Heat Controller DMH24DB-1, DMC24DB-1 manual Troubleshooting Guide

Page 61

Troubleshooting Guide

Trouble 5 When the louver does not operate.

When Vertical Louver does not operate.

•Confirm that the Vertical Louver is normally geared with the shaft of Stepping Motor.

•If the regular torque is detected when rotating the Vertical Louver with hands Normal

•Check the connecting condition of CN-UP/DOWN Connector

•Check the soldering condition(on PWB) of CN-UP/DOWN Connector

Check the operating circuit of the Vertical Louver

•Confirm that there is DC +12V between pin(RED) of CN-UP/DOWN and GND.

•Confirm that there is a soldering short at following terminals. - Between 60 , 61 , 62 and 63 of MICOM

- Between 2

, 3

, 4

and 5 of IC01M

- Between 12 , 13

, 14 , 15 of IC01M

- Between 1

, 2

, 3

, 4 and 5 of CN-UP/DOWN

If there are no problems after above checks

•Confirm the assembly conditions that are catching and interfering parts in the rotation radial of the Vertical Louver

Service Manual 61

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Page 60 Page 62
Contents Heat CONTROLLER, INC Table of Contents Combination table Symbols Used in this ManualInstallation Safety PrecautionsBe sure not to do Be sure to follow the instruction Control box securely Cuit and breakerDo not install the product on a Do not install, remove, or reDefective installation stand Do not allow water to run into electric partsNot enter the product When the product is soakedFlooded or submerged, contact Installing the product Install the drain hose to ensure that Keep level even whenUse two or more people to lift and transport the product Operational Be careful and avoid personal injury Indoor Unit DimensionsSplit Type Indoor 24kBtu/h Outdoor UnitDMC24DB-1 Product SpecificationsOperation UnitDMH24DB-1 Installation Parts InstallationInstallation Tools Select the best location Rooftop InstallationsIndoor unit Outdoor unitMulti Piping Type Piping length and elevation24k Fixing Installation PlateStandard Type Flaring work Flaring Work and Connection of PipingCheck Connecting the PipingIndoor Wrap the insulation material around the connecting por- tion For left rear piping Plastic bands Insulation material Connection Indoor Remote Control Preparationoptional Outdoor unit OutdoorConnect the cable to the Indoor unit Connecting the Cable between Indoor Unit and Outdoor UnitOutdoor unit Connect the cable to the Outdoor unitHow to connect wiring to the terminals Connection method of the connecting cableExampleConnect the cable to the indoor unit To check the drainage Checking the drainageDrain piping Down to up Forming the pipingChecking method Air Purging and EvacuationEvacuation Repeat evacuation procedure for each indoor unitFinishing the job Additional ChargingSplit Type Test RunningSoft Dry Operation Mode Cooling Mode OperationHeating Mode Operation OperationFuzzy Operation Defrost ControlHeatingFuzzy Operation for Cooling Off-Timer Operation On-Timer OperationAirflow Speed Selection Fuzzy Operation for DehumidificationSleep Timer Operation Off-Timer = On-Timer OperationChaos Swing Mode Chaos Natural Wind ModeBuzzer Sounding Operation Forced OperationSplit Type Indoor Unit Function of Indoor UnitFunction of Outdoor Unit Cooling Model , Heat Pump Model Remote Control Operation15 2nd F Button To remove the Grille from the Chassis DisassemblyTo remove the Control Box To remove the Motor Cover Electronic Control Device Schematic DiagramIndoor Unit TMP87CM41F Outdoor UnitRY-4WAY RY-LIQ RY-GAS RY-FANL RY-FANH Room Type Indoor Unit Wiring DiagramBottom View Components LocationsDisplay Assembly Split Type 6871A20680 Component side Solder side Refrigeration Cycle Diagram Troubleshooting GuideDMH24DB-1 DMC24DB-1Outdoor Error Indoor ErrorError Indicator Self-diagnosis FunctionTrouble analysis Cycle Troubleshooting GuideProcedure Specification Remedy Electronic Parts Troubleshooting GuideProduct doesnt operate with the remote controller Check Point Comp. on Comp. OFF Compressor/Outdoor Fan are dont operateNector Trouble 4 When indoor Fan does not operateTroubleshooting Guide Check Point Error CodeIndoor air sensor Indoor inlet pipe sensorCommunication line is shorted at GND Power input AC 230V.Outdoor, IndoorError Title Cause of error Check point & Normal condition Outdoor air sensor Title Cause of error Check point & Normal conditionCondensor pipe sensor Pipe sensorWay Valve Liguid Side Way, 3-way ValvePumping down ProcedureAir purging of the charge hose Set the liquid side valve to the closed positionEvacuation Mount the valve caps and the service port capsAll amount of refrigerant leaked Gas Charging Mount the valve stem nuts and the service port nutAfter Evacuation Connect the gauge to the charging cylinderHeat CONTROLLER, INC
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DMC24DB-1, DMH24DB-1 specifications

The Heat Controller DMH24DB-1 and DMC24DB-1 units stand out in the realm of climate control solutions, combining advanced technology with user-friendly features to enhance indoor comfort. These air conditioning systems are designed to provide efficient cooling and heating for both residential and commercial spaces.

One of the main features of the DMH24DB-1 and DMC24DB-1 is their inverter technology. This cutting-edge technology allows the units to adjust the compressor speed according to the cooling demands of the space, leading to significant energy savings. By operating at variable speeds instead of a fixed setting, the inverter provides a more consistent temperature, reduces wear and tear on components, and minimizes energy consumption, which can translate to lower electricity bills.

Both models offer a sleek and modern design, making them not only functional but also aesthetically pleasing. The indoor units are designed for easy placement in various environments and can blend seamlessly with any decor. In addition, they are relatively quiet during operation, with low noise levels that enhance indoor comfort without disturbing daily activities.

Another notable feature is the integrated smart control system that allows users to operate the units via a smartphone or tablet. This capability offers the convenience of adjusting settings from anywhere, ensuring that your space is always at the desired temperature when you arrive home or the office. The app can provide insights into energy consumption, allowing users to make informed decisions about their heating and cooling usage.

The DMH24DB-1 and DMC24DB-1 models also boast efficient filtration systems that help improve indoor air quality. The filters are designed to capture dust, pollen, and other allergens, contributing to a healthier living or working environment. This is particularly important for individuals with allergies or respiratory issues.

With a variety of cooling and heating modes, these units can cater to different user preferences and seasonal demands. Features like turbo mode are designed to quickly bring a space to the desired temperature, while the eco-friendly refrigerant helps reduce environmental impact.

In summary, the Heat Controller DMH24DB-1 and DMC24DB-1 units are high-performance air conditioning systems equipped with advanced technologies and practical features, making them an excellent choice for anyone seeking efficient and reliable climate control solutions. Their energy efficiency, enhanced air quality, and smart technology integration position them as leaders in the market.
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