Dimplex WFE 3TNB Installation And Operating Instrictions

Installation and Operating Instructions

Dim all-mounted Fan Convector 08/18748/1 Issue 1

plex W

odel : W

350mm

350mm min.

120mm

571mm

150mm min.

shelf

ack

lver

Fi

M FE 3TNB and WFE 3TNS

Dimensions

Model(s) Specification

WFE 3T NB 3Kw Thermostat, Switch, 24Hr Timer - Bl

WFE 3TNS 3Kw Thermostat, Switch, 24Hr Timer - Si

g. 1

Installation

Before un dertaking installation wor k, ensure the electricity
supply is disconnected from any relevant fixed wiring.

Supply cable is not provided with this appliance, and a competent
electrician should therefor e install it.
The appliance must be fitted horizontally with the cable or conduit
entry at bottom right. It should be mounted such that the underside
is at least 350mm above the floor and the top of the heater is
150mm below any over hanging shelf or obstruction.

This heater must be used on an A.C. ~ supply only and the
voltage marked on the heater must correspond to the supply
voltage.

To comply with the I.E.E. Wiring Regulations, the appliance must
be earthed; the supply circuit must be adequate for the input of the
appliance, and the circuit protected by a suitable 13A fuse. A
suitable termination to the fixed wiring of the premises must be
provided adjacent to the final position of the appliance. In this
instance, such termination can be a double-pole switch with a
contact separation of at least 3mm in all poles.

The heat er must not b e located immediately below a socket­outlet.

Electrical

WARNING : T HIS APPLIANCE MUST B E EART HED.

After ens uring the electricity supply is not live, electrical
connections can be made, either to an adjacent double-pole switch
having a contact separation of at least 3mm in all poles or to a
plug-top for use in a standar d 13A s ocket.
If the latter: Connect Green and Yellow wire to plug terminal
marked ‘E’ or Green or Green and Yellow. Connect Blu e
wire to plug terminal marked ‘N’ or Black. C onnect Brown wir e to
plug terminal marked ‘L’ or Red.
Refit cover, first hooking top over the unit and then securing
bottom by refitting the two screws under the bottom edge. The
appliance is now ready for use and the electricity supply can be
reinstated.

THESE INSTRUCTIONS SHOULD BE READ CAREFULLY AND RETAINED FOR FUTURE REFERENCE.

IMPORTANT SAFETY ADVICE

• WARNING – THIS APPLIANCE MUST NOT BE USED IN

A BATHROOM.

• WARNING – DO NOT USE THIS HEATER IN THE

IMMEDIATE SURROUNDINGS OF A BATH, A SHOWER
OR A SWIMMING POOL.

• WARNING – THIS HEATER MUST NOT BE LOCATED

IMM EDIAT ELY ABOVE OR BEL OW A FIXE D SOCK ET
OUTLET.

• DO NOT USE THE HEATER UNTIL IT IS WALL

MOUNTED CORRECTLY.

• The heater carries a warning 'Do Not Cover' to alert

the user to the risk of overheating that exists if the
heater is accidentally cover ed.

• Keep com bustible materials such as drapes and other

furnishings clear from the front of the heater. Do not
use heater to dry your laundry.

• NEVER cover or obstru ct in any way the air inlet slots

at the front of the heater or the heat outlet sl ots in the
base of the heater.

• If young childr en, the aged, or infirm are likely to be

left in the vicinity of th e heater, we advise that
adequate precautions should be taken. We
recommend that a guard be fitted to ensure contact
with the heater is avoided and objects cannot be
inserted into the product.

• If you use thi s heater i n conjunction with a thermal

control, a programme controller, a timer or any other
device ch switches on the heater automatically,
remem o observe all safety warnings at all times.

• Do not use where excessive dust or moistur e is

present.

For further information, please contact our guard supplier
direct on Tel. No. 01603 667957, or in the case of difficulty
or for further advice contact our Customer Helpline.

whi

ber t

cable or
conduit entry

350mm min.

35mm

510mm

571mm

shelf

n

8mm

350mm

280mm

Ø10mm

6mm

150mm mi

Fixing dimensions

Wiring Diagram

Component

Wires

A. Cross Flow Fan 1,2 Grey 0.75mm² PVC.

B. Heat Element 3 White 1.5mm² SRIW

C. Cut-Out 4,8,10 Blue 1.5mm² SRIW

Fig. 2
Procedure

D. Electronic Stat 6,9,11 Red 1.5mm² SRIW
E. Temperature Selector 5,12 Pink 1.0mm² SRIW
F. Digital Timer

Release the front cover from the unit by undoing the two screws
under the bottom edge.

