FDC ENIGMA II SLIMLINE SLIDE User manual

ENIGMA II
SLIMLINE SLIDE
OWNER'S
MANUAL
Please read these instructions carefully before you start
using the appliance
eep this booklet handy for future reference
This appliance is
for use in GREAT BRITAIN or
IRELAND only

LT4935 (1:01/08) 2
ENIGMA II SLIMLINE SLIDE Owner's Manual
CONTENTS
PAGE
USERS INSTRUCTIONS
SECTION ONE Important Information 3
SECTION TWO Operating the Appliance 4
SECTION THREE Fuel Bed Layout 5
SECTION FOUR Cleaning 9
SECTION FIVE General Points 10
INSTALLATION INSTRUCTIONS
SECTION SIX Appliance Data 11
SECTION SEVEN Regulations & Warnings 11
SECTION EIGHT Siting the Appliance 13
Class One 13
Class Two Pre-cast 13
Class Two Fabricated Metal 14
Clearance to Shelf or Surround 14
Clearances at Side of Fire 14
SECTION NINE To Install the Appliance 15
Checking the Flue and Fire Opening 15
Connecting the Gas Supply 15
Fixing Back to Opening 16
Optional Cable Fixing System 17
Gas Soundness Test 17
Check Burner Pressure and General Operation 18
SECTION TEN Checking Operation of Fire 19
Checking Product Clearance 19
Fit Fire Front and Trim 19
Advise Customer 19
MAINTENANCE INSTRUCTIONS
SECTION ELEVEN Maintenance 20
Replacement of Gas Control 20
Replacement of Injector 21
Replacement of Silencer 21
Replacement of Oxy-Pilot Assembly 21

LT4935 (1:01/08) 3
ENIGMA II SLIMLINE SLIDE Users Instructions
SECTION ONE Important Information
Consumer Protection Information
As manufacturers and suppliers of eating products, we take every care, as far as is reasonably
practicable, t at t ese products are so designed and constructed as to meet t e general safety
requirement w en properly used and installed. To t is end, our products are t oroug ly tested
and examined before despatc .
IMPORTANT NOTICE: Any alteration t at is not approved by t e appliance manufacturer could
invalidate t e approval of t e appliance, operation of t e warranty and could affect your
statutory rig ts.
Health and Safety otice
Important
T is appliance could contain some of t e materials, indicated below, t at could be interpreted
as being injurious to ealt and safety. It is t e users / installers responsibility to ensure t at t e
necessary personal protective clot ing is worn w en andling t ese materials, see below for
information.
Artificial Fuels, Mineral Wool, Insulation Material, Refractory/Ceramic Fibres, Glass Yarn -
may be harmful if inhaled, may be irritating to skin, eyes, nose and throat.
When handling avoid inhaling and contact with skin or eyes. Use disposable gloves,
facemasks and eye protection. After handling wash hands and other exposed parts. If a vacuum
is used for cleaning the coals or cleaning after servicing / installation it is recommended that it
be of the type fitted with a H PA filter .
Disposal of refractory/ceramic materials. To keep dust to a minimum these materials
should be securely wrapped in polythene and be clearly labelled ‘RCF waste’. These
materials are not classified as ‘hazardous waste and should be disposed of at a site
licensed for the disposal of industrial waste.
• T e ENIGMA II SLIMLINE SLIDE is a decorative fuel effect appliance wit a radiant eat
conserver box for improved efficiency.
• T is appliance is intended for decorative purposes.
• T e ENIGMA II SLIMLINE SLIDE is designed and tested to t e requirements of t e EN 509.
• T e appliance is for use on Natural Gas only and s ould be installed by a competent person
i.e. CORGI-registered, in accordance wit t e GAS SAFETY (INSTALLATION AND USE)
REGULATIONS.
• T e c imney or flue (unless new or previously used wit a gas appliance) must be swept
before installation if it as been used for solid fuel.
WARNING
T is appliance as a naked flame, as wit all suc fires it is recommended t at a fireguard
s ould be used for t e protection of c ildren, t e elderly and infirm. Fireguards s ould conform
to BS 6539 (1984) (Fireguards for use wit solid fuel appliances).

