Dimplex BURNHAM BRN20 User manual

This product complies with all the required Product Safety, Electromagnetic Compatibility and Environmental Standards. This
product is fully compliant with the LVD, EMC, RoHS and Eco Design Directives.
BURNHAM
BRN20
8/54482/0 Issue 4
OCN 11806
EN: This product is only suitable for well insulated rooms or occasional use. DE: Dieses Produkt ist nur für gut isolierte Bereiche oder gelegentliche
Verwendung geeignet. FR: Ce produit convient uniquement à des endroits bien isolés ou pour un usage occasionnel. IT: Questo prodotto è adatto solo
per spazi ben isolati o per uso occasionale. ES: Este producto sólo es adecuado para espacios bien aislados o un uso ocasional. NL: Dit product is
uitsluitend geschikt voor goed geïsoleerde ruimten of voor sporadisch gebruik. PL: Produkt ten jest odpowiedni wyłącznie do dobrze odizolowanych
miejsc lub do okazjonalnego użytku. NO: Dette produktet egner seg kun for godt isolerte rom eller sporadisk bruk. RO: Acest produs este adecvat
exclusiv spaţiilor bine ventilate sau utilizării ocazionale. CZ: Tento výrobek je vhodný pouze do dobře izolovaných prostor nebo k příležitostnému
použití. DK: Dette produkt er kun egnet til velisolerede rum eller lejlighedsvis brug. PT: Este produto somente é adequado para espaços bem isolados
ou uso ocasional. SE: Denna produkt är endast avsedd för välisolerade utrymmen eller tillfällig användning. FI: Tämä tuote soveltuu ainoastaan hyvin
eristettyihin tiloihin tai satunnaiseen käyttöön. SK: Tento výrobok je vhodný len pre dobre izolované priestory alebo na občasné použitie. SI: Ta izdelek
je primeren le za dobro izolirane prostore ali za občasno uporabo. HR: Ovaj proizvod je pogodan samo za dobro izolirane prostore ili povremenu
upotrebu. HU: Ez a termék csak jól szigetelt terekhez vagy eseti használatra alkalmas

Dimplex Burnham BRN20
Introduction
Thank you for choosing this Dimplex electric re. Please read this information guide carefully to be able to safely
install, use and maintain your product.
Important Safety Advice
When using electrical appliances, basic precautions should always be followed to reduce the
risk of re, electrical shock and injury to persons, including the following:
1. OVERHEATING
WARNING: In order to avoid overheating, do not cover the heater. Do not place material or
garments on the heater, or obstruct the air circulation around the heater. The heater carries a
DO NOT COVER warning.
2. DAMAGE.
If the appliance is damaged, check with the supplier before installation and operation.
If the supply cord is damaged it must be replaced by the manufacturer or service agent or a
similarly qualied person in order to avoid a hazard.
3. LOCATION
Do not use outdoors.
Do not use in the immediate surroundings of a bath, shower or swimming pool.
Do not locate the heater immediately below a xed socket outlet or connection box.
Ensure that furniture, curtains or other combustible material are positioned no closer than 1
metre from the heater.
Although this heater conforms with safety standards, we do not recommend its use on deep
pile carpets or on long hair type of rugs.
4. PLUG POSITIONING
The appliance must be positioned so that the plug or point of isolation is accessible.
Keep the supply cord away from the front of the heater.
5. USE OF OTHER CONTROLS
Do not use this heater in series with a thermal control, a program controller, a timer or any
other device that switches on the heat automatically, since a re risk exists when the heater is
accidentally covered or displaced.
6. UNPLUGGING
In the event of a fault unplug or osolate the device.
Unplug or isolate the device when not required for long periods.
7. OWNER/USER
This appliance can be used by children aged from 8 years and above and persons with
reduced physical, sensory or mental capabilities or lack of experience and knowledge if they
have been given supervision or instruction concerning use of the appliance in a safe way and
understand the hazards involved. Children shall not play with the appliance. Cleaning and user
maintenance shall not be made by Children without supervision.
Children of less than 3 years should be kept away unless continuously supervised. Children
aged from 3 years and less than 8 years shall only switch on/o󰀨 the appliance provided
that it has been placed or installed in its intended normal operating position and they have
been given supervision or instruction concerning use of the appliance in a safe way and
understanding the hazards involved. Children aged from 3 years and less than 8 years shall
not plug in, regulate and clean the appliance or perform user maintenance.
8. ELECTRICITY
WARNING – THIS APPLIANCE MUST BE EARTHED.
This heater must be used on an AC ~ supply only and the voltage marked on the heater must
correspond to the supply voltage.
Before switching on, please read the safety advice and operating instructions.

