Газовый котел bosch gaz 2000 w инструкция

Данная инструкция на русском языке предназначена для отопительного котла
Bosch GAZ 2000 W, описывает принцип работы и основные моменты эксплуатации устройства.

Производитель настойчиво рекомендует перед включением отопительного котла
внимательно изучить настоящую инструкцию.

Инструкция для отопительного котла
представлена в формате PDF. Все современные браузеры уже поддерживают данный формат и сложностей с открытием файла возникнуть не должно.

Но если открыть инструкцию все же не удается, то необходимо установить на компьютер программу для чтения PDF файлов, например, Acrobat Reader. Если у вас возникли сложности с открытием инструкции на смартфоне под управлением Android, нужно установить, например, Adobe Acrobat Reader.

1. Manuals
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3. Bosch Manuals
4. Boiler
5. Condens 2000 W
6. Service manual

• Page 1
  Condens 2000 W Service Manual ZWB24 — 1AR…

• Page 2: Table Of Contents

  2 | Content Content Safety precautions and symbols Safety precautions Symbols Service Function Adjustment Service Function Overview Service Function 2.2.1 1. Service Level 2.2.2 2. Service Level Failures / Errors Elimination of errrors Failure / Error Codes Overview Failure codes and corrections steps Sensor (NTC) Values 3.4.1 Flow Temperature Sensor 3.4.2 Domestic Hot Water Temperature Sensor…

• Page 3: Safety Precautions And Symbols

  Safety precautions and symbols | 3 Safety precautions and symbols Safety precautions Symbols Safety instructions in this document are identi- If you smell gas fied by a warning-triangle symbol and are print- B Turn off gas service cook. ed on a grey background. B Open windows.

• Page 4: Service Function Adjustment

  4 | Service Function Adjustment Service Function Adjustment Service Function Service functions are in divided in 2 level : • 1. Level (see page 4) • 2. Level (see page 5) 6 720 644 501-07.1O Fig. 1 Stand by (On/off) Button „Up (+)“…

• Page 5: Service Level

  Service Function Adjustment | 5 2.2.2 2. Service Level B Press button again (for entering).. After that you will see the selected (default) value on Dis- Operating play. Change or query of a service function : Changing / Adjustment of Value: B To enter to 2.

• Page 6: Failures / Errors

  6 | Failures / Errors Failures / Errors Elimination of errrors All regulation, control and safety equipment of appliance is controlled by the control unit. Danger: Explosion ! B If any failure during operation occurs, symbol and B Turn off gas cock before working on gas- maybe will start to flash also.

• Page 7: Failure / Error Codes Overview

  Failures / Errors | 7 Failure / Error Codes Overview Failure Code on Display Failure Descripton Steps MAP not selected (Fan speed adjustment accord- Check the adjustment /selection via service function ing the flue pipe length). 2.b.d). Combustion chamber NTC failure (behind burner) : Check the and the heat exchanger surface, whether is when the temperature by CC NTC reached to limit blocked or not.

• Page 8: Failure Codes And Corrections Steps

  8 | Failures / Errors Failure codes and corrections steps and operating LED is flashing Combustion chamber NTC failure (behind burner) : when the temperature by CC NTC reached to limit Control Step Action B Check the cable connection. Check if combustion chamber NTC dam- yes: aged or not and the position.

