Percy Doughty & Co QUDOS Xenos User manual

Xenos Balanced Flue Gas Stove
XEN / REV: B / 11/23
INSTALLER AND USER
INSTRUCTIONS
For use in GB & Ireland on
Natural Gas (G20) at a supply pressure of 20mbar
This appliance is intended for use on a gas installation with a governed meter
PLEASE LEAVE THIS BOOKLET WITH THE CUSTOMER

2
USER INSTRUCTIONS Page 3
INSTALLATION INSTRUCTIONS Page 12
DIMENSIONS Page 12
PARTS INFORMATION Page 13
TECHNICAL INFORMATION Page 15
GAS CONNECTION Page 15
CLEARANCES Page 16
FLUE REQUIREMENTS Page 17
RESTRICTOR REQUIREMENTS Page 20
SECURING THE APPLIANCE Page 21
ACCESS TO BURNER TRAY AND FUEL BED Page 21
PRESSURE RELEASE PLATE Page 23
FUEL BED ASSEMBLY Page 25
GAS TIGHTNESS AND PRESSURE CHECK Page 26
COMMISSIONING THE APPLIANCE Page 26
SERVICING Page 29
FAULT FINDING Page 32
PARTS ACCESS & REPLACEMENT Page 36
COMMISSIONING CHECKLIST Page 37
CONTENTS
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3
IMPORTANT NOTES
The installation must be in accordance with current British Standards and National Regulations and all installations
must be carried out by a qualified competent installer.
All surfaces, except the controls and the control unit access door are considered to be working surfaces. During
use, the temperature of the appliance body can become extremely hot during operation, and may take a
considerable amount of time to cool down.
If young children, the elderly or infirm are likely to be near the appliance, then a suitable fireguard to BS8423 is
recommended.
Do not drape clothes, fabrics or other combustible materials over the appliance.
The appliance should not be used for any other purpose than as a room heater and a decorative gas appliance.
Before installation, ensure that the local distribution conditions (identification of the type of gas and pressure),
and the adjustment of the appliance are compatible. Ensure that the appliance can be installed as such to ensure
it meets the safe working parameters as indicated on the appliance data badge. The data badge is located on the
inside face of the control unit access door. The appliance is only for use with natural gas (G20). The appliance
must always be installed in accordance with these Instructions and current British standards and the Gas Safety
installation and use regulations (1998). All gas work must be carried out by a competent qualified installer
registered with the appropriate regulatory body. Failure to install the appliance correctly may lead to prosecution.
Note: Please see below the relevant standards in order for the installation to be compliant. In the absence of any
technical detail within the manufactures installation instructions the British standards must be adopted as a point
of reference to ensure a safe installation.
•BS 5440 Part 1
•BS 5482 Part 1
•BS 5871 Part 1
•BS 6891
•Current edition of the Building Regulations – England and Wales
•Current edition of the Building Standards –Scotland
•Current edition of the Building regulations – Northern Ireland
•Current edition of Domestic gas Installations – Republic of Ireland
The appliance must not be operated without the front glass door and side panels correctly fitted and secured into
position. If the glass is compromised, broken or damaged the appliance must not be operated until they have been
replaced.
The appliance is only compatible with the Holetherm concentric flue system, and when installed it must be
commissioned in accordance with these instructions. In the absence of any specific instruction provided, guidance
must be sought from the manufacturer.
WARNING: Curtains should not be positioned above the appliance at a distance less than the minimum
specified for shelves on page 17.
USER INSTRUCTIONS

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This appliance has been designed to add charm and character to your home. Providing a highly efficient heat
source, the appliance has the look and charm of a wood burning stove coupled with the convenience of clean
burning gas.
The appliance may emit a slight odour after commissioning. This is a normal process of the high temperature
paint curing. During this period we advise that the area is well ventilated by opening doors or windows.
NOTE: Yellow flames usually appear when the appliance has reached its optimum operating temperature. This
may take up to 30 minutes, however installations may very.
OPERATING THE APPLIANCE
This appliance is fitted with a gas valve which can be operated via the remote control handset or manually using
the control unit which is located behind the control unit access door on the front of the appliance (Fig. 1).
MANUAL CONTROL
The control unit requires 3 AA size alkaline batteries to be inserted under the battery compartment cover. The
orientation of these is shown moulded into the battery compartment.
After fitting the batteries and replacing the cover the fire can now be operated. Slide the Master Switch to the
right to the ON position (I symbol).
To start the fire, press the ON/OFF button and hold for 1 second then release. The burner will ignite within 1 to 10
seconds and adjust to the maximum power setting,
The power of the burner can be adjusted up and down by pressing the + and - buttons.
USER INSTRUCTIONS
Fig.1 Access door.

