Baxi Potterton Promax Combi HE Plus A Range Service Manual download pdf (Page 16)

7.0 Site Requirements

7.1 Location

NOTE: Due to the high efficiency of the boiler a

plume of water vapour will be discharged from the

flue. This should be taken into account when siting

the flue terminal.

1. The boiler may be fitted to any suitable wall with the

flue passing through an outside wall or roof and

discharging to atmosphere in a position permitting

satisfactory removal of combustion products and

providing an adequate air supply. The boiler should be

fitted within the building unless otherwise protected by a

suitable enclosure i.e. garage or outhouse. (The boiler

may be fitted inside a cupboard - see Section 7.2).

2. If the boiler is sited in an unheated enclosure then it is

recommended to incorporate an appropriate device for

frost protection in the system controls.

3. If the boiler is fitted in a room containing a bath or

shower, it can only be fitted in zone 3, (Figs. A & B shows

zone dimensions for a bathtub. For other examples refer

to Section 601 of the Current I.E.E. Wiring Regulations)

reference must be made to the relevant requirements.

In GB this is the current I.E.E. Wiring Regulations and

Building Regulations.

In IE reference should be made to the current edition of

I.S. 813 “Domestic Gas Installations” and the current

ETCI rules.

4. The boiler installation does not require any specific

safety precautions in respect of flammable building

materials. However, if the boiler is to be fitted into a

building of timber frame construction then reference

must be made to the current edition of Institute of Gas

Engineers Publication IGE/UP/7 (Gas Installations in

Timber Framed Housing).

7.2 Ventilation of Compartments

1. Where the boiler is installed in a cupboard or

compartment, no air vents are required for cooling

purposes providing that the minimum dimensions below

are maintained.

Sides 15mm

Top 200mm

Bottom 50mm

Front 30mm

2. If the boiler is installed in a smaller cupboard or

compartment it must be ventilated according to

BS 5440 Part 2 and the minimum clearances given in

section 4.0 “Technical Data” maintained.

3. Any compartment should be large enough to house

the boiler only.

NOTE: The ventilation label on the front of the outer

case MUST NOT BE REMOVED when the appliance is

installed in a compartment or cupboard.

Zone 2

Zone 1

Zone 0

Zone 2

Zone 3

Zone 2

Window

Recess

Window

Recess

0.6 m

2.4 m

Ceiling

Outside

Zones

Outside Zones

Zone 3

Zone 2

Zone 1

Zone 0

2.25 m

Zone 2

Window

Recess

3.0 m

2.4 m

0.6 m

Fig. A

Fig. B

In GB Only

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 59 60

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Baxi Potterton Promax Combi HE Plus A Range Service Manual Page 16

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