Baxi Potterton Boiler Spezifikationen PDF herunterladen (Seite 3)

Introduction Page 3

SAFETY, PERFORMANCE & QUALITY

This appliance has been assessed by a Government

appointed Notified Body and shown to meet the '‘ssential

Requirements’ of the European Gas Appliance Directive

The Directive lays down requirements for the safety and

efficiency of the appliance, together with its design,

construction, and use of materials.

It also requires the production process to be covered by an

approved and monitored system of quality assurance.

About the Boiler

• The Combi 80 adjusts automatically to provide central

heating outputs between 24 kW (81,880 Btu/h) and 10.4

kW (35,480 Btu/h) to suit the system requirements.

• The boiler is designed for use with fully pumped sealed

system only.

• It is supplied fully tested and assembled with a

circulating pump, diverter valve, pressure gauge,

pressure relief valve, and expansion vessels.

IMPORTANT

This appliance has been certified for safety. It is therefore

important that no external control device (e.g. flue dampers,

economisers, etc.) be directly connected to the appliance

unless covered by these Installation & Service Instructions or

otherwise recommended in writing.

Any direct conenction of a control device not approved by

Potterton Limited, could invalidate the CE Certification and

normal appliance warranty.

• The appliance has two completely separate heating

systems embedded into a copper heat exchanger. Both

systems are completely independent.

Central Heating: A central heating switch controls the

choice of service between central heating and hot water

only. The boiler water flow system is shown in Fig. 1.

With the central heating switch set to 'Off' and the boiler

switch set to 'On', the combination boiler fires only when

hot water is drawn off.

Codes of Practice

• The boiler must be installed in accordance with: The

Gas Safety (Installation & Use) Regulations 1998 and

the current issue of:-

The Building Regulations, Building Standards (Scotland)

Regulations, Local Building Regulations, Model & Local

Water Undertaking Bye Laws. I.E.E Regulations, Health

and Safety Document No.635. (The Electricity at Work

Regulations 1989), BS. 6891, BS. 6798, BS. 5449, BS.

5546, BS. 5440:1, BS. 5440:2, BS 7593 & BG. DM2.

• Samples of the Combi 80 combination boiler have been

examined by Gastec, a Netherlands Notified Body. The

range is certified to comply with the essential

requirements of the Efficiency Directive 92/42/EEC, the

Gas Appliance Directive 90/396/EEC, the Low Voltage

Directive 72/23/EEC and shows compliance with the

Electro Magnetic Compatibility Directive 89/336/EEC

and are therefore permitted to carry the CE Mark.

• The appliance has been tested and approved by the

WRc as meeting the requirements of G3 and L of the

Building regulations and water Bylaws Scheme -

Approved Products.

With the central heating switch set to 'Timed' the boiler

will operate the central heating for the time periods set

on the optional internal or externally mounted

timeclocks. If 'Constant' is selected the boiler will

operate continuously.

The central heating is supplied at a pre-set temperature

determined by the central heating thermostat setting.

If domestic hot water is drawn off while the central

heating is running the combination boiler will

automatically transfer the boiler heat output to the

domestic hot water supply.

Domestic Hot Water: Domestic hot water has priority

over the central heating system and is generated

instantaneously within the appliance.

At the minimum hot water draw-off rate the maximum

temperature is limited to 70 °C by the modulating gas

control.

• Data plates are positioned on the front of the air box

door and a boiler serial badge is on the underside of the

air box. A duplicate serial badge is positioned on the

underside of the case base for customer reference.

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