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To stop the fire, simply press the power button again and the burner will stop.
NOTE: For safety reasons a button must be pressed and released for the command to be recognised. Keeping hold
of a button when pressing (unless otherwise instructed) will not be recognised as a command press.
IMPORTANT: Should the appliance fail to light or become extinguished for any reason, wait 3 minutes before
attempting re-ignition.
APPLIANCE CONTROL UNIT
Indicator Light:
•Off - Burner is in standby and ready for start, or already in continuous operation.
•Fast flashing - Control unit is busy and will not accept commands.
•Medium fast flashing - Control unit is preparing a (re)start of the burner.
•Slow flashing - Control unit is detecting an error.
•One short flash every 8 seconds - Low battery warning.
•Always on - Burner is locked.
White Power Isolator Switch
•Left position - Control unit is disconnected from all power supplies and does not consume power.
•Right Position - Control unit is powered and ready to operate.
Decrease Flame Button:
•Burner in operation - Use this button to reduce the power level.
Increase Flame Button:
•Burner in operation - Use this button to increase the power level.
Fig.2 Appliance control unit
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Power Button:
•Burner in operation - Use this button to stop burner operation.
•In standby mode - Use this button to start burner operation.
•Burner locked - Use this button to unlock the burner and to reset from error state.
•If control unit is preparing to restart - Use this button to stop the restart and disable further automatic
starts.
Battery box:
•Insert here 3x AA-type Alkaline batteries.
REMOTE CONTROL
Fig. 3 shows the main features of the remote control handset.
Fig.3 Remote control handset
USER INSTRUCTIONS

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The remote-control handset requires 2 AA size alkaline batteries to be inserted under the battery compartment
cover. The orientation of these is shown moulded into the battery compartment.
•To start the fire, with one hand grasp around the rear and both sides of the button area control. The green
unlock light will illuminate. Note: Keep a grip of the handset to keep it unlocked and to continue to operate
the command buttons.
•With the other hand touch and hold a finger on the power button for about 3 seconds. A short beep and
a flash of the unlock light will happen.
•When the word “pilot” appears at the bottom left-hand corner of the display, immediately release the
power button.
•A second flash of the unlock light and a longer beep will also sound at the time to release the power
button.
•The fire should be lit within a few seconds.
•If power button is held for more than a few seconds after second flash/beep/word pilot appears, the
command is ignored for safety reasons.
•Similarly if it is released too soon before the word pilot appears, the command is also ignored.
•With this system, the control has been designed to ensure that only intended ignition of the fire occurs.
•To stop – with handset held to unlock it, press then release power button.
SETTING THE REMOTE-CONTROL HANDSET
Upon successful insertion of the batteries in the handset the display will be as
shown in Fig. 4.
The handset will be supplied paired to the fire and all that is required is to set the
time of day and select if a 24h hour clock or 12 hour clock display is required and
if temperature display is on Celsius or Fahrenheit.
SETTING THE TIME AND DATE
Holding the handset as described previously to unlock the keypad, press and hold
“SET” for a few seconds and the display will be as shown in Fig. 5.
Set the display for 12 or 24 hour display - as always when pressing the remote
control buttons keep the control held to keep the green light on and therefore
handset safety feature unlocked. The H indicates that it is time to set the timer to
either 24 hour display or 12 Hour (AM or PM) display. Press the + or – button on
the handset to toggle between the two settings. When you are ready to confirm
the setting you want press the “SET” button to progress to setting the day of the
week.
Setting the day of the week - Press and release the + and – buttons until the correct
day of the week is shown on the display.
Mo = Monday, Tu = Tuesday, We = Wednesday, Th =Thursday, Fr = Friday,
Sa=Saturday and Su=Sunday
Press “SET” to accept the day of the week and to progress to setting the Hour of
the day. Note: Whilst doing this setup pressing “SET” advances to the next display
and pressing “MODE” will return you to the previous display setting.
Setting the hour - press and release the + or – button to change the hour to the
correct hour and press set to store and to move to setting the minute. Repeat
this for setting the minutes.
Fig.4
Fig.5
USER INSTRUCTIONS

