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

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

LPG PROPANE (G31)

at a supply pressure of 37 mbar

They are supplied as, CAT I

in case of NG and CAT I

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

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

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

& 3

family gases).

BS 6891 Specification for installation of low pressure gas pipe work of up to

28mm (R1) in domestic premises (2

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.

Fig 3

Total free area in

ash pan cover

should add up to a

minimum of 4000mm2

Fig 2

NJL/GTECH- 3/10/06 Revision No.3

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 -

NJL/GTECH- 3/10/06 Revision No.3

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.

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

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

(15.5in

) 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

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

appliance, provided it does not project

NJL/GTECH- 3/10/06 Revision No.3

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

NJL/GTECH- 3/10/06 Revision No.3

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

100.0

140.0

50.0

370.0

180.0

NJL/GTECH- 3/10/06 Revision No.3

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

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

NJL/GTECH- 3/10/06 Revision No.3

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.

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

NJL/GTECH- 3/10/06 Revision No.3

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

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

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

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

row being supported by the

base-board and resting in the “v” formed by

the 2

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

row of coals is placed in the “v”

behind the 3

row of coals and in front

of the back wall. The coals are

4TH ROW

Fig 25

NJL/GTECH- 3/10/06 Revision No.3

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.

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

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

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

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

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.

Off Pilot only Burner minimum Burner maximum.

Fig 31

NJL/GTECH- 3/10/06 Revision No.3

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

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