Dimplex DuoHeat Duo300N User manual

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A division of GDC Group Ltd

Millbrook House Grange Drive Hedge End Southampton SO30 2DF

www.dimplex.co.uk

istered No: 1313016 En

land

VAT GB 287 1315 50004

EEE Producer Registration Number –

WEE/GE0057TS

Paper from sustainable sources

Operating Instructions

DuoHeat® radiator

Models: Duo300N

Duo400N

Duo500N

These instructions should be read carefully and

retained for future reference. Note also the

information given on the appliance.

Issue 1 December 2010

These instructions

should be read

carefully and retained

for future reference.

Note also the

information given on

the appliance.

IMPORTANT

SETTING UP YOUR NEW HEATER

Setting up your new heater, called ‘commissioning’ is simple as instructed on

page 3. Please note that the new materials in the heater will produce a slight

smell for the ﬁrst few days of operation. Rooms must be well ventilated and

young children, caged birds, or persons with respiratory complaints

must not remain in close proximity to the heater during the ﬁrst 48

hours of the set-up period. If several new heaters have been installed it’s

recommended that the set-up for each one (commissioning) is phased over

several days.

WARNING - THE SURFACE OF THIS HEATER CAN BE HOT.

• The surface temperatures of this heater are within the requirements of

EN60335-2-61, the European Standard covering the safety requirements

for Electric Storage Heaters, and momentary contact with any part of the

heater should not cause injury. However, in order to be effective, heaters of

any type do get hot, especially around the air outlet grille.

• If aged or inﬁrm persons, or young children, are likely to be left unsupervised in

the vicinity of a heater precautions should be taken to ensure that prolonged

contact with the heater cannot occur. We recommend that a guard is ﬁtted

around the heater, as is normal with some types of heating appliances in similar

circumstances. A range of guards specially designed for Dimplex storage

heaters is available. If you require further information on these guards, please

see contact details on back page.

• This appliance is not intended for use by persons (including children) with

reduced physical, sensory or mental capabilities, or lack of experience and

knowledge, unless they have been given supervision or instruction concern-

ing use of the appliance by a person responsible for their safety.

• Children should be supervised to ensure that the do not play with

the appliance.

CAUTION: DO NOT COVER SURFACES OF THE HEATER AND DO NOT

OBSTRUCT AIR OUTLET GRILLES.

• Surfaces of the heater should not be covered or obstructed as this can

cause excessive temperatures that can be hazardous and may cause

safety cut-outs to operate.

• Do not put clothes, fabrics or any combustible materials on the heater.

• Do not allow curtains to come within 75mm (3”) of the top and ends of the

heater.

• DO NOT SIT OR STAND ON THE HEATER.

• DO NOT PLACE OBJECTS IN CONTACT WITH THE HEATER.

PLEASE NOTE: YOUR DUO HEATER IS VERY HEAVY AND MUST BE

SECURELY FIXED TO A SOUND WALL.

• No attempt should be made to move the heater without ﬁrst seeking

specialist advice. If you are not happy that the heater has been securely

ﬁxed, please inform your installer.

• If, during any reassembly of the heater, a part of the thermal insulation

shows damaged or deterioration which may impair safety, it should be

replaced with an identical part.

• UNDER NO CIRCUMSTANCES SHOULD THE WALL FIXINGS BE

LOOSENED ON THIS HEATER BEFORE THE BRICKS HAVE BEEN

REMOVED FROM ITS CORE.

The beneﬁts of DuoHeat®

The DuoHeat radiator is the latest in energy efﬁcient heating.

With a slim modern design and user friendly electronic

controls DuoHeat is the perfect choice to provide efﬁcient,

controllable heating.

Your DuoHeat radiator works by providing continuous warmth

from a carefully balanced combination of “stored” and

“radiant” heating. Some energy is taken in by the radiator

when electricity tariffs are low and this is supplemented

by top up from the low wattage element attached to the

front panel, to ensure the room temperature remains at

your preferred level throughout the day.

Know your heater

Off-peak electricity is supplied from the National Grid to your

house – usually overnight – when national demand for electricity

is low. This is called the off-peak period.

Because it is off-peak it is supplied at a cheaper price than

normal day rate electricity and requires a separate off-peak

electrical circuit and meter. This circuit operates the storage

heaters and switches on automatically during the off-peak time

period which will occur at times of the night or day. If you are

unsure what off-peak tariff you have, you will need to contact

your electricity supplier.

In the same way as you charge up a battery, electricity is used

to heat elements in your heater, then over a number of hours,

the elements gradually transfer the heat to a very high density

material that absorbs and stores the heat for use during the

next day. This process is referred to as ‘charging’ the heater.

However in order to ensure your room stays warm overnight,

DuoHeat is designed to give out some heat even when the

heater is ‘charging’.

