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Building Technologies Division  User Manual RWF55...  CC1U7867en 
Infrastructure & Cities Sector  6 Operation  05.11.2013 
6 Operation 
 
 
6.1  Meaning of display and buttons  
 
RWF55.X
ctual value display (red)
and parameter value
USB-LED
Setpoint display (green)
and parameter symbol
Enter button
Increase value
ESC button
Decrease value
7867z03e/1012
 Operating mode 2-stage
Controlling element OPEN/stage 2
Controlling element CLOSED/stage 1
 Burner release
Thermal shock protection
Alarm function
Communication
via interface
 
Figure 20: Meaning of display and buttons 
 
The two 7-segment displays (red and green) show hyphens and all LEDs light up for 
about 5 seconds. 
 
The upper display (red) shows the actual value. 
The lower display (green) shows the setpoint. 
 
 
Reference! 
See chapter 8.9 Display diSP. 
 
When entering parameters, the parameter symbol (green) and the set value (red) 
appear. 
 
The actual value is shown on the actual value display (red) and tUnE flashes on the 
setpoint display (green). 
 
 
Reference! 
See chapter 9.1 Self-setting function in the high-fire operation. 
 
Initialization 
Basic display
 
 
Parameter display
 
 
Self-setting function