Manual for Thru-the-Wall Condensing Units

Manual for Thru-the-Wall Condensing Units

Brand: National Comfort Products

Category: Air Conditioning

Manual Type:

Language:

Uploaded: April 7, 2025, 8:13 p.m.

Manual Publish Date: 2014-12-30

Warranty Summary

National Comfort Products provides a 1-year warranty on parts and a 5-year warranty on the compressor, along with a 90-day labor warranty.

This manual is intended for architects and engineers for the installation of National Comfort Products Thru-the-Wall Condensing Units.

Key operational and installation points include:

  • Ensure proper clearance around the unit, maintaining a minimum of 30" for service access and 48" vertical clearance when units are stacked.
  • Install wall sleeves with non-hardening caulk, ensuring a 3/4" extension past the exterior wall for weather sealing.
  • Seal the unit to prevent water and air ingress, being careful not to block weep holes for drainage.
  • Follow electrical guidelines for high and low voltage connections.
  • Adhere to refrigeration best practices for line sets, brazing, and evacuation.
  • Regular maintenance and coil cleaning are recommended for optimal performance.

Troubleshooting and error codes

None

Troubleshooting and error codes

None