Chesney's CUBB18 Alchemy Operating instructions

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D ecorative Fuel Effect Appliances
Technical Manual
PIN : 0063BS5932
User and Installation Instructions
Chesney s Universal Basket Burner 18
Burner Code: CUBB 18
Available in Natural Gas or LPG.

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Contents
Section Pages
1 Unpa cking 3
2 Technical Data 4
3 Installation Parameters 5/6
4 Installation 7/8 /9
5 Burner Information 10 - 30
6 Granules 31
7 Fibre c oal / Log p lacement 32 - 35
8 Commissioning the fire u nit 36
9 Briefing and handover to the customer 37
10 Servicing 38 - 41
11 Fault finding 42
12 User I nstructions 43/ 51
Fireguards 43
Lighting the a ppliance 45- 50
Cleaning 51
13 Installer c hecklist 52
14 Dealer and Installer Information 52
Annual Service Record 53

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1. Unpacking
Remove the appliance from its packaging, and check that it is complete and
undamaged .
If satisfied by the condition and the contents is as specified , proceed with the
installation.
The installation should only be carried out by a competent person and all gas work
must be carried out by a CORGI Registered person in accordance with national
and lo cal r egulations for both gas and electricity (If required ).
The installation must comply with local and national building regulations.
For the Republic of Ireland, reference should be made to IS813 and ICP3 and any
guidance notes from Bord Gais.
Failure to comply with the r egulations nullifies ALL guarantees.

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2. Technical Data
Specifications for CUBB18
Oxypilot Assembly Marking Natural Gas Burner : NG 9057, LPG Burner LPG 9221
Gas Connection Size 8.0mm O.D. tubing
Minimum Flue Diameter (Millimetres/Inches) 178.0/7.0
Minimum Flue Height (metres) 3.0
Appliance Mass (kilograms) 3.6
Countries of Destination
Gas
Type
Gas Category, Type
And Supply Pressure
AT
BE
CH
CY
CZ
DE DK
EE ES
FI
FR
GB
GR
HU
IE
IT
LT
I 2H - G20 at 20mbar
I 2E - G20 at 20mbar
NG I
2E+ - G20 G25at20 25mbar
I 3P - G31 at 37mbar
I 3+ - G30 G31 at 28 - 30 37mbar
LPG I
3B/P G30 G31 at 30mbar
Countries of Destination
Gas
Type
Gas Category, Type
And Supply Pressure
LU
LV
NL
NO
PL PT
RO
SE
Sl
SK
TR
I 2H - G20 at 20mbar
NG I
2E - G20 at 20mbar
I 3P - G31 at 37mbar
I 3+ - G30 G31 at 28 - 30 37mbar
LPG I
3B/P G30 G31 at 30mbar
Injector
(1 per appliance)
Burner Pressure
(Hot) mbar
(High/Low)
Gas
Type
Gas Category, Type
And Supply Pressure
Marking Size
H eat Input
kW, Gross
(High / Low)
Remote (GV30/GV60)
I 2H - G20 at 20mbar
180
Multiholed
7x1.8mm
13.0/7.4 3.8/1.6
I 2E - G20 at 20mbar
180
Multiholed
7x1.8mm
13.0/7.4 3.8/1.6
NG
I 2E+ - G20 G2 5at20 25mbar
180
Multiholed
7x1.8mm
13.0/7.4 3.8/1.6
I 3P - G31 at 37mbar
18S
Single Hole
1.8mm
11.0/8.2 24.6/14.6
I 3+ - G30 G31 at 28 - 30 37mbar
18S
Single Hole
1.8mm
11.0/8.2
19.0/11.3 (G30)
24.6/14.6 (G31)
LPG
I 3B/P G30 G31 at 30mbar
18S
Single Ho le
1.8mm
11.0/8.2 19.0/11.3
Recommended Opening Size
Model
Height Width
CUBB18 [NG]
580mm 580mm
CUBB18 [LPG] 5
45 mm 5 80 mm
NOTE Other types of larger flue/opening size combinations (and canopies) can
be used provided that the combustion product s are cleared. If in doubt contact a
flue specialist for advice.