LT4935 (1:01/08) 4
ENIGMA II SLIMLINE SLIDE Users Instructions
SECTION ONE Important Information Continued
INTRODUCTION
T e ENIGMA II SLIMLINE SLIDE incorporates a single gas control, w ic selects ignition pilot,
low or ig settings. It is operated via a slide lever on t e upper rig t and side of t e appliance.
T e appliance incorporates a safety device in t e form of an Oxygen Depletion System, w ic
constantly monitors t e oxygen in t e room and will cause t e fire to switc off if t e oxygen
level reduces, for instance due to insufficient ventilation or a blocked flue.
If t is regularly occurs do not attempt to relig t t e appliance until a qualified engineer as
c ecked it, t e problem may not be due to lack of air or a defective flue.
A fire front (fret) must be used wit t is appliance.
SECTION TWO Operating the Appliance
THE FULL LIGHTING PROCEDURE IS AS FOLLOWS: -
a. Pus slide control lever down, as far as possible a clicking noise will be eard and pilot
will lig t, HOLD DOWN FIRMLY FOR ABOUT 20 SECONDS.
b. Allow t e lever to spring up t e pilot lig t s ould remain alig t and t e main burner
s ould lig t on its low setting.
c. S ould t e pilot fail to lig t, pull t e lever fully up to turn off t e appliance, wait 3 minutes
and repeat t e procedure (a &b). If t e pilot does not lig t and no clicking noise is eard
replace t e battery and try again.
d. After lig ting t e pilot flame and t e main burner on its low setting t e control lever may
be lifted until slig t resistance is felt, t is will put t e burner on its ig setting.
e. To completely extinguis t e fire, pull t e lever up past t e resistance to its fullest extent.
T e fire may be operated on eit er its low or ig setting.
f. It is recommended t at t e appliance be operated on its ig setting for a s ort period
before adjusting to t e low setting.
g. If t e ignition does not operate fit a new 9V battery (PP3/MN1602) to t e ignition unit,
located be ind t e fret adjacent to t e gas inlet pipe, and repeat ignition procedure prior
to reporting a fault.
Note: - If t e ignition fails t e pilot can be lit wit a taper or a matc eld at t e pilot ead.
Remove fret for access and replace after lig ting.
If t e fire is extinguis ed for any reason wait 3 minutes before reliting.

LT4935 (1:01/08) 5
ENIGMA II SLIMLINE SLIDE Users Instructions
SECTION THREE Fuel Bed Layout
It is important t at all t e fuel bed and moulded s apes are positioned as s own in t ese
instructions.
Two Alternative Fuel beds are available: -
A) Coal
B) Pebble
Identify t e fuel bed and assemble as s own below.
COAL FUEL BED
Some soot deposits will form on the coals, this is perfectly normal and adds to the
realism of the appliance.
USE ONLY THE COALS PROVIDED AND NO ADDITIONAL COALS MUST ADDED.
T e Loose coal set consists of: -
• Rear Matrix
• Front Coal
• Loose Coals – 20 ripped coals.
• Ensure t e rear matrix is in position
as s own. Positioned well back
against the rear of the appliance.
Make sure that it does NOT sit on
top of the burner outlet slot as
shown.
• Ensure t e front coal is in front of
t e burner slot and centralised as
s own.

LT4935 (1:01/08) 6
ENIGMA II SLIMLINE SLIDE Users Instructions
SECTION THREE Fuel Bed Layout Continued
• Place six coals on t e top of t e front
matrix as s own. Arrange to coals to
ave roug sides forward and make
sure t at t ey are stable in t eir
positions.
• Place five coals between t e first row of
coals and t e rear matrix as s own.
Arrange t em to look as random as
possible wit out projecting too far into
t e slots in t e matrix.
• Place five coals on top of t e rear
matrix as s own.
• Place t e remaining four coals as
s own.

LT4935 (1:01/08) 7
ENIGMA II SLIMLINE SLIDE Users Instructions
SECTION THREE Fuel Bed Layout
It is important t at all t e fuel bed and moulded s apes are positioned as s own in t ese
instructions.
PEBBLE FUEL BED
Some soot deposits will form on the pebbles, this is perfectly normal and adds to the
realism of the appliance. Some heat discolouration of the firebox sides is also perfectly
normal and does not detract from the operation of the fire.
USE ONLY THE PEBBLES PROVIDED - NO ADDITIONAL PEBBLES MUST ADDED.
T e Loose pebble set consists of: -
• Rear Matrix
• Front Matrix
• Loose Pebbles – 14 Large, 3 Small. Grey and beige colour quantities may vary.
• Position t e rear matrix as s own
and make sure t at it is pus ed
back as far as possible.
• Position and ensure t e front
matrix is located be ind t e burner
fascia as s own.
• Make sure that the burner slot is
clear as shown in the photo.

