SUPPORT
 
 

Frequently asked questions

9pol sub-D -> RJ14
A and B in my RJ14 plug
Alarm 75/77
How to connect trafo with 2 x 24 VAC
How to setup Email function
Low airflow
OJ-Air2 LON
Start/Stop via LON

9pol sub-D -> RJ14
How do I connect my 9pol sub-D connector to the RJ14 in the OJAIR2?
Answer

9pol_RJ12


 

 
A and B in my RJ14 plug
Which pin is A and B in my RJ14 plug?
Answer

 


 

 
Alarm 75/77
Why do I get these warnings?
Answer

Checklist

  • Check Max. air volume (could be set to low)

  • Check fan speed. If fan speed is 100% - check max fan speed.

 

 
How to connect trafo with 2 x 24 VAC
I need to connect two 24VAC transformers with the OJ-AIR2 Master. What to do?
Answer

 

Click on the picture for large version

 


 

 

 
How to setup Email function
How do I setup the OJ-AIR2 to send me an Email in case of an Error?
Answer

 

Click on the picture for larger version


 

 
Low airflow
The OJAIR2 controller gives me an alarm "71" or "73".
Checklist
  • Check rotation direction of fan
  • Check max Hz
  • Check max motor current
  • Check v/f characteristics
  • Check filter pressure
  • Check damper position

 

 
OJ-Air2 LON
I need the .xif file for OJ Air2 LON marked (version) 0936H100. I dont know if the .xif file on the download area, version 0935A300, is the correct one.
Answer

This is the correct file.

 

 


 

 
Start/Stop via LON
How to start and stop AHU via LON?
Answer:

 

 

 


 

 
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