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Siemens Switzerland Ltd  User manual RVS61.843 CE1U2355en_02 
HVAC Products  5 Handling  23. November 2007 
5 Handling 
5.1  QAA75.. / QAA78… / AVS37.. 
5.1.1 Operation 
 
Operating elements  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Room units  
QAA75... / QAA78… 
Operator unit 
VS37.. 
Selection of space heating mode  
Selection of DHW heating mode  
Dis
la
in
 information 
djustment of room Comfort setpoint 
Navigation and settings 
Occupancy button 
Quitting the setting 
Confirmation of settin
 
Selection of DHW heating 
mode  
Selection of space 
heating mode  
Displaying 
information 
Quittin
 the settin
dopting the setting 
Service socket (BSB) 
Cooling button 
Cooling button 
HP reset and  
defrost button 
djusting room comfort setpoint 
Navi
ation and settin
s