LT4935 (1:01/08) 8
ENIGMA II SLIMLINE SLIDE Users Instructions
SECTION THREE Fuel Bed Layout Continued
• Place five large pebbles as s own.
So t at t ey sit on t e Front Matrix
in t e indents provided. C eck t at
t ey are stable against t e rear
matrix by putting slig t pressure on
t em wit your fingers. Re-position
any t at are unstable. Mix t e two
grey and beige colours to give a
pleasing layout.
• Place t e second row of five large
pebbles as s own. Again mix t e
colours.
• Place t e top row of four pebbles on
top of t e rear matrix as s own.
• Place t e t ree small pebbles as
s own on t e very top of t e pebble
layout. Place t e two outside ones at
t e extreme edges of t e top row as
s own to elp keep flames off t e
sides of t e firebox.
• Check stability of the layout and
improve as necessary. T e
pebbles are oval in s ape and ave
a flat bottom so as to enable various
positions to be tried to ensure
stability

LT4935 (1:01/08) 9
ENIGMA II SLIMLINE SLIDE Users Instructions
SECTION FOUR Cleaning
Warning: -Before you clean any part of t e appliance ensure t at t e appliance is turned off
and cool.
CLEANING: DECORATIVE TRIM
•
T e finis of t e trim is coated wit a ig temperature lacquer, it can be wiped wit a soft,
clean, dry, clot only.
• T e trim s ould be removed for cleaning. T e fret s ould be removed before removing t e
trim, w ic is eld in place by four magnetic strips.
CLEANING: BLAC PAINTED or CHROME EFFECT SURFACES
•
T ese surfaces s ould be dusted regularly and any marks removed wit a soft clot .
• Abrasive or c emical cleaner s ould never be used.
CLEANING COALS, PEBBLES and CERAMIC PARTS
Important: - Refer to the ‘Heath & Safety Noti e lo ated on page 3 of this
booklet before leaning or repla ing any refra tory material.
•
T e coals & pebbles are delicate and t ey s ould be andled wit great care.
• T e loose coals may be removed for cleaning. T ey can be brus ed very gently wit a soft
brus to remove dust or any deposits.
• Care s ould be taken to avoid contact wit t e refractory lining, t is is a delicate surface and
s ould not be wiped or rubbed.
• A vacuum cleaner may only be used after all t e loose coals ave been removed.
SECTION FIVE General Points
Like all appliances incorporating an aerated burner a Low frequency noise may be eard,
particularly on t e Low setting, t is is quite normal and does not affect t e operation of t e
appliance.
It is advised t at t e ENIGMA II SLIMLINE SLIDE OR 4 TC Lo fire is serviced annually t is is
more likely to provide trouble-free operation.
It is important t at: -
• T e c imney or flue is c ecked annually to ensure clearance of combustion products.
• T e fire does not normally require purpose-built ventilation but if for any special reason
purpose-built ventilation is provided it s ould be c ecked periodically to ensure freedom from
obstruction.
• Any debris from t e c imney or flue s ould be removed. T e fire s ould be allowed to cool
for t ree to four ours before it is removed.
• Rubbis must not be t rown onto t e coal bed under any circumstances.
• T e cast fire front must be positioned in front of t e fire w ilst it is burning
T e only user removable parts are: -
• Cast fret
• Loose fuel bed components
• Decorative effect trim

LT4935 (1:01/08) 10
ENIGMA II SLIMLINE SLIDE Installation Instructions
SECTION SIX Appliance Data
Category of appliance: BII
AS
Category I
2H
Overall dimensions: Heig t 605mm (or 555mm for t e Lo version)
Widt 505mm
Forward Projection: 75mm, (From fireplace opening including fret.)
Weig t: 11kg (Boxed excluding fret) 16.5kg (wit fret)
9.5kg (Unboxed excluding fret)
Gas Type: G20 Natural Gas
Gas Pressure: 20 mbar +/- 1.0mbar
Pressure Test Point Location: Gas inlet elbow
Gas Input (Gross): 7.0 kW (Maximum) 2.4 kW (Minimum)
Injector: Marked 460
Gas Connection: 8.0mm O/D, tube.
Data Badge Location: Be ind t e decorative trim
NOTE: T e efficiency of t is appliance as been measured as specified in BS7977-1 2002 and
t e result is 44.4%. T e gross calorific value of t e fuel as been used for t is efficiency
calculation. GasTec ave certified t e test data from w ic it as been calculated. T e
efficiency value may be used in t e UK Government’s Standard Assessment Procedure (SAP)
for energy rating of dwellings.
PAC CONTENTS
Refractory Fuel Bed Components
Appliance Rear Matrix
Owners Instruction Front Matrix
Wire Fixing Kit Loose Coals
Foam Seal
Trim or Loose Pebbles
Fret
SECTION SEVEN Regulations and Warnings
• THIS APPLIANCE MUST ONLY BE INSTALLED IN GREAT BRITAIN OR IRELAND.
• THE APPLIANCE IS SUITABLE FOR USE ON NATURAL GAS ONLY.
• THE APPLIANCE IS INTENDED FOR DECORATIVE PURPOSES.
• (GB) NO SPECIAL VENTILATION BRIC S OR VENTS ARE REQUIRED INTO THE
ROOM CONTAINING THE APPLIANCE, PROVIDING NORMAL ADVENTITIOUS ROOM
VENTILATION EXISTS. THE INSTALLER MUST SATISFY THIS POINT BY CARRYING
OUT THE MANDATORY SPILLAGE TEST.
• (IE) PERMANENT VENTILATION MUST COMPLY WITH THE REGULATIONS
CURRENTLY IN FORCE.
• IT IS THE LAW THAT ALL GAS APPLIANCES MUST BE INSTALLED BY A
COMPETENT PERSON; I.E. A CORGI REGISTERED INSTALLER, IN ACCORDANCE
WITH THE CURRENT GAS SAFETY (INSTALLATION AND USE) REGULATIONS (AS
AMENDED), ALL RELEVANT PARTS OF THE LOCAL AND NATIONAL BUILDING
REGULATIONS AND ALL RELEVANT RECOMMENDATIONS OF THE FOLLOWING
BRITISH STANDARDS. FAILURE TO DO SO COULD LEAD TO PROSECUTION.