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SETTING THE TEMPERATURE DISPLAY TO CELSIUS OR FAHRENHEIT.
Press and release the + or - button to toggle between °C and °F. When the display shows the desired symbol, press
and release the SET button to store the setting.
As the main settings above have now been done, press and hold (not releasing straight away) the “SET” button for
a few seconds and this will exit the setup menu. Alternatively you can press and release the set button several
more times until the time of day is displayed on the handset.
The control is now ready for use with the Fire Control.
Note: the legend at the bottom shows the battery condition of both the batteries in the handset and in the fire
control alternately. RC = Remote control handset and FC = Fire control.
The control is designed to get the most out of the batteries but when eventually the display shows they are spent
(when the battery legend is an empty area) we recommend you change the batteries in the handset before they
are flat, to avoid having to reprogram the time and date settings again.
PAGING THE HANDSET
If you have misplaced the handset (and it is in range of the fire), you can page it by pressing the + button only on
the Control unit for around 5 seconds. The handset will flash and make a noise to help you to locate it.
Once you pick up and grasp the handset to unlock it, the Control unit will detect this and so the sound stops. The
flashing and sound will last for 60 seconds each time the handset is paged as described. If not found in 60 seconds,
page again and so on.
NOTE: PRESS “+” Button ONLY, NOT + and - Together as you will accidentally break the handset pairing and
have to reset handset to factory state and pair again (see the pairing handset section if this happens).
HANDSET PAIRING
The handset should be supplied already paired with your fire, however if it becomes necessary to cancel the
pairing and re pair it again do the following steps below. (NOTE: A new pairing can be accidentally started by
accidentally pressing the plus and minus buttons together at the same time on the Control unit and held for 5
seconds.
FACTORY RESET OF DISPLAY HANDSET
To reset a handset to factory conditions to enable it to be paired with a control:
•Hold the handset to unlock. Press and hold SET until handset beeps and release the set button. PROG will be
at the top left corner.
•Press and release the MODE button until the word SETUP is flashing in the top right corner.
•Press and release SET to enter the SETUP menu.
•Press and release the set button around 9 times until you see CA0 on the display.
•Press then release the + (or – button) to change the display to CA1 and press and release the SET button again.
The word TESC will appear in the window to show that this handset is now reset and ready to pair again.
PAIRING THE HANDSET TO THE FIRE CONTROL UNIT
With 2 good quality AA alkaline batteries in the handset in the direction shown inside, if the handset can be paired
with a control it will display the word TESC as shown in Fig. 6.
The handset must be within 1 metre (3 feet) of the fire when pairing.
USER INSTRUCTIONS

