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3

Key to symbols and safety instructions

Greenstar Utility 

ErP

 – 6 720 821 750 (2018/04)

1

Key to symbols and safety instructions

1.1

Key to symbols

Warnings

The following keywords are defined and can be used in this 
document:

NOTICE

 indicates a situation that could result in damage to 

property or equipment.

CAUTION

 indicates a situation that could result in minor to 

medium injury.

WARNING

 indicates a situation that could result in severe 

injury or death.

DANGER

 indicates a situation that will result in severe 

injury or death.

Important information

Additional symbols

Examples of additional symbols used

A numbered step in an action sequence

A sequence of numbered steps or actions carried out in a 
specific order to complete a task.
1. First action
2. Second action
3. Third action

etc.

A step in an action sequence

A sequence of defined actions or steps carried out in order to 
complete a task.
▶ Action
▶ Next  action
▶ etc.

A reference to a related part in the document or to other 
related documents.

To refer the reader to a specific figure/table/section within the 
manual.

 e.g. figure 1.

A reference number to identify or refer to a part or item.

In a related figure, items or parts identified by a sequential 
number.

List entries, first and second levels

A single component/item

A component/list, made up of multiple parts/items.
– Sub component or sublist of main component/list.
– etc.

1.2

Safety instructions

These operating instructions are intended for the user of the 
heating system.
▶ Read any operating instructions (boiler, heating controls, 

etc.) carefully before operation and keep them.

▶ Observe the safety instructions and warnings.

Oil fumes or leaks from the appliance

If you smell oil fumes, observe the following rules.

▶ Extinguish  any  naked  flames
▶ Isolate the electrical supply
▶ Isolate the fuel supply to the boiler
▶ Open windows and doors
▶ Rectify the fault

Health and safety

The appliance contains no asbestos and no substances have 
been used in the construction process that contravene the 
COSHH Regulations (Control of Substances Hazardous to 
Health Regulations 1998). Where applicable, the CE mark 
indicates compliance with relative EU Directives.

Combustion air/room air

The air in the installation room must be free of combustible or 
chemically aggressive substances.
▶ Do not use or store combustible or explosive materials 

(paper, propellants, thinners, paints, etc.) within the 
vicinity of the appliance.

Safety instructions in this document are 
framed and identified by a 
warning triangle which is printed on a grey 
background. 

This symbol indicates important information 
where there is no risk to people or property.

Symbol

Meaning

1.

a numbered step in an action sequence

a step in an action sequence

a reference to a related part in the document or to 
other related documents

  a reference number to identify or refer to a part or 

item

a  list  entry

– 

a list entry (second level)

Table 1

1

Содержание Worcester Greenstar Utility ErP+ 32/50

Страница 1: ...ng boiler conventional flue and room sealed flue Greenstar Utility ErP 32 50 50 70 6720821750 00 1Wo For fully pumped open vent and sealed central heating systems and domestic hot water cylinders For use with Kerosene Class C2 only 6 720 821 750 2018 04 UK ...

Страница 2: ... available Thereisalsothereassuranceofourpartsandlabourguarantee backed up by Worcester Total Cover an optional complete maintenance scheme to keep your appliance operating at peak condition and efficiency Contents 1 Key to symbols and safety instructions 3 1 1 Key to symbols 3 1 2 Safety instructions 3 2 General Information 4 2 1 Appliance identification and serial number 4 2 2 Energy efficiency ...

Страница 3: ...sublist of main component list etc 1 2 Safety instructions These operating instructions are intended for the user of the heating system Read any operating instructions boiler heating controls etc carefully before operation and keep them Observe the safety instructions and warnings Oil fumes or leaks from the appliance If you smell oil fumes observe the following rules Extinguish any naked flames I...

Страница 4: ...edasaheatapplianceinanopen vented or sealed hot water heating system for domestic purposes Any misuse or unauthorised modifications to the appliance flue or associated accessories and heating system will invalidate the guarantee Do not modify the appliance or flue system in any way Worcester Bosch Group accepts no liability arising from any such actions This does not affect your statutory rights 2...

