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Grässlin

 (UK) Ltd

 

 

Digital timeswitch module: 

 

EM/1 DIGI 20 (with relay)

 

 
Seven – day & 24 hour digital timeswitch module 
Twenty programme spaces.  Volt-free N/O contact, rated 
10 Amperes resistive @ 250v 

 

 

When first connected to power supply, the display will show all day numbers flashing, the time at 
00:00, timed      function, and OFF output. 
 

Setting the time 

 

Press 

and hold

 the clock symbol button, now press the day, hours and minutes buttons to vary 

any of these settings.  Once current time input is completed, release the clock symbol button.

 

 

Setting programmed switching operations 

 
Press the Prog. button.  Enter the switching instruction ON      or OFF       with the   

 button; 

then the day or days for the switching instruction to occur; then the time of the switching instruction 
with the h & m buttons.  Each press of the Prog. button saves the last (completed) entry, and steps 
through to the next programme space.  

If you want to change any of the settings

, you can do so 

while the setting is showing in the display.  Press the day, hours or minutes buttons to alter the 
timing as you require.  Once you have completed your changes, press the Prog. key to confirm and 
step to the next programme space in the memory.  Press the clock symbol 

 button to revert 

to timed display. 
 

Manual switch 

 

After you have set the current time and any programme instructions you require, you should press 
this button once to switch ON, if you require the output to be ON now.  The timeswitch will follow 
the programme settings in the memory from now on. 

 

At any time, you can use the manual switch to change the output to ON or OFF.  The display 
symbols are: 
 

Timed 

OFF 

  Manual 

OFF 

   Fixed 

ON 

 

 

Timed 

ON 

  Manual 

ON 

   Fixed 

OFF

 

 
The Manual ON and OFF selections are self-resetting.  I.E. this manually chosen output will revert 
to the timed setting with the next timed instruction.  Fixed ON and Fixed OFF outputs will remain in 
that condition until you next use the manual switch   

 to change back to Timed or Manual 

control.      

 

 

Summer / Winter change 

 

The change of the clocks from GMT to BST and back can be effected by pressing the recessed  

±

 1h button.  Press this button with a biro or a pencil. 

 

Reset 

 

The timeswitch can be reset (all information deleted), by pressing the Reset button with (e.g.) a 
biro or a pencil. 
 

Grässlin

 (UK) Ltd, Tower House Vale Rise Tonbridge Kent TN9 1TB Tel. 01732 359888 Fax. 01732 354445 

 

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