- Overview
- Features
- Specs
- Resources
Overview
The DXM2.5 Advanced Communicating Controls is a microprocessor-based heat pump controller designed for versatility and efficiency in geothermal applications. It features relay outputs for compressor control, fan speed, and various pumps, along with inputs for safety switches and temperature sensors. The controller supports direct communication with variable-speed pumps and modulating water valves, enhancing its operational flexibility. It also includes an RS-485 communications port for integration with thermostats and other controls, ensuring seamless connectivity. Advanced diagnostics and safety features further enhance the reliability and performance of the DXM2.5 system.
Features
Standard Features
- Robust, microprocessor-based heat-pump controller for maximum application flexibility.
- Relay outputs for Compressor, Compressor Speed, Reversing Valve, Alarm Relay, and two configurable relays.
- Direct communication and control of a Constant Volume (CV) EC blower, internal variable-speed water pump, and modulating water valves.
- Includes an RS-485 communications port for interfacing with communicating thermostats or other controls.
- Operating Environment: -40°F to 176°F (-40°C to 80°C) and up to 95% relative humidity, non-condensing.
- Power draw: Normally 8VA at 24VAC, Maximum 12VA at 24VAC.
- Safety features including anti-short cycle protection, high pressure cut-out, and loss of charge cut-out.
- Direct control of EC blower and intelligent hot water generator control.
- Configurable inputs and outputs for advanced functions, including night setback and emergency shutdown capability.
- Stores operating conditions history during last five faults and offers possible reasons for faults.
