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Frequently asked questions

Headline: 9pol sub-D -> RJ12
Question: How do I connect my 9pol sub-D connector to the RJ12 in the OJAIR2?
Connection diagram

9pol_RJ12


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

Please see PDF below.

How to connect power supply to OJ-AIR2 Master


Headline: Low airflow
Question: 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

Headline: OJ-Air2 LON
Question: 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.


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