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After fitting the batteries and with the power isolator, slide the switch on the control
unit to the on position (I). Simultaneously press and hold the – and + buttons on the
fire control unit (i.e. not the handset) until the red indicator light comes on. Then
immediately release the buttons and press the ON/OFF button on the control unit.
The handset makes a noise and the display shows the pattern as shown in Fig. 7.
Hold the handset in one hand so your fingers wrap around the back of the operating
buttons area of the handset. A green unlock light will illuminate when the handset
has detected your hand. The green light must be illuminated in this way for any of
the command buttons to accept commands to operate the fire control.
While the display is as shown, and holding the handset as described, press the SET
button with the other hand to finish off the pairing of the handset to the Fire Control.
You can then enter the setup and set the time of day on the handset as detailed
earlier in the instruction manual.
Note: If the display returns to the one shown in Fig. 7 with the word “TESC” shown,
then too much time has passed before pressing “SET” and so the handset has not
paired yet. Simply repeat pairing again.
Important: Only ever press + and - buttons together when pairing handsets. If done
afterwards this will break the pairing made and a factory reset of the handset will
need to be performed. See Factory Reset of display handset.
THERMOSTATIC MODE
Thermostatic mode will allow you to set a desired temperature for the appliance to
maintain. Once the temperature is reached the fire will reduce the power to
minimum and regulate itself to maintain the temperature. The timed thermostat
can be set before or during manual operation of the fire.
Hold the handset to unlock as described previously and press the mode button as
many times as necessary until the THERMOSTAT symbol is flashing at the top of the
display.
Press and release the set button and this will put the control into Thermostat mode.
The Sun, Moon or Frost symbol will on the left-hand side of the screen depending on
the time of day and temperature.
Press and release the set button to access the temperature control. You can adjust the temperature using the +
or – buttons.
After adjusting the temperature press set again to enter the setting required (or if left for a few seconds this time
is now stored and used).
If the fire is lit this will then adjust the power settings to reach and maintain the temperature. If the appliance is
not lit, Press and hold the ON/OFF button for 3 seconds (A short beep and a flash of the unlock light will happen.
When the word “pilot” appears at the bottom left-hand corner of the display, immediately release the power
button). The fire will now light and adjust the power settings to reach and maintain the set temperature.
Fig.6
Fig.7
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BATTERY REPLACEMENT
HANDSET: the handset is powered by two alkaline AA size batteries. To change the batteries in the handset,
remove the battery cover on the underside of the handset, unclip the batteries from its connector put in two new
ones in its place. Replace cover.
BURNER: wait until the fire is cold before attempting to change these batteries which are in the gas valve
underneath the burner behind the lower door and controls cover panel (Fig.1). Remove the battery cover on the
gas valve and remove the used batteries. Insert three new alkaline AA batteries observing the correct polarity.
Replace the battery cover.
ERROR CODES
The control unit is NOT faulty just because its shows an error code. The error code can be read when a wireless
control unit is paired with a wireless enabled remote control. The error code is there to enable servicing to identify
what may be happening to the control unit to cause the fire not to operate correctly. This is most likely to be
environmental or one of the other components that are connected to the control unit. If an Ecode is displayed,
allow the fire to cool and perform a normal start attempt to reset the control to standby. Then perform a normal
start attempt again to see if the fire has cleared the error and the fire is functioning correctly.
If the error does not clear, it is essential before undertaking any actions on the servicing as detailed below, that
the batteries being used are good and should be replaced with new ones to be sure that is not the problem. Faulty
batteries can cause false error codes. New batteries can be faulty too. ALWAYS CHANGE ALL THE BATTERIES
TOGETHER AND NOT JUST ONE OR TWO, AND ALWAYS OF THE SAME MAKE AND TYPE (I.E MANUFACTURER AND
MODEL TYPE).
The battery contact must be clean and there must not be any leakage from any batteries in the battery
compartment or on the battery contacts.
After replacing the batteries, to clear the error code perform a start cycle by pressing the start button as normal.
Then press again in the same way to attempt a new start cycle. The error code must be cleared for the fire to
function correctly.
Service and maintenance must only be carried out by a competent person who is registered with the appropriate
regulatory body. For example, in the UK Gas Safe Register is the regulatory body for gas engineers.
CONDENSATION
When the unit is turned on, condensation will initially form on the glass. This is a normal occurrence. Water vapour
is created when gas is burned. This will condense against the cold glass.
This condensation will form every time the unit is switched on from cold. The condensation will disappear once
the unit is at operating temperature.
In order to quickly get the unit to operating temperature, we strongly recommend you let the unit burn on high
for at least 15-30 minutes. This means you do not switch to low setting during this brief period and is the fastest
way to make sure the condensation disappears.
If the unit is immediately set to a lower setting after switching on for the first time, the glass will remain wet for
a long time, and this will result in it becoming dirty more quickly.
If the glass has not been cleaned properly after the first burn by the installer, it can appear to look cloudy or dirty.
It is important that the glass is cleaned after the appliance has been lit for the first time.
The condensation which forms on the internal surface of the glass during operation can collect airborne
contaminates which may cause staining. These contaminates can build up over a period of time, giving the
appearance of misty/cloudy viewing area and if left, may result in the need for the glass to be replaced.
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Adequate service and maintenance combined with the correct operational use will reduce the risk of this
happening.
VENTILATION
No additional ventilation is required for this appliance.
INSTALLATION
The registered installer will complete the commissioning document at the rear of this booklet. Here you will find
essential information about your appliance and the installation that you may need for future servicing or warranty
matters.
SERVICING
To ensure your appliance remains in optimum condition and to maintain your warranty coverage, it must be
serviced annually by a suitably qualified person.
CLEANING YOUR APPLIANCE
IMPORTANT: Do not clean the appliance when it is hot. Always allow to cool before performing any cleaning.
•Appliance body: Use a dry cloth to clean the appliance body.
•Glass panels: Use a damp cloth to clean the glass panels.
NOTE: Do not use hard (abrasive) sponges, steel wool, abrasives and cleaners with ammonia or acid (including
citric acid), paper towels, ceramic cook top cleaner. Only use water or mild detergents. We recommend using
Percy Doughty Glass Cleaner available through all good appliance retailers.
USER INSTRUCTIONS