The normal on-peak (or day rate) circuit supplies energy to

operate the low wattage radiant panel and the controls within

the heater, when needed for top-up heating. Feet

Identity

label

Min Max

❅

Switch for on-peak

radiant panel

[leave ‘ON’ for

heating season]

Controls: ‘Comfort’ and ‘Background’

Front

panel

Off-peak

electricity switch

[leave ‘ON’ for

heating season]

Setting up your heater for normal use

The heater is set at a factory default setting, however you can

check this has not been altered by the installer. The normal setting

shows 5 bars.

4 Check or set the ‘Background’ mode: This controls the

amount of heat that is stored. To show the hidden menu press the

+ button until 10 bars are illuminated and continue to hold for a

further 7 seconds. Then adjust by pressing the + or – buttons

and set at the mid point (5th bar).

After 20 seconds, the display will go back to the default

Comfort mode. You need to set the Comfort mode as described

below.

5 Setting the ‘Comfort’ mode: This controls the level of

radiant heat. Set at the mid point (5 bar) by pressing the + or –

buttons for more or less radiant heat.

Setting up your new heater

The controls

Models DUO300N, DUO400N, DUO500N

DuoHeat radiators have just one simple electronic

temperature control display on the top right hand of the heater.

1 The TEMPERATURE CONTROL has two output modes:

Mode 1 ‘Comfort’: (on-peak: radiant heat) - default setting

Mode 2 ‘Background’: (off-peak: stored heat)

Each mode needs to be set to the correct level to

provide the optimum heating comfort.

To commission a new heater

To commission a new heater, adjust the background setting to

max - 10 bars lit and the comfort setting at 5. Leave for 48 hours.

Please remember that any subsequent changes you make can

take at least 24 hours to take effect.

2 For DuoHeat to operate correctly, both electricity supplies from

the wall switches must be switched ‘on’ at all times.

3 When the radiator is switched on, illuminated bars will indicate

the temperature setting – the radiator will automatically be in

‘Comfort’ mode.

Depending on your comfort requirements, there are three

recommended settings: Normal, Low, High. See below.

IMPORTANT - The new materials in the heater are likely to

produce a smell for the ﬁrst few days of operation.

Rooms must be well ventilated and young children, caged

birds, or persons with respiratory complaints must not

remain in close proximity to the heater during the ﬁrst 48

hours of the set-up period.

Multiple installations

If several new heaters have been installed it’s recommended that

the set up (commissioning) is phased over several days.

Min Max

❅

Min Max

❅

Min Max

❅

Illuminated bars

show heat levels

Child lock

Illuminates BLUE when in frost

protection mode/low setting

TIP After 20 seconds the temperature control display will

automatically show the ‘Comfort’ mode. The illuminated bars

will dim after approx 10 seconds if no adjustment is made.

Press and hold for 7 seconds.

Then adjust – or +

Press for more or less

radiant heat.

Min Max

❅

Min Max

❅

Background mode

Comfort mode

Min Max

❅

Min Max

❅

Min Max

❅

Min Max

❅

High setting

7 Increase the ‘Background’ setting to 8th bar by pressing

the + button until 10 bars are illuminated. Continue to hold for a

further 7 seconds then adjust to 8th bar by pressing – or +

Set the ‘Comfort’ setting to 5th bar by pressing – or +

TIP After setting the controls: Operate the radiator for 24 hours

before making further adjustments to the settings.

TIP It may require a few days ﬁne-tuning to achieve an optimum

comfort level. On subsequent days increase or decrease the

temperature by one red light until a satisfactory comfort level has

been established. Once established the radiator will automatically

adjust to suit seasonal changes in temperature.

During mild weather Background heat may not operate or be re-

quired, however the Comfort heat - low wattage - may still operate.

Child lock operation

8 To activate: simultaneously depress the + and – buttons

for a period of 3 seconds. After this period the childlock is in

operation and the LED will illuminate for a short period and then

revert to the setback setting.

- The LED beside the key or lock symbol will illuminate while the

child lock is in operation.

- Once in the locked position, if either of the controls are

operated the LED will resume maximum illumination for a short

period before reverting back to the setback position.

To deactivate: depress the buttons simultaneously again for 3

seconds and the buttons will become active.

Min Max

❅

TIP If the child lock is illuminated green this shows that the

radiator is connected to an external control. See these instructions

for further information.

Glows red when

child lock ‘ON’

Press – and + simultaneously

for 3 seconds to set the

child lock

Low setting [e.g. holiday home in period of vacancy]

6 Select the Background mode by pressing the + button

until 10 bars are illuminated. Continue to hold for a further

7 seconds, then adjust down to 1st bar by pressing – to

show blue.

After 20 seconds this will automatically revert to show the

‘Comfort’ mode.

In ‘Comfort’ mode reduce to 1st bar by pressing – to show blue.

Min Max

❅

On low setting the ﬁrst

bar shows blue

TIP The blue frost protection bar may be illuminated because

the heater is connected to an external control.

Seasonal settings

Summer

In summer, the heater can be turned off at

the wall. Don’t forget to turn it back on when

the weather starts to get cold again.

