Dimplex 403BTB Installation And Operating Instructions Download Page 3

Initial Operation

When the heater is initially connected to the mains the heater will power 

up in 

MANUAL

  mode  with  a  set  temperature  of  30˚C. The 

Mains

 and 

Heat 

indication neon will be lit and the LCD display will be as per 

Fig.8

For subsequent operations the unit will power up in its previous state, i.e. 

if it was in the boost mode when the unit was plugged out when power is 

reinstated it will resume in boost mode.

Setting the Time

To set the time press and hold ‘ ’ for two seconds, the time digits will begin 

flashing (

Fig. 9

). Press the ‘ ’ or ‘ ’ buttons to set the time and press 

ENTER

 to confirm. The heater will revert to the previous operational mode

.

Flashing

Standby Mode

With the heater 

ON,

 if the   button is pressed, the heater will go into standby 

mode; the heater switches off, the LCD will display the current set time, only 

the mains neon remains illuminated. On pressing the   button again the 

heater will come on in Manual mode and with a set point setting of 25 ˚C. 

Manual Operation

Repeatedly press the ‘ ’ button until the manual mode is visible on the 

LCD and confirm the mode selection by pressing 

ENTER

. Use the arrow 

keys to select the desired heat setting (see 

Operational modes 

for heat 

setting details) and confirm the selection by pressing the 

ENTER

 key. The 

desired temperature can be adjusted at any point during the Manual mode 

operation, see

 Setting the Desired temperature. 

Auto mode Operation

Repeatedly press the ‘ ’ button until the Auto mode is visible on the LCD 

(see

 Fig.10

) and confirm the mode selection by pressing 

ENTER

. The 

heater will operate as per the pre-programmed time and temperature profile 

(see - Setting the Timer Profile). Note: if no timer profile has been set it 

will not be possible to select ‘Auto’ mode, it is necessary to set up a time 

program before Auto mode can be selected.
During Auto mode operation the LCD display will show the current heat 

status, the active programme segment, the time for the next status change, 

the heat setting and the set temperature, see 

Fig.11 

for details. 

Time for next status

change (ON at 15:20)

Heat seng

Set temperature

Heat status

Acve segment

Fig.  8

Fig.  9

Fig.  11

Fig.  10

Boost mode Operation

Repeatedly press the ‘ ’ button until the Boost mode is visible on the LCD 

(see 

Fig.12

) and confirm the mode selection by pressing 

ENTER

. Once 

the boost mode is activated it will be necessary select the boost period, 

there are three periods available to choose from, 30 minutes, 1 hour and 

2 hours. Use the arrow keys to select the desired boost period and confirm 

the selection using the 

ENTER

 key. The default heat setting is ECO mode 

and the set temperature is 25˚C. The set temperature can be adjusted if 

desired, see 

Setting the Desired temperature

. When the boost mode is 

active the LCD display will show the boost mode, timer period selected 

and the desired set temperature. The time display will toggle between the 
current time and time remaining for the selected boost period. 

Frost protection mode

The appliance has a frost protection mode. This setting is useful in areas 

such as garages to assist in the prevention of frost damage. In Manual 

mode, if the thermostat is set to its minimum setting ‘5°C’, the heater will 

cycle ON and OFF to maintain a temperature of approximately 5°C and 

help protect against frosty conditions. The frost protection symbol   will 

be displayed on the LCD display when frost protection mode is activated.

Indicator Neons

Mains On Neon: 

The mains neon, (see 

Fig. 5

), remains illuminated when 

the power is supplied to the product. Note: This does not indicate whether 

the heating elements are on.

Heat Neon:

 Heat neon remains on when the heating element is active. 

Once the desired temperature is reached and the element turns off, the 

heat neon will indicate this by remaining off.

Bluetooth Neon: 

The Bluetooth neon will remain illuminated while 

successfully paired to another device.

Setting the Desired Temperature

The desired temperature can be set using the ‘ ’ or ‘ ’ keys. The 

temperature can be set from 5˚C to 30˚C and this will be shown on the 

display. When the temperature is reached the heater will automatically 

switch OFF. If the ambient temperature drops the heater will come on 

again automatically. 

Setting the Timer Programmes

There are four program segments available, 

P1

P2

P3 

and 

P4

. For each 

segment it is possible to set a desired ‘On’ time, ‘Off’ time, Heat mode 

and set temperature. It is not necessary to set all four segments if not 

required. The default setting is for all segments to be Off. To turn off a pre-

programmed segment it is necessary to set both the ‘On’ time and the ‘Off’ 

time to 00:00. In order to set up a time/temperature profile the following 

steps must be completed: 
1. To activate the programming screen press the ‘ ’ key. The program 

settings screen for 

P1

 will be displayed and the time will be flashing. This 

flashing time is the ‘On’ time for 

P1

 and can be adjusted using arrow keys. 

Once the desired ‘On’ time has been set press the 

ENTER

 key to confirm 

the time.

2. Select a heat setting using the arrow keys and confirm the selection 

using the 

ENTER

 key.

3. Set the desired temperature using the arrow keys and confirm the setting 

using the 

ENTER

 key.

4. The ‘Off’ time must then be set by using the arrow keys, it is necessary 

to then press the 

ENTER

 key to confirm the ‘Off’ time setting.

5. The setup screen will then revert to the 

P1

 ‘On’ time set up screen, at 

this point it is possible move to the 

P2

 segment by pressing the ‘ ’ key.

6. If required 

P2

P3 

and 

P4

 segment can be set up using steps 1-4 above.

7. If it is not required to set up 

P2

P3

 and 

P4

 segment at this stage, continue 

to press the ‘ ’ key until the heater reverts to the previous operational mode. 

Alternatively if no keys are pressed the programming mode will time out 

and revert to the previous operational mode.

Fig.  12

Summary of Contents for 403BTB

Page 1: ...ays 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 Important Safety Advice Important Safety Advice ...

Page 2: ... NOTE When using the appliance or setting appliance controls always ensure that the heater is stood on a firm level base Do not tilt the appliance at any time Operational modes The electronic control has four control modes AUTO MANUAL BOOST and STANDBY mode Auto Mode Standby Mode Boost Mode Manual Mode In both MANUAL and AUTO mode there are three heat settings options Intelligent Eco Mode This is ...

Page 3: ...d selected and the desired set temperature The time display will toggle between the current time and time remaining for the selected boost period Frost protection mode The appliance has a frost protection mode This setting is useful in areas such as garages to assist in the prevention of frost damage In Manual mode if the thermostat is set to its minimum setting 5 C the heater will cycle ON and OF...

Page 4: ...erned about this we recommend that you contact the carpet manufacturer for guidance Alternatively either stand the heater on a suitable base to shield the carpet or wall mount it call our Helpline for further advice You may notice some parts of the element appearing to be hotter from time to time because of the variable airflow through the heater This does not cause a safety hazard The heat outlet...

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