DGF Fabrications Renaissance Class I Hot Box 16" User, Installation & Servicing Instructions

Brand
DGF Fabrications
Model
Renaissance Class I Hot Box 16"
Category
Fireplaces
Type
User, Installation & Servicing Instructions

This manual is also suitable for

NJL/GTECH- 3/10/06 Revision No.3
0
User, Installation & Servicing Instructions
for the following range of fires:
RENAISSANCE CLASS I HOT BOXES
(16c, 18″ & 22″ VARIANTS),
INSET FIRES (16″&18″)
AND RENAISSANCE CLASS II MULTI-FLUE
HOTBOX
These appliances are for use on
NATURAL
GAS (G20) at a supply pressure of 20mbar
Or
LPG PROPANE (G31)
at a supply pressure of 37 mbar
They are supplied as, CAT I
2H
in case of NG and CAT I
3P
in case of LPG, designated
category of appliances.
This leaflet has been prepared to help you install and service your gas fire.
This leaflet has been prepared to help you
install and service your gas fire.
Please read the instructions carefully before you
begin installing this fire, and once complete hand to
user to keep handy for future reference.
DGF Fabrications
NJL/GTECH- 3/10/06 Revision No.3
1
GENERAL
The Renaissance range of fuel effect gas fires are intended for decorative purposes. They are, not designed to
be converted or used on any other fuel, other than that specified on the appliance data plate.
TYPES OF FLUE SUITABLE
16” & 18” Insets and 16”, 18” & 22” Hotboxes
Appliances are suitable for Class 1 flue systems only, and can be hearth mounted to a non-
combustible wall or suitable fire surround.
The flue or chimney should have no dimension across its axis of less than 175mm (7in), and a
minimum height of not less than 3m (10ft) from the hearth to the termination point of the flue.
The chimney must have any damper or register plate removed or fixed permanently in the fully
open position.
16” Renaissance Class II Hotbox
Appliance is suitable for both Class I & II application. Class II using either metal box and
minimum 5” diameter flue or pre-cast flue provided the starter blocks are of sufficient size to
accommodate. In either case a minimum height of not less than 3m (10ft) is required.
Note: The Dunbrik Mini Clearflow flue block system employing “M set” starter bricks are ideal (see diag.)
16” & 18” Insets
The 16” & 18” Inset fires are only suitable for installation into either: Hotboxes supplied by DGF Fabrications
or into existing solid fuel burning fireplaces where components to BS 1251 “Open fireplace Components” are
used.
See diagram for typical chairbrick design.
APPROVALS/RECOMMENDATIONS
The appliances have been designed to meet the requirements of EN509, and other relevant
safety standards, but during use parts of the Hotbox casing may become HOT. It is therefore
recommended that a suitable fireguard to BS6539 “Fireguards for use with solid fuel appliances”
be used where the very young or infirm are concerned.
STATUTORY REQUIREMENTS :
A CORGI REGISTERED INSTALLER must carry out the installation of this appliance in
accordance with the current issue and relevant requirements of:-
This installation booklet.
The gas safety (installation and use) regulations.
The building regulations.
The building standards (Scotland) regulations.
The health and safety at work act.
The control of substances hazardous to health.
Any applicable local regulations.
Typical pre-cast
starter bricks.
Typical metal
flue-box.
Typical solid-fuel
chairbrick
Fig 1
NJL/GTECH- 3/10/06 Revision No.3
2
Detailed recommendations are contained in the current issue of the following British Standards
and Codes of Practice:-
BS 5440 Part 1 Specifications for installation of flues.
BS 5440 Part 2 Specification for installation of ventilation for gas appliances.
BS 6461 Part 1 Codes of practice for masonry chimneys and flue pipes.
BS 5871 Part 3 Decorative fuel effect gas appliances of heat input not exceeding 15kW
(2
nd
& 3
rd
family gases).
