Morso SQUIRREL 552 Instructions de montage

600B475/03

INSTALLER GUIDE

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

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

Technical Helpline will be pleased to help.

Telephone 08706 061 065 (National call rates apply in the United Kingdom)

In the Republic of Ireland call 0044 8706 061 065

Manufactured by Morsø Jernstøberi A/S, Furvej 6, 7900 Nykøbing Mors, Denmark

Distributed by Baxi Fires Division, Wood Lane, Erdington, Birmingham B24 9QP,

England

INSTALLER: Please leave this guide with the

owner

THIS APPLIANCE IS FOR USE WITH NATURAL GAS (G20)

WHEN CONVERTED USING CONVERSION KIT NO. 0555211 THIS

APPLIANCE IS FOR USE WITH PROPANE GAS (G31)

THIS APPLIANCE IS SUITABLE ONLY FOR INSTALLATION IN THE UNITED

KINGDOM (GB) AND THE REPUBLIC OF IRELAND (IE).

morsø

SQUIRREL

BALANCED FLUE

GAS STOVE

MODEL No. 552

LIST OF CONTENTS

Section Heading Page

1. SAFETY 2

2. APPLIANCE DATA 3

3. GENERAL INSTALLATION REQUIREMENTS 4

4. STOVE LOCATION 8

4.1 Preparing the Flue Hole - Timber Frame Buildings 8

4.2. Cut the flue to size 9

4.3 Fit to Wall 9

5. GAS SUPPLY CONNECTION 11

6. IGNITION CHECK 12

7. FITTING THE CERAMIC FUEL EFFECT

AND BURNER COMPARTMENT WALLS 12

8. FINAL CHECKS 15

9. FINAL REVIEW & SERVICING 16

10. FINAL REVIEW & SERVICING 16

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 appliance is 53.5 kg

!This stove is heavy. We therefore recommend that

two people should be sufficient

to lift the fire. If fitting or moving the appliance alone we recommend the use

of suitable lifting apparatus.

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 fire.

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

!Always keep the fire as close to the body as possible. This will minimise the

cantilever action.

!Use gloves to provide additional grip.

!Always use assistance if required.

Page 2

INSTALLER GUIDE

2. APPLIANCE DATA

This product uses fuel effect pieces and burner compartment walls containing

Refractory Ceramic Fibres (RCF), which are man-made vitreous silicate fibres.

Excessive exposure to these materials may cause irritation to eyes, skin and

respiratory tract. Consequently, it is important to take care when handling these

articles to ensure that the release of dust is kept to a minimum. To ensure that the

release of fibres from these RCF articles is kept to a minimum, during installation

and servicing we recommend that you use a HEPA filtered vacuum to remove any

dust and soot accumulated in and around the fire before and after working on the

fire. When replacing these articles we recommend that the replaced items are not

broken up, but are sealed within a heavy duty polythene bag, clearly labelled as

RCF waste. This is not classified as “hazardous waste” and may be disposed of at a

tipping site licensed for the disposal of industrial waste. Protective clothing is not

required when handling these articles, but we recommend you follow the normal

hygiene rules of not smoking, eating or drinking in the work area and always wash

your hands before eating or drinking.

This appliance does not contain any component manufactured from asbestos or

asbestos related products.

* When converted using Kit 0555211

Page 3

INSTALLER GUIDE

Gas Natural (G20) Propane (G31) *

Inlet Pressure 20mbar 37mbar

Input - Max. (Gross) 4.3kW (14,670 Btu/h) 4.6kW (15,695 Btu/h)

Input - Min. (Gross) 1.5kW (5,120 Btu/h) 1.6kW (5,460 Btu/h)

Output - Max. 3.5kW (11,945 Btu/h) 3.8kW (12,965 Btu/h)

Output - Min. 1.2kW (4,095 Btu/h) 1.3kW (4,435 Btu/h)

Burner Test Pressure (Cold) 19.6 ± 0.75mbar (7.86 ±

0.3in w.g.) 35.9 ± 0.75 mbar (

14.41 ±

0.3in w.g.)

