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Explanation of symbols and safety instructions

5

Greenstar 8000 Style – 6720883869 (2021/05)

▶ If you suspect a CO leak:

– Warn your neighbours and leave the building 

immediately.

– Call an approved contractor.
– Have any defects rectified.

H

Inspection, cleaning and maintenance

The user is responsible for ensuring the heating 
system is safe and environmentally compatible.
Non-existent or improper inspection, cleaning and 
maintenance may result in personal injury, including 
danger to life or material damage.
We recommend that you enter into a contract covering 
an annual inspection and responsive cleaning and 
maintenance with an approved contractor.
▶ Have work carried out only by an approved 

contractor.

▶ Have the heating system inspected by an approved 

contractor at least once a year.

▶ Have any required cleaning or maintenance work 

carried out immediately.

▶ Have any defects in the heating system remedied 

immediately, independent of the annual inspection.

H

 Fittings and modification

Only a competent engineer can remove the appliance 
case and carry out any work, in accordance with the 
relevant Installation Regulations.
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.

H

Combustion air/ambient air

The air in the installation location must be free of 
flammable or chemically aggressive substances.
▶ Do not store or use any flammable or explosive 

materials (paper, petrol, thinners, paints, etc.) in 
the vicinity of the heat source.

▶ Do not store or use any corrosive substances 

(solvents, adhesives, chlorinated cleaning agents, 
etc.) in the vicinity of the heat source.

H

 General considerations

▶ The boiler must be installed in a well ventilated area. 

The openings must be kept in good condition.

▶ The vents or any other component contributing to 

the functioning of the boiler must not be reduced or 
sealed.

▶ We recommend an annual service of the appliance 

by an approved engineer to ensure reliable and 
efficient operation.

H

Safety of electrical devices for domestic use 
and similar purposes

The following requirements apply in accordance with 
EN 60335-1 in order to prevent hazards from 
occurring when using electrical appliances:
“This appliance can be used by children of 8 years and 
older, as well as by people with reduced physical, 
sensory or mental capabilities or lacking in experience 
and knowledge, if they are supervised and have been 
given instruction in the safe use of the appliance and 
understand the resulting dangers. Children shall not 
play with the appliance. Cleaning and user 
maintenance must not be performed by children 
without supervision.”
“If the power cable is damaged, it must be replaced by 
the manufacturer, its customer service department or 
a similarly qualified person, so that risks are avoided.”

H

 Please read these instructions carefully

▶ These instructions are applicable to the Worcester 

appliance model/s stated on the front cover only.

▶ These instructions apply in the UK/IE only and must 

be followed except for any statutory obligation.

Summary of Contents for GR8700iW 30 S NG

Page 1: ...6720883869 2021 05 UK IE User Instructions Gas fired condensing system boiler Greenstar 8000 Style GR8700iW 30 S NG GR8700iW 35 S NG GR8700iW 30 SB NG GR8700iW 35 SB NG...

Page 2: ...are of exceptional quality and proven reliability Our products employ the latest technologies and they are reliable extremely energy efficient offering you economical running costs and value for money...

Page 3: ...9 4 5 Operating the menu 9 4 6 Settings in the menu 10 5 Key accessories 10 5 1 Installing the Key 10 5 2 Key LED 11 5 3 Setting the time program 11 6 Shutdown 11 6 1 Setting frost protection 11 7 The...

Page 4: ...A gas leak could potentially cause an explosion If you smell gas observe the following rules Prevent flames or sparks Do not smoke use a lighter or strike matches Do not operate any electrical switche...

Page 5: ...be free of flammable or chemically aggressive substances Do not store or use any flammable or explosive materials paper petrol thinners paints etc in the vicinity of the heat source Do not store or u...

Page 6: ...ther Gas Safe registeredengineer IntheRepublicofIrelandservicingworkmustbe carried out by a Worcester service engineer or other Registered Gas Installer RGII Alwaysuseoriginalspares tohelpmaintainthee...

Page 7: ...bar If a permanent significant decrease or increase in pressure is shown on the pressure indicator contact your installer or maintenance engineer Pressure indicator Type of pressure indicator for the...

Page 8: ...bleeding the pressure drops off Once the pressure has settled between 1 and 1 5 bar Ensure the valves are closed Remove the hose 2 and replace the blanking cap 1 Fig 3 If the indicator is on the righ...

Page 9: ...peration mode press the ok key In eco mode the appliance will heat the cylinder if the temperature falls approximately12 C below the set temperature Eco mode isenabled by default during the initial ap...

Page 10: ...me prog 1 Timer for hot water Weekday s selection day program and timer adjustment Time program page 11 1 Boiler status Screen with current system values including the pressure indicator Information T...

Page 11: ...m adjustable hot water temperature for thermal disinfection Inform occupants of the premises of the risk of scalding Perform thermal disinfection outside of the normal operating times Do not discharge...

Page 12: ...ion Installer maintenance engineer 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 applianc...

Page 13: ...Itislikelythatthepipeisfrozenatthemostexposedpointoutside thebuildingorwherethereisanobstructiontoflow Thiscouldbe the open end of the pipe at a bend or elbow or where there is a sag in the pipe in w...

Page 14: ...onstantly have to top up your boilers pressure Can you confirm that the filling link is not stuck open passing water in any way Does system pressure increase when the boiler is on Does the system pres...

Page 15: ...usehold waste Used batteries must be disposed of in local collection systems 11 Tips on energy saving Heating economically The appliance provides a high level of comfort whilst keeping fuel consumptio...

Page 16: ...designed This guarantee does not affect your statutory rights Guarantee registration Your appliance product carries a guarantee against faulty material or manufacture subject to Terms and Conditions T...

Page 17: ...tion average climate conditions QHE kWH Annual energy consumption QHE GJ 69 78 Sound power level indoors LWA dB 53 53 Special precautions to be taken during assembly installation or maintenance if app...

Page 18: ...ecomponentto the required extent This shall not apply for other components of the software 14 2 Used Commercial Source Components 14 2 1 This product contains software developed and licensed by SEGGER...

Page 19: ...ials provided with the distribution 3 Neither the name of STMicroelectronics nor the names of other contributors to this software may be used to endorse or promote products derived from this software...

Page 20: ...Kingdom Tel 0330 123 9559 worcester bosch co uk TECHNICAL SUPPORT 0330 123 3366 RENEWABLE SUPPORT 0330 123 9229 CONTROLS AND CONNECTIVITY TEAM 0330 123 3641 APPOINTMENTS 0330 123 9339 SPARES 0330 123...

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