Technical data

2
Alpha SY9-24 - Contents/Introduction
CONTENTS
1 Introduction ....................................... 2
2 Technical data ................................... 3
3 General boiler information .................. 6
4 Installation ......................................... 10
5 Commissioning ................................. 15
6 Boiler operation ................................. 17
7 Routine servicing ............................... 18
8 Component replacement ................... 19
9 Wiring diagrams ................................ 25
10 Fault finding ...................................... 27
11 Short parts list ................................... 30
12 Service history .................................. 31
The Alpha SY9-24 boiler is a wall mounted, fan assisted room-sealed system boiler. The burner is lit electronically and the
heat output is controlled by a modulating gas valve.
The boiler, provides central heating, and is designed for use with a fully pumped, sealed and pressurised heating system using
only Natural Gas.
The boiler is supplied with a pump, pressure relief valve, expansion vessel and pressure gauge fully assembled and tested.
As supplied, the Alpha SY9-24 boiler will automatically modulate to provide central heating outputs between 9.3 and 23.3 kW
(31 700 and 79 500 Btu/h).
IMPORTANT
It is the law that all gas appliances are installed by a competent person, ie CORGI registered personnel, in accordance with
the following recommendations:-
Current Gas Safety (Installation and Use) Regulations
All current Building Regulations issued by the Department of the Environment i.e. Approved Document L1
Building Standards (Scotland) (Consolidation) Regulations issued by the Scottish Development Department
Health & Safety Document No. 635 (The Electricity At Work Regulations 1989)
The installation should also be in accordance with the following British Standard Codes of Practice:-
BS 5440:1:2000 Flues
BS 5449:1990 Forced circulation hot water systems
BS 6798:2000 Installation of gas fired hot water boilers
BS 6891:1989 Gas installation
BS 7593:1992 Code of Practice for treatment of water in heating systems
BS 7671:2001 Requirements for electrical installations, IEE Wiring Regulations
If installation is in a timber framed building, refer to the Institute of Gas Engineers document IGE/UP/7.
This appliance meets the requirements of IPX4D, ie degree of protection against moisture.
Failure to install this appliance correctly could lead to prosecution. It is in your own interest and that of safety to ensure that the
law is complied with.
Manufacturer's instructions must NOT be taken in anyway as over-riding statutory obligations.
Note: Ensure that the Benchmark Log Book has been completed after the boiler has been installed and commissioned.
1 INTRODUCTION