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Commissioning: Air Handler tips

Updated · by Aurora Star Tech Inc.

Short, practical technician tips on commissioning for air handler. Check each one against the manual for your exact model before acting.

Set Furnace Model after replacing the control board

Rinnai · CAH050E, CAH050CE hydronic air handlers

After a control board replacement the System menu Furnace Model entry must be set to CAH050E.

  1. Open the Installer menu with the password: down, center, up, center.
  2. Go to System menu > Furnace Model.
  3. Set it to CAH050E.
Safety: Gas, electrical and refrigerant work must be done by a licensed technician. Turn off power and gas before servicing, never bypass a safety control, and always follow the manufacturer's manual for your exact model.

General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.

Air Handler Emergency

647-657-2977