G. Double Pole Switch
H. Tri-Clamp T/Block

J. Cable Clamp

Carefully remove cover by pulling bottom-front forward, and then lift
to releas e top from retaining slots.

Mark screw fixing positions on wall in accordance with the
dimensions shown on the diagram in Fig. 2. The unit must be
secured to the wall with four screws through the holes provided.
The two u pper holes are keyhole shaped to enable the two upper
screws to be positioned first. The unit c an then be hung on these
screws while the two lower screws are positioned. Before finally
tightening all four screws, ens ure the unit is truly horizont al.

K. Thermist or

Fit a 3 core 1.5 square millimetre flexible cord through the cable
entry bush, connect wires to the appropr iate terminals and tight en
cable cl amp. Alternatively the heater may be connected with
conduit through the base aft er removing t he knockout c ontaining
the cable entry bush (see Fig. 3 W iring Diagram).

Fig. 3

Operation

Neon

The WFE3TN has a total
loading of 3KW . It
inc or porates a s ensiti ve
electronic thermostat, and
a programmable 24 hour
timer. To switch the
appliance ON, it should be
connected to the electricity
supply and switched on at
the ON/OFF double pole
switch – see Fig. 4.

Fig. 4 - Controls &

Control Panel Layout

Fig. 6

Thermostat

Setting Current Time

1. Press the S (Set) button and keep press ed while pressing the
D (Day) button until the actual day is displayed. Continue by

pressing H (Hour) or M (Minute) button until the current hour
or minute is displayed. When resetting, the buttons D, H or M
can be held down for r apid f orward c ounting.

The thermostat scale is
calibrated in 1°C divisions
with a t em per ature rang e
from 5°C to 30°C.

2. Release both buttons. The week and time will be set.

3. To reset incorr ect time, repeat previous steps.

Fig. 5 Thermostat Knob

Setting Programs

1. Press the PROG (Pr ogram) button and release. The first ON
setting can be made now.

2. Press the D (Day) button t o set the day or blocks of days. Set
the time by pressing the H (Hour) button and then M (Minute)
button.

To control the room temperature, set the mark on the thermost at
knob to the required temperature on the scale. The electronic
sensor will monitor continuously the temperature of the air returning
to the inlet gri lle, and the appropriate heater element(s) will be
selected automatically to achieve or maintain the chosen level. Two
pilot lights indicate when one or both heating elements are in
operation. An additional pilot light on the digital timer will illuminate
when the timer is in ‘Manual On’ mode or in ‘Auto’ mode with a
program running. The extr a sensitivity of the electronic thermostat
ensures that the room t emper ature is maintained within close
toleranc es efficiently and economically.

3. Press the PROG (Program) button again to finish the first ON
setting and enter into the first OFF setting. By repeating ‘2’
this will make the first OFF setting.

4. Press the PR OG (Progr am) button again to finish t he first
OFF setting and enter int o the 2

nd

ON setting . Repeat ‘2’ and

‘3’ to program r emaini ng settings.

Digital Timer Operation

IMPORTANT

5. After completing settings, press the S (Set) button and the
Timer is ready to operate.

EXAMPLE : To set Timer ON at 6:15PM (18:15) and Timer

OFF at 10:15PM (22:15) everyday

DO NOT plug in the appliance where the load exceeds 16 Amp.

The timer has a total of 8 ON/OFF programs.

a) Press PROG and LCD displays ‘1_ON’

b) Press D until LCD displays ‘MO, TU, WE, TH, FR,

SA, SU’

c) Press H until LCD displays ‘6:00PM’ or ’18:00’

MANUAL ON/AUTO/MANUAL OFF can make settings as required
very easily.
Either 12 or 24 hour modes can be used.
Summertime function is very useful for areas with summertime
system.

d) Press M until LCD displays ‘6:15PM’ or ’18:15’
e) Press PROG and LCD displays ‘1_OFF’
f) Repeat c) and d) until LCD displays ‘10:15PM or 22:15’

16 combinations of days or blocks of days are avail able for this
Timer.
For details on different combinations see below :

TIP : When verifying your programs ensure that the settings do not
overlap, especially when using the block opti on.

1) Mo

2) Tu

3) We

TIP : To clear a section in a Program, press the C (Clear) button.
To reactivate t his section press the C button again.