BS 6891 Specification for installation of low pressure gas pipe work of up to
28mm (R1) in domestic premises (2
nd
family gases).
BS 8303 Installation of domestic heating and cooking appliances burning solid
mineral fuels.
BS 1251 Specification for open-fireplace components.
This installation booklet must not be taken as overriding statutory requirements.
FRONT AND FRETS SUITABLE FOR ALL FIRES :
The
Renaiss
ance
range of
applianc
es can be used with a variety of fire fronts, but only if they meet the minimum ventilation
requirements shown above.
SPECIFICATIONS:
DIMENSIONS HOTBOX FIRES :
For full dimensions see Fig No.1 and table below.
D
E
C
F
G
H
H
B
A
Fig 3
Total free area in
ash pan cover
should add up to a
minimum of 4000mm2
Fig 2
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Overall Dimensions (Fig 3) :
Model 16” (Class I) 18” (Class I) 22” (Class I) 16” (Class II)
Overall width (A)
505 555 655 470
Overall height (B)
585 585 585 585
Overall depth (E)
215 215 215 140
Specific Dimensions (Fig 3) :
Model C D E F G H
16” Hotbox
405 555 215 100 285 60
18” Hotbox
455 555 215 100 335 60
22” Hotbox
555 555 215 100 555 60
16” Multiflue
330 555 140 100 265 -
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HEAT INPUT/INJECTOR MARKINGS/BURNER PRESSURE SETTINGS
:
Model
Gross heat
input kW
Natural gas
injector:
Natural gas
setting
pressure
(mbar):
LPG gas
injector:
LPG gas setting
pressure (mbar):
Max Min
Marking
Max Min
Marking
Max Min
16”
7.0 3.5
510
15.0 4.0
220
33.0 9.0
16" (N.V.)
6.75 2.5
460
16.0 2.5
190
30.2 4.6
16" (Class II
Multi-flue)
5.5 3.0
460
10.7 3.4
16" (Class II
Multi-flue)
6.8 3.2
190
30.7 7.6
18”
8.8 4.5
650
13.0 4.0
240
32.0 8.0
22"
10.5 5.5
700 *
18.0 5.0
340
30.0 8.5
INJECTORS :
All injectors are marked (on the side of the body) as table above.
Note: Injector marked 700 * is manufactured by Stereomatic; all other injectors are Bray Cat 82
type.
MAIN GAS CONNECTION :
8mm O.D. X M14 compression nut on R.H. side of gas control.
Anglo Nordic type:
APPLIANCE SERIAL NO. LOCATION :
Data plate affixed under burner assembly on appliance base.
SPECIFIC REQUIREMENTS :
The fire must be installed in either
a) A specially prepared non-combustible builders opening with a chimney free from
obstruction and conforming to Fig no. 2.
Or
b) A non-combustible fire resistant fireplace with chimney free from obstruction and
conforming to the current Building Regulations. Make good as appropriate to leave and
opening with dimensions conforming to Fig no. 2. This may mean that the fire back (or
chair brick) will have to be removed.
They must NOT be mounted on a combustible floor or carpet
The fireplace or builders opening should only have two openings, an entrance through the
fireplace for the appliance, and an exit for the flue gas, all other openings must be sealed off.
A flue test in accordance with national regulations must be carried out to prove that there is a
positive up draught.
In the case of a Class I installation the chimney must be swept prior to installation.
The base of the builders opening must be flat, level and square with the fireplace.
NJL/GTECH- 3/10/06 Revision No.3
5
D
E
B
C
A
H
F
J
G
K
F
A minimum flat level area around
the opening must be provided to
seal the appliance to the
fireplace opening.
Fig 4
The fires are not suitable for wall mounting. A non-combustible hearth conforming to the
dimensions shown in Fig no. 2 must be fitted in front of the fire.
