Baxi Duo-tec 2 Combi 24 GA Guide d'installation télécharger pdf (Page 22)

9.0 Installation

9.1 Unpacking & Initial Preparation

IMPORTANT

RISK ASSESSMENT - Before commencing the installation

it is recommended that the ‘Five Steps to Risk

Assessment’ document published by the HSE is

consulted, and an assessment performed as described.

GAS SUPPLY - The gas supply, gas type and pressure

must be checked for suitability before connection (see

Section 7.4).

NOTE: A small amount of water may drain from the boiler

in the upright position. If pre-plumbing it will be necessary

to turn the carton over to access the wall plate first.

1. Remove staples, open flaps and remove the cardboard

sheet. Remove the polystyrene side pieces and literature. Two

people can then lift out the boiler (Fig. 17).

2. After considering the site requirements

(see Section 7.0) position the fixing template on the wall

ensuring it is level both horizontally and vertically.

3. Mark the position of the two most suitable fixing slots for

the wall plate and boiler lower fixing holes.

4. Mark the position of the centre of the flue hole (rear exit).

For side flue exit, mark as shown (Fig. 18).

5. If required, mark the position of the gas and water pipes.

Remove the template.

6. Cut the hole for the flue (minimum diameter 116mm).

7. Drill the wall as previously marked to accept the wall plugs

supplied. Secure the wall plate using the fixing screws.

8. Using a spirit level ensure that the plate is level before finally

tightening the screws.

9. Connect the gas and water pipes to the valves on the wall

plate using the copper tails supplied. Ensure that the sealing

washers are fitted between the connections.

NOTE: 40kW models ONLY - ensure the flow restrictor is

inserted in cold water inlet connection (Fig. 19). On other

models the restrictor is factory fitted internally.

10. Fit the filling loop as described in the instructions supplied

with it.

9.2 Flushing

1. Connect a tube to the heating flow or return pipe (Fig. 20).

2. Flush thoroughly (see System Details, Section 6.2).

Fig. 20

150mm

For Side Flue Exit

Heating Return

Flushing Tube

Fig. 18

Fig. 17

Heating Flow

3/4” BSP

Connections

Fig. 19

200 mm

Recommended

Pressure

Relief

Valve

(15mm)

Condensate

Drain

Part No. 720636602

65 mm 65 mm 65 mm 65 mm

5 mm Minimum

Side Clearance

5 mm Minimum

Side Clearance

Boiler Mounting Bracket

Fixing Slots

116mm Dia Minimum

Aperture For Flue Tube

Side Flue

Centre Line

Vertical Flue

Centre Line

175 mm

Minimum

Clearance

Profile of

Outercase

Ø 8 mm

177 mm

45 mm

50 mm

95 mm

Part No. 720636602

Hot Water

Outlet

(15mm)

Cold Water

Inlet

(15mm)

Heating

Return

(22mm)

Heating

Flow

(22mm)

Gas

Inlet

(22mm)

150 mm

Minimum

Clearance

Flow Restrictor

(40 kW model only)

Wall Template

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 55 56

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Baxi Duo-tec 2 Combi 24 GA Guide d'installation Page 22

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