LT4935 (1:01/08) 11
TYPICAL VENTILATION OPENING
ASHTRAY COVER
ENIGMA II SLIMLINE SLIDE Installation Instructions
SECTION SEVEN Regulations and Warnings Cont.
THE FOLLOWING ARE RELEVANT CODES OF PRACTICE AND BRITISH STANDARDS: -
BS 5871 BS 8303
BS 5440 PART 1 BS 1251
BS 6891 BS 6461 PARTS 1 AND 2
BS 715 BS 1289 PART 1
Note:- This appliance must be installed to current versions of the above standards and
include any relevant amendments.
THE BUILDING REGULATIONS ISSUED BY THE DEPARTMENT OF THE ENVIRONMENT.
THE BUILDING STANDARDS (SCOTLAND) (CONSOLIDATED) REGULATIONS ISSUED BY
THE SCOTTISH DEVELOPMENT OFFICE.
PRIOR TO THE INSTALLATION ENSURE THAT THE LOCAL DISTRIBUTION CONDITIONS
(IDENTIFICATION OF TYPE OF GAS AND PRESSURE) AND ADJUSTMENT OF THE
APPLIANCE ARE COMPATIBLE. (G20 @ 20mbar)
WARNINGS
• T is appliance as a naked flame, and wit all suc fires, it is recommended t at a fireguard
s ould be used for t e protection of c ildren, t e elderly, or t e infirm. Fireguards s ould
conform to B.S.6539 (1984) (Fireguards for use wit solid fuel appliances)
• This appliance incorporates a safety device in the form of an Oxygen depletion
system. IT MUST NOT BE ADJUSTED OR PUT OUT OF OPERATION! THIS IS A NON
SERVICEABLE ITEM AND MUST BE EXCHANGED AS A COMPLETE ASSEMBLY;
USING ONLY THE ORIGINAL MANUFACTURER'S PART.
• A non-combustible eart must be provided to comply wit t e building regulations, or a
suitable proprietary fire surround wit a 100°C minimum rating.
During initial firing, an odour may be evident. T is is t e starc binder used during t e
manufacture of t e fibre components of t e fire, and t ere are no harmful effects produced.
Care must be taken to prevent any damage being caused to surrounding soft furnis ing or
decoration, e.g. many embossed vinyl wall coverings may become discoloured if placed too
close to t e appliance.
IMPORTANT NOTES
A fire front (fret) must be used wit t is appliance and must conform to t e following:
• It must be made from non-combustible material.
• Its general construction s ould enable it to stand firmly
across t e full widt of t e burner.
• T e design of t e fire front (fret) must ave a removable
as tray cover (Lower section).
• T e as tray cover must ave cutouts and or oles w ic
provide ventilation to t e underside of t e burner.
• T e effective area of ventilation t roug t e as tray
cover must be greater t an 1365mm
2
(2.12 sq. ins.)
T is appliance can be used in conjunction wit t e following c imneys:-
• Conventional brick or stone c imney,
• a pre-cast flue (subject to adequate draw) or
• a metal flue box conforming to BS 715, furt er details are covered in later text .

