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Junkers Cerapur 9000i User Manual

Junkers Cerapur 9000i
45 pages
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Gas condensing boiler
GC9000iW
Installation and maintenance manual
6720813052 (2016/10) DE/AT/LU
Cerapur 9000i
Machine Translated by Google

Table of Contents

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Junkers Cerapur 9000i Specifications

General IconGeneral
Modulation Range1:10
DisplayTouchscreen
CategoryBoiler
Fuel TypeNatural Gas
Efficiency94%
Smart Home CompatibilityYes

Summary

Explanation of Symbols and Safety Instructions

Explanation of Symbols

Details warning symbols, signal words, and other icons used in the manual.

General Safety Instructions

Provides essential safety guidelines for installation, commissioning, and maintenance personnel.

Product Information

Documentation

Information regarding safe and professional installation, commissioning, and maintenance.

EC Declaration of Conformity

Details product compliance with European directives and national requirements.

Device Types

Lists the different models of the Cerapur 9000i boiler and their item numbers.

Nameplate

Describes the information found on the product's nameplate.

Scope of Delivery

Lists the components included in the boiler package.

Product Overview (GC9000iW 20/30 E(B))

Product Overview (GC9000iW 20/30/40/50 H)

Frost Protection Function

Pump Test

Describes the automatic pump activation to prevent seizing during long periods of inactivity.

Accessories

Information on available accessories for the devices.

Dimensions and Connections

Provides diagrams and measurements for device dimensions and connections.

Connection Diagram

Specifications

Device Data

Technical data tables detailing performance, emissions, and electrical specifications.

Product Data on Energy Consumption

Refers to the user manual for energy consumption product data.

Gas Data

Residual Head

Diagrams illustrating the residual head generated by the internal heating pump.

Temperature Sensor Resistance Diagrams

Condensate Composition

Table listing the composition of condensate and associated values.

Regulations

Standards, Regulations, and Guidelines

Highlights the need to observe national and regional regulations for installation and operation.

Authorization and Information Requirements

Covers notification and permit requirements for gas supply and condensate disposal.

Validity of Regulations

States that updated regulations are also valid at the time of installation.

Transport

Lifting and Carrying Precautions

Safety warning about proper lifting techniques to prevent injury and damage.

Unpack the Device

Instructions on how to unpack the device and handle packaging materials.

Installation

Explosion Hazard Warning

Critical safety warning regarding work on gas-carrying parts.

Fill and Top-Up Water

Guidance on water quality for filling and topping up the heating system.

Mount the Device

Connect Pipes

Steps for connecting heating water pipes, including maintenance taps and seals.

Open the Panel

Heating Water Pipe Connections

Detailed instructions for connecting heating water pipes, including filter and service cocks.

Expansion Vessel Sizing

Guidance on checking if the 15L expansion vessel is sufficient for the system.

Safety Valve Connection

Notes on the safety valve, stating no on-site overflow valve is needed.

Heating Water Circulation

States that a bypass in the heating system is not required.

External Hot Water Tank Connection

Important notes regarding connections for external hot water storage tanks.

Condensate Siphon Installation

Flue Gas Connection

Guidance on connecting the flue gas line and references to accessory instructions.

Electrical Connection

General Remarks and Warnings

Important safety warnings and general remarks about electrical connections.

Connect Accessories

Instructions for connecting various accessories to the terminal strips.

Function Module Connection

Connecting Multiple Function Modules

Instructions for connecting a second function module using EMS bus and mains cable.

Underfloor Heating Temperature Monitor

Instructions for connecting a temperature monitor for underfloor heating systems.

Outside Temperature Sensor Connection

How to connect the outside temperature sensor to the control system.

Storage Tank Temperature Sensor

Connecting the cylinder temperature sensor to the designated terminal.

General 230V Connections

Information on using 230V connections for electrical accessories and power limits.

External Heating Pump Connection

Instructions for connecting an external heating pump.

Circulation Pump Connection

How to connect the circulation pump for control by the system.

Storage Tank Charging Pump Connection

Connecting the storage tank charging pump or external 3-way valve.

External 3-Way Valve Connection

Connecting an external 3-way valve when the internal one is absent.

Installation

Fill the Heating System

Step-by-step guide to filling the heating system with water and bleeding it.

Turn On the Device

Instructions on how to switch on the device after installation.

Siphon Filling Operation

Explanation of the automatic siphon filling mode and its conditions.

Checking, Testing, and Measuring

Procedures for checking gas connection pressure and other measurements.

