Potterton Performa 24 Manuel utilisateur

bar

Reset Burner On

Flame Failure

Power On

User’s Guide Performa 24

This is a Wall Mounted Combination Boiler Gas Fired Central Heating Unit.

The boiler meets the requirements of Statutory Instrument “ The Boiler (Efficiency) Regulations 1993 No3083” and is

deemed to meet the requirements of Directive 92/42/EEC on the energy efficiency requirements for new hot water

boilers fired with liquid or gaseous fuels:-

Type test for purpose of Regulation 5 certified by:

Notified Body 0086.

Product/Production certified by:

Notified Body 0086.

For use in GB/IE only.

2© Baxi Heating UK Ltd 2007

Natural Gas

Potterton Performa 24

G.C.No47 393 06

Where fitted, user label for

optional timer to be applied here.

IMPORTANT - Installation, Commissioning, Service & Repair

This appliance must be installed in accordance with the

manufacturer’s instructions and the regulations in force. Read

the instructions fully before installing or using the appliance.

In GB, this must be carried out by a competent person as

stated in the Gas Safety (Installation & Use) Regulations.

Definition of competence: A person who works for a CORGI

registered company and holding current certificates in the

relevant ACS modules, or valid ACoP equivalents, is deemed

competent.

In IE, this must be carried out by a competent person as

stated in I.S. 813 “Domestic Gas Installations”.

Lifting - This product should be lifted and handled by two

people. Stooping should be avoided and protective equipment

worn where necessary. Carrying & lifting equipment should be

used as required, e.g. when installing in a loft space.

The addition of anything that may interfere with the normal

operation of the appliance without express written permission

from the manufacturer or his agent could invalidate the

appliance warranty. In GB this could also infringe the Gas

Safety (Installation and Use) Regulations.

Warning - Check the information on the data plate is

compatible with local supply conditions.

CORGI

All CORGI registered installers carry a CORGI identification

card and have a registration number. Both should be recorded

in your boiler Log Book. You can check your installer is

registered by telephoning +44 (0)1256 372300 or writing to:-

1 Elmwood,

Chineham Business Park,

Crockford Lane,

Basingstoke. RG24 8WG

be reproduced or transmitted in any form or by any means, or stored in any

retrieval system of any nature (including in any database), in each case whether

electronic, mechanical, recording or otherwise, without the prior written

permission of the copyright owner, except for permitted fair dealing under

Copyrights, Designs and Patents Act 1988.

Applications for the copyright owner’s permission to reproduce or make other

use of any part of this publication should be made, giving details of the proposed

use, to the following address:

The Company Secretary, Baxi Heating UK Ltd, Pentagon House,

Sir Frank Whittle Road, Derby, DE21 4XA.

Full acknowledgement of author and source must be given.

WARNING: Any person who does any unauthorised act in relation to a

The code of practice for the installation,

commissioning & servicing of central

heating systems.

“Potterton” supports

In an Emergency

If a water or gas leak occurs or is suspected, the boiler

can be isolated at the inlet valves as follows;

1. Turn off the electrical supply and turn the selector

switch on the facia box to the Off position.

2. Using a suitable open ended spanner or

screwdriver turn the square on the gas tap to the left

to isolate the gas supply at the boiler (Fig. 1).

3. The isolating valves are positioned under the boiler

and can be closed by turning their taps to the right

towards the wall (Fig. 2).

4. Call your Installer or Service Engineer as soon as

possible.

In case of gas leaks

1. If a gas leak is found or suspected, turn off the gas

supply at the meter immediately and at the isolating valve

on the boiler if possible. Contact your Gas Supplier

immediately.

Servicing your Appliance

1. For reasons of safety and economy your appliance

should be serviced annually. Servicing must be performed

by a competent person. Your Installer or Service Engineer

will be able to advise you.

Electricity Supply

1. THIS APPLIANCE MUST BE EARTHED.

2. A standard 230V ~ 50Hzsupply is required. The

appliance must be protected by a 3 amp fuse.

Never Hang Flammable Items Over The Appliance

Gas Tap

Heating Flow, Heating

Return and Mains

Water Inlet

Isolating Valves

Fig. 1

Fig. 2

4© Baxi Heating UK Ltd 2007

Introduction

1. Your Potterton Performa 24 is a gas fired, room

sealed, powered flue combination boiler, providing

central heating for your home and mains fed domestic

hot water to taps and shower. It is fully automatic and

does not have a pilot light.

2. Priority is given to the hot water mode - when a hot

water tap is turned on the supply of heat to the central

heating circuit is interrupted.

Operating the Boiler

1. Ensure that the electricity and gas supplies are

turned on. Check that the central heating pressure is

between 0.5 and 1.0 bar (Fig. 3).

2. Turn the On/Off/Reset selector switch either anti-

clockwise from the off position (Fig. 5) to both central

heating and domestic hot water or clockwise to

domestic hot water only.

3. In either position the green “power” neon ( ) will

illuminate (Fig. 4).