LT4935 (1:01/08) 12
ALL DIMENSIONS IN mm
PRE-CAST FLUE BLOCK
ADDITIONAL DEPTH INCLUDING PLASTER AND FIREPLACE
"A"
"X"
"X" MINIMUM (INCLUDING PLASTER)
"A"
300
320
NONE
SPACER
20mm 30mm
30
15
10
0
0
0
340 -440
ALL DIMENSIONS IN mm
"A"
740 Min.
W en "A"=150
-
170 OR 140 MIN. IF FLUE HAS NEVER BEEN USED
FOR SOLID FUEL
120 Min.
340Min.-440Max.
640 Min.
550 MIN.- 570 MAX.
OR 500 MIN.-520 MAX.
FOR LOW OPENING
VERSION
300 Min.
50 Min.
ENIGMA II SLIMLINE SLIDE Installation Instructions
SECTION EIGHT Siting the Appliance
Spacers are available in t e following sizes 42mm, 30mm and 20mm t ese may be used to
reduce t e minimum dept required.
T e fire can be installed in t e following flues and locations:-
• CLASS ONE
A conventional brick or stone c imney, wit t e
builder's opening constructed of non-combustible
material as used for a solid fuel appliance, wit a
minimum effective cross-sectional dimension of
225 x 225 mm (9 x 9 ins) or a lined flue (e.g. clay,
metal etc.) wit a minimum diameter of 125 mm (5
ins), wit a minimum effective overall eig t of 3
metres (10 ft). A builder's opening a minimum of
550 mm ig (or 500mm wit Low lintel version)
and 350 mm wide wit a minimum dept of 170mm
(or 140mm if flue as never been used for solid
fuel) to allow sufficient volume for debris collection.
Any permanent flue restriction or variable dampers
s all be removed or locked fully open. T e
c imney s ould be swept prior to installation if not
new or previously used wit a gas appliance.
IMPORTANT: - Leave the restrictor plate
upright when installing the appliance into
150mm (6”) diameter flue or larger. Bend down
the restrictor plate if the appliance is installed
into a 125mm (5”) diameter flue or pre-cast
flues.
CLASS TWO
Pre-cast
A pre-cast flue correctly constructed conforming to
t e requirements of BS 1289: 1975, 1986 or 1989
wit a minimum effective overall eig t of 3 metres
(10 ft) w ic is correctly terminated (see BS 5440).
It will normally require an additional t ickness of
25mm in t e form of a fireplace back panel or if it is
intended to be fitted back to t e plaster
line t en a spacer may be required to meet wit t e
minimum dept requirement.
IMPORTANT: - Do not fit the restrictor plate if
the appliance is installed into this type of flue.
Note: An inspection s ould be made to ensure t at
t e internal walls of t e flue are clear of mortar fangs. It is recommended t at t e plasterwork
s ould not be directly bonded to t e surface of t e flue blocks, ensuring t at t ere is a small air
gap between t e flue blocks and t e wall surface. T e fire can be installed wit t e plasterwork
being directly bonded to t e flue blocks but t ere is a risk of surface cracking occurring to t e
plaster above t e appliance.

LT4935 (1:01/08) 13
600
650
700
750
800
850
0 25 50 75 100 125 150 175 200
SHELF PROJECTION
EXAMPLE 677mm SHELF HEIGHT=125mm MAX. SHELF WIDTH
no combustables
below t is eig t
620 mm
All dimensions in mm's
SHELF HEIGHT FROM HEARTH
LEANLINE 2
ENIGMA II SLIMLINE SLIDE Installation Instructions
SECTION EIGHT Siting the Appliance Continued
• CLASS TWO
Fabricated metal
A double-walled or insulated metal flue box built to t e requirements of BS 715 wit a minimum
diameter of 125 mm (5 ins) and a minimum effective overall eig t of 3 metres (10 ft).
IMPORTANT: - Do not fit the restrictor plate if the appliance is installed into this type of
flue.
Note: If the flue box is to be used with an existing brick or stone chimney a 125 mm (5
ins) minimum diameter flue liner conforming to BS 715 should be used.
Dampers or register plates must not restrict any of the above flues. The flue must only
service a single appliance and not have any branches or traps that may impede the
natural draught. If a terminal is fitted it must be suitable for the purpose (see 'Approved
Flues & Terminals' published by BG Technology Certification Services).
• T e front face (a minimum size of 605 mm (or 555mm for t e SF(tlc)Lo) x 505 mm wide) and
t e base of t e fireplace opening must be flat to ensure t at a good seal is formed between
t e rear and base of t e appliance and t e c imney to avoid any reduction of natural
draug t.
• A non-combustible eart must be provided beneat t e appliance wit in t e fireplace
opening, a fire-resisting eart must also be provided symmetrically disposed about t e
fireplace opening a minimum t ickness of 12 mm wit t e perimeter 50mm above floor level.
Wit a minimum widt of 640mm and a dept of 300 mm (add t e spacer widt to t e eart
dept if a spacer is to be fitted i.e. for a 42mm spacer t e eart dept would be 342mm).
• Any combustible material above t e opening must be removed up to a minimum eig t of
590 mm above eart level.
• Purpose-built superimposed fire-resistant eart s and back panels, specified as suitable by
t e manufacturers, may be used, or a suitable proprietary fire surround wit a 100
o
C rating
(minimum).
Clearance to Shelf or Surround
To c eck t e compatibility of a
combustible s elf or surround, refer to
t e c art.
Clearances at side of fire
Minimum widt between vertical sides
of combustible surround s ould not be
less t an 700 mm provided fire is
central to surround and sides do not
project more t an 150 mm. W en
vertical side forward projection is
increased by 12.5 mm add 50 mm to
inside widt of surround.
N.B. W en fire is fitted t is gives a
minimum side clearance of 100mm.
A minimum of 30mm clearance is
required to non-combustible surfaces
to allow access to t e control and for trim removal.

