Honeywell SDC User Manual

SDC / DHC 

Operation 

EN2H-0220GE51 R0308 

25 

At outside temperatures below the frost-protection limit (see 
4.2.3 "System Parameters" menu, pg. 51) the

 

heating circuits are 

controlled as follows: 

•  Without wall devices: Based on a lowered room temperature 

specification of 3 °C. 

•  With wall devices: Based on the room frost-protection limit of 

the respective heating circuit of 10 °C (see "Direct Heating 
Circuit" or "Mixed Heating Circuit 1", "Mixed heating circuit 2" 
menu, parameter 08 = room frost-protection limit). 

 

An active holiday program can be cancelled in case of early 
return.  

► Press 

 button. 

► Turn input button 

î

 and switch to automatic mode. 

The active holiday program has been cancelled. 

 

Current date 

 

Current date... (current date + 250 days) 

 

An active holiday program appears in the basic display with 
information on the return date. 

 

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