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1 Introduction

The SP405  an interleaving 24-hour/week timer with 
an automatic change between summer-/winter time 
according to new european standard (dat 1). A sun or 
a snow crystal is indicated in the display, indicating 
summer or wintertime respectively.  Functioning as 
week-timer the days may freely be programmed in 
blocks, meaning that days with the same connection 
times is programmed in one block and thereby only 
occupying one memory space. (Note:  When using 
Falcon units the DIP-switch on the controller board is set 
according to installation guide.)

When used on the water models S4 W, L4 W and L7 
W the link between the the connection terminals 
28 and 30 on the unit controller board must be 
removed.

Night-level temperature 3°C: Switch 3 is set to ON.  
Fan speed reduced to low: Switch 4 is set to ON.)

The timer is preset by Flexit to the following times:
07:00 - 17:00 day 1 - 5. 

1.1  Connecting the SP405/existing control panel

To connect your existing control panel with the SP405, 
follow the description below: 

1.  SP405 is mounted close to the control panel (check that 

the cable goes all the way).

2.  The cable with the telephone connection (4-poled) in 

both ends is connected between the timer and the exis-
ting control panel. The SP405 has two equal  terminals 
which both may be used for this purpose. 

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