VENTILATION :
Ventilation required for these appliances must be in accordance with the rules in force and
checked regularly for obstructions:-
All 18” inset, 18”Hotboxes and 22” Hotboxes must have a permanent air vent of an effective
area of at least 100cm
2
(15.5in
2
) in the room. The vent must be either to outside air or to an
adjacent room having permanent vent to outside of the same area.
16” NV & 16” Class II Hotbox do not normally (spillage test to determine) require any additional
ventilation into the room into which they are to be installed when installed in Great Britain.
If the appliance is installed in IRELAND, a minimal cross sectional area of 100mm
2
is required.
INSTALLING THE APPLIANCE (Hearth clearances) :
A non-combustible
hearth with a minimum
thickness of 12.5mm
and having a perimeter
of 50mm above floor level is required to discourage placing carpets or combustible materials
close to the hearth. The width must be a minimum of 150mm either side of the fireplace opening
and a depth of 300mm from the front face of the fire opening. (Fig. 4).
Note: - If this appliance is to be fitted not less than 9” up the Wall, then no hearth need be fitted.
But extra care must be taken to ensure that loose fret cannot be knocked from position
Model A Min B Min C Min D Min E Min F Min G Min H Min I Min K Min
16”
415 560 265 520 600 150 715 300 50 20
18”
465 560 265 570 600 150 765 300 50 20
22”
565 560 265 670 600 150 865 300 50 20
Clearance to sides and shelves :
150
Fig 5
150mm or more above the top point of the
NJL/GTECH- 3/10/06 Revision No.3
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INSTALLATION :
Prepare the fireplace and chimney as previously described.
Unpack the fire. For ease of installation remove the burner assembly. Unscrewing the two
retaining screws at the base of the front support legs can do this. Remove the complete burner
assembly and rear baseboard.
Within the base of the box, there are three mounting holes. Place the box centrally into the
fireplace opening; making sure the box is square and level. Mark through the three mounting
holes and remove the box. Using a 6mm masonry drill, drill and plug the fixing holes.
Lay the gas supply pipe in the fireplace opening. A means of isolating the gas supply other than
the appliance control valve should be fitted in the gas supply line. The inlet pipe to the appliance
should be 8mm O.D rigid or semi-rigid tubing. If the supply pipe is more that 1.5 meters in length
then the gas supply pipe diameter should be increased to a minimum of 1.5mm from that point.
Access through the outer casing of the appliance is through the rear or side access holes. The
gas supply pipe should be positioned within the fireplace as shown in fig No 21. A separate hole
is made through the fibre and the tube passed through. The tube must be sealed around the
hole using suitable silicon mastic, flexible fire cement or other approved method.
The box is repositioned within the fireplace, sealed to the opening, and secured to the hearth by
means of fixing screws. Check seal around the edges.
Replace the burner assembly, rear base board and make good the final gas connection into the
main control valve. Finally check the whole system for gas soundness.
Using spacer frame :
The 16” Hotboxes Class I and Class II and NV version (no vent) can be installed into various
flue situations with a minimum of preparation provided the following observations are made in
assessing suitability of fit.
Class II fire will fit into a 16” opening complete with chair-brick in place provided spacer frame is
used. See diagram.
Gap should be
no less than 50mm
Renaissance Class II fitted
with 50mm spacer frame.
16" chairbrick to
BS 1251in builders
opening fireplace.
Plan view
Fig 6
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Pre-cast starter blocks :
The class II Renaissance Hotbox will fit most pre-cast starter blocks: The block size will dictate
whether or not a spacer frame will be required. Shown are some typical starter brick sizes in
common use:
INSTRUCTIONS Specific to Class II Hotbox only (pages 8-12)
Overall dimensions:-
CLASS I APPLICATIONS Tapered openings fitted with chairbrick
These are tapered firebricks, which were originally designed for solid fuel, and may require the
spacer box to be fitted if the depth of the opening is not sufficient.
Dunbrik "M set" starter brick.
450
220
Dunbrik "M set" starter brick.