Страница 5: ... cleaning products which may damage the paint finish In order to realise its maximum working life and to ensure it continues to operate at peak efficiency and performance it is essentialthatservicingandmaintenancechecksareperformed at least once a year by an OFTEC engineer or other suitably qualified person If you would like to know more about servicing options from Worcester Bosch Group please vi...

Страница 6: ...oiler Check the programmer timer is correct and is set to ON Set the room thermostat to the desired setting Open and set thermostatic radiator valves as required Turn the boiler water temperature control to the required setting To switch off the boiler turn the programmer timer to OFF for heating and hot water If the boiler is left unused and exposed to freezing conditions shut off all the mains s...

Страница 7: ... be monitored and adjusted as necessary Check regularly that the pressure is maintained Re charge the system if the pressure gauge reads less than 1 bar If a permanent significant decrease or increase in pressure isindicatedonthepressuregauge contactyourinstalleror maintenance engineer 4 2 1 Checking the system pressure Your installer will advise you of the optimum operating pressure Check the sys...

Страница 8: ...iver slot is in line with the valve The needle on the pressure gauge will start to rise Set the pressure between 1 and 1 5 bar pressure Turn the handles screwdriver slots back through 90 to close the valves The system fill isolation valves 6 are in a closed position the handle screwdriver slot is across the valve If the pressure drops off below 1 bar as a result of the air bleeding Top up the syst...

Страница 9: ...es Minimum air vent area cm2 for boilers installed in a compartment CAUTION Risk of damage to appliance or property The appliance will overheat if the clearance space around the appliance is restricted by objects Do not restrict this space with the addition ofcupboards shelvesetc next to or around the appliance Do not store any combustible materials on or next to the appliance such as clothes towe...

Страница 10: ...arefully 5 3 1 Central heating systems During the first few hours of operation of the central heating system check that all radiators are being heated at an even rate If the top of a radiator is at a lower temperature than the bottom then it should be vented by releasing air through the venting screw at the top of the radiator Ask your installer to show you how this is done Repeated venting will r...

Страница 11: ...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 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 Fie...

Страница 12: ...tem A figure 6 on appliance Note This could prevent your property reaching the desired temperature during cold weather periods Desired room temperature is too high Thermostatic radiator valve s are set too high Turn down thermostatic radiator valves room thermostat Room thermostat is set too high Reduce central heating temperature by turning down the Central Heating control on boiler Heating stays...

Страница 13: ...own sufficiently Do not attempt to repeatedly start the appliance using the manual reset buttons as persistent failure indicates a fault requiring the attention of a service engineer Flue overheat B manual reset Excessive combustion gas temperatures can activate a thermostattoswitchofftheappliance indicatedby button standing proud Press and release to reset thermostat Appliance overheat C manual r...

Страница 14: ...lly selected by your installer The temperature obtainable in any given room is dependent on all radiators being operated at the same time If you decide to turn off radiators in unused rooms spare bedrooms etc you may experienceslightlylowerroomtemperaturesinroomsadjacent to unheated rooms Heating economically The appliance is designed to provide a high level of comfort while keeping oilconsumption...

Страница 15: ...the date of installation that the appliance was correctly commissioned and where appropriate serviced to the satisfactionofBoschThermotechnology Ltd Theseshould be documented in the commissioning and service records in the Installation Commissioning and Servicing Instructions BoschThermotechnology Ltdwillnot accept responsibility fordamagecausedbyfaultyinstallation neglect misuseor accidentaldamag...

Страница 16: ...ndon Worcester WR4 9SW Tel 0330 123 9559 Worcester Bosch Group is a brand name of Bosch Thermotechnology Ltd worcester bosch co uk 6 720 821 750 2018 04 General checks before calling a Service engi neer Check the 1 Oil level in the tank 2 Power to the boiler 3 Control settings Please read the fault section of the manual before contacting our service team Noboilerfaultisfoundonover30 of all service...

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