Gas Connection 8mm pipe 8mm pipe

Burner Injector Cat 82 - 280 Cat 92 - 140

Ignition Piezo Electric. Integral with

Gas Tap

Piezo Electric. Integral with

Gas Tap

Gas Rate 0.412m³/hr 0.166m³/hr

Efficiency class 1 1

3. GENERAL INSTALLATION REQUIREMENTS

3.1 The installation must be in accordance with these instructions.

For the user’s protection, in the United Kingdom it is the law that all gas appliances are

installed by competent persons in accordance with the current edition of the Gas Safety

(Installation and Use) Regulations. Failure to install the appliance correctly could lead

to prosecution. The Council for the Registration of Gas Installers (CORGI) requires its

members to work to recognised standards.

In the United Kingdom the installation must also be in accordance with:

! All the relevant parts of local regulations.

! All relevant codes of practice.

! The relevant parts of the current editions of the following British Standards: -

BS 1251

BS 5440 Part 1

BS 4543 Part 2

BS 5440 Part 2

BS 5871 Part 1

BS 6891

In England and Wales, the current edition of the Building Regulations issued by the

Department of the Environment and the Welsh Office

In Scotland, the current edition of the Building Standards (Scotland) Regulations issued

by the Scottish Executive.

In Northern Ireland, the current edition of the Building regulations (Northern Ireland)

issued by the Department of the Environment for Northern Ireland.

In the republic of Ireland the installation must be carried out by a competent person and

installed in accordance with:

a) The current edition of IS 813 “Domestic gas installations”

b) All relevant national and local rules in force.

c) The current building regulations

Where no specific instructions are given, reference should be made to the relevant

British Standard Code of Practice.

The hearth

must be made from a non-combustible material and be at least 400mm wide

x 420mm deep x 12mm thick.

Clearances from combustible and non-combustible materials must be at least those

shown in figure 1

Page 4

INSTALLER GUIDE

The outside wall thickness must meet the conditions shown in figure 1.

The flue terminal position must meet the conditions shown in figure 2.

The flue details are shown in figure 1

Page 5

INSTALLER GUIDE

Figure 1.

*In addition, the terminal should not be nearer than 300mm to an opening in the

building fabric formed for the purpose of accommodating a built-in element such as a

window frame or door frame. See figure 3.

Terminal Position

MinimumDistance

A* Directly below an opening, air brick, opening window etc. 300mm

B* Above an opening, air brick, opening window etc. 300mm

C* Horizontally to an opening, air brick, opening window etc. 300mm

DBelow gutters, soil pipes or drain pipes 300mm

EBelow eaves 300mm

FBelow balconies or car port roof 600mm

GFrom a vertical drain pipe or soil pipe 75mm

HFrom an internal or external corner 600mm

IAbove ground, roof or balcony level 300mm

JFrom a surface facing the terminal 600mm

KFrom a terminal facing the terminal 600mm

LFrom an opening in a car port (e.g. door, window) into

dwelling 1200mm

MVertically from a terminal on the same wall 1500mm

NHorizontally from a terminal on the same wall 300mm

OFrom the wall on which the terminal is mounted N/A

PFrom a vertical structure on the roof N/A

QAbove intersection with roof N/A

Page 6

INSTALLER GUIDE

Figure 2

Ventilation: In the United Kingdom (GB) no special ventilation bricks or vents are

required in the room containing this appliance.

In the Republic of Ireland (I.E.), reference should be made to the current edition of IS

813 “Domestic gas Installations” which makes clear the conditions that must be met to

demonstrate that sufficient ventilation is available.

Propane gas

appliances must not be installed in a cellar, basement or other room which

is built entirely below ground level (See Gas Safety (Installation & Use) Regulations).

A fireguard complying with BS 8423 should be fitted for the protection of young

children, the elderly, or the infirm. Such a guard is also recommended for the protection

of pets.

Installation to a timber-framed building should be in accordance with the relevant

sections of The Institute of Gas Engineers publication IGE/UP/7 "Gas installations in

timber frame buildings".

Please note that advice should be sought before installing in a timber frame building

since the alterations required may nullify any NHBC cover relating to the property. If in

doubt, guidance should be requested from your local authority planning or building

department.

Page 7

INSTALLER GUIDE

Figure 3

Soft wall coverings (e.g. embossed vinyl etc.) are easily affected by heat. They may

therefore, scorch or become discoloured when close to a heating appliance. Please bear

this in mind when installing.

The Building Regulations require a terminal guard to be fitted if the terminal could

come into contact with people near the building or be subject to damage.

Fitting a terminal guard is recommended where contact with or damage to the terminal

is possible even if regulations do not demand it.