450
220
Fig 7
The Rena
issance
Class I Hotbox will
fit only the larger
starter block such
as Dunbrik “M set”
315
115
Dunbrik "Standard set"
Dunbrik "Red set"
410
115
Fig 8
470.0
586
550.0
30
100.0
140.0
50.0
370.0
90
180.0
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Note: It is important that enough space is allowed for behind the fire for any falling debris to
collect without blocking up the flue-way. The following recommendations should be adhered to.
Class II Applications
Opening Requirements :
The following requirements are for dry lined walled pre-cast flues conforming to BS1289 Part 1:
A pre-cast flue conforming to the current issue of BS 1289 and BS 1289 Part 1 including properly
constructed pre-cast flues with a cross sectional area of 13000mm
2
.
210
With the chairbrick in position
then the minimum depth of the
fire opening must be not less
than 210 mm for the appliance to
be fitted without the spacer box.
Fig 9
210-160
If the depth of the fire opening
with the chairbrick in position is
between 210 mm and 160 mm
then the spacer box must be
fitted, or the chairbrick
removed.
Fig 10
Min 190
With the chairbrick removed
then the minimum depth of
the fireplace opening must be
not less than 190 mm for the
appliance to be fitted without
the spacer box.
Fig 11
190-140
If the depth of the fireplace
opening with the chairbrick
removed is less than 190 mm
but more than 140 mm, then
the spacer box must be fitted.
Less than 140 mm on a Class
I flue, then the appliance is
unsuitable for this application.
Fig 12
Check that the plasterboard or
plaster is sealed to the edge of the
opening as shown.
Min 325
Sealant
Starter
block
Plaster or
plasterboard
Fig 13
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Rebated Surrounds :
The rebate is the distance from the front of the non-combustible surface, i.e. marble to the plaster or wall
surface. Check the overall depth of the fireplace opening.
If the depth of the starter block plus the rebate adds up to less than 140mm, then the spacer box must be
fitted. Note this dimension should not be less than 90mm.
The minimum depth of the starter block
including the plaster must not be less
than 140 mm if no spacer frame is to be
used and 90mm if the spacer frame is
used.
Class II without spacer frame.
Minimum:
325 mm
Minimum 140
Fig 14
Opening width
min 406
max 450
Min depth 140
Opening height:
min 560
max 575
The height of the starter block
opening must be not less than
560 mm, and not more than 575
mm from the top of the hearth, to
the underside of the opening.
Fig 15
Minimum width
of starter brick:300mm
Class II fitted with spacer frame.
mm
Minimum depth
including
plaster/marble:90 mm
The minimum width of the
starter block opening must be
not less than 325 mm without
spacer frame and 300mm
when spacer frame used.
Fig 16
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Note: If using a rebate surround with a flue previously used for solid fuel burning then an additional 50mm
should be added to the above dimensions for debris accommodation.
If the depth of the starter block plus the rebate when added up together is more than the 140mm then the
appliance can be fitted without the spacer box.
FITTING THE SPACER BOX :
Class 1 Application :
Class 2 Applications :
Flue Box Application :
90 Min
140 Min
Without spacer frame. With spacer frame
Fig 17
Position the spacer box central to the fireplace opening.
Using the four angle brackets provided, position the brackets
so as to clamp the spacer box to the fireplace surround. Mark
through the hole in the bracket into the side of the fireplace
opening. Drill and plug the four holes. Remove the spacer
box and run suitable sealant over the face, which is to be
clamped to the fireplace surround, reposition box, fit clamps
in position and screw to wall. Fig. No. 18.
Fig 18
Position the spacer box central to the fireplace opening.
Using the four angle brackets provided, position the
brackets so as to clamp the spacer box to the fireplace
surround. Mark through the hole in the bracket into the
inner skin of the flue box and drill for self-tapping screws.
Remove the spacer box and run suitable sealant over the
spacer box face, which is to be clamped to the fire
surround, and screw to inside of flue box. Fig. No. 19.
