Dimplex DXC20 Installation And Operating Instructions Download Page 2

(b)

(a)

foot fixing
screw

wall mounting brackets

Positioning the heater

Always ensure that the heater is stood on a firm, level base near to, but
not directly beneath, a suitable mains supply socket.
Ensure that curtains and furniture are not positioned close to the chosen
position, as this would create a potential fire hazard.
We recommend that the heater should be wall-mounted in rooms where
children may be left unattended.
See also ‘Important Safety Advice’.

Free standing use

NEVER USE THE HEATER FREE STANDING WITHOUT THE FEET FITTED.

Lay the heater on its back, and locate the foot fixing screw (see ‘a’ in 

Fig.

3

). Remove the screw using  an X–head screwdriver, then align foot over

slots and holes in base (see ‘b’ in 

Fig. 3

) and push into the slots. Finally

take the foot fixing screw, insert and tighten using a screwdriver to
secure the foot.

NOTE – The wall mounting brackets indicated in 

Fig. 3

 can be left secured

to the base if they are not required.

Using the heater

Plug in and switch on at the wall socket. The mains neon indicator will
glow showing that power is available.
On models with a timer clock, the clock will operate all the time that the
heater is connected to the mains supply, regardless of the setting of the
heat selector switch. Set the timer control switch as required for OFF,
Manual or Automatic operation – see 

‘Timer Operations’

.

The heat output is controlled by the
thermostat - see 

‘Thermostat’

.

Please note – the element has been
coated with a protective film which will
burn off during the first few minutes
of use and may cause a small amount
of fuming. This is quite normal – the
fumes are non-toxic and will quickly
disappear.
We recommend that you open a
window to ventilate the room when
using the heater for the first time.

Controls

Thermostat

The thermostat controls the heat output
according to the room temperature.
This ensures that the heater will not
produce heat unnecessarily when the
room is warm.
To set the temperature you require, turn
the thermostat knob clockwise until the
desired temperature is reached.
Alternatively to heat a cold room
quickly, turn the thermostat knob up
fully.
When the room has reached the
desired temperature, turn the
thermostat knob anti-clockwise until the
thermostat just clicks off.
The heater will now automatically
operate at this temperature.
The thermostat also has a frost
protection setting marked ‘

’. This

setting is useful in areas such as
garages to prevent frost damage. If
the thermostat is set to its minimum
setting ‘

’, the heater will cycle ON

and OFF to maintain a temperature of
approximately 5°C to help protect
against frosty conditions.

On/Off Switch 

- see 

Fig. 4a

On the non-timer models the switch operates as follows:

O

-

The heater is Off

I

-

The heater operates with heat output as per the heat
selection switch.

Note : The above description of the On/Off switch operation is with the
turbo neon switch in the off position – see also the ‘Turbo Fan model...’
section.

Heat Selector Switch 

- see 

Fig. 4a 

and 

Fig. 4b

Heat selection is available on all models as an economy feature.
On all models  the switch operates as follows:

I

- The heater operates with low heat output

II

- The heater operates with max. heat output

Mechanical Timer Operation 

- see 

Fig. 5

Set the 

I

 - 

 - 

 slide switch on the timer (

Fig. 6

) to :

Position   - Heating Off

Position I - Manual operation

This setting allows power to the heater
uninterrupted by the timer settings. The
heat selector switch and thermostat will
control the output (see ‘Controls’).

Position   - ‘Auto’ operation

DO NOT disconnect this heater from the
mains supply unless it is being taken out of
use (e.g. in summer or for storage),
otherwise the timer clock will stop.

Setting the time of day

To set the time of day, rotate the timer dial clockwise (indicated by the
arrow) until the correct time of day is opposite the reference mark 

 (see

Fig. 6

). The 24-hour clock is used ; e.g. time shown for 4 pm is ‘16’

(16:00hrs).

Setting the ‘Auto’ ON and OFF times

To set the timer :

1.

   Using your finger tip or the tip of a

pencil, push in as many segments as
necessary around the dial, according to
the times you don’t require heat – see 

Fig.

7

. Each segment pushed in switches the

heater OFF for that part of the hour. All
other segments will be ON. For example,

Fig. 8

 shows the timer set to switch the

heater ON between 9.00am and  4.00pm
and between 9.30pm and 7.00am.

2.  

You can select as many ON periods

 

as you like, within the 24-hour day.

The settings will repeat every day until changed.

3.

   To change ON and OFF times, simply push in any ‘ON’ segments you

wish to cancel and pull out new ‘ON’ segments as required.

9

8

6

5

7

15

2

21

22

20

19

18

16

17

3

4

24

23

1

11

12

10

13

14

O

I

9

8

I

10

O

Fig. 6

11

13

12

14

I

O

Fig. 7

22

4

3

2

1

23

24

7

5

6

8

9

10

12

13

O

11

16

14

I

15

18

19

20

21

17

9.00 am - 
4.00 pm

9.30 pm - 
7.00 am

Fig. 5

Fig. 3

Thermostat

Knob

Heat Selector

Switch

Timer

9

8

6

5

7

15

2

21

22

20

19

18

16

17

3

4

24

23

1

11

12

10

13

14

O

I

I

II

Fig. 4b

Timer Models

I I

II II

Fig. 4a

Non- Timer Models

Thermostat

Knob

Neon

On/Off Switch

Fig. 8

Heat Selector

Switch

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