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3. Installation Parameters
The fire unit must be installed and used in accordance with these
instructions.
The burner unit is intended for decorative purposes.
For your safety it is law that all gas appliances must be installed by a
competent person, in accordance with the current gas safety
regulations applicable in the country of use.
The installation must be carried out in accordance with the relevant
local and national specifications and comply with building regulations.
The following must comply with the requirements and satisfy Building
Regulations Approved Document J.
Builders opening and Fire Chamber must be constructed of
non - combustible material
Hearth and clearance dimensions
The minimum flue opening is 178mm (7 ) diameter 250 sq.
cm. (38.5 sq. inches) and a minimum height of 3m (10ft),
provided the flue which serves this appliance.
An in-line fan that complies with BS 5440: Part 1 can be used to
improve flue draught.
NOTE - The flue must not be shared with any other appliance.
Prior to installation, ensure the compliance of local distribution
conditions (E.g. The type of gas, pressure and the adjustment of the
appliance) are compatible.
The builder's opening or fireplace opening must be constructed of a
non - combustible material.
Before the fire is installed, the chimney should be swept and a flue
test in accordance with National Regulations should be carried out.
The flue must be fitted in accordance with National Regulations,
damper plates or flue restrictors must be removed or fixed
permanently in the fully open position.
The gas connection must be in accordance with National Regulations.
The pilot light and flame sensing system fitted to this fire is also an
atmosphere sensing device, this is not adjustable and must not be put
out of action. If the pilot light is damaged or faulty it should be replaced
only with the original identical unit supplied by Chesneys Limited.
The room where the appliance is to be fitted must have a permanent
air vent with a minimum effective area of 100cm sq. to the outside air
in accordance with National Regulations and must be checked on a
regular basis to ensure there is no obstruction.

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This appliance must not be fitted in any room where steam is present
(e.g. Bathroom) .
The appliance is not fitted with an integral guard. It is recommended
that a guard be used for the protection of young children, the elderly or
infirm and also for normal u se conforming to BS8423:2002, such that
access to the flame is minimised.
It is advised not to stand too close to the appliance for prolonged
periods of time; loose clothing is particularly at risk of burning due to
the presence of an unguarded flame.
It is also advised against placing combustible materials directly in front
of the appliance. Floor coverings, such as carpets, are considered to
be acceptable.
Due to the newness of materials, the fire may give off a slight smell for
a period of time after commissioning. This is quite normal and any
odours should dis sipate within a few hours of operation.