Fig 19
Position the spacer box central to the fireplace opening.
Using the four angle supplied, bend the long end of the
bracket form a “ “ shape, the depth of the bracket is to be
the same depth of the rebated surround.
Position the four angle brackets so as to clamp the box to the
fireplace surround. Mark through the hole in the front face of
the starter block, drill and plug the four holes.
Remove the spacer box and run a suitable sealant over the face,
which is to be clamped to the fire surround. Reposition spacer
box
fit
clamps in
position and screw to wall. Fig. No. 20.
Fig 20
NJL/GTECH- 3/10/06 Revision No.3
11
Spacer Box
On completing and positioning of the gas supply pipe, slide the Hot Box into position, then using the four
countersunk screws provided, place the screws through the four holes outer trim of the Hot Box, and into
the corresponding screwed holes of the spacer.
Screw and seal the Hot Box to the spacer box, ensuring that the heads of the screws are not protruding
above the countersunk holes.
Fitting the Fire without Spacer Box
Slide the appliance fully into the fireplace opening. Ensure that the appliance is level, square, and central,
mark the position of four holes in the outer trim, and remove the appliance. Using a pilot drill, carefully drill into
the fireplace surround at the positions marked. Then using a 6mm drill, carefully drill out the pilot holes
and plug.
On completing and positioning of the gas supply pipe, slide the Hot Box into position. Seal and screw the
Hot Box to the fireplace surround, ensuring that the heads of the screws are not protruding above the
countersunk holes.
Fitting the Brass Trim
After the appliance has been commissioned and spillage tested, the final operation is to clip the decorative
brass trim onto the outer trim of the Hotbox.
Gently slide the two sidepieces into position. Using the inner return edge of the brass trim to clip over the
inner edge of the Hotbox trim. The top piece is then placed in position in the same manner. Finally the
plastic protective cover is carefully removed.
Gas Supply :
Connection
A means of isolating the gas supply other than the appliance control valve should be fitted in the gas supply
line to the fire.
The inlet pipe to the appliance should be 8 mm O.D. rigid or semi-rigid tubing. If the supply pipe is more
than 1.5 metres in length then the gas supply pipe diameter should be increased to a minimum of 15 mm
from that point.
110
Restrictor elbow
Concealed Connection
There is access through the outer casing of the appliance,
via, the rear and side access holes. The gas supply pipe
should be positioned within the fireplace hearth as detailed
Fig. No. 21. A hole is made through the fibre, and the tube
push through it, the fibre acting as a seal around the tube.
Fig 21
NJL/GTECH- 3/10/06 Revision No.3
12
LAYING THE COALS (ALL FIRES)
The coal build is made up of 4 rows.
Detailed in the table below is the number of coals required per model.
COAL BUILD DATA :
MODEL Row 1 Row 2 Row 3 Row 4
16”/NV
6 5 4 5
18”
7 6 5 6
22”
9 8 7 8
Multiflue
6 5 4 5
The coals supplied are rectangular in shape with rough torn edges. It is important to use only that number
of coals stated in these instructions and supplied. DO NOT pack THE COALS in tight but leave air gaps
between the coals to allow flames to pass through the coal build.
Note:
Coal laying procedure is shown for the 16” Renaissance Hotbox/Inset. All other models should be laid in a
similar fashion but allowing for the extra coals in each row to be accommodated on the wider models. (See
table above)
The coals should be laid as detailed in Fig nos.22-25, ensure that no coals are in such a position that they
become unstable and fall off the fire bed.
Hands should be washed after handling coals.
COAL GUARDS
BURNER
PILOT
GUARD
DETAILS OF BURNER ASSEMBLY
FIRE FRONT NOT SHOWN
COAL GUARDS
BURNER
PILOT GUARD
Fig 22
NJL/GTECH- 3/10/06 Revision No.3
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WITH FRONT AND FRET IN POSITION
The second row of coals is placed in the
vie created by the first row. The coals are
placed so as to rest on the rear of the front
row and the coal supports. The coals
should be angled the opposite way to the
front row in order to maintain a random
coal effect.
