Ventilation Information; Malfunction Or Failure - Worcester Greenstar 1000 User Instructions

1
5
A
4
5
Fig. 9 Reduced front maintenance clearances - Front view
[A] Appliance.
[1] Above appliance - Same clearance required as for standard
clearances of 60/100 flue or 80/125mm flue.
[3] Bottom of appliance to the floor - 1,000 - 1,500mm.
[4] Below appliance - 200mm
[5] One side of appliance - Minimum 300mm.
[6] One side of appliance - Minimum 5mm.
6.2

Ventilation information

The air supply must not be restricted or contaminated.
Ventilation considerations
▶ Do not place objects to hinder the air circulation required by the
appliance.
▶ The installation premises may require ventilation to be fitted
according to its features or use.
The working pressure of the appliance should be between 0.6 bar and
3 bar. To protect the heat exchanger in the range from 0.6 bar to 1.1 bar,
the temperature limitation algorithm is activated in the heating water
outlet.
Working pressure (bar)
1.1
1.0
0.9
0.8
0.7
0.6
Table 7
Greenstar 1000 – 6721835944 (2023/08)
6
3
Heating flow temperature (c)
86
79
72
64
57
50
7

Malfunction or failure

If you believe there is a problem with your central heating or hot water
supply, before you contact your installer/maintenance engineer and
report the error and appliance type carry out the following checks.
Basic checks
Some items to check before placing a call are:
• Is the electrical power switched on to the appliance?
• Is the programmer/timer set to ON or in an ON period?
• Is the room thermostat set too low?
• Is the cylinder thermostat (if fitted) set too low?
• Is the cold water main turned on?
• Sealed heating system:
– Is the static system pressure (when appliance is cold) between
1 and 1.5 bar?
• Do you have gas?
– Are other gas appliances working, gas cooker/hob for example?
– Has your credit run out on your gas pre-payment meter?
Details of your installer should be available in the Commissioning
Checklist or can be recorded in the following section.
Installer/maintenance engineer
Installer/maintenance engineer details
Engineer name:
Company
name:
Company
address:
Telephone:
Email:
Table 8
Worcester, Bosch Group
The appliance is supported in the UK and Eire by Worcester, Bosch
Group.
Specialist service engineers are available to attend an appliance
breakdown.
Invoices for attendance and repair work carried out on this appliance by
any third party will not be accepted.
• No charge will be made for parts and/or labour providing:
– The appliance fault is found and the appliance is within the
guarantee period. Reasonable evidence of this must be supplied
on request. i.e. a completed commissioning and service record
and has been regularly serviced at least once a year.
• A call-out charge will be made where:
– The appliance is outside the guarantee period or has not been
serviced in accordance with the manufacturers instructions.
– Our Field Service Engineer finds no fault with the appliance.
– The cause of breakdown is misuse or with other parts of your
plumbing/heating system, or with equipment not supplied by
Worcester, Bosch Group.
Malfunction or failure
13