4. Position (i) In this position the central heating will

operate according to demand or provide domestic hot

water when a tap or shower is turned on (Fig. 6).

Priority is given to domestic hot water.

5. Position (ii) In this position hot water will be

provided when a tap or shower is turned on (Fig. 7).

6. The boiler will light automatically on demand.

7. The orange “burner” neon ( ) will illuminate when

the boiler is operating and the main burner is on

(Fig. 4).

IMPORTANT: When the selector switch is in the

‘0’ (Off) position the electrical supply to the boiler is

isolated. The boiler will not operate and the

integral timer (if fitted) will require resetting once

the selector switch is set to either Position (i) or

Position (ii).

bar

Reset Burner On

Flame Failure

Power On

Reset

Position (ii)

(Hot Water)

Fig. 6

Fig. 7

Reset

OFF Position

Fig. 5

Fig. 4

Fig. 3

1. On/Off/Reset Selector Switch

2. Burner On & Fault Indicator Neon

3. Power Neon

4. Flame Failure & Fault Indicator Neon

5. Central Heating Temperature Control

6. Hot Water Temperature Control

7. Central Heating System Pressure Gauge

8. Optional Integral Timer Position

12 34 5 6 7 8

bar

Position (i)

(Central Heating or Hot Water)

Fault Indication

1. Your Potterton Performa 24 has three neon

indicators. The upper two function as boiler on and

fault indicators.

2. Depending on the nature of the fault the upper two

neons will illuminate, go off or flash.

3. There are five possible combinations, each

indicating one or more fault conditions. These are

described below.

The flue or flue terminal is blocked or obstructed in

some way, or there is an internal fault.

If there is no external blockage of the flue that can be

easily removed contact your Installer or Service

Engineer.

The circulating pump is faulty or the system pressure

has dropped. Check the system pressure (see page 7).

If the pressure is in the normal range a pump fault is

indicated. Contact your Installer or Service Engineer.

A fault on the boiler temperature sensor is indicated.

Contact your Installer or Service Engineer.

The primary system or the boiler has overheated.

Allow the boiler to cool. Turn the selector switch fully

anticlockwise against the spring pressure to the ‘Reset’

position and hold for at least 3 seconds.

If this occurs repeatedly contact your Installer or

Service Engineer.

The burner has failed to light, or incomplete lighting of

the burner has occurred. Turn the selector switch fully

anticlockwise against the spring pressure to the ‘Reset’

position and hold for at least 3 seconds.

If this occurs repeatedly contact your Installer or

Service Engineer.

Burner On

Flame Failure

Power On

Off

Fast Flashing (2 every second)

Burner On

Flame Failure

Power On

Off

Slow Flashing (1 every 2 seconds)

Burner On

Flame Failure

Power On

Slow Flashing (1 every 2 seconds)

Burner On

Flame Failure

Power On

Slow Flashing (1 every 2 seconds)

Burner On

Flame Failure

Power On

Off

Reset

Reset Position

6© Baxi Heating UK Ltd 2007

Temperature Control

1. Central Heating: The central heating hot water flow

temperature can be adjusted between 30° C (± 5° C)

minimum and 85° C (± 5° C) maximum.

2. Turn the control knob clockwise to increase the

temperature (Fig. 8).

3. In normal winter usage we recommend that the

central heating temperature be set at maximum.

4. Domestic Hot Water: The temperature of the

domestic hot water can be adjusted by turning the

control knob clockwise to increase up to a maximum of

65° C (Fig. 9).

5. The temperature of the water is also dependent on

the water flow rate and the temperature of the mains

water coming into the house.

6. By slightly reducing the flow from the tap the

temperature will increase up to the maximum if

required.

7. The flow rate can be reduced down to as low as 2.5

litre/min. The boiler will still recognise the need to heat

the water.

Domestic Hot Water

Temperature Control

Fig. 8

Central Heating

Temperature Control

Fig. 9

Central Heating System Pressure

1. The water pressure in the central heating system is

indicated by the pressure gauge.

2. With the system cold and the boiler not operating

the pressure should be between 0.5 and 1.0 bar.

During operation the pressure should not exceed 2.5

bar, and will normally be between 1.0 and 2.0

(Figs. 10 & 11).

3. A pressure of 3 or greater indicates a fault. The

safety pressure relief valve will operate, at a pressure

of 3 (Fig. 12). It is important that your Installer or

Service Engineer is contacted as soon as

possible.

4. The minimum pressure for correct operation is 0.5.

If the pressure falls below 0.5, this may indicate a

leak on the central heating system (Fig. 13).

To Shut Off the Boiler

1. For short periods: Turn the selector switch to the

Off position (Fig. 14).

2. For long periods: Turn off the selector switch

(Fig. 14), electricity and gas supplies.

If your home is to be left unoccupied for long

periods during cold weather the boiler and whole

system should be drained unless equipped with

frost protection.

3. Your installer will advise you about frost protection

and draining the system.