General Information
Only use ltered water in this appliance.
This model is designed to be free standing and is normally positioned near a wall.
To reduce heat loss and to prevent any chimney up draft a󰀨ecting the operation of your inset re we recommend they
the chimney ue is sealed o󰀨.
Always ensure that the appliance is sitting on a level surface.
Although this heater complies with safety standards, we do not recommend its use on deep pile carpets or on long
hair type of rugs.
Please note: Used in an environment where background noise is very low, it may be possible to hear a sound which is
related to the operation of the ame e󰀨ect. This is normal and should not be a cause for concern.
If this product experiences a power surge for whatever reason the product may cut-out. This is a normal safety feature
and the product will resume operation after 30 seconds.
Once installed, never move this appliance or lay on its back, without draining the water from sump and water tank.
If you intend not using the appliance for longer than a week, drain the water from sump and water tank and dry the
sump.
The water tank, sump, sump lid, tank cap and air lters must be cleaned once every week, particularly in hard water
areas.
The appliance should never be operated if the lamps are not working.
The lamps should be regularly inspected as described under ‘Maintenance’ and ‘Changing lamps’.
The sump and the water tank in this product are treated with a biocidal product, Silver Biocide. This conforms with the
latest relevant ISO standard
Technical Information
Model No: BRN20
Heat Output 230V 240V
Nominal Heat Output P Nom 1.6 - 1.8 kW
Minimum Heat Output P min 0.8 - 0.9 kW
Maximum Continous Heat Output P max,c 1.6 - 1.8 kW
Auxiliary Electricity Consumption
In Standby mode el SB 0.45 - 0.48 W
with mechanic thermostat room temperature control
Installation Instructions
This section describes how to set up your re.
Before installing this appliance in an existing chimney, we recommend that;
1. You have your chimney cleaned by a competent chimney sweep.
2. You block o󰀨 the chimney ue.
This procedure is important for the e󰀩cient operation of the heating unit and will also reduce heat loss up the chimney.
BEFORE YOU START
1. Ensure that all packing items are removed (read any warning labels carefully) and retain all packing for possible
future use e.g. in the event of moving house or returning the appliance to your supplier.
2. Before connecting the product, check that the supply voltage is the same as that stated on the heater.
INSTALLATION
WARNING: FALLING OR TIPPING APPLIANCES CAN CAUSE INJURY OR DEATH OF YOUNG CHILDREN,
PLEASE ENSURE CHILDREN DO NOT CLIMB, HANG OR STAND ON THIS PRODUCT.
WARNING: THE APPLIANCE IS PROVIDED WITH A TIPPING RESTRAINT, THIS RESTRAINT IS NOT A
SUBSTITUTE FOR PROPER ADULT SUPERVISION. THIS RESTRAINT MAY PROVIDE PROTECTION AGAINST
TIPPING FURNITURE. DO NOT ALLOW CHILDREN TO CLIMB ON FURNITURE. FAILURE TO DETACH THIS
RESTRAINT BEFORE MOVING FURNITURE MAY RESULT IN INJURY AND DAMAGE.
This product is provided with a ‘Tipping Restraint Kit’ as shown in Fig 1, to prevent the product accidentally tipping
over. Fitting Instructions are supplied with this kit please follow these instructions carefully.
Hold the re by the sides of surround and gently manoeuvre into position.
Place the re against a wall and connect to your electricity supply.

