Kohlangaz KRDPB0RN User manual

Evo RC
DECORATIVE FUEL EFFECT GAS FIRE
Installation and Maintenance Instructions
Hand these instructions to the user
Model No. KRDPB0RN is only for use on Natural Gas (G20) at a
supply pressure of 20 mbar in G.B. / I.E.

CONTENTS
Section 1 Information and Requirements PAGE
1.0 Appliance Information 3
1.1 Conditions of Installation 4
1.2 Flue and chimney suitability 4
1.3 Fireplace / surround suitability 5
1.4 Shelf position 5
1.5 Chimney inspection 5
1.6 Fire place opening / catchment space 6-7
1.7 Fitting to Pre-Cast Flues 8
1.8 Metal Flue Boxes 8
1.9 Hearths 8
1.10 Spillage Monitoring System 9
Section 2 Installation of Fire
2.1 Unpacking the fire 10
2.2 Installing the fire box 10
2.3 Gas tightness and inlet pressure 17
Section 3 Assembling Fuel Bed and Commissioning
3.1 Assembling the ceramics and fuel bed 18-21
3.2 Fixing the Infrared eye in position 21
3.3 Lighting the appliance 22
3.4 Checking for clearance of combustion 23
products
Section 4 Maintenance
4.1 Removal of the Burner Assembly 24
4.2 Removal of the Piezo Igniter 24
4.3 Removal of the Control Tap 25
4.4 Removal of the Pilot Assembly 25
This appliance is manufactured by:-
CFM Europe Ltd,
Trentham Lakes,
Stoke-on-Trent, ST4 4TJ
2

SECTION 1
INFORMATION AND REQUIREMENTS
1.0 APPLIANCE INFORMATION
Model KRDPB0RN
Gas Type G20
Main injectors (2 off) Size 260
Pilot Type - Copreci Single Flame 21100 / 141
Max. Gross Heat Input : 6.9 kW
Min. Gross Heat Input : 4.2 kW
Cold Pressure : 20.0 +/-1.0 mbar Natural Gas Models
Ignition : Push-button Piezo
Electrode Spark Gap 4.5mm
Packed Weight (with fender) 19.0 kg
Fire box Dimensions (with Evo trim fitted)
Width : (with Evo trim fitted) 552mm
Height : (with Evo trim fitted) 600mm
Depth : (Evo trim only) 134mm
Depth : Flush-fit (from mounting face to rear of the fire) 110mm
3

INSTALLATION REQUIREMENTS
1.1 CONDITIONS OF INSTALLATION
It is the law that all gas appliances are installed only by a CORGI Registered
Installer, in accordance with these installation instructions and the Gas Safety
(Installation and Use) Regulations 1998 as amended. Failure to install appliances
correctly could lead to prosecution. It is in your own interest and that of safety to
comply with the law.
The installation must also be in accordance with all relevant parts of the Local and
National Building Regulations where appropriate, the Building Regulations
(Scotland Consolidation) issued by the Scottish Development Department, and all
applicable requirements of the following British Standard Code of Practice.
1. B.S. 5871 Part 3 Installation of Decorative Fuel Effect Gas Fires
2. B.S. 6891 Installation of Gas Pipework
3. B.S. 5440 Parts 1 & 2 Installation of Flues and Ventilation
4. B.S. 1251 Open fire place components
5. B.S. 715 Metal flue pipes for gas appliances
6. B.S. 6461 Part 1 Installation of Chimneys and flues
7. B.S. E.N. 1858 Chinmeys Components & Concrete Flue Blocks
8. I.S. 813 : 1996 Domestic Gas Installation (Republic of Ireland)
No purpose made additional ventilation is normally required for this appli-
ance, when installed in G.B. When Installing in I.E. please consult document
I.S. 813 : 1996 Domestic Gas Installation, which is issued by the National
Standards Authority of Ireland. If installing in Northern Ireland, please
consult local building regulations. Any purpose made ventilation must be
checked periodically to ensure that it is free from obstruction.
1.2 FLUE AND CHIMNEY SUITABILITY
This appliance is designed for use with conventional brick built or lined chimneys
and fabricated flues. It is also suitable for use with pre-cast flue blocks conforming
to B.S. E.N. 1858 and metal flue boxes conforming to BS 715. All flues must
conform to the following minimum dimensions.
Minimum diameter of circular flues 125 mm (Without Flue
Restrictor Fitted)
Minimum effective height of all flue types 3 metres
When fitting to conventional chimneys or 175mm flues it may be desirable to
leave the flue restrictor baffle (supplied) in place to reduce the flue flow and
increase the efficiency of the fire. Safe clearance of products must always
be checked by carrying out a smoke match test as described.
4