The heater wil remember both the

Background and Comfort settings which

were set when it was turned off.

Holidays

In the summer the heater can be turned off

at the wall, or in the winter set at the lowest

Comfort and Background setting to protect

the room from frost. Min Max

❅

OFF

TIP Remember when you switch the heater

on again it may need a ‘charge’ for 24 hours

before heat is available.

Set both Background and Comfort

modes to min/frost setting

Troubleshooting guide

Please note this guide refers to heaters being operated individually. If a central control system is installed some issues may require

that you refer to the instructions provided with the system controlling the heaters.

ISSUE SOLUTION

My heater is too cold • Has there been an interruption to mains power? A power cut during the off-peak period could affect the

charge taken by the heater.

• Ensure that the off-peak circuit is working, the wall switch is on and the fuse is ok.

• Turn up the BACKGROUND control (this may take up to 24hrs to take effect).

• Turn up the COMFORT control (this will start to take effect immediately).

• Has the heater been inadvertently covered? If so, the safety cut-out may have operated.

Please contact Customer Services if this is the case. A service call out will be necessary to reset the cut-out

and there will be a charge for the call out.

• Do you have another heater nearby? If so please see ‘One of my heaters is colder than the other’ below.

• The room temperature will have an effect on the charge taken, therefore if the room is already warm the

heater will not take an unnecessary charge.

My heater is too hot • Adjust the COMFORT setting down to determine if background is set too high.

• Turn the BACKGROUND control down (this may take up to 24hrs to take effect).

One of my heaters is • If two heaters are ﬁtted in one area, they may affect each other’s operation.

colder than another • Set one heater higher as a ‘primary’ source of heat, and the other lower to provide ‘supporting’ heat to

avoid the heaters cancelling each other out and taking a reduced charge.

My room is not warm • Turn up the BACKGROUND control (this may take up to 24hrs to take effect).

enough in the evening • Turn up the COMFORT control.

Smells other than • Apart from the commissioning period and perhaps after a long period of inactivity when there may be

that caused during an accumulation of dust within the heater, no smells should be present. One exception is when

commissioning decoration is being carried out, especially if the substances used have a petrochemical base.

• If decorating is to be carried out, turn off the heater and ensure the room is well ventilated before the

heater is turned back on again.

The heater has • Lit cigarettes, candles and oil burners, combined with the convection effect of a heater can

left black marks cause soot deposits to build up on the surface directly above and to the sides of the heater.

on the wall • Installing a shelf above the heater is one solution, as the heat rising above the heater will be diverted

away from the wall and into the centre of the room. Please ensure a minimum of 250mm clearance

between the top of the heater and the shelf.

Unable to adjust • Turn the power supplies off for ﬁve minutes and then switch them back on.

any controls • Check external controller if one is connected.

Cleaning

To maintain the external appearance of the radiator it need only be wiped over

occasionally with a dry duster. During the summer months, or at other times when the

appliance is not in use and is completely cold, the opportunity should be taken to wipe

over with a damp cloth. Do not use abrasive cleaning powders or furniture polish.

Discoloration of wall ﬁnishes can sometimes occur immediately above a storage heater

due to the properties of some paints and decorating materials or the presence of

environmental impurities in the air (such as soot or incense generated from the

burning of candles, etc.) A suitable shelf (available from Dimplex) may be ﬁtted to limit

the extent of any wall discoloration.

After sales service

Your product is guaranteed for two years from the date of purchase.

Within this period, we undertake to repair this product free of charge 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 affected by this guarantee.

Should you require after sales information please go to www.dimplex.co.uk

where you will ﬁnd our self help guides and videos by clicking on ‘Customer

Support’. If you cannot ﬁnd the information you need, a simple online form is

provided for your convenience, or contact the number below.

You will need the model number, serial number and series, date of purchase, and nature

of the fault to complete the online form or before contacting us.

Please do not return a faulty product to us in the ﬁrst instance as this may result in loss

or damage and delay in providing you with a satisfactory service.

Please retain your receipt as proof of purchase.

Spare parts

Spare parts information is available on the website www.dimplex.co.uk, and the customer

services help desk will be able to advise you should you need to purchase any spares.

You will need the model number, serial number and series, date of purchase, and nature

of the fault to complete the online form or before contacting us.

Protective guards

A range of protective guards designed for Dimplex storage heaters is available to order.

For more information contact Norfolk Industries on 01603 667957.

Recycling

For electrical products sold within the European Community.

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 country.

This product complies with the European Safety Standards EN60335-2-30 and the European Standard Electromagnetic

Compatibility (EMC) EN55014, EN60555-2 and EN60555-3.

These cover the essential requirements of EEC Directives 2006/95/EC and 2004/108/EC

Dimplex, a division of GDC Group Limited, Millbrook House, Grange Drive, Hedge End, Southampton SO30 2DF

Email customer[email protected] Website www.dimplex.co.uk

Customer Help Line 0845 600 5111 Fax 01489 773050

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