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CU230p-2 HVAC with 24V input

12/12/2020 5:30 AM	Rate (0)
Shebi87 Bronze Member Joined: 10/22/2011 Last visit: 12/6/2025 Posts: 309 Rating: (1)	Dear All, can we turn ON CU230p-2 HVAC with only 24V dc , without connected to any power module?

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12/14/2020 8:12 AM	Rate (0)
Shebi87 Bronze Member Joined: 10/22/2011 Last visit: 12/6/2025 Posts: 309 Rating: (1)	please help

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12/14/2020 10:58 AM	Rate (0)
Tractor Gold Expert Joined: 3/27/2008 Last visit: 1/18/2026 Posts: 1236 Rating: (149)	Apply 24 V to terminals 31/32, the display is active, no comms is available using STARTER. Without PC connection I have not investigated further. Tractor
	Tractor
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12/14/2020 11:10 AM	Rate (0)
Tractor Gold Expert Joined: 3/27/2008 Last visit: 1/18/2026 Posts: 1236 Rating: (149)	With control unit fitted to a Power Module, I have comms to the Control Unit using STARTER. The drive can be run from a PC. Can I ask why you need to operate the Control Unit without a Power Module? Tractor
	Tractor
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