Alpha Alpha CB24 Manuel utilisateur

Supplementary LPG Boiler

Instructions

Nepicar House, London Road,

Wrotham Heath, Sevenoaks,

Kent TN15 7RS

For Technical help or for Service call ...

ALPHA HELPLINE

Tel: 0870 3001 964

Alpha CB24/28 and SY9-24

Range of Wall Mounted, Fan Assisted, Room Sealed,

Gas Fired Boilers

Alpha CB24X British Gas G.C. No. 47 532 14

Alpha CB24 British Gas G.C. No. 47 532 15

Alpha CB28 British Gas G.C. No. 47 532 16

Alpha CB28X British Gas G.C. No. 47 532 17

Alpha SY9-24 British Gas G.C. No. 41 532 01

Service Listed

For use with LPG (Propane) only

Leave these instructions with the User

2CB24/28 and SY24 LPG Supplement

1 INTRODUCTION

This supplement is for the LPG model of the boiler; it must be read in conjunction with the 'Installation and Servicing

Instructions' supplied with the boiler and provides the extra information which is particular to LPG.

The Alpha CB24/28 range of combination boilers are wall mounted, fan assisted room-sealed combination boilers providing

both central heating and domestic hot water at mains pressure.

The Alpha SY9-24 is a System boiler providing heating only, for sealed central heating systems.

The boilers are designed for use with a fully pumped sealed and pressurised heating system using only PROPANE gas.

2 TECHNICAL DATA

2.1 PERFORMANCE - PROPANE GAS

MAX.

28.4

96 900

23.3

79 500

35.5

14.2

1.1

39.1

MIN.

12.1

41 300

9.3

31 700

7.2

2.9

0.45

16.1

MAX.

28.4

96 900

23.3

79 500

35.5

14.2

1.1

39.1

MIN.

12.1

41 300

9.3

31 700

7.2

2.9

0.45

16.1

Room sealed chamber

panel fitted Room sealed chamber

panel fitted

Central Heating

Heat Input kW

(Gross) Btu/h

Heat Output (modulating) kW

Btu/h

BurnerPressure mbar

Settings in wg

Gas Supply Pressure (LPG) mbar

in wg

Gas Rate (LPG) m³/h

ft³/h

CH Water Temp. (Approx. max.) °C

°F

37.0

14.8

180

37.0

14.8

9.5

2.1

144

Domestic Hot Water

Heat Input kW

(Gross) Btu/h

Output to Water (modulating) kW

Btu/h

BurnerPressure mbar

Settings in wg

Gas Supply Pressure (LPG) mbar

in wg

Gas Rate (LPG) m³/h

ft³/h

Flow Rate at 35°C Rise L/min

G.P.M.

Outlet Water Temp. (Approx. max.) °C

°F

2.2 PERFORMANCE - PROPANE GAS

MAX.

34.0

116 000

28.0

95 500

36.0

14.4

1.3

47.1

MIN.

14.3

48 800

11.2

38 200

7.5

3.0

0.45

16.1

MAX.

34.0

116 000

28.0

95 5000

36.0

14.4

1.3

47.1

MIN.

14.3

48 800

11.2

38 200

7.5

3.0

0.45

16.1

Room sealed chamber

panel fitted Room sealed chamber

panel fitted

Central Heating

Heat Input kW

(Gross) Btu/h

Heat Output (modulating) kW

Btu/h

BurnerPressure mbar

Settings in wg

Gas Supply Pressure (LPG) mbar

in wg

Gas Rate (LPG) m³/h

ft³/h

CH Water Temp. (Approx. max.) °C

°F

37.0

14.8

180

37.0

14.8

11.4

2.5

144

Domestic Hot Water

Heat Input kW

(Gross) Btu/h

Output to Water (modulating) kW

Btu/h

BurnerPressure mbar

Settings in wg

Gas Supply Pressure (LPG) mbar

in wg

Gas Rate (LPG) m³/h

ft³/h

Flow Rate at 35°C Rise L/min

G.P.M.

Outlet Water Temp. (Approx. max.) °C

°F

Alpha CB24, CB24X and SY9-24 Alpha CB24, CB24X

Alpha CB28 and CB28X Alpha CB28 and CB28X

CB24/28 and SY24 LPG Supplement

3 BOILER LOCATION

The boiler must not be installed in a room or internal space below ground level, e.g. in a basement or cellar, except where at

least one side is open to ground level.

4 INSTALLATION

In addition to the regulations and requirements stated in the Installation and Servicing instructions, the boiler must be installed

in accordance with BS 5482:1 - The Installation of Propane Burning Appliances in Permanent Dwellings.

5 COMMISSIONING

6 PARTS LIST

Only the main burner injectors are special to Propane boilers. For other 'Short List Spare Parts', refer to the Installation and

Servicing instructions supplied with the boiler.

Propane components

Main burner injectors - CB24, CB24X and SY9-24

Main burner injectors - CB28 and CB28X

Qty.

Type

0.77 mm

Alpha Part No.

1.4271

The boiler has been tested and factory set for use with Propane gas and it should only be necessary to ensure the correct gas

supply pressure of 37 mbar is available.

2.3 GAS SUPPLY

The Alpha CB24, CB24X and SY9-24 boilers require a gas rate of 2.0 kg/h (4.4 lb/h) or 3.9 litres/h of liquid gas.

The Alpha CB28 and CB28X boilers require a gas rate of 2.4 kg/h (5.3 lb/h) or 4.7 litres/h of liquid gas.

The supply pipes must be capable of delivering this quantity of gas in addition to the demand from any other appliances in the

house. The boiler requires at least a 22 mm gas supply pipe.

The complete installation must be tested for gas soundness against leakage.

The local Propane gas supplier should be consulted, at the installation planning stage, in order to establish the availability of

an adequate supply of gas.

Installation pipes, cylinders and pressure regulators should be fitted in accordance with BS 5482:1. Bulk tank installation must

comply with the requirements of the Home Office code of practice for the storage of liquefied petroleum gas at fixed installations.

7 SERVICING

When servicing or replacing boiler components follow the procedures as described in the main Installation and Servicing

instructions supplied with the boiler.

Remembering the parts special for Propane boilers and the burner pressures special to Propane boilers given in this leaflet.

DETAILS OF BOILER INSTALLATION

Date of Installation: ......................................................................

Name of Installer: .........................................................................

Address: ......................................................................................

....................................................................................................

Postcode: ....................................................................................

Telephone No: .............................................................................

Boiler Serial Number: (LPG) ........................................................

(see inside controls panel hinged cover)

05/03/D157

Part No. 1.019058

Leaflet compiled and designed by Publications 2000 - Tel: (01670) 356211

These instructions have been carefully prepared but we reserve the right to

alter the specification at any time in the interest of product improvement.

Alpha Therm Limited.

NepicarHouse,LondonRoad,WrothamHeath,

Sevenoaks, Kent TN15 7RS

Tel: 0870 3001 964

email: info@alphatherm.co.uk

website: www.alpha-innovation.co.uk

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