4. STOVE LOCATION

1. Place the stove in position and mark the centre of the flue. For timber framed

buildings make sure that the flue opening will be between studs. Ensure that the

minimum dimensions specified in figures 1, 2 & 3 are adhered to.

Move the stove clear to allow room for cutting the flue hole. Place dust sheets on the

floor and any furnishings.

3. Core Drilling:

Drill a pilot hole through the wall. Inspect the hole to ensure that it is

in the brickwork and not in mortar. If it is in mortar, it is advisable to reposition the

hole approximately 25mm away - Make sure that the minimum side clearances and

height (See figures 1, 2 & 3) are complied with.

Drill the flue hole with a 152mm (6in) core drill. Where practical, it is recommended

that the hole is drilled from inside the building to about half the wall depth with the

remainder drilled from outside. This ensures that the edges of the hole are clean on

both sides.

Hammer & Chisel Cutting: Mark a 152mm (6in) diameter circle for the flue hole.

Chisel out the area marked. It may be necessary to make good both the internal and

external wall faces. To achieve a neat finish and to make any future removal of the flue

unit easier, it is recommended that a cardboard cylinder is formed around the flue unit

and inserted in the hole while making good. Remove the cardboard cylinder after

making good.

3.1 Preparing the Flue Hole - Timber Frame Buildings:

!Drill the pilot hole and hole in outer wall as above.

Since the flue will pass through combustible material in the inner leaf of the wall,

a non-combustible sleeve 203mm (8in.) diameter will be required round the flue. See

figure 4.

!Cut a hole through the inner leaf to accommodate a non-combustible sleeve

203mm (8in.) outside diameter. To minimise the effect of breaking through the vapour

control layer (VCL), if possible, cut the hole approximately 10mm undersize so that the

sleeve will be forced through the layer. A recommended technique for cutting the inner

Page 8

INSTALLER GUIDE

leaf is shown in figure 3.

Fit the non-combustible sleeve to the inner leaf. The sleeve must extend to be at

least flush with the

breather membrane /

timber sheathing but

must not protrude more

than 10mm into the

cavity.

!The annular gap

between the flue unit and

the sleeve must be sealed

to prevent air heat and

moisture passing along

it.

3.2. Cut the flue to

size

!Measure the total

wall thickness.

!Measure the

distance from the inside

face of the wall to the back of the stove.

!Add the above two measurements and add a

further 95mm.

!Mark the flue at this total distance

measured from the terminal end. See figure 5.

!Insert the polystyrene ring between the

inner and outer flue tubes to support them.

!Cut both tubes squarely at the marked

position. Important: Remove all polystyrene from

the flue unit after cutting.

3.3 Fit to Wall

Fit the flue tubes firmly over the spigots at the rear of the stove. Make sure that

the seam on the flue tube is not at the bottom. Push on firmly.

Secure the flue to the fire by drilling through the outer flue tube and outer spigot

at a distance of between 6mm & 7mm from the cut end of the outer flue tube and

securing with the two no.6 self tapping screws supplied.

!Seal the flue unit all round the circumference of the outer spigot with the tape

supplied.

Page 9

INSTALLER GUIDE

Figure 5

Figure 4

!Timber frame buildings:

Fit a drip collar round the flue positioned so that it will

be located in the centre of the wall cavity - see figure 6. The drip collar can be made by

wrapping a non-corrosive wire round the flue or moulding a bead of mastic round the

flue.

!Offer the fire

complete with flue

unit through the

wall

!Timber frame

building with

combustible outer

leaf (e.g. shiplap

boarding): A metal

or other non-

combustible end

plate must be fitted

on the outside of the wall. The plate must be

concentric with the flue and at least 254mm (10in)

square or diameter. See figure 6.

!Seal the outer flue tube to the outside surface

of the wall with fireclay or cement. Make sure

that the slots in the flue terminal are not closer

than 8mm to the wall and are not obstructed by

cement.

3.4 Fit the Terminal Guard

!Place the guard centrally over the flue

terminal with the fixing ears at each side - not at

the top and bottom. See figure 7.

!Holding the guard in position and using it as

a template, mark on the wall the positions of the

four fixing holes.

!Remove the guard. Drill and plug the holes

!Replace the guard fixing with suitable screws

Page 10

INSTALLER GUIDE

Figure 7

Figure 6

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