Heat Controller DMH12SB-0 Evacuation, Finishing the job, Connect the charge hose end described

Page 31

Installation

 

Soap water method

 

 

 

 

the gas side and liquid side

 

Suction Line

(1) Remove the caps from

 

 

valves.

 

 

(2)Remove the service-port cap from the gas side valve.

(3)

To open the gas side valve turn the valve stem

 

 

counterclockwise approximately 90°, wait for about

Evaporator Line

 

2~3 seconds, and close it.

3-way valve

(4)

Apply a soap water or a liquid neutral detergent on

(Close)

 

the indoor unit connection or outdoor unit connec-

 

 

tions by a soft brush to check for leakage of the con-

3-way valve

 

necting points of the piping.

(Open)

(5) If bubbles come out, the pipes have leakage.

Evacuation

Cap

 

• Connect the charge hose end described in the

 

Hexagonal wrench

 

 

 

 

 

preceding steps to the vacuum pump to evacuate

 

 

 

 

the tubing and indoor unit.

 

 

 

 

Confirm the "Lo" knob of the manifold valve is

 

 

 

 

open. Then, run the vacuum pump.

 

 

Indoor unit

 

The operation time for evacuation varies with tub-

 

 

 

 

ing length and capacity of the pump. The follow-

 

 

 

 

ing table shows the time required for evacuation.

 

 

 

 

Required time for evacuation when 4 CMF vacu-

 

 

 

 

um pump is used

 

 

 

 

If tubing length is less

if tubing length is longer

 

 

 

 

than 10m (33 ft)

than 10m (33 ft)

 

 

 

 

10 min. or more

15 min. or more

 

 

Outdoor unit

 

• When the desired vacuum is reached, close the

 

 

 

 

"Lo" knob of the manifold valve and stop the vac-

 

 

 

 

uum pump.

 

 

 

 

 

Finishing the job

 

 

 

 

• With a service valve wrench, turn the valve stem

 

 

 

 

of liquid side valve counter-clockwise to fully

Manifold valve

 

open the valve.

 

 

 

 

 

• Turn the valve stem of gas side valve counter-

Pressure

Lo

Hi

 

clockwise to fully open the valve.

gauge

 

 

 

 

 

 

 

• Loosen the charge hose connected to the gas

 

 

 

 

side service port slightly to release the pressure,

Open

 

Close

 

then remove the hose.

 

 

 

 

• Replace the flare nut and its bonnet on the gas

 

 

 

 

side service port and fasten the flare nut securely

 

 

 

 

with an adjustable wrench. This process is very

 

 

 

 

important to prevent leakage from the system.

 

 

 

 

• Replace the valve caps at both gas and liquid

Vacuum pump

 

side service valves and fasten them tight.

 

 

 

 

 

This completes air purging with a vacuum pump.

 

 

 

 

The air conditioner is now ready to test run.

 

 

 

 

 

 

 

 

Service Manual

31

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Page 30 Page 32
Contents Heat CONTROLLER, INC Table of Contents Installation Safety PrecautionsBe sure not to do Be sure to follow the instruction Do not handle the pipe by your- selfCostomer OperationDo not allow water to run into electric part There could result in personal injury and product dam- age There is risk of fire or electrical shockThere is risk of electric shock There is risk of electrical shockDo not block the inlet or outlet of air flow Water is drained away properly ProductLeakage Do not direct airflow at room occu- pantsDo not drink the water drained from the unit DisuseReplace all the batteries in the remote Indoor Unit DimensionsMminch 109042.9 30011.8 1787.0 Model Btu SeriesUnit Outdoor Unit9k, 12k 9k, 12k18k, 24k Features Symbols Used In This ManualIntroduction Read carefully, and then follow step by step InstallationInstallation Parts Installation ToolsInstallation Map This Product Contains R-410A Refrigerant Confirm The RefrigerantOutdoor unit Rooftop InstallationsSelect The Best Location Indoor unitPiping Length And Elevation Drill a Hole In The Wall How To Mount Installation PlatePutting nut on Flaring WorkCut the pipes and the cable Burrs removalIndoor unit installation Connecting The PipingIndoor Tighten the flare nut with a wrench Wrap the insulation material around the connecting portionIndoor unit installation Insert the connecting cable into the indoor unitTape the drain hose and the connecting cable Piping for passage through piping hole Incorrect case Correct caseConnection Of Piping -Outdoor Connection Of The Drain HoseOutdoor unit Connection Of The CableInstallation Avoid these situations Checking The DrainageDrain piping Drain hose should point downward for easy drain flowSeal small openings around pipings with a gum type sealer Forming The PipingLeak test Air PurgingAir purging With Vacuum Pump PreparationClockwise to fully open the valve EvacuationFinishing the job Connect the charge hose end describedImportantUnit is critically charged ChargingEvaluation of the performance Prepare remote controlTest Running Settlement of outdoor unitFunction of Controls Cooling Mode OperationHealthy Dehumidification Mode OperationDefrost Control Heating Mode OperationJet Cool Mode Operation H/P Model Sleep Timer OperationChaos Natural Wind Mode Jet Cool Mode Operation C/O ModelProtection of the evaporator pipe from frosting Forced operationTest operation Auto restartCooling Model Display FunctionSelf-diagnosis Function Heating ModelNd F Button Remote Control OperationsTo remove the Grille from the Chassis DisassemblyTo remove the Evaporator When repair, do not damage the Caution labelTo remove the Control Box To remove the Discharge GrilleTo remove the Cross-Flow Fan To remove the Motor CoverCooling & Heating Models Troubleshooting GuideRefrigeration Cycle Diagram Cooling Only ModelsWay Valve Liquid Side Way, 3-way ValvePumping Down ProcedureAir purging of the charge hose Gas leakage Balance Refrigerant of the 3-way ValveAll amount of refrigerant leaked Connect the charge hose to the charging cylinder Mount the valve stem nuts and the service port nutGas Charging After EvacuationAdditional gas charging Method of using graphMethod of using equation According to Indoor & Outdoor TemperatureTrouble analysis Cycle PartsProduct does not operate at all Electronic Parts 9k modelElectronic 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 Nector When indoor Fan does not operateWhen Vertical Louver does not operate When a comunication error occurs Indoor Unit Phenomena in case of connecting errorOutdoor Unit Electric Control Device Schematic DiagramOutdoor 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 Cooling Only Product SpecificationsDMH09SB-0 DMH12SB-0 DMH18SB-1 DMH24SB-1 Cooling & HeatingHeat 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.
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