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07-07-2009, 05:58 PM #1
Trane CGAH 235 Chiller communication port
Hi to everybody, I was wondering if you could help me locate this chiller's communications port? Here is a picture of SMM module and this RJ11 connector beside it. Thank you in advance!
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07-07-2009, 07:58 PM #2
Re: Trane CGAH 235 Chiller communication port
That's the modem port.
The yellow and white wire below the flatcable are on the comm port.
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07-07-2009, 08:44 PM #3
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08-07-2009, 04:00 PM #4
Re: Trane CGAH 235 Chiller communication port
This comm port uses a protocol that only we, Trane, can read. How ever should you want to we can install a BCU and than you can communicate with the BCU over BACnet/IP, which in turn communicates with the chiller(s).
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