IMPORTANT: When the selector switch is in

the ‘0’ (Off) position the electrical supply to the

boiler is isolated. The boiler will not operate and

the integral timer (if fitted) will require resetting

once the selector switch is set to either

Position (i) or Position (ii).

bar

ON/OFF/RESET

Selector Switch

Reset

OFF Position

Fig. 14

Normal Pressure (when cold)

Normal Pressure (operating)

Fig. 10

Fault

Fig. 11

Below Minimum

Fig. 12

Fig. 13

Pressure Gauge

8© Baxi Heating UK Ltd 2007

Clearances around the Boiler (Figs. 15 & 16)

1. The minimum clear spaces needed around the

boiler measured from the casing are as follows:

Top - 200mm

Bottom - 200mm

Both sides - 5mm

Front - 5mm (In Operation)

- 450mm (For Servicing)

2. These areas must not be obstructed in any way.

Blocking the clearance spaces may result in the

boiler overheating and damage may occur.

3. The gas burning compartment of your boiler is

completely sealed from the room in which it is fitted.

Products from the combustion of gas are vented to the

outside through the flue terminal which must be kept

free from obstruction as this would interfere with the

correct operation of the boiler.

4. The boiler may be installed in a cupboard if these

minimum clearances are kept. The compartment

should be large enough to house the boiler and

ancillary equipment only.

5. IT SHOULD NOT BE USED AS A STORAGE

CUPBOARD.

Check List

1. If a fault develops, or is suspected, call your

Installer or Service Engineer as soon as possible.

2. Go through the following check list before you make

contact.

a) Is the electricity supply on ?

b) Is the selector switch on (giving a green

“Power ON” light) and set for both Central Heating

and Domestic Hot Water ?

c) Is a fault suggested by the neon indicators ?

d) Is the gas supply on ?

e) Is the mains water supply turned on ?

f) Is the system pressure correct ?

g) Are the boiler temperature controls set high

enough ?

h) Is the time clock (if fitted) calling for central

heating ?

i) Is the room thermostat (if fitted) set high

enough ?

j) Are the radiator valves open ?

bar

Reset Burner On

Flame Failure

PowerOn

200mm Min

780mm

450mm

200mm Min

5mm Min

8mm Min

450mm Min

For Servicing

Purposes

Fig. 15

Fig. 16

In Operation

Cleaning the Outercase

The painted panels should be wiped with a damp

cloth and then dried completely. Do not use abrasive

cleaning agents.

Spare Parts

IMPORTANT - Only a competent person should be

used to service or repair this boiler.

1. Any repairs to the boiler will usually be the

responsibility of the Installer during the guarantee

period after which spare parts may be obtained

through approved Potterton stockists if required.

2. Quote the appliance name, model number and

where possible the part number when ordering

spares. A parts list is included in the Installation and

Servicing Instructions.

3. The name, model number, and serial number can

be found on a label on the inner face of the lower

right hand case panel (Fig 19).

10 © Baxi Heating UK Ltd 2007

Codes of Practice, most recent version should

be used

Legislation

This company declare that no substances harmful to

health are contained in the appliance or used during

appliance manufacture.

The appliance is suitable only for installation in GB

and IE and should be installed in accordance with

the rules in force, and only used in a suitably

ventilated location.

In GB, the installation must be carried out by a CORGI

Registered Installer. It must be carried out in accordance

with the relevant requirements of the:

• Gas Safety (Installation & Use) Regulations.

• The appropriate Building Regulations either The

Building Regulations, The Building Regulations

(Scotland), Building Regulations (Northern Ireland).

• The Water Fittings Regulations or Water Byelaws in

Scotland.

• The Current I.E.E. Wiring Regulations.

Where no specific instructions are given, reference

should be made to the relevant British Standard Code of

Practice.

In IE, the installation must be carried out by a competent

Person and installed in accordance with the current

edition of I.S. 813 ‘Domestic Gas Installations’, the

current Building Regulations and reference should be

made to the current ETCI rules for electrical installation.

All systems must be thoroughly flushed and treated

with inhibitor.

In GB the following Codes of Practice apply:

Standard Scope

BS 6891 Gas Installation.

BS 5546 Installation of hot water supplies for

domestic purposes.

BS 5449 Forced circulation hot water systems.

BS 6798 Installation of gas fired hot water boilers.

BS 5440 Part 1 Flues.

BS 5440 Part 2 Ventilation.

BS 7074 Expansion vessels and ancillary equipment

for sealed water systems.

BS 7593 Treatment of water in domestic hot water

central heating systems.

In IE the following Codes of Practice apply:

Standard Scope

I.S. 813 Domestic Gas Installations.

The following BS standards give valuable additional information;

BS 5546 Installation of hot water supplies for

domestic purposes.

BS 5449 Forced circulation hot water systems.

BS 7074 Expansion vessels and ancillary equipment

for sealed water systems.

BS 7593 Treatment of water in domestic hot water

central heating systems.

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