• Page 9
  Failures / Errors | 9 and operating LED is flashing Combustion chamber NTC failure (behind burner) : when the temperature by CC NTC reached to limit Control Step Action Check the burner gas pressure. Are the yes: B Correct the gas pressure values. If not possible, values OK ? change the gas valve.
• Page 10
  10 | Failures / Errors and operating LED is flashing Combustion chamber NTC failure (behind burner) : when NTC not detected or open circuit Control Step Action Check if combustion chamber NTC dam- yes: B Check the cable connection. aged or not and the position. A6 failure still exist ? —>2.
• Page 11
  Failures / Errors | 11 and operating LED is flashing DHW (Domestic Hot Water) NTC not installed correctly or defect. The appliance doesn’ t run in summer mode. It works in winter mode and shows the failure code with alternately. Control Step Action Check the DHW NTC whether it is correct…
• Page 12
  12 | Failures / Errors B3 / d5 and operating LED is flashing Short circuit / failure in water level switch in recuperator (condens heat exchanger). Control Step Action Check the siphon line. yes: B Remove the blockage. B Switch on the appliance. Is there any blockage ? B3 / d5 failure still exist? —>2 —>2.
• Page 13
  Failures / Errors | 13 CE / d4 and operating LED is flashing A fast temperature increase detected in central heating (CH) (> 2,7 K/sec). The appliances will be resetet automaticly, if the flow temp. < 40 ºC. Control Step Action B Check system pressure on manome- yes:…
• Page 14
  14 | Failures / Errors and operating LED is flashing. Fan sensor not detected. ( This failure only occurs if there is a sensor or the cable physical defect) Control Step Action B Switch off the appliance. Is th fan cables damaged ? yes: B Change the cables.
• Page 15
  Failures / Errors | 15 and operating LED is flashing Target fan speed can not reached or blockage problem. Control Step Action Is the flue gas pipe blocked ? —>2. B Switch off the appliance. yes: B Clean the flue gas pipe. B Switch on the appliance.
• Page 16
  16 | Failures / Errors and operating LED is flashing. Appliance doesn’t modulate / Regulator valve problem (don’t regulate to max. position). Control Step Action Check if the regulator valve cable dam- yes: B Change the cable harness or correct it. aged or not and the connection.
• Page 17
  Failures / Errors | 17 and operating LED is flashing. Overheat lock-out by temperatur limiters (2 x STB : Flue gas + prim. Heatexchanger). In this case ; Heat demands is blocked and pump stops 3 minutes later. Control Step Action Is the system pressure between 1 — 2 yes:…
• Page 18
  18 | Failures / Errors and operating LED is flashing. Overheat lock-out by temperatur limiters (2 x STB : Flue gas + prim. Heatexchanger). In this case ; Heat demands is blocked and pump stops 3 minutes later. Control Step Action B Switch off the appliance.
• Page 19
  Failures / Errors | 19 and operating LED is flashing Ignition lock-out (flame not detected) (pump is running) Control Step Action Dose the burner flame can be seen? yes: —>6. —>2. Gas inlet cock open? yes: —>3. B Open the gas inlet cock. B Press RESET button and restart again.
• Page 20
  20 | Failures / Errors and operating LED is flashing Ignition lock-out (flame not detected) (pump is running) Control Step Action B Connect the cables. Is the gas valve working ? yes: B Switch off the appliance. B Switch on the appliance. B Pull out the gas valve cables.
• Page 21
  21 | Failures / Errors and operating LED is flashing Ignition lock-out (flame not detected) (pump is running) Control Step Action B Switch off the appliance. Check ignition electrode for damage and yes: oxidation ? B Change the ignition cable. B Switch on the appliance.
• Page 22
  22 | Failures / Errors and operating LED is flashing. Central heating flow temperature sensor failure (pump is running). Control Step Action Check if CH flow temperature sensor yes: B Check the connection terminal on NTC. (NTC) is damaged or not ? E2 failure still exist ? —>2.
• Page 23
  Failures / Errors | 23 and operating LED is flashing. After switching off gas flame detected (even the safety valves are closed (leakege)) Control Step Action Gas valve is defect. B Switch off the appliance. B Change the gas valve. B Switch on the appliance.
• Page 24
  24 | Failures / Errors is flashing. MAP not selected (Fan speed adjustment according the flue pipe length) Attention : The appliance is delivered with MAP value “0” (service function : 2.b.d). In this condition the appliance doesn’t run. The “I I” symbol will be shown on display alternately. Control Step Action B Adjust the MAP value via service fonction 2.b.d.

• Page 25: Sensor (Ntc) Values

  Failures / Errors | 25 Sensor (NTC) Values 3.4.3 Flue Gas Safety Temperature Sensor ( Behind Burner) 3.4.1 Flow Temperature Sensor Temperature (°C) Temperature (°C) Measure Tolerance ±%10 Resistance (Ω) Measure Tolerance ±%10 Resistance (Ω) 27 936 14 772 12 136 11 981 5 774 9 786…

• Page 26: Electrical Datas

  26 | Failures / Errors Electrical Datas Description Supply Voltage Value Tolerance Remarks Termperature Limiter 24 VDC 0 Ohm Temp. Limit = 110 ºC Pramiary HE Termperature Limiter 24 VDC 0 Ohm Temp. Limit = 100 ºC (Recuperator-Flue gas) DHW Temp. Sensor (NTC) 5 VDC 20 ºC =>…

• Page 27: Electrical Circuit Diagram

  Failures / Errors | 27 Electrical Circuit Diagram 6 720 644 501 04 1O Fig. 2 Legends : Controller (room thermostat) connection Diagnostic connection Igniton transformer Flue gas temperature limiter (STB) (Recuperator) Supply cable Water level switch DHW temperature sensor (NTC) Ionisation electrode Gas valve Pump…

• Page 28: Structure

  28 | Failures / Errors Structure res et 6 720 644 501-03.1O…

• Page 29
  Failures / Errors | 29 Fig. 3 Key to Figures : Expansion vessel Flue gas temperature limiter (STB) Condesing-Heat Exchanger (Recuperator) Air vent valve (manuel) Water level switch (Condensate backup sensor) Combustion chamber Distribution pipe (Inj. nozzle) Ionisation electrode Safety valve (heating circuit) Autom.

• Page 30: Function Diagram

  30 | Failures / Errors Function Diagram Fig. 4 Control Unit (Cotronic 3) CH safety valve Water filling valve Siphon By-pass pipe Turbine DHW temperatur sensor DHW water flow rate limiter + Filter Flow temperature sensor Manometer Temperatur limiter Gas valve Combustion chamber (flue gas safety) sensor Siphon (trichtersiphon) (ops.) Ionisation electrode…

• Page 31: Gas Values (Ch And Dhw)

  Gas Values (CH and DHW) | 31 Gas Values (CH and DHW) Burner Pressure Gas Flow Rate (mbar) (l/min.) (kg/h) Gas Type Wobbe index 15°C, 1013 mbar (kWh/m³) 14,1 24,3 Net calorific value 15°C, H (kWh/m³) 10,5 34,9 Display Output (kW ) 13,0 16,9 10,7…