LT4935 (1:01/08) 14
ENIGMA II SLIMLINE SLIDE Installation Instructions
SECTION NINE To Install the Appliance
CHEC ING THE FLUE AND FIRE OPENING
•
C eck t at t e c imney conforms to t e required specifications as previously stated.
Examine t e condition and carry out any remedial work.
• If t e flue as been used for solid fuel it s ould be swept prior to t e installation.
• Prior to installing t e appliance a smoke test (using a smoke bomb) s ould be carried out to
c eck t at satisfactory smoke clearance as been establis ed. If all t e smoke is not drawn
into t e flue, pre- eat t e flue wit a blowtorc or similar and re-c eck. If t ere is any
uncertainty examine for t e cause and, if necessary, seek expert advice.
• W en installing t is appliance against a dry lined (plasterboard) wall ensure t at any void
between t e plasterboard and t e wall is sealed wit a suitable non combustible material
(i.e. plaster or mortar).
CONNECTING THE GAS SUPPLY
Determine w ere t e gas supply is to be connected to t e appliance. T is may be done
from t e front of t e unit from eit er t e left or rig t side, or a concealed fitting from t e rear.
C eck t at t e restrictor elbow, w ic is fitted to t e appliance, is fully open before
commissioning t e appliance.
PREPARING THE APPLIANCE FOR A GAS CONNECTION
If it is intended to be a concealed connection the 8mm supply should be
positioned in the opening first.
T e pipe s ould be positioned so t at w en t e appliance is pus ed back into t e opening it
enters t e grommetted ole at least 180mm, taking into account t e requirements of BS
6891 1988 dealing wit enclosed pipes.
Note: pipework in t e opening of t e fireplace to t e rear of t e appliance must be suitably
wrapped in accordance wit t e regulations.
Taking great care grip t e copper protective
sleeve at t e end of t e gas control spindle (DO
NOT GRIP SPINDLE IN ANY OTHER PLACE)
as s own and remove t e screw from t e end
as s own above.
Ensure t e spindle is pus ed back inside t e
control valve as far as possible. Ensure t e bell
crank mec anism is swung up to give easy
access to t e gas connection point as s own.

LT4935 (1:01/08) 15
ENIGMA II SLIMLINE SLIDE Installation
Instructions
SECTION NINE To Install the Appliance Continued
FIXING BAC TO OPENING
•
Remove t e paper backing from t e lengt of foam seal and stick it to t e rear flange of
fire.
• If a spacer box is going to be used stick t e second lengt around t e rear face of t e
spacer
unit,. THE FOAM SEAL MUST BE POSITIONED TO ENSURE AN AIR TIGHT SEAL
WHEN THE APPLIANCE IS FITTED.
• DO NOT use permanent sealing compounds i.e. silicon sealant t is could cause t e
appliance
to be damaged w en it is removed for servicing.
• If a spacer box is not being used, mark position of flange ole in t e fireplace front and fix
firebox in position wit wall plugs and wood screws.
• If spacer box is being used fix t e spacer-box to t e fireplace first wit wood screws and
wall
plugs t en screw firebox to spacer box using screws provided.
Cut a cross slit in t e rubber grommet and feed
t e appliance onto t e 8mm-gas supply pipe.
Position t e restrictor elbow supplied and mark
supply pipe at its cut off lengt . T e restrictor
elbow may also be positioned above t e valve at
t e centre of t e fire in t e cutout provided.
Remove appliance, cut pipe to correct lengt ,
refit appliance and make gas connection wit
restrictor elbow use 15mm A/F spanner taking
care not to apply any force to t e gas control
spindle as above. Ensure t e restrictor valve is
opened and its cap replaced tig tly.
C eck for gas soundness. Reconnect t e bell
crank mec anism as above ensuring t at t e
gas control spindle is gripped only over t e
protective copper sleeve and no ot er part of t e
spindle as, ensure NO side strain is applied to
t e spindle.

