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Condens 8300i W
Bosch Condens 8300i W Installation And Maintenance Instructions
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6721841531 (2022/10) AU/NZ
Installation and maintenance
instructions for specialists
W
all mount
ed gas condensing boiler
Condens 8300i W
GC8300iW 35/40 C
2
Table of Contents
Table of Contents
2
Explanation of Symbols and Safety Instructions
4
Explanation of Symbols
4
General Safety Instructions
4
Product Information
5
Information about Your Product on the Internet
5
Scope of Delivery
5
Declaration of Conformity
5
Product Identification
6
Overview of Types
6
Dimensions and Minimum Clearances
6
Product Overview
8
Regulations
9
Flue Gas Routing
10
Approved Flue Accessories
10
Installation Instructions
10
Flue Terminal Positions
10
Inspection Apertures
11
Vertical Flue Gas Routing through the Roof
11
Calculating the Length of a Flue System
11
Horizontal Concentric Flue System
12
Vertical Concentric Flue System
12
Vertical Flue System Via Roof
12
Preconditions for Installation
12
General Notes
12
Installation Location Requirements
12
Water System and Pipe Work
13
System Fill
13
Condensate Pipe Work
14
Internal Connections
14
Heating
14
Fill and Top-Up Water
15
Installation
16
Safety Instructions for Installation
16
Water Preheated by Solar Energy
16
Check the Size of the Expansion Vessel
16
Assembly
16
Preparing the Device Installation
16
Installing the Appliance
18
Hydraulic Connection
18
Connecting the Flue Accessories
19
Filling the System and Checking for Tightness
19
Electrical Connection
20
General Notes
20
Connecting the Device
20
Connecting External Accessories
20
Commissioning
23
Pre-Commissioning Checks
23
Filling the Appliance and Adding Inhibitor
23
Adjusting the Operating Pressure of the Heating System
24
Starting the Appliance
24
Control Panel Overview
24
Turn on the Appliance
25
Siphon Filling Mode, Manual Activation/De-Activation
25
Chimney Sweep Mode
25
Combustion Casing Removal
25
Checking Gas Inlet Pressure
26
Checking the Gas Supply Pressure
26
Checking for Gas Leaks During Operation
27
CO and Combustion Check
27
Checking Flue Integrity
28
Flue Gas Analysis
28
Range Rating the Appliance
28
Finishing Commissioning
29
7.13.1 Fitting the Appliance Casing
29
7.13.2 Checking the Operating Status of the Heating Pump
29
Settings in the Service Menu
30
Operating the Service Menu
30
Service Menu
31
Service Functions Overview
31
Thermal Disinfection
36
Inspection and Maintenance
36
Safety Instructions for Inspection and Maintenance
36
Safety-Relevant Components
36
Resources for Inspection and Maintenance
36
Checklist for Inspection and Maintenance
37
Checking the Operating Status of the Heating Pump
37
Check Gas Setting
37
Gas Type Conversion
37
Checking And, if Required, Adjusting the Gas/Air
38
Ratio
38
Check the Gas Supply Pressure
40
Flue Gas Test
40
Chimney Sweep Mode
40
Tightness Test of the Flue Gas Path
41
CO Test of Flue Gas
41
Checking the Electrodes
41
Checking the Burner
42
Checking the Non-Return Valve in the Mixing Device
43
Checking the Electrical Wiring
43
Checking the Expansion Vessel
43
Check the Strainer in the Cold Water Pipe and the Turbine
43
Checking the Plate Heat Exchanger
44
Checking Heating Block
44
Cleaning the Heat Exchanger Assembly
45
Cleaning the Condensate Trap
46
Adjusting the Operating Pressure of the Heating System
47
Replacing the Gas Valve
47
Checking/Replacing the Motor of the 3-Way Valve
48
Following Inspection/Maintenance
49
Troubleshooting
49
Operating and Fault Displays
49
10.1.1 General Information
49
10.1.2 Error Code Table
50
10.1.3 Faults that Are Not Displayed
55
Shutdown
56
Turn off the Unit
56
Setting Frost Protection
56
Environmental Protection and Disposal
56
Technical Information and Reports
57
Technical Data
57
Ionisation Current
58
Sensor Values
58
Coding Plug
58
Pump Characteristic Map of the Heating Pump
59
Setting Values for Heating Capacity
59
Electrical Wiring
60
Commissioning Report for the Appliance
62
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Bosch Condens 8300i W Specifications
General
Type
Condensing Boiler
Mounting
Wall-mounted
Modulation range
Up to 1:10
Output Power
30 kW
Fuel Type
Natural gas / LPG
Warranty
2 years
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