The Serial/Model Number provided is a KCC-built Horizon™ Model OA/RRU/MUA unit, which is not supported by the Trane Commercial Support Center. Please contact 1-502-493-5757 to leave a message for a callback, or email at Techsupport1@kccmfg.com. Horizon Tech Support.
Horizon™ Outdoor Air Unit
For 100% Outdoor Air Applications
Models: OA, RRU, or MUA
Kentuckiana Curb Company - KCC
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Check out the Service Guides on our website.
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Horizon HUB Page: DOAS Technical Section