2
Preface
Greenstar FS CDi
ErP
– 6720919078 (2015/12)
Preface
Please read these instructions carefully
These instructions are applicable to the Worcester, Bosch
Group boiler models 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 and
the Installation, Commissioning and Servicing Instructions
including the completed Benchmark Checklist with the user.
Dedicated to heating comfort
Thank you for purchasing a Greenstar gas-fired condensing
boiler manufactured by Worcester, Bosch Group. The company
prides itself on manufacturing boilers to the strictest quality
control standards throughout every stage of production.
Worcester, Bosch group has led the field in innovative boiler
design and performance for more than 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 sits in SEDBUK 2005 Band A, scoring highly in SEDBUK
2009, and is therefore among the top energy rated boilers
available.
There is also the reassurance of our no-nonsense 2 years parts
and labour guarantee, backed up by Worcester Total Cover, an
optional complete maintenance scheme to keep your boiler
operating at peak condition and efficiency.
Contents
1 Symbols and safety precautions . . . . . . . . . . . . . . . . . 3
1.1 Explanation of symbols . . . . . . . . . . . . . . . . . . . . . 3
1.2 Safety precautions . . . . . . . . . . . . . . . . . . . . . . . . 3
2 Product details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 General information . . . . . . . . . . . . . . . . . . . . . . . 4
2.2 Product data on energy consumption . . . . . . . . . 4
3 Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.1 Switching the boiler ON/OFF . . . . . . . . . . . . . . . . 6
3.1.1 Switching ON . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.2 Setting the central heating temperature . . . . . . . 6
3.2.1 Controlling the central heating . . . . . . . . . . . . . 6
3.3 Frost protection (for the boiler) . . . . . . . . . . . . . . 7
3.3.1 Frost protection (for the heating system) . . . . . 7
3.4 Fault condition . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4 Boiler/compartment clearances . . . . . . . . . . . . . . . . . 9
4.1 Boiler clearances . . . . . . . . . . . . . . . . . . . . . . . . . . 9
4.2 Airing cupboard clearances . . . . . . . . . . . . . . . . 10
4.3 Vented compartments . . . . . . . . . . . . . . . . . . . . 10
5 Maintaining your boiler . . . . . . . . . . . . . . . . . . . . . . . 11
6 Fault finding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
6.1 Error codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
6.2 Extreme cold weather . . . . . . . . . . . . . . . . . . . . . 12
7 Fault or breakdown . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
8 Environment / disposal . . . . . . . . . . . . . . . . . . . . . . . 13
9 Tips on energy saving . . . . . . . . . . . . . . . . . . . . . . . . . 13
10 Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
11 Guarantee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
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