Wonderfire 037 Instructions de montage

INSTALLER’S GUIDE

Chamber box

Model 037

For use with Model 639 Decorative Fuel Effect Gas Fire Only

We trust that these instructions give sufficient details to enable this chamber box to be

installed and maintained satisfactorily. However, if further information is required, our

Wonderfire Technical Helpline will be pleased to help.

Please telephone 08706 061 065

INSTALLER: Please leave this guide with the owner

3003023/01

INSTALLER’S GUIDE

Page 2

CONTENTS

1. SAFETY ..........................................................................................................................2

2. LIST OF CONTENTS ...................................................................................................2

3. GENERAL INSTALLATION REQUIREMENTS ....................................................3

4. INSTALLATION OF CHAMBER BOX.....................................................................7

Method 1 - Front Fixing to Fireplace...............................................................................7

Method 2 - Cable Retention. ............................................................................................8

5. INSTALLING THE BURNER. ................................................................................. 10

6. FITTING THE DECORATIVE TRIM .................................................................... 11

7. CHECK FOR SPILLAGE ......................................................................................... 12

1. SAFETY

Installer

•Before continuing any further with the installation of this appliance please read the

following guide to manual handling

•The lifting weight of this chamber box is 13 kg. One person should be sufficient to lift

the chamber box. If for any reason this weight is considered too heavy then obtain

assistance.

•When lifting always keep your back straight. Bend your legs and not your back.

•Avoid twisting at the waist. It is better to reposition your feet.

•Avoid upper body/top heavy bending. Do not lean forward or sideways whilst

handling the chamber box.

•Always grip with the palm of the hand. Do not use the tips of fingers for support.

•Always keep the chamber box as close to the body as possible. This will minimise the

cantilever action.

•Use gloves to provide additional grip.

•Always use assistance if required.

2. LIST OF CONTENTS

Quantity Description

1 Chamber box

1 Accessory Pack

1 Trim Assembly

1 Self Adhesive smoke match test label.

Carefully remove the contents. Check that all the listed parts are present and in good

condition.

INSTALLER’S GUIDE

Page 3

3. GENERAL INSTALLATION REQUIREMENTS

As supplied the chamber box when fitted with the 639 gas fire can be installed as

below: -

3.1 To a fireplace as shown in figure 1 and complying with BS1251. The required

fireplace, hearth, and clearance dimensions are shown in figure 1.

Suitable flues and minimum flue sizes are as follows: -

225mm x 225mm conventional brick flue.

175mm diameter lined brick or stone flue.

200mm diameter factory made insulated flue manufactured to BS4543.

175mm diameter flue pipe. See BS6461 Part 1 for suitable materials.

3.1.1 The minimum effective height of the flue must be 3m.

3.1.2 The flue must not be used for any other appliance or application.

3.1.3 Any chimney damper or restrictor should be removed. If removal is not possible,

they must be secured in the open position.

3.1.4 If the appliance is intended to be installed to a chimney that was previously used

for solid fuel, the flue must be swept clean prior to installation. All flues should be

inspected for soundness and freedom from blockages.

3.1.5 The appliance must be mounted behind a non-combustible hearth (N.B.

conglomerate marble hearths are considered as non-combustible). The appliance can be

fitted to a minimum class “O” – 100°C surround. The hearth material must be at least

12mm thick. The periphery of the hearth (or fender) should be at least 50mm above floor

level to discourage the placing of carpets or rugs over it (See figure 1)

INSTALLER’S GUIDE

Page 4

3.1.6 The surface of the hearth must be sufficiently flat to enable the bottom of the

decorative trim to be aligned horizontally. Any excessive unevenness (uneven tiles,

Cotswold stone, etc.) should be rectified where necessary.

3.1.7 Combustible and non – combustible side projections or walls can be located within

10mm from the edge of the decorative trim. This 10mm is to allow for access during

servicing.

The surround that is part of the Liberty suite has been designed and tested for use with

chamber box.

Figure 1. Hearth and fireplace opening dimensions

INSTALLER’S GUIDE

Page 5

3.1.8 ‘Hole-in-the-wall’ Installations

•It is recommended that a hearth should be installed as in figure 1.

•If a Hearth is not fitted, the fire must be installed so that the distance from the base

of the fireplace opening in the wall to the finished floor level is 85mm minimum.

•The Liberty suite has been designed to meet the Hearth / Plinth requirements as in

figure 1.

3.1.9 If the Fireplace opening is greater than the acceptable dimensions given in this

guide, do not use the back of a fire surround or marble to reduce the opening. This may

cause cracking of the surround back or marble

3.1.10 The flue box must not stand on combustible materials or carpets.

The minimum height from the base of the fireplace opening to the underside of any shelf

made from wood or other combustible materials is as follows: -

•For a shelf up to 150mm deep

Minimum height = 860mm.

•For a shelf deeper than 150mm

860mm + 12.5mm for every 25mm depth over 150mm

(See Graph 1).

The surround which is part of the Liberty suite has been designed and tested for use

with chamber box.

Graph 1. Combustible shelf clearances.

INSTALLER’S GUIDE

Page 6

Figure 2. Dimensions (Shown with trim fitted)

INSTALLER’S GUIDE

Page 7

4. INSTALLATION OF CHAMBER BOX

INSTALLATION

4.1 Fireplace size

The fireplace must comply with the requirements described in section 3.

