
OPERATING INSTRUCTIONS
This storage heater takes in Energy when 
electricity tariffs are low and dissipates it 
when tariffs are normal.
OPERATION
SAFETY INSTRUCTIONS
1. Ventilate rooms well during commissioning.
2. Do not move the heater in any way once installed without 
the services of a competent electrician.
3. Do not cover the heater with clothing etc. at any time or 
position furniture close to or against the heater.
4. Ensure a clearance of at least 150mm between heaters and 
curtains.
5. Should your heater fail to operate either employ the 
services of a competent electrician or Telephone 0845 
600 5111.
 ALSO REFER TO COVER PAGE
COMMISSIONING
Set both the Input Control and the Output Control to 6 and 
leave the heater for 48 hours.
Following the commissioning period adjust the controls as 
stated below.
CONTROL FUNCTIONS
THE INPUT CONTROL
For models XMS712N, 718N, 724N only:
This heater is fitted with a user adjustable automatic input control 
which varies the charge taken in response to weather conditions 
taking into account the amount of energy already stored in the 
heater.
Set at 6 the heater takes maximum charge and at 1 the heater 
takes a minimum charge at any room temperature. The casing of 
the heater, particularly in late evening, may feel cool, this is quite 
normal. The input control may require a few days experimentation 
before your comfort level is established.
Initially set the control to 3, the following evening if the room is too 
warm reduce to 2 or if it is too cool increase to 4. On subsequent 
evenings adjust by half divisions until your comfort level is 
achieved.
Having established the setting the input will automatically vary the 
amount of heat stored to compensate for weather variations.
CLEANING
To maintain the appearance of the heater wipe occasionally with a 
dry cloth when the heater is cool.
Do not use abrasive powders of furniture polish.
AFTER SALES SERVICE
Your product is guaranteed for two years from date of purchase. 
Within this period, we undertake to repair or exchange 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 guide by clicking 
on ‘After Sales’ or ring our help desk on 0845 600 5111 (UK) or 
01842 4833 (ROI). Spare parts are also available on the website 
www.dimplex.co.uk. 
Please do not initially return faulty appliance, or part of an appliance, to us 
as this may result in transit damage and/or a delay in providing service.
Let us know your difficulty quoting the model number and serial 
number (located along the wall bracket). We will then take 
the appropriate action. Please retain your receipt as proof of 
purchase.
SETTING THE CONTROLS
The controls are located under the hinged flap at the top right hand 
corner of the heater.
To adjust the controls on the heater use a coin and engage it in the 
slots provided on the top surface of the knob. There are no user 
adjustable controls on the XMX706N.
For models XMX712N, 718N, 724N only:
Initially set the input to 4. If the heater does not maintain a 
satisfactory room temperature the following day this setting should 
be increased. Conversely if the room temperature is too high this 
setting should be reduced.
The input control should only require seasonal adjustments.
THE OUTPUT CONTROL
For all models except XMX706N
Most of the stored heat is radiated from the casing during the 
discharge period. However, some of the heater is emitted 
through the grille at the top of the heater and this additional heat 
(or boost) is regulated by the Output Control.
With this set to 6 the boost begins in the early afternoon. Turning 
the control towards 1 will progressively delay the commencement 
of the boost. At 3 the boost will start in the evening. Once set, 
the boost will repeat itself automatically day after day.
If no boost is required e.g. when the room will be unoccupied 
for a long period, set the Output Control to 1. With the control 
in this position, the heater will take less energy during the next 
charging up period.
85149 Issue 9 : 06/09
Dimplex UK Limited, 
Millbrook House, 
Grange Drive,
 Hedge End,
 Southampton,
 SO30 2DF.
Discolouration 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.) 
Tel: 0845 600 5111
Fax: 01489 773 050
Web-site www.dimplex.co.uk
Republic of Ireland 01 842 4833
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
© GDC Group Ltd. All rights reserved. 
Material contained in this publication may not 
be reproduced in whole or in part, without prior 
permission in writing. 
A division of the GDC Group Ltd, Millbrook House, 
Grange Drive, Hedge End, Southampton SO30 2DF