ECD 15B / 40B / 90B / 150B - Installation and operating manual 
 
8     
Functions 
 
LED indicator / TEST button 
 
At power on there are few short green 
flashes. These tell us ECD type. 
1.  One flash: ECD 15B 
2.  Two flashes: ECD 40B 
3.  Three flashes: ECD 90B 
4.  Four flashes: ECD 150B 
Operating 
LED indicates a condensate sensor output.  
1.  Green FLASHES: Sensor detects no 
water 
2.  Green ON: Condensate is detected 
Short flashes of red light indicate a 
production mode. In this case, you should 
contact producer. 
 
By pressing TEST button valve opens.