1.3 FIREPLACE / SURROUND SUITABILITY
The fire must only be installed on a hearth it must not be installed directly onto
carpet or other combustible floor materials.
The fire is suitable for fitting to non-combustible fire place surrounds and
proprietary fire place surrounds with a temperature rating of at least 150oc.
If a heating appliance is fitted directly against a wall without the use of a fire
surround or fire place all combustible material must be removed from behind
the trim. Soft wall coverings such as blown vinyl, wall paper etc. could be
affected by the rising hot air and scorching and/or discoloration may result.
Due consideration should be made to this when installing or decorating.
1.4 SHELF POSITION
The fire may be fitted below a combustible shelf providing there is a minimum
distance of 200mm above the top of the fire and the shelf does not project more
than 150mm. If the shelf overhangs more than 150mm the distance between the
fire and the shelf must be increased by 15mm for every 25mm of additional
overhang over 150mm.
1.5 FLUE / CHIMNEY INSPECTION
Before commencing installation, a flue or chimney should be inspected to ensure
that all the following conditions are satisfied.
1. Check that the chimney / flue only serves one fire place and is clear of any
obstruction. Any dampers or register plates must be removed or locked in
the open position.
2. Brick/stone built chimneys or any chimney or flue which has been used for
an appliance burning fuel other than gas must be thoroughly swept. The
base of the chimney / flue must also be thoroughly cleared of debris etc.
3. Any under-floor air supply to the fire place must be completely sealed off.
4. Ensure that the inside of the chimney / flue is in good condition along it’s
length and check that there is no leakage of smoke through the structure
of the chimney during and after the smoke pellet test. With pre-cast flues
it is especially important to check the inside of the flue for extruded
cement / sealant protruding from the joints between the flue
blocks. If present, these should be removed by rodding the flue
before proceeding with the installation.
5. Using a smoke pellet, check that there is an up-draught in the
chimney / flue and that the smoke can be seen issuing from the
terminal / chimney pot outside.
5

There must be no leakage of smoke through the structure of
the chimney during or after the smoke pellet test and it is
important to check inside upstairs rooms adjacent to the chimney /
flue. Check the chimney pot / terminal and general condition of the
brickwork or masonry. If the chimney or flue is in poor condition or if
there is no up-draught do not proceed with the installation. If there is a
history of down-draught conditions with the chimney / flue, a tested and
certificated flue terminal or cowl suitable for the relevant flue type should
be considered.
6. A spillage test must always be carried out during commissioning of
the appliance.
1.6 FIRE PLACE OPENING AND CHIMNEY CATCHMENT SPACE
The front opening of the fire place must be between 375 and 400 mm wide, and
between 550 and 560mm high. If the opening exceeds these dimensions then a
surround must be constructed from suitable non-combustible material to produce a
correct size opening. Any surround must be suitably sealed to the fire place to
prevent leakage. See below in fig.1
When installing into a brick built chimney, you must ensure that there is sufficient
depth to accomodate any debris which may fall from the chimney. This depth
must be sufficient to accomodate 12 litres of volumetric space.
Fire Opening
375mm Minimum
400mm Maximum
600mm
Minimum
475mm Minimum
Fig. 1
550mm Minimum
560mm Maximum
Minimum Flat
Sealing Area
6

Table A - Installation Depth Requirements for a Kohlangaz Evo RC being
installed into a brick built chimney, requiring 12.0 litres of debris collection
volume (fig. 2).
When installing this product into a builders opening / brick-built chimney, the depth
required is a minimum of 140mm. The 12.0 litres of debris collection volume is
achieved by the space available taper down the sides of the firebox. This
appliance is suitable for use in fireplaces fitted with an existing chairbrick without
the need for removal of the chairbrick, providing the minimum depth of the fire-
place exceeds 260mm. If the depth is less than 260mm then the chairbrick must
be removed.
For example, if the appliance was to be fitted into a 400mm wide opening (without
a chairbrick), the depth required would be 140mm. See fig. 2 below for explanato-
ry diagram.
Fig. 2
7
Opening Width ( e.g. 400mm)
Depth Required
(e.g. 140mm)

