Bosch Appliances 440 manual Fig. a, Boiler Location and Clearances

INTRODUCTION

Fig. a.

Fig. b.

Fig. c.

Fig. d.

GENERAL NOTES

BOILER LOCATION AND CLEARANCES

This boiler is only suitable for installing internally within a property at a suitable location onto a fixed, rigid non-combustable surface at least the same size of the boiler and capable of supporting the boiler weight.

Compartments:

Follow the requirements of BS6798 and BS5440 Part 2 and note:

Minimum clearances must be maintained.

An access door is required for servicing and maintenance of the boiler.

If fitting the boiler into an airing cupboard use a non-combustable perforated material (maximum hole sizes of 13mm) to separate the boiler from the air space.

Service clearances. See Fig. a.

The diagram opposite shows the minimum space required to service the boiler only.

Unvented compartment clearances. See Fig. b.

The diagram opposite shows the minimum space required to install and service the boiler inside an unvented compartment.

*Space required for unvented areas with a removable door or panel.

**This space can be reduced to 50mm for one side only as long as both the side clearances add up to the total of both the side measurements shown or more.

Airing cupboard clearances. See Fig. c.

The diagram opposite shows the minimum space required to install and service the boiler within an airing cupboard.

Venting compartments. See Fig. d.

If the clearances are less than those stated for options c & d then ventilation must be provided as described in BS5440:

A minimum of 2 air vents (C) must be fitted, one at low level and another at high level onto the same wall using the same air for circulation.

Minimum free air required for both vents:

For air directly from outside: 148cm2 per vent.

For air from internal space/room: 296cm2 per vent.

6 BOILER LOCATION AND CLEARANCES WORCESTER BOSCH GREENSTAR HIGHFLOW 440 6 720 611 731a (08.04)