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IMPORTANT : THESE INSTRUCTIONS SHOULD BE READ CAREFULLY AND RETAINED FOR FUTURE REFERENCE
AC Air Curtains
Models : AC3N, AC45N, AC6N & AC3RN
© Dimplex UK Limited
All rights reserved. Material contained in this publication may not be reproduced in whole or in part, without prior permission in writing of Dimplex. A division of GDC Group Ltd.
Tel. 0845 600 5111
Fax. 01489 773050
Wesite www.dimplex.co.uk
Republic of Ireland Tel. 01 8424833
Dimplex
Millbrook House
Grange Drive
Hedge End
Southampton
Hampshire SO30 2DF
IMPORTANT SAFETY ADVICE
DO NOT COVER OR OBSTRUCT the air inlet or outlet grille.
ENSURE THE APPLIANCE IS EARTHED.
Do not use this heater in areas where excessive dust exists.
This heater must not be located immediately above or below a fi xed socket outlet or
connection box.
Always disconnect supply before working on the product.
This product should be mounted safely to solid wall or ceiling surfaces only.
Ensure the supply cables are of adequate current carrying capacity and are protected
by a suitable fuse.
If the appliance is mounted in a toilet or washroom, the appliance should be mounted
such that no part of it can be touched by a person using a fi xed bath or shower.
If the appliance is mounted in a toilet or washroom an isolating switch must be provided
outside the washroom adjacent to the entrance door.
Warning : In order to avoid a hazard due to inadvertent resetting of the thermal cut-out,
this appliance MUST NOT be supplied through an external switching device, such as a
timer, or connected to a circuit that is regularly switched on and off by the utility.
Electrical
The installation of this appliance should be carried out by a competent electrician and be in accor-
dance with the current IEE wiring regulations.
Fixing Positions
This appliance may be either wall-mounted or fi xed to a ceiling - see Fig. 2 for various fi xing
positions and ‘Installation’ see section below, for details on fi xing. Heaters may be mounted end
to end for wide doorways.
Installation
Using the wall mounting bracket as a guide (see ‘a’ in Fig. 3) mark off the hole positions on the wall
or ceiling (see ‘B’ in Fig. 1). A minimum height of 1.8metres is required from fl oor to bracket. Fix the
bracket in position by following steps as described under the heading ‘Wall or Ceiling Mounting’.
Wall or Ceiling Mounting
Solid brick or concrete block walls must be drilled and plugged (using a spirit level as a guide
ensure bracket is level) and plugged with rawlplugs supplied. The plug must be located in the
solid part of the wall, not just in the plaster layer.
For panelled internal walls or ceilings, it is best to locate the studding, position the heater fi xing
bracket accordingly and use screws supplied. If it is not possible to locate the studding, use type
M5 Rawlplug inserts, making the 10mm holes with a drill rather than a bradawl or a screwdriver.
Locate the heater on the mounting bracket ensuring that the pozi-head screws are fully engaged
in the slots of the bracket.
It is important that the serrated metal washer (a) is located between the heater holding bracket (b)
and the wall mounting bracket (c). Adjust heater to the required angle then fi rmly tighten the fi xing
screw (d) inside the endcap (e) using a cross-head screwdriver (f) as shown in Fig. 4.
Electrical connection
Release the screws at either end of the air-outlet grille (see Fig. 5) to gain access to the terminals
for connection of the supply cable - see Fig. 6.
Insert the mains cable down the outside of the back panel (not on inside) and through the rear
entry cable clamp and make connection as shown in Fig. 6 (see also Fig. 7 for detailed views
of cable clamp).
Fig. 7a shows the cable clamp detail for AC3N & AC3RN models.
Fig. 7b shows cable clamp detail for AC45N & AC6N models. Note : Part ‘A’ of cable clamp is
fl ipped over to receive the larger cable.
Connection to fi xed wiring should be made through an adjacent minimum 20 amp double-pole
switch for AC3N, AC3RN & AC45N models.
Connection to fi xed wiring should be made through an adjacent minimum 30 amp double-pole
switch for AC6N model with a minimum separation of 3mm in each pole.