1.7 FITTING TO PRE-CAST FLUE INSTALLATIONS
When installing this appliance into pre-cast flues, always ensure that the
spigot restrictor baffle has been removed.
To install the fire box in to pre-cast flue starter blocks, there must be at least
110mm from the mounting face of the fire to the rear of the pre-cast flue
starter block to allow sufficient space for debris collection. It is important to
consider this depth when choosing a fire surround as the thickness of the fire
surround must be sufficient to give a total depth of at least 110 mm to the rear of
the starter block, otherwise there will be insufficient depth, or the fire surround
may be packed away from the wall using suitable non-combustible board, provid-
ing the installation is correctly sealed. If in doubt about the suitability of the fire
contact Kohlangaz Fires for advice before proceeding. This fire has been
designed to fit standard 110mm pre-cast starter blocks.
It is important to ensure that the pre-cast flue is in good condition and is free from
extruded mortar or sealant from between the flue blocks.
This appliance has been tested for use in a pre-cast flue block complying
with BS EN 1858. In accordance with BS EN 1858, pre-cast flues built with
directly plastered faces (front or rear) are not correctly installed as to ensure
proper operation with any type of gas fire. In some instances of this flue
construction, temperature cracking of surface plaster may occur through no
fault of the appliance. An air gap or some form of insulation material should
be installed to prevent normal flue temperatures from damaging wall
surfaces.
1.8 FITTING TO PRE-FABRICATED TWIN WALL METAL FLUE BOXES
The appliance may be fitted to twin wall metal flue boxes conforming to the con-
structional requirements of BS 715, (for example the Selkirk LFE 125 box). The
box must have a minimum flue diameter of 125mm internal and minimum internal
dimensions of 170mm deep by 580mm high by 350mm wide. There are no maxi-
mum dimensional requirements for the box. The top face of the box must be
insulated with a minimum thickness of 50mm of non-combustible mineral wool
insulation or similar material. The flue box must stand on a non-combustible base
of minimum thickness 12mm.
1.9 HEARTHS
This appliance must only be installed with either the Kohlangaz Evo semi-circular
hearth panel (optional extra - part no. B-56940) or on to a concrete or non-
combustible hearth. The hearth material must be a minimum thickness of 12mm
with the top surface at least 50mm above the floor. The hearth must be fitted
symmetrically about the fire opening and have a minimum width of 760mm and a
minimum projection of 300mm forwards from the fire opening.
8

1.10 SPILLAGE MONITORING SYSTEM
This appliance is fitted with an atmosphere sensing spillage monitoring system in
the form of an oxygen sensing pilot. This is designed to shut the fire off in the
event of a partial or complete blockage of the flue causing a build up of combus-
tion products in the room in which the fire is operated. The following are impor-
tant warnings relating to this spillage monitoring system :-
1) The spillage monitoring system must not be adjusted by the installer.
2) The spillage monitoring system must not be put out of operation.
3) When the spillage monitoring system is exchanged only a complete original
manufacturers part may be fitted. It is not possible to replace individual parts on
the pilot system on this appliance, only a complete pilot assembly (including the
thermocouple) may be fitted.
9

SECTION 2
INSTALLATION OF FIRE
2.1 UNPACKING THE FIRE
Carefully lift the fire out of the carton. Remove the loose item packaging carefully
from the front of the appliance. Check the contents as listed :-
Packing Check List
1off Fire box / burner assembly
1off Boxed fuelbed base, ceramic front rail and 14 synthetic pebbles
1off Loose items bag including length of foil tape & rawl plugs
1off Cable Fixing Kit
1off each User instruction book and Installation book
2.2 INSTALLING THE FIRE BOX
Establish which type of flue you are intending to install the fire in to :-
225 x 225mm (9 inch x 9 inch) brick built chimneys
175mm (7 inch) diameter lined brick or stone flue, insulated pre-fabricated
metal flue box to B.S. 715, or pre-cast flues to B.S. E.N. 1858
When installing into 125mm (5 inch) diameter lined brick or stone flue, or
insulated pre-fabricated metal flue box to B.S. 715 and pre-cast flues the
restrictor baffle must not be fitted.
Aspillage test must always be carried out to check satisfactory
clearance of flue products, regardless of the type of flue the
appliance is being fitted to.
10