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DIMENSIONS
INSTALLATION INSTRUCTIONS

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PARTS INFORMATION
PART
DESCRIPTION
1
Left fascia panel
2
Top
3
Spigot trim (x2)
4
Right fascia panel
5
Rear access panel
6
Front fascia panel
7
Burner cover panel
8
Front access panel
9
Control unit access door
10
Adjustable feet (x4)
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PARTS INFORMATION
PART
DESCRIPTION
1
Valve/control unit
2
Front glass and frame
3
Rotating support arm (x2)
4
Baffle plate
5
Pressure release plate
6
Baffle / glass retaining bracket
7
Reflective black glass panel
8
Side glass and frame (x2)
9
Magnetic push door catch
10
Burner tray fuel mesh
11
Burner tray
12
Restrictor elbow
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TECHNICAL INFORMATION
APPLIANCE GAS CATEGORY
I2H
HEAT INPUT (NETT) HIGH/LOW
5.4kW/2.75kW
SUPPLY PRESSURE
20 mbar ±1 mbar
GAS CONNECTION
8mm tube
GAS CONSUMPTION
0.58 m3/h
EFFICIENCY CLASS
1
INJECTOR
400 MH
FLUE RESTRICTOR PLATE
See page 20 for requirements
BALANCED FLUE CONNECTION
Ø100mm outlet / Ø150mm inlet
NOX CLASS
4
GAS CONNECTION
A gas restrictor elbow with test point is supplied and must be used when connecting the gas supply. The gas
restrictor elbow can be accessed by opening the control unit access door.
All gas supply pipes must be purged of any debris that may have entered, prior to connection to the appliance.
This includes the use of approved gas jointing compounds or sealing tapes.
The gas supply can enter through one of two supply holes: one located on the base section of the appliance,
behind the removable rear access panel, the other located centrally on the lower rear panel of the appliance (see
Fig. 8).
The gas supply must be installed in such a manner, that it does not hinder its safe use, does not restrict access for
the controls for the end user, does not hinder an inspection or servicing during any routine maintenance and
operation.
INSTALLATION INSTRUCTIONS
Fig.8 Gas supply routes

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CLEARANCES
All specified minimum distances to combustible materials must be adhered to.
The minimum distance to combustible materials at the rear is 50mm, however we recommend a minimum of
100mm to allow for easier access when making gas connections.
If a shelf is fitted a distance of 250mm above the appliance is required.
MINIMUM DISTANCE TO
COMBUSTIBLE MATERIAL
MINIMUM DISTANCE TO
NON-COMBUSTIBLE MATERIAL
SIDES (A)
300mm
150mm
ABOVE (B)
250mm
150mm
REAR (C)
50mm
50mm
TIMBER FRAMED BUILDINGS
It will be necessary to provide additional clearance when the flue passes through a wall containing any
combustible materials. This can be determined by an onsite risk assessment, completed by the installer.
The hole through which the flue will pass, must have a steel sleeve which is positioned so that an air gap of at
least 25mm is maintained between the outer surface of the flue, and any part of the sleeve.
For further guidance on the installation of gas appliances in timber framed buildings, contact your local buildings
control authority.
HEARTH
A hearth is not required when installing this appliance. IMPORTANT: the appliance must not be installed directly
onto a carpet.
Care should be taken to ensure the floor is level and capable of bearing the weight of the appliance and the
associated flue components. Fixing point are provided to secure the appliance into position (see page 21).
INSTALLATION INSTRUCTIONS
A
A
B
C
Fig.9 Clearances

