Heat Controller VMC18SB-1/VMH18SB-1, VMC09SB-1/VMH09SB-1 Inverter Compressor 18,24,30kBtu/h Model

Page 26

Part 2 Functions & Controls

5.11.2 Inverter Compressor (18,24,30kBtu/h Model)

1)There can be two situations

(a)Temperature sensor is failed (Error Code 41)

(b)Abnormal high temperature discharge temperature (error code for high discharge will be generated) Both cases unit will stop.

2)Compressor working

(a)If discharge pipe temperature < T1 No limitation on compressor frequency

(b)T2 ≤ discharge pipe temperature < T off, (Hysteresis control) Compressor frequency down by 5Hz and expansion valve up by 10 pulse in every 1 min.

(c)Discharge pipe temperature ≥ Toff, Compressor will be off

System will stop if this situation occurs 5 times in 1 hour and error code will be generated.

 

 

Discharge pipe temp.

 

 

 

Toff(105)°C(221°F)

 

 

 

 

 

 

T2(95)°C(203)°F

 

 

 

 

 

 

T1(90)°C(194)°F

 

 

 

 

 

 

COMP

Set

5 Hz

Set

5 Hz

OFF

 

Hz

Down

Down

 

 

 

 

 

 

Expansion

Set

10

Set

10

Stop control

Set

valve

Pulse Up

Pulse Up

 

 

 

 

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Only for training and service purposes

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Contents Heat CONTROLLER, INC Contents Part 1 General Information Safety Precautions Be sure not to do Be sure to follow the instructionPart 1 General Information Inspections after Repair Part 2 Functions & Controls List of Functions & Controls Category Function Description RemarkHeating Mode Heatpump Only Basic Mode ControlsCooling Mode Auto changeover operation Heatpump Only Intake air Temp Setting TempHealthy Dehumidification operation Jet Cool operation Special Mode ControlsEnergy saving operation in cooling mode Jet Heat operation Heatpump OnlyForced operation Auto cleaning operationUtility Functions Heat/pump Model Cooling/only ModelSleep timer operation for cooling cycle Air volume controlSleep mode Auto control Natural Air ControlAuto WindSleep timer operation for heating cycle Heatpump Only Auto restartTwo Minutes Stand-by comp Protection Functions & ControlsFive Seconds Stand-by fan Hot start Heatpump OnlySump Heater Control 9, 12kBtu/h Model Only Heatpump Only Outdoor Temperature Running Time secCompressor Preheating Heatpump Only 1 9,12kBtu/h ModelAutomatic defrost Heatpump Only Starting the defrosting operation 2 18,24,30kBtu/h ModelDefrosting Control Algorithm Control algorithm of defrost completionPower Relay Control InverterOverheating Protection Power Module Function Heat sink sensor failure errorHeat sink temperature control CT2 control Total Current Control Over Current ProtectionCT1 control Model KBtu/h Cooling Heating11A 12A 14A 15.5A DC Peak control Discharge Pipe Temp ControlInverter Compressor 18,24,30kBtu/h Model Compressor working Constant Compressor only 30kBtu/h ModelThere can be two situations 12.2 18, 24, 30kBtu/h Model Low Ambient control12.1 9,12kBtu/h Model Model Mode-in Condition Mode-out ConditionOperating Contion Oil return control30kBtu/h Model Heatpump OnlyOil equalizing control30kBtu/h Model Operation ProcessCheck before Test Run Test Run Flow chart Test Run Detail Part 3 Test RunCheck before Test Run Test Run Flow chart StartSettlement of outdoor unit Pump Down ProcedureTest Run Detail Evaluation of the performancePart 4 Trouble Shooting Way, 3-Way Valve Way Valve Liquid SideAir purging of the charge hose ProcedurePumping Down Set the 2-way valve to the closed positionEvacuation Connect the charge hose to the charging cylinder Mount the valve stem nuts and the service port nutGas Charging After Evacuation Purge the air from the charge hoseCycle Troubleshooting Guide Trouble analysisElectronic Parts Troubleshooting Guide Procedure Specification RemedyTrouble Compressor/Outdoor Fan does not operate 9, 12kBtu/h Model Trouble When indoor Fan does not operate.9~30kBtu/h Model 12kBtu/h Model Error IndicatorSelf-diagnosis Function Error code Descrition 18,24,30kBtu/h Model Indoor ErrorOutdoor Error Red Green StatusError CodeTroubleshooting Guide9,12kBtu/h Model Description Cause of error Heat-sink Temp. is over Description Cause of error DC Peak Error Description Cause of error Over current Error Description Cause of error Indoor fan is locked Description Cause of error Discharge pipe temp. is Troubleshooting CH01, CH02, CH06 Check PointPart Trouble Shooting Troubleshooting CH05, CH53Copper Comp pipe Troubleshooting CH21Comp Troubleshooting CH21, CH22 Troubleshooting CH23, CH28 Troubleshooting CH24, CH25 Troubleshooting CH26, CH27 ‘B’Troubleshooting CH32, CH33, CH40 Troubleshooting CH41, CH44, CH45, CH46, CH47, CH65 Condenser/Suction Pipe Troubleshooting CH51, CH60Inverter/Constant Troubleshooting CH61, CH62 Heat CONTROLLER, INC

VMC12SB-1/VMH12SB-1, VMC18SB-1/VMH18SB-1, VMC24SB-1/VMH24SB-1, VMC09SB-1/VMH09SB-1, VMC30SB-1/VMH30SB-1 specifications

The Heat Controller VMC30SB-1/VMH30SB-1, VMC09SB-1/VMH09SB-1, VMC24SB-1/VMH24SB-1, VMC18SB-1/VMH18SB-1, and VMC12SB-1/VMH12SB-1 are versatile and efficient HVAC systems designed for residential and commercial applications. These units stand out due to their innovative technologies, user-friendly features, and reliable performance, making them an excellent choice for heating and cooling needs.

One of the most significant features of these units is their Energy Efficiency Rating (EER). Each model has been engineered to provide optimal energy savings, thus minimizing operating costs and environmental impact. Utilizing advanced inverter technology, the systems adjust their cooling and heating output according to the room's demand, ensuring that energy is used only when necessary. This results in quieter operation, less energy consumption, and enhanced comfort.

The VMC and VMH models are equipped with high-performance compressors that provide rapid heating and cooling capabilities. This feature allows users to attain their desired temperatures more quickly compared to traditional systems, ensuring a comfortable environment throughout the year. In addition, the systems maintain consistent temperatures and reduce temperature fluctuations, contributing to a more enjoyable living or working space.

Another key characteristic of the Heat Controller units is their comprehensive filtration systems. These include multi-stage filters designed to trap dust, allergens, and other particulate matter, contributing to improved indoor air quality. This aspect is particularly important for those who suffer from allergies or respiratory issues, as the units help to create a cleaner, healthier living environment.

The compact design of these models allows for easy installation in various spaces, including small apartments or tight commercial setups. They feature an intuitive control panel that offers user-friendly programming options, enabling users to schedule operations according to their daily routines. Additionally, many models include smart connectivity features, allowing remote access and adjustments via mobile apps.

Finally, the aesthetic design of the VMC and VMH series complements modern interior decors, ensuring that these units not only perform well but look good while doing so. With a combination of reliability, energy efficiency, and user-centric features, the Heat Controller VMC and VMH series stand out as an excellent investment for any heating and cooling requirement. These units promise comfort, convenience, and cost-effective operation.
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