Re-secure the outlet grille.
Ensure that the air-curtain is securely fastened and that the supply cable is fi rmly clamped before
operating the appliance.
Operation (AC3N, AC45N & AC6N models)
Switch on electricity supply to the heater.
Switching the switch marked ‘I’ energises the blower.
Select ‘l’ and the smaller switches marked ‘z’ as required (see Fig. 9)
Settings - I : Fan ‘On’
I + z : Half heat
I + z + z : Full heat
Operation (AC3RN model)
Switch on electricity supply to the heater.
Select the switch position ‘ MAN ’ for Manual Operation.
Select the switch position ‘ AUTO ’ for Operation via the remote control.
Select the desired heat output using the smaller switches marked ‘z’ (see Fig. 10).
To operate the remote control you must fi rst select ‘AUTO’ . The heater may now be turned On
or Off using the Remote Control (see Fig. 8).
Settings - MAN : Fan On
AUTO : Fan On or Off (using remote I / O)
MAN / AUTO + z : Half heat
MAN / AUTO + z + z : Full heat
‘
AUTO
’ will default to ‘OFF’ if the remote control is not being used.
NOTE. Infra red technology is used for the remote control link, the range is 8 meters in line of
sight.
If the remote control becomes lost, switch off at the mains supply for at least 30 seconds and
select ‘MAN’ for Manual Operation.
Remote Control (AC3RN model only)
Insert 2 off 1.5 volt AAA batteries into the remote control handset.
Switch the heater to ‘ AUTO ’ for automatic operation.
Press the
I button to activate the heater, and O to turn off.
If the remote control does not operate the heater, fi rst check batteries, then point remote directly
at the heater before operating.
The remote control may be placed, when not in use, in the provided wall-mounted holster (see
Fig. 8). Screws and rawlplugs for wall fi xing the holster are provided.
Important Battery Information
Discard leaking batteries.
Dispose of batteries in the proper manner according to Provincial and local regulations. Any battery
may leak electrolyte if mixed with a different battery type, if inserted incorrectly, if all the batteries
are not replaced at the same time, if disposed of in a fi re or if an attempt is made to charge a
battery not intended to be recharged.
Thermal Safety Cut-outs
The power supply to the heating elements will be interrupted if one or a combination of the following
abnormal events occurs.
1. Air inlet or outlet grilles are obstructed.
2. Internal ventilation is impaired due to build up of dust and fl uff.
3. Blower unit stalls.
Note : If the cut-out operates, the fan may continue to run impairing the performance of the heater.
If this occurs, turn off unit immediately and follow the reset procedure below.
Procedure for resetting cut-out
1. Disconnect power supply.
2. Determine what has caused the cut-out to operate and rectify.
( Note : This should only be undertaken by competent persons with experience of repairing
electrical appliances and in full knowledge of the possible hazards involved ).
3. After a short period of time (allowing the heater to cool down) the cut-out will reactivate
allowing electrical supply to be returned to the heater thus permitting normal operation.
Maintenance
WARNING : Disconnect the heater from the mains supply before carrying out maintenance.
This product is designed to require no maintenance. If operated in an extremely dusty environment
it may however be necessary to carefully brush clean the air-inlet grille from time to time.
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.
Cleaning
WARNING: ALWAYS DISCONNECT POWER SUPPLY before cleaning the heater.
Do not use detergents, abrasive cleaning powders or polish of any kind on the heater.
External appearance can be maintained by wiping occasionally with a damp cloth ; for stain removal,
a weak soap solution can be applied with a cloth and the surface wiped dry. Care must be taken
to avoid any moisture ingress into the product.
Ensure that dust or fl uff does not accumulate inside the heater as this could lead to overheating of
the element. Use a vacuum cleaner to remove any fl uff which does accumulate.
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 (subject to avai-
lability) 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 service information or assistance with this product please go to
www.dimplex.co.uk where you will fi nd our self help guide by clicking on “After Sales“ or ring our
Helpdesk on 0845 600 5111 (UK) or 8424833 (R.O.I.).
Spare parts are also available on the website www.dimplex.co.uk
Please retain your receipt as proof of purchase.