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4. Installation
Check f lue soundness
A smoke pellet can be used to test the flue for effectiveness of the draw, also
checking other parts of the dwelling (including loft areas) for leakage, down-
draught etc.
If the flue is unsatisfactory seek advice from a flue specialist.
NOTE The smoke pellet gives a fair idea on the draw, but is no guarantee
that the products of combustion from the fire unit will clear, this is also to be
tested after the installation by carrying a spillage test.
Below is a guide to the flue diameter and minimum flue heights for different
size openings.
NOTE - This table is a rough guide, due to some complex flue systems in
some dwellings the suggested table may still be inadequate, contact a flue
specialist for more advice.
Opening Width
(mm)
Opening Height
(mm)
Opening
Width x Height
Floor to flue top h eight / Flue Diameter
Height
3.0m
Height
4.5m
Height
6.0m
Height
9.0m Height 15.0m
350 550 1925cm2 175 Dia. 175 Dia. 175 Dia. 175 Dia. 175 Dia.
400 550 2200cm2 175 Dia. 175 Dia. 175 Dia. 175 Dia. 175 Dia.
460 460 2116cm2 175 Dia. 175 Dia. 175 Dia. 175 Dia. 175 Dia.
460 550 2530cm2 200 Dia. 175 Dia. 175 Dia. 175 Dia. 175 Dia.
460 610 2806cm2 200 Dia. 200 Dia. 175 Dia. 175 Dia. 175 Dia.
610 460 2806cm2 200 Dia. 200 Dia. 175 Dia. 175 Dia. 175 Dia.
610 610 3721cm2 250 Dia. 225 Dia. 200 Dia. 200 Dia. 175 Dia.
610 760 4636cm2 300 Dia. 250 Dia. 250 Dia. 225 Dia. 200 Dia.
760 460 3496cm2 225 Dia. 225 Dia. 200 Dia. 200 Dia. 175 Dia.
760 610 4636cm2 250 Dia. 250 Dia. 250 Dia. 225 Dia. 200 Dia.
760 760 5776cm2 300 Dia. 300 Dia. 250 Dia. 250 Dia. 225 Dia.
760 910 6916cm2 350 Dia. 300 Dia. 300 Dia. 250 Dia. 250 Dia.
9 10 460 4186cm2 250 Dia. 225 Dia. 225 Dia. 200 Dia. 200 Dia.
910 610 5551cm2 300 Dia. 300 Dia. 250 Dia. 250 Dia. 225 Dia.
910 760 6916cm2 350 Dia. 300 Dia. 300 Dia. 250 Dia. 250 Dia.
910 910 8281cm2 350 Dia. 350 Dia. 300 Dia. 300 Dia. 250 Dia.
910 1070 9737cm2 ********* 350 Dia. 350 Dia. 300 Dia. 300 Dia.
1070 460 4922cm2 300 Dia. 250 Dia. 250 Dia. 225 Dia. 200 Dia.
1070 610 6527cm2 300 Dia. 300 Dia. 300 Dia. 250 Dia. 250 Dia.
1070 760 8132cm2 350 Dia. 350 Dia. 300 Dia. 300 Dia. 250 Dia.
1070 910 973 7cm2 ********* 350 Dia. 350 Dia. 300 Dia. 300 Dia.
1070 1070 11449cm2 ********* ********* 350 Dia. 350 Dia. 300 Dia.
1070 1220 13054cm2 ********* ********* ********* 350 Dia. 350 Dia.
1220 460 5612cm2 300 Dia. 300 Dia. 250 Dia. 250 Dia. 225 Dia.
1220 6 10 7442cm2 350 Dia. 300 Dia. 300 Dia. 300 Dia. 250 Dia.
1220 760 9272cm2 ********* 350 Dia. 350 Dia. 300 Dia. 300 Dia.
1220 910 11102cm2 ********* ********* 350 Dia. 350 Dia. 300 Dia.
1220 1070 13054cm2 ********* ********* ********* 350 Dia. 350 Dia.
1 220 1220 14884cm2 ********* ********* ********* 350 Dia. 350 Dia.
1520 460 6992cm2 300 Dia. 300 Dia. 300 Dia. 250 Dia. 250 Dia.
1520 610 9272cm2 ********* 350 Dia. 350 Dia. 300 Dia. 300 Dia.
1520 760 11552cm2 ********* ********* 350 Dia. 350 Dia. 300 Di a.
1520 910 13831cm2 ********* ********* ********* 350 Dia. 350 Dia.
1520 1070 16264cm2 ********* ********* ********* ********* 350 Dia.
1520 1220 18544cm2 ********* ********* ********* ********* *********