Proceed as follows :-
a) Remove the burner heat shield from the front of the fire box to allow
access to the burner. See fig. 3 below.
Fig. 3
b) Ensure that the hearth is protected from damage and carefully lift the
fire box into the fire opening, then slide it back into position. Check that
the fire box flange fits flush to the sealing face of the fire surround or
wall with no gaps present.
c) Remove the four retaining screws securing the burner to the firebox.
The base of the burner unit can now be pulled forward, allowing the
burner to be removed outwards and downwards from the fire box. See
fig. 4 below.
Fig. 4
11

d) Whilst the fire box is still in position, decide which side the gas supply is
to enter the fire from. If concealed pipe work is required plan the pipe
run to enter the fire box through one of the openings in the sides or rear
of the fire box below the fuelbed support panel and connect to the
isolating / inlet elbow. The gas connection to the appliance should be
made to the isolating / inlet elbow using 8mm rigid tubing. There must
be no soldered joints within the firebox. See fig. 5 & 6 below for
suggested concealed pipe layouts.
Fig. 5
Fig. 6
Note : Before breaking into the gas supply a pressure drop test should be
carried out to establish that the existing pipework is sound.
Carefully withdraw the fire box from the opening to enable the gas supply and fire
fixing to be completed.
12
Firebox
Approx.
40mm Fireplace
Gas Supply
Firebox
Approx.
40mm Fireplace
Gas Supply

There is a choice of methods of fixing the firebox which are provided to enable the
installer to deal with any type of installation.
The preferred method of fixing which is suitable for almost all situations is
the cable fixing method which is described in the following section in detail.
The fire may be secured using the cable method as described below, or alterna-
tively, in installations where the cable method is not suitable (eg. loose masonary
in rear of fire opening) the spacer may be removed from the fire box and secured
to the fire surround using the screws and rawlplugs provided. The foam seal
(supplied) must be fitted around the perimeter of the firebox in a “goalpost”
arrangement to ensure a seal is achieved to the fireplace / opening.
To fit using the preferred cable method proceed as follows-
e) Mark out and drill 4 off No 14 (7mm) holes in the back face of the fire
opening in the positions shown below in fig. 7
Fig. 7
Fit the wallplugs provided and screw the fixing eyes securely into the rear of the
fire opening. If the clearance at the rear of the fire is at the minimum specified for
a precast flue application, it may be necessary to bend over the lower fixing eyes
after screwing them fully in to the rear of a pre-cast starter block.
f) Uncoil the two fire fixing cables and thread one end of each of the
cables through one of the two holes on each side of the flue outlet
shroud.
13
Fireplace Opening
325mm
100mm
500mm
20mm

g) Position the fire carefully on the (protected) surface of the hearth and
reach into the fire opening. Thread each of the cables vertically
downwards through the pair of fixing eyes on the same side of the fire.
Thread the free end of the cables through the corresponding circular
hole on each side of the lower rear of the fire. Carefully slide the fire
box back into the fire opening and pull both cables tight.
h) Thread a tensioning screw over each of the cables and ensure that the
tensioning nut is screwed fully up against the hexagon shoulder of the
tensioning screw (this provides maximum travel for the tensioning nut).
i) Fit a screwed nipple on to each of the cables and pull hand tight up
against the tensioning screw, then secure each nipple with a flat
bladed screwdriver. See fig. 8 below
Fig. 8
j) Evenly tighten the tensioning nuts to tension both cables and pull the
fire snugly against the wall. Do not overtighten, it is only necessary to
pull the seal up against the sealing face of the wall or fire surround, it
does not need to be compressed. Check that there are no gaps behind
the seal.
k) With the fire securely in place (as shown on fig. 9 overpage), if a
concealed gas connection has been made through either of the access
holes in the sides or rear of the fire, the holes should be closed around
the pipe to prevent leakage of air through the gap around the pipe.
l) Refit the burner. Fit the four retaining screws and check that the burner
is correctly locked into position.
14

