Installation Manual for Fresh Air Intake Kit (for 4-Way Cassette Type) Model OACI-160K3

About this manual

This guide provides step-by-step instructions for installing the OACI-160K3 fresh air intake kit with 4-way cassette type indoor units. It covers mounting the intake box, connecting boxes, duct attachment, air panel installation, and electrical wiring. Safety warnings and precautions are included to prevent injury or equipment damage.

The kit must be used with compatible Johnson Controls air conditioners and requires proper ducting and outside air supply. Installation must be performed by qualified personnel, and power must be turned off before working on electrical connections.

What's inside

• Installation Restriction
• Transportation and Handling
• Mounting Indoor Unit
• Attaching Intake Box
• Attaching Connecting Box
• Connecting to Duct
• Attaching Insulation
• Mounting Air Panel
• Electrical Wiring Connection
• T-Tube Connection Kit Example

Frequently asked questions

What is the maximum fresh air intake volume allowed?

The maximum fresh air intake volume should be within 20% of the rated air flow volume of the indoor unit.

What is the maximum fresh air intake volume when using this kit with a dedicated outside air system?

The maximum fresh air intake volume should be within 20% of the rated air flow volume of the indoor unit.

What size flanges are required to connect the duct to the connecting boxes?

You must use 2-15/16 inch (675mm) flanges to connect the duct to the connecting boxes.

What tool is specified for tightening the long screws when mounting the air panel?

You must use a phillips screwdriver or a spanner (13/32 inch (10mm)) to tighten the long screws.