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FLUE REQUIREMENTS
The flue must be sited in accordance with BS5440: Part 1 (latest edition). For terminations see page 19.
A guard must be fitted to protect any persons from any terminal discharge which is less than 2 metres above
any access such as level ground, a balcony or above a flat roof.
All vertical and horizontal flues must be securely fixed, and penetrations adequately fire stopped inhibiting the
spread of fire between 'compartments' within the building. All work must be in accordance with the current
building and fire stopping regulations.
Two types of flue terminals are available: horizontal and vertical. For minimum and maximum flue dimensions
see relevant sections.
Note: This appliance must only be installed with a Holetherm balanced flue system.
HORIZONTAL TERMINAL
First decide on the terminal position then measure the height from the top of the appliance to the centre of the
required outlet. For minimum and maximum flue dimensions see the diagram below.
Note: Terminal piece constitutes 500mm of run length (actual length is 480mm).
Assemble a horizontal flue in the following order:
•Vertical section
•90° elbow
•Horizontal plus terminal
INSTALLATION INSTRUCTIONS
Fig.10 Horizontal terminal dimensions

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Additonal 45° or 90° bends can be added to the horizontal run. For every 45° elbow added, the maximum
length of flue is reduced by 1 metre. For every additional 90° elbow added, the maximum length of flue is
reduced by 2 metres.
VERTICAL TERMINAL
For a vertical terminal installation there is a minimum vertical rise requirement of 2 metres and a maximum of 8
metres. See diagram below for more details.
TERMINAL LOCATION
The flue system or terminal shall not penetrate the shaded area of the roof.
Key
A = 600mm
B = 2000mm
INSTALLATION INSTRUCTIONS
Fig.11 Vertical terminal dimensions
Fig.12 Roof penetration

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TERMINAL LOCATION
Where two or more room sealed chimney configurations
terminate in close proximity at the same height, they
shall be separated by at least 600 mm. Where any one
vertical outlet is more than 300 mm above the other,
then they shall be separated by at least 1500 mm.
Fig. 13: A and B shall be at least 500 mm
KEY
TERMINAL POSITION
MINIMUM DISTANCE
A
Directly below an opening, airbrick, opening window etc.
300mm
B
Above an opening, airbrick, opening window etc.
300mm
C
Horizontally to an opening, air brick, opening window etc.
300mm
D
Below gutters, soil pipes or drains.
500mm
E
Below eaves.
500mm
F
Below balconies or car port roof.
600mm
G
From a vertical drain or soil pipe.
300mm
H
From an internal or external corner.
600mm
I
Above ground, roof or balcony level.
300mm
J
From a surface facing a terminal.
600mm
K
From a terminal facing a terminal.
600mm
L
From an opening in a car port (e.g. door, window) into dwelling.
1200mm
M
Vertically from a terminal on the same wall.
1500mm
N
Horizontally from a terminal on the same wall.
300mm
INSTALLATION INSTRUCTIONS
Fig.13 Multiple terminals
Fig.14 Terminal position

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RESTRICTOR REQUIREMENTS
HORIZONTAL TERMINAL VERTICAL TERMINAL
VERTICAL HEIGHT HORIZONTAL LENGTH RESTRICTOR SIZE VERTICAL HEIGHT RESTRICTOR SIZE
0.5m 0.5m* 45mm 2m up to 5m** 60mm
0.5m 0.75m** None required 6m up to 8m** 70mm
1m up to 3m 0.75m up to 4m** None required
*500mm terminal component.
** Including 500mm terminal component.
The appliance is supplied without a flue restrictor fitted. If required, determine the correct restrictor plate needed
and follow the instructions under ACCESS TO BURNER TRAY AND FUEL BED on pages 21-22. This will provide
access to the burner chamber. From here you need to remove the baffle plate to gain access to the flue outlet,
where you will find the location to mount the restrictor plate.
To remove the baffle plate, first remove the four screws highlighted below in Fig.15.
Next, loosen the two screws highlighted below in Fig.16. Note: do not completely remove the screws. Then lift
the back edge of the baffle upwards and away from the back of the appliance, carefully removing it.
You will now see 2 screws, one on each side of the flue opening. Loosen these screws and slide the restrictor
plate into position on the screws across the flue opening. Tighten the two screws to secure in place. Refit the
baffle in the reverse manner to removal.
INSTALLATION INSTRUCTIONS
Fig.15 Remove baffle screws
Fig.16 Loosen rear baffle screws
Fig.17 Two screws at flue terminal
Fig.18 Slide the restrictor plate into position