Fig. 9
m) Refit the front burner heat shield to the sides of the fire box (2 Screws)
and secure the trim to the fire using the magnets provided.
n) Before making the final gas connection, thoroughly purge the gas
supply pipework to remove all foreign matter, otherwise serious
damage may be caused to the gas control valve on the fire.
o) To fit the Evo trim, locate the right hand side flange of the
firebox over and behind the right hand side of the spacer channel, see
fig. 10 overpage.
p) Locate the left hand side of the Evo trim over the left hand side of the
spacer mounting channel, then lift the Evo trim approximately 50mm
upwards. (see fig. 11 overpage). Push the Evo trim then back to the
mounting face of the fireplace opening and slide downwards and into its
final position. This will locate the Evo trim correctly
Shows correct position
of Foam Seal,
between spacer
channel and mounting
face of firebox
Spacer Channel
15

16
Fig. 10
Fig. 11
Right hand side of Evo trim,
locates over right hand side
of spacer channel
Lift Evo trim
Approximately 50mm
before lowering into
the final locating
position

The other firebox fixing method is as follows :-
In installations where the cable method is not suitable (e.g. loose masonary in rear
of fire opening) the firebox can be secured to the fire surround using four screws
and wall plugs provided. Below (fig.12) is a diagram to indicate the hole centre
positions available on the firebox to facilitate the screw fixing to the fireplace /
surround.
Fig. 12
2.3 GAS TIGHTNESS AND INLET PRESSURE
a) Remove the pressure test point screw from the inlet elbow and fit a
manometer.
b) Turn on the main gas supply and carry out a gas tightness test.
c) Depress the control knob and turn anti-clockwise to the position marked
pilot. Hold in the control knob for a few seconds to purge the pipe work
then press the igniter button. The burner should light, continue to hold
the control knob for a few seconds then turn to the full-on position.
d) Check that the gas pressure is 20.0 mbar (+/- 1.0 mbar) 8.0 in w.g.(+/-
0.4 in w.g.)
e) Turn off the fire, remove the manometer and refit the pressure test point
screw. Check the pressure test point screw for gas tightness with the
appliance turned on using a suitable leak detection fluid or detector.
17
260mm
37mm
532mm
425mm
Firebox
Mounting
Flange

SECTION 3
ASSEMBLING FUEL BED AND COMMISSIONING
3.1 ASSEMBLING THE CERAMICS AND FUEL BED
a) Place the ribbed ceramic fuelbed base on top of the fuelbed support
and pull fully forwards to the burner. Make sure that the fuelbed
base is located centrally in the fire box. Ensure that the fuelbed
base fit fully down onto the fuel bed support and is not
lodged on the burner. See fig. 13 below.
Fig. 13
b) Position front ceramic rail on burner front ceramic support and ensure
that the locating channel in the front ceramic rail is correctly located
onto the lip on the burner front ceramic support. (See fig. 14 below)
Fig. 14
18

c) Pick pebbles A to E and arrange along the the front rail, ensuring that
they are evenly spaced. Use the recess’s in the front ceramic rail as a
guide for placement. (See fig. 15 below)
Fig. 15
d) Select pebbles F to I and arrange behind the front row of pebbles,
ensuring that flame paths as indicated below are not interupted.
. (See fig. 16 below)
Fig. 16
19
Pebble A
Pebble B
Pebble C
Pebble D
Pebble E
Pebble F
Pebble G
Pebble H
Pebble I

e) Select pebbles K, L & M and arrange along the rear of the
fuelbed, using the ribs in the rear of the fuelbed as a guide for
placement. (See fig. 17 below)
Fig. 17
f) Select the two small pebbles (J & N) and position to fill the gaps at each
end of the third row of pebbles, as shown above in Fig.17
The exact position and fit of the pebbles may be finely adjusted to give the most
pleasing and random appearance.
Warning : Use only the pebbles supplied with the fire. When replacing the
pebbles remove the old pebbles and discard them. Fit a complete
set of pebbles of the correct type. Do not fit additional pebbles or
any pebbles other than a genuine replacement set.
This appliance uses fuel effect pieces containing Refractory Ceramic Fibres (R.C.F.), which are
man-made vitreous silicate fibres. Excessive exposure to these materials may cause temporary
irritation to eyes, skin and respiratory tract. Consequently, it makes sense 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 R.C.F. articles is kept to a minimum, during installation & 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, clear-
ly 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 arrticles, but we do 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.
20
Pebble K
Pebble L
Pebble M
Pebble J Pebble N