MDHX – VRF Ducted Indoor Installation Manual (MDHX‑02‑C)


Overview

This solution provides installation information for Braemar MDHX VRF ducted indoor units.

Use this manual when installing, commissioning, or servicing MDHX ducted indoor systems.


When should I use this manual?

Use this manual when you need help with:

  • Installing an MDHX VRF ducted indoor unit
  • Electrical wiring and communications
  • Refrigerant pipework and condensate drainage
  • Duct connections and airflow setup
  • External static pressure (ESP) settings
  • Commissioning checks and fault codes

This document is intended for installers, technicians, and technical support teams.

Systems covered

This manual applies to MDHX VRF ducted indoor units, including:

  • Compact ducted units
  • Slim high‑static ducted units
  • High‑static ducted units

Always confirm the unit model and data label before installation.

What this manual includes

  • Installation requirements and clearances
  • Hanging and mounting instructions
  • Condensate drainage guidelines
  • Refrigerant piping standards
  • Electrical wiring diagrams
  • Controller setup and airflow settings
  • Error codes and troubleshooting
  • Commissioning and maintenance guidance

Important notes

  • Installation must be carried out by a licensed and qualified technician
  • Follow all local, state, and national regulations
  • Correct installation is required for safe operation and warranty compliance


This manual should be used as the primary reference when working with MDHX VRF ducted indoor units.