Heat Controller DXM2 manual ESD ERV Fault DXM Only

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Heat Controller, Inc.DXM2 UNIT CONTROLS Application, Operation, & Maintenance Manual

 

 

 

 

Functional Troubleshooting (cont.)

 

 

 

 

 

 

ESD - ERV Fault (DXM Only)

X

X

ERV unit has fault

Troubleshoot ERV unit fault

 

Green Status LED Code 3

(Rooftop units only)

 

 

 

 

 

 

 

 

 

 

 

No Fault Code Shown

X

X

No compressor operation

See 'Only Fan Operates'

 

X

X

Compressor overload

Check and replace if necessary

 

 

 

 

 

 

 

 

X

X

Control board

Reset power and check operation

 

 

X

X

Dirty air filter

Check and clean air filte r

 

 

X

X

Unit in 'Test Mode'

Reset power or wait 20 minutes for auto exit

 

Unit Short Cycles

X

X

Unit selection

Unit may be oversized for space - check sizing for actual

 

 

load of space

 

 

 

 

 

 

 

 

 

 

 

 

 

X

X

Compressor overload

Check and replace if necessary

 

 

X

X

Thermostat position

Insure thermostat set for heating or cooling operation

 

 

X

X

Unit locked out

Check for lockout codes - reset power

 

Only Fan Runs

 

 

 

 

 

X

X

Compressor overload

Check compressor overload - replace if necessary

 

 

X

X

Thermostat wiring

Check thermostat wiring at DXM2 - put in Test Mode and

 

 

jumper Y1 and R to give call for compressor

 

 

 

 

 

 

 

 

 

 

 

 

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Contents DXM2 Digital Heat Pump Controller Table of Contents DXM2 Overview DXM2 Electronic Heat Pump ControlsTest P12 DXM2 Physical Dimensions & LayoutP11 P10 DXM2 Layout and ConnectionsDXM2 Controls DIP SwitchesField Selectable Inputs DIP Package #1 S1DIP Package #2 S2 DIP Package #3 S3Fault Codes Safety FeaturesLockout with Emergency Heat If the DXM2 is Unit Operation Description LED and Alarm Relay Output Table DXM2 Controls Special DXM2 Application Notes / Accessory Relays Thermostat Inputs With Resulting Demands System Inputs with the resulting demand Other OutputsDXM2 Sensors CommunicationsPressure Switches DXM2 Service & Application NotesThermostat Compatibility DXM2 Thermostat DetailsBasic Troubleshooting Information General Advanced Troubleshooting and Configuration InformationSystem Configuration Service Mode Start Troubleshooting Chart024 DXM2 Wiring Diagram Standard Installation 96B0005N56 Fault Htg Clg Possible Cause Solution Functional TroubleshootingESD ERV Fault DXM Only Symptom Htg Clg Possible Cause Solution Performance TroubleshootingDXM2 Unit Controls 2012

DXM2 specifications

The Heat Controller DXM2 is an advanced heating and cooling solution, meticulously designed for residential and commercial applications. This sophisticated unit integrates modern technologies to deliver superior climate control, ensuring comfort while maintaining energy efficiency. Among its standout features are its intuitive operation, flexibility in installation, and superior performance metrics.

One of the key attributes of the DXM2 is its advanced inverter technology, which allows for variable speed operation. This feature enables the system to adjust its output based on real-time cooling or heating demands, resulting in reduced energy consumption and lower utility bills. The inverter technology not only promotes efficiency but also enhances the system's operational longevity, as it reduces the wear and tear typically associated with traditional HVAC systems that operate at fixed speeds.

The unit boasts a user-friendly interface that allows for seamless control. With its advanced remote control and optional smartphone app connectivity, users can effortlessly adjust settings from anywhere, making it a perfect fit for today’s tech-savvy homeowners. This flexibility ensures that comfort can be customized according to personal preferences and schedules.

Additionally, the DXM2 is equipped with a multi-stage filtration system that actively removes dust, allergens, and other airborne particles, contributing to improved indoor air quality. This feature is particularly beneficial for individuals with allergies or respiratory issues, as it ensures cleaner air circulating throughout the living space.

The system’s whisper-quiet operation sets it apart from many competitors in the market. With noise levels comparable to a soft breeze, the DXM2 provides comfort without disruptive sounds, making it ideal for bedrooms, offices, and quiet spaces.

Moreover, the DXM2 offers enhanced durability and reliability due to its robust construction and high-quality components. The unit is designed to withstand harsh weather conditions and varying environments, ensuring consistent performance year-round.

Another noteworthy characteristic is its eco-friendly refrigerant, which aligns with contemporary environmental standards. This selection contributes to lower greenhouse gas emissions while maintaining efficiency and effectiveness in both heating and cooling modes.

In conclusion, the Heat Controller DXM2 is a prominent choice for anyone seeking a reliable and efficient climate control system. Its combination of advanced technology, customizable features, superior air quality management, and low noise levels positions it as a leader in the heating and cooling industry. Ultimately, the DXM2 is engineered to meet the demands of modern living, creating comfortable environments with unparalleled convenience and efficiency.
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