Configure Ducted Ceiling Concealed Indoor Units for Rear Air Return OperationUpdated 11 days ago

Introduction

This article explains how to configure ducted ceiling concealed indoor units for downward air return operation. 

The indoor unit comes pre-configured for rear air return, but can be modified for downward air return operation if needed. 

This article is for the following system: 

Quantum Ultra Ducted Ceiling Concealed (RYT-24)

Steps

1. Rear Air Return (Factory Default)

By default, the air return is configured to draw air from the rear of the unit. 

2. Disassemble the Filter and Bottom Panel

Loosen the screws to remove the mesh filter and filter frame from the rear panel. Then, remove the bottom panel cover by loosening the mounting nuts. 

3. Reinstall the Filter for Downward Air Return

Mount the mesh filter and frame onto the downward (bottom) air return opening. Attach the cover to the rear return opening to seal it.

4. Downward Air Return Configuration Complete

The unit is now configured for downward air return operation.