Worcester Greenstar 9i System Bruksanvisning
Worcester
Pannor & pannor
Greenstar 9i System
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UK/IE
User instructions
Wall hung RSF gas fired condensing system boiler
Greenstar i System ErP
6720806946-00.1Wo
For sealed central heating systems
6 720 806 947 (2015/03)
If you smell gas:
▶ Well away from the building: call the National Gas Emergency
Service on 0800 111 999.
▶ L.P.G. boilers: Call the supplier’s number on the side of the
gas tank.
These appliances are for use with:
Natural Gas or L.P.G.
(Cat. II 2H 3P type C13, C33 & C53)
Model GC Number
Natural Gas Greenstar 9i System ErP 41-406-21
Greenstar 12i System ErP 41-406-23
Greenstar 15i System ErP 41-406-25
Greenstar 18i System ErP 41-406-27
Greenstar 21i System ErP 41-406-29
Greenstar 24i System ErP 41-406-31
L.P.G. Greenstar 9i System ErP 41-406-22
Greenstar 12i System ErP 41-406-24
Greenstar 15i System ErP 41-406-26
Greenstar 18i System ErP 41-406-28
Greenstar 21i System ErP 41-406-30
Greenstar 24i System ErP 41-406-32

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Preface
Greenstar i System ErP – 6 720 806 947 (2015/03)
Preface
Please read these instructions carefully
These instructions are applicable to the Worcester, Bosch
Group appliance model stated on the front cover only.
These instructions apply in the UK/IE only and must be followed
except for any statutory obligation.
After installation please leave this User instruction Manual,
Installation, Commissioning and Servicing Instructions and
completed Benchmark Checklist with the user.
Dedicated to heating comfort
Thank you for purchasing a Greenstar gas-fired condensing
appliance manufactured by Worcester, Bosch Group. The
company prides itself on manufacturing appliances to the
strictest quality control standards throughout every stage of
production.
Worcester, Bosch group has led the field in innovative
appliance design and performance for over 50 years. This
heritage means all our products are of exceptional quality and
proven reliability.
The Greenstar range in particular is extremely energy efficient,
offering you economical running costs and value for money. It is
amongst the top energy rated appliances available.
There is also the reassurance of our parts and labour guarantee
- backed up by Worcester Total Cover, an optional complete
maintenance scheme to keep your appliance operating at peak
condition and efficiency.

3
Contents
Greenstar i System ErP– 6 720 806 947 (2015/03)
Contents
1 Key to symbols and safety instructions . . . . . . . . . . . . 4
1.1 Key to symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.2 Safety precautions . . . . . . . . . . . . . . . . . . . . . . . . 4
2 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.1 Energy efficiency . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 Servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.3 Benchmark standard . . . . . . . . . . . . . . . . . . . . . . 5
2.4 User caution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.1 Appliance controls . . . . . . . . . . . . . . . . . . . . . . . . 8
3.1.1 Appliance display . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.1.2 Basic adjust mode . . . . . . . . . . . . . . . . . . . . . . 12
3.2 Central heating . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.2.1 View appliance flow set temperature . . . . . . . 13
3.2.2 Setting the appliance flow temperature
for the system . . . . . . . . . . . . . . . . . . . . . . . . . .13
3.2.3 Set economic temperature - Central
heating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
3.2.4 Turning the central heating off during the
summer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
3.2.5 Appliance frost protection . . . . . . . . . . . . . . . 14
3.3 No integral diverter valve fitted:
Cylinder temperature adjustment . . . . . . . . . .15
3.4 Optional integral diver valve kit fitted:
Setting the cylinder hot water temperature . .15
3.4.1 View the cylinder hot water temperature set
temperature . . . . . . . . . . . . . . . . . . . . . . . . . . .15
3.4.2 General cylinder hot water temperature
adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
3.4.3 Mid point domestic hot water temperature . . 16
3.4.4 Domestic hot water eco and preheat modes . 17
3.4.5 Domestic hot water preheat mode manual
activation (Eco mode off) . . . . . . . . . . . . . . . . .17
3.4.6 Turn off the operation/fault diagnostic
light (blue) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
4 System pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4.1 External filling link . . . . . . . . . . . . . . . . . . . . . . 18
5 Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6 Maintaining your appliance . . . . . . . . . . . . . . . . . . . . 20
7 Fault finding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
7.1 Appliance alert state . . . . . . . . . . . . . . . . . . . . 22
7.2 Appliance reset . . . . . . . . . . . . . . . . . . . . . . . . 22
7.3 Extreme cold weather . . . . . . . . . . . . . . . . . . . 23
8 Fault or breakdown . . . . . . . . . . . . . . . . . . . . . . . . . . 23
9 Tips on energy saving . . . . . . . . . . . . . . . . . . . . . . . . 24
10 Environment/disposal . . . . . . . . . . . . . . . . . . . . . . . . 25
11 Your guarantee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
12 Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Produktspecifikationer
Varumärke: | Worcester |
Kategori: | Pannor & pannor |
Modell: | Greenstar 9i System |
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