2nd ROW
Fig 23
The third row of coals is placed behind
the 2
nd
row being supported by the
base-board and resting in the “v” formed by
the 2
nd
row of coals. Again the coals are
laid at an angle to the previous row with
the edges angled up as shown.
3RD ROW
Fig 24
The 4
th
row of coals is placed in the “v”
behind the 3
rd
row of coals and in front
of the back wall. The coals are
4TH ROW
Fig 25
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COMMISSIONING THE FIRE :
Remove the control valve cover by pulling it forward. Fig. No. 9. Slacken the pressure test point
sealing screw and connect a suitable pressure gauge.
The gas control valve is fitted with a piezo spark ignitor, maximum and minimum flow adjusting screws, and
a pressure test point. If the main burner or pilot goes out for any reason DO NOT attempt to relight the pilot
for three minutes
.
Remove the control valve cover by pulling it forward (fig no 26). Slacken and remove the pressure test point
sealing screw and connect a suitable gauge.
P
I
L
O
T
O
F
F
Remove control
cover by pulling
forward.
Fig 26
Pressure
test point.
Fig 27
Control with cover removed.
High rate
adjustment
screw
Low rate
adjustment
screw
Fig 28
NJL/GTECH- 3/10/06 Revision No.3
15
Fig 29
The appliance is calibrated at the factory, and any adjustment should not be necessary, confirm the gas inlet
pressure corresponds with specifications and data plate.
If any large discrepancies occur check meter and pipe work pressure.
Place a compatible front & fret at the front (see fig 2) of the burner, light the fire. When 10-15mins has passed
initiate spillage test using e.g. smoke match. Instruct user in the use and operation of the fire through
demonstration/instructions.
Turn the control knob anti-clockwise from the pilot position to the maximum position, check that the setting
pressure is as stated in the Gas Data.
Turn the control knob clockwise to the minimum position; again check that the setting pressure is as stated in
Gas Data.
Turn the control knob back to the pilot position remove the pressure gauge from the pressure test point, and
refit the test point sealing screw.
Turn the knob to maximum position to relight the fire and check for gas soundness. Refit the control valve
cover
.
CHECK FOR CLEARANCE OF COMBUSTION PRODUCTS :
It is IMPORTANT that, before the appliance is handed
over to the user, a full check for clearance of combustion
products is carried out with the appliance running at the
full on position,
Ensure that all doors and windows of the room are
closed. Remove the ash pan cover and light the fire as
previously described. Replace the ash-pan cover and
leave the fire on maximum gas rate for ten minutes.
Hotboxes:
Insert a smoke match as shown in Fig No.29. Ensure
that the smoke is being drawn into the opening, along its
full width, particularly the corners of the opening. If in
doubt repeat the procedure after a further ten minutes.
If there is a fan in a nearby room then the test must be
repeated with the fan turned on, any interconnecting
doors between the fire and the fan location must be left
open.
If spillage is detected the chimney or flue may be faulty. The fault must be corrected before leaving the fire
installed. If the fault cannot be corrected turn off the appliance and disconnect the gas supply to the fire, and
seek expert advice.
Inset Fires:
For inset fires insert smoke match in
position shown and ensure all smoke
is drawn up into chimney. See Fig 30
Smoke match
to be positioned
100mm down
and 10mm in
from this point
Smoke match
Fig 30
NJL/GTECH- 3/10/06 Revision No.3
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SPILLAGE MONITORING SYSTEM :
The appliance is fitted with an oxygen depletion pilot In the event of flue blockage or non-evacuation of
combustion products, the appliance will automatically shut down.
The pilot assembly is none-adjustable and is pre-set. It is IMPORTANT that this is not
altered, adjusted or by-
passed in any way. If replacement is required, only original manufacturer’s parts should be used.