Manual ON/Auto/M anual OFF Setting

4) Th

5) Fr

6) Sa

2. In Manual ON or Manual OFF mode, the Timer doesn’t
operate as the settings are in the Auto mode.

7) Su

8) Mo, Tu, We, Th, Fr, Sa, Su

9) Mo, Tu, We, Th, Fr

10) Sa, Su

3. To return from Manual ON to Auto, press MODE three times
(i.e. - Auto/Manual Off/Auto) .

Note: If MODE is pressed onc e from Manual On to Auto the timer
will keep the s etting of Manual until the next timer setting.

12/24 Hour Mode

11) Mo, Tu, We, Th, Fr, Sa

12) Mo, We Fri

13) Tu, Th, Sa

14) Mo, Tu, We

Press the S (Set) and PROG (Program) buttons simultaneously to
switch between 12 and 24 Hour mode.

Summertime Function

15) Th, Fri, Sa

16) Mo, We Fr, Su

1. Press the S (Set) and MODE (Input/Output) buttons
simultaneously. The LCD will show SUMMER. The clock will
keep ahead one hour.

Press them again and it will revert.

Initial Operation

1. On initial op eration the timer display may appear faint or

blank- this is not a f ault. The timer’s back up battery has
discharged. Leave the appliance powered on for 15
minutes to initially charge the battery.

2. Press the R button with a sharp object such as a pencil

(pressing the R will als o clear all current inf ormation).
The timer is now ready to be set up for use.

1. Press MODE (Input/Output) button to change between
Manual ON / Auto / Manual OFF.

The product c omplies with the Eur opean Safety Standards EN60335-2-30 and the European Standard Electromagnetic Compatibility
(EMC) EN55014, EN60555-2 and EN60555- 3 which cover the essential requirements of EEC Directives 73/23 and 89/336

Glen Dimplex U K Limited UK cust omer help line (8.00AM – 6.00PM Mon-Fri; 8.30AM-1.00PM Sat)
Millbrook Hous e
Grange Drive Customer Services: Tel. [phone]
Hedge End Fax. [phone]
Southampton e-mail [e-mail]
Hampshire. SO30 2DF Republic of Ireland Tel. [phone]

General Cleaning

WARNING :

BEFORE UNDERTAKING ANY MAINTENANCE OR CLEANING
WORK ON THE APPLI ANCE, IMM EDIATELY DISCONNECT T HE
ELECTRICITY SUPPLY EIT HER BY SWITCHING OFF AT THE
ADJACENT DOUBLE POLE SWITCH OR BY REMOVING THE
PLUG FROM THE SOCKET.

The outside of the applianc e should be wiped over with a soft damp
cloth and then dried. D o not use detergents or abrasives.
The filter should be cleaned by gently passing the soft brush
attachment of a vacuum cleaner over the front grille.

Service and Repair

THE INTERNAL CLEANING AND MAINTENANCE WORK

Mesh

Filter

Filter
Retaining
Wires

Air Inlet

Grille

SHOULD ONLY BE UNDERTAKEN BY COMPETENT PERSONS
WITH EXPERIENCE OF REPAIRING DOMESTIC ELECTRICAL
APPLIANCES AND IN FULL KNOWLEDGE OF THE POSSIBLE
HAZARDS INVOLVED.

To ensure the appliance operates efficiently, the following
maintenance should be undertaken periodic ally. The cover should
be removed and refitted as detailed under ‘Procedure’.

• Fan Blades : These should be cleaned by using the soft brush
attachment of a vacuum cleaner. Care should be taken not to
damage the blades.

• Filter : The filter can be removed completely for cleaning, but
generally, provided this is cleaned frequently as detailed
above, this sh ould not be necessary. W here removal of filter is
required f or cleaning, the filter retaining wires can be removed,
allowing the mesh and the filter to be taken out (see Fi g. 7).

• General : With the cover removed, opportunity should be
taken to remove any accumulati ons of dust from within the
unit.

• Bearings : Fan and motor bearings should be given one or
two (not more) drops of low viscosity oil (e.g. sewing machine
oil) approximately every 12 months.

Fig. 7

After Sales Service

Your Dimplex W all-mounted Fan C onvect or is guaranteed for one
year from date of purchase. We undertake to repair or exchange
free of charge within this period, any part found to be defective due
to a manufacturing fault.

Your rights under this guarant ee are additional to your statutory
rights, which in turn are not affected by this guarantee.

Should you require after sales service, pleas e get in touch with the
retailer through whom you purchased the appliance, or contact our
Customer Helpline.

Please do not initially return a faulty applianc e or part of an
appliance to us as this may result in transit damage and/or delay in
providing servic e. Let us know your difficulty quoting the model
number and series of the appliance. We will then take the
appropriate acti on.

Guarantee only valid in the UK or R epublic of Ireland where
purchas ed.

Please retain receipt as proof of purchase.