LT4935 (1:01/08) 16
260mmCRS.
30mm
460mm
FIX 4 OFF EYE
IN POSITIONS
SHOWN
TENSIONING NUT
CLAMP SCREW
Flip t e slide control lever round so
t at t e rubber-capped end is
protruding out to t e rig t as s own
in t e left- and picture. C eck t at it
slides freely up and down in t e
nylon slide guides. Remove t e
nylock nut wit a 7mm A/F spanner
as s own
ENIGMA II SLIMLINE SLIDE Installation Instructions
SECTION NINE To Install the Appliance Continued
OPTIONAL CABLE FIXING SYSTEM
It is recommended t at t e appliance be secured to
t e fireplace fascia wit screws and wall plugs
supplied. T e cable fixing s ould only be used w en
fixing to 18" openings or w en it is desirable not to
drill t e fireplace fascia. It may not be possible to
use t e cable fixing system wit some pre-cast
flues.
• Drill 4 oles in t e rear of t e fireplace opening in t e
position s own and fix securely t e 4 eye bolt wit
screws and wall plugs provided.
• Fix t e fire casing back into t e opening using t e
cable fixing system as s own do not cut off loose ends of cable after fixing, coil and tuck
carefully into space to t e sides of t e burner unit.
Note: W en using t e cable fixing kit wit t e spacer,
fix and seal t e spacer to t e rear of t e appliance
flange wit t e screws and foam seal provided.
Gas Soundness Test
Turn on t e gas supply to t e appliance ensuring
t at t e restrictor elbow is fully open and c eck for
soundness in accordance wit current codes of
practice.
CONNECTING CONTROL LEVER

LT4935 (1:01/08) 17
ENIGMA II SLIMLINE SLIDE Installation Instructions
SECTION NINE To Install the Appliance Continued
Check Burner Pressure and General Operation
• Remove t e screw from t e pressure test point on t e inlet elbow and fit pressure gauge.
• Turn on t e gas to t e appliance.
• Purge t e air from t e appliance by olding t e control lever down to allow t e air in t e
pipe
work to be purged and t e spark generator to ignite t e pilot.
• C eck t at t e electrode is sparking at t e gap between t e t ermocouple tip and t e
electrode, continue until pilot ignition is establis ed.
• Raise t e control lever to its ig position and allow t e appliance to run for
approximately 5
minutes.
• C eck t e inlet pressure is 20 + 1 mbar.
Fuel Bed Layout
IMPORTANT: - REFER TO THE ‘HEALTH & SAFETY NOTICE LOCATED ON PAGE 3 OF
THIS BOO LET BEFORE CLEANING OR REPLACING ANY REFRACTORY MATERIAL.
It is important t at all t e fuel bed moulded s apes are positioned as s own in t ese
instructions. Lay fuel bed as s own on page 5 to 6 for coal and 7to 9 for pebbles.
USE ONLY THE COALS/PEBBLES PROVIDED AND NO ADDITIONAL COALS/PEBBLES
MUST BE ADDED.
Connect t e link lever to t e stud at
t e end of t e slide control lever and
replace t e nylock nut
. IMPORTANT
TURN THE NUT UNTIL IT JUST
TIGHTENS AND THEN TURN IT
BAC A HALF TURN. C eck t e
operation on t e lever and
mec anism ensure t at t e lever
springs back to t e low position
w en it is released after pus ing

LT4935 (1:01/08) 18
MOVE IT LEFT AND RIGHT ALL SMOKE MUST BE DRAWN INTO THE FLUE
POSITION HEAD OF SMOKE MATCH UNDER FIRE OPENING AS SHOWN
CLOSE ALL DOORS AND WINDOWS, LEAVE FIRE BURNING FOR TEN MINUTES
ENIGMA II SLIMLINE SLIDE Installation Instructions
SECTION TEN Checking Operation of Fire
Checking Product Clearance
•
C eck for satisfactory clearance of combustion products, close all doors and windows and
leave fire burning for five minutes.
• Insert lig ted smokes matc 10mm into
t e fire immediately under t e canopy,
move matc orizontally along from
one side to t e ot er all t e smoke
s ould be drawn into t e flue.
• If spillage occurs, allow a furt er 5
minutes. S ould spillage still occur,
turn off t e fire, remove t e restrictor
plate (if fitted) and repeat clearance
ot erwise seek expert advice.
• If an extractor fan is situated in t e room t is test s ould be repeated wit t e fan running. If
t ere is a connected room wit an extractor fan, t e test s ould be repeated wit all t e
doors to t at room opened and t e extractor fan running at maximum setting. S ould
spillage occur seek expert advice.
Fit the fire front and trim
•
Fit t e trim front wit t e 4 magnetic strips placed on t e vertical side flanges of t e firebox -
one on t e top and one at t e bottom of eac side, and fit t e fire front.
• Offer t e decorative trim up squarely and centrally and pus into position.
ADVISE CUSTOMER THAT:
T e curing effect of eating t e fuel bed and ot er ceramic components will cause an initial
odour. T is is due to t e starc used in t e manufacturing process and is non-toxic. Any
debris s ould be cleaned from t e appliance. A vacuum cleaner can be used but only after
all t e loose coals or pebbles ave been removed. T e appliance s ould be serviced
annually by a competent person in accordance wit t ese instructions and t e appliance
c ecked for spillage in accordance wit t e met od detailed in t ese instructions.
Demonstrate t e lig ting and extinguis ing procedures to t e user and t e removal and
refitting of t e decorative trim for cleaning.
If ventilation is fitted for any reason it must be c ecked regularly to ensure freedom from
obstructions.
Hand these instru tions over to the user.

