Worcester Greenstar 8000 Life GR8300iW 30 R

Table of contents
3
Greenstar 8000 Life – 6720883866 (2019/04)
1 Explanation of symbols and safety instructions
1.1 Explanation of symbols
Warnings
In warnings, signal words at the beginning of a warning are used to
indicate the type and seriousness of the ensuing risk if measures for
minimising danger are not taken.
The following signal words are defined and can be used in this document:
DANGER:
DANGER indicates that severe or life-threatening personal injury will
occur.
WARNING:
WARNING indicates that severe to life-threatening personal injury may
occur.
CAUTION:
CAUTION indicates that minor to medium personal injury may occur.
NOTICE:
NOTICE indicates that material damage may occur.
Important information
The info symbol indicates important information where there is no risk to
people or property.
Additional symbols
Table 1
1.2 General safety instructions
H Please read these instructions carefully before
starting installation.
• These instructions are applicable to the Worcester
appliance model(s) stated on the front cover of this
manual only and must not be used with any other
make or model of appliance.
• These instructions apply in the UK and Ireland only
and must be followed except for any statutory
obligations.
• This appliance must be installed by a competent
registered gas engineer, such as a Gas Safe
registered engineer including a British Gas
engineer. Failure to install correctly could lead to
prosecution.
9.2 Overheat thermostat removal . . . . . . . . . . . . . . . . . . . .61
9.3 Replacing the gas valve . . . . . . . . . . . . . . . . . . . . . . . . .61
9.4 Following inspection/maintenance . . . . . . . . . . . . . . . .61
10 Fault finding and diagnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
10.1 Operating and fault displays . . . . . . . . . . . . . . . . . . . . .62
10.1.1 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
10.1.2 Fault code table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
10.1.3 Faults that are not displayed . . . . . . . . . . . . . . . . . . . . .64
11 Environmental protection and disposal . . . . . . . . . . . . . . . . .65
12 Technical Specifications/Logs . . . . . . . . . . . . . . . . . . . . . . . . .66
12.1 Technical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .66
12.1.1 Specifications Regular . . . . . . . . . . . . . . . . . . . . . . . . . .66
12.2 Ionisation current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68
12.3 Component resistance characteristics . . . . . . . . . . . . .69
12.3.1 Sensor values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
12.4 Code plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
12.5 Setting values for central heating output . . . . . . . . . . .69
12.6 Electrical wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72
12.7 Gas boiler system commissioning checklist . . . . . . . . .73
12.8 Inspection and maintenance checklist . . . . . . . . . . . . .74
12.9 Service record . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
Symbol Meaning
▶ a step in an action sequence
 a reference to a related part in the document
• a list entry
– a list entry (second level)