps for SRE 250 switch, igniter, flame rod, and fuel pipe disassembly.

SRE 250 Overhaul: Fuel Nozzle, Thermistor, Blower Motor, Fuel Pump, Deodorizing Pump, Float Switch, Fan Motor, Reflector, High Limit Switch

Steps for SRE 250 fuel nozzle, thermistor, pumps, switch, fan motor, reflector, and limit switch removal.

SRE 260 Overhaul: Grille, Front Panel, Cabinet, Heat Element, Glass Cylinder

Steps for SRE 260 grille, front panel, cabinet, heat element, and glass cylinder removal.

SRE 260 Overhaul: Burner Mat, Circuit Board, Transformer, Switches, Igniter, Flame Rod, Fuel Pipe

Steps for SRE 260 mat, board, transformer, switches, igniter, flame rod, and fuel pipe removal.

SRE 260 Overhaul: Fuel Nozzle, Thermistor

Steps for SRE 260 fuel nozzle and burner thermistor removal.

SRE 260 Overhaul: Blower Motor, Fuel Pump, Float Switch, Reflector, High Limit Switch, Fan Motor, Power Switch, Panel Circuit Board

Steps for SRE 260 nozzle, thermistor, pumps, switch, fan motor, reflector, limit switch, power switch, and panel circuit board removal.

Adjusting and Maintenance

Main Circuit Board Wiring Diagrams

Wiring diagrams for the main circuit board of different heater models.

Blower Motor and Air Intake Fan

Blower Motor Disassembly: SRE 156 & SRE 166

Blower Motor Disassembly: SRE 176 & SRE 250

SRE 260 Blower Motor Disassembly

Blower Motor Disassembly: SRE 260

Main Circuit Board Specification

Timing Charts

Specifications

Flame Detector Specifications

Primary Flame Rod Detected Current and Resistance

Secondary Flame Rod Detected Current

Room Thermistor Specifications

Room Thermistor Control Logic

Room Thermistor Burning Control Logic

Additional High Burning Operation Logic

Burner Thermistor Specifications

Burner Thermistor Resistance Specifications

Burner Thermistor Detection Circuit

Ventilation Specifications

Operation Panel Functions

Circulation Fan Motor Control

Inspection and Repair

E-0 DISPLAY: High Limit Switch and Circulation Fan Issues

Explains E-0 error related to high limit switch and circulation fan.

F-0 DISPLAY: Main Circuit Board Issues

Explains F-0 error related to main circuit board soldering.

E-1 DISPLAY: Room Thermistor Issues

Explains E-1 error related to room thermistor connection or failure.

F-1 DISPLAY: Igniter, Burner Thermistor, and Main Circuit Board Issues

Explains F-1 error related to igniter, burner thermistor, or main circuit board.

E-2 DISPLAY: Flame Rod, Transformer, and Fuel Pump Issues

Explains E-2 error related to flame rod, transformer, or fuel pump.

E-5 DISPLAY: Tip-Over Switch Issues

Explains E-5 error related to tip-over switch actuation or failure.

E-6 DISPLAY: Incomplete Combustion and Airflow Issues

Explains E-6 error related to incomplete combustion or airflow problems.

E-6 DISPLAY Explanations 3-8

Provides further explanations for E-6 error causes like altitude, filter, burner ring, burner mat, and fuel pump.

E-7 DISPLAY: Room Temperature Issues

Explains E-7 error related to high room temperature or thermistor issues.

E-8 DISPLAY: Blower Motor Issues

Explains E-8 error related to blower motor revolution or stoppage.

E-9 DISPLAY and Bar Display Illumination Issues

Explains E-9 error, bar display illumination, and related issues.

Troubleshooting Power Supply and Component Issues

Guides through troubleshooting power supply, fuses, fan motor, blower motor, and circuit board.

Flame Current Display

Zibro Tectro SRE 703 injection Specifications

General

Dimensions	466 x 349 x 445 mm
Weight	13.5 kg
Frequency	50 Hz
Thermostat	Yes
Heating Area	28 - 76 m³
Safety Features	Overheat protection, tip-over switch