Operating the Fire
This section describes how to activate your re using either the manual controls or remote control.
MANUAL CONTROLS
The manual controls are located beneath the hinged ap. (Fig.10 for Manual Control lay out)
Switch ‘A’:- Controls the electricity supply to the Fire.
Note: This switch must be in the ‘ON’ ( I ) position for the Fire to operate either with or without heat.
Switch ‘B’:- Press once to turn on the ame e󰀨ect. This will be indicated by an audible beep. Although the main
lights operate immediately it will take a further 30 seconds before the ame e󰀨ect starts.
Press again to give ame e󰀨ect and half heat. This will be indicated by two beeps.
Press again to give ame e󰀨ect and full heat. This will be indicated by three beeps.
Press again to return to ame e󰀨ect only. This will be indicated by one beep.
Press to put re in to standby mode. This will be indicated by one beep.
Control Knob ‘C’:- Controls the Thermostat setting.
Turning the control knob to the left will decrease the temperature setting, turning the control knob
to the right will increase the temperature setting.Control Knob ‘D’:- Controls the intensity of the ame e󰀨ect.
Turning the control knob to the left increases the ame e󰀨ect, turning the control knob to the right will
decrease the ame e󰀨ect.
SETTING THE THERMOSTAT
Ensure the re is plugged in and switch it on to the full heat setting. Turn the Control Knob ‘C’ fully to the right (max
temperature setting) to warm the room rapidly. When the room temperature has reached the desired level, turn the
thermostat knob back slowly until you hear the thermostat click o󰀨. The heater will then maintain the room temperature
at the chosen level.
Note: Should your heater fail to come on when the thermostat is at a low setting, this may be due to the room
temperature being higher then the thermostat setting
THERMAL SAFETY CUT-OUT
A thermal safety cut-out is incorporated in the fan heater to prevent damage due to overheating. This can happen
if the heat outlet was restricted in any way or if the chimney ue has not been blocked o󰀨 e󰀨ectively.. If the cut-out
operates, unplug the heater from the socket outlet and allow approximately 10 minutes before reconnecting. Before
switching the heater back on remove any obstruction that may be restricting the heat outlet, then continue normal
Connect the power cable to the appropriate power connector at the back of the re.
Plug the power cable into a 13amp/240volt outlet. Ensure that the supply cable exits at the back of the re, at the right
or left hand corner to suit your supply socket location and is not trapped under the re such that it might cause it to be
damaged.
Do not yet switch the appliance on.
Connecting the Transducer Unit + Lamps
1. Release the two red tabs by turning them by 90 degrees (Fig 2)
2. Lift out the Sump Nozzle (Fig 3)
3. Insert lamps into lamp holders (Fig 4), carefully locating the pins into the holes (Fig 4a)
4. Push lamps rmly into place
5. Place the Transducer Unit into the sump and join the cable to the connector on the sump (Fig 5)
6. To ensure that the Transducer Unit is correctly placed in the sump, the tab on the Transducer Unit should be lined
up with the moulded recess in the sump (Fig 5a).
7. Ensure that the cable is not placed above the disc on the Transducer Unit (Fig 5b). To prevent the cable becoming
pinched between the nozzle and the sump, place the cable in the slot in the wall of the sump.
8. Replace the Sump Nozzle and secure it by turning the two red tabs by 90 degrees (Fig 6)
Filling the Water Tank
9. Place Water Tank in sink and remove cap (turn anti-clockwise to open) (Fig 7)
10. Fill Water Tank with ltered tap water only. This is necessary to prolong the life of the ame and smoke
producing unit. The water should be ltered through a conventional domestic water lter unit and the lter should
be replaced regularly. Distilled water must not be used.
11. Screw the cap back on – do not overtighten.
12. Place the Water Tank in the Sump, with the tank cap facing down and the at side of the tank facing outward (Fig 8)
Assembling the re
13. Place the Fuelbed on top of the Water Tank and Mist Nozzle (Fig 9)