4.2 Fireplace flue pull.

Visually inspect the flue for any obstruction, and that a smooth transition from the

fireplace opening into the flue is available. Close all doors and windows in the room in

which the appliance is to be installed. After confirming with a match that smoke is drawn

into the flue, light a 13 gram smoke pellet and check that there is a definite flow through

the flue. Verify outside that the smoke exits from one terminal only and that the

termination is suitable. Observe, where possible, upstairs rooms and loft spaces for signs

of escaping smoke indicating a defective flue. If there is not a definite flow warm the flue

for a few minutes and repeat the smoke pellet test. If there is still no definite flow the flue

may need remedial work – Do not fit the appliance until there is a definite flow

through the flue.

1. Remove the paper backing from

the self-adhesive smoke match test

label. Place this carefully over the

smoke match test label on the data

plate attached to the model 639 gas

fire.

2. There is a length of self adhesive

foam seal supplied with the chamber

box. This will need to be fitted to the

outer rear edges of the side and top

flanges of the chamber box. Ensure

that there is no gap between the foam

seals where they meet at the top and

bottom flange (See figure 3)

Method 1 - Front Fixing to

Fireplace.

1. Make sure that the fireplace front

area is sound enough to take the

rawlplugs and woodscrews. If

necessary, make sound with a suitable cement.

Figure 3. Fitting the foam seal

INSTALLER’S GUIDE

Page 8

Figure 5. Eyebolt Positions

Figure 4. Front Fixing

2. Place the chamber box

centrally in the fireplace in

the position in which it is to

be permanently installed. If

a concealed connection is

being used, insert the

chamber box into the

fireplace feeding the supply

pipe through the pierced

hole in the rear seal/ floor

seal.

3. Mark the fireplace front

through the fixing holes in

the outer flanges of the

chamber box. See figure 4.

4. Remove the chamber

box. Drill holes in the

fireplace front at the

marked positions using

a no.12 masonry drill.

5. Insert a rawlplug into

each hole.

6. Place the chamber

box back in position in

the fireplace.

7. Fit a woodscrew

through each required

hole in the chamber box

flange and tighten to

seal the box to the

fireplace surround.

Method 2 - Cable Retention.

1. Make sure that the relevant areas at the fireplace back are sound enough to take the

eyebolts. If these areas have deteriorated due to prolonged use they should be made

sound with a suitable cement.

2. Drill four holes in the rear wall of the fireplace for the eyebolt plugs. The holes should

be drilled within the range of positions shown in figure 5 using a no.12 masonry drill.

The holes should be equidistant each side of the centre line of the fireplace to ensure that

the appliance finishes centrally in the opening when tension is applied to the cables.

INSTALLER’S GUIDE

Page 9

Figure 7. Lower Cable Retention

Figure 6. Lower Cable Retention

3. Insert a fibre plug into each hole.

Use the fibre plugs supplied with this

appliance - Never use plastic plugs

instead of the fibre plugs supplied.

Screw the eyebolts into the plugs.

Make sure that the bolts are secure.

4. The chamber box has two small

holes located on the bottom of the

side flanges. Insert one end of each

cable (one cable each side) from the

back through the lower of the two

holes and return the end through the

upper of the holes. See figure

6. Give the cables a pull so that

they grip against the chamber

box flanges.

5. Thread the cables through

the eyebolts. Bottom first, then

top. Return the cables through

the slotted holes near the top of

the chamber box side panel,

and through the “V” shaped

brackets on the inside of the

chamber box - See figure 7.

6. Place the chamber box fully

back into the fireplace opening

so that it is sealed against the fireplace front.

7. Fit a cable retainer over the end of each cable.

8. Pull each cable taut. Push the cable retainers hard up against the “V” brackets.

Tighten the screws in the retainers so that they clamp the cables in position. Apply

tension to the cables by turning the hexagonal adjusters by hand. See figure 7.

9. Inspect the installation of the chamber box against the fireplace. If the chamber box is

aligned squarely and the sealing is satisfactory, fully tighten the cable retainers.

10.If the chamber box is not correctly aligned, release the tension on the cables by

slackening the screws and turning the hexagonal adjusters fully anticlockwise. The

chamber box should then automatically realign itself. Pull each cable taut again and push

the cable retainers back against the “V” brackets. Again, tighten the screws in the retainers

and apply tension to the cables by turning the hexagonal adjusters clockwise as far as

possible.

INSTALLER’S GUIDE

Page 10

11. In front of the ‘V’ shaped brackets is a hole. Feed the free length of the cables into

these holes so that they are available to allow easy removal and refitting of the appliance

during subsequent service calls (See figure 7). Do not cut off the free lengths of cable

5. INSTALLING THE BURNER.

The burner position is pre set.

Under no circumstances must the

burner position be altered from that

shown in this section of the Installer’s

guide.

1Remove the bracket that is

attached to the rear of the front leg on

the burner. There are two holes in this

bracket. Locate these holes over the two

threaded studs in the base of the

chamber box. Secure the bracket in

place using the nuts supplied. (See

figure 8).

2Position the burner and casting so

that the burner assembly locates against

the bracket. The fuel bed support plate

on the rear of the burner must

touch the rear inner edge of

the casting. (See figure 9).

3Secure the burner

position by replacing the

screw previously removed

from the front of the burner

bracket.

4Continue the

installation of the supply

pipe and ceramic fuel bed as

in the installer’s guide for

the Model 639 Gas Fire.

Figure 9. Locating burner into the Liberty Casting

Figure 8. Locating the burner

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