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Danfoss Ltd

Ampthill Road
Bedford, MK42 9ER
Tel: 01234 364621
Fax: 01234 219705
Email: [email protected]
Website: www.heating.danfoss.co.uk

+1HR override

MAN override

F.  Running your Programme

To run the system:

 press the 

SELECT

 button 

(Fig. 10)

With each press of the 

SELECT

 button the display will change between 

ON, OFF, 

ALLDAY 

and 

AUTO. 

Select the option you require depending on your circumstances, 

time of the year etc 

(Fig. 11)

.

 

• 

AUTO

 = the system will come on and go off at the programmed times

• 

ON

 = the system will remain on constantly

• 

OFF

 = the system will not come on

• 

ALLDAY

 = the clock will turn the system on at the first programmed ON and will 

leave it on until your last programmed OFF

G.  Temporary Override Buttons

The 

grey buttons

 

next to the display

 are the override buttons 

(Fig. 12). 

+1HR

 = the system will remain on for an extra hour. If it is pressed whilst the programme 

is off, the system will come on immediately for 1 hour then go off. 

MAN

 = if this button is pressed when the system is on, then the system will go OFF 

until the next programmed ON. If this button is pressed when the system is OFF, then 
the system will come ON until the next programmed OFF. 

NB. These over-rides are only temporary and do not affect the preset programmes. 
 
 

H.  Winter Time / Summer Time Clock

The change between winter and summer time is handled automatically and will occur 
on the correct date in Spring and Autumn.

I.  Service Interval Timer

If the property is owned by a landlord he may, for gas safety reasons, have instructed 
the installer to set the service interval timer.
If set a visual and audible warning will alert you that the boiler will need servicing within 
the next 28 days. This warning is repeated each day at noon. 

(Fig. 13)

If the boiler is not serviced within 28 days the daily audible warning will sound 
continuously and can only be cancelled each day by pressing any button on the unit.
In addition, all overrides and programming buttons will be disabled and the heating 
and hot water will only operate for 15 minutes in each programmed hour.
As this is a gas safety feature only an installer can reset the service interval timer. This 
will be done as part of the boiler service.

+1HR

MAN

Fig. 10

Fig. 11

Fig. 12

Fig. 13

Part No. 386  04/06

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