Bosch Condens 8300i W - Installation And Maintenance Instructions Manual

64 pages

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6721841531 (2022/10) AU/NZ

Installation and maintenance instructions for specialists

Wall mounted gas condensing boiler

Condens 8300i W

GC8300iW 35/40 C

Main Page

Table of Contents2
Explanation of Symbols and Safety Instructions4
Explanation of Symbols4
General Safety Instructions4
Product Information5
Information about Your Product on the Internet5
Scope of Delivery5
Declaration of Conformity5
Product Identification6
Overview of Types6
Dimensions and Minimum Clearances6
Product Overview8
Regulations9
Flue Gas Routing10
Approved Flue Accessories10
Installation Instructions10
Flue Terminal Positions10
Inspection Apertures11
Vertical Flue Gas Routing through the Roof11
Calculating the Length of a Flue System11
Horizontal Concentric Flue System12
Vertical Concentric Flue System12
Vertical Flue System Via Roof12
Preconditions for Installation12
General Notes12
Installation Location Requirements12
Water System and Pipe Work13
System Fill13
Condensate Pipe Work14
Internal Connections14
Heating14
Fill and Top-Up Water15
Installation16
Safety Instructions for Installation16
Water Preheated by Solar Energy16
Check the Size of the Expansion Vessel16
Assembly16
Preparing the Device Installation16
Installing the Appliance18
Hydraulic Connection18
Connecting the Flue Accessories19
Filling the System and Checking for Tightness19
Electrical Connection20
General Notes20
Connecting the Device20
Connecting External Accessories20
Commissioning23
Pre-Commissioning Checks23
Filling the Appliance and Adding Inhibitor23
Adjusting the Operating Pressure of the Heating System24
Starting the Appliance24
Control Panel Overview24
Turn on the Appliance25
Siphon Filling Mode, Manual Activation/De-Activation25
Chimney Sweep Mode25
Combustion Casing Removal25
Checking Gas Inlet Pressure26
Checking the Gas Supply Pressure26
Checking for Gas Leaks During Operation27
CO and Combustion Check27
Checking Flue Integrity28
Flue Gas Analysis28
Range Rating the Appliance28
Finishing Commissioning29
7.13.1 Fitting the Appliance Casing29
7.13.2 Checking the Operating Status of the Heating Pump29
Settings in the Service Menu30
Operating the Service Menu30
Service Menu31
Service Functions Overview31
Thermal Disinfection36
Inspection and Maintenance36
Safety Instructions for Inspection and Maintenance36
Safety-Relevant Components36
Resources for Inspection and Maintenance36
Checklist for Inspection and Maintenance37
Checking the Operating Status of the Heating Pump37
Check Gas Setting37
Gas Type Conversion37
Checking And, if Required, Adjusting the Gas/Air38
Ratio38
Check the Gas Supply Pressure40
Flue Gas Test40
Chimney Sweep Mode40
Tightness Test of the Flue Gas Path41
CO Test of Flue Gas41
Checking the Electrodes41
Checking the Burner42
Checking the Non-Return Valve in the Mixing Device43
Checking the Electrical Wiring43
Checking the Expansion Vessel43
Check the Strainer in the Cold Water Pipe and the Turbine43
Checking the Plate Heat Exchanger44
Checking Heating Block44
Cleaning the Heat Exchanger Assembly45
Cleaning the Condensate Trap46
Adjusting the Operating Pressure of the Heating System47
Replacing the Gas Valve47
Checking/Replacing the Motor of the 3-Way Valve48
Following Inspection/Maintenance49
Troubleshooting49
Operating and Fault Displays49
10.1.1 General Information49
10.1.2 Error Code Table50
10.1.3 Faults that Are Not Displayed55
Shutdown56
Turn off the Unit56
Setting Frost Protection56
Environmental Protection and Disposal56
Technical Information and Reports57
Technical Data57
Ionisation Current58
Sensor Values58
Coding Plug58
Pump Characteristic Map of the Heating Pump59
Setting Values for Heating Capacity59
Electrical Wiring60
Commissioning Report for the Appliance62

Bosch Condens 8300i W - Installation And Maintenance Instructions Manual

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