LT4935 (1:01/08) 19
ENIGMA II SLIMLINE SLIDE Maintenance Instructions
SECTION ELEVEN Maintenance
• Servicing s ould be carried out annually by a competent person suc as a CORGI-registered
person in accordance wit t e relevant regulations, to ensure t e safe and correct operation of
t e appliance.
• Before commencing any service or replacement of parts, turn off t e gas supply to t e fire.
After servicing c eck for gas soundness.
• W en ordering spare parts please quote appliance name and serial number t ese can be found
on t e data badge, w ic is located by removing t e decorative fire trim.
• At least once a year, c eck for debris in t e catc ment area be ind t e fire and in t e flue way.
• If soot as accumulated c eck to establis cause, rectify and clean flue or c imney accordingly.
• Examine t e coals or pebbles for signs of cracking and replace if necessary. IMPORTANT: -
R F R TO TH ‘H ALTH & SAF TY NOTIC LOCAT D ON PAG 4 OF THIS BOOKL T
B FOR CL ANING OR R PLACING ANY R FRACTORY MAT RIAL. Refer to coal or
pebble layout procedure Pages 5 & 9 before attempting to replace coals or pebble, w ic
s ould only be replaced as a complete set wit no extra coals added.
• C eck pilot aeration oles for linting; use a vacuum cleaner to remove any lint taking care not to
damage t e pilot ead.
Replacement of Gas Control
1. Turn off t e gas supply by t e isolating cock.
2. Remove fire fret.
3. Remove all Loose coals or Pebbles.
4. Remove moulded refractory parts.
5. Remove t e screw from t e end of t e gas control spindle and swing t e slide linkage
to one side.
6. S ut off t e gas at t e restrictor elbow and disconnect t e gas supply at t e restrictor outlet.
7. Remove 4 screws fixing burner unit into t e casing (2 lower front and 2 in top of burner.
8. Lift fire tray away, disconnecting cables from ignitor and banjo switc .
9. Undo t e two screws retaining t e silencer bracket.
10. Carefully lift away t e top and two side refractory boards exposing t e injector. Note original
position.
11. Rotate t e silencer plate positioned between t e injector and injector plate so t at access
can be made to t e injector plate retaining screws. Note original position of silencer plate.
12. Remove t e two screws olding t e main injector plate at t e rear of t e burner.
13. Disconnect t e pilot burner at its elbow and t e t ermocouple from t e rear of t e gas valve.
14. Undo t e t ree compression nuts securing t e pipes to t e gas valve and remove t e two
screws fixing t e valve to t e bracket.
15. Undo t e two screws securing t e gas valve mounting bracket to t e underside of t e
burner.
16. Clean, service or replace gas valve.
17. Re-assemble t e in reverse order.
18. Turn on t e gas supply, c eck for soundness and re-commission appliance.

LT4935 (1:01/08) 20
ENIGMA II SLIMLINE SLIDE Maintenance
Instructions
SECTION ELEVEN Maintenance Cont.
Replacement of Injector
1. Repeat operations 1-12 for removal of gas control.
2. Undo injector Lock nut and remove t e silencer support plate and injector.
3. Clean or replace injector.
4. Re-assemble t e in reverse order.
5. Turn on t e gas supply, c eck for soundness and re-commission
Replacement of Silencer
1. Remove ceramic fuel bed components.
2.
Remove two screws securing burner into burner tray and lift burner out.
3.
T e silencer is now accessible for cleaning or replacement.
4.
Re-assembly is t e reverse of removal.
Replacement of Oxy-Pilot Assembly
NOTE: If t e pilot assembly is replaced it must be replaced by an identical unit from t e same
manufacturer and replaced as a complete unit.
1. Repeat operations 1-8 for removal of gas control.
2. Disconnect t e t ermocouple from t e gas valve.
3. Disconnect t e gas connection from t e pilot assembly.
4. Remove ignitor lead from pilot assembly.
5. Undo t e Long-nut securing t e oxy-pilot to t e burner.
6. Clean or replace oxy-pilot (NOTE: - THIS IS A NON-SERVICEABLE DEVICE AND MUST NOT
BE
ADJUSTED).
7. Re-assemble t e in reverse order.
8.
Turn on t e gas supply, c eck for gas soundness and re-commission appliance.
FDC (UK) Ltd
SALISBURY
Wiltshire
SP3 5HZ
Telephone [phone]