Honeywell SDC Benutzerhandbuch

SDC / DHC 

Operation 

EN2H-0220GE51 R0308 

55 

Undoing deactivation 

Deactivation is undone when the averaged and current outside 
temperature exceeds the set value by 1 K. 

The summer deactivation function is undone: 

•  In case of an outside sensor defect 

•  In case frost protection is active 

 

During deactivation phases (standby mode, manual summer 
operation, summer deactivation) lasting longer than 24 hours all 
pumps are switched on for approx. 20 s and the mixers are 
temporarily opened during this time to protect against blocking by 
corrosion. 

In connection with a second outside sensor, the current averaged 
outside temperature is accepted for summer deactivation if the 
average value of both sensors is specified during outside sensor 
assignment. 

Active summer deactivation is represented by a beach umbrella 
symbol in the basic display. 

Only active in the AUTOMATIC operating mode. 

 

20 °C 

 

OFF, set value of system frost protection to 40 °C 

 

Pos: 51 /156-Honeywell/Bedienung/Parameter-Reset @ 1\mod_1207647099619_6.doc @ 9915 

 

With the reset parameter, it is possible to reset any inadvertently 
made changes in the parameter menu to the factory setting. 

 

 

►  When the PARAM. RESET display flashes, press the input 

button 

î

. 

SET flashes in the display.  

►  Press and hold the input button 

î

 for 5 s.