If the appliance does shutdown automatically leave for 3 minutes before relighting. If however automatic
shutdown still occurs switch the fire OFF, disconnect the gas supply to the fire and seek expert advice.
INSTRUCT THE USER :
Leave these instructions with the user, and explain how to light and operate the appliance, including how to
light the appliance using a long lighted spill.
Impress on the user, that the coals must be located in accordance with the instructions, and a CORGI
registered engineer to ensure safe operation should service the appliance at regular intervals.
Advise the user that any smell coming from the fire on initial lighting will quickly disappear after a few hours.
SERVICING
:
It is recommended that the fire is inspected/serviced on an annual basis by a CORGI registered engineer. The
service engineer should replace any damaged or broken coals as necessary.
Before commencing any work isolate the gas supply to the fire. After any work ALWAYS TEST FOR GAS
SOUNDNESS.
SERVICING PROCEDURE :
Ensure that the fire is switched OFF and is cold before servicing commences. Isolate the gas supply to the
appliance. Carefully remove all coals from the fire and inspect for damage, remove the fire front and coal
guard.
Using a soft brush remove all soot and debris deposits from the main burner and pilot. Check condition of the
main burner gauze.
If parts require replacing then removal of the burner assembly is carried out as follows:-
Disconnect the gas at the inlet to the appliance. Remove the 2 screws at the base of the burner front support
legs and remove complete burner assembly. Remove the rear baseboard, check for damage and replace as
necessary.
Check the condition of the thermocouple and spark ignitor.
Clean or replace the main burner injector. The injector should be cleaned by blowing out debris or wiping it with
a soft rag. Do not use any hard instruments or wire as this may cause damage to it.
Re-assemble the parts and carefully position the completed burner assembly within the box and secure the
burner to the box via the 2 locating screws at the base of the support legs.
Re-connect the gas supply and test for gas soundness.
Replace any damaged coals as necessary. Check the setting pressures as described in
COMMISSIONING
THE FIRE.
REPLACEMENT PARTS :
NJL/GTECH- 3/10/06 Revision No.3
17
Part Numbers :
The following component parts can be purchased from DGF Fabrications quoting following part numbers:
Description
16” Model 18” Model 22” Model
Burner
RMB – 16 RMB – 18 RMB – 22
Burner injector
RBI – 16 RBI – 18 RBI – 22
Base board
RBB – 16 RBB – 18 RBB – 22
Coal pack
RCP – 16 RCP – 18 RCP – 22
Ancillary Components (All models) :
Description Part number
Pilot burner assembly RPB – 01
Control valve RCV – 01
Control valve knob RCK – 01
Control valve cover RCC – 01
Burner insulating strip RIS – 01
Users manual RUM – 01
Installation manual RIM – 01
NJL/GTECH- 3/10/06 Revision No.3
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Users Instructions (All fires)
This leaflet has been prepared to help you use and
understand your gas fire.
Please read the instructions carefully before you begin
using this fire and keep the leaflet handy for future
reference.
OPERATION OF THE FIRE
To obtain access to the controls remove the ash-pan cover. The gas control valve cover is marked with the
following positions, Off, Pilot and a graduated section for Minimum and Maximum gas rates Fig.31. The
control knob point should be placed next to the position required.
TO LIGHT THE FIRE :
Ensure that the control knob is in the OFF position. Fully depress the control knob and keep in, turn
anticlockwise, you should feel some resistance to the knob turning; this is the piezo spark generator being
activated. Upon reaching the pilot position you will here a click, as the piezo spark igniter operates, the pilot
should light. If the pilot fails to light repeat the operation.
Once the pilot has lit, hold the knob in for a further 10-15 seconds to establish the pilot. When the knob is
released the pilot should remain alight. If the pilot fails to remain alight repeat the procedure but hold the knob
in longer to allow the pilot to establish.
