Drill the Piping Wall Hole for Quantum Ultra Floor-Ceiling Flex (UYT-24) SystemsUpdated 11 days ago
Introduction
This article explains how to drill the piping wall holes for Quantum Ultra Floor-Ceiling Flex (UYT-24) systems.
Steps
- Take the indoor unit off of the mounting bolts, then make a mark indicating where to create the hole.
- Drill a 2-1/2-3-1/8 inch wall hole at a slight downward angle using a core drill. Be careful to avoid wires, plumbing, and other sensitive materials. The bottom of the inside holes should be 1/4-3/8 of an inch above the bottom of the outside hole.

- Add any available wall sleeves and covers. In addition, insulate the wall hole with packing putty to prevent heat loss.