Maintenance
GENERAL TIPS
Only use ltered tap water in this appliance.
Always ensure that the appliance is sitting on a level surface.
If you intend not using the appliance for longer than a week, remove and empty the sump and water tank.
Once installed, never move this appliance or lay on its back, without draining the water from sump and water tank.
The appliance should never be operated if the lamps are not working.
The lamps should be regularly inspected as described under ‘Changing lamps’.
FILLING THE WATER TANK
When the water tank is empty, the ame and smoke e󰀨ect shuts o󰀨 and you will hear 2 audible beeps, follow these
steps.
1. Press Switch ‘A’ to (0) (Fig.10)
2. Gently lift out the fuelbed and carefully set aside.
3. Remove the water tank by lifting upwards and outwards.
4. Place the water tank in sink and remove cap, Anti-clockwise to open. (Fig 7)
5. Fill tank with ltered tap water only. This is necessary to prolong the life of the ame and smoke producing unit.
The water should be ltered through a conventional domestic water lter unit and the lter should be replaced
regularly.
6. Screw the cap back on, do not over tighten.
7. Return the tank to the sump, with the tank cap facing down and the at side of the tank facing outward. (Fig 8)
8. Gently place the fuelbed back into position. (Fig 9)
9. Press Switch ‘A’ to ‘ON’ (I) position (Fig.10)
CHANGING LAMPS
If the ame and smoke e󰀨ect appears grey or colourless it may be that one or more lamps have failed.
You can check for lamp failure as follows.
1. Leaving the ame e󰀨ect on, lift out the fuelbed and water tank.
2. It should be possible to view the lamps with the nozzle in place and observe which one needs to be changed.
3. Put Switch ‘A’ in the ‘OFF’ position, and unplug the re from the mains.
4. Leave the appliance for 20 minutes to allow the lamps to cool down before removing them.
5. Remove the sump as described in the Cleaning Section.
6. Remove the defective lamp, by gently lifting vertically and disengaging the pins from the lamp holder, (Fig.4 and
4a).
Replace with a Dimplex OPTIMYST, 12V, 45W, Gu5.3 base, 8º beam angle, coloured lamp. (Purchased from our
operation.
Caution: In order to avoid a hazard due to inadvertent resetting of the thermal cutout, this appliance must not be
supplied through an external switching device, such as a timer, or connected to a switch that is regularly switched on
and o󰀨 by the utility.
GETTING THE DESIRED FLAME EFFECT
1. The ame control knob ‘D’ (Fig.10) may be turned up or down to give a more realistic e󰀨ect.
2. Generally the ames appear more realistic when the ame control is turned down.
3. Give the ame generator time to react to changes you may make.
4. The re will use less water if the ame e󰀨ect is set to a lower level.
5. Do not tilt or move the re while there is water in the tank or sump.
6. Make sure that the re is on a level oor.
REMOTE CONTROL OPERATION
On the control panel, Switch A (Fig.10) must be in the ‘ON’ ( I ) position in order for the remote control to operate.
There are 3 buttons on the remote control. (Fig.12) To operate correctly the remote must be pointed towards the front
of the grate. (Fig 17). The remote control functions are as follows:
Press once to turn on Flame e󰀨ect only.
This will be indicated by one beep.
Press once to turn on Half Heat and Flame E󰀨ect.
This will be indicated by two beeps.
Press again to turn on Full Heat and Flame E󰀨ect.
This will be indicated by three beeps.
Standby
This will be indicated by one beep.

website http://spares.dimplex.co.uk)
7. Carefully insert the two pins of the new lamp into the two holes in the lamp holder. Push rmly in place. (Fig.4 and
4a).
8. Replace the sump, nozzle, water tank and fuelbed.
CLEANING
Warning – Always press Switch ‘A’ to the ‘OFF’ (0) position (Fig.10) and disconnect from the power supply before
cleaning the re.
We recommend cleaning the following components once every week, particularly in hard water areas:-
Water Tank, Sump, Nozzle, Tank cap and seal, Air lter.
For general cleaning use a soft clean duster – never use abrasive cleaners.
To remove any accumulation of dust or u󰀨 the soft brush attachment of a vacuum cleaner should occasionally be
used to clean the outlet grille of the fan heater.
Water tank
1. Remove water tank, as described earlier, put into sink and empty water.
2. Using the supplied brush gently rub the inside surfaces of the cap paying particular attention to the rubber ring in
the outer groove and the centre rubber seal.
3. Put a small quantity of washing up liquid into the tank, ret the cap and shake well, rinse out until all traces of
washing up liquid are gone.
4. Rell with ltered tap water only, replace the cap, do not overtighten.
Sump
1. Press Switch ‘A’ to the ‘OFF’ (0) position
2. Gently lift out the fuelbed and place carefully on the ground.
3. Remove the water tank by lifting upwards.
4. Disconnect the electrical connector, located on the right side of the sump. (Fig.5) .
5. Release the right sump locking tabs by turning 90º. This allows the sump to be lifted completely from its location.
(Fig. 11)
6. Gently lift up the sump, taking care to keep level so as not to spill any water. Sit the assembly in the sink.
7. Release the left sump locking tabs by turning 90º, then lift o󰀨 the Nozzle. (Fig.3)
8. Lift out the transducer and carefully tilt, as shown, so that the liquid drains out of the sump. (Fig.13)
9. Put a small amount of washing up liquid into the sump, and using the supplied brush, gently clean all surfaces in the
sump and gently clean the transducer including the metal discs located in the top grooved surface. (Fig.14)
10. When cleaned, thoroughly rinse the sump with clean water to remove all traces of washing up liquid.
11. Clean the Nozzle with the brush and ush out thoroughly with water. (Fig.15)
12. Reverse the above steps to reassemble.
Air lter
1. Gently lift out the fuelbed and place carefully on the ground.
2. Gently slide the air lter upwards out of its plastic holder. (Fig.16)
3. Gently rinse with water in the sink and dry with fabric towel before returning.
4. Replace the lter making sure that the coarse black lter is facing the front of the re.
5. Replace the fuelbed.
Additional Information
AFTER SALES SERVICE
Your product is guaranteed for one year from the date of purchase. Within this period, we undertake to repair or
exchange this product free of charge (excluding lamps and transducer discs & subject to availability) provided it has
been installed and operated in accordance with these instructions. Your rights under this guarantee are additional to
your statutory rights, which in turn are not a󰀨ected by this guarantee.
The transducer is a consumable item and may need to be replaced through time, depending on its usage. Replacement
transducers can be purchased from our website http://spares.dimplex.co.uk.
The transducer has a 12 month warranty period.
RECYCLING
At the end of the electrical products useful life it should not be disposed of with household waste. Please recycle where facilities exist. Check with your Local Authority or retailer for recycling advice in your area.
PATENT / PATENT APPLICATION
Products within the Optimyst range are protected by one or more of the following patents and patent applications:

