Mt3021 Manual Site

The MT3021 is a critical used primarily in commercial and industrial HVAC systems, specifically for Daikin-McQuay chillers . Acting as an I/O expansion module for the MicroTech III or Siemens Climatix control systems, it ensures precise refrigerant flow control to maximize energy efficiency and protect the compressor. Key Technical Specifications

Capable of programmable speeds and acceleration (up to 500 steps per second) to respond quickly to cooling demand changes.

Adjustable set point between 20–60 psi , with a maximum operating pressure of 600 psi . mt3021 manual

This is the OEM version specifically for Daikin-McQuay. It includes UPS backup (ultracapacitors) to ensure the EEV closes safely during a power failure, preventing refrigerant flood-back.

Are you currently troubleshooting a issue or seeking specific wiring diagrams for the MT3021 module? Daikin-McQuay 300046465 MT3021 VLV EXP CONTROLLER The MT3021 is a critical used primarily in

Links directly to the main MicroTech III controller, which can be configured for BACnet or Modbus networks for remote monitoring.

The module is designed for compatibility with standard refrigerants and rigorous industrial environments: Optimized for R-410A and R-407C . Adjustable set point between 20–60 psi , with

The MT3021 manual outlines several key functions for maintaining system stability:

For those needing specialized parts, authorized distributors like PTAC Solutions or Blackhawk Supply provide full technical documentation and compatibility lists.