Heat Controller DMC09SB-0, DMC18SB-1, DMC12SB-0, DMH09SB-0, DMH24SB-1, DMC24SB-1 Table of Contents

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Air Conditioner Service Manual

 

TABLE OF CONTENTS

 

Safety Precautions

3

Dimensions

9

Symbols Used in this Manual

9

Indoor Unit

9

Outdoor Unit

11

Introduction

12

Installation

13

Selection of the Best Location

16

Piping Length and Elevation

17

How to Fix Installation Plate

18

Drill a Hole in the Wall

18

Drain hose junction

18

Flaring work and connection of piping

19

Flaring work

19

Connection of Piping Indoor

20

Connection of the Pipes-Outdoor

26

Connecting the cable between indoor unit and outdoor unit

26

Connect the Cable

26

Checking the drainage and forming the pipings

28

Checking the Drainage

28

Form the Piping

29

AIR PURGING

29

Air purging

30

Air purging with vacuum pump

30

Test Running

33

Operation

34

Function of Controls

34

Display Function

38

Self-diagnosis Function

38

Remote Control Operations

39

Disassembly

40

Indoor Unit

40

Troubleshooting Guide

43

Refrigeration Cycle Diagram

43

2-way, 3-way Valve

44

Cycle Parts

50

Electronic Parts

51

Schematic Diagram

61

Electric Control Device

61

Wiring Diagram

64

Components Location

66

Product Specifications

71

2Room Air Conditioner

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Contents Heat CONTROLLER, INC Table of Contents Be sure not to do Be sure to follow the instruction Safety PrecautionsInstallation Do not allow water to run into electric part OperationDo not handle the pipe by your- selfCostomer There is risk of electrical shock There is risk of fire or electrical shockThere is risk of electric shock There could result in personal injury and product dam- ageDo not direct airflow at room occu- pants Water is drained away properly ProductLeakage Do not block the inlet or outlet of air flowReplace all the batteries in the remote DisuseDo not drink the water drained from the unit Dimensions Indoor UnitModel Btu Series Mminch 109042.9 30011.8 1787.09k, 12k Outdoor Unit9k, 12k Unit18k, 24k Introduction Symbols Used In This ManualFeatures Installation Tools InstallationInstallation Parts Read carefully, and then follow step by stepInstallation Map Confirm The Refrigerant This Product Contains R-410A RefrigerantIndoor unit Rooftop InstallationsSelect The Best Location Outdoor unitPiping Length And Elevation How To Mount Installation Plate Drill a Hole In The WallBurrs removal Flaring WorkCut the pipes and the cable Putting nut onIndoor Connecting The PipingIndoor unit installation Wrap the insulation material around the connecting portion Tighten the flare nut with a wrenchTape the drain hose and the connecting cable Insert the connecting cable into the indoor unitIndoor unit installation Piping for passage through piping hole Correct case Incorrect caseConnection Of The Drain Hose Connection Of Piping -OutdoorConnection Of The Cable Outdoor unitInstallation Drain hose should point downward for easy drain flow Checking The DrainageDrain piping Avoid these situationsForming The Piping Seal small openings around pipings with a gum type sealerPreparation Air PurgingAir purging With Vacuum Pump Leak testConnect the charge hose end described EvacuationFinishing the job Clockwise to fully open the valveCharging ImportantUnit is critically chargedSettlement of outdoor unit Prepare remote controlTest Running Evaluation of the performanceOperation Cooling Mode OperationHealthy Dehumidification Mode Function of ControlsHeating Mode Operation Defrost ControlJet Cool Mode Operation C/O Model Sleep Timer OperationChaos Natural Wind Mode Jet Cool Mode Operation H/P ModelAuto restart Forced operationTest operation Protection of the evaporator pipe from frostingHeating Model Display FunctionSelf-diagnosis Function Cooling ModelRemote Control Operations Nd F ButtonDisassembly To remove the Grille from the ChassisTo remove the Discharge Grille When repair, do not damage the Caution labelTo remove the Control Box To remove the EvaporatorTo remove the Motor Cover To remove the Cross-Flow FanCooling Only Models Troubleshooting GuideRefrigeration Cycle Diagram Cooling & Heating ModelsWay, 3-way Valve Way Valve Liquid SideAir purging of the charge hose ProcedurePumping Down Balance Refrigerant of the 3-way Valve Gas leakageAll amount of refrigerant leaked After Evacuation Mount the valve stem nuts and the service port nutGas Charging Connect the charge hose to the charging cylinderAccording to Indoor & Outdoor Temperature Method of using graphMethod of using equation Additional gas chargingCycle Parts Trouble analysisElectronic Parts 9k model Product does not operate at allElectronic Parts 18k model Product is not operate with the remote controller Compressor/Outdoor Fan are unable to drive.9k Model Compressor/Outdoor Fan are unable to drive.18k Model When indoor Fan does not operate NectorWhen Vertical Louver does not operate When a comunication error occurs Phenomena in case of connecting error Indoor UnitOutdoor Unit Schematic Diagram Electric Control DeviceOutdoor 9k, 12k Outdoor 18k, 24k Wiring Diagram Models 9kC/O Models 12kH/P, 12kC/O, H/P Models 18kC/O Models 18kH/P, 24kC/O, H/P Components Location Outdoor9k, 12k Outdoor18k, 24k 6870A90240D 6870A90240E Product Specifications Cooling OnlyCooling & Heating DMH09SB-0 DMH12SB-0 DMH18SB-1 DMH24SB-1Heat CONTROLLER, INC

DMH12SB-0, DMH18SB-1, DMC24SB-1, DMH24SB-1, DMH09SB-0 specifications

The Heat Controller DMC24SB-1, DMH18SB-1, DMH09SB-0, DMH24SB-1, and DMC18SB-1 are a series of high-efficiency air conditioning systems designed to meet diverse climate control needs. Each model is equipped with advanced technologies to ensure optimal performance, energy efficiency, and user comfort.

One of the standout features across this range is the incorporation of inverter technology. This technology allows the units to adjust the compressor speed based on the desired temperature, significantly reducing energy consumption compared to traditional systems. As a result, users can enjoy lower utility bills while maintaining a consistent indoor climate.

The DMC24SB-1 is particularly notable for its robust cooling capacity, making it ideal for larger spaces. It boasts a sleek design that complements modern interiors while providing efficient air distribution through its multi-directional airflow system. The unit is also equipped with a programmable timer and remote control for added convenience.

The DMH series, including the DMH18SB-1, DMH09SB-0, and DMH24SB-1, offers versatility in terms of size and cooling capacity. The DMH09SB-0 is perfect for smaller rooms, while the DMH24SB-1 can effectively cool larger areas. Each model in the series features a quiet operation mode, ensuring minimal noise when cooling or heating.

The DMC18SB-1 stands out for its dual functionality, providing both heating and cooling options. This model is equipped with an advanced Eco-friendly refrigerant that not only reduces environmental impact but also enhances overall system efficiency. Additionally, it features self-cleaning technology that eliminates dust and allergens, improving indoor air quality.

All models are designed with user-friendliness in mind, featuring clear digital displays and easy-to-navigate controls. Moreover, these heat controllers adhere to the highest energy efficiency ratings, ensuring they meet stringent environmental guidelines.

In summary, the Heat Controller line featuring models DMC24SB-1, DMH18SB-1, DMH09SB-0, DMH24SB-1, and DMC18SB-1 exemplifies cutting-edge heating and cooling solutions. With their advanced technologies, energy-efficient performance, and user-centric designs, these units are well-suited for both residential and commercial applications, offering reliable comfort year-round.