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Check Ventilation
Ensure the room the appliance is to be fitted has suitable ventilation the size
and type of ventilation should take into account any other gas appliance in
the room.
Airbrick
Input Energy:
0- 7kW No airbrick required
7kW 20kW 100cm² Free Air
The room where the appliance is to be fitted must have a permanent
air vent to the outside air in accordance with Local and National
Regulations . The air vent must be checked on a regular basis to
ensure th ere is no obstruction.
Fitting the fire unit
The burner unit has been supplied in an assembled state with exception of
clay granules and coals /logs . All Chesneys fire units have been tested to
ensure safety.
Ensure that the gas supply is capable of delivering the required amount of
gas, and is in accordance with the rules in force.
When laying the gas pipe work check the fire units gas inlet location to
ensure a smooth run.
NOTE All gas work must be carried out by a qualified gas installer to all
relevant r egulations.
An isolation valve or valves must be fitted adjacent to the appliance in
accordance with national regulations this is to allow the complete removal of
the burner control assembly, for maintenance or repair.
Chesney s fire baskets (Sold separately) are supplied with a grate; this is not
needed for gas appliances and must be removed.

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On certain types of fire baskets (mainly curved baskets) both grate structure bars
must be removed to enable the fitting of the burner unit .
Secure t he fire unit to the fire basket .
When fitting the fire ensure that the unit is fitted under the flue opening so that no
part of the fire bed protrudes beyond the fireplace opening.
Before connecting the fire unit purge the pipes from air and debris.
Light the fire on maximum and run for approximately 20mins and check that the hot
burner pressure is in accordance with the values stated on page 4 within the
appliance specifications.
The Burner is fitted with a metal data plate supplied with the fire unit and is to
remain with the fire unit for annual services.
Image of the data plate shown below: -

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5. Burner Information
Remote / Manual version s
NG Version
LPG Version

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Dimensions

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Control Valve Mertik GV34 / GV36
NOTE The GV36 does not have a motor attached but can be upgraded to the GV34.

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Control Valve Mertik GV60 (Fully remote controlled)

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Features and Options
No external electrical power required.
Used with standard thermocouple and standard ODS pilot
Flame height adjustment with remote control or switch
Flame height knob may be adjusted manually, if required
AGA, CGA and CE approv als
Compact design with large capacity
Thermoelectric flame failure device
Safety interlock
Pressure regulator or throttle
Minimum rate selling with fixed or adjustable orifices
Pilot gas adjustment screw
Screen in the gas inlet area
Side outlet for second burner (not motor controlled)
GV34, 36 and 60 models require no external electrical power to operate. The battery - powered
motor allows main gas adjustment via an electric switch or remote.
In the event of a battery failure, the flame height may be adju sted by hand. The GV34 is
configured for on - off l ow to high main burner function . The thermoelectric flame failure device
functions with all standard thermocouple and ODS pilot burners (no powerpile necessary).
The GV3 4, 3 6, 60 Series multifunctional co ntrols have been designed to be as interchangeable as
possible. This allows the different functions to be realized in one heating appliance.

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Operation
Lighting Procedure
1) Turn Knob A (figure 1) slightly left towards the ignition positio n until reaching stop,
press down and hold for five seconds (only pilot gas flows).
2) Continue pressing down knob A while turning further left to activate piezo, continue to hold
down for 10 seconds after pilot has been lit. If pilot does not light, step s 1 and 2 can be
repeated immediately.
3) Upon lighting, release knob and turn further left to ON position. Pilot gas flows and main
gas flows in accordance to the setting (knob B ).
Adjusting the flame height
To turn the fire on and/or to increase the fl ame height, press the ON button of the remote
handset. Continue pressing until the desired flame height is obtained. Press and hold the OFF
button to reverse the procedure. The receiver is equipped with a built - in delay, recognizable by
the flickering l ight, to facilitate fine adjustment of the flame.
The motorized valve is equipped with a slip clutch, allowing manual adjustment of main gas by
turning knob B.
Shut - off Procedure
1) Turn knob A right until reaching stop. In this position only pilot gas fl ows.
2) To shut off the valve completely, press down slightly and continue turning right from pilot
position to the OFF position . The safety interlock prevents re - ignition of the pilot flame
until the thermocouple has cooled down sufficiently (elapsed tim e will vary based on the
thermocouple type).
3) Switching off the remote is not necessary.

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