Symptom Cause Corrective Action
The ame e󰀨ect will
not start.
Mains plug is not plugged in.
Low water level.
Low voltage connector not connected
properly. (Fig.5)
The Transducer Unit is not sitting correctly in
the sump
Check plug is connected to wall socket
correctly.
Check that the water tank is full and there is
water in the sump.
Check that the connector is inserted
correctly. (Fig.5)
Ensure the Transducer in sitting down into
the moulded recess in the sump
The ame e󰀨ect is too
low.
Flame e󰀨ect control knob is set too low.
(Fig.10)
The Metal Disc in the transducer might be
dirty (Fig.14)
The wire from the Transducer Unit is sitting
over the metal disc
Increase level of ame by turning Control
knob ‘D’ to the left slowly. (Fig.10)
Clean the Metal Disc with soft brush
supplied. (Fig.14) See ‘Maintenance.’ for a
step by step procedure.
Direct the wire to the back of the sump and
make sure it sits into the side slot exiting the
sump.
Unpleasant smell
when unit is used.
Dirty or stale water.
Using unltered tap water.
Clean the unit as described under
maintenance.
Use only ltered tap water.
The ame e󰀨ect has
too much smoke.
Flame e󰀨ect setting is too high. Turn the ame e󰀨ect Control knob ‘D’ to
the right, about ¼ a turn, at a time. Give the
ame generator some time to adjust to the
new setting. (Fig.10)
Main lamps are not
working and there are
no ames or smoke.
There is no water in the water tank Follow instructions under
Maintenance, ‘Filling the water tank’.
Check the plug is connected to the wall
socket correctly and that Switch ‘A’ Fig. 10 is
in the ‘ON’ ( I ) position.
Troubleshooting
Great Britain GB 2402206, GB 2460259, GB 2460453 , GB 2418014, GB 2465738, GB 2449925, GB 2465537 , GB
2455277 , GB1020534.2, GB1020537.5, GB1110987.3
United States US 7967690, US 2010299980, US 2011062250, US 2008028648, US 13/167,042
Russia RU2008140317
European EP 2029941, EP 2201301, EP 2315976, EP 1787063, EP07723217.1 , EP11170434.2, EP 11170435.9
China CN 101883953, CN 200980128666.2, CN 101057105, CN 101438104
Australia AU 2009248743, AU 2007224634
Canada CA 2725214, CA 2579444, CA 2645939
International Patent Application WO 2006027272
South Africa ZA 200808702
Mexico MX 2008011712
Korea KR 20080113235
Japan JP 2009529649
Brazil BR P10708894-9
India IN 4122/KOLNP/2008
New Zealand NZ 571900

Fig. 4 Fig. 4a
Fig. 2 Fig. 3
Fig. 1

Fig. 5 Fig. 5a
Fig. 5b Fig. 6
Fig. 7 Fig. 8

Fig. 10
Fig. 11 Fig. 12
Fig. 13 Fig. 14
Fig. 9

Fig. 15
Fig. 16
Fig. 17

OPTIMYST is a trade mark of Glen Dimplex Heating and Ventilation.
Dimplex
Millbrook House,
Grange Drive,
Hedge End,
Southampton
Hampshire
SO30 2DF
TEL: [phone]
Website: www.dimplex.co.uk
Republic of Ireland
Tel. [phone]
cGlen Dimplex Heating & Ventilation.
All rights reserved. Material contained in this publication may not be reproduced in whole or in part, without prior permission in
writing of Glen Dimplex Heating & Ventilation.