Gas Connection Pressure Check

Gas Adaptation

Procedure for setting the gas-air ratio using CO2 or O2 measurement.

Set Gas-Air Ratio

Instructions for setting the gas-air ratio via CO2/O2 measurement and nozzle adjustment.

Change Settings

Set Overpressure Operation

Procedure for setting overpressure operation and adjusting minimum heat output.

Thermal Disinfection Hot Water

Information and warnings regarding thermal disinfection to prevent legionella.

Functional Tests

Checks for regulation, control, and safety devices during commissioning.

Final Work

Steps for reassembling the device after maintenance and filling out reports.

Commissioning Report

Service

Hot Water Temperature Menu

Instructions for reading and changing hot water temperature settings.

Boiler Temperature Menu

Instructions for reading and changing boiler temperature settings.

Chimney Sweep Operation

Manual/Emergency Operation

Guidance on operating the device manually or in emergency mode.

Settings Menu

How to access and navigate the device's settings menu.

Info Menu

How to read device status information such as boiler temperature and pressure.

Idle Display State

Describes how the display sleeps and how to exit idle status.

Decommissioning

Frost Damage Warning

Warning about system damage from frost and ensuring continuous operation.

Shut Down Heating System

Steps to safely shut down the heating system via the device controls.

Menu Navigation

Instructions on navigating menus and selecting items.

Change Setting Values

Steps to select and save new values within the menu system.

Service Menu Overview

Overview of the service menu structure and available parameters.

Service Menu: INFO

Service Menu: SETTINGS

Heating Settings

Settings related to heating capacity, lock time, and temperature differences.

Hydraulics Settings

Settings for pump control, soft temperature, and boiler pump.

Pump Settings

Settings for pump map and pressure control modes.

Pump Switch Mode

Minimum Performance

Setting minimum pump performance at minimum heat output.

Maximum Performance

Setting maximum pump performance at maximum heat output.

Pump Follow-up

Sets the run-on time for the pump after heat request.

Hot Water Settings

Configuration for maximum hot water output and thermal disinfection.

Circulation Pump

Settings for circulation pump operation, including frequency.

Special Features

Configuration for ventilation function (power off, always on, once).

Siphon Fill Program

3-Way Valve Center Position

Ensures the system is drained and the engine can be removed.

Service Menu: LIMITS

Defines limits for heating capacity, hot water output, and flow temperature.

Service Menu: Functional Test

Enables testing of ignition, fan, pump, and 3-way valve functions.

Service Menu: Emergency Operation

Service Menu: Reset

Options to reset the heat generator or basic settings.

Service Menu: Display Settings

Adjustments for language, display turn-off, brightness, and contrast.

Environmental Protection and Disposal

Packaging

Information on environmentally friendly and recyclable packaging materials.

Legacy Device Recycling

Guidance on recycling old devices and their components.

Inspection and Maintenance

Safety Instructions for Inspection and Maintenance

Crucial safety warnings for electrical shock, gas leaks, and water damage.

Calling Up Last Saved Fault

How to view the last saved fault in the service menu.

Check Electrodes

Procedure for checking, cleaning, and replacing electrodes.

Burner and Non-Return Valve Check

Visual Inspection for Corrosion

Instructions for visually checking gas and water pipes for corrosion.

Clean and Fill Condensate Siphon

Procedure for cleaning and refilling the condensate siphon.

Combustion Air/Flue Gas Connection Check

Functional Test Procedure

Steps to activate and check heating and hot water requests.

Heating Block Check and Cleaning

Instructions for checking and cleaning the heating block, including pressure checks.

3-Way Valve Check

Final Inspection

Inspection and Maintenance Checklist

A comprehensive checklist for performing regular inspection and maintenance tasks.

Operating and Fault Displays

Operating Displays

Describes the displays that signal operating states during normal operation.

Fault Indications

Explains how faults are indicated and how to exit fault displays.

Table of Operating and Fault Displays

A table listing fault codes, descriptions, and elimination steps.

Fault Code Details

Fault Code Details (Continued)

Fault Code Details (Continued)

Fault Code Details (Continued)

Failures Not Displayed

Lists potential issues that do not trigger a fault display and their causes.

More Information

Advice to contact the manufacturer for additional information.

Contact Information

Germany Contact

Contact details for Bosch Thermotechnik GmbH Junkers Germany.

Austria Contact

Contact details for Robert Bosch AG Thermotechnology division in Austria.

Switzerland Contact

Contact details for Tobler Haustechnik AG in Switzerland.

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