If however you are experiencing difficulty in lighting the pilot, then the pilot can be lit manually by the use of a
long lighted spill. Place the lighted spill in the area of the pilot, turn the knob to the pilot position and hold in,
the pilot will then light off the lighted spill.
The gas control valve is fitted with a piezo spark generator, which when activated creates a spark at the pilot
head. If the main burner or pilot burners are extinguished for any reason, DO NOT ATTEMPT TO RELIGHT
THE PILOT FOR THREE MINUTES.
TO ALTER THE HEAT SETTING
With the main burner lit the heat setting is variable between high and low, and at any required setting between.
See fig 31.
TO TURN THE FIRE OFF :
To turn the fire off, turn the control knob to the minimum position, slightly depress the knob and continue
turning clockwise until the pilot position is reached. The fire will go out and the pilot light will remain lit, and
may, if required be left on for intermittent use.
O
F
F
P
I
L
O
T
O
F
F
P
I
L
O
T
O
F
F
P
I
L
O
T
O
F
F
P
I
L
O
T
Off Pilot only Burner minimum Burner maximum.
Fig 31
NJL/GTECH- 3/10/06 Revision No.3
19
To turn the fire off completely keep the control knob depressed and continue turning clockwise until the off
position is reached. (See fig 31).
INITIAL OPERATION
Due to newness the fire may give off a slight smell for a short period after commissioning, this will disappear
after a few hours operation.
IMPORTANT NOTES
Whilst the fire meets the required safety standards additional guarding is recommended to give protection to
the young, elderly, and the infirm. Fitting a fireguard, which complies, with current regulations can provide
extra security.
The appliances have been designed to meet the requirements of EN509, and other relevant safety standards,
but during use parts of the Hotbox casing may become HOT. It is therefore recommended that a suitable
fireguard to BS6539 “Fireguards for use with solid fuel appliances” be used where the very young or infirm are
concerned.
Never allow rubbish to be thrown on to the coal bed of the appliance, or otherwise disturb the fuel bed. Any
hearth at the front of the fire should never be covered with combustible flooring or materials.
The chimney should be checked annually to ensure continued clearance of combustion products, and that
there is no excessive build up of soot. It is recommended that the fire also be inspected/checked on an annual
basis by a CORGI registered engineer.
CLEANING
Cleaning should be carried out only when the fire is turned off and Cold. If the fire has a back box, the
brassware on the fire may be cleaned using an appropriate metal polish, care should be taken not to let the
metal polish come into contact with the paintwork, as metal polished, steel wool, solvent and vitreous enamel
cleaners will harm the paintwork.
The flame effect of the fire may deposit some soot onto the coals, whilst light powdery deposits are acceptable,
large deposits will need to be removed, along with any debris, which may have collected. This can be done
using a soft brush. Remove the coals for cleaning. Dust down using soft brush. Check the burner and
remove any deposits, which may have collected, again by using a soft brush.
It is advised that a vacuum cleaner should not be used
.
REMOVING AND REPLACING COALS
Ensure that the fire and pilot are turned OFF and that the fire is cold.
In time due to expansion and contraction, the "coals" may settle. It is suggested that the coals unless
satisfactory be re-arranged. The settlement of the coals may cause minor abrasions and expose some white
spots. These spots usually add realism to the fire when in operation.
If coals are to be replaced or re-arranged then remove the existing coals and replace as described in
Installation Instructions (pages 12-14).
Note: - coals can be rotated about their positions as an aid to balancing the flame picture. This should only be
done by using a pair of long handled tongues.
Ensure that NO coals are in such a position that they could become unstable and fall off the fire bed.
It is important to use only that number of coals stated in these instructions.
Hands should be washed after handling coals. -
MAINTENANCE
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DGF Fabrications Renaissance Class I Hot Box 16" User, Installation & Servicing Instructions

Brand
DGF Fabrications
Model
Renaissance Class I Hot Box 16"
Category
Fireplaces
Type
User, Installation & Servicing Instructions
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