Heat Controller manual DXM2 Layout and Connections, P11 P10

Page 5

Heat Controller, Inc.

DXM2 UNIT CONTROLS

Application, Operation, & Maintenance Manual

DXM2 Layout and Connections

Service tool Communicating connection stat connection

Conventional

stat connection

Cabinet

temperature

sensor

(with variable speed pump)

P1

 

Y1

 

Y2

 

W

 

O

 

G

 

R

 

C

 

AL1

 

P2

 

AL2

 

R

 

NSB

Alarm

C

Relay

 

ESD

 

OVR

 

H

 

C

R

JW1

B- A+ 24V

P5

Fault Status

P4

(240Vac) (240Vac)

 

N.O.

N.C.

 

N.O.

Com

Fan Enable

Fan Speed

 

 

 

 

 

 

 

 

Test

P12

 

Micro

1

U1

 

 

 

 

Test Button

 

to Speed up

P8

Time Delays

 

12V

 

IN

ECM Motor

OUT

Connection

Gnd

 

NC

Water Coil

 

 

Low Temp

 

Limit Setting.

HP

JWT-LT1 jumper

should be clipped

HP

for low temp

LP

(antifreeze)

LP

operation

LT1

 

LT1

Factory low

LT2

Communications

and HWG

Settings

Accessory relays refer to DXM2 AOM for configuration

A

 

P3

 

R

 

NO1

 

NC1

 

COM1

F

NO2

act

NC2

ory

COM2

Us

 

e

R

 

Acc1 Relay

Acc2 Relay

Off On

1 2 3 4

S3 Off On

1 2 3 4 5 6 7 8

S1

Off On

1 2 3 4 5 6 7 8

S2

A0-1 A0-2

JW3

 

12

 

RV

CCH

Relay

1

Relay

 

4

Comp

LT2

voltage molex

connection for

RV

unit harness

RV

 

CO

 

CO

 

P7

 

24Vdc

Electric heat

 

connection

EH1

 

EH2

 

P6

 

 

Configurefigure

 

modulating valve

 

Modulating Valve

 

or variable

COH COM

P11

 

 

 

 

P10

 

 

P9

AO2 Gnd

T1

T2

T2

T3

T3

T4

T4

 

T5

T5

T6

T6

 

 

 

 

 

 

 

 

 

 

 

 

 

CC

(Optional)

 

speed pump

24V to compressor second-stage solenoid for Y2/full

load capacity

Variable speed pump

Entering water temp

Leaving water temp

Leaving air temp

Entering Hot water Temperature

Compressor Discharge temperature

 

 

 

 

Use 4 mounting screws #6 sheet metal screw 1” long

5

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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 S3Lockout with Emergency Heat If the DXM2 is Safety FeaturesFault Codes 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 System Configuration Advanced Troubleshooting and Configuration InformationGeneral 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.